2 * H.264 encoding using the x264 library
3 * Copyright (C) 2005 Mans Rullgard <mans@mansr.com>
5 * This file is part of FFmpeg.
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.
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.
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
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 "libavutil/intreadwrite.h"
33 #define X264_API_IMPORTS 1
43 typedef struct X264Context {
91 int scenechange_threshold;
96 int nb_reordered_opaque, next_reordered_opaque;
97 int64_t *reordered_opaque;
100 static void X264_log(void *p, int level, const char *fmt, va_list args)
102 static const int level_map[] = {
103 [X264_LOG_ERROR] = AV_LOG_ERROR,
104 [X264_LOG_WARNING] = AV_LOG_WARNING,
105 [X264_LOG_INFO] = AV_LOG_INFO,
106 [X264_LOG_DEBUG] = AV_LOG_DEBUG
109 if (level < 0 || level > X264_LOG_DEBUG)
112 av_vlog(p, level_map[level], fmt, args);
116 static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
117 const x264_nal_t *nals, int nnal)
119 X264Context *x4 = ctx->priv_data;
121 int i, size = x4->sei_size, ret;
126 for (i = 0; i < nnal; i++)
127 size += nals[i].i_payload;
129 if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
134 /* Write the SEI as part of the first frame. */
135 if (x4->sei_size > 0 && nnal > 0) {
136 if (x4->sei_size > size) {
137 av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
140 memcpy(p, x4->sei, x4->sei_size);
146 for (i = 0; i < nnal; i++){
147 memcpy(p, nals[i].p_payload, nals[i].i_payload);
148 p += nals[i].i_payload;
154 static int avfmt2_num_planes(int avfmt)
157 case AV_PIX_FMT_YUV420P:
158 case AV_PIX_FMT_YUVJ420P:
159 case AV_PIX_FMT_YUV420P9:
160 case AV_PIX_FMT_YUV420P10:
161 case AV_PIX_FMT_YUV444P:
164 case AV_PIX_FMT_BGR0:
165 case AV_PIX_FMT_BGR24:
166 case AV_PIX_FMT_RGB24:
167 case AV_PIX_FMT_GRAY8:
168 case AV_PIX_FMT_GRAY10:
176 static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
178 X264Context *x4 = ctx->priv_data;
179 AVFrameSideData *side_data;
182 if (x4->avcintra_class < 0) {
183 if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
185 x4->params.b_tff = frame->top_field_first;
186 x264_encoder_reconfig(x4->enc, &x4->params);
188 if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
189 x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
190 x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
191 x264_encoder_reconfig(x4->enc, &x4->params);
194 if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
195 x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
196 x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
197 x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
198 x264_encoder_reconfig(x4->enc, &x4->params);
201 if (x4->params.rc.i_rc_method == X264_RC_ABR &&
202 x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
203 x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
204 x264_encoder_reconfig(x4->enc, &x4->params);
208 x4->params.rc.i_rc_method == X264_RC_CRF &&
209 x4->params.rc.f_rf_constant != x4->crf) {
210 x4->params.rc.f_rf_constant = x4->crf;
211 x264_encoder_reconfig(x4->enc, &x4->params);
214 if (x4->params.rc.i_rc_method == X264_RC_CQP &&
216 x4->params.rc.i_qp_constant != x4->cqp) {
217 x4->params.rc.i_qp_constant = x4->cqp;
218 x264_encoder_reconfig(x4->enc, &x4->params);
221 if (x4->crf_max >= 0 &&
222 x4->params.rc.f_rf_constant_max != x4->crf_max) {
223 x4->params.rc.f_rf_constant_max = x4->crf_max;
224 x264_encoder_reconfig(x4->enc, &x4->params);
228 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
230 AVStereo3D *stereo = (AVStereo3D *)side_data->data;
233 switch (stereo->type) {
234 case AV_STEREO3D_CHECKERBOARD:
237 case AV_STEREO3D_COLUMNS:
240 case AV_STEREO3D_LINES:
243 case AV_STEREO3D_SIDEBYSIDE:
246 case AV_STEREO3D_TOPBOTTOM:
249 case AV_STEREO3D_FRAMESEQUENCE:
252 #if X264_BUILD >= 145
262 /* Inverted mode is not supported by x264 */
263 if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
264 av_log(ctx, AV_LOG_WARNING,
265 "Ignoring unsupported inverted stereo value %d\n", fpa_type);
269 if (fpa_type != x4->params.i_frame_packing) {
270 x4->params.i_frame_packing = fpa_type;
271 x264_encoder_reconfig(x4->enc, &x4->params);
276 static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
279 X264Context *x4 = ctx->priv_data;
282 x264_picture_t pic_out = {0};
286 x264_picture_init( &x4->pic );
287 x4->pic.img.i_csp = x4->params.i_csp;
288 #if X264_BUILD >= 153
289 if (x4->params.i_bitdepth > 8)
291 if (x264_bit_depth > 8)
293 x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
294 x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
297 for (i = 0; i < x4->pic.img.i_plane; i++) {
298 x4->pic.img.plane[i] = frame->data[i];
299 x4->pic.img.i_stride[i] = frame->linesize[i];
302 x4->pic.i_pts = frame->pts;
304 x4->reordered_opaque[x4->next_reordered_opaque] = frame->reordered_opaque;
305 x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque];
306 x4->next_reordered_opaque++;
307 x4->next_reordered_opaque %= x4->nb_reordered_opaque;
309 switch (frame->pict_type) {
310 case AV_PICTURE_TYPE_I:
311 x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
312 : X264_TYPE_KEYFRAME;
314 case AV_PICTURE_TYPE_P:
315 x4->pic.i_type = X264_TYPE_P;
317 case AV_PICTURE_TYPE_B:
318 x4->pic.i_type = X264_TYPE_B;
321 x4->pic.i_type = X264_TYPE_AUTO;
324 reconfig_encoder(ctx, frame);
330 ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
332 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
333 } else if (sei_data) {
334 x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
335 if (x4->pic.extra_sei.payloads == NULL) {
336 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
339 x4->pic.extra_sei.sei_free = av_free;
341 x4->pic.extra_sei.payloads[0].payload_size = sei_size;
342 x4->pic.extra_sei.payloads[0].payload = sei_data;
343 x4->pic.extra_sei.num_payloads = 1;
344 x4->pic.extra_sei.payloads[0].payload_type = 4;
351 if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
352 return AVERROR_EXTERNAL;
354 ret = encode_nals(ctx, pkt, nal, nnal);
357 } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
359 pkt->pts = pic_out.i_pts;
360 pkt->dts = pic_out.i_dts;
362 out_opaque = pic_out.opaque;
363 if (out_opaque >= x4->reordered_opaque &&
364 out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {
365 ctx->reordered_opaque = *out_opaque;
367 // Unexpected opaque pointer on picture output
368 ctx->reordered_opaque = 0;
371 switch (pic_out.i_type) {
374 pict_type = AV_PICTURE_TYPE_I;
377 pict_type = AV_PICTURE_TYPE_P;
381 pict_type = AV_PICTURE_TYPE_B;
384 pict_type = AV_PICTURE_TYPE_NONE;
386 #if FF_API_CODED_FRAME
387 FF_DISABLE_DEPRECATION_WARNINGS
388 ctx->coded_frame->pict_type = pict_type;
389 FF_ENABLE_DEPRECATION_WARNINGS
392 pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
394 ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
396 #if FF_API_CODED_FRAME
397 FF_DISABLE_DEPRECATION_WARNINGS
398 ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
399 FF_ENABLE_DEPRECATION_WARNINGS
407 static av_cold int X264_close(AVCodecContext *avctx)
409 X264Context *x4 = avctx->priv_data;
411 av_freep(&avctx->extradata);
413 av_freep(&x4->reordered_opaque);
416 x264_encoder_close(x4->enc);
423 #define OPT_STR(opt, param) \
426 if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
427 if(ret == X264_PARAM_BAD_NAME) \
428 av_log(avctx, AV_LOG_ERROR, \
429 "bad option '%s': '%s'\n", opt, param); \
431 av_log(avctx, AV_LOG_ERROR, \
432 "bad value for '%s': '%s'\n", opt, param); \
437 static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
