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Imported Debian version 2.4.3~trusty1
[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;
83 char *x264_params;
84} X264Context;
85
86static void X264_log(void *p, int level, const char *fmt, va_list args)
87{
88 static const int level_map[] = {
89 [X264_LOG_ERROR] = AV_LOG_ERROR,
90 [X264_LOG_WARNING] = AV_LOG_WARNING,
91 [X264_LOG_INFO] = AV_LOG_INFO,
92 [X264_LOG_DEBUG] = AV_LOG_DEBUG
93 };
94
95 if (level < 0 || level > X264_LOG_DEBUG)
96 return;
97
98 av_vlog(p, level_map[level], fmt, args);
99}
100
101
102static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
103 x264_nal_t *nals, int nnal)
104{
105 X264Context *x4 = ctx->priv_data;
106 uint8_t *p;
107 int i, size = x4->sei_size, ret;
108
109 if (!nnal)
110 return 0;
111
112 for (i = 0; i < nnal; i++)
113 size += nals[i].i_payload;
114
115 if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0)
116 return ret;
117
118 p = pkt->data;
119
120 /* Write the SEI as part of the first frame. */
121 if (x4->sei_size > 0 && nnal > 0) {
122 if (x4->sei_size > size) {
123 av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
124 return -1;
125 }
126 memcpy(p, x4->sei, x4->sei_size);
127 p += x4->sei_size;
128 x4->sei_size = 0;
129 av_freep(&x4->sei);
130 }
131
132 for (i = 0; i < nnal; i++){
133 memcpy(p, nals[i].p_payload, nals[i].i_payload);
134 p += nals[i].i_payload;
135 }
136
137 return 1;
138}
139
140static int avfmt2_num_planes(int avfmt)
141{
142 switch (avfmt) {
143 case AV_PIX_FMT_YUV420P:
144 case AV_PIX_FMT_YUVJ420P:
145 case AV_PIX_FMT_YUV420P9:
146 case AV_PIX_FMT_YUV420P10:
147 case AV_PIX_FMT_YUV444P:
148 return 3;
149
150 case AV_PIX_FMT_BGR24:
151 case AV_PIX_FMT_RGB24:
152 return 1;
153
154 default:
155 return 3;
156 }
157}
158
159static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
160 int *got_packet)
161{
162 X264Context *x4 = ctx->priv_data;
163 x264_nal_t *nal;
164 int nnal, i, ret;
165 x264_picture_t pic_out = {0};
166 AVFrameSideData *side_data;
167
168 x264_picture_init( &x4->pic );
169 x4->pic.img.i_csp = x4->params.i_csp;
170 if (x264_bit_depth > 8)
171 x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
172 x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
173
174 if (frame) {
175 for (i = 0; i < x4->pic.img.i_plane; i++) {
176 x4->pic.img.plane[i] = frame->data[i];
177 x4->pic.img.i_stride[i] = frame->linesize[i];
178 }
179
180 x4->pic.i_pts = frame->pts;
181 x4->pic.i_type =
182 frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME :
183 frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P :
184 frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B :
185 X264_TYPE_AUTO;
186 if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
187 x4->params.b_tff = frame->top_field_first;
188 x264_encoder_reconfig(x4->enc, &x4->params);
189 }
190 if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den ||
191 x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) {
192 x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
193 x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
194 x264_encoder_reconfig(x4->enc, &x4->params);
195 }
196
197 if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
198 x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
199 x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
200 x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
201 x264_encoder_reconfig(x4->enc, &x4->params);
202 }
203
204 if (x4->params.rc.i_rc_method == X264_RC_ABR &&
205 x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
206 x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
