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1 | /* |
2 | * The simplest mpeg encoder (well, it was the simplest!) | |
3 | * Copyright (c) 2000,2001 Fabrice Bellard | |
4 | * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> | |
5 | * | |
6 | * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at> | |
7 | * | |
8 | * This file is part of FFmpeg. | |
9 | * | |
10 | * FFmpeg is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU Lesser General Public | |
12 | * License as published by the Free Software Foundation; either | |
13 | * version 2.1 of the License, or (at your option) any later version. | |
14 | * | |
15 | * FFmpeg is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * Lesser General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU Lesser General Public | |
21 | * License along with FFmpeg; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
23 | */ | |
24 | ||
25 | /** | |
26 | * @file | |
27 | * The simplest mpeg encoder (well, it was the simplest!). | |
28 | */ | |
29 | ||
30 | #include <stdint.h> | |
31 | ||
32 | #include "libavutil/internal.h" | |
33 | #include "libavutil/intmath.h" | |
34 | #include "libavutil/mathematics.h" | |
35 | #include "libavutil/pixdesc.h" | |
36 | #include "libavutil/opt.h" | |
37 | #include "libavutil/timer.h" | |
38 | #include "avcodec.h" | |
39 | #include "dct.h" | |
40 | #include "idctdsp.h" | |
41 | #include "mpeg12.h" | |
42 | #include "mpegvideo.h" | |
43 | #include "h261.h" | |
44 | #include "h263.h" | |
45 | #include "mjpegenc_common.h" | |
46 | #include "mathops.h" | |
47 | #include "mpegutils.h" | |
48 | #include "mjpegenc.h" | |
49 | #include "msmpeg4.h" | |
50 | #include "pixblockdsp.h" | |
51 | #include "qpeldsp.h" | |
52 | #include "faandct.h" | |
53 | #include "thread.h" | |
54 | #include "aandcttab.h" | |
55 | #include "flv.h" | |
56 | #include "mpeg4video.h" | |
57 | #include "internal.h" | |
58 | #include "bytestream.h" | |
59 | #include <limits.h> | |
60 | #include "sp5x.h" | |
61 | ||
62 | #define QUANT_BIAS_SHIFT 8 | |
63 | ||
64 | #define QMAT_SHIFT_MMX 16 | |
65 | #define QMAT_SHIFT 21 | |
66 | ||
67 | static int encode_picture(MpegEncContext *s, int picture_number); | |
68 | static int dct_quantize_refine(MpegEncContext *s, int16_t *block, int16_t *weight, int16_t *orig, int n, int qscale); | |
69 | static int sse_mb(MpegEncContext *s); | |
70 | static void denoise_dct_c(MpegEncContext *s, int16_t *block); | |
71 | static int dct_quantize_trellis_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow); | |
72 | ||
73 | static uint8_t default_mv_penalty[MAX_FCODE + 1][MAX_MV * 2 + 1]; | |
74 | static uint8_t default_fcode_tab[MAX_MV * 2 + 1]; | |
75 | ||
76 | const AVOption ff_mpv_generic_options[] = { | |
77 | FF_MPV_COMMON_OPTS | |
78 | { NULL }, | |
79 | }; | |
80 | ||
81 | void ff_convert_matrix(MpegEncContext *s, int (*qmat)[64], | |
82 | uint16_t (*qmat16)[2][64], | |
83 | const uint16_t *quant_matrix, | |
84 | int bias, int qmin, int qmax, int intra) | |
85 | { | |
86 | FDCTDSPContext *fdsp = &s->fdsp; | |
87 | int qscale; | |
88 | int shift = 0; | |
89 | ||
90 | for (qscale = qmin; qscale <= qmax; qscale++) { | |
91 | int i; | |
92 | if (fdsp->fdct == ff_jpeg_fdct_islow_8 || | |
93 | #if CONFIG_FAANDCT | |
94 | fdsp->fdct == ff_faandct || | |
95 | #endif /* CONFIG_FAANDCT */ | |
96 | fdsp->fdct == ff_jpeg_fdct_islow_10) { | |
97 | for (i = 0; i < 64; i++) { | |
98 | const int j = s->idsp.idct_permutation[i]; | |
99 | /* 16 <= qscale * quant_matrix[i] <= 7905 | |
100 | * Assume x = ff_aanscales[i] * qscale * quant_matrix[i] | |
101 | * 19952 <= x <= 249205026 | |
102 | * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026 | |
103 | * 3444240 >= (1 << 36) / (x) >= 275 */ | |
104 | ||
105 | qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / | |
106 | (qscale * quant_matrix[j])); | |
107 | } | |
108 | } else if (fdsp->fdct == ff_fdct_ifast) { | |
109 | for (i = 0; i < 64; i++) { | |
110 | const int j = s->idsp.idct_permutation[i]; | |
111 | /* 16 <= qscale * quant_matrix[i] <= 7905 | |
112 | * Assume x = ff_aanscales[i] * qscale * quant_matrix[i] | |
113 | * 19952 <= x <= 249205026 | |
114 | * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026 | |
115 | * 3444240 >= (1 << 36) / (x) >= 275 */ | |
116 | ||
117 | qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) / | |
118 | (ff_aanscales[i] * (int64_t)qscale * quant_matrix[j])); | |
119 | } | |
120 | } else { | |
121 | for (i = 0; i < 64; i++) { | |
122 | const int j = s->idsp.idct_permutation[i]; | |
123 | /* We can safely suppose that 16 <= quant_matrix[i] <= 255 | |
124 | * Assume x = qscale * quant_matrix[i] | |
125 | * So 16 <= x <= 7905 | |
126 | * so (1 << 19) / 16 >= (1 << 19) / (x) >= (1 << 19) / 7905 | |
127 | * so 32768 >= (1 << 19) / (x) >= 67 */ | |
128 | qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / | |
129 | (qscale * quant_matrix[j])); | |
130 | //qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / | |
131 | // (qscale * quant_matrix[i]); | |
132 | qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / | |
133 | (qscale * quant_matrix[j]); | |
134 | ||
135 | if (qmat16[qscale][0][i] == 0 || | |
136 | qmat16[qscale][0][i] == 128 * 256) | |
137 | qmat16[qscale][0][i] = 128 * 256 - 1; | |
138 | qmat16[qscale][1][i] = | |
139 | ROUNDED_DIV(bias << (16 - QUANT_BIAS_SHIFT), | |
140 | qmat16[qscale][0][i]); | |
141 | } | |
142 | } | |
143 | ||
144 | for (i = intra; i < 64; i++) { | |
145 | int64_t max = 8191; | |
146 | if (fdsp->fdct == ff_fdct_ifast) { | |
147 | max = (8191LL * ff_aanscales[i]) >> 14; | |
148 | } | |
149 | while (((max * qmat[qscale][i]) >> shift) > INT_MAX) { | |
150 | shift++; | |
151 | } | |
152 | } | |
153 | } | |
154 | if (shift) { | |
155 | av_log(NULL, AV_LOG_INFO, | |
156 | "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", | |
157 | QMAT_SHIFT - shift); | |
158 | } | |
159 | } | |
160 | ||
161 | static inline void update_qscale(MpegEncContext *s) | |
162 | { | |
163 | s->qscale = (s->lambda * 139 + FF_LAMBDA_SCALE * 64) >> | |
164 | (FF_LAMBDA_SHIFT + 7); | |
165 | s->qscale = av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax); | |
166 | ||
167 | s->lambda2 = (s->lambda * s->lambda + FF_LAMBDA_SCALE / 2) >> | |
168 | FF_LAMBDA_SHIFT; | |
169 | } | |
170 | ||
171 | void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix) | |
172 | { | |
173 | int i; | |
174 | ||
175 | if (matrix) { | |
176 | put_bits(pb, 1, 1); | |
177 | for (i = 0; i < 64; i++) { | |
178 | put_bits(pb, 8, matrix[ff_zigzag_direct[i]]); | |
179 | } | |
180 | } else | |
181 | put_bits(pb, 1, 0); | |
182 | } | |
183 | ||
184 | /** | |
185 | * init s->current_picture.qscale_table from s->lambda_table | |
186 | */ | |
187 | void ff_init_qscale_tab(MpegEncContext *s) | |
188 | { | |
189 | int8_t * const qscale_table = s->current_picture.qscale_table; | |
190 | int i; | |
191 | ||
192 | for (i = 0; i < s->mb_num; i++) { | |
193 | unsigned int lam = s->lambda_table[s->mb_index2xy[i]]; | |
194 | int qp = (lam * 139 + FF_LAMBDA_SCALE * 64) >> (FF_LAMBDA_SHIFT + 7); | |
195 | qscale_table[s->mb_index2xy[i]] = av_clip(qp, s->avctx->qmin, | |
196 | s->avctx->qmax); | |
197 | } | |
198 | } | |
199 | ||
200 | static void update_duplicate_context_after_me(MpegEncContext *dst, | |
201 | MpegEncContext *src) | |
202 | { | |
203 | #define COPY(a) dst->a= src->a | |
204 | COPY(pict_type); | |
205 | COPY(current_picture); | |
206 | COPY(f_code); | |
207 | COPY(b_code); | |
208 | COPY(qscale); | |
209 | COPY(lambda); | |
210 | COPY(lambda2); | |
211 | COPY(picture_in_gop_number); | |
212 | COPY(gop_picture_number); | |
213 | COPY(frame_pred_frame_dct); // FIXME don't set in encode_header | |
214 | COPY(progressive_frame); // FIXME don't set in encode_header | |
215 | COPY(partitioned_frame); // FIXME don't set in encode_header | |
216 | #undef COPY | |
217 | } | |
218 | ||
219 | /** | |
220 | * Set the given MpegEncContext to defaults for encoding. | |
221 | * the changed fields will not depend upon the prior state of the MpegEncContext. | |
222 | */ | |
223 | static void mpv_encode_defaults(MpegEncContext *s) | |
224 | { | |
225 | int i; | |
226 | ff_mpv_common_defaults(s); | |
227 | ||
228 | for (i = -16; i < 16; i++) { | |
229 | default_fcode_tab[i + MAX_MV] = 1; | |
230 | } | |
231 | s->me.mv_penalty = default_mv_penalty; | |
232 | s->fcode_tab = default_fcode_tab; | |
233 | ||
234 | s->input_picture_number = 0; | |
235 | s->picture_in_gop_number = 0; | |
236 | } | |
237 | ||
238 | av_cold int ff_dct_encode_init(MpegEncContext *s) { | |
239 | if (ARCH_X86) | |
240 | ff_dct_encode_init_x86(s); | |
241 | ||
242 | if (CONFIG_H263_ENCODER) | |
243 | ff_h263dsp_init(&s->h263dsp); | |
244 | if (!s->dct_quantize) | |
245 | s->dct_quantize = ff_dct_quantize_c; | |
246 | if (!s->denoise_dct) | |
247 | s->denoise_dct = denoise_dct_c; | |
248 | s->fast_dct_quantize = s->dct_quantize; | |
249 | if (s->avctx->trellis) | |
250 | s->dct_quantize = dct_quantize_trellis_c; | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | /* init video encoder */ | |
256 | av_cold int ff_mpv_encode_init(AVCodecContext *avctx) | |
257 | { | |
258 | MpegEncContext *s = avctx->priv_data; | |
259 | int i, ret, format_supported; | |
260 | ||
261 | mpv_encode_defaults(s); | |
262 | ||
263 | switch (avctx->codec_id) { | |
264 | case AV_CODEC_ID_MPEG2VIDEO: | |
265 | if (avctx->pix_fmt != AV_PIX_FMT_YUV420P && | |
266 | avctx->pix_fmt != AV_PIX_FMT_YUV422P) { | |
267 | av_log(avctx, AV_LOG_ERROR, | |
268 | "only YUV420 and YUV422 are supported\n"); | |
269 | return -1; | |
270 | } | |
271 | break; | |
272 | case AV_CODEC_ID_MJPEG: | |
273 | case AV_CODEC_ID_AMV: | |
274 | format_supported = 0; | |
275 | /* JPEG color space */ | |
276 | if (avctx->pix_fmt == AV_PIX_FMT_YUVJ420P || | |
277 | avctx->pix_fmt == AV_PIX_FMT_YUVJ422P || | |
278 | avctx->pix_fmt == AV_PIX_FMT_YUVJ444P || | |
279 | (avctx->color_range == AVCOL_RANGE_JPEG && | |
280 | (avctx->pix_fmt == AV_PIX_FMT_YUV420P || | |
281 | avctx->pix_fmt == AV_PIX_FMT_YUV422P || | |
282 | avctx->pix_fmt == AV_PIX_FMT_YUV444P))) | |
283 | format_supported = 1; | |
284 | /* MPEG color space */ | |
285 | else if (avctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL && | |
286 | (avctx->pix_fmt == AV_PIX_FMT_YUV420P || | |
287 | avctx->pix_fmt == AV_PIX_FMT_YUV422P || | |
288 | avctx->pix_fmt == AV_PIX_FMT_YUV444P)) | |
289 | format_supported = 1; | |
290 | ||
291 | if (!format_supported) { | |
292 | av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n"); | |
293 | return -1; | |
294 | } | |
295 | break; | |
296 | default: | |
297 | if (avctx->pix_fmt != AV_PIX_FMT_YUV420P) { | |
298 | av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n"); | |
299 | return -1; | |
300 | } | |
301 | } | |
302 | ||
303 | switch (avctx->pix_fmt) { | |
304 | case AV_PIX_FMT_YUVJ444P: | |
305 | case AV_PIX_FMT_YUV444P: | |
306 | s->chroma_format = CHROMA_444; | |
307 | break; | |
308 | case AV_PIX_FMT_YUVJ422P: | |
309 | case AV_PIX_FMT_YUV422P: | |
310 | s->chroma_format = CHROMA_422; | |
311 | break; | |
312 | case AV_PIX_FMT_YUVJ420P: | |
313 | case AV_PIX_FMT_YUV420P: | |
314 | default: | |
315 | s->chroma_format = CHROMA_420; | |
316 | break; | |
317 | } | |
318 | ||
319 | s->bit_rate = avctx->bit_rate; | |
320 | s->width = avctx->width; | |
321 | s->height = avctx->height; | |
322 | if (avctx->gop_size > 600 && | |
323 | avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { | |
324 | av_log(avctx, AV_LOG_WARNING, | |
325 | "keyframe interval too large!, reducing it from %d to %d\n", | |
326 | avctx->gop_size, 600); | |
327 | avctx->gop_size = 600; | |
328 | } | |
329 | s->gop_size = avctx->gop_size; | |
330 | s->avctx = avctx; | |
331 | s->flags = avctx->flags; | |
332 | s->flags2 = avctx->flags2; | |
333 | if (avctx->max_b_frames > MAX_B_FRAMES) { | |
334 | av_log(avctx, AV_LOG_ERROR, "Too many B-frames requested, maximum " | |
335 | "is %d.\n", MAX_B_FRAMES); | |
336 | avctx->max_b_frames = MAX_B_FRAMES; | |
337 | } | |
338 | s->max_b_frames = avctx->max_b_frames; | |
339 | s->codec_id = avctx->codec->id; | |
340 | s->strict_std_compliance = avctx->strict_std_compliance; | |
341 | s->quarter_sample = (avctx->flags & CODEC_FLAG_QPEL) != 0; | |
342 | s->mpeg_quant = avctx->mpeg_quant; | |
343 | s->rtp_mode = !!avctx->rtp_payload_size; | |
344 | s->intra_dc_precision = avctx->intra_dc_precision; | |
345 | ||
346 | // workaround some differences between how applications specify dc precission | |
347 | if (s->intra_dc_precision < 0) { | |
348 | s->intra_dc_precision += 8; | |
349 | } else if (s->intra_dc_precision >= 8) | |
350 | s->intra_dc_precision -= 8; | |
351 | ||
352 | if (s->intra_dc_precision < 0) { | |
353 | av_log(avctx, AV_LOG_ERROR, | |
354 | "intra dc precision must be positive, note some applications use" | |
355 | " 0 and some 8 as base meaning 8bit, the value must not be smaller than that\n"); | |
356 | return AVERROR(EINVAL); | |
357 | } | |
358 | ||
359 | if (s->intra_dc_precision > (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO ? 3 : 0)) { | |
360 | av_log(avctx, AV_LOG_ERROR, "intra dc precision too large\n"); | |
361 | return AVERROR(EINVAL); | |
362 | } | |
363 | s->user_specified_pts = AV_NOPTS_VALUE; | |
364 | ||
365 | if (s->gop_size <= 1) { | |
366 | s->intra_only = 1; | |
367 | s->gop_size = 12; | |
368 | } else { | |
369 | s->intra_only = 0; | |
370 | } | |
371 | ||
372 | s->me_method = avctx->me_method; | |
373 | ||
374 | /* Fixed QSCALE */ | |
375 | s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE); | |
376 | ||
377 | s->adaptive_quant = (s->avctx->lumi_masking || | |
378 | s->avctx->dark_masking || | |
379 | s->avctx->temporal_cplx_masking || | |
380 | s->avctx->spatial_cplx_masking || | |
381 | s->avctx->p_masking || | |
382 | s->avctx->border_masking || | |
383 | (s->mpv_flags & FF_MPV_FLAG_QP_RD)) && | |
384 | !s->fixed_qscale; | |
385 | ||
386 | s->loop_filter = !!(s->flags & CODEC_FLAG_LOOP_FILTER); | |
387 | ||
388 | if (avctx->rc_max_rate && !avctx->rc_buffer_size) { | |
389 | switch(avctx->codec_id) { | |
390 | case AV_CODEC_ID_MPEG1VIDEO: | |
391 | case AV_CODEC_ID_MPEG2VIDEO: | |
392 | avctx->rc_buffer_size = FFMAX(avctx->rc_max_rate, 15000000) * 112L / 15000000 * 16384; | |
393 | break; | |
394 | case AV_CODEC_ID_MPEG4: | |
395 | case AV_CODEC_ID_MSMPEG4V1: | |
396 | case AV_CODEC_ID_MSMPEG4V2: | |
397 | case AV_CODEC_ID_MSMPEG4V3: | |
398 | if (avctx->rc_max_rate >= 15000000) { | |
399 | avctx->rc_buffer_size = 320 + (avctx->rc_max_rate - 15000000L) * (760-320) / (38400000 - 15000000); | |
400 | } else if(avctx->rc_max_rate >= 2000000) { | |
401 | avctx->rc_buffer_size = 80 + (avctx->rc_max_rate - 2000000L) * (320- 80) / (15000000 - 2000000); | |
402 | } else if(avctx->rc_max_rate >= 384000) { | |
403 | avctx->rc_buffer_size = 40 + (avctx->rc_max_rate - 384000L) * ( 80- 40) / ( 2000000 - 384000); | |
404 | } else | |
405 | avctx->rc_buffer_size = 40; | |
406 | avctx->rc_buffer_size *= 16384; | |
407 | break; | |
408 | } | |
409 | if (avctx->rc_buffer_size) { | |
410 | av_log(avctx, AV_LOG_INFO, "Automatically choosing VBV buffer size of %d kbyte\n", avctx->rc_buffer_size/8192); | |
411 | } | |
412 | } | |
413 | ||
414 | if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) { | |
415 | av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n"); | |
416 | return -1; | |
417 | } | |
418 | ||
419 | if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) { | |
420 | av_log(avctx, AV_LOG_INFO, | |
421 | "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n"); | |
422 | } | |
423 | ||
424 | if (avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate) { | |
425 | av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n"); | |
426 | return -1; | |
427 | } | |
428 | ||
429 | if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) { | |
430 | av_log(avctx, AV_LOG_ERROR, "bitrate above max bitrate\n"); | |
431 | return -1; | |
432 | } | |
433 | ||
434 | if (avctx->rc_max_rate && | |
435 | avctx->rc_max_rate == avctx->bit_rate && | |
436 | avctx->rc_max_rate != avctx->rc_min_rate) { | |
437 | av_log(avctx, AV_LOG_INFO, | |
438 | "impossible bitrate constraints, this will fail\n"); | |
439 | } | |
440 | ||
441 | if (avctx->rc_buffer_size && | |
442 | avctx->bit_rate * (int64_t)avctx->time_base.num > | |
443 | avctx->rc_buffer_size * (int64_t)avctx->time_base.den) { | |
444 | av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n"); | |
445 | return -1; | |
446 | } | |
447 | ||
448 | if (!s->fixed_qscale && | |
449 | avctx->bit_rate * av_q2d(avctx->time_base) > | |
450 | avctx->bit_rate_tolerance) { | |
451 | av_log(avctx, AV_LOG_WARNING, | |
452 | "bitrate tolerance %d too small for bitrate %d, overriding\n", avctx->bit_rate_tolerance, avctx->bit_rate); | |
453 | avctx->bit_rate_tolerance = 5 * avctx->bit_rate * av_q2d(avctx->time_base); | |
454 | } | |
455 | ||
456 | if (s->avctx->rc_max_rate && | |
457 | s->avctx->rc_min_rate == s->avctx->rc_max_rate && | |
458 | (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || | |
459 | s->codec_id == AV_CODEC_ID_MPEG2VIDEO) && | |
460 | 90000LL * (avctx->rc_buffer_size - 1) > | |
461 | s->avctx->rc_max_rate * 0xFFFFLL) { | |
462 | av_log(avctx, AV_LOG_INFO, | |
463 | "Warning vbv_delay will be set to 0xFFFF (=VBR) as the " | |
464 | "specified vbv buffer is too large for the given bitrate!\n"); | |
465 | } | |
466 | ||
467 | if ((s->flags & CODEC_FLAG_4MV) && s->codec_id != AV_CODEC_ID_MPEG4 && | |
468 | s->codec_id != AV_CODEC_ID_H263 && s->codec_id != AV_CODEC_ID_H263P && | |
469 | s->codec_id != AV_CODEC_ID_FLV1) { | |
470 | av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n"); | |
471 | return -1; | |
472 | } | |
473 | ||
474 | if (s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE) { | |
475 | av_log(avctx, AV_LOG_ERROR, | |
476 | "OBMC is only supported with simple mb decision\n"); | |
477 | return -1; | |
478 | } | |
479 | ||
480 | if (s->quarter_sample && s->codec_id != AV_CODEC_ID_MPEG4) { | |
481 | av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n"); | |
482 | return -1; | |
483 | } | |
484 | ||
485 | if (s->max_b_frames && | |
486 | s->codec_id != AV_CODEC_ID_MPEG4 && | |
487 | s->codec_id != AV_CODEC_ID_MPEG1VIDEO && | |
488 | s->codec_id != AV_CODEC_ID_MPEG2VIDEO) { | |
489 | av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n"); | |
490 | return -1; | |
491 | } | |
492 | if (s->max_b_frames < 0) { | |
493 | av_log(avctx, AV_LOG_ERROR, | |
494 | "max b frames must be 0 or positive for mpegvideo based encoders\n"); | |
495 | return -1; | |
496 | } | |
497 | ||
498 | if ((s->codec_id == AV_CODEC_ID_MPEG4 || | |
499 | s->codec_id == AV_CODEC_ID_H263 || | |
500 | s->codec_id == AV_CODEC_ID_H263P) && | |
501 | (avctx->sample_aspect_ratio.num > 255 || | |
502 | avctx->sample_aspect_ratio.den > 255)) { | |
503 | av_log(avctx, AV_LOG_WARNING, | |
504 | "Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n", | |
505 | avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den); | |
506 | av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den, | |
507 | avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255); | |
508 | } | |
509 | ||
510 | if ((s->codec_id == AV_CODEC_ID_H263 || | |
511 | s->codec_id == AV_CODEC_ID_H263P) && | |
512 | (avctx->width > 2048 || | |
513 | avctx->height > 1152 )) { | |
514 | av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n"); | |
515 | return -1; | |
516 | } | |
517 | if ((s->codec_id == AV_CODEC_ID_H263 || | |
518 | s->codec_id == AV_CODEC_ID_H263P) && | |
519 | ((avctx->width &3) || | |
520 | (avctx->height&3) )) { | |
521 | av_log(avctx, AV_LOG_ERROR, "w/h must be a multiple of 4\n"); | |
522 | return -1; | |
523 | } | |
524 | ||
525 | if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO && | |
526 | (avctx->width > 4095 || | |
527 | avctx->height > 4095 )) { | |
528 | av_log(avctx, AV_LOG_ERROR, "MPEG-1 does not support resolutions above 4095x4095\n"); | |
529 | return -1; | |
530 | } | |
531 | ||
532 | if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && | |
533 | (avctx->width > 16383 || | |
534 | avctx->height > 16383 )) { | |
535 | av_log(avctx, AV_LOG_ERROR, "MPEG-2 does not support resolutions above 16383x16383\n"); | |
536 | return -1; | |
537 | } | |
538 | ||
539 | if (s->codec_id == AV_CODEC_ID_RV10 && | |
540 | (avctx->width &15 || | |
541 | avctx->height&15 )) { | |
542 | av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 16\n"); | |
543 | return AVERROR(EINVAL); | |
544 | } | |
545 | ||
546 | if (s->codec_id == AV_CODEC_ID_RV20 && | |
547 | (avctx->width &3 || | |
548 | avctx->height&3 )) { | |
549 | av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 4\n"); | |
550 | return AVERROR(EINVAL); | |
551 | } | |
552 | ||
553 | if ((s->codec_id == AV_CODEC_ID_WMV1 || | |
554 | s->codec_id == AV_CODEC_ID_WMV2) && | |
555 | avctx->width & 1) { | |
556 | av_log(avctx, AV_LOG_ERROR, "width must be multiple of 2\n"); | |
557 | return -1; | |
558 | } | |
559 | ||
560 | if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) && | |