440 case AV_PIX_FMT_YUV420P:
441 case AV_PIX_FMT_YUVJ420P:
442 case AV_PIX_FMT_YUV420P9:
443 case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
444 case AV_PIX_FMT_YUV422P:
445 case AV_PIX_FMT_YUVJ422P:
446 case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
447 case AV_PIX_FMT_YUV444P:
448 case AV_PIX_FMT_YUVJ444P:
449 case AV_PIX_FMT_YUV444P9:
450 case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
451 #if CONFIG_LIBX264RGB_ENCODER
452 case AV_PIX_FMT_BGR0:
453 return X264_CSP_BGRA;
454 case AV_PIX_FMT_BGR24:
457 case AV_PIX_FMT_RGB24:
460 case AV_PIX_FMT_NV12: return X264_CSP_NV12;
461 case AV_PIX_FMT_NV16:
462 case AV_PIX_FMT_NV20: return X264_CSP_NV16;
464 case AV_PIX_FMT_NV21: return X264_CSP_NV21;
467 case AV_PIX_FMT_GRAY8:
468 case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
474 #define PARSE_X264_OPT(name, var)\
475 if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
476 av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
477 return AVERROR(EINVAL);\
480 static av_cold int X264_init(AVCodecContext *avctx)
482 X264Context *x4 = avctx->priv_data;
483 AVCPBProperties *cpb_props;
486 if (avctx->global_quality > 0)
487 av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
489 #if CONFIG_LIBX262_ENCODER
490 if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
491 x4->params.b_mpeg2 = 1;
492 x264_param_default_mpeg2(&x4->params);
495 x264_param_default(&x4->params);
497 x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
499 if (x4->preset || x4->tune)
500 if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
502 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
503 av_log(avctx, AV_LOG_INFO, "Possible presets:");
504 for (i = 0; x264_preset_names[i]; i++)
505 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
506 av_log(avctx, AV_LOG_INFO, "\n");
507 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
508 for (i = 0; x264_tune_names[i]; i++)
509 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
510 av_log(avctx, AV_LOG_INFO, "\n");
511 return AVERROR(EINVAL);
514 if (avctx->level > 0)
515 x4->params.i_level_idc = avctx->level;
517 x4->params.pf_log = X264_log;
518 x4->params.p_log_private = avctx;
519 x4->params.i_log_level = X264_LOG_DEBUG;
520 x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
521 #if X264_BUILD >= 153
522 x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
525 PARSE_X264_OPT("weightp", wpredp);
527 if (avctx->bit_rate) {
528 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
529 x4->params.rc.i_rc_method = X264_RC_ABR;
531 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
532 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
533 x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
534 if (avctx->flags & AV_CODEC_FLAG_PASS2) {
535 x4->params.rc.b_stat_read = 1;
538 x4->params.rc.i_rc_method = X264_RC_CRF;
539 x4->params.rc.f_rf_constant = x4->crf;
540 } else if (x4->cqp >= 0) {
541 x4->params.rc.i_rc_method = X264_RC_CQP;
542 x4->params.rc.i_qp_constant = x4->cqp;
545 if (x4->crf_max >= 0)
546 x4->params.rc.f_rf_constant_max = x4->crf_max;
549 if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
550 (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
551 x4->params.rc.f_vbv_buffer_init =
552 (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
555 PARSE_X264_OPT("level", level);
557 if (avctx->i_quant_factor > 0)
558 x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
559 if (avctx->b_quant_factor > 0)
560 x4->params.rc.f_pb_factor = avctx->b_quant_factor;
562 #if FF_API_PRIVATE_OPT
563 FF_DISABLE_DEPRECATION_WARNINGS
564 if (avctx->chromaoffset >= 0)
565 x4->chroma_offset = avctx->chromaoffset;
566 FF_ENABLE_DEPRECATION_WARNINGS
568 if (x4->chroma_offset >= 0)
