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Imported Debian version 2.5.0~trusty1.1
[deb_ffmpeg.git] / ffmpeg / libavcodec / libx264.c
CommitLineData
2ba45a60
DM		 1/*
2 * H.264 encoding using the x264 library
3 * Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "libavutil/eval.h"
23#include "libavutil/internal.h"
24#include "libavutil/opt.h"
25#include "libavutil/mem.h"
26#include "libavutil/pixdesc.h"
27#include "libavutil/stereo3d.h"
28#include "avcodec.h"
29#include "internal.h"
30
31#if defined(_MSC_VER)
32#define X264_API_IMPORTS 1
33#endif
34
35#include <x264.h>
36#include <float.h>
37#include <math.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41
42typedef struct X264Context {
43 AVClass *class;
44 x264_param_t params;
45 x264_t *enc;
46 x264_picture_t pic;
47 uint8_t *sei;
48 int sei_size;
49 char *preset;
50 char *tune;
51 char *profile;
52 char *level;
53 int fastfirstpass;
54 char *wpredp;
55 char *x264opts;
56 float crf;
57 float crf_max;
58 int cqp;
59 int aq_mode;
60 float aq_strength;
61 char *psy_rd;
62 int psy;
63 int rc_lookahead;
64 int weightp;
65 int weightb;
66 int ssim;
67 int intra_refresh;
68 int bluray_compat;
69 int b_bias;
70 int b_pyramid;
71 int mixed_refs;
72 int dct8x8;
73 int fast_pskip;
74 int aud;
75 int mbtree;
76 char *deblock;
77 float cplxblur;
78 char *partitions;
79 int direct_pred;
80 int slice_max_size;
81 char *stats;
82 int nal_hrd;
f6fa7814 83 int avcintra_class;
2ba45a60
DM		 84 char *x264_params;
85} X264Context;
86
87static void X264_log(void *p, int level, const char *fmt, va_list args)
88{
89 static const int level_map[] = {
90 [X264_LOG_ERROR] = AV_LOG_ERROR,
91 [X264_LOG_WARNING] = AV_LOG_WARNING,
92 [X264_LOG_INFO] = AV_LOG_INFO,
93 [X264_LOG_DEBUG] = AV_LOG_DEBUG
94 };
95
96 if (level < 0 || level > X264_LOG_DEBUG)
97 return;
98
99 av_vlog(p, level_map[level], fmt, args);
100}
101
102
103static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
f6fa7814 104 const x264_nal_t *nals, int nnal)
2ba45a60
DM		 105{
106 X264Context *x4 = ctx->priv_data;
107 uint8_t *p;
108 int i, size = x4->sei_size, ret;
109
110 if (!nnal)
111 return 0;
112
113 for (i = 0; i < nnal; i++)
114 size += nals[i].i_payload;
115
116 if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0)
117 return ret;
118
119 p = pkt->data;
120
121 /* Write the SEI as part of the first frame. */
122 if (x4->sei_size > 0 && nnal > 0) {
123 if (x4->sei_size > size) {
124 av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
125 return -1;
126 }
127 memcpy(p, x4->sei, x4->sei_size);
128 p += x4->sei_size;
129 x4->sei_size = 0;
130 av_freep(&x4->sei);
131 }
132
133 for (i = 0; i < nnal; i++){
134 memcpy(p, nals[i].p_payload, nals[i].i_payload);
135 p += nals[i].i_payload;
136 }
137
138 return 1;
139}
140
141static int avfmt2_num_planes(int avfmt)
142{
143 switch (avfmt) {
144 case AV_PIX_FMT_YUV420P:
145 case AV_PIX_FMT_YUVJ420P:
146 case AV_PIX_FMT_YUV420P9:
147 case AV_PIX_FMT_YUV420P10:
148 case AV_PIX_FMT_YUV444P:
149 return 3;
150
151 case AV_PIX_FMT_BGR24:
152 case AV_PIX_FMT_RGB24:
153 return 1;
154
155 default:
156 return 3;
157 }
158}
159
160static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
161 int *got_packet)
162{
163 X264Context *x4 = ctx->priv_data;
164 x264_nal_t *nal;
165 int nnal, i, ret;
166 x264_picture_t pic_out = {0};
167 AVFrameSideData *side_data;
168
169 x264_picture_init( &x4->pic );
170 x4->pic.img.i_csp = x4->params.i_csp;
171 if (x264_bit_depth > 8)
172 x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
173 x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
174
175 if (frame) {
176 for (i = 0; i < x4->pic.img.i_plane; i++) {
177 x4->pic.img.plane[i] = frame->data[i];
178 x4->pic.img.i_stride[i] = frame->linesize[i];
179 }
180
181 x4->pic.i_pts = frame->pts;
182 x4->pic.i_type =
183 frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME :
184 frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P :
185 frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B :