561 | s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) { | |
562 | av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n"); | |
563 | return -1; | |
564 | } | |
565 | ||
566 | // FIXME mpeg2 uses that too | |
567 | if (s->mpeg_quant && ( s->codec_id != AV_CODEC_ID_MPEG4 | |
568 | && s->codec_id != AV_CODEC_ID_MPEG2VIDEO)) { | |
569 | av_log(avctx, AV_LOG_ERROR, | |
570 | "mpeg2 style quantization not supported by codec\n"); | |
571 | return -1; | |
572 | } | |
573 | ||
574 | if ((s->mpv_flags & FF_MPV_FLAG_CBP_RD) && !avctx->trellis) { | |
575 | av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n"); | |
576 | return -1; | |
577 | } | |
578 | ||
579 | if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) && | |
580 | s->avctx->mb_decision != FF_MB_DECISION_RD) { | |
581 | av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n"); | |
582 | return -1; | |
583 | } | |
584 | ||
585 | if (s->avctx->scenechange_threshold < 1000000000 && | |
586 | (s->flags & CODEC_FLAG_CLOSED_GOP)) { | |
587 | av_log(avctx, AV_LOG_ERROR, | |
588 | "closed gop with scene change detection are not supported yet, " | |
589 | "set threshold to 1000000000\n"); | |
590 | return -1; | |
591 | } | |
592 | ||
593 | if (s->flags & CODEC_FLAG_LOW_DELAY) { | |
594 | if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO) { | |
595 | av_log(avctx, AV_LOG_ERROR, | |
596 | "low delay forcing is only available for mpeg2\n"); | |
597 | return -1; | |
598 | } | |
599 | if (s->max_b_frames != 0) { | |
600 | av_log(avctx, AV_LOG_ERROR, | |
601 | "b frames cannot be used with low delay\n"); | |
602 | return -1; | |
603 | } | |
604 | } | |
605 | ||
606 | if (s->q_scale_type == 1) { | |
607 | if (avctx->qmax > 12) { | |
608 | av_log(avctx, AV_LOG_ERROR, | |
609 | "non linear quant only supports qmax <= 12 currently\n"); | |
610 | return -1; | |
611 | } | |
612 | } | |
613 | ||
614 | if (s->avctx->thread_count > 1 && | |
615 | s->codec_id != AV_CODEC_ID_MPEG4 && | |
616 | s->codec_id != AV_CODEC_ID_MPEG1VIDEO && | |
617 | s->codec_id != AV_CODEC_ID_MPEG2VIDEO && | |
618 | s->codec_id != AV_CODEC_ID_MJPEG && | |
619 | (s->codec_id != AV_CODEC_ID_H263P)) { | |
620 | av_log(avctx, AV_LOG_ERROR, | |
621 | "multi threaded encoding not supported by codec\n"); | |
622 | return -1; | |
623 | } | |
624 | ||
625 | if (s->avctx->thread_count < 1) { | |
626 | av_log(avctx, AV_LOG_ERROR, | |
627 | "automatic thread number detection not supported by codec, " | |
628 | "patch welcome\n"); | |
629 | return -1; | |
630 | } | |
631 | ||
632 | if (s->avctx->slices > 1 || s->avctx->thread_count > 1) | |
633 | s->rtp_mode = 1; | |
634 | ||
635 | if (s->avctx->thread_count > 1 && s->codec_id == AV_CODEC_ID_H263P) | |
636 | s->h263_slice_structured = 1; | |
637 | ||
638 | if (!avctx->time_base.den || !avctx->time_base.num) { | |
639 | av_log(avctx, AV_LOG_ERROR, "framerate not set\n"); | |
640 | return -1; | |
641 | } | |
642 | ||
643 | i = (INT_MAX / 2 + 128) >> 8; | |
644 | if (avctx->mb_threshold >= i) { | |
645 | av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", | |
646 | i - 1); | |
647 | return -1; | |
648 | } | |
649 | ||
650 | if (avctx->b_frame_strategy && (avctx->flags & CODEC_FLAG_PASS2)) { | |
651 | av_log(avctx, AV_LOG_INFO, | |
652 | "notice: b_frame_strategy only affects the first pass\n"); | |
653 | avctx->b_frame_strategy = 0; | |
654 | } | |
655 | ||
656 | i = av_gcd(avctx->time_base.den, avctx->time_base.num); | |
657 | if (i > 1) { | |
658 | av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n"); | |
659 | avctx->time_base.den /= i; | |
660 | avctx->time_base.num /= i; | |
661 | //return -1; | |
662 | } | |
663 | ||
664 | if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || s->codec_id == AV_CODEC_ID_MJPEG || s->codec_id==AV_CODEC_ID_AMV) { | |
665 | // (a + x * 3 / 8) / x | |
666 | s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3); | |
667 | s->inter_quant_bias = 0; | |
668 | } else { | |
669 | s->intra_quant_bias = 0; | |
670 | // (a - x / 4) / x | |
671 | s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2)); | |
672 | } | |
673 | ||
674 | if (avctx->qmin > avctx->qmax || avctx->qmin <= 0) { | |
675 | av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are invalid, they must be 0 < min <= max\n"); | |
676 | return AVERROR(EINVAL); | |
677 | } | |
678 | ||
679 | if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) | |
680 | s->intra_quant_bias = avctx->intra_quant_bias; | |
681 | if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS) | |
682 | s->inter_quant_bias = avctx->inter_quant_bias; | |
683 | ||
684 | av_log(avctx, AV_LOG_DEBUG, "intra_quant_bias = %d inter_quant_bias = %d\n",s->intra_quant_bias,s->inter_quant_bias); | |
685 | ||
686 | if (avctx->codec_id == AV_CODEC_ID_MPEG4 && | |
687 | s->avctx->time_base.den > (1 << 16) - 1) { | |
688 | av_log(avctx, AV_LOG_ERROR, | |
689 | "timebase %d/%d not supported by MPEG 4 standard, " | |
690 | "the maximum admitted value for the timebase denominator " | |
691 | "is %d\n", s->avctx->time_base.num, s->avctx->time_base.den, | |
692 | (1 << 16) - 1); | |
693 | return -1; | |
694 | } | |
695 | s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1; | |
696 | ||
697 | switch (avctx->codec->id) { | |
698 | case AV_CODEC_ID_MPEG1VIDEO: | |
699 | s->out_format = FMT_MPEG1; | |
700 | s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY); | |
701 | avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); | |
702 | break; | |
703 | case AV_CODEC_ID_MPEG2VIDEO: | |
704 | s->out_format = FMT_MPEG1; | |
705 | s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY); | |
706 | avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); | |
707 | s->rtp_mode = 1; | |
708 | break; | |
709 | case AV_CODEC_ID_MJPEG: | |
710 | case AV_CODEC_ID_AMV: | |
711 | s->out_format = FMT_MJPEG; | |
712 | s->intra_only = 1; /* force intra only for jpeg */ | |
713 | if (!CONFIG_MJPEG_ENCODER || | |
714 | ff_mjpeg_encode_init(s) < 0) | |
715 | return -1; | |
716 | avctx->delay = 0; | |
717 | s->low_delay = 1; | |
718 | break; | |
719 | case AV_CODEC_ID_H261: | |
720 | if (!CONFIG_H261_ENCODER) | |
721 | return -1; | |
722 | if (ff_h261_get_picture_format(s->width, s->height) < 0) { | |
723 | av_log(avctx, AV_LOG_ERROR, | |
724 | "The specified picture size of %dx%d is not valid for the " | |
725 | "H.261 codec.\nValid sizes are 176x144, 352x288\n", | |
726 | s->width, s->height); | |
727 | return -1; | |
728 | } | |
729 | s->out_format = FMT_H261; | |
730 | avctx->delay = 0; | |
731 | s->low_delay = 1; | |
732 | break; | |
733 | case AV_CODEC_ID_H263: | |
734 | if (!CONFIG_H263_ENCODER) | |
735 | return -1; | |
736 | if (ff_match_2uint16(ff_h263_format, FF_ARRAY_ELEMS(ff_h263_format), | |
737 | s->width, s->height) == 8) { | |
738 | av_log(avctx, AV_LOG_ERROR, | |
739 | "The specified picture size of %dx%d is not valid for " | |
740 | "the H.263 codec.\nValid sizes are 128x96, 176x144, " | |
741 | "352x288, 704x576, and 1408x1152. " | |
742 | "Try H.263+.\n", s->width, s->height); | |
743 | return -1; | |
744 | } | |
745 | s->out_format = FMT_H263; | |
746 | avctx->delay = 0; | |
747 | s->low_delay = 1; | |
748 | break; | |
749 | case AV_CODEC_ID_H263P: | |
750 | s->out_format = FMT_H263; | |
751 | s->h263_plus = 1; | |
752 | /* Fx */ | |
753 | s->h263_aic = (avctx->flags & CODEC_FLAG_AC_PRED) ? 1 : 0; | |
754 | s->modified_quant = s->h263_aic; | |
755 | s->loop_filter = (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1 : 0; | |
756 | s->unrestricted_mv = s->obmc || s->loop_filter || s->umvplus; | |
757 | ||
758 | /* /Fx */ | |
759 | /* These are just to be sure */ | |
760 | avctx->delay = 0; | |
761 | s->low_delay = 1; | |
762 | break; | |
763 | case AV_CODEC_ID_FLV1: | |
764 | s->out_format = FMT_H263; | |
765 | s->h263_flv = 2; /* format = 1; 11-bit codes */ | |
766 | s->unrestricted_mv = 1; | |
767 | s->rtp_mode = 0; /* don't allow GOB */ | |
768 | avctx->delay = 0; | |
769 | s->low_delay = 1; | |
770 | break; | |
771 | case AV_CODEC_ID_RV10: | |
772 | s->out_format = FMT_H263; | |
773 | avctx->delay = 0; | |
774 | s->low_delay = 1; | |
775 | break; | |
776 | case AV_CODEC_ID_RV20: | |
777 | s->out_format = FMT_H263; | |
778 | avctx->delay = 0; | |
779 | s->low_delay = 1; | |
780 | s->modified_quant = 1; | |
781 | s->h263_aic = 1; | |
782 | s->h263_plus = 1; | |
783 | s->loop_filter = 1; | |
784 | s->unrestricted_mv = 0; | |
785 | break; | |
786 | case AV_CODEC_ID_MPEG4: | |
787 | s->out_format = FMT_H263; | |
788 | s->h263_pred = 1; | |
789 | s->unrestricted_mv = 1; | |
790 | s->low_delay = s->max_b_frames ? 0 : 1; | |
791 | avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1); | |
792 | break; | |
793 | case AV_CODEC_ID_MSMPEG4V2: | |
794 | s->out_format = FMT_H263; | |
795 | s->h263_pred = 1; | |
796 | s->unrestricted_mv = 1; | |
797 | s->msmpeg4_version = 2; | |
798 | avctx->delay = 0; | |
799 | s->low_delay = 1; | |
800 | break; | |
801 | case AV_CODEC_ID_MSMPEG4V3: | |
802 | s->out_format = FMT_H263; | |
803 | s->h263_pred = 1; | |
804 | s->unrestricted_mv = 1; | |
805 | s->msmpeg4_version = 3; | |
806 | s->flipflop_rounding = 1; | |
807 | avctx->delay = 0; | |
808 | s->low_delay = 1; | |
809 | break; | |
810 | case AV_CODEC_ID_WMV1: | |
811 | s->out_format = FMT_H263; | |
812 | s->h263_pred = 1; | |
813 | s->unrestricted_mv = 1; | |
814 | s->msmpeg4_version = 4; | |
815 | s->flipflop_rounding = 1; | |
816 | avctx->delay = 0; | |
817 | s->low_delay = 1; | |
818 | break; | |
819 | case AV_CODEC_ID_WMV2: | |
820 | s->out_format = FMT_H263; | |
821 | s->h263_pred = 1; | |
822 | s->unrestricted_mv = 1; | |
823 | s->msmpeg4_version = 5; | |
824 | s->flipflop_rounding = 1; | |
825 | avctx->delay = 0; | |
826 | s->low_delay = 1; | |
827 | break; | |
828 | default: | |
829 | return -1; | |
830 | } | |
831 | ||
832 | avctx->has_b_frames = !s->low_delay; | |
833 | ||
834 | s->encoding = 1; | |
835 | ||
836 | s->progressive_frame = | |
837 | s->progressive_sequence = !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT | | |
838 | CODEC_FLAG_INTERLACED_ME) || | |
839 | s->alternate_scan); | |
840 | ||
841 | /* init */ | |
842 | ff_mpv_idct_init(s); | |
843 | if (ff_mpv_common_init(s) < 0) | |
844 | return -1; | |
845 | ||
846 | ff_fdctdsp_init(&s->fdsp, avctx); | |
847 | ff_me_cmp_init(&s->mecc, avctx); | |
848 | ff_mpegvideoencdsp_init(&s->mpvencdsp, avctx); | |
849 | ff_pixblockdsp_init(&s->pdsp, avctx); | |
850 | ff_qpeldsp_init(&s->qdsp); | |
851 | ||
852 | s->avctx->coded_frame = s->current_picture.f; | |
853 | ||
854 | if (s->msmpeg4_version) { | |
855 | FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, | |
856 | 2 * 2 * (MAX_LEVEL + 1) * | |
857 | (MAX_RUN + 1) * 2 * sizeof(int), fail); | |
858 | } | |
859 | FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail); | |
860 | ||
861 | FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail); | |
862 | FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail); | |
863 | FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail); | |
864 | FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail); | |
865 | FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail); | |
866 | FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail); | |
867 | FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, | |
868 | MAX_PICTURE_COUNT * sizeof(Picture *), fail); | |
869 | FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, | |
870 | MAX_PICTURE_COUNT * sizeof(Picture *), fail); | |
871 | ||
872 | if (s->avctx->noise_reduction) { | |
873 | FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, | |
874 | 2 * 64 * sizeof(uint16_t), fail); | |
875 | } | |
876 | ||
877 | ff_dct_encode_init(s); | |
878 | ||
879 | if ((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant) | |
880 | s->chroma_qscale_table = ff_h263_chroma_qscale_table; | |
881 | ||
882 | s->quant_precision = 5; | |
883 | ||
884 | ff_set_cmp(&s->mecc, s->mecc.ildct_cmp, s->avctx->ildct_cmp); | |
885 | ff_set_cmp(&s->mecc, s->mecc.frame_skip_cmp, s->avctx->frame_skip_cmp); | |
886 | ||
887 | if (CONFIG_H261_ENCODER && s->out_format == FMT_H261) | |
888 | ff_h261_encode_init(s); | |
889 | if (CONFIG_H263_ENCODER && s->out_format == FMT_H263) | |
890 | ff_h263_encode_init(s); | |
891 | if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version) | |
892 | ff_msmpeg4_encode_init(s); | |
893 | if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) | |
894 | && s->out_format == FMT_MPEG1) | |
895 | ff_mpeg1_encode_init(s); | |
896 | ||
897 | /* init q matrix */ | |
898 | for (i = 0; i < 64; i++) { | |
899 | int j = s->idsp.idct_permutation[i]; | |
900 | if (CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4 && | |
901 | s->mpeg_quant) { | |
902 | s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i]; | |
903 | s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i]; | |
904 | } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { | |
905 | s->intra_matrix[j] = | |
906 | s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; | |
907 | } else { | |
908 | /* mpeg1/2 */ | |
909 | s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i]; | |
910 | s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i]; | |
911 | } | |
912 | if (s->avctx->intra_matrix) | |
913 | s->intra_matrix[j] = s->avctx->intra_matrix[i]; | |
914 | if (s->avctx->inter_matrix) | |
915 | s->inter_matrix[j] = s->avctx->inter_matrix[i]; | |
916 | } | |
917 | ||
918 | /* precompute matrix */ | |
919 | /* for mjpeg, we do include qscale in the matrix */ | |
920 | if (s->out_format != FMT_MJPEG) { | |
921 | ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16, | |
922 | s->intra_matrix, s->intra_quant_bias, avctx->qmin, | |
923 | 31, 1); | |
924 | ff_convert_matrix(s, s->q_inter_matrix, s->q_inter_matrix16, | |
925 | s->inter_matrix, s->inter_quant_bias, avctx->qmin, | |
926 | 31, 0); | |
927 | } | |
928 | ||
929 | if (ff_rate_control_init(s) < 0) | |
930 | return -1; | |
931 | ||
932 | #if FF_API_ERROR_RATE | |
933 | FF_DISABLE_DEPRECATION_WARNINGS | |
934 | if (avctx->error_rate) | |
935 | s->error_rate = avctx->error_rate; | |
936 | FF_ENABLE_DEPRECATION_WARNINGS; | |
937 | #endif | |
938 | ||
939 | #if FF_API_NORMALIZE_AQP | |
940 | FF_DISABLE_DEPRECATION_WARNINGS | |
941 | if (avctx->flags & CODEC_FLAG_NORMALIZE_AQP) | |
942 | s->mpv_flags |= FF_MPV_FLAG_NAQ; | |
943 | FF_ENABLE_DEPRECATION_WARNINGS; | |
944 | #endif | |
945 | ||
946 | #if FF_API_MV0 | |
947 | FF_DISABLE_DEPRECATION_WARNINGS | |
948 | if (avctx->flags & CODEC_FLAG_MV0) | |
949 | s->mpv_flags |= FF_MPV_FLAG_MV0; | |
950 | FF_ENABLE_DEPRECATION_WARNINGS | |
951 | #endif | |
952 | ||
953 | if (avctx->b_frame_strategy == 2) { | |
954 | for (i = 0; i < s->max_b_frames + 2; i++) { | |
955 | s->tmp_frames[i] = av_frame_alloc(); | |
956 | if (!s->tmp_frames[i]) | |
957 | return AVERROR(ENOMEM); | |
958 | ||
959 | s->tmp_frames[i]->format = AV_PIX_FMT_YUV420P; | |
960 | s->tmp_frames[i]->width = s->width >> avctx->brd_scale; | |
961 | s->tmp_frames[i]->height = s->height >> avctx->brd_scale; | |
962 | ||
963 | ret = av_frame_get_buffer(s->tmp_frames[i], 32); | |
964 | if (ret < 0) | |
965 | return ret; | |
966 | } | |
967 | } | |
968 | ||
969 | return 0; | |
970 | fail: | |
971 | ff_mpv_encode_end(avctx); | |
972 | return AVERROR_UNKNOWN; | |
973 | } | |
974 | ||
975 | av_cold int ff_mpv_encode_end(AVCodecContext *avctx) | |
976 | { | |
977 | MpegEncContext *s = avctx->priv_data; | |
978 | int i; | |
979 | ||
980 | ff_rate_control_uninit(s); | |
981 | ||
982 | ff_mpv_common_end(s); | |
983 | if (CONFIG_MJPEG_ENCODER && | |
984 | s->out_format == FMT_MJPEG) | |
985 | ff_mjpeg_encode_close(s); | |
986 | ||
987 | av_freep(&avctx->extradata); | |
988 | ||
989 | for (i = 0; i < FF_ARRAY_ELEMS(s->tmp_frames); i++) | |
990 | av_frame_free(&s->tmp_frames[i]); | |
991 | ||
992 | ff_free_picture_tables(&s->new_picture); | |
993 | ff_mpeg_unref_picture(s, &s->new_picture); | |
994 | ||
995 | av_freep(&s->avctx->stats_out); | |
996 | av_freep(&s->ac_stats); | |
997 | ||
998 | if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix); | |
999 | if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16); | |
1000 | s->q_chroma_intra_matrix= NULL; | |
1001 | s->q_chroma_intra_matrix16= NULL; | |
1002 | av_freep(&s->q_intra_matrix); | |
1003 | av_freep(&s->q_inter_matrix); | |
1004 | av_freep(&s->q_intra_matrix16); | |
1005 | av_freep(&s->q_inter_matrix16); | |
1006 | av_freep(&s->input_picture); | |
1007 | av_freep(&s->reordered_input_picture); | |
1008 | av_freep(&s->dct_offset); | |
1009 | ||
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | static int get_sae(uint8_t *src, int ref, int stride) | |
1014 | { | |
1015 | int x,y; | |
1016 | int acc = 0; | |
1017 | ||
1018 | for (y = 0; y < 16; y++) { | |
1019 | for (x = 0; x < 16; x++) { | |
1020 | acc += FFABS(src[x + y * stride] - ref); | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | return acc; | |
1025 | } | |
1026 | ||
1027 | static int get_intra_count(MpegEncContext *s, uint8_t *src, | |
1028 | uint8_t *ref, int stride) | |
1029 | { | |
1030 | int x, y, w, h; | |
1031 | int acc = 0; | |
1032 | ||
1033 | w = s->width & ~15; | |
1034 | h = s->height & ~15; | |
1035 | ||
1036 | for (y = 0; y < h; y += 16) { | |
1037 | for (x = 0; x < w; x += 16) { | |
1038 | int offset = x + y * stride; | |
1039 | int sad = s->mecc.sad[0](NULL, src + offset, ref + offset, | |
1040 | stride, 16); | |
1041 | int mean = (s->mpvencdsp.pix_sum(src + offset, stride) + 128) >> 8; | |
1042 | int sae = get_sae(src + offset, mean, stride); | |
1043 | ||
1044 | acc += sae + 500 < sad; | |
1045 | } | |
1046 | } | |
1047 | return acc; | |
1048 | } | |
1049 | ||
1050 | ||
1051 | static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg) | |
1052 | { | |
1053 | Picture *pic = NULL; | |
1054 | int64_t pts; | |
1055 | int i, display_picture_number = 0, ret; | |
1056 | const int encoding_delay = s->max_b_frames ? s->max_b_frames : | |
1057 | (s->low_delay ? 0 : 1); | |
1058 | int direct = 1; | |
1059 | ||
1060 | if (pic_arg) { | |
1061 | pts = pic_arg->pts; | |
1062 | display_picture_number = s->input_picture_number++; | |
1063 | ||
1064 | if (pts != AV_NOPTS_VALUE) { | |
1065 | if (s->user_specified_pts != AV_NOPTS_VALUE) { | |
1066 | int64_t last = s->user_specified_pts; | |
1067 | ||
1068 | if (pts <= last) { | |
1069 | av_log(s->avctx, AV_LOG_ERROR, | |
1070 | "Invalid pts (%"PRId64") <= last (%"PRId64")\n", | |
1071 | pts, last); | |
1072 | return AVERROR(EINVAL); | |
1073 | } | |
1074 | ||
1075 | if (!s->low_delay && display_picture_number == 1) | |
1076 | s->dts_delta = pts - last; | |
1077 | } | |
1078 | s->user_specified_pts = pts; | |
1079 | } else { | |
1080 | if (s->user_specified_pts != AV_NOPTS_VALUE) { | |
1081 | s->user_specified_pts = | |
1082 | pts = s->user_specified_pts + 1; | |
1083 | av_log(s->avctx, AV_LOG_INFO, | |
1084 | "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n", | |
1085 | pts); | |
1086 | } else { | |
1087 | pts = display_picture_number; | |
1088 | } | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | if (pic_arg) { | |
1093 | if (!pic_arg->buf[0]) | |
1094 | direct = 0; | |
1095 | if (pic_arg->linesize[0] != s->linesize) | |
1096 | direct = 0; | |
1097 | if (pic_arg->linesize[1] != s->uvlinesize) | |
1098 | direct = 0; | |
1099 | if (pic_arg->linesize[2] != s->uvlinesize) | |
1100 | direct = 0; | |
1101 | if ((s->width & 15) || (s->height & 15)) | |
1102 | direct = 0; | |
1103 | if (((intptr_t)(pic_arg->data[0])) & (STRIDE_ALIGN-1)) | |
1104 | direct = 0; | |
1105 | if (s->linesize & (STRIDE_ALIGN-1)) | |
1106 | direct = 0; | |
1107 | ||
1108 | av_dlog(s->avctx, "%d %d %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"\n", pic_arg->linesize[0], | |
1109 | pic_arg->linesize[1], s->linesize, s->uvlinesize); | |
1110 | ||
1111 | if (direct) { | |
1112 | i = ff_find_unused_picture(s, 1); | |
1113 | if (i < 0) | |
1114 | return i; | |
1115 | ||
1116 | pic = &s->picture[i]; | |
1117 | pic->reference = 3; | |
1118 | ||
1119 | if ((ret = av_frame_ref(pic->f, pic_arg)) < 0) | |
1120 | return ret; | |
1121 | if (ff_alloc_picture(s, pic, 1) < 0) { | |
1122 | return -1; | |
1123 | } | |
1124 | } else { | |
1125 | i = ff_find_unused_picture(s, 0); | |
1126 | if (i < 0) | |
1127 | return i; | |
1128 | ||
1129 | pic = &s->picture[i]; | |
1130 | pic->reference = 3; | |
1131 | ||
1132 | if (ff_alloc_picture(s, pic, 0) < 0) { | |
1133 | return -1; | |
1134 | } | |
1135 | ||
1136 | if (pic->f->data[0] + INPLACE_OFFSET == pic_arg->data[0] && | |
1137 | pic->f->data[1] + INPLACE_OFFSET == pic_arg->data[1] && | |
1138 | pic->f->data[2] + INPLACE_OFFSET == pic_arg->data[2]) { | |
1139 | // empty | |
1140 | } else { | |
1141 | int h_chroma_shift, v_chroma_shift; | |
1142 | av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, | |
1143 | &h_chroma_shift, | |
1144 | &v_chroma_shift); | |
1145 | ||
1146 | for (i = 0; i < 3; i++) { | |
1147 | int src_stride = pic_arg->linesize[i]; | |
1148 | int dst_stride = i ? s->uvlinesize : s->linesize; | |
1149 | int h_shift = i ? h_chroma_shift : 0; | |
