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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 "libavutil/attributes.h" | |
31 | #include "libavutil/avassert.h" | |
32 | #include "libavutil/imgutils.h" | |
33 | #include "libavutil/internal.h" | |
34 | #include "libavutil/motion_vector.h" | |
35 | #include "libavutil/timer.h" | |
36 | #include "avcodec.h" | |
37 | #include "blockdsp.h" | |
38 | #include "h264chroma.h" | |
39 | #include "idctdsp.h" | |
40 | #include "internal.h" | |
41 | #include "mathops.h" | |
42 | #include "mpegutils.h" | |
43 | #include "mpegvideo.h" | |
44 | #include "mjpegenc.h" | |
45 | #include "msmpeg4.h" | |
46 | #include "qpeldsp.h" | |
47 | #include "thread.h" | |
48 | #include <limits.h> | |
49 | ||
50 | static const uint8_t ff_default_chroma_qscale_table[32] = { | |
51 | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
52 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
53 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 | |
54 | }; | |
55 | ||
56 | const uint8_t ff_mpeg1_dc_scale_table[128] = { | |
57 | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
58 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
59 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
60 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
61 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
62 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
63 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
64 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
65 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
66 | }; | |
67 | ||
68 | static const uint8_t mpeg2_dc_scale_table1[128] = { | |
69 | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
70 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
71 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
72 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
73 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
74 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
75 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
76 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
77 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
78 | }; | |
79 | ||
80 | static const uint8_t mpeg2_dc_scale_table2[128] = { | |
81 | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
82 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
83 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
84 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
85 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
86 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
87 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
88 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
89 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
90 | }; | |
91 | ||
92 | static const uint8_t mpeg2_dc_scale_table3[128] = { | |
93 | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
94 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
95 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
96 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
97 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
98 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
99 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
100 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
101 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
102 | }; | |
103 | ||
104 | const uint8_t *const ff_mpeg2_dc_scale_table[4] = { | |
105 | ff_mpeg1_dc_scale_table, | |
106 | mpeg2_dc_scale_table1, | |
107 | mpeg2_dc_scale_table2, | |
108 | mpeg2_dc_scale_table3, | |
109 | }; | |
110 | ||
111 | const uint8_t ff_alternate_horizontal_scan[64] = { | |
112 | 0, 1, 2, 3, 8, 9, 16, 17, | |
113 | 10, 11, 4, 5, 6, 7, 15, 14, | |
114 | 13, 12, 19, 18, 24, 25, 32, 33, | |
115 | 26, 27, 20, 21, 22, 23, 28, 29, | |
116 | 30, 31, 34, 35, 40, 41, 48, 49, | |
117 | 42, 43, 36, 37, 38, 39, 44, 45, | |
118 | 46, 47, 50, 51, 56, 57, 58, 59, | |
119 | 52, 53, 54, 55, 60, 61, 62, 63, | |
120 | }; | |
121 | ||
122 | const uint8_t ff_alternate_vertical_scan[64] = { | |
123 | 0, 8, 16, 24, 1, 9, 2, 10, | |
124 | 17, 25, 32, 40, 48, 56, 57, 49, | |
125 | 41, 33, 26, 18, 3, 11, 4, 12, | |
126 | 19, 27, 34, 42, 50, 58, 35, 43, | |
127 | 51, 59, 20, 28, 5, 13, 6, 14, | |
128 | 21, 29, 36, 44, 52, 60, 37, 45, | |
129 | 53, 61, 22, 30, 7, 15, 23, 31, | |
130 | 38, 46, 54, 62, 39, 47, 55, 63, | |
131 | }; | |
132 | ||
133 | static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, | |
134 | int16_t *block, int n, int qscale) | |
135 | { | |
136 | int i, level, nCoeffs; | |
137 | const uint16_t *quant_matrix; | |
138 | ||
139 | nCoeffs= s->block_last_index[n]; | |
140 | ||
141 | block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; | |
142 | /* XXX: only mpeg1 */ | |
143 | quant_matrix = s->intra_matrix; | |
144 | for(i=1;i<=nCoeffs;i++) { | |
145 | int j= s->intra_scantable.permutated[i]; | |
146 | level = block[j]; | |
147 | if (level) { | |
148 | if (level < 0) { | |
149 | level = -level; | |
150 | level = (int)(level * qscale * quant_matrix[j]) >> 3; | |
151 | level = (level - 1) | 1; | |
152 | level = -level; | |
153 | } else { | |
154 | level = (int)(level * qscale * quant_matrix[j]) >> 3; | |
155 | level = (level - 1) | 1; | |
156 | } | |
157 | block[j] = level; | |
158 | } | |
159 | } | |
160 | } | |
161 | ||
162 | static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, | |
163 | int16_t *block, int n, int qscale) | |
164 | { | |
165 | int i, level, nCoeffs; | |
166 | const uint16_t *quant_matrix; | |
167 | ||
168 | nCoeffs= s->block_last_index[n]; | |
169 | ||
170 | quant_matrix = s->inter_matrix; | |
171 | for(i=0; i<=nCoeffs; i++) { | |
172 | int j= s->intra_scantable.permutated[i]; | |
173 | level = block[j]; | |
174 | if (level) { | |
175 | if (level < 0) { | |
176 | level = -level; | |
177 | level = (((level << 1) + 1) * qscale * | |
178 | ((int) (quant_matrix[j]))) >> 4; | |
179 | level = (level - 1) | 1; | |
180 | level = -level; | |
181 | } else { | |
182 | level = (((level << 1) + 1) * qscale * | |
183 | ((int) (quant_matrix[j]))) >> 4; | |
184 | level = (level - 1) | 1; | |
185 | } | |
186 | block[j] = level; | |
187 | } | |
188 | } | |
189 | } | |
190 | ||
191 | static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, | |
192 | int16_t *block, int n, int qscale) | |
193 | { | |
194 | int i, level, nCoeffs; | |
195 | const uint16_t *quant_matrix; | |
196 | ||
197 | if(s->alternate_scan) nCoeffs= 63; | |
198 | else nCoeffs= s->block_last_index[n]; | |
199 | ||
200 | block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; | |
201 | quant_matrix = s->intra_matrix; | |
202 | for(i=1;i<=nCoeffs;i++) { | |
203 | int j= s->intra_scantable.permutated[i]; | |
204 | level = block[j]; | |
205 | if (level) { | |
206 | if (level < 0) { | |
207 | level = -level; | |
208 | level = (int)(level * qscale * quant_matrix[j]) >> 3; | |
209 | level = -level; | |
210 | } else { | |
211 | level = (int)(level * qscale * quant_matrix[j]) >> 3; | |
212 | } | |
213 | block[j] = level; | |
214 | } | |
215 | } | |
216 | } | |
217 | ||
218 | static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, | |
219 | int16_t *block, int n, int qscale) | |
220 | { | |
221 | int i, level, nCoeffs; | |
222 | const uint16_t *quant_matrix; | |
223 | int sum=-1; | |
224 | ||
225 | if(s->alternate_scan) nCoeffs= 63; | |
226 | else nCoeffs= s->block_last_index[n]; | |
227 | ||
228 | block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; | |
229 | sum += block[0]; | |
230 | quant_matrix = s->intra_matrix; | |
231 | for(i=1;i<=nCoeffs;i++) { | |
232 | int j= s->intra_scantable.permutated[i]; | |
233 | level = block[j]; | |
234 | if (level) { | |
235 | if (level < 0) { | |
236 | level = -level; | |
237 | level = (int)(level * qscale * quant_matrix[j]) >> 3; | |
238 | level = -level; | |
239 | } else { | |
240 | level = (int)(level * qscale * quant_matrix[j]) >> 3; | |
241 | } | |
242 | block[j] = level; | |
243 | sum+=level; | |
244 | } | |
245 | } | |
246 | block[63]^=sum&1; | |
247 | } | |
248 | ||
249 | static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, | |
250 | int16_t *block, int n, int qscale) | |
251 | { | |
252 | int i, level, nCoeffs; | |
253 | const uint16_t *quant_matrix; | |
254 | int sum=-1; | |
255 | ||
256 | if(s->alternate_scan) nCoeffs= 63; | |
257 | else nCoeffs= s->block_last_index[n]; | |
258 | ||
259 | quant_matrix = s->inter_matrix; | |
260 | for(i=0; i<=nCoeffs; i++) { | |
261 | int j= s->intra_scantable.permutated[i]; | |
262 | level = block[j]; | |
263 | if (level) { | |
264 | if (level < 0) { | |
265 | level = -level; | |
266 | level = (((level << 1) + 1) * qscale * | |
267 | ((int) (quant_matrix[j]))) >> 4; | |
268 | level = -level; | |
269 | } else { | |
270 | level = (((level << 1) + 1) * qscale * | |
271 | ((int) (quant_matrix[j]))) >> 4; | |
272 | } | |
273 | block[j] = level; | |
274 | sum+=level; | |
275 | } | |
276 | } | |
277 | block[63]^=sum&1; | |
278 | } | |
279 | ||
280 | static void dct_unquantize_h263_intra_c(MpegEncContext *s, | |
281 | int16_t *block, int n, int qscale) | |
282 | { | |
283 | int i, level, qmul, qadd; | |
284 | int nCoeffs; | |
285 | ||
286 | av_assert2(s->block_last_index[n]>=0 || s->h263_aic); | |
287 | ||
288 | qmul = qscale << 1; | |
289 | ||
290 | if (!s->h263_aic) { | |
291 | block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; | |
292 | qadd = (qscale - 1) | 1; | |
293 | }else{ | |
294 | qadd = 0; | |
295 | } | |
296 | if(s->ac_pred) | |
297 | nCoeffs=63; | |
298 | else | |
299 | nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; | |
300 | ||
301 | for(i=1; i<=nCoeffs; i++) { | |
302 | level = block[i]; | |
303 | if (level) { | |
304 | if (level < 0) { | |
305 | level = level * qmul - qadd; | |
306 | } else { | |
307 | level = level * qmul + qadd; | |
308 | } | |
309 | block[i] = level; | |
310 | } | |
311 | } | |
312 | } | |
313 | ||
314 | static void dct_unquantize_h263_inter_c(MpegEncContext *s, | |
315 | int16_t *block, int n, int qscale) | |
316 | { | |
317 | int i, level, qmul, qadd; | |
318 | int nCoeffs; | |
319 | ||
320 | av_assert2(s->block_last_index[n]>=0); | |
321 | ||
322 | qadd = (qscale - 1) | 1; | |
323 | qmul = qscale << 1; | |
324 | ||
325 | nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; | |
326 | ||
327 | for(i=0; i<=nCoeffs; i++) { | |
328 | level = block[i]; | |
329 | if (level) { | |
330 | if (level < 0) { | |
331 | level = level * qmul - qadd; | |
332 | } else { | |
333 | level = level * qmul + qadd; | |
334 | } | |
335 | block[i] = level; | |
336 | } | |
337 | } | |
338 | } | |
339 | ||
340 | static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type, | |
341 | int (*mv)[2][4][2], | |
342 | int mb_x, int mb_y, int mb_intra, int mb_skipped) | |
343 | { | |
344 | MpegEncContext *s = opaque; | |
345 | ||
346 | s->mv_dir = mv_dir; | |
347 | s->mv_type = mv_type; | |
348 | s->mb_intra = mb_intra; | |
349 | s->mb_skipped = mb_skipped; | |
350 | s->mb_x = mb_x; | |
351 | s->mb_y = mb_y; | |
352 | memcpy(s->mv, mv, sizeof(*mv)); | |
353 | ||
354 | ff_init_block_index(s); | |
355 | ff_update_block_index(s); | |
356 | ||
357 | s->bdsp.clear_blocks(s->block[0]); | |
358 | ||
359 | s->dest[0] = s->current_picture.f->data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16; | |
360 | s->dest[1] = s->current_picture.f->data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift); | |
361 | s->dest[2] = s->current_picture.f->data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift); | |
362 | ||
363 | if (ref) | |
364 | av_log(s->avctx, AV_LOG_DEBUG, "Interlaced error concealment is not fully implemented\n"); | |
365 | ff_mpv_decode_mb(s, s->block); | |
366 | } | |
367 | ||
368 | static void gray16(uint8_t *dst, const uint8_t *src, ptrdiff_t linesize, int h) | |
369 | { | |
370 | while(h--) | |
371 | memset(dst + h*linesize, 128, 16); | |
372 | } | |
373 | ||
374 | static void gray8(uint8_t *dst, const uint8_t *src, ptrdiff_t linesize, int h) | |
375 | { | |
376 | while(h--) | |
377 | memset(dst + h*linesize, 128, 8); | |
378 | } | |
379 | ||
380 | /* init common dct for both encoder and decoder */ | |
381 | static av_cold int dct_init(MpegEncContext *s) | |
382 | { | |
383 | ff_blockdsp_init(&s->bdsp, s->avctx); | |
384 | ff_h264chroma_init(&s->h264chroma, 8); //for lowres | |
385 | ff_hpeldsp_init(&s->hdsp, s->avctx->flags); | |
386 | ff_me_cmp_init(&s->mecc, s->avctx); | |
387 | ff_mpegvideodsp_init(&s->mdsp); | |
388 | ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample); | |
389 | ||
390 | if (s->avctx->debug & FF_DEBUG_NOMC) { | |
391 | int i; | |
392 | for (i=0; i<4; i++) { | |
393 | s->hdsp.avg_pixels_tab[0][i] = gray16; | |
394 | s->hdsp.put_pixels_tab[0][i] = gray16; | |
395 | s->hdsp.put_no_rnd_pixels_tab[0][i] = gray16; | |
396 | ||
397 | s->hdsp.avg_pixels_tab[1][i] = gray8; | |
398 | s->hdsp.put_pixels_tab[1][i] = gray8; | |
399 | s->hdsp.put_no_rnd_pixels_tab[1][i] = gray8; | |
400 | } | |
401 | } | |
402 | ||
403 | s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c; | |
404 | s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c; | |
405 | s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c; | |
406 | s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c; | |
407 | s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c; | |
408 | if (s->flags & CODEC_FLAG_BITEXACT) | |
409 | s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact; | |
410 | s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c; | |
411 | ||
412 | if (HAVE_INTRINSICS_NEON) | |
413 | ff_mpv_common_init_neon(s); | |
414 | ||
415 | if (ARCH_ALPHA) | |
416 | ff_mpv_common_init_axp(s); | |
417 | if (ARCH_ARM) | |
418 | ff_mpv_common_init_arm(s); | |
419 | if (ARCH_PPC) | |
420 | ff_mpv_common_init_ppc(s); | |
421 | if (ARCH_X86) | |
422 | ff_mpv_common_init_x86(s); | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
427 | av_cold void ff_mpv_idct_init(MpegEncContext *s) | |
428 | { | |
429 | ff_idctdsp_init(&s->idsp, s->avctx); | |
430 | ||
431 | /* load & permutate scantables | |
432 | * note: only wmv uses different ones | |
433 | */ | |
434 | if (s->alternate_scan) { | |
435 | ff_init_scantable(s->idsp.idct_permutation, &s->inter_scantable, ff_alternate_vertical_scan); | |
436 | ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_alternate_vertical_scan); | |
437 | } else { | |
438 | ff_init_scantable(s->idsp.idct_permutation, &s->inter_scantable, ff_zigzag_direct); | |
439 | ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct); | |
440 | } | |
441 | ff_init_scantable(s->idsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan); | |
442 | ff_init_scantable(s->idsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan); | |
443 | } | |
444 | ||
445 | static int frame_size_alloc(MpegEncContext *s, int linesize) | |
446 | { | |
447 | int alloc_size = FFALIGN(FFABS(linesize) + 64, 32); | |
448 | ||
449 | if (s->avctx->hwaccel || s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) | |
450 | return 0; | |
451 | ||
452 | if (linesize < 24) { | |
453 | av_log(s->avctx, AV_LOG_ERROR, "Image too small, temporary buffers cannot function\n"); | |
454 | return AVERROR_PATCHWELCOME; | |
455 | } | |
456 | ||
457 | // edge emu needs blocksize + filter length - 1 | |
458 | // (= 17x17 for halfpel / 21x21 for h264) | |
459 | // VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9 | |
460 | // at uvlinesize. It supports only YUV420 so 24x24 is enough | |
461 | // linesize * interlaced * MBsize | |
462 | // we also use this buffer for encoding in encode_mb_internal() needig an additional 32 lines | |
463 | FF_ALLOCZ_ARRAY_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size, 4 * 68, | |
464 | fail); | |
465 | ||
466 | FF_ALLOCZ_ARRAY_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size, 4 * 16 * 2, | |
467 | fail) | |
468 | s->me.temp = s->me.scratchpad; | |
469 | s->rd_scratchpad = s->me.scratchpad; | |
470 | s->b_scratchpad = s->me.scratchpad; | |