186 X264_TYPE_AUTO;
f6fa7814
DM		 187
188 if (x4->avcintra_class < 0) {
2ba45a60
DM		 189 if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
190 x4->params.b_tff = frame->top_field_first;
191 x264_encoder_reconfig(x4->enc, &x4->params);
192 }
193 if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den ||
194 x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) {
195 x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
196 x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
197 x264_encoder_reconfig(x4->enc, &x4->params);
198 }
199
200 if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
201 x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
202 x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
203 x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
204 x264_encoder_reconfig(x4->enc, &x4->params);
205 }
206
207 if (x4->params.rc.i_rc_method == X264_RC_ABR &&
208 x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
209 x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
210 x264_encoder_reconfig(x4->enc, &x4->params);
211 }
212
213 if (x4->crf >= 0 &&
214 x4->params.rc.i_rc_method == X264_RC_CRF &&
215 x4->params.rc.f_rf_constant != x4->crf) {
216 x4->params.rc.f_rf_constant = x4->crf;
217 x264_encoder_reconfig(x4->enc, &x4->params);
218 }
219
220 if (x4->params.rc.i_rc_method == X264_RC_CQP &&
221 x4->cqp >= 0 &&
222 x4->params.rc.i_qp_constant != x4->cqp) {
223 x4->params.rc.i_qp_constant = x4->cqp;
224 x264_encoder_reconfig(x4->enc, &x4->params);
225 }
226
227 if (x4->crf_max >= 0 &&
228 x4->params.rc.f_rf_constant_max != x4->crf_max) {
229 x4->params.rc.f_rf_constant_max = x4->crf_max;
230 x264_encoder_reconfig(x4->enc, &x4->params);
231 }
f6fa7814 232 }
2ba45a60
DM		 233
234 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
235 if (side_data) {
236 AVStereo3D *stereo = (AVStereo3D *)side_data->data;
237 int fpa_type;
238
239 switch (stereo->type) {
240 case AV_STEREO3D_CHECKERBOARD:
241 fpa_type = 0;
242 break;
243 case AV_STEREO3D_COLUMNS:
244 fpa_type = 1;
245 break;
246 case AV_STEREO3D_LINES:
247 fpa_type = 2;
248 break;
249 case AV_STEREO3D_SIDEBYSIDE:
250 fpa_type = 3;
251 break;
252 case AV_STEREO3D_TOPBOTTOM:
253 fpa_type = 4;
254 break;
255 case AV_STEREO3D_FRAMESEQUENCE:
256 fpa_type = 5;
257 break;
258 default:
259 fpa_type = -1;
260 break;
261 }
262
263 if (fpa_type != x4->params.i_frame_packing) {
264 x4->params.i_frame_packing = fpa_type;
265 x264_encoder_reconfig(x4->enc, &x4->params);
266 }
267 }
268 }
269 do {
270 if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
271 return -1;
272
273 ret = encode_nals(ctx, pkt, nal, nnal);
274 if (ret < 0)
275 return -1;
276 } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
277
278 pkt->pts = pic_out.i_pts;
279 pkt->dts = pic_out.i_dts;
280
281 switch (pic_out.i_type) {
282 case X264_TYPE_IDR:
283 case X264_TYPE_I:
284 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
285 break;
286 case X264_TYPE_P:
287 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
288 break;
289 case X264_TYPE_B:
290 case X264_TYPE_BREF:
291 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
292 break;
293 }
294
295 pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
296 if (ret)
297 ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
298
299 *got_packet = ret;
300 return 0;
301}
302
303static av_cold int X264_close(AVCodecContext *avctx)
304{
305 X264Context *x4 = avctx->priv_data;
306
307 av_freep(&avctx->extradata);
f6fa7814 308 av_freep(&x4->sei);
2ba45a60
DM		 309
310 if (x4->enc)
311 x264_encoder_close(x4->enc);
312
313 av_frame_free(&avctx->coded_frame);
314
315 return 0;
316}
317
318#define OPT_STR(opt, param) \
319 do { \
320 int ret; \
321 if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
322 if(ret == X264_PARAM_BAD_NAME) \
323 av_log(avctx, AV_LOG_ERROR, \
324 "bad option '%s': '%s'\n", opt, param); \
325 else \
326 av_log(avctx, AV_LOG_ERROR, \
327 "bad value for '%s': '%s'\n", opt, param); \