1150 | int v_shift = i ? v_chroma_shift : 0; | |
1151 | int w = s->width >> h_shift; | |
1152 | int h = s->height >> v_shift; | |
1153 | uint8_t *src = pic_arg->data[i]; | |
1154 | uint8_t *dst = pic->f->data[i]; | |
1155 | int vpad = 16; | |
1156 | ||
1157 | if ( s->codec_id == AV_CODEC_ID_MPEG2VIDEO | |
1158 | && !s->progressive_sequence | |
1159 | && FFALIGN(s->height, 32) - s->height > 16) | |
1160 | vpad = 32; | |
1161 | ||
1162 | if (!s->avctx->rc_buffer_size) | |
1163 | dst += INPLACE_OFFSET; | |
1164 | ||
1165 | if (src_stride == dst_stride) | |
1166 | memcpy(dst, src, src_stride * h); | |
1167 | else { | |
1168 | int h2 = h; | |
1169 | uint8_t *dst2 = dst; | |
1170 | while (h2--) { | |
1171 | memcpy(dst2, src, w); | |
1172 | dst2 += dst_stride; | |
1173 | src += src_stride; | |
1174 | } | |
1175 | } | |
1176 | if ((s->width & 15) || (s->height & (vpad-1))) { | |
1177 | s->mpvencdsp.draw_edges(dst, dst_stride, | |
1178 | w, h, | |
1179 | 16>>h_shift, | |
1180 | vpad>>v_shift, | |
1181 | EDGE_BOTTOM); | |
1182 | } | |
1183 | } | |
1184 | } | |
1185 | } | |
1186 | ret = av_frame_copy_props(pic->f, pic_arg); | |
1187 | if (ret < 0) | |
1188 | return ret; | |
1189 | ||
1190 | pic->f->display_picture_number = display_picture_number; | |
1191 | pic->f->pts = pts; // we set this here to avoid modifiying pic_arg | |
1192 | } | |
1193 | ||
1194 | /* shift buffer entries */ | |
1195 | for (i = 1; i < MAX_PICTURE_COUNT /*s->encoding_delay + 1*/; i++) | |
1196 | s->input_picture[i - 1] = s->input_picture[i]; | |
1197 | ||
1198 | s->input_picture[encoding_delay] = (Picture*) pic; | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | ||
1203 | static int skip_check(MpegEncContext *s, Picture *p, Picture *ref) | |
1204 | { | |
1205 | int x, y, plane; | |
1206 | int score = 0; | |
1207 | int64_t score64 = 0; | |
1208 | ||
1209 | for (plane = 0; plane < 3; plane++) { | |
1210 | const int stride = p->f->linesize[plane]; | |
1211 | const int bw = plane ? 1 : 2; | |
1212 | for (y = 0; y < s->mb_height * bw; y++) { | |
1213 | for (x = 0; x < s->mb_width * bw; x++) { | |
1214 | int off = p->shared ? 0 : 16; | |
1215 | uint8_t *dptr = p->f->data[plane] + 8 * (x + y * stride) + off; | |
1216 | uint8_t *rptr = ref->f->data[plane] + 8 * (x + y * stride); | |
1217 | int v = s->mecc.frame_skip_cmp[1](s, dptr, rptr, stride, 8); | |
1218 | ||
1219 | switch (FFABS(s->avctx->frame_skip_exp)) { | |
1220 | case 0: score = FFMAX(score, v); break; | |
1221 | case 1: score += FFABS(v); break; | |
1222 | case 2: score64 += v * (int64_t)v; break; | |
1223 | case 3: score64 += FFABS(v * (int64_t)v * v); break; | |
1224 | case 4: score64 += (v * (int64_t)v) * (v * (int64_t)v); break; | |
1225 | } | |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | emms_c(); | |
1230 | ||
1231 | if (score) | |
1232 | score64 = score; | |
1233 | if (s->avctx->frame_skip_exp < 0) | |
1234 | score64 = pow(score64 / (double)(s->mb_width * s->mb_height), | |
1235 | -1.0/s->avctx->frame_skip_exp); | |
1236 | ||
1237 | if (score64 < s->avctx->frame_skip_threshold) | |
1238 | return 1; | |
1239 | if (score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda) >> 8)) | |
1240 | return 1; | |
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | static int encode_frame(AVCodecContext *c, AVFrame *frame) | |
1245 | { | |
1246 | AVPacket pkt = { 0 }; | |
1247 | int ret, got_output; | |
1248 | ||
1249 | av_init_packet(&pkt); | |
1250 | ret = avcodec_encode_video2(c, &pkt, frame, &got_output); | |
1251 | if (ret < 0) | |
1252 | return ret; | |
1253 | ||
1254 | ret = pkt.size; | |
1255 | av_free_packet(&pkt); | |
1256 | return ret; | |
1257 | } | |
1258 | ||
1259 | static int estimate_best_b_count(MpegEncContext *s) | |
1260 | { | |
1261 | AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id); | |
1262 | AVCodecContext *c = avcodec_alloc_context3(NULL); | |
1263 | const int scale = s->avctx->brd_scale; | |
1264 | int i, j, out_size, p_lambda, b_lambda, lambda2; | |
1265 | int64_t best_rd = INT64_MAX; | |
1266 | int best_b_count = -1; | |
1267 | ||
1268 | av_assert0(scale >= 0 && scale <= 3); | |
1269 | ||
1270 | //emms_c(); | |
1271 | //s->next_picture_ptr->quality; | |
1272 | p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P]; | |
1273 | //p_lambda * FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset; | |
1274 | b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B]; | |
1275 | if (!b_lambda) // FIXME we should do this somewhere else | |
1276 | b_lambda = p_lambda; | |
1277 | lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >> | |
1278 | FF_LAMBDA_SHIFT; | |
1279 | ||
1280 | c->width = s->width >> scale; | |
1281 | c->height = s->height >> scale; | |
1282 | c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR; | |
1283 | c->flags |= s->avctx->flags & CODEC_FLAG_QPEL; | |
1284 | c->mb_decision = s->avctx->mb_decision; | |
1285 | c->me_cmp = s->avctx->me_cmp; | |
1286 | c->mb_cmp = s->avctx->mb_cmp; | |
1287 | c->me_sub_cmp = s->avctx->me_sub_cmp; | |
1288 | c->pix_fmt = AV_PIX_FMT_YUV420P; | |
1289 | c->time_base = s->avctx->time_base; | |
1290 | c->max_b_frames = s->max_b_frames; | |
1291 | ||
1292 | if (avcodec_open2(c, codec, NULL) < 0) | |
1293 | return -1; | |
1294 | ||
1295 | for (i = 0; i < s->max_b_frames + 2; i++) { | |
1296 | Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] : | |
1297 | s->next_picture_ptr; | |
1298 | uint8_t *data[4]; | |
1299 | ||
1300 | if (pre_input_ptr && (!i || s->input_picture[i - 1])) { | |
1301 | pre_input = *pre_input_ptr; | |
1302 | memcpy(data, pre_input_ptr->f->data, sizeof(data)); | |
1303 | ||
1304 | if (!pre_input.shared && i) { | |
1305 | data[0] += INPLACE_OFFSET; | |
1306 | data[1] += INPLACE_OFFSET; | |
1307 | data[2] += INPLACE_OFFSET; | |
1308 | } | |
1309 | ||
1310 | s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[0], | |
1311 | s->tmp_frames[i]->linesize[0], | |
1312 | data[0], | |
1313 | pre_input.f->linesize[0], | |
1314 | c->width, c->height); | |
1315 | s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[1], | |
1316 | s->tmp_frames[i]->linesize[1], | |
1317 | data[1], | |
1318 | pre_input.f->linesize[1], | |
1319 | c->width >> 1, c->height >> 1); | |
1320 | s->mpvencdsp.shrink[scale](s->tmp_frames[i]->data[2], | |
1321 | s->tmp_frames[i]->linesize[2], | |
1322 | data[2], | |
1323 | pre_input.f->linesize[2], | |
1324 | c->width >> 1, c->height >> 1); | |
1325 | } | |
1326 | } | |
1327 | ||
1328 | for (j = 0; j < s->max_b_frames + 1; j++) { | |
1329 | int64_t rd = 0; | |
1330 | ||
1331 | if (!s->input_picture[j]) | |
1332 | break; | |
1333 | ||
1334 | c->error[0] = c->error[1] = c->error[2] = 0; | |
1335 | ||
1336 | s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I; | |
1337 | s->tmp_frames[0]->quality = 1 * FF_QP2LAMBDA; | |
1338 | ||
1339 | out_size = encode_frame(c, s->tmp_frames[0]); | |
1340 | ||
1341 | //rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT; | |
1342 | ||
1343 | for (i = 0; i < s->max_b_frames + 1; i++) { | |
1344 | int is_p = i % (j + 1) == j || i == s->max_b_frames; | |
1345 | ||
1346 | s->tmp_frames[i + 1]->pict_type = is_p ? | |
1347 | AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B; | |
1348 | s->tmp_frames[i + 1]->quality = is_p ? p_lambda : b_lambda; | |
1349 | ||
1350 | out_size = encode_frame(c, s->tmp_frames[i + 1]); | |
1351 | ||
1352 | rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); | |
1353 | } | |
1354 | ||
1355 | /* get the delayed frames */ | |
1356 | while (out_size) { | |
1357 | out_size = encode_frame(c, NULL); | |
1358 | rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3); | |
1359 | } | |
1360 | ||
1361 | rd += c->error[0] + c->error[1] + c->error[2]; | |
1362 | ||
1363 | if (rd < best_rd) { | |
1364 | best_rd = rd; | |
1365 | best_b_count = j; | |
1366 | } | |
1367 | } | |
1368 | ||
1369 | avcodec_close(c); | |
1370 | av_freep(&c); | |
1371 | ||
1372 | return best_b_count; | |
1373 | } | |
1374 | ||
1375 | static int select_input_picture(MpegEncContext *s) | |
1376 | { | |
1377 | int i, ret; | |
1378 | ||
1379 | for (i = 1; i < MAX_PICTURE_COUNT; i++) | |
1380 | s->reordered_input_picture[i - 1] = s->reordered_input_picture[i]; | |
1381 | s->reordered_input_picture[MAX_PICTURE_COUNT - 1] = NULL; | |
1382 | ||
1383 | /* set next picture type & ordering */ | |
1384 | if (!s->reordered_input_picture[0] && s->input_picture[0]) { | |
1385 | if (s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor) { | |
1386 | if (s->picture_in_gop_number < s->gop_size && | |
1387 | s->next_picture_ptr && | |
1388 | skip_check(s, s->input_picture[0], s->next_picture_ptr)) { | |
1389 | // FIXME check that te gop check above is +-1 correct | |
1390 | av_frame_unref(s->input_picture[0]->f); | |
1391 | ||
1392 | ff_vbv_update(s, 0); | |
1393 | ||
1394 | goto no_output_pic; | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | if (/*s->picture_in_gop_number >= s->gop_size ||*/ | |
1399 | !s->next_picture_ptr || s->intra_only) { | |
1400 | s->reordered_input_picture[0] = s->input_picture[0]; | |
1401 | s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_I; | |
1402 | s->reordered_input_picture[0]->f->coded_picture_number = | |
1403 | s->coded_picture_number++; | |
1404 | } else { | |
1405 | int b_frames; | |
1406 | ||
1407 | if (s->flags & CODEC_FLAG_PASS2) { | |
1408 | for (i = 0; i < s->max_b_frames + 1; i++) { | |
1409 | int pict_num = s->input_picture[0]->f->display_picture_number + i; | |
1410 | ||
1411 | if (pict_num >= s->rc_context.num_entries) | |
1412 | break; | |
1413 | if (!s->input_picture[i]) { | |
1414 | s->rc_context.entry[pict_num - 1].new_pict_type = AV_PICTURE_TYPE_P; | |
1415 | break; | |
1416 | } | |
1417 | ||
1418 | s->input_picture[i]->f->pict_type = | |
1419 | s->rc_context.entry[pict_num].new_pict_type; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | if (s->avctx->b_frame_strategy == 0) { | |
1424 | b_frames = s->max_b_frames; | |
1425 | while (b_frames && !s->input_picture[b_frames]) | |
1426 | b_frames--; | |
1427 | } else if (s->avctx->b_frame_strategy == 1) { | |
1428 | for (i = 1; i < s->max_b_frames + 1; i++) { | |
1429 | if (s->input_picture[i] && | |
1430 | s->input_picture[i]->b_frame_score == 0) { | |
1431 | s->input_picture[i]->b_frame_score = | |
1432 | get_intra_count(s, | |
1433 | s->input_picture[i ]->f->data[0], | |
1434 | s->input_picture[i - 1]->f->data[0], | |
1435 | s->linesize) + 1; | |
1436 | } | |
1437 | } | |
1438 | for (i = 0; i < s->max_b_frames + 1; i++) { | |
1439 | if (!s->input_picture[i] || | |
1440 | s->input_picture[i]->b_frame_score - 1 > | |
1441 | s->mb_num / s->avctx->b_sensitivity) | |
1442 | break; | |
1443 | } | |
1444 | ||
1445 | b_frames = FFMAX(0, i - 1); | |
1446 | ||
1447 | /* reset scores */ | |
1448 | for (i = 0; i < b_frames + 1; i++) { | |
1449 | s->input_picture[i]->b_frame_score = 0; | |
1450 | } | |
1451 | } else if (s->avctx->b_frame_strategy == 2) { | |
1452 | b_frames = estimate_best_b_count(s); | |
1453 | } else { | |
1454 | av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n"); | |
1455 | b_frames = 0; | |
1456 | } | |
1457 | ||
1458 | emms_c(); | |
1459 | ||
1460 | for (i = b_frames - 1; i >= 0; i--) { | |
1461 | int type = s->input_picture[i]->f->pict_type; | |
1462 | if (type && type != AV_PICTURE_TYPE_B) | |
1463 | b_frames = i; | |
1464 | } | |
1465 | if (s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_B && | |
1466 | b_frames == s->max_b_frames) { | |
1467 | av_log(s->avctx, AV_LOG_ERROR, | |
1468 | "warning, too many b frames in a row\n"); | |
1469 | } | |
1470 | ||
1471 | if (s->picture_in_gop_number + b_frames >= s->gop_size) { | |
1472 | if ((s->mpv_flags & FF_MPV_FLAG_STRICT_GOP) && | |
1473 | s->gop_size > s->picture_in_gop_number) { | |
1474 | b_frames = s->gop_size - s->picture_in_gop_number - 1; | |
1475 | } else { | |
1476 | if (s->flags & CODEC_FLAG_CLOSED_GOP) | |
1477 | b_frames = 0; | |
1478 | s->input_picture[b_frames]->f->pict_type = AV_PICTURE_TYPE_I; | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | if ((s->flags & CODEC_FLAG_CLOSED_GOP) && b_frames && | |
1483 | s->input_picture[b_frames]->f->pict_type == AV_PICTURE_TYPE_I) | |
1484 | b_frames--; | |
1485 | ||
1486 | s->reordered_input_picture[0] = s->input_picture[b_frames]; | |
1487 | if (s->reordered_input_picture[0]->f->pict_type != AV_PICTURE_TYPE_I) | |
1488 | s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_P; | |
1489 | s->reordered_input_picture[0]->f->coded_picture_number = | |
1490 | s->coded_picture_number++; | |
1491 | for (i = 0; i < b_frames; i++) { | |
1492 | s->reordered_input_picture[i + 1] = s->input_picture[i]; | |
1493 | s->reordered_input_picture[i + 1]->f->pict_type = | |
1494 | AV_PICTURE_TYPE_B; | |
1495 | s->reordered_input_picture[i + 1]->f->coded_picture_number = | |
1496 | s->coded_picture_number++; | |
1497 | } | |
1498 | } | |
1499 | } | |
1500 | no_output_pic: | |
1501 | if (s->reordered_input_picture[0]) { | |
1502 | s->reordered_input_picture[0]->reference = | |
1503 | s->reordered_input_picture[0]->f->pict_type != | |
1504 | AV_PICTURE_TYPE_B ? 3 : 0; | |
1505 | ||
1506 | ff_mpeg_unref_picture(s, &s->new_picture); | |
1507 | if ((ret = ff_mpeg_ref_picture(s, &s->new_picture, s->reordered_input_picture[0]))) | |
1508 | return ret; | |
1509 | ||
1510 | if (s->reordered_input_picture[0]->shared || s->avctx->rc_buffer_size) { | |
1511 | // input is a shared pix, so we can't modifiy it -> alloc a new | |
1512 | // one & ensure that the shared one is reuseable | |
1513 | ||
1514 | Picture *pic; | |
1515 | int i = ff_find_unused_picture(s, 0); | |
1516 | if (i < 0) | |
1517 | return i; | |
1518 | pic = &s->picture[i]; | |
1519 | ||
1520 | pic->reference = s->reordered_input_picture[0]->reference; | |
1521 | if (ff_alloc_picture(s, pic, 0) < 0) { | |
1522 | return -1; | |
1523 | } | |
1524 | ||
1525 | ret = av_frame_copy_props(pic->f, s->reordered_input_picture[0]->f); | |
1526 | if (ret < 0) | |
1527 | return ret; | |
1528 | ||
1529 | /* mark us unused / free shared pic */ | |
1530 | av_frame_unref(s->reordered_input_picture[0]->f); | |
1531 | s->reordered_input_picture[0]->shared = 0; | |
1532 | ||
1533 | s->current_picture_ptr = pic; | |
1534 | } else { | |
1535 | // input is not a shared pix -> reuse buffer for current_pix | |
1536 | s->current_picture_ptr = s->reordered_input_picture[0]; | |
1537 | for (i = 0; i < 4; i++) { | |
1538 | s->new_picture.f->data[i] += INPLACE_OFFSET; | |
1539 | } | |
1540 | } | |
1541 | ff_mpeg_unref_picture(s, &s->current_picture); | |
1542 | if ((ret = ff_mpeg_ref_picture(s, &s->current_picture, | |
1543 | s->current_picture_ptr)) < 0) | |
1544 | return ret; | |
1545 | ||
1546 | s->picture_number = s->new_picture.f->display_picture_number; | |
1547 | } else { | |
1548 | ff_mpeg_unref_picture(s, &s->new_picture); | |
1549 | } | |
1550 | return 0; | |
1551 | } | |
1552 | ||
1553 | static void frame_end(MpegEncContext *s) | |
1554 | { | |
1555 | if (s->unrestricted_mv && | |
1556 | s->current_picture.reference && | |
1557 | !s->intra_only) { | |
1558 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt); | |
1559 | int hshift = desc->log2_chroma_w; | |
1560 | int vshift = desc->log2_chroma_h; | |
1561 | s->mpvencdsp.draw_edges(s->current_picture.f->data[0], | |
1562 | s->current_picture.f->linesize[0], | |
1563 | s->h_edge_pos, s->v_edge_pos, | |
1564 | EDGE_WIDTH, EDGE_WIDTH, | |
1565 | EDGE_TOP | EDGE_BOTTOM); | |
1566 | s->mpvencdsp.draw_edges(s->current_picture.f->data[1], | |
1567 | s->current_picture.f->linesize[1], | |
1568 | s->h_edge_pos >> hshift, | |
1569 | s->v_edge_pos >> vshift, | |
1570 | EDGE_WIDTH >> hshift, | |
1571 | EDGE_WIDTH >> vshift, | |
1572 | EDGE_TOP | EDGE_BOTTOM); | |
1573 | s->mpvencdsp.draw_edges(s->current_picture.f->data[2], | |
1574 | s->current_picture.f->linesize[2], | |
1575 | s->h_edge_pos >> hshift, | |
1576 | s->v_edge_pos >> vshift, | |
1577 | EDGE_WIDTH >> hshift, | |
1578 | EDGE_WIDTH >> vshift, | |
1579 | EDGE_TOP | EDGE_BOTTOM); | |
1580 | } | |
1581 | ||
1582 | emms_c(); | |
1583 | ||
1584 | s->last_pict_type = s->pict_type; | |
1585 | s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f->quality; | |
1586 | if (s->pict_type!= AV_PICTURE_TYPE_B) | |
1587 | s->last_non_b_pict_type = s->pict_type; | |
1588 | ||
1589 | s->avctx->coded_frame = s->current_picture_ptr->f; | |
1590 | ||
1591 | } | |
1592 | ||
1593 | static void update_noise_reduction(MpegEncContext *s) | |
1594 | { | |
1595 | int intra, i; | |
1596 | ||
1597 | for (intra = 0; intra < 2; intra++) { | |
1598 | if (s->dct_count[intra] > (1 << 16)) { | |
1599 | for (i = 0; i < 64; i++) { | |
1600 | s->dct_error_sum[intra][i] >>= 1; | |
1601 | } | |
1602 | s->dct_count[intra] >>= 1; | |
1603 | } | |
1604 | ||
1605 | for (i = 0; i < 64; i++) { | |
1606 | s->dct_offset[intra][i] = (s->avctx->noise_reduction * | |
1607 | s->dct_count[intra] + | |
1608 | s->dct_error_sum[intra][i] / 2) / | |
1609 | (s->dct_error_sum[intra][i] + 1); | |
1610 | } | |
1611 | } | |
1612 | } | |
1613 | ||
1614 | static int frame_start(MpegEncContext *s) | |
1615 | { | |
1616 | int ret; | |
1617 | ||
1618 | /* mark & release old frames */ | |
1619 | if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr && | |
1620 | s->last_picture_ptr != s->next_picture_ptr && | |
1621 | s->last_picture_ptr->f->buf[0]) { | |
1622 | ff_mpeg_unref_picture(s, s->last_picture_ptr); | |
1623 | } | |
1624 | ||
1625 | s->current_picture_ptr->f->pict_type = s->pict_type; | |
1626 | s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I; | |
1627 | ||
1628 | ff_mpeg_unref_picture(s, &s->current_picture); | |
1629 | if ((ret = ff_mpeg_ref_picture(s, &s->current_picture, | |
1630 | s->current_picture_ptr)) < 0) | |
1631 | return ret; | |
1632 | ||
1633 | if (s->pict_type != AV_PICTURE_TYPE_B) { | |
1634 | s->last_picture_ptr = s->next_picture_ptr; | |
1635 | if (!s->droppable) | |
1636 | s->next_picture_ptr = s->current_picture_ptr; | |
1637 | } | |
1638 | ||
1639 | if (s->last_picture_ptr) { | |
1640 | ff_mpeg_unref_picture(s, &s->last_picture); | |
1641 | if (s->last_picture_ptr->f->buf[0] && | |
1642 | (ret = ff_mpeg_ref_picture(s, &s->last_picture, | |
1643 | s->last_picture_ptr)) < 0) | |
1644 | return ret; | |
1645 | } | |
1646 | if (s->next_picture_ptr) { | |
1647 | ff_mpeg_unref_picture(s, &s->next_picture); | |
1648 | if (s->next_picture_ptr->f->buf[0] && | |
1649 | (ret = ff_mpeg_ref_picture(s, &s->next_picture, | |
1650 | s->next_picture_ptr)) < 0) | |
1651 | return ret; | |
1652 | } | |
1653 | ||
1654 | if (s->picture_structure!= PICT_FRAME) { | |
1655 | int i; | |
1656 | for (i = 0; i < 4; i++) { | |
1657 | if (s->picture_structure == PICT_BOTTOM_FIELD) { | |
1658 | s->current_picture.f->data[i] += | |
1659 | s->current_picture.f->linesize[i]; | |
1660 | } | |
1661 | s->current_picture.f->linesize[i] *= 2; | |
1662 | s->last_picture.f->linesize[i] *= 2; | |
1663 | s->next_picture.f->linesize[i] *= 2; | |
1664 | } | |
1665 | } | |
1666 | ||
1667 | if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { | |
1668 | s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra; | |
1669 | s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; | |
1670 | } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { | |
1671 | s->dct_unquantize_intra = s->dct_unquantize_h263_intra; | |
1672 | s->dct_unquantize_inter = s->dct_unquantize_h263_inter; | |
1673 | } else { | |
1674 | s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra; | |
1675 | s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter; | |
1676 | } | |
1677 | ||
1678 | if (s->dct_error_sum) { | |
1679 | av_assert2(s->avctx->noise_reduction && s->encoding); | |
1680 | update_noise_reduction(s); | |
1681 | } | |
1682 | ||
1683 | return 0; | |
1684 | } | |
1685 | ||
1686 | int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt, | |
1687 | const AVFrame *pic_arg, int *got_packet) | |
1688 | { | |
1689 | MpegEncContext *s = avctx->priv_data; | |
1690 | int i, stuffing_count, ret; | |
1691 | int context_count = s->slice_context_count; | |
1692 | ||
1693 | s->picture_in_gop_number++; | |
1694 | ||
1695 | if (load_input_picture(s, pic_arg) < 0) | |
1696 | return -1; | |
1697 | ||
1698 | if (select_input_picture(s) < 0) { | |
1699 | return -1; | |
1700 | } | |
1701 | ||
1702 | /* output? */ | |
1703 | if (s->new_picture.f->data[0]) { | |
1704 | if ((ret = ff_alloc_packet2(avctx, pkt, s->mb_width*s->mb_height*(MAX_MB_BYTES+100)+10000)) < 0) | |
1705 | return ret; | |
1706 | if (s->mb_info) { | |
1707 | s->mb_info_ptr = av_packet_new_side_data(pkt, | |
1708 | AV_PKT_DATA_H263_MB_INFO, | |
1709 | s->mb_width*s->mb_height*12); | |
1710 | s->prev_mb_info = s->last_mb_info = s->mb_info_size = 0; | |
1711 | } | |
1712 | ||
1713 | for (i = 0; i < context_count; i++) { | |
1714 | int start_y = s->thread_context[i]->start_mb_y; | |
1715 | int end_y = s->thread_context[i]-> end_mb_y; | |
1716 | int h = s->mb_height; | |
1717 | uint8_t *start = pkt->data + (size_t)(((int64_t) pkt->size) * start_y / h); | |
1718 | uint8_t *end = pkt->data + (size_t)(((int64_t) pkt->size) * end_y / h); | |
1719 | ||