471 | s->obmc_scratchpad = s->me.scratchpad + 16; | |
472 | ||
473 | return 0; | |
474 | fail: | |
475 | av_freep(&s->edge_emu_buffer); | |
476 | return AVERROR(ENOMEM); | |
477 | } | |
478 | ||
479 | /** | |
480 | * Allocate a frame buffer | |
481 | */ | |
482 | static int alloc_frame_buffer(MpegEncContext *s, Picture *pic) | |
483 | { | |
484 | int edges_needed = av_codec_is_encoder(s->avctx->codec); | |
485 | int r, ret; | |
486 | ||
487 | pic->tf.f = pic->f; | |
488 | if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && | |
489 | s->codec_id != AV_CODEC_ID_VC1IMAGE && | |
490 | s->codec_id != AV_CODEC_ID_MSS2) { | |
491 | if (edges_needed) { | |
492 | pic->f->width = s->avctx->width + 2 * EDGE_WIDTH; | |
493 | pic->f->height = s->avctx->height + 2 * EDGE_WIDTH; | |
494 | } | |
495 | ||
496 | r = ff_thread_get_buffer(s->avctx, &pic->tf, | |
497 | pic->reference ? AV_GET_BUFFER_FLAG_REF : 0); | |
498 | } else { | |
499 | pic->f->width = s->avctx->width; | |
500 | pic->f->height = s->avctx->height; | |
501 | pic->f->format = s->avctx->pix_fmt; | |
502 | r = avcodec_default_get_buffer2(s->avctx, pic->f, 0); | |
503 | } | |
504 | ||
505 | if (r < 0 || !pic->f->buf[0]) { | |
506 | av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %p)\n", | |
507 | r, pic->f->data[0]); | |
508 | return -1; | |
509 | } | |
510 | ||
511 | if (edges_needed) { | |
512 | int i; | |
513 | for (i = 0; pic->f->data[i]; i++) { | |
514 | int offset = (EDGE_WIDTH >> (i ? s->chroma_y_shift : 0)) * | |
515 | pic->f->linesize[i] + | |
516 | (EDGE_WIDTH >> (i ? s->chroma_x_shift : 0)); | |
517 | pic->f->data[i] += offset; | |
518 | } | |
519 | pic->f->width = s->avctx->width; | |
520 | pic->f->height = s->avctx->height; | |
521 | } | |
522 | ||
523 | if (s->avctx->hwaccel) { | |
524 | assert(!pic->hwaccel_picture_private); | |
525 | if (s->avctx->hwaccel->frame_priv_data_size) { | |
526 | pic->hwaccel_priv_buf = av_buffer_allocz(s->avctx->hwaccel->frame_priv_data_size); | |
527 | if (!pic->hwaccel_priv_buf) { | |
528 | av_log(s->avctx, AV_LOG_ERROR, "alloc_frame_buffer() failed (hwaccel private data allocation)\n"); | |
529 | return -1; | |
530 | } | |
531 | pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data; | |
532 | } | |
533 | } | |
534 | ||
535 | if (s->linesize && (s->linesize != pic->f->linesize[0] || | |
536 | s->uvlinesize != pic->f->linesize[1])) { | |
537 | av_log(s->avctx, AV_LOG_ERROR, | |
538 | "get_buffer() failed (stride changed)\n"); | |
539 | ff_mpeg_unref_picture(s, pic); | |
540 | return -1; | |
541 | } | |
542 | ||
543 | if (pic->f->linesize[1] != pic->f->linesize[2]) { | |
544 | av_log(s->avctx, AV_LOG_ERROR, | |
545 | "get_buffer() failed (uv stride mismatch)\n"); | |
546 | ff_mpeg_unref_picture(s, pic); | |
547 | return -1; | |
548 | } | |
549 | ||
550 | if (!s->edge_emu_buffer && | |
551 | (ret = frame_size_alloc(s, pic->f->linesize[0])) < 0) { | |
552 | av_log(s->avctx, AV_LOG_ERROR, | |
553 | "get_buffer() failed to allocate context scratch buffers.\n"); | |
554 | ff_mpeg_unref_picture(s, pic); | |
555 | return ret; | |
556 | } | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
561 | void ff_free_picture_tables(Picture *pic) | |
562 | { | |
563 | int i; | |
564 | ||
565 | pic->alloc_mb_width = | |
566 | pic->alloc_mb_height = 0; | |
567 | ||
568 | av_buffer_unref(&pic->mb_var_buf); | |
569 | av_buffer_unref(&pic->mc_mb_var_buf); | |
570 | av_buffer_unref(&pic->mb_mean_buf); | |
571 | av_buffer_unref(&pic->mbskip_table_buf); | |
572 | av_buffer_unref(&pic->qscale_table_buf); | |
573 | av_buffer_unref(&pic->mb_type_buf); | |
574 | ||
575 | for (i = 0; i < 2; i++) { | |
576 | av_buffer_unref(&pic->motion_val_buf[i]); | |
577 | av_buffer_unref(&pic->ref_index_buf[i]); | |
578 | } | |
579 | } | |
580 | ||
581 | static int alloc_picture_tables(MpegEncContext *s, Picture *pic) | |
582 | { | |
583 | const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1; | |
584 | const int mb_array_size = s->mb_stride * s->mb_height; | |
585 | const int b8_array_size = s->b8_stride * s->mb_height * 2; | |
586 | int i; | |
587 | ||
588 | ||
589 | pic->mbskip_table_buf = av_buffer_allocz(mb_array_size + 2); | |
590 | pic->qscale_table_buf = av_buffer_allocz(big_mb_num + s->mb_stride); | |
591 | pic->mb_type_buf = av_buffer_allocz((big_mb_num + s->mb_stride) * | |
592 | sizeof(uint32_t)); | |
593 | if (!pic->mbskip_table_buf || !pic->qscale_table_buf || !pic->mb_type_buf) | |
594 | return AVERROR(ENOMEM); | |
595 | ||
596 | if (s->encoding) { | |
597 | pic->mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t)); | |
598 | pic->mc_mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t)); | |
599 | pic->mb_mean_buf = av_buffer_allocz(mb_array_size); | |
600 | if (!pic->mb_var_buf || !pic->mc_mb_var_buf || !pic->mb_mean_buf) | |
601 | return AVERROR(ENOMEM); | |
602 | } | |
603 | ||
604 | if (s->out_format == FMT_H263 || s->encoding || s->avctx->debug_mv || | |
605 | (s->avctx->flags2 & CODEC_FLAG2_EXPORT_MVS)) { | |
606 | int mv_size = 2 * (b8_array_size + 4) * sizeof(int16_t); | |
607 | int ref_index_size = 4 * mb_array_size; | |
608 | ||
609 | for (i = 0; mv_size && i < 2; i++) { | |
610 | pic->motion_val_buf[i] = av_buffer_allocz(mv_size); | |
611 | pic->ref_index_buf[i] = av_buffer_allocz(ref_index_size); | |
612 | if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i]) | |
613 | return AVERROR(ENOMEM); | |
614 | } | |
615 | } | |
616 | ||
617 | pic->alloc_mb_width = s->mb_width; | |
618 | pic->alloc_mb_height = s->mb_height; | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
623 | static int make_tables_writable(Picture *pic) | |
624 | { | |
625 | int ret, i; | |
626 | #define MAKE_WRITABLE(table) \ | |
627 | do {\ | |
628 | if (pic->table &&\ | |
629 | (ret = av_buffer_make_writable(&pic->table)) < 0)\ | |
630 | return ret;\ | |
631 | } while (0) | |
632 | ||
633 | MAKE_WRITABLE(mb_var_buf); | |
634 | MAKE_WRITABLE(mc_mb_var_buf); | |
635 | MAKE_WRITABLE(mb_mean_buf); | |
636 | MAKE_WRITABLE(mbskip_table_buf); | |
637 | MAKE_WRITABLE(qscale_table_buf); | |
638 | MAKE_WRITABLE(mb_type_buf); | |
639 | ||
640 | for (i = 0; i < 2; i++) { | |
641 | MAKE_WRITABLE(motion_val_buf[i]); | |
642 | MAKE_WRITABLE(ref_index_buf[i]); | |
643 | } | |
644 | ||
645 | return 0; | |
646 | } | |
647 | ||
648 | /** | |
649 | * Allocate a Picture. | |
650 | * The pixels are allocated/set by calling get_buffer() if shared = 0 | |
651 | */ | |
652 | int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared) | |
653 | { | |
654 | int i, ret; | |
655 | ||
656 | if (pic->qscale_table_buf) | |
657 | if ( pic->alloc_mb_width != s->mb_width | |
658 | || pic->alloc_mb_height != s->mb_height) | |
659 | ff_free_picture_tables(pic); | |
660 | ||
661 | if (shared) { | |
662 | av_assert0(pic->f->data[0]); | |
663 | pic->shared = 1; | |
664 | } else { | |
665 | av_assert0(!pic->f->buf[0]); | |
666 | ||
667 | if (alloc_frame_buffer(s, pic) < 0) | |
668 | return -1; | |
669 | ||
670 | s->linesize = pic->f->linesize[0]; | |
671 | s->uvlinesize = pic->f->linesize[1]; | |
672 | } | |
673 | ||
674 | if (!pic->qscale_table_buf) | |
675 | ret = alloc_picture_tables(s, pic); | |
676 | else | |
677 | ret = make_tables_writable(pic); | |
678 | if (ret < 0) | |
679 | goto fail; | |
680 | ||
681 | if (s->encoding) { | |
682 | pic->mb_var = (uint16_t*)pic->mb_var_buf->data; | |
683 | pic->mc_mb_var = (uint16_t*)pic->mc_mb_var_buf->data; | |
684 | pic->mb_mean = pic->mb_mean_buf->data; | |
685 | } | |
686 | ||
687 | pic->mbskip_table = pic->mbskip_table_buf->data; | |
688 | pic->qscale_table = pic->qscale_table_buf->data + 2 * s->mb_stride + 1; | |
689 | pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * s->mb_stride + 1; | |
690 | ||
691 | if (pic->motion_val_buf[0]) { | |
692 | for (i = 0; i < 2; i++) { | |
693 | pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4; | |
694 | pic->ref_index[i] = pic->ref_index_buf[i]->data; | |
695 | } | |
696 | } | |
697 | ||
698 | return 0; | |
699 | fail: | |
700 | av_log(s->avctx, AV_LOG_ERROR, "Error allocating a picture.\n"); | |
701 | ff_mpeg_unref_picture(s, pic); | |
702 | ff_free_picture_tables(pic); | |
703 | return AVERROR(ENOMEM); | |
704 | } | |
705 | ||
706 | /** | |
707 | * Deallocate a picture. | |
708 | */ | |
709 | void ff_mpeg_unref_picture(MpegEncContext *s, Picture *pic) | |
710 | { | |
711 | int off = offsetof(Picture, mb_mean) + sizeof(pic->mb_mean); | |
712 | ||
713 | pic->tf.f = pic->f; | |
714 | /* WM Image / Screen codecs allocate internal buffers with different | |
715 | * dimensions / colorspaces; ignore user-defined callbacks for these. */ | |
716 | if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && | |
717 | s->codec_id != AV_CODEC_ID_VC1IMAGE && | |
718 | s->codec_id != AV_CODEC_ID_MSS2) | |
719 | ff_thread_release_buffer(s->avctx, &pic->tf); | |
720 | else if (pic->f) | |
721 | av_frame_unref(pic->f); | |
722 | ||
723 | av_buffer_unref(&pic->hwaccel_priv_buf); | |
724 | ||
725 | if (pic->needs_realloc) | |
726 | ff_free_picture_tables(pic); | |
727 | ||
728 | memset((uint8_t*)pic + off, 0, sizeof(*pic) - off); | |
729 | } | |
730 | ||
731 | static int update_picture_tables(Picture *dst, Picture *src) | |
732 | { | |
733 | int i; | |
734 | ||
735 | #define UPDATE_TABLE(table)\ | |
736 | do {\ | |
737 | if (src->table &&\ | |
738 | (!dst->table || dst->table->buffer != src->table->buffer)) {\ | |
739 | av_buffer_unref(&dst->table);\ | |
740 | dst->table = av_buffer_ref(src->table);\ | |
741 | if (!dst->table) {\ | |
742 | ff_free_picture_tables(dst);\ | |
743 | return AVERROR(ENOMEM);\ | |
744 | }\ | |
745 | }\ | |
746 | } while (0) | |
747 | ||
748 | UPDATE_TABLE(mb_var_buf); | |
749 | UPDATE_TABLE(mc_mb_var_buf); | |
750 | UPDATE_TABLE(mb_mean_buf); | |
751 | UPDATE_TABLE(mbskip_table_buf); | |
752 | UPDATE_TABLE(qscale_table_buf); | |
753 | UPDATE_TABLE(mb_type_buf); | |
754 | for (i = 0; i < 2; i++) { | |
755 | UPDATE_TABLE(motion_val_buf[i]); | |
756 | UPDATE_TABLE(ref_index_buf[i]); | |
757 | } | |
758 | ||
759 | dst->mb_var = src->mb_var; | |
760 | dst->mc_mb_var = src->mc_mb_var; | |
761 | dst->mb_mean = src->mb_mean; | |
762 | dst->mbskip_table = src->mbskip_table; | |
763 | dst->qscale_table = src->qscale_table; | |
764 | dst->mb_type = src->mb_type; | |
765 | for (i = 0; i < 2; i++) { | |
766 | dst->motion_val[i] = src->motion_val[i]; | |
767 | dst->ref_index[i] = src->ref_index[i]; | |
768 | } | |
769 | ||
770 | dst->alloc_mb_width = src->alloc_mb_width; | |
771 | dst->alloc_mb_height = src->alloc_mb_height; | |
772 | ||
773 | return 0; | |
774 | } | |
775 | ||
776 | int ff_mpeg_ref_picture(MpegEncContext *s, Picture *dst, Picture *src) | |
777 | { | |
778 | int ret; | |
779 | ||
780 | av_assert0(!dst->f->buf[0]); | |
781 | av_assert0(src->f->buf[0]); | |
782 | ||
783 | src->tf.f = src->f; | |
784 | dst->tf.f = dst->f; | |
785 | ret = ff_thread_ref_frame(&dst->tf, &src->tf); | |
786 | if (ret < 0) | |
787 | goto fail; | |
788 | ||
789 | ret = update_picture_tables(dst, src); | |
790 | if (ret < 0) | |
791 | goto fail; | |
792 | ||
793 | if (src->hwaccel_picture_private) { | |
794 | dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); | |
795 | if (!dst->hwaccel_priv_buf) | |
796 | goto fail; | |
797 | dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; | |
798 | } | |
799 | ||
800 | dst->field_picture = src->field_picture; | |
801 | dst->mb_var_sum = src->mb_var_sum; | |
802 | dst->mc_mb_var_sum = src->mc_mb_var_sum; | |
803 | dst->b_frame_score = src->b_frame_score; | |
804 | dst->needs_realloc = src->needs_realloc; | |
805 | dst->reference = src->reference; | |
806 | dst->shared = src->shared; | |
807 | ||
808 | return 0; | |
809 | fail: | |
810 | ff_mpeg_unref_picture(s, dst); | |
811 | return ret; | |
812 | } | |
813 | ||
814 | static void exchange_uv(MpegEncContext *s) | |
815 | { | |
816 | int16_t (*tmp)[64]; | |
817 | ||
818 | tmp = s->pblocks[4]; | |
819 | s->pblocks[4] = s->pblocks[5]; | |
820 | s->pblocks[5] = tmp; | |
821 | } | |
822 | ||
823 | static int init_duplicate_context(MpegEncContext *s) | |
824 | { | |
825 | int y_size = s->b8_stride * (2 * s->mb_height + 1); | |
826 | int c_size = s->mb_stride * (s->mb_height + 1); | |
827 | int yc_size = y_size + 2 * c_size; | |
828 | int i; | |
829 | ||
830 | if (s->mb_height & 1) | |
831 | yc_size += 2*s->b8_stride + 2*s->mb_stride; | |
832 | ||
833 | s->edge_emu_buffer = | |
834 | s->me.scratchpad = | |
835 | s->me.temp = | |
836 | s->rd_scratchpad = | |
837 | s->b_scratchpad = | |
838 | s->obmc_scratchpad = NULL; | |
839 | ||
840 | if (s->encoding) { | |
841 | FF_ALLOCZ_OR_GOTO(s->avctx, s->me.map, | |
842 | ME_MAP_SIZE * sizeof(uint32_t), fail) | |
843 | FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map, | |
844 | ME_MAP_SIZE * sizeof(uint32_t), fail) | |
845 | if (s->avctx->noise_reduction) { | |
846 | FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum, | |
847 | 2 * 64 * sizeof(int), fail) | |
848 | } | |
849 | } | |
850 | FF_ALLOCZ_OR_GOTO(s->avctx, s->blocks, 64 * 12 * 2 * sizeof(int16_t), fail) | |
851 | s->block = s->blocks[0]; | |
852 | ||
853 | for (i = 0; i < 12; i++) { | |
854 | s->pblocks[i] = &s->block[i]; | |
855 | } | |
856 | if (s->avctx->codec_tag == AV_RL32("VCR2")) | |
857 | exchange_uv(s); | |
858 | ||
859 | if (s->out_format == FMT_H263) { | |
860 | /* ac values */ | |
861 | FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_val_base, | |
862 | yc_size * sizeof(int16_t) * 16, fail); | |
863 | s->ac_val[0] = s->ac_val_base + s->b8_stride + 1; | |
864 | s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1; | |
865 | s->ac_val[2] = s->ac_val[1] + c_size; | |
866 | } | |
867 | ||
868 | return 0; | |
869 | fail: | |
870 | return -1; // free() through ff_mpv_common_end() | |
871 | } | |
872 | ||
873 | static void free_duplicate_context(MpegEncContext *s) | |
874 | { | |
875 | if (!s) | |
876 | return; | |
877 | ||
878 | av_freep(&s->edge_emu_buffer); | |
879 | av_freep(&s->me.scratchpad); | |
880 | s->me.temp = | |
881 | s->rd_scratchpad = | |
882 | s->b_scratchpad = | |
883 | s->obmc_scratchpad = NULL; | |
884 | ||
885 | av_freep(&s->dct_error_sum); | |
886 | av_freep(&s->me.map); | |
887 | av_freep(&s->me.score_map); | |
888 | av_freep(&s->blocks); | |
889 | av_freep(&s->ac_val_base); | |
890 | s->block = NULL; | |
891 | } | |
892 | ||
893 | static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src) | |
894 | { | |
895 | #define COPY(a) bak->a = src->a | |
896 | COPY(edge_emu_buffer); | |
897 | COPY(me.scratchpad); | |
898 | COPY(me.temp); | |
899 | COPY(rd_scratchpad); | |
900 | COPY(b_scratchpad); | |
901 | COPY(obmc_scratchpad); | |
902 | COPY(me.map); | |
903 | COPY(me.score_map); | |
904 | COPY(blocks); | |
905 | COPY(block); | |
906 | COPY(start_mb_y); | |
907 | COPY(end_mb_y); | |
908 | COPY(me.map_generation); | |
909 | COPY(pb); | |
910 | COPY(dct_error_sum); | |
911 | COPY(dct_count[0]); | |
912 | COPY(dct_count[1]); | |
913 | COPY(ac_val_base); | |
914 | COPY(ac_val[0]); | |
915 | COPY(ac_val[1]); | |
916 | COPY(ac_val[2]); | |
917 | #undef COPY | |
918 | } | |
919 | ||
920 | int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src) | |
921 | { | |
922 | MpegEncContext bak; | |
923 | int i, ret; | |
924 | // FIXME copy only needed parts | |
925 | // START_TIMER | |
926 | backup_duplicate_context(&bak, dst); | |
927 | memcpy(dst, src, sizeof(MpegEncContext)); | |
928 | backup_duplicate_context(dst, &bak); | |
929 | for (i = 0; i < 12; i++) { | |
930 | dst->pblocks[i] = &dst->block[i]; | |
931 | } | |
932 | if (dst->avctx->codec_tag == AV_RL32("VCR2")) | |
933 | exchange_uv(dst); | |
934 | if (!dst->edge_emu_buffer && | |
935 | (ret = frame_size_alloc(dst, dst->linesize)) < 0) { | |
936 | av_log(dst->avctx, AV_LOG_ERROR, "failed to allocate context " | |
937 | "scratch buffers.\n"); | |
938 | return ret; | |
939 | } | |
940 | // STOP_TIMER("update_duplicate_context") | |
941 | // about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads | |
942 | return 0; | |
943 | } | |
944 | ||
945 | int ff_mpeg_update_thread_context(AVCodecContext *dst, | |
946 | const AVCodecContext *src) | |
947 | { | |
948 | int i, ret; | |
949 | MpegEncContext *s = dst->priv_data, *s1 = src->priv_data; | |
950 | ||
951 | if (dst == src) | |
952 | return 0; | |
953 | ||
954 | av_assert0(s != s1); | |
955 | ||
956 | // FIXME can parameters change on I-frames? | |
957 | // in that case dst may need a reinit | |
958 | if (!s->context_initialized) { | |
f6fa7814 | 959 | int err; |
2ba45a60 DM |
960 | memcpy(s, s1, sizeof(MpegEncContext)); |
961 | ||
962 | s->avctx = dst; | |
963 | s->bitstream_buffer = NULL; | |
964 | s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0; | |
965 | ||
966 | if (s1->context_initialized){ | |
967 | // s->picture_range_start += MAX_PICTURE_COUNT; | |
968 | // s->picture_range_end += MAX_PICTURE_COUNT; | |
969 | ff_mpv_idct_init(s); | |
f6fa7814 | 970 | if((err = ff_mpv_common_init(s)) < 0){ |
2ba45a60 DM |
971 | memset(s, 0, sizeof(MpegEncContext)); |
972 | s->avctx = dst; | |
f6fa7814 | 973 | return err; |
2ba45a60 DM |
974 | } |
975 | } | |
976 | } | |
977 | ||
978 | if (s->height != s1->height || s->width != s1->width || s->context_reinit) { | |
979 | s->context_reinit = 0; | |
980 | s->height = s1->height; | |
981 | s->width = s1->width; | |
982 | if ((ret = ff_mpv_common_frame_size_change(s)) < 0) | |
983 | return ret; | |
984 | } | |
985 | ||
986 | s->avctx->coded_height = s1->avctx->coded_height; | |
987 | s->avctx->coded_width = s1->avctx->coded_width; | |
988 | s->avctx->width = s1->avctx->width; | |
989 | s->avctx->height = s1->avctx->height; | |
990 | ||
991 | s->coded_picture_number = s1->coded_picture_number; | |
992 | s->picture_number = s1->picture_number; | |
993 | ||
994 | av_assert0(!s->picture || s->picture != s1->picture); | |
995 | if(s->picture) | |
996 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
997 | ff_mpeg_unref_picture(s, &s->picture[i]); | |
998 | if (s1->picture[i].f->buf[0] && | |
999 | (ret = ff_mpeg_ref_picture(s, &s->picture[i], &s1->picture[i])) < 0) | |
1000 | return ret; | |
1001 | } | |
1002 | ||
1003 | #define UPDATE_PICTURE(pic)\ | |
1004 | do {\ | |
1005 | ff_mpeg_unref_picture(s, &s->pic);\ | |
1006 | if (s1->pic.f && s1->pic.f->buf[0])\ | |
1007 | ret = ff_mpeg_ref_picture(s, &s->pic, &s1->pic);\ | |
1008 | else\ | |
1009 | ret = update_picture_tables(&s->pic, &s1->pic);\ | |
1010 | if (ret < 0)\ | |
1011 | return ret;\ | |
1012 | } while (0) | |
1013 | ||
1014 | UPDATE_PICTURE(current_picture); | |
1015 | UPDATE_PICTURE(last_picture); | |
1016 | UPDATE_PICTURE(next_picture); | |
1017 | ||
1018 | s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1); | |
1019 | s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1); | |
1020 | s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1); | |
1021 | ||
1022 | // Error/bug resilience | |
1023 | s->next_p_frame_damaged = s1->next_p_frame_damaged; | |
1024 | s->workaround_bugs = s1->workaround_bugs; | |
1025 | s->padding_bug_score = s1->padding_bug_score; | |
1026 | ||
1027 | // MPEG4 timing info | |
1028 | memcpy(&s->last_time_base, &s1->last_time_base, | |
1029 | (char *) &s1->pb_field_time + sizeof(s1->pb_field_time) - | |
1030 | (char *) &s1->last_time_base); | |
1031 | ||
1032 | // B-frame info | |
1033 | s->max_b_frames = s1->max_b_frames; | |
1034 | s->low_delay = s1->low_delay; | |
1035 | s->droppable = s1->droppable; | |
1036 | ||
1037 | // DivX handling (doesn't work) | |
1038 | s->divx_packed = s1->divx_packed; | |
1039 | ||
1040 | if (s1->bitstream_buffer) { | |
1041 | if (s1->bitstream_buffer_size + | |
1042 | FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) | |
1043 | av_fast_malloc(&s->bitstream_buffer, | |
1044 | &s->allocated_bitstream_buffer_size, | |
1045 | s1->allocated_bitstream_buffer_size); | |
1046 | s->bitstream_buffer_size = s1->bitstream_buffer_size; | |
1047 | memcpy(s->bitstream_buffer, s1->bitstream_buffer, | |
1048 | s1->bitstream_buffer_size); | |
1049 | memset(s->bitstream_buffer + s->bitstream_buffer_size, 0, | |
1050 | FF_INPUT_BUFFER_PADDING_SIZE); | |
1051 | } | |
1052 | ||
1053 | // linesize dependend scratch buffer allocation | |
1054 | if (!s->edge_emu_buffer) | |
1055 | if (s1->linesize) { | |
1056 | if (frame_size_alloc(s, s1->linesize) < 0) { | |
1057 | av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate context " | |
1058 | "scratch buffers.\n"); | |
1059 | return AVERROR(ENOMEM); | |
1060 | } | |
1061 | } else { | |
1062 | av_log(s->avctx, AV_LOG_ERROR, "Context scratch buffers could not " | |
1063 | "be allocated due to unknown size.\n"); | |
1064 | } | |
1065 | ||
1066 | // MPEG2/interlacing info | |
1067 | memcpy(&s->progressive_sequence, &s1->progressive_sequence, | |
1068 | (char *) &s1->rtp_mode - (char *) &s1->progressive_sequence); | |
1069 | ||
1070 | if (!s1->first_field) { | |
1071 | s->last_pict_type = s1->pict_type; | |
1072 | if (s1->current_picture_ptr) | |
1073 | s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f->quality; | |
1074 | } | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | /** | |
1080 | * Set the given MpegEncContext to common defaults | |
1081 | * (same for encoding and decoding). | |
1082 | * The changed fields will not depend upon the | |
1083 | * prior state of the MpegEncContext. | |
1084 | */ | |
1085 | void ff_mpv_common_defaults(MpegEncContext *s) | |
1086 | { | |
1087 | s->y_dc_scale_table = | |
1088 | s->c_dc_scale_table = ff_mpeg1_dc_scale_table; | |
1089 | s->chroma_qscale_table = ff_default_chroma_qscale_table; | |
1090 | s->progressive_frame = 1; | |
1091 | s->progressive_sequence = 1; | |
1092 | s->picture_structure = PICT_FRAME; | |
1093 | ||
1094 | s->coded_picture_number = 0; | |
1095 | s->picture_number = 0; | |
1096 | ||
1097 | s->f_code = 1; | |
1098 | s->b_code = 1; | |
1099 | ||
1100 | s->slice_context_count = 1; | |
1101 | } | |
1102 | ||
1103 | /** | |
1104 | * Set the given MpegEncContext to defaults for decoding. | |
1105 | * the changed fields will not depend upon | |
1106 | * the prior state of the MpegEncContext. | |
1107 | */ | |
1108 | void ff_mpv_decode_defaults(MpegEncContext *s) | |
1109 | { | |
1110 | ff_mpv_common_defaults(s); | |
1111 | } | |
1112 | ||
1113 | void ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx) | |
1114 | { | |
1115 | s->avctx = avctx; | |
1116 | s->width = avctx->coded_width; | |
1117 | s->height = avctx->coded_height; | |
1118 | s->codec_id = avctx->codec->id; | |
1119 | s->workaround_bugs = avctx->workaround_bugs; | |
1120 | s->flags = avctx->flags; | |
1121 | s->flags2 = avctx->flags2; | |
1122 | ||
1123 | /* convert fourcc to upper case */ | |
1124 | s->codec_tag = avpriv_toupper4(avctx->codec_tag); | |
1125 | ||
1126 | s->stream_codec_tag = avpriv_toupper4(avctx->stream_codec_tag); | |
1127 | } | |
1128 | ||
1129 | static int init_er(MpegEncContext *s) | |
1130 | { | |
1131 | ERContext *er = &s->er; | |
1132 | int mb_array_size = s->mb_height * s->mb_stride; | |
1133 | int i; | |
1134 | ||
1135 | er->avctx = s->avctx; | |
1136 | er->mecc = &s->mecc; | |
1137 | ||
1138 | er->mb_index2xy = s->mb_index2xy; | |
1139 | er->mb_num = s->mb_num; | |
1140 | er->mb_width = s->mb_width; | |
1141 | er->mb_height = s->mb_height; | |
1142 | er->mb_stride = s->mb_stride; | |
1143 | er->b8_stride = s->b8_stride; | |
1144 | ||
1145 | er->er_temp_buffer = av_malloc(s->mb_height * s->mb_stride); | |
1146 | er->error_status_table = av_mallocz(mb_array_size); | |
1147 | if (!er->er_temp_buffer || !er->error_status_table) | |
1148 | goto fail; | |
1149 | ||
1150 | er->mbskip_table = s->mbskip_table; | |
1151 | er->mbintra_table = s->mbintra_table; | |
1152 | ||
1153 | for (i = 0; i < FF_ARRAY_ELEMS(s->dc_val); i++) | |
1154 | er->dc_val[i] = s->dc_val[i]; | |
1155 | ||
1156 | er->decode_mb = mpeg_er_decode_mb; | |
1157 | er->opaque = s; | |
1158 | ||
1159 | return 0; | |
1160 | fail: | |
1161 | av_freep(&er->er_temp_buffer); | |
1162 | av_freep(&er->error_status_table); | |
1163 | return AVERROR(ENOMEM); | |
1164 | } | |
1165 | ||
1166 | /** | |
1167 | * Initialize and allocates MpegEncContext fields dependent on the resolution. | |
1168 | */ | |
1169 | static int init_context_frame(MpegEncContext *s) | |
1170 | { | |
1171 | int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y; | |
1172 | ||
1173 | s->mb_width = (s->width + 15) / 16; | |
1174 | s->mb_stride = s->mb_width + 1; | |
1175 | s->b8_stride = s->mb_width * 2 + 1; | |
1176 | mb_array_size = s->mb_height * s->mb_stride; | |
1177 | mv_table_size = (s->mb_height + 2) * s->mb_stride + 1; | |
1178 | ||
1179 | /* set default edge pos, will be overridden | |
1180 | * in decode_header if needed */ | |
1181 | s->h_edge_pos = s->mb_width * 16; | |
1182 | s->v_edge_pos = s->mb_height * 16; | |
1183 | ||
1184 | s->mb_num = s->mb_width * s->mb_height; | |
1185 | ||
1186 | s->block_wrap[0] = | |
1187 | s->block_wrap[1] = | |
1188 | s->block_wrap[2] = | |
1189 | s->block_wrap[3] = s->b8_stride; | |
1190 | s->block_wrap[4] = | |
1191 | s->block_wrap[5] = s->mb_stride; | |
1192 | ||
1193 | y_size = s->b8_stride * (2 * s->mb_height + 1); | |
1194 | c_size = s->mb_stride * (s->mb_height + 1); | |
1195 | yc_size = y_size + 2 * c_size; | |
1196 | ||
1197 | if (s->mb_height & 1) | |
1198 | yc_size += 2*s->b8_stride + 2*s->mb_stride; | |
1199 | ||
1200 | FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int), fail); // error ressilience code looks cleaner with this | |
1201 | for (y = 0; y < s->mb_height; y++) | |
1202 | for (x = 0; x < s->mb_width; x++) | |
1203 | s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride; | |
1204 | ||
1205 | s->mb_index2xy[s->mb_height * s->mb_width] = (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed? | |
1206 | ||
1207 | if (s->encoding) { | |
1208 | /* Allocate MV tables */ | |
1209 | FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) | |
1210 | FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) | |
1211 | FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) | |
1212 | FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) | |
1213 | FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) | |
1214 | FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) | |
1215 | s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1; | |
1216 | s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1; | |
1217 | s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1; | |
1218 | s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1; | |
1219 | s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1; | |
1220 | s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1; | |
1221 | ||
1222 | /* Allocate MB type table */ | |
1223 | FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size * sizeof(uint16_t), fail) // needed for encoding | |
1224 | ||
1225 | FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail) | |
1226 | ||
1227 | FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab, | |
1228 | mb_array_size * sizeof(float), fail); | |
1229 | FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab, | |
1230 | mb_array_size * sizeof(float), fail); | |
1231 | ||
1232 | } | |
1233 | ||
1234 | if (s->codec_id == AV_CODEC_ID_MPEG4 || | |
1235 | (s->flags & CODEC_FLAG_INTERLACED_ME)) { | |
1236 | /* interlaced direct mode decoding tables */ | |
1237 | for (i = 0; i < 2; i++) { | |
1238 | int j, k; | |
1239 | for (j = 0; j < 2; j++) { | |
1240 | for (k = 0; k < 2; k++) { | |
1241 | FF_ALLOCZ_OR_GOTO(s->avctx, | |
1242 | s->b_field_mv_table_base[i][j][k], | |
1243 | mv_table_size * 2 * sizeof(int16_t), | |
1244 | fail); | |
1245 | s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + | |
1246 | s->mb_stride + 1; | |
1247 | } | |
1248 | FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail) | |
1249 | FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail) | |
1250 | s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1; | |
1251 | } | |
1252 | FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail) | |
1253 | } | |
1254 | } | |
1255 | if (s->out_format == FMT_H263) { | |
1256 | /* cbp values */ | |
1257 | FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size + (s->mb_height&1)*2*s->b8_stride, fail); | |
1258 | s->coded_block = s->coded_block_base + s->b8_stride + 1; | |
1259 | ||
1260 | /* cbp, ac_pred, pred_dir */ | |
1261 | FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail); | |
1262 | FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail); | |
1263 | } | |
1264 | ||
1265 | if (s->h263_pred || s->h263_plus || !s->encoding) { | |
1266 | /* dc values */ | |
1267 | // MN: we need these for error resilience of intra-frames | |
1268 | FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail); | |
1269 | s->dc_val[0] = s->dc_val_base + s->b8_stride + 1; | |
1270 | s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1; | |
1271 | s->dc_val[2] = s->dc_val[1] + c_size; | |
1272 | for (i = 0; i < yc_size; i++) | |
1273 | s->dc_val_base[i] = 1024; | |
1274 | } | |
1275 | ||
1276 | /* which mb is a intra block */ | |
1277 | FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail); | |
1278 | memset(s->mbintra_table, 1, mb_array_size); | |
1279 | ||
1280 | /* init macroblock skip table */ | |
1281 | FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail); | |
1282 | // Note the + 1 is for a quicker mpeg4 slice_end detection | |
1283 | ||
1284 | return init_er(s); | |
1285 | fail: | |
1286 | return AVERROR(ENOMEM); | |
1287 | } | |
1288 | ||
1289 | /** | |
1290 | * init common structure for both encoder and decoder. | |
1291 | * this assumes that some variables like width/height are already set | |
1292 | */ | |
1293 | av_cold int ff_mpv_common_init(MpegEncContext *s) | |
1294 | { | |
1295 | int i; | |
1296 | int nb_slices = (HAVE_THREADS && | |
1297 | s->avctx->active_thread_type & FF_THREAD_SLICE) ? | |
1298 | s->avctx->thread_count : 1; | |
1299 | ||
1300 | if (s->encoding && s->avctx->slices) | |
1301 | nb_slices = s->avctx->slices; | |
1302 | ||
1303 | if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) | |
1304 | s->mb_height = (s->height + 31) / 32 * 2; | |
1305 | else | |
1306 | s->mb_height = (s->height + 15) / 16; | |
1307 | ||
1308 | if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) { | |
1309 | av_log(s->avctx, AV_LOG_ERROR, | |
1310 | "decoding to AV_PIX_FMT_NONE is not supported.\n"); | |
1311 | return -1; | |
1312 | } | |
1313 | ||
1314 | if (nb_slices > MAX_THREADS || (nb_slices > s->mb_height && s->mb_height)) { | |
1315 | int max_slices; | |
1316 | if (s->mb_height) | |
1317 | max_slices = FFMIN(MAX_THREADS, s->mb_height); | |
1318 | else | |
1319 | max_slices = MAX_THREADS; | |
1320 | av_log(s->avctx, AV_LOG_WARNING, "too many threads/slices (%d)," | |
1321 | " reducing to %d\n", nb_slices, max_slices); | |
1322 | nb_slices = max_slices; | |
1323 | } | |
1324 | ||
1325 | if ((s->width || s->height) && | |
1326 | av_image_check_size(s->width, s->height, 0, s->avctx)) | |
1327 | return -1; | |
1328 | ||
1329 | dct_init(s); | |
1330 | ||
1331 | s->flags = s->avctx->flags; | |
1332 | s->flags2 = s->avctx->flags2; | |
1333 | ||
1334 | /* set chroma shifts */ | |
1335 | avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, | |
1336 | &s->chroma_x_shift, | |
1337 | &s->chroma_y_shift); | |
1338 | ||
1339 | ||
1340 | FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, | |
1341 | MAX_PICTURE_COUNT * sizeof(Picture), fail); | |
1342 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1343 | s->picture[i].f = av_frame_alloc(); | |
1344 | if (!s->picture[i].f) | |
1345 | goto fail; | |
1346 | } | |
1347 | memset(&s->next_picture, 0, sizeof(s->next_picture)); | |
1348 | memset(&s->last_picture, 0, sizeof(s->last_picture)); | |
1349 | memset(&s->current_picture, 0, sizeof(s->current_picture)); | |
1350 | memset(&s->new_picture, 0, sizeof(s->new_picture)); | |
1351 | s->next_picture.f = av_frame_alloc(); | |