207 x264_encoder_reconfig(x4->enc, &x4->params);
208 }
209
210 if (x4->crf >= 0 &&
211 x4->params.rc.i_rc_method == X264_RC_CRF &&
212 x4->params.rc.f_rf_constant != x4->crf) {
213 x4->params.rc.f_rf_constant = x4->crf;
214 x264_encoder_reconfig(x4->enc, &x4->params);
215 }
216
217 if (x4->params.rc.i_rc_method == X264_RC_CQP &&
218 x4->cqp >= 0 &&
219 x4->params.rc.i_qp_constant != x4->cqp) {
220 x4->params.rc.i_qp_constant = x4->cqp;
221 x264_encoder_reconfig(x4->enc, &x4->params);
222 }
223
224 if (x4->crf_max >= 0 &&
225 x4->params.rc.f_rf_constant_max != x4->crf_max) {
226 x4->params.rc.f_rf_constant_max = x4->crf_max;
227 x264_encoder_reconfig(x4->enc, &x4->params);
228 }
229
230 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
231 if (side_data) {
232 AVStereo3D *stereo = (AVStereo3D *)side_data->data;
233 int fpa_type;
234
235 switch (stereo->type) {
236 case AV_STEREO3D_CHECKERBOARD:
237 fpa_type = 0;
238 break;
239 case AV_STEREO3D_COLUMNS:
240 fpa_type = 1;
241 break;
242 case AV_STEREO3D_LINES:
243 fpa_type = 2;
244 break;
245 case AV_STEREO3D_SIDEBYSIDE:
246 fpa_type = 3;
247 break;
248 case AV_STEREO3D_TOPBOTTOM:
249 fpa_type = 4;
250 break;
251 case AV_STEREO3D_FRAMESEQUENCE:
252 fpa_type = 5;
253 break;
254 default:
255 fpa_type = -1;
256 break;
257 }
258
259 if (fpa_type != x4->params.i_frame_packing) {
260 x4->params.i_frame_packing = fpa_type;
261 x264_encoder_reconfig(x4->enc, &x4->params);
262 }
263 }
264 }
265 do {
266 if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
267 return -1;
268
269 ret = encode_nals(ctx, pkt, nal, nnal);
270 if (ret < 0)
271 return -1;
272 } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
273
274 pkt->pts = pic_out.i_pts;
275 pkt->dts = pic_out.i_dts;
276
277 switch (pic_out.i_type) {
278 case X264_TYPE_IDR:
279 case X264_TYPE_I:
280 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
281 break;
282 case X264_TYPE_P:
283 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
284 break;
285 case X264_TYPE_B:
286 case X264_TYPE_BREF:
287 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
288 break;
289 }
290
291 pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
292 if (ret)
293 ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
294
295 *got_packet = ret;
296 return 0;
297}
298
299static av_cold int X264_close(AVCodecContext *avctx)
300{
301 X264Context *x4 = avctx->priv_data;
302
303 av_freep(&avctx->extradata);
304 av_free(x4->sei);
305
306 if (x4->enc)
307 x264_encoder_close(x4->enc);
308
309 av_frame_free(&avctx->coded_frame);
310
311 return 0;
312}
313
314#define OPT_STR(opt, param) \
315 do { \
316 int ret; \
317 if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
318 if(ret == X264_PARAM_BAD_NAME) \
319 av_log(avctx, AV_LOG_ERROR, \
320 "bad option '%s': '%s'\n", opt, param); \
321 else \
322 av_log(avctx, AV_LOG_ERROR, \
323 "bad value for '%s': '%s'\n", opt, param); \
324 return -1; \
325 } \
326 } while (0)
327
328static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
329{
330 switch (pix_fmt) {
331 case AV_PIX_FMT_YUV420P:
332 case AV_PIX_FMT_YUVJ420P:
333 case AV_PIX_FMT_YUV420P9:
334 case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
335 case AV_PIX_FMT_YUV422P:
336 case AV_PIX_FMT_YUVJ422P:
337 case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
338 case AV_PIX_FMT_YUV444P:
339 case AV_PIX_FMT_YUVJ444P:
340 case AV_PIX_FMT_YUV444P9:
341 case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
342#ifdef X264_CSP_BGR
343 case AV_PIX_FMT_BGR24:
344 return X264_CSP_BGR;
345
346 case AV_PIX_FMT_RGB24:
347 return X264_CSP_RGB;
348#endif
349 case AV_PIX_FMT_NV12: return X264_CSP_NV12;