1720 | init_put_bits(&s->thread_context[i]->pb, start, end - start); | |
1721 | } | |
1722 | ||
1723 | s->pict_type = s->new_picture.f->pict_type; | |
1724 | //emms_c(); | |
1725 | ret = frame_start(s); | |
1726 | if (ret < 0) | |
1727 | return ret; | |
1728 | vbv_retry: | |
1729 | if (encode_picture(s, s->picture_number) < 0) | |
1730 | return -1; | |
1731 | ||
1732 | avctx->header_bits = s->header_bits; | |
1733 | avctx->mv_bits = s->mv_bits; | |
1734 | avctx->misc_bits = s->misc_bits; | |
1735 | avctx->i_tex_bits = s->i_tex_bits; | |
1736 | avctx->p_tex_bits = s->p_tex_bits; | |
1737 | avctx->i_count = s->i_count; | |
1738 | // FIXME f/b_count in avctx | |
1739 | avctx->p_count = s->mb_num - s->i_count - s->skip_count; | |
1740 | avctx->skip_count = s->skip_count; | |
1741 | ||
1742 | frame_end(s); | |
1743 | ||
1744 | if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG) | |
1745 | ff_mjpeg_encode_picture_trailer(&s->pb, s->header_bits); | |
1746 | ||
1747 | if (avctx->rc_buffer_size) { | |
1748 | RateControlContext *rcc = &s->rc_context; | |
1749 | int max_size = rcc->buffer_index * avctx->rc_max_available_vbv_use; | |
1750 | ||
1751 | if (put_bits_count(&s->pb) > max_size && | |
1752 | s->lambda < s->avctx->lmax) { | |
1753 | s->next_lambda = FFMAX(s->lambda + 1, s->lambda * | |
1754 | (s->qscale + 1) / s->qscale); | |
1755 | if (s->adaptive_quant) { | |
1756 | int i; | |
1757 | for (i = 0; i < s->mb_height * s->mb_stride; i++) | |
1758 | s->lambda_table[i] = | |
1759 | FFMAX(s->lambda_table[i] + 1, | |
1760 | s->lambda_table[i] * (s->qscale + 1) / | |
1761 | s->qscale); | |
1762 | } | |
1763 | s->mb_skipped = 0; // done in frame_start() | |
1764 | // done in encode_picture() so we must undo it | |
1765 | if (s->pict_type == AV_PICTURE_TYPE_P) { | |
1766 | if (s->flipflop_rounding || | |
1767 | s->codec_id == AV_CODEC_ID_H263P || | |
1768 | s->codec_id == AV_CODEC_ID_MPEG4) | |
1769 | s->no_rounding ^= 1; | |
1770 | } | |
1771 | if (s->pict_type != AV_PICTURE_TYPE_B) { | |
1772 | s->time_base = s->last_time_base; | |
1773 | s->last_non_b_time = s->time - s->pp_time; | |
1774 | } | |
1775 | for (i = 0; i < context_count; i++) { | |
1776 | PutBitContext *pb = &s->thread_context[i]->pb; | |
1777 | init_put_bits(pb, pb->buf, pb->buf_end - pb->buf); | |
1778 | } | |
1779 | goto vbv_retry; | |
1780 | } | |
1781 | ||
1782 | av_assert0(s->avctx->rc_max_rate); | |
1783 | } | |
1784 | ||
1785 | if (s->flags & CODEC_FLAG_PASS1) | |
1786 | ff_write_pass1_stats(s); | |
1787 | ||
1788 | for (i = 0; i < 4; i++) { | |
1789 | s->current_picture_ptr->f->error[i] = | |
1790 | s->current_picture.f->error[i] = | |
1791 | s->current_picture.error[i]; | |
1792 | avctx->error[i] += s->current_picture_ptr->f->error[i]; | |
1793 | } | |
1794 | ||
1795 | if (s->flags & CODEC_FLAG_PASS1) | |
1796 | assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits + | |
1797 | avctx->i_tex_bits + avctx->p_tex_bits == | |
1798 | put_bits_count(&s->pb)); | |
1799 | flush_put_bits(&s->pb); | |
1800 | s->frame_bits = put_bits_count(&s->pb); | |
1801 | ||
1802 | stuffing_count = ff_vbv_update(s, s->frame_bits); | |
1803 | s->stuffing_bits = 8*stuffing_count; | |
1804 | if (stuffing_count) { | |
1805 | if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < | |
1806 | stuffing_count + 50) { | |
1807 | av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n"); | |
1808 | return -1; | |
1809 | } | |
1810 | ||
1811 | switch (s->codec_id) { | |
1812 | case AV_CODEC_ID_MPEG1VIDEO: | |
1813 | case AV_CODEC_ID_MPEG2VIDEO: | |
1814 | while (stuffing_count--) { | |
1815 | put_bits(&s->pb, 8, 0); | |
1816 | } | |
1817 | break; | |
1818 | case AV_CODEC_ID_MPEG4: | |
1819 | put_bits(&s->pb, 16, 0); | |
1820 | put_bits(&s->pb, 16, 0x1C3); | |
1821 | stuffing_count -= 4; | |
1822 | while (stuffing_count--) { | |
1823 | put_bits(&s->pb, 8, 0xFF); | |
1824 | } | |
1825 | break; | |
1826 | default: | |
1827 | av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n"); | |
1828 | } | |
1829 | flush_put_bits(&s->pb); | |
1830 | s->frame_bits = put_bits_count(&s->pb); | |
1831 | } | |
1832 | ||
1833 | /* update mpeg1/2 vbv_delay for CBR */ | |
1834 | if (s->avctx->rc_max_rate && | |
1835 | s->avctx->rc_min_rate == s->avctx->rc_max_rate && | |
1836 | s->out_format == FMT_MPEG1 && | |
1837 | 90000LL * (avctx->rc_buffer_size - 1) <= | |
1838 | s->avctx->rc_max_rate * 0xFFFFLL) { | |
1839 | int vbv_delay, min_delay; | |
1840 | double inbits = s->avctx->rc_max_rate * | |
1841 | av_q2d(s->avctx->time_base); | |
1842 | int minbits = s->frame_bits - 8 * | |
1843 | (s->vbv_delay_ptr - s->pb.buf - 1); | |
1844 | double bits = s->rc_context.buffer_index + minbits - inbits; | |
1845 | ||
1846 | if (bits < 0) | |
1847 | av_log(s->avctx, AV_LOG_ERROR, | |
1848 | "Internal error, negative bits\n"); | |
1849 | ||
1850 | assert(s->repeat_first_field == 0); | |
1851 | ||
1852 | vbv_delay = bits * 90000 / s->avctx->rc_max_rate; | |
1853 | min_delay = (minbits * 90000LL + s->avctx->rc_max_rate - 1) / | |
1854 | s->avctx->rc_max_rate; | |
1855 | ||
1856 | vbv_delay = FFMAX(vbv_delay, min_delay); | |
1857 | ||
1858 | av_assert0(vbv_delay < 0xFFFF); | |
1859 | ||
1860 | s->vbv_delay_ptr[0] &= 0xF8; | |
1861 | s->vbv_delay_ptr[0] |= vbv_delay >> 13; | |
1862 | s->vbv_delay_ptr[1] = vbv_delay >> 5; | |
1863 | s->vbv_delay_ptr[2] &= 0x07; | |
1864 | s->vbv_delay_ptr[2] |= vbv_delay << 3; | |
1865 | avctx->vbv_delay = vbv_delay * 300; | |
1866 | } | |
1867 | s->total_bits += s->frame_bits; | |
1868 | avctx->frame_bits = s->frame_bits; | |
1869 | ||
1870 | pkt->pts = s->current_picture.f->pts; | |
1871 | if (!s->low_delay && s->pict_type != AV_PICTURE_TYPE_B) { | |
1872 | if (!s->current_picture.f->coded_picture_number) | |
1873 | pkt->dts = pkt->pts - s->dts_delta; | |
1874 | else | |
1875 | pkt->dts = s->reordered_pts; | |
1876 | s->reordered_pts = pkt->pts; | |
1877 | } else | |
1878 | pkt->dts = pkt->pts; | |
1879 | if (s->current_picture.f->key_frame) | |
1880 | pkt->flags |= AV_PKT_FLAG_KEY; | |
1881 | if (s->mb_info) | |
1882 | av_packet_shrink_side_data(pkt, AV_PKT_DATA_H263_MB_INFO, s->mb_info_size); | |
1883 | } else { | |
1884 | s->frame_bits = 0; | |
1885 | } | |
1886 | ||
1887 | /* release non-reference frames */ | |
1888 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1889 | if (!s->picture[i].reference) | |
1890 | ff_mpeg_unref_picture(s, &s->picture[i]); | |
1891 | } | |
1892 | ||
1893 | av_assert1((s->frame_bits & 7) == 0); | |
1894 | ||
1895 | pkt->size = s->frame_bits / 8; | |
1896 | *got_packet = !!pkt->size; | |
1897 | return 0; | |
1898 | } | |
1899 | ||
1900 | static inline void dct_single_coeff_elimination(MpegEncContext *s, | |
1901 | int n, int threshold) | |
1902 | { | |
1903 | static const char tab[64] = { | |
1904 | 3, 2, 2, 1, 1, 1, 1, 1, | |
1905 | 1, 1, 1, 1, 1, 1, 1, 1, | |
1906 | 1, 1, 1, 1, 1, 1, 1, 1, | |
1907 | 0, 0, 0, 0, 0, 0, 0, 0, | |
1908 | 0, 0, 0, 0, 0, 0, 0, 0, | |
1909 | 0, 0, 0, 0, 0, 0, 0, 0, | |
1910 | 0, 0, 0, 0, 0, 0, 0, 0, | |
1911 | 0, 0, 0, 0, 0, 0, 0, 0 | |
1912 | }; | |
1913 | int score = 0; | |
1914 | int run = 0; | |
1915 | int i; | |
1916 | int16_t *block = s->block[n]; | |
1917 | const int last_index = s->block_last_index[n]; | |
1918 | int skip_dc; | |
1919 | ||
1920 | if (threshold < 0) { | |
1921 | skip_dc = 0; | |
1922 | threshold = -threshold; | |
1923 | } else | |
1924 | skip_dc = 1; | |
1925 | ||
1926 | /* Are all we could set to zero already zero? */ | |
1927 | if (last_index <= skip_dc - 1) | |
1928 | return; | |
1929 | ||
1930 | for (i = 0; i <= last_index; i++) { | |
1931 | const int j = s->intra_scantable.permutated[i]; | |
1932 | const int level = FFABS(block[j]); | |
1933 | if (level == 1) { | |
1934 | if (skip_dc && i == 0) | |
1935 | continue; | |
1936 | score += tab[run]; | |
1937 | run = 0; | |
1938 | } else if (level > 1) { | |
1939 | return; | |
1940 | } else { | |
1941 | run++; | |
1942 | } | |
1943 | } | |
1944 | if (score >= threshold) | |
1945 | return; | |
1946 | for (i = skip_dc; i <= last_index; i++) { | |
1947 | const int j = s->intra_scantable.permutated[i]; | |
1948 | block[j] = 0; | |
1949 | } | |
1950 | if (block[0]) | |
1951 | s->block_last_index[n] = 0; | |
1952 | else | |
1953 | s->block_last_index[n] = -1; | |
1954 | } | |
1955 | ||
1956 | static inline void clip_coeffs(MpegEncContext *s, int16_t *block, | |
1957 | int last_index) | |
1958 | { | |
1959 | int i; | |
1960 | const int maxlevel = s->max_qcoeff; | |
1961 | const int minlevel = s->min_qcoeff; | |
1962 | int overflow = 0; | |
1963 | ||
1964 | if (s->mb_intra) { | |
1965 | i = 1; // skip clipping of intra dc | |
1966 | } else | |
1967 | i = 0; | |
1968 | ||
1969 | for (; i <= last_index; i++) { | |
1970 | const int j = s->intra_scantable.permutated[i]; | |
1971 | int level = block[j]; | |
1972 | ||
1973 | if (level > maxlevel) { | |
1974 | level = maxlevel; | |
1975 | overflow++; | |
1976 | } else if (level < minlevel) { | |
1977 | level = minlevel; | |
1978 | overflow++; | |
1979 | } | |
1980 | ||
1981 | block[j] = level; | |
1982 | } | |
1983 | ||
1984 | if (overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE) | |
1985 | av_log(s->avctx, AV_LOG_INFO, | |
1986 | "warning, clipping %d dct coefficients to %d..%d\n", | |
1987 | overflow, minlevel, maxlevel); | |
1988 | } | |
1989 | ||
1990 | static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride) | |
1991 | { | |
1992 | int x, y; | |
1993 | // FIXME optimize | |
1994 | for (y = 0; y < 8; y++) { | |
1995 | for (x = 0; x < 8; x++) { | |
1996 | int x2, y2; | |
1997 | int sum = 0; | |
1998 | int sqr = 0; | |
1999 | int count = 0; | |
2000 | ||
2001 | for (y2 = FFMAX(y - 1, 0); y2 < FFMIN(8, y + 2); y2++) { | |
2002 | for (x2= FFMAX(x - 1, 0); x2 < FFMIN(8, x + 2); x2++) { | |
2003 | int v = ptr[x2 + y2 * stride]; | |
2004 | sum += v; | |
2005 | sqr += v * v; | |
2006 | count++; | |
2007 | } | |
2008 | } | |
2009 | weight[x + 8 * y]= (36 * ff_sqrt(count * sqr - sum * sum)) / count; | |
2010 | } | |
2011 | } | |
2012 | } | |
2013 | ||
2014 | static av_always_inline void encode_mb_internal(MpegEncContext *s, | |
2015 | int motion_x, int motion_y, | |
2016 | int mb_block_height, | |
2017 | int mb_block_width, | |
2018 | int mb_block_count) | |
2019 | { | |
2020 | int16_t weight[12][64]; | |
2021 | int16_t orig[12][64]; | |
2022 | const int mb_x = s->mb_x; | |
2023 | const int mb_y = s->mb_y; | |
2024 | int i; | |
2025 | int skip_dct[12]; | |
2026 | int dct_offset = s->linesize * 8; // default for progressive frames | |
2027 | int uv_dct_offset = s->uvlinesize * 8; | |
2028 | uint8_t *ptr_y, *ptr_cb, *ptr_cr; | |
2029 | ptrdiff_t wrap_y, wrap_c; | |
2030 | ||
2031 | for (i = 0; i < mb_block_count; i++) | |
2032 | skip_dct[i] = s->skipdct; | |
2033 | ||
2034 | if (s->adaptive_quant) { | |
2035 | const int last_qp = s->qscale; | |
2036 | const int mb_xy = mb_x + mb_y * s->mb_stride; | |
2037 | ||
2038 | s->lambda = s->lambda_table[mb_xy]; | |
2039 | update_qscale(s); | |
2040 | ||
2041 | if (!(s->mpv_flags & FF_MPV_FLAG_QP_RD)) { | |
2042 | s->qscale = s->current_picture_ptr->qscale_table[mb_xy]; | |
2043 | s->dquant = s->qscale - last_qp; | |
2044 | ||
2045 | if (s->out_format == FMT_H263) { | |
2046 | s->dquant = av_clip(s->dquant, -2, 2); | |
2047 | ||
2048 | if (s->codec_id == AV_CODEC_ID_MPEG4) { | |
2049 | if (!s->mb_intra) { | |
2050 | if (s->pict_type == AV_PICTURE_TYPE_B) { | |
2051 | if (s->dquant & 1 || s->mv_dir & MV_DIRECT) | |
2052 | s->dquant = 0; | |
2053 | } | |
2054 | if (s->mv_type == MV_TYPE_8X8) | |
2055 | s->dquant = 0; | |
2056 | } | |
2057 | } | |
2058 | } | |
2059 | } | |
2060 | ff_set_qscale(s, last_qp + s->dquant); | |
2061 | } else if (s->mpv_flags & FF_MPV_FLAG_QP_RD) | |
2062 | ff_set_qscale(s, s->qscale + s->dquant); | |
2063 | ||
2064 | wrap_y = s->linesize; | |
2065 | wrap_c = s->uvlinesize; | |
2066 | ptr_y = s->new_picture.f->data[0] + | |
2067 | (mb_y * 16 * wrap_y) + mb_x * 16; | |
2068 | ptr_cb = s->new_picture.f->data[1] + | |
2069 | (mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width; | |
2070 | ptr_cr = s->new_picture.f->data[2] + | |
2071 | (mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width; | |
2072 | ||
2073 | if((mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) && s->codec_id != AV_CODEC_ID_AMV){ | |
2074 | uint8_t *ebuf = s->edge_emu_buffer + 36 * wrap_y; | |
2075 | int cw = (s->width + s->chroma_x_shift) >> s->chroma_x_shift; | |
2076 | int ch = (s->height + s->chroma_y_shift) >> s->chroma_y_shift; | |
2077 | s->vdsp.emulated_edge_mc(ebuf, ptr_y, | |
2078 | wrap_y, wrap_y, | |
2079 | 16, 16, mb_x * 16, mb_y * 16, | |
2080 | s->width, s->height); | |
2081 | ptr_y = ebuf; | |
2082 | s->vdsp.emulated_edge_mc(ebuf + 16 * wrap_y, ptr_cb, | |
2083 | wrap_c, wrap_c, | |
2084 | mb_block_width, mb_block_height, | |
2085 | mb_x * mb_block_width, mb_y * mb_block_height, | |
2086 | cw, ch); | |
2087 | ptr_cb = ebuf + 16 * wrap_y; | |
2088 | s->vdsp.emulated_edge_mc(ebuf + 16 * wrap_y + 16, ptr_cr, | |
2089 | wrap_c, wrap_c, | |
2090 | mb_block_width, mb_block_height, | |
2091 | mb_x * mb_block_width, mb_y * mb_block_height, | |
2092 | cw, ch); | |
2093 | ptr_cr = ebuf + 16 * wrap_y + 16; | |
2094 | } | |
2095 | ||
2096 | if (s->mb_intra) { | |
2097 | if (s->flags & CODEC_FLAG_INTERLACED_DCT) { | |
2098 | int progressive_score, interlaced_score; | |
2099 | ||
2100 | s->interlaced_dct = 0; | |
2101 | progressive_score = s->mecc.ildct_cmp[4](s, ptr_y, NULL, wrap_y, 8) + | |
2102 | s->mecc.ildct_cmp[4](s, ptr_y + wrap_y * 8, | |
2103 | NULL, wrap_y, 8) - 400; | |
2104 | ||
2105 | if (progressive_score > 0) { | |
2106 | interlaced_score = s->mecc.ildct_cmp[4](s, ptr_y, | |
2107 | NULL, wrap_y * 2, 8) + | |
2108 | s->mecc.ildct_cmp[4](s, ptr_y + wrap_y, | |
2109 | NULL, wrap_y * 2, 8); | |
2110 | if (progressive_score > interlaced_score) { | |
2111 | s->interlaced_dct = 1; | |
2112 | ||
2113 | dct_offset = wrap_y; | |
2114 | uv_dct_offset = wrap_c; | |
2115 | wrap_y <<= 1; | |
2116 | if (s->chroma_format == CHROMA_422 || | |
2117 | s->chroma_format == CHROMA_444) | |
2118 | wrap_c <<= 1; | |
2119 | } | |
2120 | } | |
2121 | } | |
2122 | ||
2123 | s->pdsp.get_pixels(s->block[0], ptr_y, wrap_y); | |
2124 | s->pdsp.get_pixels(s->block[1], ptr_y + 8, wrap_y); | |
2125 | s->pdsp.get_pixels(s->block[2], ptr_y + dct_offset, wrap_y); | |
2126 | s->pdsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y); | |
2127 | ||
2128 | if (s->flags & CODEC_FLAG_GRAY) { | |
2129 | skip_dct[4] = 1; | |
2130 | skip_dct[5] = 1; | |
2131 | } else { | |
2132 | s->pdsp.get_pixels(s->block[4], ptr_cb, wrap_c); | |
2133 | s->pdsp.get_pixels(s->block[5], ptr_cr, wrap_c); | |
2134 | if (!s->chroma_y_shift && s->chroma_x_shift) { /* 422 */ | |
2135 | s->pdsp.get_pixels(s->block[6], ptr_cb + uv_dct_offset, wrap_c); | |
2136 | s->pdsp.get_pixels(s->block[7], ptr_cr + uv_dct_offset, wrap_c); | |
2137 | } else if (!s->chroma_y_shift && !s->chroma_x_shift) { /* 444 */ | |
2138 | s->pdsp.get_pixels(s->block[ 6], ptr_cb + 8, wrap_c); | |
2139 | s->pdsp.get_pixels(s->block[ 7], ptr_cr + 8, wrap_c); | |
2140 | s->pdsp.get_pixels(s->block[ 8], ptr_cb + uv_dct_offset, wrap_c); | |
2141 | s->pdsp.get_pixels(s->block[ 9], ptr_cr + uv_dct_offset, wrap_c); | |
2142 | s->pdsp.get_pixels(s->block[10], ptr_cb + uv_dct_offset + 8, wrap_c); | |
2143 | s->pdsp.get_pixels(s->block[11], ptr_cr + uv_dct_offset + 8, wrap_c); | |
2144 | } | |
2145 | } | |
2146 | } else { | |
2147 | op_pixels_func (*op_pix)[4]; | |
2148 | qpel_mc_func (*op_qpix)[16]; | |
2149 | uint8_t *dest_y, *dest_cb, *dest_cr; | |
2150 | ||
2151 | dest_y = s->dest[0]; | |
2152 | dest_cb = s->dest[1]; | |
2153 | dest_cr = s->dest[2]; | |
2154 | ||
2155 | if ((!s->no_rounding) || s->pict_type == AV_PICTURE_TYPE_B) { | |
2156 | op_pix = s->hdsp.put_pixels_tab; | |
2157 | op_qpix = s->qdsp.put_qpel_pixels_tab; | |
2158 | } else { | |
2159 | op_pix = s->hdsp.put_no_rnd_pixels_tab; | |
2160 | op_qpix = s->qdsp.put_no_rnd_qpel_pixels_tab; | |
2161 | } | |
2162 | ||
2163 | if (s->mv_dir & MV_DIR_FORWARD) { | |
2164 | ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 0, | |
2165 | s->last_picture.f->data, | |
2166 | op_pix, op_qpix); | |
2167 | op_pix = s->hdsp.avg_pixels_tab; | |
2168 | op_qpix = s->qdsp.avg_qpel_pixels_tab; | |
2169 | } | |
2170 | if (s->mv_dir & MV_DIR_BACKWARD) { | |
2171 | ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 1, | |
2172 | s->next_picture.f->data, | |
2173 | op_pix, op_qpix); | |
2174 | } | |
2175 | ||
2176 | if (s->flags & CODEC_FLAG_INTERLACED_DCT) { | |
2177 | int progressive_score, interlaced_score; | |
2178 | ||
2179 | s->interlaced_dct = 0; | |
2180 | progressive_score = s->mecc.ildct_cmp[0](s, dest_y, ptr_y, wrap_y, 8) + | |
2181 | s->mecc.ildct_cmp[0](s, dest_y + wrap_y * 8, | |
2182 | ptr_y + wrap_y * 8, | |
2183 | wrap_y, 8) - 400; | |
2184 | ||
2185 | if (s->avctx->ildct_cmp == FF_CMP_VSSE) | |
2186 | progressive_score -= 400; | |
2187 | ||
2188 | if (progressive_score > 0) { | |
2189 | interlaced_score = s->mecc.ildct_cmp[0](s, dest_y, ptr_y, | |
2190 | wrap_y * 2, 8) + | |
2191 | s->mecc.ildct_cmp[0](s, dest_y + wrap_y, | |
2192 | ptr_y + wrap_y, | |
2193 | wrap_y * 2, 8); | |
2194 | ||
2195 | if (progressive_score > interlaced_score) { | |
2196 | s->interlaced_dct = 1; | |
2197 | ||
2198 | dct_offset = wrap_y; | |
2199 | uv_dct_offset = wrap_c; | |
2200 | wrap_y <<= 1; | |
2201 | if (s->chroma_format == CHROMA_422) | |
2202 | wrap_c <<= 1; | |
2203 | } | |
2204 | } | |
2205 | } | |
2206 | ||
2207 | s->pdsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y); | |
2208 | s->pdsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y); | |
2209 | s->pdsp.diff_pixels(s->block[2], ptr_y + dct_offset, | |
2210 | dest_y + dct_offset, wrap_y); | |
2211 | s->pdsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, | |
2212 | dest_y + dct_offset + 8, wrap_y); | |
2213 | ||
2214 | if (s->flags & CODEC_FLAG_GRAY) { | |
2215 | skip_dct[4] = 1; | |
2216 | skip_dct[5] = 1; | |
2217 | } else { | |
2218 | s->pdsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c); | |
2219 | s->pdsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c); | |
2220 | if (!s->chroma_y_shift) { /* 422 */ | |
2221 | s->pdsp.diff_pixels(s->block[6], ptr_cb + uv_dct_offset, | |
2222 | dest_cb + uv_dct_offset, wrap_c); | |
2223 | s->pdsp.diff_pixels(s->block[7], ptr_cr + uv_dct_offset, | |
2224 | dest_cr + uv_dct_offset, wrap_c); | |
2225 | } | |
2226 | } | |
2227 | /* pre quantization */ | |
2228 | if (s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] < | |
2229 | 2 * s->qscale * s->qscale) { | |
2230 | // FIXME optimize | |
2231 | if (s->mecc.sad[1](NULL, ptr_y, dest_y, wrap_y, 8) < 20 * s->qscale) | |
2232 | skip_dct[0] = 1; | |
2233 | if (s->mecc.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20 * s->qscale) | |
2234 | skip_dct[1] = 1; | |
2235 | if (s->mecc.sad[1](NULL, ptr_y + dct_offset, dest_y + dct_offset, | |
2236 | wrap_y, 8) < 20 * s->qscale) | |
2237 | skip_dct[2] = 1; | |
2238 | if (s->mecc.sad[1](NULL, ptr_y + dct_offset + 8, dest_y + dct_offset + 8, | |
2239 | wrap_y, 8) < 20 * s->qscale) | |
2240 | skip_dct[3] = 1; | |
2241 | if (s->mecc.sad[1](NULL, ptr_cb, dest_cb, wrap_c, 8) < 20 * s->qscale) | |
2242 | skip_dct[4] = 1; | |
2243 | if (s->mecc.sad[1](NULL, ptr_cr, dest_cr, wrap_c, 8) < 20 * s->qscale) | |
2244 | skip_dct[5] = 1; | |
2245 | if (!s->chroma_y_shift) { /* 422 */ | |
2246 | if (s->mecc.sad[1](NULL, ptr_cb + uv_dct_offset, | |
2247 | dest_cb + uv_dct_offset, | |
2248 | wrap_c, 8) < 20 * s->qscale) | |
2249 | skip_dct[6] = 1; | |
2250 | if (s->mecc.sad[1](NULL, ptr_cr + uv_dct_offset, | |
2251 | dest_cr + uv_dct_offset, | |
2252 | wrap_c, 8) < 20 * s->qscale) | |
2253 | skip_dct[7] = 1; | |
2254 | } | |
2255 | } | |
2256 | } | |
2257 | ||
2258 | if (s->quantizer_noise_shaping) { | |
2259 | if (!skip_dct[0]) | |
2260 | get_visual_weight(weight[0], ptr_y , wrap_y); | |
2261 | if (!skip_dct[1]) | |
2262 | get_visual_weight(weight[1], ptr_y + 8, wrap_y); | |
2263 | if (!skip_dct[2]) | |
2264 | get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y); | |
2265 | if (!skip_dct[3]) | |
2266 | get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y); | |
2267 | if (!skip_dct[4]) | |
2268 | get_visual_weight(weight[4], ptr_cb , wrap_c); | |
2269 | if (!skip_dct[5]) | |
2270 | get_visual_weight(weight[5], ptr_cr , wrap_c); | |
2271 | if (!s->chroma_y_shift) { /* 422 */ | |
2272 | if (!skip_dct[6]) | |
2273 | get_visual_weight(weight[6], ptr_cb + uv_dct_offset, | |
2274 | wrap_c); | |
2275 | if (!skip_dct[7]) | |
2276 | get_visual_weight(weight[7], ptr_cr + uv_dct_offset, | |
2277 | wrap_c); | |
2278 | } | |
2279 | memcpy(orig[0], s->block[0], sizeof(int16_t) * 64 * mb_block_count); | |
2280 | } | |
2281 | ||
2282 | /* DCT & quantize */ | |
2283 | av_assert2(s->out_format != FMT_MJPEG || s->qscale == 8); | |
2284 | { | |
2285 | for (i = 0; i < mb_block_count; i++) { | |
2286 | if (!skip_dct[i]) { | |
2287 | int overflow; | |
2288 | s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow); | |