1352 | if (!s->next_picture.f) | |
1353 | goto fail; | |
1354 | s->last_picture.f = av_frame_alloc(); | |
1355 | if (!s->last_picture.f) | |
1356 | goto fail; | |
1357 | s->current_picture.f = av_frame_alloc(); | |
1358 | if (!s->current_picture.f) | |
1359 | goto fail; | |
1360 | s->new_picture.f = av_frame_alloc(); | |
1361 | if (!s->new_picture.f) | |
1362 | goto fail; | |
1363 | ||
1364 | if (init_context_frame(s)) | |
1365 | goto fail; | |
1366 | ||
1367 | s->parse_context.state = -1; | |
1368 | ||
1369 | s->context_initialized = 1; | |
1370 | s->thread_context[0] = s; | |
1371 | ||
1372 | // if (s->width && s->height) { | |
1373 | if (nb_slices > 1) { | |
1374 | for (i = 1; i < nb_slices; i++) { | |
1375 | s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); | |
1376 | memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); | |
1377 | } | |
1378 | ||
1379 | for (i = 0; i < nb_slices; i++) { | |
1380 | if (init_duplicate_context(s->thread_context[i]) < 0) | |
1381 | goto fail; | |
1382 | s->thread_context[i]->start_mb_y = | |
1383 | (s->mb_height * (i) + nb_slices / 2) / nb_slices; | |
1384 | s->thread_context[i]->end_mb_y = | |
1385 | (s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; | |
1386 | } | |
1387 | } else { | |
1388 | if (init_duplicate_context(s) < 0) | |
1389 | goto fail; | |
1390 | s->start_mb_y = 0; | |
1391 | s->end_mb_y = s->mb_height; | |
1392 | } | |
1393 | s->slice_context_count = nb_slices; | |
1394 | // } | |
1395 | ||
1396 | return 0; | |
1397 | fail: | |
1398 | ff_mpv_common_end(s); | |
1399 | return -1; | |
1400 | } | |
1401 | ||
1402 | /** | |
1403 | * Frees and resets MpegEncContext fields depending on the resolution. | |
1404 | * Is used during resolution changes to avoid a full reinitialization of the | |
1405 | * codec. | |
1406 | */ | |
1407 | static void free_context_frame(MpegEncContext *s) | |
1408 | { | |
1409 | int i, j, k; | |
1410 | ||
1411 | av_freep(&s->mb_type); | |
1412 | av_freep(&s->p_mv_table_base); | |
1413 | av_freep(&s->b_forw_mv_table_base); | |
1414 | av_freep(&s->b_back_mv_table_base); | |
1415 | av_freep(&s->b_bidir_forw_mv_table_base); | |
1416 | av_freep(&s->b_bidir_back_mv_table_base); | |
1417 | av_freep(&s->b_direct_mv_table_base); | |
1418 | s->p_mv_table = NULL; | |
1419 | s->b_forw_mv_table = NULL; | |
1420 | s->b_back_mv_table = NULL; | |
1421 | s->b_bidir_forw_mv_table = NULL; | |
1422 | s->b_bidir_back_mv_table = NULL; | |
1423 | s->b_direct_mv_table = NULL; | |
1424 | for (i = 0; i < 2; i++) { | |
1425 | for (j = 0; j < 2; j++) { | |
1426 | for (k = 0; k < 2; k++) { | |
1427 | av_freep(&s->b_field_mv_table_base[i][j][k]); | |
1428 | s->b_field_mv_table[i][j][k] = NULL; | |
1429 | } | |
1430 | av_freep(&s->b_field_select_table[i][j]); | |
1431 | av_freep(&s->p_field_mv_table_base[i][j]); | |
1432 | s->p_field_mv_table[i][j] = NULL; | |
1433 | } | |
1434 | av_freep(&s->p_field_select_table[i]); | |
1435 | } | |
1436 | ||
1437 | av_freep(&s->dc_val_base); | |
1438 | av_freep(&s->coded_block_base); | |
1439 | av_freep(&s->mbintra_table); | |
1440 | av_freep(&s->cbp_table); | |
1441 | av_freep(&s->pred_dir_table); | |
1442 | ||
1443 | av_freep(&s->mbskip_table); | |
1444 | ||
1445 | av_freep(&s->er.error_status_table); | |
1446 | av_freep(&s->er.er_temp_buffer); | |
1447 | av_freep(&s->mb_index2xy); | |
1448 | av_freep(&s->lambda_table); | |
1449 | ||
1450 | av_freep(&s->cplx_tab); | |
1451 | av_freep(&s->bits_tab); | |
1452 | ||
1453 | s->linesize = s->uvlinesize = 0; | |
1454 | } | |
1455 | ||
1456 | int ff_mpv_common_frame_size_change(MpegEncContext *s) | |
1457 | { | |
1458 | int i, err = 0; | |
1459 | ||
1460 | if (!s->context_initialized) | |
1461 | return AVERROR(EINVAL); | |
1462 | ||
1463 | if (s->slice_context_count > 1) { | |
1464 | for (i = 0; i < s->slice_context_count; i++) { | |
1465 | free_duplicate_context(s->thread_context[i]); | |
1466 | } | |
1467 | for (i = 1; i < s->slice_context_count; i++) { | |
1468 | av_freep(&s->thread_context[i]); | |
1469 | } | |
1470 | } else | |
1471 | free_duplicate_context(s); | |
1472 | ||
1473 | free_context_frame(s); | |
1474 | ||
1475 | if (s->picture) | |
1476 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1477 | s->picture[i].needs_realloc = 1; | |
1478 | } | |
1479 | ||
1480 | s->last_picture_ptr = | |
1481 | s->next_picture_ptr = | |
1482 | s->current_picture_ptr = NULL; | |
1483 | ||
1484 | // init | |
1485 | if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) | |
1486 | s->mb_height = (s->height + 31) / 32 * 2; | |
1487 | else | |
1488 | s->mb_height = (s->height + 15) / 16; | |
1489 | ||
1490 | if ((s->width || s->height) && | |
1491 | (err = av_image_check_size(s->width, s->height, 0, s->avctx)) < 0) | |
1492 | goto fail; | |
1493 | ||
1494 | if ((err = init_context_frame(s))) | |
1495 | goto fail; | |
1496 | ||
1497 | s->thread_context[0] = s; | |
1498 | ||
1499 | if (s->width && s->height) { | |
1500 | int nb_slices = s->slice_context_count; | |
1501 | if (nb_slices > 1) { | |
1502 | for (i = 1; i < nb_slices; i++) { | |
1503 | s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); | |
1504 | memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); | |
1505 | } | |
1506 | ||
1507 | for (i = 0; i < nb_slices; i++) { | |
1508 | if ((err = init_duplicate_context(s->thread_context[i])) < 0) | |
1509 | goto fail; | |
1510 | s->thread_context[i]->start_mb_y = | |
1511 | (s->mb_height * (i) + nb_slices / 2) / nb_slices; | |
1512 | s->thread_context[i]->end_mb_y = | |
1513 | (s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; | |
1514 | } | |
1515 | } else { | |
1516 | err = init_duplicate_context(s); | |
1517 | if (err < 0) | |
1518 | goto fail; | |
1519 | s->start_mb_y = 0; | |
1520 | s->end_mb_y = s->mb_height; | |
1521 | } | |
1522 | s->slice_context_count = nb_slices; | |
1523 | } | |
1524 | ||
1525 | return 0; | |
1526 | fail: | |
1527 | ff_mpv_common_end(s); | |
1528 | return err; | |
1529 | } | |
1530 | ||
1531 | /* init common structure for both encoder and decoder */ | |
1532 | void ff_mpv_common_end(MpegEncContext *s) | |
1533 | { | |
1534 | int i; | |
1535 | ||
1536 | if (s->slice_context_count > 1) { | |
1537 | for (i = 0; i < s->slice_context_count; i++) { | |
1538 | free_duplicate_context(s->thread_context[i]); | |
1539 | } | |
1540 | for (i = 1; i < s->slice_context_count; i++) { | |
1541 | av_freep(&s->thread_context[i]); | |
1542 | } | |
1543 | s->slice_context_count = 1; | |
1544 | } else free_duplicate_context(s); | |
1545 | ||
1546 | av_freep(&s->parse_context.buffer); | |
1547 | s->parse_context.buffer_size = 0; | |
1548 | ||
1549 | av_freep(&s->bitstream_buffer); | |
1550 | s->allocated_bitstream_buffer_size = 0; | |
1551 | ||
1552 | if (s->picture) { | |
1553 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1554 | ff_free_picture_tables(&s->picture[i]); | |
1555 | ff_mpeg_unref_picture(s, &s->picture[i]); | |
1556 | av_frame_free(&s->picture[i].f); | |
1557 | } | |
1558 | } | |
1559 | av_freep(&s->picture); | |
1560 | ff_free_picture_tables(&s->last_picture); | |
1561 | ff_mpeg_unref_picture(s, &s->last_picture); | |
1562 | av_frame_free(&s->last_picture.f); | |
1563 | ff_free_picture_tables(&s->current_picture); | |
1564 | ff_mpeg_unref_picture(s, &s->current_picture); | |
1565 | av_frame_free(&s->current_picture.f); | |
1566 | ff_free_picture_tables(&s->next_picture); | |
1567 | ff_mpeg_unref_picture(s, &s->next_picture); | |
1568 | av_frame_free(&s->next_picture.f); | |
1569 | ff_free_picture_tables(&s->new_picture); | |
1570 | ff_mpeg_unref_picture(s, &s->new_picture); | |
1571 | av_frame_free(&s->new_picture.f); | |
1572 | ||
1573 | free_context_frame(s); | |
1574 | ||
1575 | s->context_initialized = 0; | |
1576 | s->last_picture_ptr = | |
1577 | s->next_picture_ptr = | |
1578 | s->current_picture_ptr = NULL; | |
1579 | s->linesize = s->uvlinesize = 0; | |
1580 | } | |
1581 | ||
1582 | av_cold void ff_init_rl(RLTable *rl, | |
1583 | uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3]) | |
1584 | { | |
1585 | int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1]; | |
1586 | uint8_t index_run[MAX_RUN + 1]; | |
1587 | int last, run, level, start, end, i; | |
1588 | ||
1589 | /* If table is static, we can quit if rl->max_level[0] is not NULL */ | |
1590 | if (static_store && rl->max_level[0]) | |
1591 | return; | |
1592 | ||
1593 | /* compute max_level[], max_run[] and index_run[] */ | |
1594 | for (last = 0; last < 2; last++) { | |
1595 | if (last == 0) { | |
1596 | start = 0; | |
1597 | end = rl->last; | |
1598 | } else { | |
1599 | start = rl->last; | |
1600 | end = rl->n; | |
1601 | } | |
1602 | ||
1603 | memset(max_level, 0, MAX_RUN + 1); | |
1604 | memset(max_run, 0, MAX_LEVEL + 1); | |
1605 | memset(index_run, rl->n, MAX_RUN + 1); | |
1606 | for (i = start; i < end; i++) { | |
1607 | run = rl->table_run[i]; | |
1608 | level = rl->table_level[i]; | |
1609 | if (index_run[run] == rl->n) | |
1610 | index_run[run] = i; | |
1611 | if (level > max_level[run]) | |
1612 | max_level[run] = level; | |
1613 | if (run > max_run[level]) | |
1614 | max_run[level] = run; | |
1615 | } | |
1616 | if (static_store) | |
1617 | rl->max_level[last] = static_store[last]; | |
1618 | else | |
1619 | rl->max_level[last] = av_malloc(MAX_RUN + 1); | |
1620 | memcpy(rl->max_level[last], max_level, MAX_RUN + 1); | |
1621 | if (static_store) | |
1622 | rl->max_run[last] = static_store[last] + MAX_RUN + 1; | |
1623 | else | |
1624 | rl->max_run[last] = av_malloc(MAX_LEVEL + 1); | |
1625 | memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1); | |
1626 | if (static_store) | |
1627 | rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2; | |
1628 | else | |
1629 | rl->index_run[last] = av_malloc(MAX_RUN + 1); | |
1630 | memcpy(rl->index_run[last], index_run, MAX_RUN + 1); | |
1631 | } | |
1632 | } | |
1633 | ||
1634 | av_cold void ff_init_vlc_rl(RLTable *rl, unsigned static_size) | |
1635 | { | |
1636 | int i, q; | |
1637 | VLC_TYPE table[1500][2] = {{0}}; | |
1638 | VLC vlc = { .table = table, .table_allocated = static_size }; | |
1639 | av_assert0(static_size <= FF_ARRAY_ELEMS(table)); | |
1640 | init_vlc(&vlc, 9, rl->n + 1, &rl->table_vlc[0][1], 4, 2, &rl->table_vlc[0][0], 4, 2, INIT_VLC_USE_NEW_STATIC); | |
1641 | ||
1642 | for (q = 0; q < 32; q++) { | |
1643 | int qmul = q * 2; | |
1644 | int qadd = (q - 1) | 1; | |
1645 | ||
1646 | if (q == 0) { | |
1647 | qmul = 1; | |
1648 | qadd = 0; | |
1649 | } | |
1650 | for (i = 0; i < vlc.table_size; i++) { | |
1651 | int code = vlc.table[i][0]; | |
1652 | int len = vlc.table[i][1]; | |
1653 | int level, run; | |
1654 | ||
1655 | if (len == 0) { // illegal code | |
1656 | run = 66; | |
1657 | level = MAX_LEVEL; | |
1658 | } else if (len < 0) { // more bits needed | |
1659 | run = 0; | |
1660 | level = code; | |
1661 | } else { | |
1662 | if (code == rl->n) { // esc | |
1663 | run = 66; | |
1664 | level = 0; | |
1665 | } else { | |
1666 | run = rl->table_run[code] + 1; | |
1667 | level = rl->table_level[code] * qmul + qadd; | |
1668 | if (code >= rl->last) run += 192; | |
1669 | } | |
1670 | } | |
1671 | rl->rl_vlc[q][i].len = len; | |
1672 | rl->rl_vlc[q][i].level = level; | |
1673 | rl->rl_vlc[q][i].run = run; | |
1674 | } | |
1675 | } | |
1676 | } | |
1677 | ||
1678 | static void release_unused_pictures(MpegEncContext *s) | |
1679 | { | |
1680 | int i; | |
1681 | ||
1682 | /* release non reference frames */ | |
1683 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1684 | if (!s->picture[i].reference) | |
1685 | ff_mpeg_unref_picture(s, &s->picture[i]); | |
1686 | } | |
1687 | } | |
1688 | ||
1689 | static inline int pic_is_unused(MpegEncContext *s, Picture *pic) | |
1690 | { | |
1691 | if (pic == s->last_picture_ptr) | |
1692 | return 0; | |
1693 | if (!pic->f->buf[0]) | |
1694 | return 1; | |
1695 | if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF)) | |
1696 | return 1; | |
1697 | return 0; | |
1698 | } | |
1699 | ||
1700 | static int find_unused_picture(MpegEncContext *s, int shared) | |
1701 | { | |
1702 | int i; | |
1703 | ||
1704 | if (shared) { | |
1705 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1706 | if (!s->picture[i].f->buf[0] && &s->picture[i] != s->last_picture_ptr) | |
1707 | return i; | |
1708 | } | |
1709 | } else { | |
1710 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1711 | if (pic_is_unused(s, &s->picture[i])) | |
1712 | return i; | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | av_log(s->avctx, AV_LOG_FATAL, | |
1717 | "Internal error, picture buffer overflow\n"); | |
1718 | /* We could return -1, but the codec would crash trying to draw into a | |
1719 | * non-existing frame anyway. This is safer than waiting for a random crash. | |
1720 | * Also the return of this is never useful, an encoder must only allocate | |
1721 | * as much as allowed in the specification. This has no relationship to how | |
1722 | * much libavcodec could allocate (and MAX_PICTURE_COUNT is always large | |
1723 | * enough for such valid streams). | |
1724 | * Plus, a decoder has to check stream validity and remove frames if too | |
1725 | * many reference frames are around. Waiting for "OOM" is not correct at | |
1726 | * all. Similarly, missing reference frames have to be replaced by | |
1727 | * interpolated/MC frames, anything else is a bug in the codec ... | |
1728 | */ | |
1729 | abort(); | |
1730 | return -1; | |
1731 | } | |
1732 | ||
1733 | int ff_find_unused_picture(MpegEncContext *s, int shared) | |
1734 | { | |
1735 | int ret = find_unused_picture(s, shared); | |
1736 | ||
1737 | if (ret >= 0 && ret < MAX_PICTURE_COUNT) { | |
1738 | if (s->picture[ret].needs_realloc) { | |
1739 | s->picture[ret].needs_realloc = 0; | |
1740 | ff_free_picture_tables(&s->picture[ret]); | |
1741 | ff_mpeg_unref_picture(s, &s->picture[ret]); | |
1742 | } | |
1743 | } | |
1744 | return ret; | |
1745 | } | |
1746 | ||
1747 | static void gray_frame(AVFrame *frame) | |
1748 | { | |
1749 | int i, h_chroma_shift, v_chroma_shift; | |
1750 | ||
1751 | av_pix_fmt_get_chroma_sub_sample(frame->format, &h_chroma_shift, &v_chroma_shift); | |
1752 | ||
1753 | for(i=0; i<frame->height; i++) | |
1754 | memset(frame->data[0] + frame->linesize[0]*i, 0x80, frame->width); | |
1755 | for(i=0; i<FF_CEIL_RSHIFT(frame->height, v_chroma_shift); i++) { | |
1756 | memset(frame->data[1] + frame->linesize[1]*i, | |
1757 | 0x80, FF_CEIL_RSHIFT(frame->width, h_chroma_shift)); | |
1758 | memset(frame->data[2] + frame->linesize[2]*i, | |
1759 | 0x80, FF_CEIL_RSHIFT(frame->width, h_chroma_shift)); | |
1760 | } | |
1761 | } | |
1762 | ||
1763 | /** | |
1764 | * generic function called after decoding | |
1765 | * the header and before a frame is decoded. | |
1766 | */ | |
1767 | int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx) | |
1768 | { | |
1769 | int i, ret; | |
1770 | Picture *pic; | |
1771 | s->mb_skipped = 0; | |
1772 | ||
1773 | if (!ff_thread_can_start_frame(avctx)) { | |
1774 | av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n"); | |
1775 | return -1; | |
1776 | } | |
1777 | ||
1778 | /* mark & release old frames */ | |
1779 | if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr && | |
1780 | s->last_picture_ptr != s->next_picture_ptr && | |
1781 | s->last_picture_ptr->f->buf[0]) { | |
1782 | ff_mpeg_unref_picture(s, s->last_picture_ptr); | |
1783 | } | |
1784 | ||
1785 | /* release forgotten pictures */ | |
1786 | /* if (mpeg124/h263) */ | |
1787 | for (i = 0; i < MAX_PICTURE_COUNT; i++) { | |
1788 | if (&s->picture[i] != s->last_picture_ptr && | |
1789 | &s->picture[i] != s->next_picture_ptr && | |
1790 | s->picture[i].reference && !s->picture[i].needs_realloc) { | |
1791 | if (!(avctx->active_thread_type & FF_THREAD_FRAME)) | |
1792 | av_log(avctx, AV_LOG_ERROR, | |
1793 | "releasing zombie picture\n"); | |
1794 | ff_mpeg_unref_picture(s, &s->picture[i]); | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | ff_mpeg_unref_picture(s, &s->current_picture); | |