569 x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
571 if (avctx->gop_size >= 0)
572 x4->params.i_keyint_max = avctx->gop_size;
573 if (avctx->max_b_frames >= 0)
574 x4->params.i_bframe = avctx->max_b_frames;
576 #if FF_API_PRIVATE_OPT
577 FF_DISABLE_DEPRECATION_WARNINGS
578 if (avctx->scenechange_threshold >= 0)
579 x4->scenechange_threshold = avctx->scenechange_threshold;
580 FF_ENABLE_DEPRECATION_WARNINGS
582 if (x4->scenechange_threshold >= 0)
583 x4->params.i_scenecut_threshold = x4->scenechange_threshold;
585 if (avctx->qmin >= 0)
586 x4->params.rc.i_qp_min = avctx->qmin;
587 if (avctx->qmax >= 0)
588 x4->params.rc.i_qp_max = avctx->qmax;
589 if (avctx->max_qdiff >= 0)
590 x4->params.rc.i_qp_step = avctx->max_qdiff;
591 if (avctx->qblur >= 0)
592 x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
593 if (avctx->qcompress >= 0)
594 x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
595 if (avctx->refs >= 0)
596 x4->params.i_frame_reference = avctx->refs;
597 else if (x4->level) {
599 int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
602 int scale = X264_BUILD < 129 ? 384 : 1;
604 if (!strcmp(x4->level, "1b")) {
606 } else if (strlen(x4->level) <= 3){
607 level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
612 av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
614 for (i = 0; i<x264_levels[i].level_idc; i++)
615 if (x264_levels[i].level_idc == level_id)
616 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
619 if (avctx->trellis >= 0)
620 x4->params.analyse.i_trellis = avctx->trellis;
621 if (avctx->me_range >= 0)
622 x4->params.analyse.i_me_range = avctx->me_range;
623 #if FF_API_PRIVATE_OPT
624 FF_DISABLE_DEPRECATION_WARNINGS
625 if (avctx->noise_reduction >= 0)
626 x4->noise_reduction = avctx->noise_reduction;
627 FF_ENABLE_DEPRECATION_WARNINGS
629 if (x4->noise_reduction >= 0)
630 x4->params.analyse.i_noise_reduction = x4->noise_reduction;
631 if (avctx->me_subpel_quality >= 0)
632 x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
633 #if FF_API_PRIVATE_OPT
634 FF_DISABLE_DEPRECATION_WARNINGS
635 if (avctx->b_frame_strategy >= 0)
636 x4->b_frame_strategy = avctx->b_frame_strategy;
637 FF_ENABLE_DEPRECATION_WARNINGS
639 if (avctx->keyint_min >= 0)
640 x4->params.i_keyint_min = avctx->keyint_min;
641 #if FF_API_CODER_TYPE
642 FF_DISABLE_DEPRECATION_WARNINGS
643 if (avctx->coder_type >= 0)
644 x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;
645 FF_ENABLE_DEPRECATION_WARNINGS
647 if (avctx->me_cmp >= 0)
648 x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
650 if (x4->aq_mode >= 0)
651 x4->params.rc.i_aq_mode = x4->aq_mode;
652 if (x4->aq_strength >= 0)
653 x4->params.rc.f_aq_strength = x4->aq_strength;
654 PARSE_X264_OPT("psy-rd", psy_rd);
655 PARSE_X264_OPT("deblock", deblock);
656 PARSE_X264_OPT("partitions", partitions);
657 PARSE_X264_OPT("stats", stats);
659 x4->params.analyse.b_psy = x4->psy;
660 if (x4->rc_lookahead >= 0)
661 x4->params.rc.i_lookahead = x4->rc_lookahead;
662 if (x4->weightp >= 0)
663 x4->params.analyse.i_weighted_pred = x4->weightp;
664 if (x4->weightb >= 0)
665 x4->params.analyse.b_weighted_bipred = x4->weightb;
666 if (x4->cplxblur >= 0)
667 x4->params.rc.f_complexity_blur = x4->cplxblur;
670 x4->params.analyse.b_ssim = x4->ssim;
671 if (x4->intra_refresh >= 0)
672 x4->params.b_intra_refresh = x4->intra_refresh;
673 if (x4->bluray_compat >= 0) {
674 x4->params.b_bluray_compat = x4->bluray_compat;
675 x4->params.b_vfr_input = 0;
677 if (x4->avcintra_class >= 0)
678 #if X264_BUILD >= 142
679 x4->params.i_avcintra_class = x4->avcintra_class;
681 av_log(avctx, AV_LOG_ERROR,
682 "x264 too old for AVC Intra, at least version 142 needed\n");
684 if (x4->b_bias != INT_MIN)
685 x4->params.i_bframe_bias = x4->b_bias;
686 if (x4->b_pyramid >= 0)