2289 | // FIXME we could decide to change to quantizer instead of | |
2290 | // clipping | |
2291 | // JS: I don't think that would be a good idea it could lower | |
2292 | // quality instead of improve it. Just INTRADC clipping | |
2293 | // deserves changes in quantizer | |
2294 | if (overflow) | |
2295 | clip_coeffs(s, s->block[i], s->block_last_index[i]); | |
2296 | } else | |
2297 | s->block_last_index[i] = -1; | |
2298 | } | |
2299 | if (s->quantizer_noise_shaping) { | |
2300 | for (i = 0; i < mb_block_count; i++) { | |
2301 | if (!skip_dct[i]) { | |
2302 | s->block_last_index[i] = | |
2303 | dct_quantize_refine(s, s->block[i], weight[i], | |
2304 | orig[i], i, s->qscale); | |
2305 | } | |
2306 | } | |
2307 | } | |
2308 | ||
2309 | if (s->luma_elim_threshold && !s->mb_intra) | |
2310 | for (i = 0; i < 4; i++) | |
2311 | dct_single_coeff_elimination(s, i, s->luma_elim_threshold); | |
2312 | if (s->chroma_elim_threshold && !s->mb_intra) | |
2313 | for (i = 4; i < mb_block_count; i++) | |
2314 | dct_single_coeff_elimination(s, i, s->chroma_elim_threshold); | |
2315 | ||
2316 | if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) { | |
2317 | for (i = 0; i < mb_block_count; i++) { | |
2318 | if (s->block_last_index[i] == -1) | |
2319 | s->coded_score[i] = INT_MAX / 256; | |
2320 | } | |
2321 | } | |
2322 | } | |
2323 | ||
2324 | if ((s->flags & CODEC_FLAG_GRAY) && s->mb_intra) { | |
2325 | s->block_last_index[4] = | |
2326 | s->block_last_index[5] = 0; | |
2327 | s->block[4][0] = | |
2328 | s->block[5][0] = (1024 + s->c_dc_scale / 2) / s->c_dc_scale; | |
2329 | if (!s->chroma_y_shift) { /* 422 / 444 */ | |
2330 | for (i=6; i<12; i++) { | |
2331 | s->block_last_index[i] = 0; | |
2332 | s->block[i][0] = s->block[4][0]; | |
2333 | } | |
2334 | } | |
2335 | } | |
2336 | ||
2337 | // non c quantize code returns incorrect block_last_index FIXME | |
2338 | if (s->alternate_scan && s->dct_quantize != ff_dct_quantize_c) { | |
2339 | for (i = 0; i < mb_block_count; i++) { | |
2340 | int j; | |
2341 | if (s->block_last_index[i] > 0) { | |
2342 | for (j = 63; j > 0; j--) { | |
2343 | if (s->block[i][s->intra_scantable.permutated[j]]) | |
2344 | break; | |
2345 | } | |
2346 | s->block_last_index[i] = j; | |
2347 | } | |
2348 | } | |
2349 | } | |
2350 | ||
2351 | /* huffman encode */ | |
2352 | switch(s->codec_id){ //FIXME funct ptr could be slightly faster | |
2353 | case AV_CODEC_ID_MPEG1VIDEO: | |
2354 | case AV_CODEC_ID_MPEG2VIDEO: | |
2355 | if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) | |
2356 | ff_mpeg1_encode_mb(s, s->block, motion_x, motion_y); | |
2357 | break; | |
2358 | case AV_CODEC_ID_MPEG4: | |
2359 | if (CONFIG_MPEG4_ENCODER) | |
2360 | ff_mpeg4_encode_mb(s, s->block, motion_x, motion_y); | |
2361 | break; | |
2362 | case AV_CODEC_ID_MSMPEG4V2: | |
2363 | case AV_CODEC_ID_MSMPEG4V3: | |
2364 | case AV_CODEC_ID_WMV1: | |
2365 | if (CONFIG_MSMPEG4_ENCODER) | |
2366 | ff_msmpeg4_encode_mb(s, s->block, motion_x, motion_y); | |
2367 | break; | |
2368 | case AV_CODEC_ID_WMV2: | |
2369 | if (CONFIG_WMV2_ENCODER) | |
2370 | ff_wmv2_encode_mb(s, s->block, motion_x, motion_y); | |
2371 | break; | |
2372 | case AV_CODEC_ID_H261: | |
2373 | if (CONFIG_H261_ENCODER) | |
2374 | ff_h261_encode_mb(s, s->block, motion_x, motion_y); | |
2375 | break; | |
2376 | case AV_CODEC_ID_H263: | |
2377 | case AV_CODEC_ID_H263P: | |
2378 | case AV_CODEC_ID_FLV1: | |
2379 | case AV_CODEC_ID_RV10: | |
2380 | case AV_CODEC_ID_RV20: | |
2381 | if (CONFIG_H263_ENCODER) | |
2382 | ff_h263_encode_mb(s, s->block, motion_x, motion_y); | |
2383 | break; | |
2384 | case AV_CODEC_ID_MJPEG: | |
2385 | case AV_CODEC_ID_AMV: | |
2386 | if (CONFIG_MJPEG_ENCODER) | |
2387 | ff_mjpeg_encode_mb(s, s->block); | |
2388 | break; | |
2389 | default: | |
2390 | av_assert1(0); | |
2391 | } | |
2392 | } | |
2393 | ||
2394 | static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y) | |
2395 | { | |
2396 | if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 8, 6); | |
2397 | else if (s->chroma_format == CHROMA_422) encode_mb_internal(s, motion_x, motion_y, 16, 8, 8); | |
2398 | else encode_mb_internal(s, motion_x, motion_y, 16, 16, 12); | |
2399 | } | |
2400 | ||
2401 | static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){ | |
2402 | int i; | |
2403 | ||
2404 | memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop? | |
2405 | ||
2406 | /* mpeg1 */ | |
2407 | d->mb_skip_run= s->mb_skip_run; | |
2408 | for(i=0; i<3; i++) | |
2409 | d->last_dc[i] = s->last_dc[i]; | |
2410 | ||
2411 | /* statistics */ | |
2412 | d->mv_bits= s->mv_bits; | |
2413 | d->i_tex_bits= s->i_tex_bits; | |
2414 | d->p_tex_bits= s->p_tex_bits; | |
2415 | d->i_count= s->i_count; | |
2416 | d->f_count= s->f_count; | |
2417 | d->b_count= s->b_count; | |
2418 | d->skip_count= s->skip_count; | |
2419 | d->misc_bits= s->misc_bits; | |
2420 | d->last_bits= 0; | |
2421 | ||
2422 | d->mb_skipped= 0; | |
2423 | d->qscale= s->qscale; | |
2424 | d->dquant= s->dquant; | |
2425 | ||
2426 | d->esc3_level_length= s->esc3_level_length; | |
2427 | } | |
2428 | ||
2429 | static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){ | |
2430 | int i; | |
2431 | ||
2432 | memcpy(d->mv, s->mv, 2*4*2*sizeof(int)); | |
2433 | memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop? | |
2434 | ||
2435 | /* mpeg1 */ | |
2436 | d->mb_skip_run= s->mb_skip_run; | |
2437 | for(i=0; i<3; i++) | |
2438 | d->last_dc[i] = s->last_dc[i]; | |
2439 | ||
2440 | /* statistics */ | |
2441 | d->mv_bits= s->mv_bits; | |
2442 | d->i_tex_bits= s->i_tex_bits; | |
2443 | d->p_tex_bits= s->p_tex_bits; | |
2444 | d->i_count= s->i_count; | |
2445 | d->f_count= s->f_count; | |
2446 | d->b_count= s->b_count; | |
2447 | d->skip_count= s->skip_count; | |
2448 | d->misc_bits= s->misc_bits; | |
2449 | ||
2450 | d->mb_intra= s->mb_intra; | |
2451 | d->mb_skipped= s->mb_skipped; | |
2452 | d->mv_type= s->mv_type; | |
2453 | d->mv_dir= s->mv_dir; | |
2454 | d->pb= s->pb; | |
2455 | if(s->data_partitioning){ | |
2456 | d->pb2= s->pb2; | |
2457 | d->tex_pb= s->tex_pb; | |
2458 | } | |
2459 | d->block= s->block; | |
2460 | for(i=0; i<8; i++) | |
2461 | d->block_last_index[i]= s->block_last_index[i]; | |
2462 | d->interlaced_dct= s->interlaced_dct; | |
2463 | d->qscale= s->qscale; | |
2464 | ||
2465 | d->esc3_level_length= s->esc3_level_length; | |
2466 | } | |
2467 | ||
2468 | static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type, | |
2469 | PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2], | |
2470 | int *dmin, int *next_block, int motion_x, int motion_y) | |
2471 | { | |
2472 | int score; | |
2473 | uint8_t *dest_backup[3]; | |
2474 | ||
2475 | copy_context_before_encode(s, backup, type); | |
2476 | ||
2477 | s->block= s->blocks[*next_block]; | |
2478 | s->pb= pb[*next_block]; | |
2479 | if(s->data_partitioning){ | |
2480 | s->pb2 = pb2 [*next_block]; | |
2481 | s->tex_pb= tex_pb[*next_block]; | |
2482 | } | |
2483 | ||
2484 | if(*next_block){ | |
2485 | memcpy(dest_backup, s->dest, sizeof(s->dest)); | |
2486 | s->dest[0] = s->rd_scratchpad; | |
2487 | s->dest[1] = s->rd_scratchpad + 16*s->linesize; | |
2488 | s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8; | |
2489 | av_assert0(s->linesize >= 32); //FIXME | |
2490 | } | |
2491 | ||
2492 | encode_mb(s, motion_x, motion_y); | |
2493 | ||
2494 | score= put_bits_count(&s->pb); | |
2495 | if(s->data_partitioning){ | |
2496 | score+= put_bits_count(&s->pb2); | |
2497 | score+= put_bits_count(&s->tex_pb); | |
2498 | } | |
2499 | ||
2500 | if(s->avctx->mb_decision == FF_MB_DECISION_RD){ | |
2501 | ff_mpv_decode_mb(s, s->block); | |
2502 | ||
2503 | score *= s->lambda2; | |
2504 | score += sse_mb(s) << FF_LAMBDA_SHIFT; | |
2505 | } | |
2506 | ||
2507 | if(*next_block){ | |
2508 | memcpy(s->dest, dest_backup, sizeof(s->dest)); | |
2509 | } | |
2510 | ||
2511 | if(score<*dmin){ | |
2512 | *dmin= score; | |
2513 | *next_block^=1; | |
2514 | ||
2515 | copy_context_after_encode(best, s, type); | |
2516 | } | |
2517 | } | |
2518 | ||
2519 | static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){ | |
2520 | uint32_t *sq = ff_square_tab + 256; | |
2521 | int acc=0; | |
2522 | int x,y; | |
2523 | ||
2524 | if(w==16 && h==16) | |
2525 | return s->mecc.sse[0](NULL, src1, src2, stride, 16); | |
2526 | else if(w==8 && h==8) | |
2527 | return s->mecc.sse[1](NULL, src1, src2, stride, 8); | |
2528 | ||
2529 | for(y=0; y<h; y++){ | |
2530 | for(x=0; x<w; x++){ | |
2531 | acc+= sq[src1[x + y*stride] - src2[x + y*stride]]; | |
2532 | } | |
2533 | } | |
2534 | ||
2535 | av_assert2(acc>=0); | |
2536 | ||
2537 | return acc; | |
2538 | } | |
2539 | ||
2540 | static int sse_mb(MpegEncContext *s){ | |
2541 | int w= 16; | |
2542 | int h= 16; | |
2543 | ||
2544 | if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; | |
2545 | if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; | |
2546 | ||
2547 | if(w==16 && h==16) | |
2548 | if(s->avctx->mb_cmp == FF_CMP_NSSE){ | |
2549 | return s->mecc.nsse[0](s, s->new_picture.f->data[0] + s->mb_x * 16 + s->mb_y * s->linesize * 16, s->dest[0], s->linesize, 16) + | |
2550 | s->mecc.nsse[1](s, s->new_picture.f->data[1] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[1], s->uvlinesize, 8) + | |
2551 | s->mecc.nsse[1](s, s->new_picture.f->data[2] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[2], s->uvlinesize, 8); | |
2552 | }else{ | |
2553 | return s->mecc.sse[0](NULL, s->new_picture.f->data[0] + s->mb_x * 16 + s->mb_y * s->linesize * 16, s->dest[0], s->linesize, 16) + | |
2554 | s->mecc.sse[1](NULL, s->new_picture.f->data[1] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[1], s->uvlinesize, 8) + | |
2555 | s->mecc.sse[1](NULL, s->new_picture.f->data[2] + s->mb_x * 8 + s->mb_y * s->uvlinesize * 8, s->dest[2], s->uvlinesize, 8); | |
2556 | } | |
2557 | else | |
2558 | return sse(s, s->new_picture.f->data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize) | |
2559 | +sse(s, s->new_picture.f->data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize) | |
2560 | +sse(s, s->new_picture.f->data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize); | |
2561 | } | |
2562 | ||
2563 | static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){ | |
2564 | MpegEncContext *s= *(void**)arg; | |
2565 | ||
2566 | ||
2567 | s->me.pre_pass=1; | |
2568 | s->me.dia_size= s->avctx->pre_dia_size; | |
2569 | s->first_slice_line=1; | |
2570 | for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) { | |
2571 | for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) { | |
2572 | ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y); | |
2573 | } | |
2574 | s->first_slice_line=0; | |
2575 | } | |
2576 | ||
2577 | s->me.pre_pass=0; | |
2578 | ||
2579 | return 0; | |
2580 | } | |
2581 | ||
2582 | static int estimate_motion_thread(AVCodecContext *c, void *arg){ | |
2583 | MpegEncContext *s= *(void**)arg; | |
2584 | ||
2585 | ff_check_alignment(); | |
2586 | ||
2587 | s->me.dia_size= s->avctx->dia_size; | |
2588 | s->first_slice_line=1; | |
2589 | for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { | |
2590 | s->mb_x=0; //for block init below | |
2591 | ff_init_block_index(s); | |
2592 | for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) { | |
2593 | s->block_index[0]+=2; | |
2594 | s->block_index[1]+=2; | |
2595 | s->block_index[2]+=2; | |
2596 | s->block_index[3]+=2; | |
2597 | ||
2598 | /* compute motion vector & mb_type and store in context */ | |
2599 | if(s->pict_type==AV_PICTURE_TYPE_B) | |
2600 | ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y); | |
2601 | else | |
2602 | ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y); | |
2603 | } | |
2604 | s->first_slice_line=0; | |
2605 | } | |
2606 | return 0; | |
2607 | } | |
2608 | ||
2609 | static int mb_var_thread(AVCodecContext *c, void *arg){ | |
2610 | MpegEncContext *s= *(void**)arg; | |
2611 | int mb_x, mb_y; | |
2612 | ||
2613 | ff_check_alignment(); | |
2614 | ||
2615 | for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) { | |
2616 | for(mb_x=0; mb_x < s->mb_width; mb_x++) { | |
2617 | int xx = mb_x * 16; | |
2618 | int yy = mb_y * 16; | |
2619 | uint8_t *pix = s->new_picture.f->data[0] + (yy * s->linesize) + xx; | |
2620 | int varc; | |
2621 | int sum = s->mpvencdsp.pix_sum(pix, s->linesize); | |
2622 | ||
2623 | varc = (s->mpvencdsp.pix_norm1(pix, s->linesize) - | |
2624 | (((unsigned) sum * sum) >> 8) + 500 + 128) >> 8; | |
2625 | ||
2626 | s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc; | |
2627 | s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8; | |
2628 | s->me.mb_var_sum_temp += varc; | |
2629 | } | |
2630 | } | |
2631 | return 0; | |
2632 | } | |
2633 | ||
2634 | static void write_slice_end(MpegEncContext *s){ | |
2635 | if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4){ | |
2636 | if(s->partitioned_frame){ | |
2637 | ff_mpeg4_merge_partitions(s); | |
2638 | } | |
2639 | ||
2640 | ff_mpeg4_stuffing(&s->pb); | |
2641 | }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){ | |
2642 | ff_mjpeg_encode_stuffing(s); | |
2643 | } | |
2644 | ||
2645 | avpriv_align_put_bits(&s->pb); | |
2646 | flush_put_bits(&s->pb); | |
2647 | ||
2648 | if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame) | |
2649 | s->misc_bits+= get_bits_diff(s); | |
2650 | } | |
2651 | ||
2652 | static void write_mb_info(MpegEncContext *s) | |
2653 | { | |
2654 | uint8_t *ptr = s->mb_info_ptr + s->mb_info_size - 12; | |
2655 | int offset = put_bits_count(&s->pb); | |
2656 | int mba = s->mb_x + s->mb_width * (s->mb_y % s->gob_index); | |
2657 | int gobn = s->mb_y / s->gob_index; | |
2658 | int pred_x, pred_y; | |
2659 | if (CONFIG_H263_ENCODER) | |
2660 | ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y); | |
2661 | bytestream_put_le32(&ptr, offset); | |
2662 | bytestream_put_byte(&ptr, s->qscale); | |
2663 | bytestream_put_byte(&ptr, gobn); | |
2664 | bytestream_put_le16(&ptr, mba); | |
2665 | bytestream_put_byte(&ptr, pred_x); /* hmv1 */ | |
2666 | bytestream_put_byte(&ptr, pred_y); /* vmv1 */ | |
2667 | /* 4MV not implemented */ | |
2668 | bytestream_put_byte(&ptr, 0); /* hmv2 */ | |
2669 | bytestream_put_byte(&ptr, 0); /* vmv2 */ | |
2670 | } | |
2671 | ||
2672 | static void update_mb_info(MpegEncContext *s, int startcode) | |
2673 | { | |
2674 | if (!s->mb_info) | |
2675 | return; | |
2676 | if (put_bits_count(&s->pb) - s->prev_mb_info*8 >= s->mb_info*8) { | |
2677 | s->mb_info_size += 12; | |
2678 | s->prev_mb_info = s->last_mb_info; | |
2679 | } | |
2680 | if (startcode) { | |
2681 | s->prev_mb_info = put_bits_count(&s->pb)/8; | |
2682 | /* This might have incremented mb_info_size above, and we return without | |
2683 | * actually writing any info into that slot yet. But in that case, | |
2684 | * this will be called again at the start of the after writing the | |
2685 | * start code, actually writing the mb info. */ | |
2686 | return; | |
2687 | } | |
2688 | ||
2689 | s->last_mb_info = put_bits_count(&s->pb)/8; | |
2690 | if (!s->mb_info_size) | |
2691 | s->mb_info_size += 12; | |
2692 | write_mb_info(s); | |
2693 | } | |
2694 | ||
2695 | static int encode_thread(AVCodecContext *c, void *arg){ | |
2696 | MpegEncContext *s= *(void**)arg; | |
2697 | int mb_x, mb_y, pdif = 0; | |
2698 | int chr_h= 16>>s->chroma_y_shift; | |
2699 | int i, j; | |
2700 | MpegEncContext best_s, backup_s; | |
2701 | uint8_t bit_buf[2][MAX_MB_BYTES]; | |
2702 | uint8_t bit_buf2[2][MAX_MB_BYTES]; | |
2703 | uint8_t bit_buf_tex[2][MAX_MB_BYTES]; | |
2704 | PutBitContext pb[2], pb2[2], tex_pb[2]; | |
2705 | ||
2706 | ff_check_alignment(); | |
2707 | ||
2708 | for(i=0; i<2; i++){ | |
2709 | init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES); | |
2710 | init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES); | |
2711 | init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES); | |
2712 | } | |
2713 | ||
2714 | s->last_bits= put_bits_count(&s->pb); | |
2715 | s->mv_bits=0; | |
2716 | s->misc_bits=0; | |
2717 | s->i_tex_bits=0; | |
2718 | s->p_tex_bits=0; | |
2719 | s->i_count=0; | |
2720 | s->f_count=0; | |
2721 | s->b_count=0; | |
2722 | s->skip_count=0; | |
2723 | ||
2724 | for(i=0; i<3; i++){ | |
2725 | /* init last dc values */ | |
2726 | /* note: quant matrix value (8) is implied here */ | |
2727 | s->last_dc[i] = 128 << s->intra_dc_precision; | |
2728 | ||
2729 | s->current_picture.error[i] = 0; | |
2730 | } | |
2731 | if(s->codec_id==AV_CODEC_ID_AMV){ | |
2732 | s->last_dc[0] = 128*8/13; | |
2733 | s->last_dc[1] = 128*8/14; | |
2734 | s->last_dc[2] = 128*8/14; | |
2735 | } | |
2736 | s->mb_skip_run = 0; | |
2737 | memset(s->last_mv, 0, sizeof(s->last_mv)); | |
2738 | ||
2739 | s->last_mv_dir = 0; | |
2740 | ||
2741 | switch(s->codec_id){ | |
2742 | case AV_CODEC_ID_H263: | |
2743 | case AV_CODEC_ID_H263P: | |
2744 | case AV_CODEC_ID_FLV1: | |
2745 | if (CONFIG_H263_ENCODER) | |
2746 | s->gob_index = ff_h263_get_gob_height(s); | |
2747 | break; | |
2748 | case AV_CODEC_ID_MPEG4: | |
2749 | if(CONFIG_MPEG4_ENCODER && s->partitioned_frame) | |
2750 | ff_mpeg4_init_partitions(s); | |
2751 | break; | |
2752 | } | |
2753 | ||
2754 | s->resync_mb_x=0; | |
2755 | s->resync_mb_y=0; | |
2756 | s->first_slice_line = 1; | |
2757 | s->ptr_lastgob = s->pb.buf; | |
2758 | for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) { | |
2759 | s->mb_x=0; | |
2760 | s->mb_y= mb_y; | |
2761 | ||
2762 | ff_set_qscale(s, s->qscale); | |
2763 | ff_init_block_index(s); | |
2764 | ||
2765 | for(mb_x=0; mb_x < s->mb_width; mb_x++) { | |
2766 | int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this | |
2767 | int mb_type= s->mb_type[xy]; | |
2768 | // int d; | |
2769 | int dmin= INT_MAX; | |
2770 | int dir; | |
2771 | ||
2772 | if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){ | |
2773 | av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); | |
2774 | return -1; | |
2775 | } | |
2776 | if(s->data_partitioning){ | |
2777 | if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES | |
2778 | || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){ | |
2779 | av_log(s->avctx, AV_LOG_ERROR, "encoded partitioned frame too large\n"); | |
2780 | return -1; | |
2781 | } | |
2782 | } | |
2783 | ||
2784 | s->mb_x = mb_x; | |
2785 | s->mb_y = mb_y; // moved into loop, can get changed by H.261 | |
2786 | ff_update_block_index(s); | |
2787 | ||
2788 | if(CONFIG_H261_ENCODER && s->codec_id == AV_CODEC_ID_H261){ | |
2789 | ff_h261_reorder_mb_index(s); | |
2790 | xy= s->mb_y*s->mb_stride + s->mb_x; | |
2791 | mb_type= s->mb_type[xy]; | |
2792 | } | |
2793 | ||
2794 | /* write gob / video packet header */ | |
2795 | if(s->rtp_mode){ | |
2796 | int current_packet_size, is_gob_start; | |
2797 | ||
2798 | current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf); | |
2799 | ||
2800 | is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0; | |
2801 | ||
2802 | if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1; | |
2803 | ||
2804 | switch(s->codec_id){ | |
2805 | case AV_CODEC_ID_H261: | |
2806 | is_gob_start=0;//FIXME | |
2807 | break; | |
2808 | case AV_CODEC_ID_H263: | |
2809 | case AV_CODEC_ID_H263P: | |
2810 | if(!s->h263_slice_structured) | |
2811 | if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0; | |
2812 | break; | |
2813 | case AV_CODEC_ID_MPEG2VIDEO: | |
2814 | if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1; | |
2815 | case AV_CODEC_ID_MPEG1VIDEO: | |
2816 | if(s->mb_skip_run) is_gob_start=0; | |
2817 | break; | |
2818 | case AV_CODEC_ID_MJPEG: | |
2819 | if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1; | |
2820 | break; | |
2821 | } | |
2822 | ||
2823 | if(is_gob_start){ | |
2824 | if(s->start_mb_y != mb_y || mb_x!=0){ | |
2825 | write_slice_end(s); | |
2826 | ||
2827 | if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4 && s->partitioned_frame){ | |
2828 | ff_mpeg4_init_partitions(s); | |
2829 | } | |
2830 | } | |
2831 | ||
2832 | av_assert2((put_bits_count(&s->pb)&7) == 0); | |
2833 | current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob; | |
2834 | ||
2835 | if (s->error_rate && s->resync_mb_x + s->resync_mb_y > 0) { | |
2836 | int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y; | |
2837 | int d = 100 / s->error_rate; | |
2838 | if(r % d == 0){ | |
2839 | current_packet_size=0; | |
2840 | s->pb.buf_ptr= s->ptr_lastgob; | |
2841 | assert(put_bits_ptr(&s->pb) == s->ptr_lastgob); | |
2842 | } | |
2843 | } | |
2844 | ||
2845 | if (s->avctx->rtp_callback){ | |
2846 | int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x; | |
2847 | s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb); | |
2848 | } | |
2849 | update_mb_info(s, 1); | |
2850 | ||
2851 | switch(s->codec_id){ | |
2852 | case AV_CODEC_ID_MPEG4: | |
2853 | if (CONFIG_MPEG4_ENCODER) { | |
2854 | ff_mpeg4_encode_video_packet_header(s); | |
2855 | ff_mpeg4_clean_buffers(s); | |
2856 | } | |
2857 | break; | |
2858 | case AV_CODEC_ID_MPEG1VIDEO: | |
2859 | case AV_CODEC_ID_MPEG2VIDEO: | |
2860 | if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) { | |
2861 | ff_mpeg1_encode_slice_header(s); | |
2862 | ff_mpeg1_clean_buffers(s); | |