328 return -1; \
329 } \
330 } while (0)
331
332static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
333{
334 switch (pix_fmt) {
335 case AV_PIX_FMT_YUV420P:
336 case AV_PIX_FMT_YUVJ420P:
337 case AV_PIX_FMT_YUV420P9:
338 case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
339 case AV_PIX_FMT_YUV422P:
340 case AV_PIX_FMT_YUVJ422P:
341 case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
342 case AV_PIX_FMT_YUV444P:
343 case AV_PIX_FMT_YUVJ444P:
344 case AV_PIX_FMT_YUV444P9:
345 case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
346#ifdef X264_CSP_BGR
347 case AV_PIX_FMT_BGR24:
348 return X264_CSP_BGR;
349
350 case AV_PIX_FMT_RGB24:
351 return X264_CSP_RGB;
352#endif
353 case AV_PIX_FMT_NV12: return X264_CSP_NV12;
354 case AV_PIX_FMT_NV16:
355 case AV_PIX_FMT_NV20: return X264_CSP_NV16;
356 };
357 return 0;
358}
359
360#define PARSE_X264_OPT(name, var)\
361 if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
362 av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
363 return AVERROR(EINVAL);\
364 }
365
366static av_cold int X264_init(AVCodecContext *avctx)
367{
368 X264Context *x4 = avctx->priv_data;
369 int sw,sh;
370
371 if (avctx->global_quality > 0)
372 av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
373
374 x264_param_default(&x4->params);
375
376 x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
377
378 if (x4->preset || x4->tune)
379 if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
380 int i;
381 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
382 av_log(avctx, AV_LOG_INFO, "Possible presets:");
383 for (i = 0; x264_preset_names[i]; i++)
384 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
385 av_log(avctx, AV_LOG_INFO, "\n");
386 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
387 for (i = 0; x264_tune_names[i]; i++)
388 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
389 av_log(avctx, AV_LOG_INFO, "\n");
390 return AVERROR(EINVAL);
391 }
392
393 if (avctx->level > 0)
394 x4->params.i_level_idc = avctx->level;
395
396 x4->params.pf_log = X264_log;
397 x4->params.p_log_private = avctx;
398 x4->params.i_log_level = X264_LOG_DEBUG;
399 x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
400
401 OPT_STR("weightp", x4->wpredp);
402
403 if (avctx->bit_rate) {
404 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
405 x4->params.rc.i_rc_method = X264_RC_ABR;
406 }
407 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
408 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
409 x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1;
410 if (avctx->flags & CODEC_FLAG_PASS2) {
411 x4->params.rc.b_stat_read = 1;
412 } else {
413 if (x4->crf >= 0) {
414 x4->params.rc.i_rc_method = X264_RC_CRF;
415 x4->params.rc.f_rf_constant = x4->crf;
416 } else if (x4->cqp >= 0) {
417 x4->params.rc.i_rc_method = X264_RC_CQP;
418 x4->params.rc.i_qp_constant = x4->cqp;
419 }
420
421 if (x4->crf_max >= 0)
422 x4->params.rc.f_rf_constant_max = x4->crf_max;
423 }
424
425 if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
426 (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
427 x4->params.rc.f_vbv_buffer_init =
428 (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
429 }
430
431 OPT_STR("level", x4->level);
432
433 if (avctx->i_quant_factor > 0)
434 x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
435 if (avctx->b_quant_factor > 0)
436 x4->params.rc.f_pb_factor = avctx->b_quant_factor;
437 if (avctx->chromaoffset)
438 x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
439
440 if (avctx->me_method == ME_EPZS)
441 x4->params.analyse.i_me_method = X264_ME_DIA;
442 else if (avctx->me_method == ME_HEX)
443 x4->params.analyse.i_me_method = X264_ME_HEX;
444 else if (avctx->me_method == ME_UMH)
445 x4->params.analyse.i_me_method = X264_ME_UMH;
446 else if (avctx->me_method == ME_FULL)
447 x4->params.analyse.i_me_method = X264_ME_ESA;
448 else if (avctx->me_method == ME_TESA)
449 x4->params.analyse.i_me_method = X264_ME_TESA;
450