350 case AV_PIX_FMT_NV16:
351 case AV_PIX_FMT_NV20: return X264_CSP_NV16;
352 };
353 return 0;
354}
355
356#define PARSE_X264_OPT(name, var)\
357 if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
358 av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
359 return AVERROR(EINVAL);\
360 }
361
362static av_cold int X264_init(AVCodecContext *avctx)
363{
364 X264Context *x4 = avctx->priv_data;
365 int sw,sh;
366
367 if (avctx->global_quality > 0)
368 av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
369
370 x264_param_default(&x4->params);
371
372 x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
373
374 if (x4->preset || x4->tune)
375 if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
376 int i;
377 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
378 av_log(avctx, AV_LOG_INFO, "Possible presets:");
379 for (i = 0; x264_preset_names[i]; i++)
380 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
381 av_log(avctx, AV_LOG_INFO, "\n");
382 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
383 for (i = 0; x264_tune_names[i]; i++)
384 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
385 av_log(avctx, AV_LOG_INFO, "\n");
386 return AVERROR(EINVAL);
387 }
388
389 if (avctx->level > 0)
390 x4->params.i_level_idc = avctx->level;
391
392 x4->params.pf_log = X264_log;
393 x4->params.p_log_private = avctx;
394 x4->params.i_log_level = X264_LOG_DEBUG;
395 x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
396
397 OPT_STR("weightp", x4->wpredp);
398
399 if (avctx->bit_rate) {
400 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
401 x4->params.rc.i_rc_method = X264_RC_ABR;
402 }
403 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
404 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
405 x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1;
406 if (avctx->flags & CODEC_FLAG_PASS2) {
407 x4->params.rc.b_stat_read = 1;
408 } else {
409 if (x4->crf >= 0) {
410 x4->params.rc.i_rc_method = X264_RC_CRF;
411 x4->params.rc.f_rf_constant = x4->crf;
412 } else if (x4->cqp >= 0) {
413 x4->params.rc.i_rc_method = X264_RC_CQP;
414 x4->params.rc.i_qp_constant = x4->cqp;
415 }
416
417 if (x4->crf_max >= 0)
418 x4->params.rc.f_rf_constant_max = x4->crf_max;
419 }
420
421 if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
422 (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
423 x4->params.rc.f_vbv_buffer_init =
424 (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
425 }
426
427 OPT_STR("level", x4->level);
428
429 if (avctx->i_quant_factor > 0)
430 x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
431 if (avctx->b_quant_factor > 0)
432 x4->params.rc.f_pb_factor = avctx->b_quant_factor;
433 if (avctx->chromaoffset)
434 x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
435
436 if (avctx->me_method == ME_EPZS)
437 x4->params.analyse.i_me_method = X264_ME_DIA;
438 else if (avctx->me_method == ME_HEX)
439 x4->params.analyse.i_me_method = X264_ME_HEX;
440 else if (avctx->me_method == ME_UMH)
441 x4->params.analyse.i_me_method = X264_ME_UMH;
442 else if (avctx->me_method == ME_FULL)
443 x4->params.analyse.i_me_method = X264_ME_ESA;
444 else if (avctx->me_method == ME_TESA)
445 x4->params.analyse.i_me_method = X264_ME_TESA;
446
447 if (avctx->gop_size >= 0)
448 x4->params.i_keyint_max = avctx->gop_size;
449 if (avctx->max_b_frames >= 0)
450 x4->params.i_bframe = avctx->max_b_frames;
451 if (avctx->scenechange_threshold >= 0)
452 x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
453 if (avctx->qmin >= 0)
454 x4->params.rc.i_qp_min = avctx->qmin;
455 if (avctx->qmax >= 0)
456 x4->params.rc.i_qp_max = avctx->qmax;