2863 | } | |
2864 | break; | |
2865 | case AV_CODEC_ID_H263: | |
2866 | case AV_CODEC_ID_H263P: | |
2867 | if (CONFIG_H263_ENCODER) | |
2868 | ff_h263_encode_gob_header(s, mb_y); | |
2869 | break; | |
2870 | } | |
2871 | ||
2872 | if(s->flags&CODEC_FLAG_PASS1){ | |
2873 | int bits= put_bits_count(&s->pb); | |
2874 | s->misc_bits+= bits - s->last_bits; | |
2875 | s->last_bits= bits; | |
2876 | } | |
2877 | ||
2878 | s->ptr_lastgob += current_packet_size; | |
2879 | s->first_slice_line=1; | |
2880 | s->resync_mb_x=mb_x; | |
2881 | s->resync_mb_y=mb_y; | |
2882 | } | |
2883 | } | |
2884 | ||
2885 | if( (s->resync_mb_x == s->mb_x) | |
2886 | && s->resync_mb_y+1 == s->mb_y){ | |
2887 | s->first_slice_line=0; | |
2888 | } | |
2889 | ||
2890 | s->mb_skipped=0; | |
2891 | s->dquant=0; //only for QP_RD | |
2892 | ||
2893 | update_mb_info(s, 0); | |
2894 | ||
2895 | if (mb_type & (mb_type-1) || (s->mpv_flags & FF_MPV_FLAG_QP_RD)) { // more than 1 MB type possible or FF_MPV_FLAG_QP_RD | |
2896 | int next_block=0; | |
2897 | int pb_bits_count, pb2_bits_count, tex_pb_bits_count; | |
2898 | ||
2899 | copy_context_before_encode(&backup_s, s, -1); | |
2900 | backup_s.pb= s->pb; | |
2901 | best_s.data_partitioning= s->data_partitioning; | |
2902 | best_s.partitioned_frame= s->partitioned_frame; | |
2903 | if(s->data_partitioning){ | |
2904 | backup_s.pb2= s->pb2; | |
2905 | backup_s.tex_pb= s->tex_pb; | |
2906 | } | |
2907 | ||
2908 | if(mb_type&CANDIDATE_MB_TYPE_INTER){ | |
2909 | s->mv_dir = MV_DIR_FORWARD; | |
2910 | s->mv_type = MV_TYPE_16X16; | |
2911 | s->mb_intra= 0; | |
2912 | s->mv[0][0][0] = s->p_mv_table[xy][0]; | |
2913 | s->mv[0][0][1] = s->p_mv_table[xy][1]; | |
2914 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb, | |
2915 | &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); | |
2916 | } | |
2917 | if(mb_type&CANDIDATE_MB_TYPE_INTER_I){ | |
2918 | s->mv_dir = MV_DIR_FORWARD; | |
2919 | s->mv_type = MV_TYPE_FIELD; | |
2920 | s->mb_intra= 0; | |
2921 | for(i=0; i<2; i++){ | |
2922 | j= s->field_select[0][i] = s->p_field_select_table[i][xy]; | |
2923 | s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; | |
2924 | s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; | |
2925 | } | |
2926 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb, | |
2927 | &dmin, &next_block, 0, 0); | |
2928 | } | |
2929 | if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){ | |
2930 | s->mv_dir = MV_DIR_FORWARD; | |
2931 | s->mv_type = MV_TYPE_16X16; | |
2932 | s->mb_intra= 0; | |
2933 | s->mv[0][0][0] = 0; | |
2934 | s->mv[0][0][1] = 0; | |
2935 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb, | |
2936 | &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); | |
2937 | } | |
2938 | if(mb_type&CANDIDATE_MB_TYPE_INTER4V){ | |
2939 | s->mv_dir = MV_DIR_FORWARD; | |
2940 | s->mv_type = MV_TYPE_8X8; | |
2941 | s->mb_intra= 0; | |
2942 | for(i=0; i<4; i++){ | |
2943 | s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; | |
2944 | s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; | |
2945 | } | |
2946 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb, | |
2947 | &dmin, &next_block, 0, 0); | |
2948 | } | |
2949 | if(mb_type&CANDIDATE_MB_TYPE_FORWARD){ | |
2950 | s->mv_dir = MV_DIR_FORWARD; | |
2951 | s->mv_type = MV_TYPE_16X16; | |
2952 | s->mb_intra= 0; | |
2953 | s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; | |
2954 | s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; | |
2955 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb, | |
2956 | &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]); | |
2957 | } | |
2958 | if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){ | |
2959 | s->mv_dir = MV_DIR_BACKWARD; | |
2960 | s->mv_type = MV_TYPE_16X16; | |
2961 | s->mb_intra= 0; | |
2962 | s->mv[1][0][0] = s->b_back_mv_table[xy][0]; | |
2963 | s->mv[1][0][1] = s->b_back_mv_table[xy][1]; | |
2964 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb, | |
2965 | &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]); | |
2966 | } | |
2967 | if(mb_type&CANDIDATE_MB_TYPE_BIDIR){ | |
2968 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
2969 | s->mv_type = MV_TYPE_16X16; | |
2970 | s->mb_intra= 0; | |
2971 | s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; | |
2972 | s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; | |
2973 | s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; | |
2974 | s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; | |
2975 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb, | |
2976 | &dmin, &next_block, 0, 0); | |
2977 | } | |
2978 | if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){ | |
2979 | s->mv_dir = MV_DIR_FORWARD; | |
2980 | s->mv_type = MV_TYPE_FIELD; | |
2981 | s->mb_intra= 0; | |
2982 | for(i=0; i<2; i++){ | |
2983 | j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; | |
2984 | s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; | |
2985 | s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; | |
2986 | } | |
2987 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb, | |
2988 | &dmin, &next_block, 0, 0); | |
2989 | } | |
2990 | if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){ | |
2991 | s->mv_dir = MV_DIR_BACKWARD; | |
2992 | s->mv_type = MV_TYPE_FIELD; | |
2993 | s->mb_intra= 0; | |
2994 | for(i=0; i<2; i++){ | |
2995 | j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; | |
2996 | s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; | |
2997 | s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; | |
2998 | } | |
2999 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb, | |
3000 | &dmin, &next_block, 0, 0); | |
3001 | } | |
3002 | if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){ | |
3003 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
3004 | s->mv_type = MV_TYPE_FIELD; | |
3005 | s->mb_intra= 0; | |
3006 | for(dir=0; dir<2; dir++){ | |
3007 | for(i=0; i<2; i++){ | |
3008 | j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; | |
3009 | s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; | |
3010 | s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; | |
3011 | } | |
3012 | } | |
3013 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb, | |
3014 | &dmin, &next_block, 0, 0); | |
3015 | } | |
3016 | if(mb_type&CANDIDATE_MB_TYPE_INTRA){ | |
3017 | s->mv_dir = 0; | |
3018 | s->mv_type = MV_TYPE_16X16; | |
3019 | s->mb_intra= 1; | |
3020 | s->mv[0][0][0] = 0; | |
3021 | s->mv[0][0][1] = 0; | |
3022 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb, | |
3023 | &dmin, &next_block, 0, 0); | |
3024 | if(s->h263_pred || s->h263_aic){ | |
3025 | if(best_s.mb_intra) | |
3026 | s->mbintra_table[mb_x + mb_y*s->mb_stride]=1; | |
3027 | else | |
3028 | ff_clean_intra_table_entries(s); //old mode? | |
3029 | } | |
3030 | } | |
3031 | ||
3032 | if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) && dmin < INT_MAX) { | |
3033 | if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD | |
3034 | const int last_qp= backup_s.qscale; | |
3035 | int qpi, qp, dc[6]; | |
3036 | int16_t ac[6][16]; | |
3037 | const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0; | |
3038 | static const int dquant_tab[4]={-1,1,-2,2}; | |
3039 | int storecoefs = s->mb_intra && s->dc_val[0]; | |
3040 | ||
3041 | av_assert2(backup_s.dquant == 0); | |
3042 | ||
3043 | //FIXME intra | |
3044 | s->mv_dir= best_s.mv_dir; | |
3045 | s->mv_type = MV_TYPE_16X16; | |
3046 | s->mb_intra= best_s.mb_intra; | |
3047 | s->mv[0][0][0] = best_s.mv[0][0][0]; | |
3048 | s->mv[0][0][1] = best_s.mv[0][0][1]; | |
3049 | s->mv[1][0][0] = best_s.mv[1][0][0]; | |
3050 | s->mv[1][0][1] = best_s.mv[1][0][1]; | |
3051 | ||
3052 | qpi = s->pict_type == AV_PICTURE_TYPE_B ? 2 : 0; | |
3053 | for(; qpi<4; qpi++){ | |
3054 | int dquant= dquant_tab[qpi]; | |
3055 | qp= last_qp + dquant; | |
3056 | if(qp < s->avctx->qmin || qp > s->avctx->qmax) | |
3057 | continue; | |
3058 | backup_s.dquant= dquant; | |
3059 | if(storecoefs){ | |
3060 | for(i=0; i<6; i++){ | |
3061 | dc[i]= s->dc_val[0][ s->block_index[i] ]; | |
3062 | memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(int16_t)*16); | |
3063 | } | |
3064 | } | |
3065 | ||
3066 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb, | |
3067 | &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]); | |
3068 | if(best_s.qscale != qp){ | |
3069 | if(storecoefs){ | |
3070 | for(i=0; i<6; i++){ | |
3071 | s->dc_val[0][ s->block_index[i] ]= dc[i]; | |
3072 | memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(int16_t)*16); | |
3073 | } | |
3074 | } | |
3075 | } | |
3076 | } | |
3077 | } | |
3078 | } | |
3079 | if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){ | |
3080 | int mx= s->b_direct_mv_table[xy][0]; | |
3081 | int my= s->b_direct_mv_table[xy][1]; | |
3082 | ||
3083 | backup_s.dquant = 0; | |
3084 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; | |
3085 | s->mb_intra= 0; | |
3086 | ff_mpeg4_set_direct_mv(s, mx, my); | |
3087 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, | |
3088 | &dmin, &next_block, mx, my); | |
3089 | } | |
3090 | if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){ | |
3091 | backup_s.dquant = 0; | |
3092 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT; | |
3093 | s->mb_intra= 0; | |
3094 | ff_mpeg4_set_direct_mv(s, 0, 0); | |
3095 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb, | |
3096 | &dmin, &next_block, 0, 0); | |
3097 | } | |
3098 | if (!best_s.mb_intra && s->mpv_flags & FF_MPV_FLAG_SKIP_RD) { | |
3099 | int coded=0; | |
3100 | for(i=0; i<6; i++) | |
3101 | coded |= s->block_last_index[i]; | |
3102 | if(coded){ | |
3103 | int mx,my; | |
3104 | memcpy(s->mv, best_s.mv, sizeof(s->mv)); | |
3105 | if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){ | |
3106 | mx=my=0; //FIXME find the one we actually used | |
3107 | ff_mpeg4_set_direct_mv(s, mx, my); | |
3108 | }else if(best_s.mv_dir&MV_DIR_BACKWARD){ | |
3109 | mx= s->mv[1][0][0]; | |
3110 | my= s->mv[1][0][1]; | |
3111 | }else{ | |
3112 | mx= s->mv[0][0][0]; | |
3113 | my= s->mv[0][0][1]; | |
3114 | } | |
3115 | ||
3116 | s->mv_dir= best_s.mv_dir; | |
3117 | s->mv_type = best_s.mv_type; | |
3118 | s->mb_intra= 0; | |
3119 | /* s->mv[0][0][0] = best_s.mv[0][0][0]; | |
3120 | s->mv[0][0][1] = best_s.mv[0][0][1]; | |
3121 | s->mv[1][0][0] = best_s.mv[1][0][0]; | |
3122 | s->mv[1][0][1] = best_s.mv[1][0][1];*/ | |
3123 | backup_s.dquant= 0; | |
3124 | s->skipdct=1; | |
3125 | encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb, | |
3126 | &dmin, &next_block, mx, my); | |
3127 | s->skipdct=0; | |
3128 | } | |
3129 | } | |
3130 | ||
3131 | s->current_picture.qscale_table[xy] = best_s.qscale; | |
3132 | ||
3133 | copy_context_after_encode(s, &best_s, -1); | |
3134 | ||
3135 | pb_bits_count= put_bits_count(&s->pb); | |
3136 | flush_put_bits(&s->pb); | |
3137 | avpriv_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count); | |
3138 | s->pb= backup_s.pb; | |
3139 | ||
3140 | if(s->data_partitioning){ | |
3141 | pb2_bits_count= put_bits_count(&s->pb2); | |
3142 | flush_put_bits(&s->pb2); | |
3143 | avpriv_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count); | |
3144 | s->pb2= backup_s.pb2; | |
3145 | ||
3146 | tex_pb_bits_count= put_bits_count(&s->tex_pb); | |
3147 | flush_put_bits(&s->tex_pb); | |
3148 | avpriv_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count); | |
3149 | s->tex_pb= backup_s.tex_pb; | |
3150 | } | |
3151 | s->last_bits= put_bits_count(&s->pb); | |
3152 | ||
3153 | if (CONFIG_H263_ENCODER && | |
3154 | s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B) | |
3155 | ff_h263_update_motion_val(s); | |
3156 | ||
3157 | if(next_block==0){ //FIXME 16 vs linesize16 | |
3158 | s->hdsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16); | |
3159 | s->hdsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8); | |
3160 | s->hdsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8); | |
3161 | } | |
3162 | ||
3163 | if(s->avctx->mb_decision == FF_MB_DECISION_BITS) | |
3164 | ff_mpv_decode_mb(s, s->block); | |
3165 | } else { | |
3166 | int motion_x = 0, motion_y = 0; | |
3167 | s->mv_type=MV_TYPE_16X16; | |
3168 | // only one MB-Type possible | |
3169 | ||
3170 | switch(mb_type){ | |
3171 | case CANDIDATE_MB_TYPE_INTRA: | |
3172 | s->mv_dir = 0; | |
3173 | s->mb_intra= 1; | |
3174 | motion_x= s->mv[0][0][0] = 0; | |
3175 | motion_y= s->mv[0][0][1] = 0; | |
3176 | break; | |
3177 | case CANDIDATE_MB_TYPE_INTER: | |
3178 | s->mv_dir = MV_DIR_FORWARD; | |
3179 | s->mb_intra= 0; | |
3180 | motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0]; | |
3181 | motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1]; | |
3182 | break; | |
3183 | case CANDIDATE_MB_TYPE_INTER_I: | |
3184 | s->mv_dir = MV_DIR_FORWARD; | |
3185 | s->mv_type = MV_TYPE_FIELD; | |
3186 | s->mb_intra= 0; | |
3187 | for(i=0; i<2; i++){ | |
3188 | j= s->field_select[0][i] = s->p_field_select_table[i][xy]; | |
3189 | s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0]; | |
3190 | s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1]; | |
3191 | } | |
3192 | break; | |
3193 | case CANDIDATE_MB_TYPE_INTER4V: | |
3194 | s->mv_dir = MV_DIR_FORWARD; | |
3195 | s->mv_type = MV_TYPE_8X8; | |
3196 | s->mb_intra= 0; | |
3197 | for(i=0; i<4; i++){ | |
3198 | s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0]; | |
3199 | s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1]; | |
3200 | } | |
3201 | break; | |
3202 | case CANDIDATE_MB_TYPE_DIRECT: | |
3203 | if (CONFIG_MPEG4_ENCODER) { | |
3204 | s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; | |
3205 | s->mb_intra= 0; | |
3206 | motion_x=s->b_direct_mv_table[xy][0]; | |
3207 | motion_y=s->b_direct_mv_table[xy][1]; | |
3208 | ff_mpeg4_set_direct_mv(s, motion_x, motion_y); | |
3209 | } | |
3210 | break; | |
3211 | case CANDIDATE_MB_TYPE_DIRECT0: | |
3212 | if (CONFIG_MPEG4_ENCODER) { | |
3213 | s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT; | |
3214 | s->mb_intra= 0; | |
3215 | ff_mpeg4_set_direct_mv(s, 0, 0); | |
3216 | } | |
3217 | break; | |
3218 | case CANDIDATE_MB_TYPE_BIDIR: | |
3219 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
3220 | s->mb_intra= 0; | |
3221 | s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0]; | |
3222 | s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1]; | |
3223 | s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0]; | |
3224 | s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1]; | |
3225 | break; | |
3226 | case CANDIDATE_MB_TYPE_BACKWARD: | |
3227 | s->mv_dir = MV_DIR_BACKWARD; | |
3228 | s->mb_intra= 0; | |
3229 | motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0]; | |
3230 | motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1]; | |
3231 | break; | |
3232 | case CANDIDATE_MB_TYPE_FORWARD: | |
3233 | s->mv_dir = MV_DIR_FORWARD; | |
3234 | s->mb_intra= 0; | |
3235 | motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0]; | |
3236 | motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1]; | |
3237 | break; | |
3238 | case CANDIDATE_MB_TYPE_FORWARD_I: | |
3239 | s->mv_dir = MV_DIR_FORWARD; | |
3240 | s->mv_type = MV_TYPE_FIELD; | |
3241 | s->mb_intra= 0; | |
3242 | for(i=0; i<2; i++){ | |
3243 | j= s->field_select[0][i] = s->b_field_select_table[0][i][xy]; | |
3244 | s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0]; | |
3245 | s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1]; | |
3246 | } | |
3247 | break; | |
3248 | case CANDIDATE_MB_TYPE_BACKWARD_I: | |
3249 | s->mv_dir = MV_DIR_BACKWARD; | |
3250 | s->mv_type = MV_TYPE_FIELD; | |
3251 | s->mb_intra= 0; | |
3252 | for(i=0; i<2; i++){ | |
3253 | j= s->field_select[1][i] = s->b_field_select_table[1][i][xy]; | |
3254 | s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0]; | |
3255 | s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1]; | |
3256 | } | |
3257 | break; | |
3258 | case CANDIDATE_MB_TYPE_BIDIR_I: | |
3259 | s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
3260 | s->mv_type = MV_TYPE_FIELD; | |
3261 | s->mb_intra= 0; | |
3262 | for(dir=0; dir<2; dir++){ | |
3263 | for(i=0; i<2; i++){ | |
3264 | j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy]; | |
3265 | s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0]; | |
3266 | s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1]; | |
3267 | } | |
3268 | } | |
3269 | break; | |
3270 | default: | |
3271 | av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n"); | |
3272 | } | |
3273 | ||
3274 | encode_mb(s, motion_x, motion_y); | |
3275 | ||
3276 | // RAL: Update last macroblock type | |
3277 | s->last_mv_dir = s->mv_dir; | |
3278 | ||
3279 | if (CONFIG_H263_ENCODER && | |
3280 | s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B) | |
3281 | ff_h263_update_motion_val(s); | |
3282 | ||
3283 | ff_mpv_decode_mb(s, s->block); | |
3284 | } | |
3285 | ||
3286 | /* clean the MV table in IPS frames for direct mode in B frames */ | |
3287 | if(s->mb_intra /* && I,P,S_TYPE */){ | |
3288 | s->p_mv_table[xy][0]=0; | |
3289 | s->p_mv_table[xy][1]=0; | |
3290 | } | |
3291 | ||
3292 | if(s->flags&CODEC_FLAG_PSNR){ | |
3293 | int w= 16; | |
3294 | int h= 16; | |
3295 | ||
3296 | if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16; | |
3297 | if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16; | |
3298 | ||
3299 | s->current_picture.error[0] += sse( | |
3300 | s, s->new_picture.f->data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, | |
3301 | s->dest[0], w, h, s->linesize); | |
3302 | s->current_picture.error[1] += sse( | |
3303 | s, s->new_picture.f->data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, | |
3304 | s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize); | |
3305 | s->current_picture.error[2] += sse( | |
3306 | s, s->new_picture.f->data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h, | |
3307 | s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize); | |
3308 | } | |
3309 | if(s->loop_filter){ | |
3310 | if(CONFIG_H263_ENCODER && s->out_format == FMT_H263) | |
3311 | ff_h263_loop_filter(s); | |
3312 | } | |
3313 | av_dlog(s->avctx, "MB %d %d bits\n", | |
3314 | s->mb_x + s->mb_y * s->mb_stride, put_bits_count(&s->pb)); | |
3315 | } | |
3316 | } | |
3317 | ||
3318 | //not beautiful here but we must write it before flushing so it has to be here | |
3319 | if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == AV_PICTURE_TYPE_I) | |
3320 | ff_msmpeg4_encode_ext_header(s); | |
3321 | ||
3322 | write_slice_end(s); | |
3323 | ||
3324 | /* Send the last GOB if RTP */ | |
3325 | if (s->avctx->rtp_callback) { | |
3326 | int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x; | |
3327 | pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob; | |
3328 | /* Call the RTP callback to send the last GOB */ | |
3329 | emms_c(); | |
3330 | s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb); | |
3331 | } | |
3332 | ||
3333 | return 0; | |
3334 | } | |
3335 | ||
3336 | #define MERGE(field) dst->field += src->field; src->field=0 | |
3337 | static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){ | |
3338 | MERGE(me.scene_change_score); | |
3339 | MERGE(me.mc_mb_var_sum_temp); | |
3340 | MERGE(me.mb_var_sum_temp); | |
3341 | } | |
3342 | ||
3343 | static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){ | |
3344 | int i; | |
3345 | ||
3346 | MERGE(dct_count[0]); //note, the other dct vars are not part of the context | |
3347 | MERGE(dct_count[1]); | |
3348 | MERGE(mv_bits); | |
3349 | MERGE(i_tex_bits); | |
3350 | MERGE(p_tex_bits); | |
3351 | MERGE(i_count); | |
3352 | MERGE(f_count); | |
3353 | MERGE(b_count); | |
3354 | MERGE(skip_count); | |
3355 | MERGE(misc_bits); | |
3356 | MERGE(er.error_count); | |
3357 | MERGE(padding_bug_score); | |
3358 | MERGE(current_picture.error[0]); | |
3359 | MERGE(current_picture.error[1]); | |
3360 | MERGE(current_picture.error[2]); | |
3361 | ||
3362 | if(dst->avctx->noise_reduction){ | |
3363 | for(i=0; i<64; i++){ | |
3364 | MERGE(dct_error_sum[0][i]); | |
3365 | MERGE(dct_error_sum[1][i]); | |
3366 | } | |
3367 | } | |
3368 | ||
3369 | assert(put_bits_count(&src->pb) % 8 ==0); | |
3370 | assert(put_bits_count(&dst->pb) % 8 ==0); | |
3371 | avpriv_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb)); | |
3372 | flush_put_bits(&dst->pb); | |
3373 | } | |
3374 | ||
3375 | static int estimate_qp(MpegEncContext *s, int dry_run){ | |
3376 | if (s->next_lambda){ | |
3377 | s->current_picture_ptr->f->quality = | |
3378 | s->current_picture.f->quality = s->next_lambda; | |
3379 | if(!dry_run) s->next_lambda= 0; | |
3380 | } else if (!s->fixed_qscale) { | |
3381 | s->current_picture_ptr->f->quality = | |
3382 | s->current_picture.f->quality = ff_rate_estimate_qscale(s, dry_run); | |
3383 | if (s->current_picture.f->quality < 0) | |
3384 | return -1; | |
3385 | } | |
3386 | ||
3387 | if(s->adaptive_quant){ | |
3388 | switch(s->codec_id){ | |
3389 | case AV_CODEC_ID_MPEG4: | |
3390 | if (CONFIG_MPEG4_ENCODER) | |
3391 | ff_clean_mpeg4_qscales(s); | |
3392 | break; | |
3393 | case AV_CODEC_ID_H263: | |
3394 | case AV_CODEC_ID_H263P: | |
3395 | case AV_CODEC_ID_FLV1: | |