451 if (avctx->gop_size >= 0)
452 x4->params.i_keyint_max = avctx->gop_size;
453 if (avctx->max_b_frames >= 0)
454 x4->params.i_bframe = avctx->max_b_frames;
455 if (avctx->scenechange_threshold >= 0)
456 x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
457 if (avctx->qmin >= 0)
458 x4->params.rc.i_qp_min = avctx->qmin;
459 if (avctx->qmax >= 0)
460 x4->params.rc.i_qp_max = avctx->qmax;
461 if (avctx->max_qdiff >= 0)
462 x4->params.rc.i_qp_step = avctx->max_qdiff;
463 if (avctx->qblur >= 0)
464 x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
465 if (avctx->qcompress >= 0)
466 x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
467 if (avctx->refs >= 0)
468 x4->params.i_frame_reference = avctx->refs;
469 else if (x4->level) {
470 int i;
471 int mbn = FF_CEIL_RSHIFT(avctx->width, 4) * FF_CEIL_RSHIFT(avctx->height, 4);
472 int level_id = -1;
473 char *tail;
474 int scale = X264_BUILD < 129 ? 384 : 1;
475
476 if (!strcmp(x4->level, "1b")) {
477 level_id = 9;
478 } else if (strlen(x4->level) <= 3){
479 level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
480 if (*tail)
481 level_id = -1;
482 }
483 if (level_id <= 0)
484 av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
485
486 for (i = 0; i<x264_levels[i].level_idc; i++)
487 if (x264_levels[i].level_idc == level_id)
488 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
489 }
490
491 if (avctx->trellis >= 0)
492 x4->params.analyse.i_trellis = avctx->trellis;
493 if (avctx->me_range >= 0)
494 x4->params.analyse.i_me_range = avctx->me_range;
495 if (avctx->noise_reduction >= 0)
496 x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
497 if (avctx->me_subpel_quality >= 0)
498 x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
499 if (avctx->b_frame_strategy >= 0)
500 x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
501 if (avctx->keyint_min >= 0)
502 x4->params.i_keyint_min = avctx->keyint_min;
503 if (avctx->coder_type >= 0)
504 x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
505 if (avctx->me_cmp >= 0)
506 x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
507
508 if (x4->aq_mode >= 0)
509 x4->params.rc.i_aq_mode = x4->aq_mode;
510 if (x4->aq_strength >= 0)
511 x4->params.rc.f_aq_strength = x4->aq_strength;
512 PARSE_X264_OPT("psy-rd", psy_rd);
513 PARSE_X264_OPT("deblock", deblock);
514 PARSE_X264_OPT("partitions", partitions);
515 PARSE_X264_OPT("stats", stats);
516 if (x4->psy >= 0)
517 x4->params.analyse.b_psy = x4->psy;
518 if (x4->rc_lookahead >= 0)
519 x4->params.rc.i_lookahead = x4->rc_lookahead;
520 if (x4->weightp >= 0)
521 x4->params.analyse.i_weighted_pred = x4->weightp;
522 if (x4->weightb >= 0)
523 x4->params.analyse.b_weighted_bipred = x4->weightb;
524 if (x4->cplxblur >= 0)
525 x4->params.rc.f_complexity_blur = x4->cplxblur;
526
527 if (x4->ssim >= 0)
528 x4->params.analyse.b_ssim = x4->ssim;
529 if (x4->intra_refresh >= 0)
530 x4->params.b_intra_refresh = x4->intra_refresh;
531 if (x4->bluray_compat >= 0) {
532 x4->params.b_bluray_compat = x4->bluray_compat;
533 x4->params.b_vfr_input = 0;
534 }
f6fa7814
DM		 535 if (x4->avcintra_class >= 0)
536#if X264_BUILD >= 142
537 x4->params.i_avcintra_class = x4->avcintra_class;
538#else
539 av_log(avctx, AV_LOG_ERROR,
540 "x264 too old for AVC Intra, at least version 142 needed\n");
541#endif
2ba45a60
DM		 542 if (x4->b_bias != INT_MIN)
543 x4->params.i_bframe_bias = x4->b_bias;
544 if (x4->b_pyramid >= 0)
545 x4->params.i_bframe_pyramid = x4->b_pyramid;
546 if (x4->mixed_refs >= 0)
547 x4->params.analyse.b_mixed_references = x4->mixed_refs;
548 if (x4->dct8x8 >= 0)
549 x4->params.analyse.b_transform_8x8 = x4->dct8x8;
550 if (x4->fast_pskip >= 0)
551 x4->params.analyse.b_fast_pskip = x4->fast_pskip;
552 if (x4->aud >= 0)
553 x4->params.b_aud = x4->aud;
554 if (x4->mbtree >= 0)
555 x4->params.rc.b_mb_tree = x4->mbtree;
556 if (x4->direct_pred >= 0)
557 x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
558
559 if (x4->slice_max_size >= 0)