1799 | ||
1800 | release_unused_pictures(s); | |
1801 | ||
1802 | if (s->current_picture_ptr && !s->current_picture_ptr->f->buf[0]) { | |
1803 | // we already have a unused image | |
1804 | // (maybe it was set before reading the header) | |
1805 | pic = s->current_picture_ptr; | |
1806 | } else { | |
1807 | i = ff_find_unused_picture(s, 0); | |
1808 | if (i < 0) { | |
1809 | av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); | |
1810 | return i; | |
1811 | } | |
1812 | pic = &s->picture[i]; | |
1813 | } | |
1814 | ||
1815 | pic->reference = 0; | |
1816 | if (!s->droppable) { | |
1817 | if (s->pict_type != AV_PICTURE_TYPE_B) | |
1818 | pic->reference = 3; | |
1819 | } | |
1820 | ||
1821 | pic->f->coded_picture_number = s->coded_picture_number++; | |
1822 | ||
1823 | if (ff_alloc_picture(s, pic, 0) < 0) | |
1824 | return -1; | |
1825 | ||
1826 | s->current_picture_ptr = pic; | |
1827 | // FIXME use only the vars from current_pic | |
1828 | s->current_picture_ptr->f->top_field_first = s->top_field_first; | |
1829 | if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || | |
1830 | s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { | |
1831 | if (s->picture_structure != PICT_FRAME) | |
1832 | s->current_picture_ptr->f->top_field_first = | |
1833 | (s->picture_structure == PICT_TOP_FIELD) == s->first_field; | |
1834 | } | |
1835 | s->current_picture_ptr->f->interlaced_frame = !s->progressive_frame && | |
1836 | !s->progressive_sequence; | |
1837 | s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME; | |
1838 | ||
1839 | s->current_picture_ptr->f->pict_type = s->pict_type; | |
1840 | // if (s->flags && CODEC_FLAG_QSCALE) | |
1841 | // s->current_picture_ptr->quality = s->new_picture_ptr->quality; | |
1842 | s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I; | |
1843 | ||
1844 | if ((ret = ff_mpeg_ref_picture(s, &s->current_picture, | |
1845 | s->current_picture_ptr)) < 0) | |
1846 | return ret; | |
1847 | ||
1848 | if (s->pict_type != AV_PICTURE_TYPE_B) { | |
1849 | s->last_picture_ptr = s->next_picture_ptr; | |
1850 | if (!s->droppable) | |
1851 | s->next_picture_ptr = s->current_picture_ptr; | |
1852 | } | |
1853 | av_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", | |
1854 | s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr, | |
1855 | s->last_picture_ptr ? s->last_picture_ptr->f->data[0] : NULL, | |
1856 | s->next_picture_ptr ? s->next_picture_ptr->f->data[0] : NULL, | |
1857 | s->current_picture_ptr ? s->current_picture_ptr->f->data[0] : NULL, | |
1858 | s->pict_type, s->droppable); | |
1859 | ||
1860 | if ((!s->last_picture_ptr || !s->last_picture_ptr->f->buf[0]) && | |
1861 | (s->pict_type != AV_PICTURE_TYPE_I || | |
1862 | s->picture_structure != PICT_FRAME)) { | |
1863 | int h_chroma_shift, v_chroma_shift; | |
1864 | av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, | |
1865 | &h_chroma_shift, &v_chroma_shift); | |
1866 | if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture_ptr && s->next_picture_ptr->f->buf[0]) | |
1867 | av_log(avctx, AV_LOG_DEBUG, | |
1868 | "allocating dummy last picture for B frame\n"); | |
1869 | else if (s->pict_type != AV_PICTURE_TYPE_I) | |
1870 | av_log(avctx, AV_LOG_ERROR, | |
1871 | "warning: first frame is no keyframe\n"); | |
1872 | else if (s->picture_structure != PICT_FRAME) | |
1873 | av_log(avctx, AV_LOG_DEBUG, | |
1874 | "allocate dummy last picture for field based first keyframe\n"); | |
1875 | ||
1876 | /* Allocate a dummy frame */ | |
1877 | i = ff_find_unused_picture(s, 0); | |
1878 | if (i < 0) { | |
1879 | av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); | |
1880 | return i; | |
1881 | } | |
1882 | s->last_picture_ptr = &s->picture[i]; | |
1883 | ||
1884 | s->last_picture_ptr->reference = 3; | |
1885 | s->last_picture_ptr->f->key_frame = 0; | |
1886 | s->last_picture_ptr->f->pict_type = AV_PICTURE_TYPE_P; | |
1887 | ||
1888 | if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) { | |
1889 | s->last_picture_ptr = NULL; | |
1890 | return -1; | |
1891 | } | |
1892 | ||
1893 | if (!avctx->hwaccel && !(avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)) { | |
1894 | for(i=0; i<avctx->height; i++) | |
1895 | memset(s->last_picture_ptr->f->data[0] + s->last_picture_ptr->f->linesize[0]*i, | |
1896 | 0x80, avctx->width); | |
1897 | for(i=0; i<FF_CEIL_RSHIFT(avctx->height, v_chroma_shift); i++) { | |
1898 | memset(s->last_picture_ptr->f->data[1] + s->last_picture_ptr->f->linesize[1]*i, | |
1899 | 0x80, FF_CEIL_RSHIFT(avctx->width, h_chroma_shift)); | |
1900 | memset(s->last_picture_ptr->f->data[2] + s->last_picture_ptr->f->linesize[2]*i, | |
1901 | 0x80, FF_CEIL_RSHIFT(avctx->width, h_chroma_shift)); | |
1902 | } | |
1903 | ||
1904 | if(s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263){ | |
1905 | for(i=0; i<avctx->height; i++) | |
1906 | memset(s->last_picture_ptr->f->data[0] + s->last_picture_ptr->f->linesize[0]*i, 16, avctx->width); | |
1907 | } | |
1908 | } | |
1909 | ||
1910 | ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0); | |
1911 | ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1); | |
1912 | } | |
1913 | if ((!s->next_picture_ptr || !s->next_picture_ptr->f->buf[0]) && | |
1914 | s->pict_type == AV_PICTURE_TYPE_B) { | |
1915 | /* Allocate a dummy frame */ | |
1916 | i = ff_find_unused_picture(s, 0); | |
1917 | if (i < 0) { | |
1918 | av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); | |
1919 | return i; | |
1920 | } | |
1921 | s->next_picture_ptr = &s->picture[i]; | |
1922 | ||
1923 | s->next_picture_ptr->reference = 3; | |
1924 | s->next_picture_ptr->f->key_frame = 0; | |
1925 | s->next_picture_ptr->f->pict_type = AV_PICTURE_TYPE_P; | |
1926 | ||
1927 | if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) { | |
1928 | s->next_picture_ptr = NULL; | |
1929 | return -1; | |
1930 | } | |
1931 | ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 0); | |
1932 | ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1); | |
1933 | } | |
1934 | ||
1935 | #if 0 // BUFREF-FIXME | |
1936 | memset(s->last_picture.f->data, 0, sizeof(s->last_picture.f->data)); | |
1937 | memset(s->next_picture.f->data, 0, sizeof(s->next_picture.f->data)); | |
1938 | #endif | |
1939 | if (s->last_picture_ptr) { | |
1940 | ff_mpeg_unref_picture(s, &s->last_picture); | |
1941 | if (s->last_picture_ptr->f->buf[0] && | |
1942 | (ret = ff_mpeg_ref_picture(s, &s->last_picture, | |
1943 | s->last_picture_ptr)) < 0) | |
1944 | return ret; | |
1945 | } | |
1946 | if (s->next_picture_ptr) { | |
1947 | ff_mpeg_unref_picture(s, &s->next_picture); | |
1948 | if (s->next_picture_ptr->f->buf[0] && | |
1949 | (ret = ff_mpeg_ref_picture(s, &s->next_picture, | |
1950 | s->next_picture_ptr)) < 0) | |
1951 | return ret; | |
1952 | } | |
1953 | ||
1954 | av_assert0(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr && | |
1955 | s->last_picture_ptr->f->buf[0])); | |
1956 | ||
1957 | if (s->picture_structure!= PICT_FRAME) { | |
1958 | int i; | |
1959 | for (i = 0; i < 4; i++) { | |
1960 | if (s->picture_structure == PICT_BOTTOM_FIELD) { | |
1961 | s->current_picture.f->data[i] += | |
1962 | s->current_picture.f->linesize[i]; | |
1963 | } | |
1964 | s->current_picture.f->linesize[i] *= 2; | |
1965 | s->last_picture.f->linesize[i] *= 2; | |
1966 | s->next_picture.f->linesize[i] *= 2; | |
1967 | } | |
1968 | } | |
1969 | ||
1970 | s->err_recognition = avctx->err_recognition; | |
1971 | ||
1972 | /* set dequantizer, we can't do it during init as | |
1973 | * it might change for mpeg4 and we can't do it in the header | |
1974 | * decode as init is not called for mpeg4 there yet */ | |
1975 | if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { | |
1976 | s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra; | |
1977 | s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; | |
1978 | } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { | |
1979 | s->dct_unquantize_intra = s->dct_unquantize_h263_intra; | |
1980 | s->dct_unquantize_inter = s->dct_unquantize_h263_inter; | |
1981 | } else { | |
1982 | s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra; | |
1983 | s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter; | |
1984 | } | |
1985 | ||
1986 | if (s->avctx->debug & FF_DEBUG_NOMC) { | |
1987 | gray_frame(s->current_picture_ptr->f); | |
1988 | } | |
1989 | ||
1990 | return 0; | |
1991 | } | |
1992 | ||
1993 | /* called after a frame has been decoded. */ | |
1994 | void ff_mpv_frame_end(MpegEncContext *s) | |
1995 | { | |
1996 | emms_c(); | |
1997 | ||
1998 | if (s->current_picture.reference) | |
1999 | ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0); | |
2000 | } | |
2001 | ||
2002 | ||
2003 | #if FF_API_VISMV | |
2004 | static int clip_line(int *sx, int *sy, int *ex, int *ey, int maxx) | |
2005 | { | |
2006 | if(*sx > *ex) | |
2007 | return clip_line(ex, ey, sx, sy, maxx); | |
2008 | ||
2009 | if (*sx < 0) { | |
2010 | if (*ex < 0) | |
2011 | return 1; | |
2012 | *sy = *ey + (*sy - *ey) * (int64_t)*ex / (*ex - *sx); | |
2013 | *sx = 0; | |
2014 | } | |
2015 | ||
2016 | if (*ex > maxx) { | |
2017 | if (*sx > maxx) | |
2018 | return 1; | |
2019 | *ey = *sy + (*ey - *sy) * (int64_t)(maxx - *sx) / (*ex - *sx); | |
2020 | *ex = maxx; | |
2021 | } | |
2022 | return 0; | |
2023 | } | |
2024 | ||
2025 | ||
2026 | /** | |
2027 | * Draw a line from (ex, ey) -> (sx, sy). | |
2028 | * @param w width of the image | |
2029 | * @param h height of the image | |
2030 | * @param stride stride/linesize of the image | |
2031 | * @param color color of the arrow | |
2032 | */ | |
2033 | static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, | |
2034 | int w, int h, int stride, int color) | |
2035 | { | |
2036 | int x, y, fr, f; | |
2037 | ||
2038 | if (clip_line(&sx, &sy, &ex, &ey, w - 1)) | |
2039 | return; | |
2040 | if (clip_line(&sy, &sx, &ey, &ex, h - 1)) | |
2041 | return; | |
2042 | ||
2043 | sx = av_clip(sx, 0, w - 1); | |
2044 | sy = av_clip(sy, 0, h - 1); | |
2045 | ex = av_clip(ex, 0, w - 1); | |
2046 | ey = av_clip(ey, 0, h - 1); | |
2047 | ||
2048 | buf[sy * stride + sx] += color; | |
2049 | ||
2050 | if (FFABS(ex - sx) > FFABS(ey - sy)) { | |
2051 | if (sx > ex) { | |
2052 | FFSWAP(int, sx, ex); | |
2053 | FFSWAP(int, sy, ey); | |
2054 | } | |
2055 | buf += sx + sy * stride; | |
2056 | ex -= sx; | |
2057 | f = ((ey - sy) << 16) / ex; | |
2058 | for (x = 0; x <= ex; x++) { | |
2059 | y = (x * f) >> 16; | |
2060 | fr = (x * f) & 0xFFFF; | |
2061 | buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; | |
2062 | if(fr) buf[(y + 1) * stride + x] += (color * fr ) >> 16; | |
2063 | } | |
2064 | } else { | |
2065 | if (sy > ey) { | |
2066 | FFSWAP(int, sx, ex); | |
2067 | FFSWAP(int, sy, ey); | |
2068 | } | |
2069 | buf += sx + sy * stride; | |
2070 | ey -= sy; | |
2071 | if (ey) | |
2072 | f = ((ex - sx) << 16) / ey; | |
2073 | else | |
2074 | f = 0; | |
2075 | for(y= 0; y <= ey; y++){ | |
2076 | x = (y*f) >> 16; | |
2077 | fr = (y*f) & 0xFFFF; | |
2078 | buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; | |
2079 | if(fr) buf[y * stride + x + 1] += (color * fr ) >> 16; | |
2080 | } | |
2081 | } | |
2082 | } | |
2083 | ||
2084 | /** | |
2085 | * Draw an arrow from (ex, ey) -> (sx, sy). | |
2086 | * @param w width of the image | |
2087 | * @param h height of the image | |
2088 | * @param stride stride/linesize of the image | |
2089 | * @param color color of the arrow | |
2090 | */ | |
2091 | static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, | |
2092 | int ey, int w, int h, int stride, int color, int tail, int direction) | |
2093 | { | |
2094 | int dx,dy; | |
2095 | ||
2096 | if (direction) { | |
2097 | FFSWAP(int, sx, ex); | |
2098 | FFSWAP(int, sy, ey); | |
2099 | } | |
2100 | ||
2101 | sx = av_clip(sx, -100, w + 100); | |
2102 | sy = av_clip(sy, -100, h + 100); | |
2103 | ex = av_clip(ex, -100, w + 100); | |
2104 | ey = av_clip(ey, -100, h + 100); | |
2105 | ||
2106 | dx = ex - sx; | |
2107 | dy = ey - sy; | |
2108 | ||
2109 | if (dx * dx + dy * dy > 3 * 3) { | |
2110 | int rx = dx + dy; | |
2111 | int ry = -dx + dy; | |
2112 | int length = ff_sqrt((rx * rx + ry * ry) << 8); | |
2113 | ||
2114 | // FIXME subpixel accuracy | |
2115 | rx = ROUNDED_DIV(rx * 3 << 4, length); | |
2116 | ry = ROUNDED_DIV(ry * 3 << 4, length); | |
2117 | ||
2118 | if (tail) { | |
2119 | rx = -rx; | |
2120 | ry = -ry; | |
2121 | } | |
2122 | ||
2123 | draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color); | |
2124 | draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color); | |
2125 | } | |
2126 | draw_line(buf, sx, sy, ex, ey, w, h, stride, color); | |
2127 | } | |
2128 | #endif | |
2129 | ||
2130 | static int add_mb(AVMotionVector *mb, uint32_t mb_type, | |
2131 | int dst_x, int dst_y, | |
2132 | int src_x, int src_y, | |
2133 | int direction) | |
2134 | { | |
2135 | if (dst_x == src_x && dst_y == src_y) | |
2136 | return 0; | |
2137 | mb->w = IS_8X8(mb_type) || IS_8X16(mb_type) ? 8 : 16; | |
2138 | mb->h = IS_8X8(mb_type) || IS_16X8(mb_type) ? 8 : 16; | |
2139 | mb->src_x = src_x; | |
2140 | mb->src_y = src_y; | |
2141 | mb->dst_x = dst_x; | |
2142 | mb->dst_y = dst_y; | |
2143 | mb->source = direction ? 1 : -1; | |
2144 | mb->flags = 0; // XXX: does mb_type contain extra information that could be exported here? | |
2145 | return 1; | |
2146 | } | |
2147 | ||
2148 | /** | |
2149 | * Print debugging info for the given picture. | |
2150 | */ | |
2151 | void ff_print_debug_info2(AVCodecContext *avctx, AVFrame *pict, uint8_t *mbskip_table, | |
2152 | uint32_t *mbtype_table, int8_t *qscale_table, int16_t (*motion_val[2])[2], | |
2153 | int *low_delay, | |
2154 | int mb_width, int mb_height, int mb_stride, int quarter_sample) | |
2155 | { | |
2156 | if ((avctx->flags2 & CODEC_FLAG2_EXPORT_MVS) && mbtype_table && motion_val[0]) { | |
2157 | const int shift = 1 + quarter_sample; | |
2158 | const int mv_sample_log2 = avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_SVQ3 ? 2 : 1; | |
2159 | const int mv_stride = (mb_width << mv_sample_log2) + | |
2160 | (avctx->codec->id == AV_CODEC_ID_H264 ? 0 : 1); | |
2161 | int mb_x, mb_y, mbcount = 0; | |
2162 | ||
2163 | /* size is width * height * 2 * 4 where 2 is for directions and 4 is | |
2164 | * for the maximum number of MB (4 MB in case of IS_8x8) */ | |
2165 | AVMotionVector *mvs = av_malloc_array(mb_width * mb_height, 2 * 4 * sizeof(AVMotionVector)); | |
2166 | if (!mvs) | |
2167 | return; | |
2168 | ||
2169 | for (mb_y = 0; mb_y < mb_height; mb_y++) { | |
2170 | for (mb_x = 0; mb_x < mb_width; mb_x++) { | |
2171 | int i, direction, mb_type = mbtype_table[mb_x + mb_y * mb_stride]; | |
2172 | for (direction = 0; direction < 2; direction++) { | |
2173 | if (!USES_LIST(mb_type, direction)) | |
2174 | continue; | |
2175 | if (IS_8X8(mb_type)) { | |
2176 | for (i = 0; i < 4; i++) { | |
2177 | int sx = mb_x * 16 + 4 + 8 * (i & 1); | |
2178 | int sy = mb_y * 16 + 4 + 8 * (i >> 1); | |
2179 | int xy = (mb_x * 2 + (i & 1) + | |
2180 | (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); | |
2181 | int mx = (motion_val[direction][xy][0] >> shift) + sx; | |
2182 | int my = (motion_val[direction][xy][1] >> shift) + sy; | |
2183 | mbcount += add_mb(mvs + mbcount, mb_type, sx, sy, mx, my, direction); | |
2184 | } | |
2185 | } else if (IS_16X8(mb_type)) { | |
2186 | for (i = 0; i < 2; i++) { | |
2187 | int sx = mb_x * 16 + 8; | |
2188 | int sy = mb_y * 16 + 4 + 8 * i; | |
2189 | int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1); | |
2190 | int mx = (motion_val[direction][xy][0] >> shift); | |
2191 | int my = (motion_val[direction][xy][1] >> shift); | |
2192 | ||
2193 | if (IS_INTERLACED(mb_type)) | |
2194 | my *= 2; | |
2195 | ||
2196 | mbcount += add_mb(mvs + mbcount, mb_type, sx, sy, mx + sx, my + sy, direction); | |
2197 | } | |
2198 | } else if (IS_8X16(mb_type)) { | |
2199 | for (i = 0; i < 2; i++) { | |
2200 | int sx = mb_x * 16 + 4 + 8 * i; | |
2201 | int sy = mb_y * 16 + 8; | |