457 if (avctx->max_qdiff >= 0)
458 x4->params.rc.i_qp_step = avctx->max_qdiff;
459 if (avctx->qblur >= 0)
460 x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
461 if (avctx->qcompress >= 0)
462 x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
463 if (avctx->refs >= 0)
464 x4->params.i_frame_reference = avctx->refs;
465 else if (x4->level) {
466 int i;
467 int mbn = FF_CEIL_RSHIFT(avctx->width, 4) * FF_CEIL_RSHIFT(avctx->height, 4);
468 int level_id = -1;
469 char *tail;
470 int scale = X264_BUILD < 129 ? 384 : 1;
471
472 if (!strcmp(x4->level, "1b")) {
473 level_id = 9;
474 } else if (strlen(x4->level) <= 3){
475 level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
476 if (*tail)
477 level_id = -1;
478 }
479 if (level_id <= 0)
480 av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
481
482 for (i = 0; i<x264_levels[i].level_idc; i++)
483 if (x264_levels[i].level_idc == level_id)
484 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
485 }
486
487 if (avctx->trellis >= 0)
488 x4->params.analyse.i_trellis = avctx->trellis;
489 if (avctx->me_range >= 0)
490 x4->params.analyse.i_me_range = avctx->me_range;
491 if (avctx->noise_reduction >= 0)
492 x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
493 if (avctx->me_subpel_quality >= 0)
494 x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
495 if (avctx->b_frame_strategy >= 0)
496 x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
497 if (avctx->keyint_min >= 0)
498 x4->params.i_keyint_min = avctx->keyint_min;
499 if (avctx->coder_type >= 0)
500 x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
501 if (avctx->me_cmp >= 0)
502 x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
503
504 if (x4->aq_mode >= 0)
505 x4->params.rc.i_aq_mode = x4->aq_mode;
506 if (x4->aq_strength >= 0)
507 x4->params.rc.f_aq_strength = x4->aq_strength;
508 PARSE_X264_OPT("psy-rd", psy_rd);
509 PARSE_X264_OPT("deblock", deblock);
510 PARSE_X264_OPT("partitions", partitions);
511 PARSE_X264_OPT("stats", stats);
512 if (x4->psy >= 0)
513 x4->params.analyse.b_psy = x4->psy;
514 if (x4->rc_lookahead >= 0)
515 x4->params.rc.i_lookahead = x4->rc_lookahead;
516 if (x4->weightp >= 0)
517 x4->params.analyse.i_weighted_pred = x4->weightp;
518 if (x4->weightb >= 0)
519 x4->params.analyse.b_weighted_bipred = x4->weightb;
520 if (x4->cplxblur >= 0)
521 x4->params.rc.f_complexity_blur = x4->cplxblur;
522
523 if (x4->ssim >= 0)
524 x4->params.analyse.b_ssim = x4->ssim;
525 if (x4->intra_refresh >= 0)
526 x4->params.b_intra_refresh = x4->intra_refresh;
527 if (x4->bluray_compat >= 0) {
528 x4->params.b_bluray_compat = x4->bluray_compat;
529 x4->params.b_vfr_input = 0;
530 }
531 if (x4->b_bias != INT_MIN)
532 x4->params.i_bframe_bias = x4->b_bias;
533 if (x4->b_pyramid >= 0)
534 x4->params.i_bframe_pyramid = x4->b_pyramid;
535 if (x4->mixed_refs >= 0)
536 x4->params.analyse.b_mixed_references = x4->mixed_refs;
537 if (x4->dct8x8 >= 0)
538 x4->params.analyse.b_transform_8x8 = x4->dct8x8;
539 if (x4->fast_pskip >= 0)
540 x4->params.analyse.b_fast_pskip = x4->fast_pskip;
541 if (x4->aud >= 0)
542 x4->params.b_aud = x4->aud;
543 if (x4->mbtree >= 0)
544 x4->params.rc.b_mb_tree = x4->mbtree;
545 if (x4->direct_pred >= 0)
546 x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
547
548 if (x4->slice_max_size >= 0)
549 x4->params.i_slice_max_size = x4->slice_max_size;
550 else {
551 /*
552 * Allow x264 to be instructed through AVCodecContext about the maximum
553 * size of the RTP payload. For example, this enables the production of
554 * payload suitable for the H.264 RTP packetization-mode 0 i.e. single
555 * NAL unit per RTP packet.