560 x4->params.i_slice_max_size = x4->slice_max_size;
561 else {
562 /*
563 * Allow x264 to be instructed through AVCodecContext about the maximum
564 * size of the RTP payload. For example, this enables the production of
565 * payload suitable for the H.264 RTP packetization-mode 0 i.e. single
566 * NAL unit per RTP packet.
567 */
568 if (avctx->rtp_payload_size)
569 x4->params.i_slice_max_size = avctx->rtp_payload_size;
570 }
571
572 if (x4->fastfirstpass)
573 x264_param_apply_fastfirstpass(&x4->params);
574
575 /* Allow specifying the x264 profile through AVCodecContext. */
576 if (!x4->profile)
577 switch (avctx->profile) {
578 case FF_PROFILE_H264_BASELINE:
579 x4->profile = av_strdup("baseline");
580 break;
581 case FF_PROFILE_H264_HIGH:
582 x4->profile = av_strdup("high");
583 break;
584 case FF_PROFILE_H264_HIGH_10:
585 x4->profile = av_strdup("high10");
586 break;
587 case FF_PROFILE_H264_HIGH_422:
588 x4->profile = av_strdup("high422");
589 break;
590 case FF_PROFILE_H264_HIGH_444:
591 x4->profile = av_strdup("high444");
592 break;
593 case FF_PROFILE_H264_MAIN:
594 x4->profile = av_strdup("main");
595 break;
596 default:
597 break;
598 }
599
600 if (x4->nal_hrd >= 0)
601 x4->params.i_nal_hrd = x4->nal_hrd;
602
603 if (x4->profile)
604 if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
605 int i;
606 av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
607 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
608 for (i = 0; x264_profile_names[i]; i++)
609 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
610 av_log(avctx, AV_LOG_INFO, "\n");
611 return AVERROR(EINVAL);
612 }
613
614 x4->params.i_width = avctx->width;
615 x4->params.i_height = avctx->height;
616 av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
617 x4->params.vui.i_sar_width = sw;
618 x4->params.vui.i_sar_height = sh;
619 x4->params.i_timebase_den = avctx->time_base.den;
620 x4->params.i_timebase_num = avctx->time_base.num;
621 x4->params.i_fps_num = avctx->time_base.den;
622 x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
623
624 x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
625
626 x4->params.i_threads = avctx->thread_count;
627 if (avctx->thread_type)
628 x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
629
630 x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
631
632 x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
633
634 x4->params.i_slice_count = avctx->slices;
635
636 x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
637 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
638 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
639 avctx->color_range == AVCOL_RANGE_JPEG;
640
641 if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
642 x4->params.vui.i_colmatrix = avctx->colorspace;
643 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
644 x4->params.vui.i_colorprim = avctx->color_primaries;
645 if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
646 x4->params.vui.i_transfer = avctx->color_trc;
647
648 if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
649 x4->params.b_repeat_headers = 0;
650
651 if(x4->x264opts){
652 const char *p= x4->x264opts;
653 while(p){
654 char param[256]={0}, val[256]={0};
655 if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){
656 OPT_STR(param, "1");
657 }else
658 OPT_STR(param, val);
659 p= strchr(p, ':');
660 p+=!!p;
661 }
662 }
663
664 if (x4->x264_params) {
665 AVDictionary *dict = NULL;
666 AVDictionaryEntry *en = NULL;
667
668 if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
669 while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
670 if (x264_param_parse(&x4->params, en->key, en->value) < 0)
671 av_log(avctx, AV_LOG_WARNING,
672 "Error parsing option '%s = %s'.\n",
673 en->key, en->value);
674 }
675
676 av_dict_free(&dict);
677 }
678 }
679
680 // update AVCodecContext with x264 parameters
681 avctx->has_b_frames = x4->params.i_bframe ?
682 x4->params.i_bframe_pyramid ? 2 : 1 : 0;
683 if (avctx->max_b_frames < 0)
684 avctx->max_b_frames = 0;