2202 | int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1); | |
2203 | int mx = motion_val[direction][xy][0] >> shift; | |
2204 | int my = motion_val[direction][xy][1] >> shift; | |
2205 | ||
2206 | if (IS_INTERLACED(mb_type)) | |
2207 | my *= 2; | |
2208 | ||
2209 | mbcount += add_mb(mvs + mbcount, mb_type, sx, sy, mx + sx, my + sy, direction); | |
2210 | } | |
2211 | } else { | |
2212 | int sx = mb_x * 16 + 8; | |
2213 | int sy = mb_y * 16 + 8; | |
2214 | int xy = (mb_x + mb_y * mv_stride) << mv_sample_log2; | |
2215 | int mx = (motion_val[direction][xy][0]>>shift) + sx; | |
2216 | int my = (motion_val[direction][xy][1]>>shift) + sy; | |
2217 | mbcount += add_mb(mvs + mbcount, mb_type, sx, sy, mx, my, direction); | |
2218 | } | |
2219 | } | |
2220 | } | |
2221 | } | |
2222 | ||
2223 | if (mbcount) { | |
2224 | AVFrameSideData *sd; | |
2225 | ||
2226 | av_log(avctx, AV_LOG_DEBUG, "Adding %d MVs info to frame %d\n", mbcount, avctx->frame_number); | |
2227 | sd = av_frame_new_side_data(pict, AV_FRAME_DATA_MOTION_VECTORS, mbcount * sizeof(AVMotionVector)); | |
2228 | if (!sd) | |
2229 | return; | |
2230 | memcpy(sd->data, mvs, mbcount * sizeof(AVMotionVector)); | |
2231 | } | |
2232 | ||
2233 | av_freep(&mvs); | |
2234 | } | |
2235 | ||
2236 | /* TODO: export all the following to make them accessible for users (and filters) */ | |
2237 | if (avctx->hwaccel || !mbtype_table | |
2238 | || (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)) | |
2239 | return; | |
2240 | ||
2241 | ||
2242 | if (avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) { | |
2243 | int x,y; | |
2244 | ||
2245 | av_log(avctx, AV_LOG_DEBUG, "New frame, type: %c\n", | |
2246 | av_get_picture_type_char(pict->pict_type)); | |
2247 | for (y = 0; y < mb_height; y++) { | |
2248 | for (x = 0; x < mb_width; x++) { | |
2249 | if (avctx->debug & FF_DEBUG_SKIP) { | |
2250 | int count = mbskip_table[x + y * mb_stride]; | |
2251 | if (count > 9) | |
2252 | count = 9; | |
2253 | av_log(avctx, AV_LOG_DEBUG, "%1d", count); | |
2254 | } | |
2255 | if (avctx->debug & FF_DEBUG_QP) { | |
2256 | av_log(avctx, AV_LOG_DEBUG, "%2d", | |
2257 | qscale_table[x + y * mb_stride]); | |
2258 | } | |
2259 | if (avctx->debug & FF_DEBUG_MB_TYPE) { | |
2260 | int mb_type = mbtype_table[x + y * mb_stride]; | |
2261 | // Type & MV direction | |
2262 | if (IS_PCM(mb_type)) | |
2263 | av_log(avctx, AV_LOG_DEBUG, "P"); | |
2264 | else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type)) | |
2265 | av_log(avctx, AV_LOG_DEBUG, "A"); | |
2266 | else if (IS_INTRA4x4(mb_type)) | |
2267 | av_log(avctx, AV_LOG_DEBUG, "i"); | |
2268 | else if (IS_INTRA16x16(mb_type)) | |
2269 | av_log(avctx, AV_LOG_DEBUG, "I"); | |
2270 | else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) | |
2271 | av_log(avctx, AV_LOG_DEBUG, "d"); | |
2272 | else if (IS_DIRECT(mb_type)) | |
2273 | av_log(avctx, AV_LOG_DEBUG, "D"); | |
2274 | else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) | |
2275 | av_log(avctx, AV_LOG_DEBUG, "g"); | |
2276 | else if (IS_GMC(mb_type)) | |
2277 | av_log(avctx, AV_LOG_DEBUG, "G"); | |
2278 | else if (IS_SKIP(mb_type)) | |
2279 | av_log(avctx, AV_LOG_DEBUG, "S"); | |
2280 | else if (!USES_LIST(mb_type, 1)) | |
2281 | av_log(avctx, AV_LOG_DEBUG, ">"); | |
2282 | else if (!USES_LIST(mb_type, 0)) | |
2283 | av_log(avctx, AV_LOG_DEBUG, "<"); | |
2284 | else { | |
2285 | av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); | |
2286 | av_log(avctx, AV_LOG_DEBUG, "X"); | |
2287 | } | |
2288 | ||
2289 | // segmentation | |
2290 | if (IS_8X8(mb_type)) | |
2291 | av_log(avctx, AV_LOG_DEBUG, "+"); | |
2292 | else if (IS_16X8(mb_type)) | |
2293 | av_log(avctx, AV_LOG_DEBUG, "-"); | |
2294 | else if (IS_8X16(mb_type)) | |
2295 | av_log(avctx, AV_LOG_DEBUG, "|"); | |
2296 | else if (IS_INTRA(mb_type) || IS_16X16(mb_type)) | |
2297 | av_log(avctx, AV_LOG_DEBUG, " "); | |
2298 | else | |
2299 | av_log(avctx, AV_LOG_DEBUG, "?"); | |
2300 | ||
2301 | ||
2302 | if (IS_INTERLACED(mb_type)) | |
2303 | av_log(avctx, AV_LOG_DEBUG, "="); | |
2304 | else | |
2305 | av_log(avctx, AV_LOG_DEBUG, " "); | |
2306 | } | |
2307 | } | |
2308 | av_log(avctx, AV_LOG_DEBUG, "\n"); | |
2309 | } | |
2310 | } | |
2311 | ||
2312 | if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) || | |
2313 | (avctx->debug_mv)) { | |
2314 | int mb_y; | |
2315 | int i; | |
2316 | int h_chroma_shift, v_chroma_shift, block_height; | |
2317 | #if FF_API_VISMV | |
2318 | const int shift = 1 + quarter_sample; | |
2319 | uint8_t *ptr; | |
2320 | const int width = avctx->width; | |
2321 | const int height = avctx->height; | |
2322 | #endif | |
2323 | const int mv_sample_log2 = avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_SVQ3 ? 2 : 1; | |
2324 | const int mv_stride = (mb_width << mv_sample_log2) + | |
2325 | (avctx->codec->id == AV_CODEC_ID_H264 ? 0 : 1); | |
2326 | ||
2327 | *low_delay = 0; // needed to see the vectors without trashing the buffers | |
2328 | ||
2329 | avcodec_get_chroma_sub_sample(avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); | |
2330 | ||
2331 | av_frame_make_writable(pict); | |
2332 | ||
2333 | pict->opaque = NULL; | |
2334 | #if FF_API_VISMV | |
2335 | ptr = pict->data[0]; | |
2336 | #endif | |
2337 | block_height = 16 >> v_chroma_shift; | |
2338 | ||
2339 | for (mb_y = 0; mb_y < mb_height; mb_y++) { | |
2340 | int mb_x; | |
2341 | for (mb_x = 0; mb_x < mb_width; mb_x++) { | |
2342 | const int mb_index = mb_x + mb_y * mb_stride; | |
2343 | #if FF_API_VISMV | |
2344 | if ((avctx->debug_mv) && motion_val[0]) { | |
2345 | int type; | |
2346 | for (type = 0; type < 3; type++) { | |
2347 | int direction = 0; | |
2348 | switch (type) { | |
2349 | case 0: | |
2350 | if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_P_FOR)) || | |
2351 | (pict->pict_type!= AV_PICTURE_TYPE_P)) | |
2352 | continue; | |
2353 | direction = 0; | |
2354 | break; | |
2355 | case 1: | |
2356 | if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_FOR)) || | |
2357 | (pict->pict_type!= AV_PICTURE_TYPE_B)) | |
2358 | continue; | |
2359 | direction = 0; | |
2360 | break; | |
2361 | case 2: | |
2362 | if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_BACK)) || | |
2363 | (pict->pict_type!= AV_PICTURE_TYPE_B)) | |
2364 | continue; | |
2365 | direction = 1; | |
2366 | break; | |
2367 | } | |
2368 | if (!USES_LIST(mbtype_table[mb_index], direction)) | |
2369 | continue; | |
2370 | ||
2371 | if (IS_8X8(mbtype_table[mb_index])) { | |
2372 | int i; | |
2373 | for (i = 0; i < 4; i++) { | |
2374 | int sx = mb_x * 16 + 4 + 8 * (i & 1); | |
2375 | int sy = mb_y * 16 + 4 + 8 * (i >> 1); | |
2376 | int xy = (mb_x * 2 + (i & 1) + | |
2377 | (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); | |
2378 | int mx = (motion_val[direction][xy][0] >> shift) + sx; | |
2379 | int my = (motion_val[direction][xy][1] >> shift) + sy; | |
2380 | draw_arrow(ptr, sx, sy, mx, my, width, | |
2381 | height, pict->linesize[0], 100, 0, direction); | |
2382 | } | |
2383 | } else if (IS_16X8(mbtype_table[mb_index])) { | |
2384 | int i; | |
2385 | for (i = 0; i < 2; i++) { | |
2386 | int sx = mb_x * 16 + 8; | |
2387 | int sy = mb_y * 16 + 4 + 8 * i; | |
2388 | int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1); | |
2389 | int mx = (motion_val[direction][xy][0] >> shift); | |
2390 | int my = (motion_val[direction][xy][1] >> shift); | |
2391 | ||
2392 | if (IS_INTERLACED(mbtype_table[mb_index])) | |
2393 | my *= 2; | |
2394 | ||
2395 | draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, | |
2396 | height, pict->linesize[0], 100, 0, direction); | |
2397 | } | |
2398 | } else if (IS_8X16(mbtype_table[mb_index])) { | |
2399 | int i; | |
2400 | for (i = 0; i < 2; i++) { | |
2401 | int sx = mb_x * 16 + 4 + 8 * i; | |
2402 | int sy = mb_y * 16 + 8; | |
2403 | int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1); | |
2404 | int mx = motion_val[direction][xy][0] >> shift; | |
2405 | int my = motion_val[direction][xy][1] >> shift; | |
2406 | ||
2407 | if (IS_INTERLACED(mbtype_table[mb_index])) | |
2408 | my *= 2; | |
2409 | ||
2410 | draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, | |
2411 | height, pict->linesize[0], 100, 0, direction); | |
2412 | } | |
2413 | } else { | |
2414 | int sx= mb_x * 16 + 8; | |
2415 | int sy= mb_y * 16 + 8; | |
2416 | int xy= (mb_x + mb_y * mv_stride) << mv_sample_log2; | |
2417 | int mx= (motion_val[direction][xy][0]>>shift) + sx; | |
2418 | int my= (motion_val[direction][xy][1]>>shift) + sy; | |
2419 | draw_arrow(ptr, sx, sy, mx, my, width, height, pict->linesize[0], 100, 0, direction); | |
2420 | } | |
2421 | } | |
2422 | } | |
2423 | #endif | |
2424 | if ((avctx->debug & FF_DEBUG_VIS_QP)) { | |
2425 | uint64_t c = (qscale_table[mb_index] * 128 / 31) * | |
2426 | 0x0101010101010101ULL; | |
2427 | int y; | |
2428 | for (y = 0; y < block_height; y++) { | |
2429 | *(uint64_t *)(pict->data[1] + 8 * mb_x + | |
2430 | (block_height * mb_y + y) * | |
2431 | pict->linesize[1]) = c; | |
2432 | *(uint64_t *)(pict->data[2] + 8 * mb_x + | |
2433 | (block_height * mb_y + y) * | |
2434 | pict->linesize[2]) = c; | |
2435 | } | |
2436 | } | |
2437 | if ((avctx->debug & FF_DEBUG_VIS_MB_TYPE) && | |
2438 | motion_val[0]) { | |
2439 | int mb_type = mbtype_table[mb_index]; | |
2440 | uint64_t u,v; | |
2441 | int y; | |
2442 | #define COLOR(theta, r) \ | |
2443 | u = (int)(128 + r * cos(theta * 3.141592 / 180)); \ | |
2444 | v = (int)(128 + r * sin(theta * 3.141592 / 180)); | |
2445 | ||
2446 | ||
2447 | u = v = 128; | |
2448 | if (IS_PCM(mb_type)) { | |
2449 | COLOR(120, 48) | |
2450 | } else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) || | |
2451 | IS_INTRA16x16(mb_type)) { | |
2452 | COLOR(30, 48) | |
2453 | } else if (IS_INTRA4x4(mb_type)) { | |
2454 | COLOR(90, 48) | |
2455 | } else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) { | |
2456 | // COLOR(120, 48) | |
2457 | } else if (IS_DIRECT(mb_type)) { | |
2458 | COLOR(150, 48) | |
2459 | } else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) { | |
2460 | COLOR(170, 48) | |
2461 | } else if (IS_GMC(mb_type)) { | |
2462 | COLOR(190, 48) | |
2463 | } else if (IS_SKIP(mb_type)) { | |
2464 | // COLOR(180, 48) | |
2465 | } else if (!USES_LIST(mb_type, 1)) { | |
2466 | COLOR(240, 48) | |
2467 | } else if (!USES_LIST(mb_type, 0)) { | |
2468 | COLOR(0, 48) | |
2469 | } else { | |
2470 | av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); | |
2471 | COLOR(300,48) | |
2472 | } | |
2473 | ||
2474 | u *= 0x0101010101010101ULL; | |
2475 | v *= 0x0101010101010101ULL; | |
2476 | for (y = 0; y < block_height; y++) { | |
2477 | *(uint64_t *)(pict->data[1] + 8 * mb_x + | |
2478 | (block_height * mb_y + y) * pict->linesize[1]) = u; | |
2479 | *(uint64_t *)(pict->data[2] + 8 * mb_x + | |
2480 | (block_height * mb_y + y) * pict->linesize[2]) = v; | |
2481 | } | |
2482 | ||
2483 | // segmentation | |
2484 | if (IS_8X8(mb_type) || IS_16X8(mb_type)) { | |
2485 | *(uint64_t *)(pict->data[0] + 16 * mb_x + 0 + | |
2486 | (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; | |
2487 | *(uint64_t *)(pict->data[0] + 16 * mb_x + 8 + | |
2488 | (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; | |
2489 | } | |
2490 | if (IS_8X8(mb_type) || IS_8X16(mb_type)) { | |
2491 | for (y = 0; y < 16; y++) | |
2492 | pict->data[0][16 * mb_x + 8 + (16 * mb_y + y) * | |
2493 | pict->linesize[0]] ^= 0x80; | |
2494 | } | |
2495 | if (IS_8X8(mb_type) && mv_sample_log2 >= 2) { | |
2496 | int dm = 1 << (mv_sample_log2 - 2); | |
2497 | for (i = 0; i < 4; i++) { | |
2498 | int sx = mb_x * 16 + 8 * (i & 1); | |
2499 | int sy = mb_y * 16 + 8 * (i >> 1); | |
2500 | int xy = (mb_x * 2 + (i & 1) + | |
2501 | (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); | |
2502 | // FIXME bidir | |
2503 | int32_t *mv = (int32_t *) &motion_val[0][xy]; | |
2504 | if (mv[0] != mv[dm] || | |
2505 | mv[dm * mv_stride] != mv[dm * (mv_stride + 1)]) | |
2506 | for (y = 0; y < 8; y++) | |
2507 | pict->data[0][sx + 4 + (sy + y) * pict->linesize[0]] ^= 0x80; | |
2508 | if (mv[0] != mv[dm * mv_stride] || mv[dm] != mv[dm * (mv_stride + 1)]) | |
2509 | *(uint64_t *)(pict->data[0] + sx + (sy + 4) * | |
2510 | pict->linesize[0]) ^= 0x8080808080808080ULL; | |
2511 | } | |
2512 | } | |
2513 | ||
2514 | if (IS_INTERLACED(mb_type) && | |
2515 | avctx->codec->id == AV_CODEC_ID_H264) { | |
2516 | // hmm | |
2517 | } | |
2518 | } | |
2519 | mbskip_table[mb_index] = 0; | |
2520 | } | |
2521 | } | |
2522 | } | |
2523 | } | |
2524 | ||
2525 | void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict) | |
2526 | { | |
2527 | ff_print_debug_info2(s->avctx, pict, s->mbskip_table, p->mb_type, | |
2528 | p->qscale_table, p->motion_val, &s->low_delay, | |
2529 | s->mb_width, s->mb_height, s->mb_stride, s->quarter_sample); | |
2530 | } | |
2531 | ||
2532 | int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type) | |
2533 | { | |
2534 | AVBufferRef *ref = av_buffer_ref(p->qscale_table_buf); | |
2535 | int offset = 2*s->mb_stride + 1; | |
2536 | if(!ref) | |
2537 | return AVERROR(ENOMEM); | |
2538 | av_assert0(ref->size >= offset + s->mb_stride * ((f->height+15)/16)); | |
2539 | ref->size -= offset; | |
2540 | ref->data += offset; | |
2541 | return av_frame_set_qp_table(f, ref, s->mb_stride, qp_type); | |
2542 | } | |
2543 | ||
2544 | static inline int hpel_motion_lowres(MpegEncContext *s, | |
2545 | uint8_t *dest, uint8_t *src, | |
2546 | int field_based, int field_select, | |
2547 | int src_x, int src_y, | |
2548 | int width, int height, ptrdiff_t stride, | |
2549 | int h_edge_pos, int v_edge_pos, | |
2550 | int w, int h, h264_chroma_mc_func *pix_op, | |
2551 | int motion_x, int motion_y) | |
2552 | { | |
2553 | const int lowres = s->avctx->lowres; | |
2554 | const int op_index = FFMIN(lowres, 3); | |
2555 | const int s_mask = (2 << lowres) - 1; | |
2556 | int emu = 0; | |
2557 | int sx, sy; | |
2558 | ||
2559 | if (s->quarter_sample) { | |
2560 | motion_x /= 2; | |
2561 | motion_y /= 2; | |
2562 | } | |
2563 | ||
2564 | sx = motion_x & s_mask; | |
2565 | sy = motion_y & s_mask; | |
2566 | src_x += motion_x >> lowres + 1; | |
2567 | src_y += motion_y >> lowres + 1; | |
2568 | ||
2569 | src += src_y * stride + src_x; | |
2570 | ||
2571 | if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) || | |
2572 | (unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { | |
2573 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src, | |
2574 | s->linesize, s->linesize, | |
2575 | w + 1, (h + 1) << field_based, | |
2576 | src_x, src_y << field_based, | |
2577 | h_edge_pos, v_edge_pos); | |
2578 | src = s->edge_emu_buffer; | |
2579 | emu = 1; | |
2580 | } | |
2581 | ||
2582 | sx = (sx << 2) >> lowres; | |
2583 | sy = (sy << 2) >> lowres; | |
2584 | if (field_select) | |
2585 | src += s->linesize; | |
2586 | pix_op[op_index](dest, src, stride, h, sx, sy); | |
2587 | return emu; | |
2588 | } | |
2589 | ||
2590 | /* apply one mpeg motion vector to the three components */ | |
2591 | static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, | |
2592 | uint8_t *dest_y, | |
2593 | uint8_t *dest_cb, | |
2594 | uint8_t *dest_cr, | |
2595 | int field_based, | |
2596 | int bottom_field, | |
2597 | int field_select, | |
2598 | uint8_t **ref_picture, | |
2599 | h264_chroma_mc_func *pix_op, | |
2600 | int motion_x, int motion_y, | |
2601 | int h, int mb_y) | |
2602 | { | |
2603 | uint8_t *ptr_y, *ptr_cb, *ptr_cr; | |
2604 | int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, sx, sy, uvsx, uvsy; | |
2605 | ptrdiff_t uvlinesize, linesize; | |
2606 | const int lowres = s->avctx->lowres; | |
2607 | const int op_index = FFMIN(lowres-1+s->chroma_x_shift, 3); | |
2608 | const int block_s = 8>>lowres; | |
2609 | const int s_mask = (2 << lowres) - 1; | |
2610 | const int h_edge_pos = s->h_edge_pos >> lowres; | |
2611 | const int v_edge_pos = s->v_edge_pos >> lowres; | |
2612 | linesize = s->current_picture.f->linesize[0] << field_based; | |
2613 | uvlinesize = s->current_picture.f->linesize[1] << field_based; | |