556 */
557 if (avctx->rtp_payload_size)
558 x4->params.i_slice_max_size = avctx->rtp_payload_size;
559 }
560
561 if (x4->fastfirstpass)
562 x264_param_apply_fastfirstpass(&x4->params);
563
564 /* Allow specifying the x264 profile through AVCodecContext. */
565 if (!x4->profile)
566 switch (avctx->profile) {
567 case FF_PROFILE_H264_BASELINE:
568 x4->profile = av_strdup("baseline");
569 break;
570 case FF_PROFILE_H264_HIGH:
571 x4->profile = av_strdup("high");
572 break;
573 case FF_PROFILE_H264_HIGH_10:
574 x4->profile = av_strdup("high10");
575 break;
576 case FF_PROFILE_H264_HIGH_422:
577 x4->profile = av_strdup("high422");
578 break;
579 case FF_PROFILE_H264_HIGH_444:
580 x4->profile = av_strdup("high444");
581 break;
582 case FF_PROFILE_H264_MAIN:
583 x4->profile = av_strdup("main");
584 break;
585 default:
586 break;
587 }
588
589 if (x4->nal_hrd >= 0)
590 x4->params.i_nal_hrd = x4->nal_hrd;
591
592 if (x4->profile)
593 if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
594 int i;
595 av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
596 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
597 for (i = 0; x264_profile_names[i]; i++)
598 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
599 av_log(avctx, AV_LOG_INFO, "\n");
600 return AVERROR(EINVAL);
601 }
602
603 x4->params.i_width = avctx->width;
604 x4->params.i_height = avctx->height;
605 av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
606 x4->params.vui.i_sar_width = sw;
607 x4->params.vui.i_sar_height = sh;
608 x4->params.i_timebase_den = avctx->time_base.den;
609 x4->params.i_timebase_num = avctx->time_base.num;
610 x4->params.i_fps_num = avctx->time_base.den;
611 x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
612
613 x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
614
615 x4->params.i_threads = avctx->thread_count;
616 if (avctx->thread_type)
617 x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
618
619 x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
620
621 x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
622
623 x4->params.i_slice_count = avctx->slices;
624
625 x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
626 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
627 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
628 avctx->color_range == AVCOL_RANGE_JPEG;
629
630 if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
631 x4->params.vui.i_colmatrix = avctx->colorspace;
632 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
633 x4->params.vui.i_colorprim = avctx->color_primaries;
634 if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
635 x4->params.vui.i_transfer = avctx->color_trc;
636
637 if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
638 x4->params.b_repeat_headers = 0;
639
640 if(x4->x264opts){
641 const char *p= x4->x264opts;
642 while(p){
643 char param[256]={0}, val[256]={0};
644 if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){
645 OPT_STR(param, "1");
646 }else
647 OPT_STR(param, val);
648 p= strchr(p, ':');
649 p+=!!p;
650 }
651 }
652
653 if (x4->x264_params) {
654 AVDictionary *dict = NULL;
655 AVDictionaryEntry *en = NULL;
656
657 if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
658 while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
659 if (x264_param_parse(&x4->params, en->key, en->value) < 0)
660 av_log(avctx, AV_LOG_WARNING,
661 "Error parsing option '%s = %s'.\n",
662 en->key, en->value);
663 }
664
665 av_dict_free(&dict);
666 }
667 }
668
669 // update AVCodecContext with x264 parameters
670 avctx->has_b_frames = x4->params.i_bframe ?
671 x4->params.i_bframe_pyramid ? 2 : 1 : 0;
672 if (avctx->max_b_frames < 0)
673 avctx->max_b_frames = 0;
674
675 avctx->bit_rate = x4->params.rc.i_bitrate*1000;
676
677 x4->enc = x264_encoder_open(&x4->params);
678 if (!x4->enc)
679 return -1;
680
681 avctx->coded_frame = av_frame_alloc();
682 if (!avctx->coded_frame)
683 return AVERROR(ENOMEM);
684
685 if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
686 x264_nal_t *nal;
687 uint8_t *p;
688 int nnal, s, i;
689
690 s = x264_encoder_headers(x4->enc, &nal, &nnal);
691 avctx->extradata = p = av_malloc(s);
692
693 for (i = 0; i < nnal; i++) {
694 /* Don't put the SEI in extradata. */
695 if (nal[i].i_type == NAL_SEI) {
696 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
697 x4->sei_size = nal[i].i_payload;
698 x4->sei = av_malloc(x4->sei_size);
699 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
700 continue;
701 }
702 memcpy(p, nal[i].p_payload, nal[i].i_payload);
703 p += nal[i].i_payload;
704 }
705 avctx->extradata_size = p - avctx->extradata;
706 }
707
708 return 0;
709}
710
711static const enum AVPixelFormat pix_fmts_8bit[] = {
712 AV_PIX_FMT_YUV420P,
713 AV_PIX_FMT_YUVJ420P,
714 AV_PIX_FMT_YUV422P,
715 AV_PIX_FMT_YUVJ422P,
716 AV_PIX_FMT_YUV444P,
717 AV_PIX_FMT_YUVJ444P,
718 AV_PIX_FMT_NV12,
719 AV_PIX_FMT_NV16,
720 AV_PIX_FMT_NONE
721};
722static const enum AVPixelFormat pix_fmts_9bit[] = {
723 AV_PIX_FMT_YUV420P9,
724 AV_PIX_FMT_YUV444P9,
725 AV_PIX_FMT_NONE
726};
727static const enum AVPixelFormat pix_fmts_10bit[] = {
728 AV_PIX_FMT_YUV420P10,
729 AV_PIX_FMT_YUV422P10,
730 AV_PIX_FMT_YUV444P10,
731 AV_PIX_FMT_NV20,
732 AV_PIX_FMT_NONE
733};
734static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
735#ifdef X264_CSP_BGR
736 AV_PIX_FMT_BGR24,
737 AV_PIX_FMT_RGB24,
738#endif
739 AV_PIX_FMT_NONE
740};
741
742static av_cold void X264_init_static(AVCodec *codec)
743{
744 if (x264_bit_depth == 8)
745 codec->pix_fmts = pix_fmts_8bit;
746 else if (x264_bit_depth == 9)
747 codec->pix_fmts = pix_fmts_9bit;