3396 | if (CONFIG_H263_ENCODER) | |
3397 | ff_clean_h263_qscales(s); | |
3398 | break; | |
3399 | default: | |
3400 | ff_init_qscale_tab(s); | |
3401 | } | |
3402 | ||
3403 | s->lambda= s->lambda_table[0]; | |
3404 | //FIXME broken | |
3405 | }else | |
3406 | s->lambda = s->current_picture.f->quality; | |
3407 | update_qscale(s); | |
3408 | return 0; | |
3409 | } | |
3410 | ||
3411 | /* must be called before writing the header */ | |
3412 | static void set_frame_distances(MpegEncContext * s){ | |
3413 | av_assert1(s->current_picture_ptr->f->pts != AV_NOPTS_VALUE); | |
3414 | s->time = s->current_picture_ptr->f->pts * s->avctx->time_base.num; | |
3415 | ||
3416 | if(s->pict_type==AV_PICTURE_TYPE_B){ | |
3417 | s->pb_time= s->pp_time - (s->last_non_b_time - s->time); | |
3418 | assert(s->pb_time > 0 && s->pb_time < s->pp_time); | |
3419 | }else{ | |
3420 | s->pp_time= s->time - s->last_non_b_time; | |
3421 | s->last_non_b_time= s->time; | |
3422 | assert(s->picture_number==0 || s->pp_time > 0); | |
3423 | } | |
3424 | } | |
3425 | ||
3426 | static int encode_picture(MpegEncContext *s, int picture_number) | |
3427 | { | |
3428 | int i, ret; | |
3429 | int bits; | |
3430 | int context_count = s->slice_context_count; | |
3431 | ||
3432 | s->picture_number = picture_number; | |
3433 | ||
3434 | /* Reset the average MB variance */ | |
3435 | s->me.mb_var_sum_temp = | |
3436 | s->me.mc_mb_var_sum_temp = 0; | |
3437 | ||
3438 | /* we need to initialize some time vars before we can encode b-frames */ | |
3439 | // RAL: Condition added for MPEG1VIDEO | |
3440 | if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->msmpeg4_version)) | |
3441 | set_frame_distances(s); | |
3442 | if(CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4) | |
3443 | ff_set_mpeg4_time(s); | |
3444 | ||
3445 | s->me.scene_change_score=0; | |
3446 | ||
3447 | // s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion | |
3448 | ||
3449 | if(s->pict_type==AV_PICTURE_TYPE_I){ | |
3450 | if(s->msmpeg4_version >= 3) s->no_rounding=1; | |
3451 | else s->no_rounding=0; | |
3452 | }else if(s->pict_type!=AV_PICTURE_TYPE_B){ | |
3453 | if(s->flipflop_rounding || s->codec_id == AV_CODEC_ID_H263P || s->codec_id == AV_CODEC_ID_MPEG4) | |
3454 | s->no_rounding ^= 1; | |
3455 | } | |
3456 | ||
3457 | if(s->flags & CODEC_FLAG_PASS2){ | |
3458 | if (estimate_qp(s,1) < 0) | |
3459 | return -1; | |
3460 | ff_get_2pass_fcode(s); | |
3461 | }else if(!(s->flags & CODEC_FLAG_QSCALE)){ | |
3462 | if(s->pict_type==AV_PICTURE_TYPE_B) | |
3463 | s->lambda= s->last_lambda_for[s->pict_type]; | |
3464 | else | |
3465 | s->lambda= s->last_lambda_for[s->last_non_b_pict_type]; | |
3466 | update_qscale(s); | |
3467 | } | |
3468 | ||
3469 | if(s->codec_id != AV_CODEC_ID_AMV && s->codec_id != AV_CODEC_ID_MJPEG){ | |
3470 | if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix); | |
3471 | if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16); | |
3472 | s->q_chroma_intra_matrix = s->q_intra_matrix; | |
3473 | s->q_chroma_intra_matrix16 = s->q_intra_matrix16; | |
3474 | } | |
3475 | ||
3476 | s->mb_intra=0; //for the rate distortion & bit compare functions | |
3477 | for(i=1; i<context_count; i++){ | |
3478 | ret = ff_update_duplicate_context(s->thread_context[i], s); | |
3479 | if (ret < 0) | |
3480 | return ret; | |
3481 | } | |
3482 | ||
3483 | if(ff_init_me(s)<0) | |
3484 | return -1; | |
3485 | ||
3486 | /* Estimate motion for every MB */ | |
3487 | if(s->pict_type != AV_PICTURE_TYPE_I){ | |
3488 | s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8; | |
3489 | s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8; | |
3490 | if (s->pict_type != AV_PICTURE_TYPE_B) { | |
3491 | if((s->avctx->pre_me && s->last_non_b_pict_type==AV_PICTURE_TYPE_I) || s->avctx->pre_me==2){ | |
3492 | s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*)); | |
3493 | } | |
3494 | } | |
3495 | ||
3496 | s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*)); | |
3497 | }else /* if(s->pict_type == AV_PICTURE_TYPE_I) */{ | |
3498 | /* I-Frame */ | |
3499 | for(i=0; i<s->mb_stride*s->mb_height; i++) | |
3500 | s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA; | |
3501 | ||
3502 | if(!s->fixed_qscale){ | |
3503 | /* finding spatial complexity for I-frame rate control */ | |
3504 | s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, context_count, sizeof(void*)); | |
3505 | } | |
3506 | } | |
3507 | for(i=1; i<context_count; i++){ | |
3508 | merge_context_after_me(s, s->thread_context[i]); | |
3509 | } | |
3510 | s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp; | |
3511 | s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp; | |
3512 | emms_c(); | |
3513 | ||
3514 | if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == AV_PICTURE_TYPE_P){ | |
3515 | s->pict_type= AV_PICTURE_TYPE_I; | |
3516 | for(i=0; i<s->mb_stride*s->mb_height; i++) | |
3517 | s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA; | |
3518 | if(s->msmpeg4_version >= 3) | |
3519 | s->no_rounding=1; | |
3520 | av_dlog(s, "Scene change detected, encoding as I Frame %"PRId64" %"PRId64"\n", | |
3521 | s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum); | |
3522 | } | |
3523 | ||
3524 | if(!s->umvplus){ | |
3525 | if(s->pict_type==AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) { | |
3526 | s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER); | |
3527 | ||
3528 | if(s->flags & CODEC_FLAG_INTERLACED_ME){ | |
3529 | int a,b; | |
3530 | a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select | |
3531 | b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I); | |
3532 | s->f_code= FFMAX3(s->f_code, a, b); | |
3533 | } | |
3534 | ||
3535 | ff_fix_long_p_mvs(s); | |
3536 | ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0); | |
3537 | if(s->flags & CODEC_FLAG_INTERLACED_ME){ | |
3538 | int j; | |
3539 | for(i=0; i<2; i++){ | |
3540 | for(j=0; j<2; j++) | |
3541 | ff_fix_long_mvs(s, s->p_field_select_table[i], j, | |
3542 | s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0); | |
3543 | } | |
3544 | } | |
3545 | } | |
3546 | ||
3547 | if(s->pict_type==AV_PICTURE_TYPE_B){ | |
3548 | int a, b; | |
3549 | ||
3550 | a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD); | |
3551 | b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR); | |
3552 | s->f_code = FFMAX(a, b); | |
3553 | ||
3554 | a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD); | |
3555 | b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR); | |
3556 | s->b_code = FFMAX(a, b); | |
3557 | ||
3558 | ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1); | |
3559 | ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1); | |
3560 | ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1); | |
3561 | ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1); | |
3562 | if(s->flags & CODEC_FLAG_INTERLACED_ME){ | |
3563 | int dir, j; | |
3564 | for(dir=0; dir<2; dir++){ | |
3565 | for(i=0; i<2; i++){ | |
3566 | for(j=0; j<2; j++){ | |
3567 | int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I) | |
3568 | : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I); | |
3569 | ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j, | |
3570 | s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1); | |
3571 | } | |
3572 | } | |
3573 | } | |
3574 | } | |
3575 | } | |
3576 | } | |
3577 | ||
3578 | if (estimate_qp(s, 0) < 0) | |
3579 | return -1; | |
3580 | ||
3581 | if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==AV_PICTURE_TYPE_I && !(s->flags & CODEC_FLAG_QSCALE)) | |
3582 | s->qscale= 3; //reduce clipping problems | |
3583 | ||
3584 | if (s->out_format == FMT_MJPEG) { | |
3585 | const uint16_t * luma_matrix = ff_mpeg1_default_intra_matrix; | |
3586 | const uint16_t *chroma_matrix = ff_mpeg1_default_intra_matrix; | |
3587 | ||
3588 | if (s->avctx->intra_matrix) { | |
3589 | chroma_matrix = | |
3590 | luma_matrix = s->avctx->intra_matrix; | |
3591 | } | |
3592 | if (s->avctx->chroma_intra_matrix) | |
3593 | chroma_matrix = s->avctx->chroma_intra_matrix; | |
3594 | ||
3595 | /* for mjpeg, we do include qscale in the matrix */ | |
3596 | for(i=1;i<64;i++){ | |
3597 | int j = s->idsp.idct_permutation[i]; | |
3598 | ||
3599 | s->chroma_intra_matrix[j] = av_clip_uint8((chroma_matrix[i] * s->qscale) >> 3); | |
3600 | s-> intra_matrix[j] = av_clip_uint8(( luma_matrix[i] * s->qscale) >> 3); | |
3601 | } | |
3602 | s->y_dc_scale_table= | |
3603 | s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision]; | |
3604 | s->chroma_intra_matrix[0] = | |
3605 | s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8]; | |
3606 | ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16, | |
3607 | s->intra_matrix, s->intra_quant_bias, 8, 8, 1); | |
3608 | ff_convert_matrix(s, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16, | |
3609 | s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1); | |
3610 | s->qscale= 8; | |
3611 | } | |
3612 | if(s->codec_id == AV_CODEC_ID_AMV){ | |
3613 | static const uint8_t y[32]={13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13}; | |
3614 | static const uint8_t c[32]={14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14}; | |
3615 | for(i=1;i<64;i++){ | |
3616 | int j= s->idsp.idct_permutation[ff_zigzag_direct[i]]; | |
3617 | ||
3618 | s->intra_matrix[j] = sp5x_quant_table[5*2+0][i]; | |
3619 | s->chroma_intra_matrix[j] = sp5x_quant_table[5*2+1][i]; | |
3620 | } | |
3621 | s->y_dc_scale_table= y; | |
3622 | s->c_dc_scale_table= c; | |
3623 | s->intra_matrix[0] = 13; | |
3624 | s->chroma_intra_matrix[0] = 14; | |
3625 | ff_convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16, | |
3626 | s->intra_matrix, s->intra_quant_bias, 8, 8, 1); | |
3627 | ff_convert_matrix(s, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16, | |
3628 | s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1); | |
3629 | s->qscale= 8; | |
3630 | } | |
3631 | ||
3632 | //FIXME var duplication | |
3633 | s->current_picture_ptr->f->key_frame = | |
3634 | s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I; //FIXME pic_ptr | |
3635 | s->current_picture_ptr->f->pict_type = | |
3636 | s->current_picture.f->pict_type = s->pict_type; | |
3637 | ||
3638 | if (s->current_picture.f->key_frame) | |
3639 | s->picture_in_gop_number=0; | |
3640 | ||
3641 | s->mb_x = s->mb_y = 0; | |
3642 | s->last_bits= put_bits_count(&s->pb); | |
3643 | switch(s->out_format) { | |
3644 | case FMT_MJPEG: | |
3645 | if (CONFIG_MJPEG_ENCODER) | |
3646 | ff_mjpeg_encode_picture_header(s->avctx, &s->pb, &s->intra_scantable, | |
3647 | s->intra_matrix, s->chroma_intra_matrix); | |
3648 | break; | |
3649 | case FMT_H261: | |
3650 | if (CONFIG_H261_ENCODER) | |
3651 | ff_h261_encode_picture_header(s, picture_number); | |
3652 | break; | |
3653 | case FMT_H263: | |
3654 | if (CONFIG_WMV2_ENCODER && s->codec_id == AV_CODEC_ID_WMV2) | |
3655 | ff_wmv2_encode_picture_header(s, picture_number); | |
3656 | else if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version) | |
3657 | ff_msmpeg4_encode_picture_header(s, picture_number); | |
3658 | else if (CONFIG_MPEG4_ENCODER && s->h263_pred) | |
3659 | ff_mpeg4_encode_picture_header(s, picture_number); | |
3660 | else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10) | |
3661 | ff_rv10_encode_picture_header(s, picture_number); | |
3662 | else if (CONFIG_RV20_ENCODER && s->codec_id == AV_CODEC_ID_RV20) | |
3663 | ff_rv20_encode_picture_header(s, picture_number); | |
3664 | else if (CONFIG_FLV_ENCODER && s->codec_id == AV_CODEC_ID_FLV1) | |
3665 | ff_flv_encode_picture_header(s, picture_number); | |
3666 | else if (CONFIG_H263_ENCODER) | |
3667 | ff_h263_encode_picture_header(s, picture_number); | |
3668 | break; | |
3669 | case FMT_MPEG1: | |
3670 | if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) | |
3671 | ff_mpeg1_encode_picture_header(s, picture_number); | |
3672 | break; | |
3673 | default: | |
3674 | av_assert0(0); | |
3675 | } | |
3676 | bits= put_bits_count(&s->pb); | |
3677 | s->header_bits= bits - s->last_bits; | |
3678 | ||
3679 | for(i=1; i<context_count; i++){ | |
3680 | update_duplicate_context_after_me(s->thread_context[i], s); | |
3681 | } | |
3682 | s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, context_count, sizeof(void*)); | |
3683 | for(i=1; i<context_count; i++){ | |
3684 | merge_context_after_encode(s, s->thread_context[i]); | |
3685 | } | |
3686 | emms_c(); | |
3687 | return 0; | |
3688 | } | |
3689 | ||
3690 | static void denoise_dct_c(MpegEncContext *s, int16_t *block){ | |
3691 | const int intra= s->mb_intra; | |
3692 | int i; | |
3693 | ||
3694 | s->dct_count[intra]++; | |
3695 | ||
3696 | for(i=0; i<64; i++){ | |
3697 | int level= block[i]; | |
3698 | ||
3699 | if(level){ | |
3700 | if(level>0){ | |
3701 | s->dct_error_sum[intra][i] += level; | |
3702 | level -= s->dct_offset[intra][i]; | |
3703 | if(level<0) level=0; | |
3704 | }else{ | |
3705 | s->dct_error_sum[intra][i] -= level; | |
3706 | level += s->dct_offset[intra][i]; | |
3707 | if(level>0) level=0; | |
3708 | } | |
3709 | block[i]= level; | |
3710 | } | |
3711 | } | |
3712 | } | |
3713 | ||
3714 | static int dct_quantize_trellis_c(MpegEncContext *s, | |
3715 | int16_t *block, int n, | |
3716 | int qscale, int *overflow){ | |
3717 | const int *qmat; | |
3718 | const uint8_t *scantable= s->intra_scantable.scantable; | |
3719 | const uint8_t *perm_scantable= s->intra_scantable.permutated; | |
3720 | int max=0; | |
3721 | unsigned int threshold1, threshold2; | |
3722 | int bias=0; | |
3723 | int run_tab[65]; | |
3724 | int level_tab[65]; | |
3725 | int score_tab[65]; | |
3726 | int survivor[65]; | |
3727 | int survivor_count; | |
3728 | int last_run=0; | |
3729 | int last_level=0; | |
3730 | int last_score= 0; | |
3731 | int last_i; | |
3732 | int coeff[2][64]; | |
3733 | int coeff_count[64]; | |
3734 | int qmul, qadd, start_i, last_non_zero, i, dc; | |
3735 | const int esc_length= s->ac_esc_length; | |
3736 | uint8_t * length; | |
3737 | uint8_t * last_length; | |
3738 | const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6); | |
3739 | ||
3740 | s->fdsp.fdct(block); | |
3741 | ||
3742 | if(s->dct_error_sum) | |
3743 | s->denoise_dct(s, block); | |
3744 | qmul= qscale*16; | |
3745 | qadd= ((qscale-1)|1)*8; | |
3746 | ||
3747 | if (s->mb_intra) { | |
3748 | int q; | |
3749 | if (!s->h263_aic) { | |
3750 | if (n < 4) | |
3751 | q = s->y_dc_scale; | |
3752 | else | |
3753 | q = s->c_dc_scale; | |
3754 | q = q << 3; | |
3755 | } else{ | |
3756 | /* For AIC we skip quant/dequant of INTRADC */ | |
3757 | q = 1 << 3; | |
3758 | qadd=0; | |
3759 | } | |
3760 | ||
3761 | /* note: block[0] is assumed to be positive */ | |
3762 | block[0] = (block[0] + (q >> 1)) / q; | |
3763 | start_i = 1; | |
3764 | last_non_zero = 0; | |
3765 | qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale]; | |
3766 | if(s->mpeg_quant || s->out_format == FMT_MPEG1) | |
3767 | bias= 1<<(QMAT_SHIFT-1); | |
3768 | length = s->intra_ac_vlc_length; | |
3769 | last_length= s->intra_ac_vlc_last_length; | |
3770 | } else { | |
3771 | start_i = 0; | |
3772 | last_non_zero = -1; | |
3773 | qmat = s->q_inter_matrix[qscale]; | |
3774 | length = s->inter_ac_vlc_length; | |
3775 | last_length= s->inter_ac_vlc_last_length; | |
3776 | } | |
3777 | last_i= start_i; | |
3778 | ||
3779 | threshold1= (1<<QMAT_SHIFT) - bias - 1; | |
3780 | threshold2= (threshold1<<1); | |
3781 | ||
3782 | for(i=63; i>=start_i; i--) { | |
3783 | const int j = scantable[i]; | |
3784 | int level = block[j] * qmat[j]; | |
3785 | ||
3786 | if(((unsigned)(level+threshold1))>threshold2){ | |
3787 | last_non_zero = i; | |
3788 | break; | |
3789 | } | |
3790 | } | |
3791 | ||
3792 | for(i=start_i; i<=last_non_zero; i++) { | |
3793 | const int j = scantable[i]; | |
3794 | int level = block[j] * qmat[j]; | |
3795 | ||
3796 | // if( bias+level >= (1<<(QMAT_SHIFT - 3)) | |
3797 | // || bias-level >= (1<<(QMAT_SHIFT - 3))){ | |
3798 | if(((unsigned)(level+threshold1))>threshold2){ | |
3799 | if(level>0){ | |
3800 | level= (bias + level)>>QMAT_SHIFT; | |
3801 | coeff[0][i]= level; | |
3802 | coeff[1][i]= level-1; | |
3803 | // coeff[2][k]= level-2; | |
3804 | }else{ | |
3805 | level= (bias - level)>>QMAT_SHIFT; | |
3806 | coeff[0][i]= -level; | |
3807 | coeff[1][i]= -level+1; | |
3808 | // coeff[2][k]= -level+2; | |
3809 | } | |
3810 | coeff_count[i]= FFMIN(level, 2); | |
3811 | av_assert2(coeff_count[i]); | |
3812 | max |=level; | |
3813 | }else{ | |
3814 | coeff[0][i]= (level>>31)|1; | |
3815 | coeff_count[i]= 1; | |
3816 | } | |
3817 | } | |
3818 | ||
3819 | *overflow= s->max_qcoeff < max; //overflow might have happened | |
3820 | ||
3821 | if(last_non_zero < start_i){ | |
3822 | memset(block + start_i, 0, (64-start_i)*sizeof(int16_t)); | |
3823 | return last_non_zero; | |
3824 | } | |
3825 | ||
3826 | score_tab[start_i]= 0; | |
3827 | survivor[0]= start_i; | |
3828 | survivor_count= 1; | |
3829 | ||
3830 | for(i=start_i; i<=last_non_zero; i++){ | |
3831 | int level_index, j, zero_distortion; | |
3832 | int dct_coeff= FFABS(block[ scantable[i] ]); | |
3833 | int best_score=256*256*256*120; | |
3834 | ||
3835 | if (s->fdsp.fdct == ff_fdct_ifast) | |
3836 | dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12; | |
3837 | zero_distortion= dct_coeff*dct_coeff; | |
3838 | ||
3839 | for(level_index=0; level_index < coeff_count[i]; level_index++){ | |
3840 | int distortion; | |
3841 | int level= coeff[level_index][i]; | |
3842 | const int alevel= FFABS(level); | |
3843 | int unquant_coeff; | |
3844 | ||
3845 | av_assert2(level); | |
3846 | ||
3847 | if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ | |
3848 | unquant_coeff= alevel*qmul + qadd; | |
3849 | }else{ //MPEG1 | |
3850 | j = s->idsp.idct_permutation[scantable[i]]; // FIXME: optimize | |
3851 | if(s->mb_intra){ | |
3852 | unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3; | |
3853 | unquant_coeff = (unquant_coeff - 1) | 1; | |
3854 | }else{ | |
3855 | unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4; | |
3856 | unquant_coeff = (unquant_coeff - 1) | 1; | |
3857 | } | |
3858 | unquant_coeff<<= 3; | |
3859 | } | |
3860 | ||
3861 | distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion; | |
3862 | level+=64; | |
3863 | if((level&(~127)) == 0){ | |
3864 | for(j=survivor_count-1; j>=0; j--){ | |
3865 | int run= i - survivor[j]; | |
3866 | int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda; | |
3867 | score += score_tab[i-run]; | |
3868 | ||
3869 | if(score < best_score){ | |
3870 | best_score= score; | |
3871 | run_tab[i+1]= run; | |
3872 | level_tab[i+1]= level-64; | |
3873 | } | |
3874 | } | |
3875 | ||
3876 | if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ | |
3877 | for(j=survivor_count-1; j>=0; j--){ | |
3878 | int run= i - survivor[j]; | |
3879 | int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda; | |
3880 | score += score_tab[i-run]; | |
3881 | if(score < last_score){ | |
3882 | last_score= score; | |
3883 | last_run= run; | |
3884 | last_level= level-64; | |
3885 | last_i= i+1; | |
3886 | } | |
3887 | } | |
3888 | } | |
3889 | }else{ | |
3890 | distortion += esc_length*lambda; | |
3891 | for(j=survivor_count-1; j>=0; j--){ | |
3892 | int run= i - survivor[j]; | |
3893 | int score= distortion + score_tab[i-run]; | |
3894 | ||
3895 | if(score < best_score){ | |
3896 | best_score= score; | |
3897 | run_tab[i+1]= run; | |
3898 | level_tab[i+1]= level-64; | |
3899 | } | |
3900 | } | |
3901 | ||
3902 | if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ | |
3903 | for(j=survivor_count-1; j>=0; j--){ | |
3904 | int run= i - survivor[j]; | |
3905 | int score= distortion + score_tab[i-run]; | |
3906 | if(score < last_score){ | |
3907 | last_score= score; | |
3908 | last_run= run; | |
3909 | last_level= level-64; | |
3910 | last_i= i+1; | |
3911 | } | |
3912 | } | |
3913 | } | |
3914 | } | |
3915 | } | |
3916 | ||
3917 | score_tab[i+1]= best_score; | |
3918 | ||
3919 | //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level | |
3920 | if(last_non_zero <= 27){ | |
3921 | for(; survivor_count; survivor_count--){ | |
3922 | if(score_tab[ survivor[survivor_count-1] ] <= best_score) | |
3923 | break; | |
3924 | } | |
3925 | }else{ | |
3926 | for(; survivor_count; survivor_count--){ | |
3927 | if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda) | |
3928 | break; | |
3929 | } | |
3930 | } | |
3931 | ||
3932 | survivor[ survivor_count++ ]= i+1; | |
3933 | } | |
3934 | ||
3935 | if(s->out_format != FMT_H263 && s->out_format != FMT_H261){ | |
3936 | last_score= 256*256*256*120; | |
3937 | for(i= survivor[0]; i<=last_non_zero + 1; i++){ | |
3938 | int score= score_tab[i]; | |
3939 | if(i) score += lambda*2; //FIXME exacter? | |
3940 | ||
3941 | if(score < last_score){ | |
3942 | last_score= score; | |
3943 | last_i= i; | |
3944 | last_level= level_tab[i]; | |
3945 | last_run= run_tab[i]; | |
3946 | } | |
3947 | } | |
3948 | } | |
3949 | ||
3950 | s->coded_score[n] = last_score; | |
3951 | ||
3952 | dc= FFABS(block[0]); | |
3953 | last_non_zero= last_i - 1; | |
3954 | memset(block + start_i, 0, (64-start_i)*sizeof(int16_t)); | |
3955 | ||