685
686 avctx->bit_rate = x4->params.rc.i_bitrate*1000;
687
688 x4->enc = x264_encoder_open(&x4->params);
689 if (!x4->enc)
690 return -1;
691
692 avctx->coded_frame = av_frame_alloc();
693 if (!avctx->coded_frame)
694 return AVERROR(ENOMEM);
695
696 if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
697 x264_nal_t *nal;
698 uint8_t *p;
699 int nnal, s, i;
700
701 s = x264_encoder_headers(x4->enc, &nal, &nnal);
702 avctx->extradata = p = av_malloc(s);
703
704 for (i = 0; i < nnal; i++) {
705 /* Don't put the SEI in extradata. */
706 if (nal[i].i_type == NAL_SEI) {
707 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
708 x4->sei_size = nal[i].i_payload;
709 x4->sei = av_malloc(x4->sei_size);
710 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
711 continue;
712 }
713 memcpy(p, nal[i].p_payload, nal[i].i_payload);
714 p += nal[i].i_payload;
715 }
716 avctx->extradata_size = p - avctx->extradata;
717 }
718
719 return 0;
720}
721
722static const enum AVPixelFormat pix_fmts_8bit[] = {
723 AV_PIX_FMT_YUV420P,
724 AV_PIX_FMT_YUVJ420P,
725 AV_PIX_FMT_YUV422P,
726 AV_PIX_FMT_YUVJ422P,
727 AV_PIX_FMT_YUV444P,
728 AV_PIX_FMT_YUVJ444P,
729 AV_PIX_FMT_NV12,
730 AV_PIX_FMT_NV16,
731 AV_PIX_FMT_NONE
732};
733static const enum AVPixelFormat pix_fmts_9bit[] = {
734 AV_PIX_FMT_YUV420P9,
735 AV_PIX_FMT_YUV444P9,
736 AV_PIX_FMT_NONE
737};
738static const enum AVPixelFormat pix_fmts_10bit[] = {
739 AV_PIX_FMT_YUV420P10,
740 AV_PIX_FMT_YUV422P10,
741 AV_PIX_FMT_YUV444P10,
742 AV_PIX_FMT_NV20,
743 AV_PIX_FMT_NONE
744};
745static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
746#ifdef X264_CSP_BGR
747 AV_PIX_FMT_BGR24,
748 AV_PIX_FMT_RGB24,
749#endif
750 AV_PIX_FMT_NONE
751};
752
753static av_cold void X264_init_static(AVCodec *codec)
754{
755 if (x264_bit_depth == 8)
756 codec->pix_fmts = pix_fmts_8bit;
757 else if (x264_bit_depth == 9)
758 codec->pix_fmts = pix_fmts_9bit;
759 else if (x264_bit_depth == 10)
760 codec->pix_fmts = pix_fmts_10bit;
761}
762
763#define OFFSET(x) offsetof(X264Context, x)
764#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
765static const AVOption options[] = {
766 { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
767 { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
768 { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
769 { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE},
770 {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
771 {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
772 {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
773 {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
774 { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
775 { "crf_max", "In CRF mode, prevents VBV from lowering quality beyond this point.",OFFSET(crf_max), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
776 { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
777 { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
778 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
779 { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
780 { "autovariance", "Auto-variance AQ (experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
781 { "aq-strength", "AQ strength. Reduces blocking and blurring in flat and textured areas.", OFFSET(aq_strength), AV_OPT_TYPE_FLOAT, {.dbl = -1}, -1, FLT_MAX, VE},
782 { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
783 { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
784 { "rc-lookahead", "Number of frames to look ahead for frametype and ratecontrol", OFFSET(rc_lookahead), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
785 { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
786 { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
787 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
788 { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
789 { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
790 { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
791 { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