687 x4->params.i_bframe_pyramid = x4->b_pyramid;
688 if (x4->mixed_refs >= 0)
689 x4->params.analyse.b_mixed_references = x4->mixed_refs;
691 x4->params.analyse.b_transform_8x8 = x4->dct8x8;
692 if (x4->fast_pskip >= 0)
693 x4->params.analyse.b_fast_pskip = x4->fast_pskip;
695 x4->params.b_aud = x4->aud;
697 x4->params.rc.b_mb_tree = x4->mbtree;
698 if (x4->direct_pred >= 0)
699 x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
701 if (x4->slice_max_size >= 0)
702 x4->params.i_slice_max_size = x4->slice_max_size;
704 if (x4->fastfirstpass)
705 x264_param_apply_fastfirstpass(&x4->params);
707 /* Allow specifying the x264 profile through AVCodecContext. */
709 switch (avctx->profile) {
710 case FF_PROFILE_H264_BASELINE:
711 x4->profile = av_strdup("baseline");
713 case FF_PROFILE_H264_HIGH:
714 x4->profile = av_strdup("high");
716 case FF_PROFILE_H264_HIGH_10:
717 x4->profile = av_strdup("high10");
719 case FF_PROFILE_H264_HIGH_422:
720 x4->profile = av_strdup("high422");
722 case FF_PROFILE_H264_HIGH_444:
723 x4->profile = av_strdup("high444");
725 case FF_PROFILE_H264_MAIN:
726 x4->profile = av_strdup("main");
732 if (x4->nal_hrd >= 0)
733 x4->params.i_nal_hrd = x4->nal_hrd;
735 if (x4->motion_est >= 0)
736 x4->params.analyse.i_me_method = x4->motion_est;
739 x4->params.b_cabac = x4->coder;
741 if (x4->b_frame_strategy >= 0)
742 x4->params.i_bframe_adaptive = x4->b_frame_strategy;
745 if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
747 av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
748 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
749 for (i = 0; x264_profile_names[i]; i++)
750 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
751 av_log(avctx, AV_LOG_INFO, "\n");
752 return AVERROR(EINVAL);
755 x4->params.i_width = avctx->width;
756 x4->params.i_height = avctx->height;
757 av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
758 x4->params.vui.i_sar_width = sw;
759 x4->params.vui.i_sar_height = sh;
760 x4->params.i_timebase_den = avctx->time_base.den;
761 x4->params.i_timebase_num = avctx->time_base.num;
762 x4->params.i_fps_num = avctx->time_base.den;
763 x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
765 x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
767 x4->params.i_threads = avctx->thread_count;
768 if (avctx->thread_type)
769 x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
771 x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
773 x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
775 x4->params.i_slice_count = avctx->slices;
777 x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
778 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
779 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
780 avctx->color_range == AVCOL_RANGE_JPEG;
782 if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
783 x4->params.vui.i_colmatrix = avctx->colorspace;
784 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
785 x4->params.vui.i_colorprim = avctx->color_primaries;
786 if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
787 x4->params.vui.i_transfer = avctx->color_trc;
789 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
790 x4->params.b_repeat_headers = 0;
793 const char *p= x4->x264opts;
795 char param[4096]={0}, val[4096]={0};
796 if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
805 if (x4->x264_params) {
806 AVDictionary *dict = NULL;
807 AVDictionaryEntry *en = NULL;
809 if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
810 while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
811 if (x264_param_parse(&x4->params, en->key, en->value) < 0)
812 av_log(avctx, AV_LOG_WARNING,
813 "Error parsing option '%s = %s'.\n",
821 // update AVCodecContext with x264 parameters
822 avctx->has_b_frames = x4->params.i_bframe ?