3956 | if(last_non_zero < start_i) | |
3957 | return last_non_zero; | |
3958 | ||
3959 | if(last_non_zero == 0 && start_i == 0){ | |
3960 | int best_level= 0; | |
3961 | int best_score= dc * dc; | |
3962 | ||
3963 | for(i=0; i<coeff_count[0]; i++){ | |
3964 | int level= coeff[i][0]; | |
3965 | int alevel= FFABS(level); | |
3966 | int unquant_coeff, score, distortion; | |
3967 | ||
3968 | if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ | |
3969 | unquant_coeff= (alevel*qmul + qadd)>>3; | |
3970 | }else{ //MPEG1 | |
3971 | unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4; | |
3972 | unquant_coeff = (unquant_coeff - 1) | 1; | |
3973 | } | |
3974 | unquant_coeff = (unquant_coeff + 4) >> 3; | |
3975 | unquant_coeff<<= 3 + 3; | |
3976 | ||
3977 | distortion= (unquant_coeff - dc) * (unquant_coeff - dc); | |
3978 | level+=64; | |
3979 | if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda; | |
3980 | else score= distortion + esc_length*lambda; | |
3981 | ||
3982 | if(score < best_score){ | |
3983 | best_score= score; | |
3984 | best_level= level - 64; | |
3985 | } | |
3986 | } | |
3987 | block[0]= best_level; | |
3988 | s->coded_score[n] = best_score - dc*dc; | |
3989 | if(best_level == 0) return -1; | |
3990 | else return last_non_zero; | |
3991 | } | |
3992 | ||
3993 | i= last_i; | |
3994 | av_assert2(last_level); | |
3995 | ||
3996 | block[ perm_scantable[last_non_zero] ]= last_level; | |
3997 | i -= last_run + 1; | |
3998 | ||
3999 | for(; i>start_i; i -= run_tab[i] + 1){ | |
4000 | block[ perm_scantable[i-1] ]= level_tab[i]; | |
4001 | } | |
4002 | ||
4003 | return last_non_zero; | |
4004 | } | |
4005 | ||
4006 | //#define REFINE_STATS 1 | |
4007 | static int16_t basis[64][64]; | |
4008 | ||
4009 | static void build_basis(uint8_t *perm){ | |
4010 | int i, j, x, y; | |
4011 | emms_c(); | |
4012 | for(i=0; i<8; i++){ | |
4013 | for(j=0; j<8; j++){ | |
4014 | for(y=0; y<8; y++){ | |
4015 | for(x=0; x<8; x++){ | |
4016 | double s= 0.25*(1<<BASIS_SHIFT); | |
4017 | int index= 8*i + j; | |
4018 | int perm_index= perm[index]; | |
4019 | if(i==0) s*= sqrt(0.5); | |
4020 | if(j==0) s*= sqrt(0.5); | |
4021 | basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5))); | |
4022 | } | |
4023 | } | |
4024 | } | |
4025 | } | |
4026 | } | |
4027 | ||
4028 | static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise? | |
4029 | int16_t *block, int16_t *weight, int16_t *orig, | |
4030 | int n, int qscale){ | |
4031 | int16_t rem[64]; | |
4032 | LOCAL_ALIGNED_16(int16_t, d1, [64]); | |
4033 | const uint8_t *scantable= s->intra_scantable.scantable; | |
4034 | const uint8_t *perm_scantable= s->intra_scantable.permutated; | |
4035 | // unsigned int threshold1, threshold2; | |
4036 | // int bias=0; | |
4037 | int run_tab[65]; | |
4038 | int prev_run=0; | |
4039 | int prev_level=0; | |
4040 | int qmul, qadd, start_i, last_non_zero, i, dc; | |
4041 | uint8_t * length; | |
4042 | uint8_t * last_length; | |
4043 | int lambda; | |
4044 | int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true | |
4045 | #ifdef REFINE_STATS | |
4046 | static int count=0; | |
4047 | static int after_last=0; | |
4048 | static int to_zero=0; | |
4049 | static int from_zero=0; | |
4050 | static int raise=0; | |
4051 | static int lower=0; | |
4052 | static int messed_sign=0; | |
4053 | #endif | |
4054 | ||
4055 | if(basis[0][0] == 0) | |
4056 | build_basis(s->idsp.idct_permutation); | |
4057 | ||
4058 | qmul= qscale*2; | |
4059 | qadd= (qscale-1)|1; | |
4060 | if (s->mb_intra) { | |
4061 | if (!s->h263_aic) { | |
4062 | if (n < 4) | |
4063 | q = s->y_dc_scale; | |
4064 | else | |
4065 | q = s->c_dc_scale; | |
4066 | } else{ | |
4067 | /* For AIC we skip quant/dequant of INTRADC */ | |
4068 | q = 1; | |
4069 | qadd=0; | |
4070 | } | |
4071 | q <<= RECON_SHIFT-3; | |
4072 | /* note: block[0] is assumed to be positive */ | |
4073 | dc= block[0]*q; | |
4074 | // block[0] = (block[0] + (q >> 1)) / q; | |
4075 | start_i = 1; | |
4076 | // if(s->mpeg_quant || s->out_format == FMT_MPEG1) | |
4077 | // bias= 1<<(QMAT_SHIFT-1); | |
4078 | length = s->intra_ac_vlc_length; | |
4079 | last_length= s->intra_ac_vlc_last_length; | |
4080 | } else { | |
4081 | dc= 0; | |
4082 | start_i = 0; | |
4083 | length = s->inter_ac_vlc_length; | |
4084 | last_length= s->inter_ac_vlc_last_length; | |
4085 | } | |
4086 | last_non_zero = s->block_last_index[n]; | |
4087 | ||
4088 | #ifdef REFINE_STATS | |
4089 | {START_TIMER | |
4090 | #endif | |
4091 | dc += (1<<(RECON_SHIFT-1)); | |
4092 | for(i=0; i<64; i++){ | |
4093 | rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[] | |
4094 | } | |
4095 | #ifdef REFINE_STATS | |
4096 | STOP_TIMER("memset rem[]")} | |
4097 | #endif | |
4098 | sum=0; | |
4099 | for(i=0; i<64; i++){ | |
4100 | int one= 36; | |
4101 | int qns=4; | |
4102 | int w; | |
4103 | ||
4104 | w= FFABS(weight[i]) + qns*one; | |
4105 | w= 15 + (48*qns*one + w/2)/w; // 16 .. 63 | |
4106 | ||
4107 | weight[i] = w; | |
4108 | // w=weight[i] = (63*qns + (w/2)) / w; | |
4109 | ||
4110 | av_assert2(w>0); | |
4111 | av_assert2(w<(1<<6)); | |
4112 | sum += w*w; | |
4113 | } | |
4114 | lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6); | |
4115 | #ifdef REFINE_STATS | |
4116 | {START_TIMER | |
4117 | #endif | |
4118 | run=0; | |
4119 | rle_index=0; | |
4120 | for(i=start_i; i<=last_non_zero; i++){ | |
4121 | int j= perm_scantable[i]; | |
4122 | const int level= block[j]; | |
4123 | int coeff; | |
4124 | ||
4125 | if(level){ | |
4126 | if(level<0) coeff= qmul*level - qadd; | |
4127 | else coeff= qmul*level + qadd; | |
4128 | run_tab[rle_index++]=run; | |
4129 | run=0; | |
4130 | ||
4131 | s->mpvencdsp.add_8x8basis(rem, basis[j], coeff); | |
4132 | }else{ | |
4133 | run++; | |
4134 | } | |
4135 | } | |
4136 | #ifdef REFINE_STATS | |
4137 | if(last_non_zero>0){ | |
4138 | STOP_TIMER("init rem[]") | |
4139 | } | |
4140 | } | |
4141 | ||
4142 | {START_TIMER | |
4143 | #endif | |
4144 | for(;;){ | |
4145 | int best_score = s->mpvencdsp.try_8x8basis(rem, weight, basis[0], 0); | |
4146 | int best_coeff=0; | |
4147 | int best_change=0; | |
4148 | int run2, best_unquant_change=0, analyze_gradient; | |
4149 | #ifdef REFINE_STATS | |
4150 | {START_TIMER | |
4151 | #endif | |
4152 | analyze_gradient = last_non_zero > 2 || s->quantizer_noise_shaping >= 3; | |
4153 | ||
4154 | if(analyze_gradient){ | |
4155 | #ifdef REFINE_STATS | |
4156 | {START_TIMER | |
4157 | #endif | |
4158 | for(i=0; i<64; i++){ | |
4159 | int w= weight[i]; | |
4160 | ||
4161 | d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12); | |
4162 | } | |
4163 | #ifdef REFINE_STATS | |
4164 | STOP_TIMER("rem*w*w")} | |
4165 | {START_TIMER | |
4166 | #endif | |
4167 | s->fdsp.fdct(d1); | |
4168 | #ifdef REFINE_STATS | |
4169 | STOP_TIMER("dct")} | |
4170 | #endif | |
4171 | } | |
4172 | ||
4173 | if(start_i){ | |
4174 | const int level= block[0]; | |
4175 | int change, old_coeff; | |
4176 | ||
4177 | av_assert2(s->mb_intra); | |
4178 | ||
4179 | old_coeff= q*level; | |
4180 | ||
4181 | for(change=-1; change<=1; change+=2){ | |
4182 | int new_level= level + change; | |
4183 | int score, new_coeff; | |
4184 | ||
4185 | new_coeff= q*new_level; | |
4186 | if(new_coeff >= 2048 || new_coeff < 0) | |
4187 | continue; | |
4188 | ||
4189 | score = s->mpvencdsp.try_8x8basis(rem, weight, basis[0], | |
4190 | new_coeff - old_coeff); | |
4191 | if(score<best_score){ | |
4192 | best_score= score; | |
4193 | best_coeff= 0; | |
4194 | best_change= change; | |
4195 | best_unquant_change= new_coeff - old_coeff; | |
4196 | } | |
4197 | } | |
4198 | } | |
4199 | ||
4200 | run=0; | |
4201 | rle_index=0; | |
4202 | run2= run_tab[rle_index++]; | |
4203 | prev_level=0; | |
4204 | prev_run=0; | |
4205 | ||
4206 | for(i=start_i; i<64; i++){ | |
4207 | int j= perm_scantable[i]; | |
4208 | const int level= block[j]; | |
4209 | int change, old_coeff; | |
4210 | ||
4211 | if(s->quantizer_noise_shaping < 3 && i > last_non_zero + 1) | |
4212 | break; | |
4213 | ||
4214 | if(level){ | |
4215 | if(level<0) old_coeff= qmul*level - qadd; | |
4216 | else old_coeff= qmul*level + qadd; | |
4217 | run2= run_tab[rle_index++]; //FIXME ! maybe after last | |
4218 | }else{ | |
4219 | old_coeff=0; | |
4220 | run2--; | |
4221 | av_assert2(run2>=0 || i >= last_non_zero ); | |
4222 | } | |
4223 | ||
4224 | for(change=-1; change<=1; change+=2){ | |
4225 | int new_level= level + change; | |
4226 | int score, new_coeff, unquant_change; | |
4227 | ||
4228 | score=0; | |
4229 | if(s->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level)) | |
4230 | continue; | |
4231 | ||
4232 | if(new_level){ | |
4233 | if(new_level<0) new_coeff= qmul*new_level - qadd; | |
4234 | else new_coeff= qmul*new_level + qadd; | |
4235 | if(new_coeff >= 2048 || new_coeff <= -2048) | |
4236 | continue; | |
4237 | //FIXME check for overflow | |
4238 | ||
4239 | if(level){ | |
4240 | if(level < 63 && level > -63){ | |
4241 | if(i < last_non_zero) | |
4242 | score += length[UNI_AC_ENC_INDEX(run, new_level+64)] | |
4243 | - length[UNI_AC_ENC_INDEX(run, level+64)]; | |
4244 | else | |
4245 | score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)] | |
4246 | - last_length[UNI_AC_ENC_INDEX(run, level+64)]; | |
4247 | } | |
4248 | }else{ | |
4249 | av_assert2(FFABS(new_level)==1); | |
4250 | ||
4251 | if(analyze_gradient){ | |
4252 | int g= d1[ scantable[i] ]; | |
4253 | if(g && (g^new_level) >= 0) | |
4254 | continue; | |
4255 | } | |
4256 | ||
4257 | if(i < last_non_zero){ | |
4258 | int next_i= i + run2 + 1; | |
4259 | int next_level= block[ perm_scantable[next_i] ] + 64; | |
4260 | ||
4261 | if(next_level&(~127)) | |
4262 | next_level= 0; | |
4263 | ||
4264 | if(next_i < last_non_zero) | |
4265 | score += length[UNI_AC_ENC_INDEX(run, 65)] | |
4266 | + length[UNI_AC_ENC_INDEX(run2, next_level)] | |
4267 | - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]; | |
4268 | else | |
4269 | score += length[UNI_AC_ENC_INDEX(run, 65)] | |
4270 | + last_length[UNI_AC_ENC_INDEX(run2, next_level)] | |
4271 | - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]; | |
4272 | }else{ | |
4273 | score += last_length[UNI_AC_ENC_INDEX(run, 65)]; | |
4274 | if(prev_level){ | |
4275 | score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)] | |
4276 | - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; | |
4277 | } | |
4278 | } | |
4279 | } | |
4280 | }else{ | |
4281 | new_coeff=0; | |
4282 | av_assert2(FFABS(level)==1); | |
4283 | ||
4284 | if(i < last_non_zero){ | |
4285 | int next_i= i + run2 + 1; | |
4286 | int next_level= block[ perm_scantable[next_i] ] + 64; | |
4287 | ||
4288 | if(next_level&(~127)) | |
4289 | next_level= 0; | |
4290 | ||
4291 | if(next_i < last_non_zero) | |
4292 | score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)] | |
4293 | - length[UNI_AC_ENC_INDEX(run2, next_level)] | |
4294 | - length[UNI_AC_ENC_INDEX(run, 65)]; | |
4295 | else | |
4296 | score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)] | |
4297 | - last_length[UNI_AC_ENC_INDEX(run2, next_level)] | |
4298 | - length[UNI_AC_ENC_INDEX(run, 65)]; | |
4299 | }else{ | |
4300 | score += -last_length[UNI_AC_ENC_INDEX(run, 65)]; | |
4301 | if(prev_level){ | |
4302 | score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)] | |
4303 | - length[UNI_AC_ENC_INDEX(prev_run, prev_level)]; | |
4304 | } | |
4305 | } | |
4306 | } | |
4307 | ||
4308 | score *= lambda; | |
4309 | ||
4310 | unquant_change= new_coeff - old_coeff; | |
4311 | av_assert2((score < 100*lambda && score > -100*lambda) || lambda==0); | |
4312 | ||
4313 | score += s->mpvencdsp.try_8x8basis(rem, weight, basis[j], | |
4314 | unquant_change); | |
4315 | if(score<best_score){ | |
4316 | best_score= score; | |
4317 | best_coeff= i; | |
4318 | best_change= change; | |
4319 | best_unquant_change= unquant_change; | |
4320 | } | |
4321 | } | |
4322 | if(level){ | |
4323 | prev_level= level + 64; | |
4324 | if(prev_level&(~127)) | |
4325 | prev_level= 0; | |
4326 | prev_run= run; | |
4327 | run=0; | |
4328 | }else{ | |
4329 | run++; | |
4330 | } | |
4331 | } | |
4332 | #ifdef REFINE_STATS | |
4333 | STOP_TIMER("iterative step")} | |
4334 | #endif | |
4335 | ||
4336 | if(best_change){ | |
4337 | int j= perm_scantable[ best_coeff ]; | |
4338 | ||
4339 | block[j] += best_change; | |
4340 | ||
4341 | if(best_coeff > last_non_zero){ | |
4342 | last_non_zero= best_coeff; | |
4343 | av_assert2(block[j]); | |
4344 | #ifdef REFINE_STATS | |
4345 | after_last++; | |
4346 | #endif | |
4347 | }else{ | |
4348 | #ifdef REFINE_STATS | |
4349 | if(block[j]){ | |
4350 | if(block[j] - best_change){ | |
4351 | if(FFABS(block[j]) > FFABS(block[j] - best_change)){ | |
4352 | raise++; | |
4353 | }else{ | |
4354 | lower++; | |
4355 | } | |
4356 | }else{ | |
4357 | from_zero++; | |
4358 | } | |
4359 | }else{ | |
4360 | to_zero++; | |
4361 | } | |
4362 | #endif | |
4363 | for(; last_non_zero>=start_i; last_non_zero--){ | |
4364 | if(block[perm_scantable[last_non_zero]]) | |
4365 | break; | |
4366 | } | |
4367 | } | |
4368 | #ifdef REFINE_STATS | |
4369 | count++; | |
4370 | if(256*256*256*64 % count == 0){ | |
4371 | av_log(s->avctx, AV_LOG_DEBUG, "after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number); | |
4372 | } | |
4373 | #endif | |
4374 | run=0; | |
4375 | rle_index=0; | |
4376 | for(i=start_i; i<=last_non_zero; i++){ | |
4377 | int j= perm_scantable[i]; | |
4378 | const int level= block[j]; | |
4379 | ||
4380 | if(level){ | |
4381 | run_tab[rle_index++]=run; | |
4382 | run=0; | |
4383 | }else{ | |
4384 | run++; | |
4385 | } | |
4386 | } | |
4387 | ||
4388 | s->mpvencdsp.add_8x8basis(rem, basis[j], best_unquant_change); | |
4389 | }else{ | |
4390 | break; | |
4391 | } | |
4392 | } | |
4393 | #ifdef REFINE_STATS | |
4394 | if(last_non_zero>0){ | |
4395 | STOP_TIMER("iterative search") | |
4396 | } | |
4397 | } | |
4398 | #endif | |
4399 | ||
4400 | return last_non_zero; | |
4401 | } | |
4402 | ||
4403 | int ff_dct_quantize_c(MpegEncContext *s, | |
4404 | int16_t *block, int n, | |
4405 | int qscale, int *overflow) | |
4406 | { | |
4407 | int i, j, level, last_non_zero, q, start_i; | |
4408 | const int *qmat; | |
4409 | const uint8_t *scantable= s->intra_scantable.scantable; | |
4410 | int bias; | |
4411 | int max=0; | |
4412 | unsigned int threshold1, threshold2; | |
4413 | ||
4414 | s->fdsp.fdct(block); | |
4415 | ||
4416 | if(s->dct_error_sum) | |
4417 | s->denoise_dct(s, block); | |
4418 | ||
4419 | if (s->mb_intra) { | |
4420 | if (!s->h263_aic) { | |
4421 | if (n < 4) | |
4422 | q = s->y_dc_scale; | |
4423 | else | |
4424 | q = s->c_dc_scale; | |
4425 | q = q << 3; | |
4426 | } else | |
4427 | /* For AIC we skip quant/dequant of INTRADC */ | |
4428 | q = 1 << 3; | |
4429 | ||
4430 | /* note: block[0] is assumed to be positive */ | |
4431 | block[0] = (block[0] + (q >> 1)) / q; | |
4432 | start_i = 1; | |
4433 | last_non_zero = 0; | |
4434 | qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale]; | |
4435 | bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT); | |
4436 | } else { | |
4437 | start_i = 0; | |
4438 | last_non_zero = -1; | |
4439 | qmat = s->q_inter_matrix[qscale]; | |
4440 | bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT); | |
4441 | } | |
4442 | threshold1= (1<<QMAT_SHIFT) - bias - 1; | |
4443 | threshold2= (threshold1<<1); | |
4444 | for(i=63;i>=start_i;i--) { | |
4445 | j = scantable[i]; | |
4446 | level = block[j] * qmat[j]; | |
4447 | ||
4448 | if(((unsigned)(level+threshold1))>threshold2){ | |
4449 | last_non_zero = i; | |
4450 | break; | |
4451 | }else{ | |
4452 | block[j]=0; | |
4453 | } | |
4454 | } | |
4455 | for(i=start_i; i<=last_non_zero; i++) { | |
4456 | j = scantable[i]; | |
4457 | level = block[j] * qmat[j]; | |
4458 | ||
4459 | // if( bias+level >= (1<<QMAT_SHIFT) | |
4460 | // || bias-level >= (1<<QMAT_SHIFT)){ | |
4461 | if(((unsigned)(level+threshold1))>threshold2){ | |
4462 | if(level>0){ | |
4463 | level= (bias + level)>>QMAT_SHIFT; | |
4464 | block[j]= level; | |
4465 | }else{ | |
4466 | level= (bias - level)>>QMAT_SHIFT; | |
4467 | block[j]= -level; | |
4468 | } | |
4469 | max |=level; | |
4470 | }else{ | |
4471 | block[j]=0; | |
4472 | } | |
4473 | } | |
4474 | *overflow= s->max_qcoeff < max; //overflow might have happened | |
4475 | ||
4476 | /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */ | |
4477 | if (s->idsp.perm_type != FF_IDCT_PERM_NONE) | |
4478 | ff_block_permute(block, s->idsp.idct_permutation, | |
4479 | scantable, last_non_zero); | |
4480 | ||
4481 | return last_non_zero; | |
4482 | } | |
4483 | ||
4484 | #define OFFSET(x) offsetof(MpegEncContext, x) | |
4485 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM | |
4486 | static const AVOption h263_options[] = { | |
4487 | { "obmc", "use overlapped block motion compensation.", OFFSET(obmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, | |
4488 | { "structured_slices","Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE}, | |
4489 | { "mb_info", "emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size", OFFSET(mb_info), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, | |
4490 | FF_MPV_COMMON_OPTS | |
4491 | { NULL }, | |
4492 | }; | |
4493 | ||
4494 | static const AVClass h263_class = { | |
4495 | .class_name = "H.263 encoder", | |
4496 | .item_name = av_default_item_name, | |
4497 | .option = h263_options, | |
4498 | .version = LIBAVUTIL_VERSION_INT, | |
4499 | }; | |
4500 | ||
4501 | AVCodec ff_h263_encoder = { | |
4502 | .name = "h263", | |
4503 | .long_name = NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"), | |
4504 | .type = AVMEDIA_TYPE_VIDEO, | |
4505 | .id = AV_CODEC_ID_H263, | |
4506 | .priv_data_size = sizeof(MpegEncContext), | |
4507 | .init = ff_mpv_encode_init, | |
4508 | .encode2 = ff_mpv_encode_picture, | |
4509 | .close = ff_mpv_encode_end, | |
4510 | .pix_fmts= (const enum AVPixelFormat[]){AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE}, | |
4511 | .priv_class = &h263_class, | |
4512 | }; | |
4513 | ||
4514 | static const AVOption h263p_options[] = { | |
4515 | { "umv", "Use unlimited motion vectors.", OFFSET(umvplus), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, | |
4516 | { "aiv", "Use alternative inter VLC.", OFFSET(alt_inter_vlc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, | |
4517 | { "obmc", "use overlapped block motion compensation.", OFFSET(obmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, | |
4518 | { "structured_slices", "Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE}, | |
4519 | FF_MPV_COMMON_OPTS | |
4520 | { NULL }, | |
4521 | }; | |
4522 | static const AVClass h263p_class = { | |
4523 | .class_name = "H.263p encoder", | |
4524 | .item_name = av_default_item_name, | |
4525 | .option = h263p_options, | |
4526 | .version = LIBAVUTIL_VERSION_INT, | |
4527 | }; | |
4528 | ||
4529 | AVCodec ff_h263p_encoder = { | |
4530 | .name = "h263p", | |
4531 | .long_name = NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"), | |
4532 | .type = AVMEDIA_TYPE_VIDEO, | |
4533 | .id = AV_CODEC_ID_H263P, | |
4534 | .priv_data_size = sizeof(MpegEncContext), | |
4535 | .init = ff_mpv_encode_init, | |
4536 | .encode2 = ff_mpv_encode_picture, | |
4537 | .close = ff_mpv_encode_end, | |
4538 | .capabilities = CODEC_CAP_SLICE_THREADS, | |
4539 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, | |
4540 | .priv_class = &h263p_class, | |
4541 | }; | |
4542 | ||
4543 | FF_MPV_GENERIC_CLASS(msmpeg4v2) | |
4544 | ||
4545 | AVCodec ff_msmpeg4v2_encoder = { | |
4546 | .name = "msmpeg4v2", | |
4547 | .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"), | |
4548 | .type = AVMEDIA_TYPE_VIDEO, | |
4549 | .id = AV_CODEC_ID_MSMPEG4V2, | |
4550 | .priv_data_size = sizeof(MpegEncContext), | |
4551 | .init = ff_mpv_encode_init, | |
4552 | .encode2 = ff_mpv_encode_picture, | |
4553 | .close = ff_mpv_encode_end, | |
4554 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, | |
4555 | .priv_class = &msmpeg4v2_class, | |
4556 | }; | |
4557 | ||
4558 | FF_MPV_GENERIC_CLASS(msmpeg4v3) | |
4559 | ||
4560 | AVCodec ff_msmpeg4v3_encoder = { | |
4561 | .name = "msmpeg4", | |
4562 | .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"), | |
4563 | .type = AVMEDIA_TYPE_VIDEO, | |
4564 | .id = AV_CODEC_ID_MSMPEG4V3, | |
4565 | .priv_data_size = sizeof(MpegEncContext), | |
4566 | .init = ff_mpv_encode_init, | |
4567 | .encode2 = ff_mpv_encode_picture, | |
4568 | .close = ff_mpv_encode_end, | |
4569 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, | |
4570 | .priv_class = &msmpeg4v3_class, | |
4571 | }; | |
4572 | ||
4573 | FF_MPV_GENERIC_CLASS(wmv1) | |
4574 | ||
4575 | AVCodec ff_wmv1_encoder = { | |
4576 | .name = "wmv1", | |
4577 | .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 7"), | |
4578 | .type = AVMEDIA_TYPE_VIDEO, | |
4579 | .id = AV_CODEC_ID_WMV1, | |
4580 | .priv_data_size = sizeof(MpegEncContext), | |
4581 | .init = ff_mpv_encode_init, | |
4582 | .encode2 = ff_mpv_encode_picture, | |
4583 | .close = ff_mpv_encode_end, | |
4584 | .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, | |
4585 | .priv_class = &wmv1_class, | |
4586 | }; |