2614 | ||
2615 | // FIXME obviously not perfect but qpel will not work in lowres anyway | |
2616 | if (s->quarter_sample) { | |
2617 | motion_x /= 2; | |
2618 | motion_y /= 2; | |
2619 | } | |
2620 | ||
2621 | if(field_based){ | |
2622 | motion_y += (bottom_field - field_select)*((1 << lowres)-1); | |
2623 | } | |
2624 | ||
2625 | sx = motion_x & s_mask; | |
2626 | sy = motion_y & s_mask; | |
2627 | src_x = s->mb_x * 2 * block_s + (motion_x >> lowres + 1); | |
2628 | src_y = (mb_y * 2 * block_s >> field_based) + (motion_y >> lowres + 1); | |
2629 | ||
2630 | if (s->out_format == FMT_H263) { | |
2631 | uvsx = ((motion_x >> 1) & s_mask) | (sx & 1); | |
2632 | uvsy = ((motion_y >> 1) & s_mask) | (sy & 1); | |
2633 | uvsrc_x = src_x >> 1; | |
2634 | uvsrc_y = src_y >> 1; | |
2635 | } else if (s->out_format == FMT_H261) { | |
2636 | // even chroma mv's are full pel in H261 | |
2637 | mx = motion_x / 4; | |
2638 | my = motion_y / 4; | |
2639 | uvsx = (2 * mx) & s_mask; | |
2640 | uvsy = (2 * my) & s_mask; | |
2641 | uvsrc_x = s->mb_x * block_s + (mx >> lowres); | |
2642 | uvsrc_y = mb_y * block_s + (my >> lowres); | |
2643 | } else { | |
2644 | if(s->chroma_y_shift){ | |
2645 | mx = motion_x / 2; | |
2646 | my = motion_y / 2; | |
2647 | uvsx = mx & s_mask; | |
2648 | uvsy = my & s_mask; | |
2649 | uvsrc_x = s->mb_x * block_s + (mx >> lowres + 1); | |
2650 | uvsrc_y = (mb_y * block_s >> field_based) + (my >> lowres + 1); | |
2651 | } else { | |
2652 | if(s->chroma_x_shift){ | |
2653 | //Chroma422 | |
2654 | mx = motion_x / 2; | |
2655 | uvsx = mx & s_mask; | |
2656 | uvsy = motion_y & s_mask; | |
2657 | uvsrc_y = src_y; | |
2658 | uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1)); | |
2659 | } else { | |
2660 | //Chroma444 | |
2661 | uvsx = motion_x & s_mask; | |
2662 | uvsy = motion_y & s_mask; | |
2663 | uvsrc_x = src_x; | |
2664 | uvsrc_y = src_y; | |
2665 | } | |
2666 | } | |
2667 | } | |
2668 | ||
2669 | ptr_y = ref_picture[0] + src_y * linesize + src_x; | |
2670 | ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; | |
2671 | ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; | |
2672 | ||
2673 | if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || uvsrc_y<0 || | |
2674 | (unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { | |
2675 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y, | |
2676 | linesize >> field_based, linesize >> field_based, | |
2677 | 17, 17 + field_based, | |
2678 | src_x, src_y << field_based, h_edge_pos, | |
2679 | v_edge_pos); | |
2680 | ptr_y = s->edge_emu_buffer; | |
2681 | if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { | |
2682 | uint8_t *ubuf = s->edge_emu_buffer + 18 * s->linesize; | |
2683 | uint8_t *vbuf =ubuf + 9 * s->uvlinesize; | |
2684 | s->vdsp.emulated_edge_mc(ubuf, ptr_cb, | |
2685 | uvlinesize >> field_based, uvlinesize >> field_based, | |
2686 | 9, 9 + field_based, | |
2687 | uvsrc_x, uvsrc_y << field_based, | |
2688 | h_edge_pos >> 1, v_edge_pos >> 1); | |
2689 | s->vdsp.emulated_edge_mc(vbuf, ptr_cr, | |
2690 | uvlinesize >> field_based,uvlinesize >> field_based, | |
2691 | 9, 9 + field_based, | |
2692 | uvsrc_x, uvsrc_y << field_based, | |
2693 | h_edge_pos >> 1, v_edge_pos >> 1); | |
2694 | ptr_cb = ubuf; | |
2695 | ptr_cr = vbuf; | |
2696 | } | |
2697 | } | |
2698 | ||
2699 | // FIXME use this for field pix too instead of the obnoxious hack which changes picture.f->data | |
2700 | if (bottom_field) { | |
2701 | dest_y += s->linesize; | |
2702 | dest_cb += s->uvlinesize; | |
2703 | dest_cr += s->uvlinesize; | |
2704 | } | |
2705 | ||
2706 | if (field_select) { | |
2707 | ptr_y += s->linesize; | |
2708 | ptr_cb += s->uvlinesize; | |
2709 | ptr_cr += s->uvlinesize; | |
2710 | } | |
2711 | ||
2712 | sx = (sx << 2) >> lowres; | |
2713 | sy = (sy << 2) >> lowres; | |
2714 | pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy); | |
2715 | ||
2716 | if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { | |
2717 | int hc = s->chroma_y_shift ? (h+1-bottom_field)>>1 : h; | |
2718 | uvsx = (uvsx << 2) >> lowres; | |
2719 | uvsy = (uvsy << 2) >> lowres; | |
2720 | if (hc) { | |
2721 | pix_op[op_index](dest_cb, ptr_cb, uvlinesize, hc, uvsx, uvsy); | |
2722 | pix_op[op_index](dest_cr, ptr_cr, uvlinesize, hc, uvsx, uvsy); | |
2723 | } | |
2724 | } | |
2725 | // FIXME h261 lowres loop filter | |
2726 | } | |
2727 | ||
2728 | static inline void chroma_4mv_motion_lowres(MpegEncContext *s, | |
2729 | uint8_t *dest_cb, uint8_t *dest_cr, | |
2730 | uint8_t **ref_picture, | |
2731 | h264_chroma_mc_func * pix_op, | |
2732 | int mx, int my) | |
2733 | { | |
2734 | const int lowres = s->avctx->lowres; | |
2735 | const int op_index = FFMIN(lowres, 3); | |
2736 | const int block_s = 8 >> lowres; | |
2737 | const int s_mask = (2 << lowres) - 1; | |
2738 | const int h_edge_pos = s->h_edge_pos >> lowres + 1; | |
2739 | const int v_edge_pos = s->v_edge_pos >> lowres + 1; | |
2740 | int emu = 0, src_x, src_y, sx, sy; | |
2741 | ptrdiff_t offset; | |
2742 | uint8_t *ptr; | |
2743 | ||
2744 | if (s->quarter_sample) { | |
2745 | mx /= 2; | |
2746 | my /= 2; | |
2747 | } | |
2748 | ||
2749 | /* In case of 8X8, we construct a single chroma motion vector | |
2750 | with a special rounding */ | |
2751 | mx = ff_h263_round_chroma(mx); | |
2752 | my = ff_h263_round_chroma(my); | |
2753 | ||
2754 | sx = mx & s_mask; | |
2755 | sy = my & s_mask; | |
2756 | src_x = s->mb_x * block_s + (mx >> lowres + 1); | |
2757 | src_y = s->mb_y * block_s + (my >> lowres + 1); | |
2758 | ||
2759 | offset = src_y * s->uvlinesize + src_x; | |
2760 | ptr = ref_picture[1] + offset; | |
2761 | if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) || | |
2762 | (unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) { | |
2763 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, | |
2764 | s->uvlinesize, s->uvlinesize, | |
2765 | 9, 9, | |
2766 | src_x, src_y, h_edge_pos, v_edge_pos); | |
2767 | ptr = s->edge_emu_buffer; | |
2768 | emu = 1; | |
2769 | } | |
2770 | sx = (sx << 2) >> lowres; | |
2771 | sy = (sy << 2) >> lowres; | |
2772 | pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy); | |
2773 | ||
2774 | ptr = ref_picture[2] + offset; | |
2775 | if (emu) { | |
2776 | s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, | |
2777 | s->uvlinesize, s->uvlinesize, | |
2778 | 9, 9, | |
2779 | src_x, src_y, h_edge_pos, v_edge_pos); | |
2780 | ptr = s->edge_emu_buffer; | |
2781 | } | |
2782 | pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy); | |
2783 | } | |
2784 | ||
2785 | /** | |
2786 | * motion compensation of a single macroblock | |
2787 | * @param s context | |
2788 | * @param dest_y luma destination pointer | |
2789 | * @param dest_cb chroma cb/u destination pointer | |
2790 | * @param dest_cr chroma cr/v destination pointer | |
2791 | * @param dir direction (0->forward, 1->backward) | |
2792 | * @param ref_picture array[3] of pointers to the 3 planes of the reference picture | |
2793 | * @param pix_op halfpel motion compensation function (average or put normally) | |
2794 | * the motion vectors are taken from s->mv and the MV type from s->mv_type | |
2795 | */ | |
2796 | static inline void MPV_motion_lowres(MpegEncContext *s, | |
2797 | uint8_t *dest_y, uint8_t *dest_cb, | |
2798 | uint8_t *dest_cr, | |
2799 | int dir, uint8_t **ref_picture, | |
2800 | h264_chroma_mc_func *pix_op) | |
2801 | { | |
2802 | int mx, my; | |
2803 | int mb_x, mb_y, i; | |
2804 | const int lowres = s->avctx->lowres; | |
2805 | const int block_s = 8 >>lowres; | |
2806 | ||
2807 | mb_x = s->mb_x; | |
2808 | mb_y = s->mb_y; | |
2809 | ||
2810 | switch (s->mv_type) { | |
2811 | case MV_TYPE_16X16: | |
2812 | mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, | |
2813 | 0, 0, 0, | |
2814 | ref_picture, pix_op, | |
2815 | s->mv[dir][0][0], s->mv[dir][0][1], | |
2816 | 2 * block_s, mb_y); | |
2817 | break; | |
2818 | case MV_TYPE_8X8: | |
2819 | mx = 0; | |
2820 | my = 0; | |
2821 | for (i = 0; i < 4; i++) { | |
2822 | hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) * | |
2823 | s->linesize) * block_s, | |
2824 | ref_picture[0], 0, 0, | |
2825 | (2 * mb_x + (i & 1)) * block_s, | |
2826 | (2 * mb_y + (i >> 1)) * block_s, | |
2827 | s->width, s->height, s->linesize, | |
2828 | s->h_edge_pos >> lowres, s->v_edge_pos >> lowres, | |
2829 | block_s, block_s, pix_op, | |
2830 | s->mv[dir][i][0], s->mv[dir][i][1]); | |
2831 | ||
2832 | mx += s->mv[dir][i][0]; | |
2833 | my += s->mv[dir][i][1]; | |
2834 | } | |
2835 | ||
2836 | if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) | |
2837 | chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, | |
2838 | pix_op, mx, my); | |
2839 | break; | |
2840 | case MV_TYPE_FIELD: | |
2841 | if (s->picture_structure == PICT_FRAME) { | |
2842 | /* top field */ | |
2843 | mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, | |
2844 | 1, 0, s->field_select[dir][0], | |
2845 | ref_picture, pix_op, | |
2846 | s->mv[dir][0][0], s->mv[dir][0][1], | |
2847 | block_s, mb_y); | |
2848 | /* bottom field */ | |
2849 | mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, | |
2850 | 1, 1, s->field_select[dir][1], | |
2851 | ref_picture, pix_op, | |
2852 | s->mv[dir][1][0], s->mv[dir][1][1], | |
2853 | block_s, mb_y); | |
2854 | } else { | |
2855 | if (s->picture_structure != s->field_select[dir][0] + 1 && | |
2856 | s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) { | |
2857 | ref_picture = s->current_picture_ptr->f->data; | |
2858 | ||
2859 | } | |
2860 | mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, | |
2861 | 0, 0, s->field_select[dir][0], | |
2862 | ref_picture, pix_op, | |
2863 | s->mv[dir][0][0], | |
2864 | s->mv[dir][0][1], 2 * block_s, mb_y >> 1); | |
2865 | } | |
2866 | break; | |
2867 | case MV_TYPE_16X8: | |
2868 | for (i = 0; i < 2; i++) { | |
2869 | uint8_t **ref2picture; | |
2870 | ||
2871 | if (s->picture_structure == s->field_select[dir][i] + 1 || | |
2872 | s->pict_type == AV_PICTURE_TYPE_B || s->first_field) { | |
2873 | ref2picture = ref_picture; | |
2874 | } else { | |
2875 | ref2picture = s->current_picture_ptr->f->data; | |
2876 | } | |
2877 | ||
2878 | mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, | |
2879 | 0, 0, s->field_select[dir][i], | |
2880 | ref2picture, pix_op, | |
2881 | s->mv[dir][i][0], s->mv[dir][i][1] + | |
2882 | 2 * block_s * i, block_s, mb_y >> 1); | |
2883 | ||
2884 | dest_y += 2 * block_s * s->linesize; | |
2885 | dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; | |
2886 | dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; | |
2887 | } | |
2888 | break; | |
2889 | case MV_TYPE_DMV: | |
2890 | if (s->picture_structure == PICT_FRAME) { | |
2891 | for (i = 0; i < 2; i++) { | |
2892 | int j; | |
2893 | for (j = 0; j < 2; j++) { | |
2894 | mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, | |
2895 | 1, j, j ^ i, | |
2896 | ref_picture, pix_op, | |
2897 | s->mv[dir][2 * i + j][0], | |
2898 | s->mv[dir][2 * i + j][1], | |
2899 | block_s, mb_y); | |
2900 | } | |
2901 | pix_op = s->h264chroma.avg_h264_chroma_pixels_tab; | |
2902 | } | |
2903 | } else { | |
2904 | for (i = 0; i < 2; i++) { | |
2905 | mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, | |
2906 | 0, 0, s->picture_structure != i + 1, | |
2907 | ref_picture, pix_op, | |
2908 | s->mv[dir][2 * i][0],s->mv[dir][2 * i][1], | |
2909 | 2 * block_s, mb_y >> 1); | |
2910 | ||
2911 | // after put we make avg of the same block | |
2912 | pix_op = s->h264chroma.avg_h264_chroma_pixels_tab; | |
2913 | ||
2914 | // opposite parity is always in the same | |
2915 | // frame if this is second field | |
2916 | if (!s->first_field) { | |
2917 | ref_picture = s->current_picture_ptr->f->data; | |
2918 | } | |
2919 | } | |
2920 | } | |
2921 | break; | |
2922 | default: | |
2923 | av_assert2(0); | |
2924 | } | |
2925 | } | |
2926 | ||
2927 | /** | |
2928 | * find the lowest MB row referenced in the MVs | |
2929 | */ | |
2930 | int ff_mpv_lowest_referenced_row(MpegEncContext *s, int dir) | |
2931 | { | |
2932 | int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample; | |
2933 | int my, off, i, mvs; | |
2934 | ||
2935 | if (s->picture_structure != PICT_FRAME || s->mcsel) | |
2936 | goto unhandled; | |
2937 | ||
2938 | switch (s->mv_type) { | |
2939 | case MV_TYPE_16X16: | |
2940 | mvs = 1; | |
2941 | break; | |
2942 | case MV_TYPE_16X8: | |
2943 | mvs = 2; | |
2944 | break; | |
2945 | case MV_TYPE_8X8: | |
2946 | mvs = 4; | |
2947 | break; | |
2948 | default: | |
2949 | goto unhandled; | |
2950 | } | |
2951 | ||
2952 | for (i = 0; i < mvs; i++) { | |
2953 | my = s->mv[dir][i][1]<<qpel_shift; | |
2954 | my_max = FFMAX(my_max, my); | |
2955 | my_min = FFMIN(my_min, my); | |
2956 | } | |
2957 | ||
2958 | off = (FFMAX(-my_min, my_max) + 63) >> 6; | |
2959 | ||
2960 | return FFMIN(FFMAX(s->mb_y + off, 0), s->mb_height-1); | |
2961 | unhandled: | |
2962 | return s->mb_height-1; | |
2963 | } | |
2964 | ||
2965 | /* put block[] to dest[] */ | |
2966 | static inline void put_dct(MpegEncContext *s, | |
2967 | int16_t *block, int i, uint8_t *dest, int line_size, int qscale) | |
2968 | { | |
2969 | s->dct_unquantize_intra(s, block, i, qscale); | |
2970 | s->idsp.idct_put(dest, line_size, block); | |
2971 | } | |
2972 | ||
2973 | /* add block[] to dest[] */ | |
2974 | static inline void add_dct(MpegEncContext *s, | |
2975 | int16_t *block, int i, uint8_t *dest, int line_size) | |
2976 | { | |
2977 | if (s->block_last_index[i] >= 0) { | |
2978 | s->idsp.idct_add(dest, line_size, block); | |
2979 | } | |
2980 | } | |
2981 | ||
2982 | static inline void add_dequant_dct(MpegEncContext *s, | |
2983 | int16_t *block, int i, uint8_t *dest, int line_size, int qscale) | |
2984 | { | |
2985 | if (s->block_last_index[i] >= 0) { | |
2986 | s->dct_unquantize_inter(s, block, i, qscale); | |
2987 | ||
2988 | s->idsp.idct_add(dest, line_size, block); | |
2989 | } | |
2990 | } | |
2991 | ||
2992 | /** | |
2993 | * Clean dc, ac, coded_block for the current non-intra MB. | |
2994 | */ | |
2995 | void ff_clean_intra_table_entries(MpegEncContext *s) | |
2996 | { | |
2997 | int wrap = s->b8_stride; | |
2998 | int xy = s->block_index[0]; | |
2999 | ||
3000 | s->dc_val[0][xy ] = | |
3001 | s->dc_val[0][xy + 1 ] = | |
3002 | s->dc_val[0][xy + wrap] = | |
3003 | s->dc_val[0][xy + 1 + wrap] = 1024; | |
3004 | /* ac pred */ | |
3005 | memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t)); | |
3006 | memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t)); | |
3007 | if (s->msmpeg4_version>=3) { | |
3008 | s->coded_block[xy ] = | |
3009 | s->coded_block[xy + 1 ] = | |
3010 | s->coded_block[xy + wrap] = | |
3011 | s->coded_block[xy + 1 + wrap] = 0; | |
3012 | } | |
3013 | /* chroma */ | |
3014 | wrap = s->mb_stride; | |
3015 | xy = s->mb_x + s->mb_y * wrap; | |
3016 | s->dc_val[1][xy] = | |
3017 | s->dc_val[2][xy] = 1024; | |
3018 | /* ac pred */ | |
3019 | memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t)); | |
3020 | memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t)); | |
3021 | ||
3022 | s->mbintra_table[xy]= 0; | |
3023 | } | |
3024 | ||
3025 | /* generic function called after a macroblock has been parsed by the | |
3026 | decoder or after it has been encoded by the encoder. | |
3027 | ||
3028 | Important variables used: | |
3029 | s->mb_intra : true if intra macroblock | |
3030 | s->mv_dir : motion vector direction | |
3031 | s->mv_type : motion vector type | |
3032 | s->mv : motion vector | |
3033 | s->interlaced_dct : true if interlaced dct used (mpeg2) | |
3034 | */ | |
3035 | static av_always_inline | |
3036 | void mpv_decode_mb_internal(MpegEncContext *s, int16_t block[12][64], | |
3037 | int lowres_flag, int is_mpeg12) | |
3038 | { | |
3039 | const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; | |
3040 | ||
3041 | if (CONFIG_XVMC && | |
3042 | s->avctx->hwaccel && s->avctx->hwaccel->decode_mb) { | |
3043 | s->avctx->hwaccel->decode_mb(s);//xvmc uses pblocks | |
3044 | return; | |
3045 | } | |