823 x4->params.i_bframe_pyramid ? 2 : 1 : 0;
824 if (avctx->max_b_frames < 0)
825 avctx->max_b_frames = 0;
827 avctx->bit_rate = x4->params.rc.i_bitrate*1000;
829 x4->enc = x264_encoder_open(&x4->params);
831 return AVERROR_EXTERNAL;
833 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
838 s = x264_encoder_headers(x4->enc, &nal, &nnal);
839 avctx->extradata = p = av_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE);
841 return AVERROR(ENOMEM);
843 for (i = 0; i < nnal; i++) {
844 /* Don't put the SEI in extradata. */
845 if (nal[i].i_type == NAL_SEI) {
846 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
847 x4->sei_size = nal[i].i_payload;
848 x4->sei = av_malloc(x4->sei_size);
850 return AVERROR(ENOMEM);
851 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
854 memcpy(p, nal[i].p_payload, nal[i].i_payload);
855 p += nal[i].i_payload;
857 avctx->extradata_size = p - avctx->extradata;
860 cpb_props = ff_add_cpb_side_data(avctx);
862 return AVERROR(ENOMEM);
863 cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
864 cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000;
865 cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000;
867 // Overestimate the reordered opaque buffer size, in case a runtime
868 // reconfigure would increase the delay (which it shouldn't).
869 x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;
870 x4->reordered_opaque = av_malloc_array(x4->nb_reordered_opaque,
871 sizeof(*x4->reordered_opaque));
872 if (!x4->reordered_opaque)
873 return AVERROR(ENOMEM);
878 static const enum AVPixelFormat pix_fmts_8bit[] = {
892 static const enum AVPixelFormat pix_fmts_9bit[] = {
897 static const enum AVPixelFormat pix_fmts_10bit[] = {
898 AV_PIX_FMT_YUV420P10,
899 AV_PIX_FMT_YUV422P10,
900 AV_PIX_FMT_YUV444P10,
904 static const enum AVPixelFormat pix_fmts_all[] = {
916 AV_PIX_FMT_YUV420P10,
917 AV_PIX_FMT_YUV422P10,
918 AV_PIX_FMT_YUV444P10,
926 #if CONFIG_LIBX264RGB_ENCODER
927 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
935 static av_cold void X264_init_static(AVCodec *codec)
938 if (x264_bit_depth == 8)
939 codec->pix_fmts = pix_fmts_8bit;
940 else if (x264_bit_depth == 9)
941 codec->pix_fmts = pix_fmts_9bit;
942 else if (x264_bit_depth == 10)
943 codec->pix_fmts = pix_fmts_10bit;
945 codec->pix_fmts = pix_fmts_all;
949 #define OFFSET(x) offsetof(X264Context, x)
950 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
951 static const AVOption options[] = {
952 { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
953 { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
954 { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
955 { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
956 {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
957 {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
958 {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
959 {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
960 {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
961 { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
962 { "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 },
963 { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
964 { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
965 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
966 { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
967 { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
968 #if X264_BUILD >= 144
969 { "autovariance-biased", "Auto-variance AQ with bias to dark scenes", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE_BIASED}, INT_MIN, INT_MAX, VE, "aq_mode" },
971 { "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},
972 { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
973 { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
974 { "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 },
975 { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
976 { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
977 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
978 { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
979 { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
980 { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
981 { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
982 { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
983 { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
984 { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
985 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
986 { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
987 { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
988 { "mixed-refs", "One reference per partition, as opposed to one reference per macroblock", OFFSET(mixed_refs), AV_OPT_TYPE_BOOL, { .i64 = -1}, -1, 1, VE },
989 { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
990 { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
991 { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