792 { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
793 { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
794 { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
795 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
796 { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
797 { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
798 { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 1, VE },
799 { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
800 { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
801 { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
802 { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
803 { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
804 { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
805 { "partitions", "A comma-separated list of partitions to consider. "
806 "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
807 { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
808 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
809 { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
810 { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
811 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
812 { "slice-max-size","Limit the size of each slice in bytes", OFFSET(slice_max_size),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
813 { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
814 { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
815 "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
816 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
817 { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
818 { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
f6fa7814 819 { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
2ba45a60
DM		 820 { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
821 { NULL },
822};
823
824static const AVClass x264_class = {
825 .class_name = "libx264",
826 .item_name = av_default_item_name,
827 .option = options,
828 .version = LIBAVUTIL_VERSION_INT,
829};
830
831static const AVClass rgbclass = {
832 .class_name = "libx264rgb",
833 .item_name = av_default_item_name,
834 .option = options,
835 .version = LIBAVUTIL_VERSION_INT,
836};
837
838static const AVCodecDefault x264_defaults[] = {
839 { "b", "0" },
840 { "bf", "-1" },
841 { "flags2", "0" },
842 { "g", "-1" },
843 { "i_qfactor", "-1" },
844 { "b_qfactor", "-1" },
845 { "qmin", "-1" },
846 { "qmax", "-1" },
847 { "qdiff", "-1" },
848 { "qblur", "-1" },
849 { "qcomp", "-1" },
850// { "rc_lookahead", "-1" },
851 { "refs", "-1" },
852 { "sc_threshold", "-1" },
853 { "trellis", "-1" },
854 { "nr", "-1" },
855 { "me_range", "-1" },
856 { "me_method", "-1" },
857 { "subq", "-1" },
858 { "b_strategy", "-1" },
859 { "keyint_min", "-1" },
860 { "coder", "-1" },
861 { "cmp", "-1" },
862 { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
863 { "thread_type", "0" },
864 { "flags", "+cgop" },
865 { "rc_init_occupancy","-1" },
866 { NULL },
867};
868
869AVCodec ff_libx264_encoder = {
870 .name = "libx264",
871 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
872 .type = AVMEDIA_TYPE_VIDEO,
873 .id = AV_CODEC_ID_H264,
874 .priv_data_size = sizeof(X264Context),
875 .init = X264_init,
876 .encode2 = X264_frame,
877 .close = X264_close,
878 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
879 .priv_class = &x264_class,
880 .defaults = x264_defaults,
881 .init_static_data = X264_init_static,
882};
883
884AVCodec ff_libx264rgb_encoder = {
885 .name = "libx264rgb",
886 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
887 .type = AVMEDIA_TYPE_VIDEO,
888 .id = AV_CODEC_ID_H264,
889 .priv_data_size = sizeof(X264Context),
890 .init = X264_init,
891 .encode2 = X264_frame,
892 .close = X264_close,
893 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
894 .priv_class = &rgbclass,
895 .defaults = x264_defaults,
896 .pix_fmts = pix_fmts_8bit_rgb,
897};
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