3046 | ||
3047 | if(s->avctx->debug&FF_DEBUG_DCT_COEFF) { | |
3048 | /* print DCT coefficients */ | |
3049 | int i,j; | |
3050 | av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y); | |
3051 | for(i=0; i<6; i++){ | |
3052 | for(j=0; j<64; j++){ | |
3053 | av_log(s->avctx, AV_LOG_DEBUG, "%5d", | |
3054 | block[i][s->idsp.idct_permutation[j]]); | |
3055 | } | |
3056 | av_log(s->avctx, AV_LOG_DEBUG, "\n"); | |
3057 | } | |
3058 | } | |
3059 | ||
3060 | s->current_picture.qscale_table[mb_xy] = s->qscale; | |
3061 | ||
3062 | /* update DC predictors for P macroblocks */ | |
3063 | if (!s->mb_intra) { | |
3064 | if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) { | |
3065 | if(s->mbintra_table[mb_xy]) | |
3066 | ff_clean_intra_table_entries(s); | |
3067 | } else { | |
3068 | s->last_dc[0] = | |
3069 | s->last_dc[1] = | |
3070 | s->last_dc[2] = 128 << s->intra_dc_precision; | |
3071 | } | |
3072 | } | |
3073 | else if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) | |
3074 | s->mbintra_table[mb_xy]=1; | |
3075 | ||
3076 | if ( (s->flags&CODEC_FLAG_PSNR) | |
3077 | || s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor | |
3078 | || !(s->encoding && (s->intra_only || s->pict_type==AV_PICTURE_TYPE_B) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc | |
3079 | uint8_t *dest_y, *dest_cb, *dest_cr; | |
3080 | int dct_linesize, dct_offset; | |
3081 | op_pixels_func (*op_pix)[4]; | |
3082 | qpel_mc_func (*op_qpix)[16]; | |
3083 | const int linesize = s->current_picture.f->linesize[0]; //not s->linesize as this would be wrong for field pics | |
3084 | const int uvlinesize = s->current_picture.f->linesize[1]; | |
3085 | const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band || lowres_flag; | |
3086 | const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8; | |
3087 | ||
3088 | /* avoid copy if macroblock skipped in last frame too */ | |
3089 | /* skip only during decoding as we might trash the buffers during encoding a bit */ | |
3090 | if(!s->encoding){ | |
3091 | uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy]; | |
3092 | ||
3093 | if (s->mb_skipped) { | |
3094 | s->mb_skipped= 0; | |
3095 | av_assert2(s->pict_type!=AV_PICTURE_TYPE_I); | |
3096 | *mbskip_ptr = 1; | |
3097 | } else if(!s->current_picture.reference) { | |
3098 | *mbskip_ptr = 1; | |
3099 | } else{ | |
3100 | *mbskip_ptr = 0; /* not skipped */ | |
3101 | } | |
3102 | } | |
3103 | ||
3104 | dct_linesize = linesize << s->interlaced_dct; | |
3105 | dct_offset = s->interlaced_dct ? linesize : linesize * block_size; | |
3106 | ||
3107 | if(readable){ | |
3108 | dest_y= s->dest[0]; | |
3109 | dest_cb= s->dest[1]; | |
3110 | dest_cr= s->dest[2]; | |
3111 | }else{ | |
3112 | dest_y = s->b_scratchpad; | |
3113 | dest_cb= s->b_scratchpad+16*linesize; | |
3114 | dest_cr= s->b_scratchpad+32*linesize; | |
3115 | } | |
3116 | ||
3117 | if (!s->mb_intra) { | |
3118 | /* motion handling */ | |
3119 | /* decoding or more than one mb_type (MC was already done otherwise) */ | |
3120 | if(!s->encoding){ | |
3121 | ||
3122 | if(HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) { | |
3123 | if (s->mv_dir & MV_DIR_FORWARD) { | |
3124 | ff_thread_await_progress(&s->last_picture_ptr->tf, | |
3125 | ff_mpv_lowest_referenced_row(s, 0), | |
3126 | 0); | |
3127 | } | |
3128 | if (s->mv_dir & MV_DIR_BACKWARD) { | |
3129 | ff_thread_await_progress(&s->next_picture_ptr->tf, | |
3130 | ff_mpv_lowest_referenced_row(s, 1), | |
3131 | 0); | |
3132 | } | |
3133 | } | |
3134 | ||
3135 | if(lowres_flag){ | |
3136 | h264_chroma_mc_func *op_pix = s->h264chroma.put_h264_chroma_pixels_tab; | |
3137 | ||
3138 | if (s->mv_dir & MV_DIR_FORWARD) { | |
3139 | MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f->data, op_pix); | |
3140 | op_pix = s->h264chroma.avg_h264_chroma_pixels_tab; | |
3141 | } | |
3142 | if (s->mv_dir & MV_DIR_BACKWARD) { | |
3143 | MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f->data, op_pix); | |
3144 | } | |
3145 | }else{ | |
3146 | op_qpix = s->me.qpel_put; | |
3147 | if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){ | |
3148 | op_pix = s->hdsp.put_pixels_tab; | |
3149 | }else{ | |
3150 | op_pix = s->hdsp.put_no_rnd_pixels_tab; | |
3151 | } | |
3152 | if (s->mv_dir & MV_DIR_FORWARD) { | |
3153 | ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f->data, op_pix, op_qpix); | |
3154 | op_pix = s->hdsp.avg_pixels_tab; | |
3155 | op_qpix= s->me.qpel_avg; | |
3156 | } | |
3157 | if (s->mv_dir & MV_DIR_BACKWARD) { | |
3158 | ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f->data, op_pix, op_qpix); | |
3159 | } | |
3160 | } | |
3161 | } | |
3162 | ||
3163 | /* skip dequant / idct if we are really late ;) */ | |
3164 | if(s->avctx->skip_idct){ | |
3165 | if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) | |
3166 | ||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) | |
3167 | || s->avctx->skip_idct >= AVDISCARD_ALL) | |
3168 | goto skip_idct; | |
3169 | } | |
3170 | ||
3171 | /* add dct residue */ | |
3172 | if(s->encoding || !( s->msmpeg4_version || s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO | |
3173 | || (s->codec_id==AV_CODEC_ID_MPEG4 && !s->mpeg_quant))){ | |
3174 | add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); | |
3175 | add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); | |
3176 | add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); | |
3177 | add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); | |
3178 | ||
3179 | if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ | |
3180 | if (s->chroma_y_shift){ | |
3181 | add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); | |
3182 | add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); | |
3183 | }else{ | |
3184 | dct_linesize >>= 1; | |
3185 | dct_offset >>=1; | |
3186 | add_dequant_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); | |
3187 | add_dequant_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); | |
3188 | add_dequant_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); | |
3189 | add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); | |
3190 | } | |
3191 | } | |
3192 | } else if(is_mpeg12 || (s->codec_id != AV_CODEC_ID_WMV2)){ | |
3193 | add_dct(s, block[0], 0, dest_y , dct_linesize); | |
3194 | add_dct(s, block[1], 1, dest_y + block_size, dct_linesize); | |
3195 | add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize); | |
3196 | add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize); | |
3197 | ||
3198 | if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ | |
3199 | if(s->chroma_y_shift){//Chroma420 | |
3200 | add_dct(s, block[4], 4, dest_cb, uvlinesize); | |
3201 | add_dct(s, block[5], 5, dest_cr, uvlinesize); | |
3202 | }else{ | |
3203 | //chroma422 | |
3204 | dct_linesize = uvlinesize << s->interlaced_dct; | |
3205 | dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size; | |
3206 | ||
3207 | add_dct(s, block[4], 4, dest_cb, dct_linesize); | |
3208 | add_dct(s, block[5], 5, dest_cr, dct_linesize); | |
3209 | add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize); | |
3210 | add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize); | |
3211 | if(!s->chroma_x_shift){//Chroma444 | |
3212 | add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize); | |
3213 | add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize); | |
3214 | add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize); | |
3215 | add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize); | |
3216 | } | |
3217 | } | |
3218 | }//fi gray | |
3219 | } | |
3220 | else if (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) { | |
3221 | ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr); | |
3222 | } | |
3223 | } else { | |
3224 | /* dct only in intra block */ | |
3225 | if(s->encoding || !(s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO)){ | |
3226 | put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); | |
3227 | put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); | |
3228 | put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); | |
3229 | put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); | |
3230 | ||
3231 | if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ | |
3232 | if(s->chroma_y_shift){ | |
3233 | put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); | |
3234 | put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); | |
3235 | }else{ | |
3236 | dct_offset >>=1; | |
3237 | dct_linesize >>=1; | |
3238 | put_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); | |
3239 | put_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); | |
3240 | put_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); | |
3241 | put_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); | |
3242 | } | |
3243 | } | |
3244 | }else{ | |
3245 | s->idsp.idct_put(dest_y, dct_linesize, block[0]); | |
3246 | s->idsp.idct_put(dest_y + block_size, dct_linesize, block[1]); | |
3247 | s->idsp.idct_put(dest_y + dct_offset, dct_linesize, block[2]); | |
3248 | s->idsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]); | |
3249 | ||
3250 | if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ | |
3251 | if(s->chroma_y_shift){ | |
3252 | s->idsp.idct_put(dest_cb, uvlinesize, block[4]); | |
3253 | s->idsp.idct_put(dest_cr, uvlinesize, block[5]); | |
3254 | }else{ | |
3255 | ||
3256 | dct_linesize = uvlinesize << s->interlaced_dct; | |
3257 | dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size; | |
3258 | ||
3259 | s->idsp.idct_put(dest_cb, dct_linesize, block[4]); | |
3260 | s->idsp.idct_put(dest_cr, dct_linesize, block[5]); | |
3261 | s->idsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]); | |
3262 | s->idsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]); | |
3263 | if(!s->chroma_x_shift){//Chroma444 | |
3264 | s->idsp.idct_put(dest_cb + block_size, dct_linesize, block[8]); | |
3265 | s->idsp.idct_put(dest_cr + block_size, dct_linesize, block[9]); | |
3266 | s->idsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]); | |
3267 | s->idsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]); | |
3268 | } | |
3269 | } | |
3270 | }//gray | |
3271 | } | |
3272 | } | |
3273 | skip_idct: | |
3274 | if(!readable){ | |
3275 | s->hdsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16); | |
3276 | s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift); | |
3277 | s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift); | |
3278 | } | |
3279 | } | |
3280 | } | |
3281 | ||
3282 | void ff_mpv_decode_mb(MpegEncContext *s, int16_t block[12][64]) | |
3283 | { | |
3284 | #if !CONFIG_SMALL | |
3285 | if(s->out_format == FMT_MPEG1) { | |
3286 | if(s->avctx->lowres) mpv_decode_mb_internal(s, block, 1, 1); | |
3287 | else mpv_decode_mb_internal(s, block, 0, 1); | |
3288 | } else | |
3289 | #endif | |
3290 | if(s->avctx->lowres) mpv_decode_mb_internal(s, block, 1, 0); | |
3291 | else mpv_decode_mb_internal(s, block, 0, 0); | |
3292 | } | |
3293 | ||
3294 | void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h) | |
3295 | { | |
3296 | ff_draw_horiz_band(s->avctx, s->current_picture_ptr->f, | |
3297 | s->last_picture_ptr ? s->last_picture_ptr->f : NULL, y, h, s->picture_structure, | |
3298 | s->first_field, s->low_delay); | |
3299 | } | |
3300 | ||
3301 | void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename | |
3302 | const int linesize = s->current_picture.f->linesize[0]; //not s->linesize as this would be wrong for field pics | |
3303 | const int uvlinesize = s->current_picture.f->linesize[1]; | |
3304 | const int mb_size= 4 - s->avctx->lowres; | |
3305 | ||
3306 | s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2; | |
3307 | s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2; | |
3308 | s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2; | |
3309 | s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2; | |
3310 | s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; | |
3311 | s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; | |
3312 | //block_index is not used by mpeg2, so it is not affected by chroma_format | |
3313 | ||
3314 | s->dest[0] = s->current_picture.f->data[0] + ((s->mb_x - 1) << mb_size); | |
3315 | s->dest[1] = s->current_picture.f->data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); | |
3316 | s->dest[2] = s->current_picture.f->data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); | |
3317 | ||
3318 | if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME)) | |
3319 | { | |
3320 | if(s->picture_structure==PICT_FRAME){ | |
3321 | s->dest[0] += s->mb_y * linesize << mb_size; | |
3322 | s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); | |
3323 | s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); | |
3324 | }else{ | |
3325 | s->dest[0] += (s->mb_y>>1) * linesize << mb_size; | |
3326 | s->dest[1] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); | |
3327 | s->dest[2] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); | |
3328 | av_assert1((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD)); | |
3329 | } | |
3330 | } | |
3331 | } | |
3332 | ||
3333 | /** | |
3334 | * Permute an 8x8 block. | |
3335 | * @param block the block which will be permuted according to the given permutation vector | |
3336 | * @param permutation the permutation vector | |
3337 | * @param last the last non zero coefficient in scantable order, used to speed the permutation up | |
3338 | * @param scantable the used scantable, this is only used to speed the permutation up, the block is not | |
3339 | * (inverse) permutated to scantable order! | |
3340 | */ | |
3341 | void ff_block_permute(int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last) | |
3342 | { | |
3343 | int i; | |
3344 | int16_t temp[64]; | |
3345 | ||
3346 | if(last<=0) return; | |
3347 | //if(permutation[1]==1) return; //FIXME it is ok but not clean and might fail for some permutations | |
3348 | ||
3349 | for(i=0; i<=last; i++){ | |
3350 | const int j= scantable[i]; | |
3351 | temp[j]= block[j]; | |
3352 | block[j]=0; | |
3353 | } | |
3354 | ||
3355 | for(i=0; i<=last; i++){ | |
3356 | const int j= scantable[i]; | |
3357 | const int perm_j= permutation[j]; | |
3358 | block[perm_j]= temp[j]; | |
3359 | } | |
3360 | } | |
3361 | ||
3362 | void ff_mpeg_flush(AVCodecContext *avctx){ | |
3363 | int i; | |
3364 | MpegEncContext *s = avctx->priv_data; | |
3365 | ||
3366 | if (!s || !s->picture) | |
3367 | return; | |
3368 | ||
3369 | for (i = 0; i < MAX_PICTURE_COUNT; i++) | |
3370 | ff_mpeg_unref_picture(s, &s->picture[i]); | |
3371 | s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL; | |
3372 | ||
3373 | ff_mpeg_unref_picture(s, &s->current_picture); | |
3374 | ff_mpeg_unref_picture(s, &s->last_picture); | |
3375 | ff_mpeg_unref_picture(s, &s->next_picture); | |
3376 | ||
3377 | s->mb_x= s->mb_y= 0; | |
3378 | s->closed_gop= 0; | |
3379 | ||
3380 | s->parse_context.state= -1; | |
3381 | s->parse_context.frame_start_found= 0; | |
3382 | s->parse_context.overread= 0; | |
3383 | s->parse_context.overread_index= 0; | |
3384 | s->parse_context.index= 0; | |
3385 | s->parse_context.last_index= 0; | |
3386 | s->bitstream_buffer_size=0; | |
3387 | s->pp_time=0; | |
3388 | } | |
3389 | ||
3390 | /** | |
3391 | * set qscale and update qscale dependent variables. | |
3392 | */ | |
3393 | void ff_set_qscale(MpegEncContext * s, int qscale) | |
3394 | { | |
3395 | if (qscale < 1) | |
3396 | qscale = 1; | |
3397 | else if (qscale > 31) | |
3398 | qscale = 31; | |
3399 | ||
3400 | s->qscale = qscale; | |
3401 | s->chroma_qscale= s->chroma_qscale_table[qscale]; | |
3402 | ||
3403 | s->y_dc_scale= s->y_dc_scale_table[ qscale ]; | |
3404 | s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ]; | |
3405 | } | |
3406 | ||
3407 | void ff_mpv_report_decode_progress(MpegEncContext *s) | |
3408 | { | |
3409 | if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->er.error_occurred) | |
3410 | ff_thread_report_progress(&s->current_picture_ptr->tf, s->mb_y, 0); | |
3411 | } |