992 { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
993 { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
994 { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
995 { "partitions", "A comma-separated list of partitions to consider. "
996 "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
997 { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
998 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
999 { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
1000 { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
1001 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
1002 { "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 },
1003 { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1004 { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
1005 "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
1006 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1007 { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1008 { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1009 { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
1010 { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1011 { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1012 { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
1013 { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
1014 { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
1015 { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1016 { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1017 { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
1018 { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
1019 { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
1020 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1021 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1022 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1023 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1024 { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
1025 { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1026 { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1027 { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1029 { "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 },
1033 static const AVCodecDefault x264_defaults[] = {
1038 { "i_qfactor", "-1" },
1039 { "b_qfactor", "-1" },
1045 // { "rc_lookahead", "-1" },
1047 #if FF_API_PRIVATE_OPT
1048 { "sc_threshold", "-1" },
1050 { "trellis", "-1" },
1051 #if FF_API_PRIVATE_OPT
1054 { "me_range", "-1" },
1056 #if FF_API_PRIVATE_OPT
1057 { "b_strategy", "-1" },
1059 { "keyint_min", "-1" },
1060 #if FF_API_CODER_TYPE
1064 { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1065 { "thread_type", "0" },
1066 { "flags", "+cgop" },
1067 { "rc_init_occupancy","-1" },
1071 #if CONFIG_LIBX264_ENCODER
1072 static const AVClass x264_class = {
1073 .class_name = "libx264",
1074 .item_name = av_default_item_name,
1076 .version = LIBAVUTIL_VERSION_INT,
1079 AVCodec ff_libx264_encoder = {
1081 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1082 .type = AVMEDIA_TYPE_VIDEO,
1083 .id = AV_CODEC_ID_H264,
1084 .priv_data_size = sizeof(X264Context),
1086 .encode2 = X264_frame,
1087 .close = X264_close,
1088 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1089 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1090 .priv_class = &x264_class,
1091 .defaults = x264_defaults,
1092 .init_static_data = X264_init_static,
1093 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1094 .wrapper_name = "libx264",
1098 #if CONFIG_LIBX264RGB_ENCODER
1099 static const AVClass rgbclass = {
1100 .class_name = "libx264rgb",
1101 .item_name = av_default_item_name,
1103 .version = LIBAVUTIL_VERSION_INT,
1106 AVCodec ff_libx264rgb_encoder = {
1107 .name = "libx264rgb",
1108 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1109 .type = AVMEDIA_TYPE_VIDEO,
1110 .id = AV_CODEC_ID_H264,
1111 .priv_data_size = sizeof(X264Context),
1113 .encode2 = X264_frame,
1114 .close = X264_close,
1115 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1116 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1117 .priv_class = &rgbclass,
1118 .defaults = x264_defaults,
1119 .pix_fmts = pix_fmts_8bit_rgb,
1120 .wrapper_name = "libx264",
1124 #if CONFIG_LIBX262_ENCODER
1125 static const AVClass X262_class = {
1126 .class_name = "libx262",
1127 .item_name = av_default_item_name,
1129 .version = LIBAVUTIL_VERSION_INT,
1132 AVCodec ff_libx262_encoder = {
1134 .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1135 .type = AVMEDIA_TYPE_VIDEO,
1136 .id = AV_CODEC_ID_MPEG2VIDEO,
1137 .priv_data_size = sizeof(X264Context),
1139 .encode2 = X264_frame,
1140 .close = X264_close,
1141 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1142 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1143 .priv_class = &X262_class,
1144 .defaults = x264_defaults,
1145 .pix_fmts = pix_fmts_8bit,
1146 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1147 .wrapper_name = "libx264",