748 else if (x264_bit_depth == 10)
749 codec->pix_fmts = pix_fmts_10bit;
750}
751
752#define OFFSET(x) offsetof(X264Context, x)
753#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
754static const AVOption options[] = {
755 { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
756 { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
757 { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
758 { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE},
759 {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
760 {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
761 {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
762 {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
763 { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
764 { "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 },
765 { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
766 { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
767 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
768 { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
769 { "autovariance", "Auto-variance AQ (experimental)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
770 { "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},
771 { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
772 { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
773 { "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 },
774 { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
775 { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
776 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
777 { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
778 { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
779 { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
780 { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
781 { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
782 { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
783 { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
784 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
785 { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
786 { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
787 { "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 },
788 { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
789 { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
790 { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
791 { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
792 { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
793 { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
794 { "partitions", "A comma-separated list of partitions to consider. "
795 "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
796 { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
797 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
798 { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
799 { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
800 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
801 { "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 },
802 { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
803 { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
804 "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
805 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
806 { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
807 { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
808 { "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 },
809 { NULL },
810};
811
812static const AVClass x264_class = {
813 .class_name = "libx264",
814 .item_name = av_default_item_name,
815 .option = options,
816 .version = LIBAVUTIL_VERSION_INT,
817};
818
819static const AVClass rgbclass = {
820 .class_name = "libx264rgb",
821 .item_name = av_default_item_name,
822 .option = options,
823 .version = LIBAVUTIL_VERSION_INT,
824};
825
826static const AVCodecDefault x264_defaults[] = {
827 { "b", "0" },
828 { "bf", "-1" },
829 { "flags2", "0" },
830 { "g", "-1" },
831 { "i_qfactor", "-1" },
832 { "b_qfactor", "-1" },
833 { "qmin", "-1" },
834 { "qmax", "-1" },
835 { "qdiff", "-1" },
836 { "qblur", "-1" },
837 { "qcomp", "-1" },
838// { "rc_lookahead", "-1" },
839 { "refs", "-1" },
840 { "sc_threshold", "-1" },
841 { "trellis", "-1" },
842 { "nr", "-1" },
843 { "me_range", "-1" },
844 { "me_method", "-1" },
845 { "subq", "-1" },
846 { "b_strategy", "-1" },
847 { "keyint_min", "-1" },
848 { "coder", "-1" },
849 { "cmp", "-1" },
850 { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
851 { "thread_type", "0" },
852 { "flags", "+cgop" },
853 { "rc_init_occupancy","-1" },
854 { NULL },
855};
856
857AVCodec ff_libx264_encoder = {
858 .name = "libx264",
859 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
860 .type = AVMEDIA_TYPE_VIDEO,
861 .id = AV_CODEC_ID_H264,
862 .priv_data_size = sizeof(X264Context),
863 .init = X264_init,
864 .encode2 = X264_frame,
865 .close = X264_close,
866 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
867 .priv_class = &x264_class,
868 .defaults = x264_defaults,
869 .init_static_data = X264_init_static,
870};
871
872AVCodec ff_libx264rgb_encoder = {
873 .name = "libx264rgb",
874 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
875 .type = AVMEDIA_TYPE_VIDEO,
876 .id = AV_CODEC_ID_H264,
877 .priv_data_size = sizeof(X264Context),
878 .init = X264_init,
879 .encode2 = X264_frame,
880 .close = X264_close,
881 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
882 .priv_class = &rgbclass,
883 .defaults = x264_defaults,
884 .pix_fmts = pix_fmts_8bit_rgb,
885};
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