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 // from x264.h, for quant_offsets, Macroblocks are 16x16
44 // blocks of pixels (with respect to the luma plane)
47 typedef struct X264Context {
95 int scenechange_threshold;
100 int nb_reordered_opaque, next_reordered_opaque;
101 int64_t *reordered_opaque;
104 * If the encoder does not support ROI then warn the first time we
105 * encounter a frame with ROI side data.
110 static void X264_log(void *p, int level, const char *fmt, va_list args)
112 static const int level_map[] = {
113 [X264_LOG_ERROR] = AV_LOG_ERROR,
114 [X264_LOG_WARNING] = AV_LOG_WARNING,
115 [X264_LOG_INFO] = AV_LOG_INFO,
116 [X264_LOG_DEBUG] = AV_LOG_DEBUG
119 if (level < 0 || level > X264_LOG_DEBUG)
122 av_vlog(p, level_map[level], fmt, args);
126 static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
127 const x264_nal_t *nals, int nnal)
129 X264Context *x4 = ctx->priv_data;
131 int i, size = x4->sei_size, ret;
136 for (i = 0; i < nnal; i++)
137 size += nals[i].i_payload;
139 if ((ret = ff_alloc_packet2(ctx, pkt, size, 0)) < 0)
144 /* Write the SEI as part of the first frame. */
145 if (x4->sei_size > 0 && nnal > 0) {
146 if (x4->sei_size > size) {
147 av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
150 memcpy(p, x4->sei, x4->sei_size);
156 for (i = 0; i < nnal; i++){
157 memcpy(p, nals[i].p_payload, nals[i].i_payload);
158 p += nals[i].i_payload;
164 static int avfmt2_num_planes(int avfmt)
167 case AV_PIX_FMT_YUV420P:
168 case AV_PIX_FMT_YUVJ420P:
169 case AV_PIX_FMT_YUV420P9:
170 case AV_PIX_FMT_YUV420P10:
171 case AV_PIX_FMT_YUV444P:
174 case AV_PIX_FMT_BGR0:
175 case AV_PIX_FMT_BGR24:
176 case AV_PIX_FMT_RGB24:
177 case AV_PIX_FMT_GRAY8:
178 case AV_PIX_FMT_GRAY10:
186 static void reconfig_encoder(AVCodecContext *ctx, const AVFrame *frame)
188 X264Context *x4 = ctx->priv_data;
189 AVFrameSideData *side_data;
192 if (x4->avcintra_class < 0) {
193 if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
195 x4->params.b_tff = frame->top_field_first;
196 x264_encoder_reconfig(x4->enc, &x4->params);
198 if (x4->params.vui.i_sar_height*ctx->sample_aspect_ratio.num != ctx->sample_aspect_ratio.den * x4->params.vui.i_sar_width) {
199 x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
200 x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
201 x264_encoder_reconfig(x4->enc, &x4->params);
204 if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
205 x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
206 x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
207 x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
208 x264_encoder_reconfig(x4->enc, &x4->params);
211 if (x4->params.rc.i_rc_method == X264_RC_ABR &&
212 x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
213 x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
214 x264_encoder_reconfig(x4->enc, &x4->params);
218 x4->params.rc.i_rc_method == X264_RC_CRF &&
219 x4->params.rc.f_rf_constant != x4->crf) {
220 x4->params.rc.f_rf_constant = x4->crf;
221 x264_encoder_reconfig(x4->enc, &x4->params);
224 if (x4->params.rc.i_rc_method == X264_RC_CQP &&
226 x4->params.rc.i_qp_constant != x4->cqp) {
227 x4->params.rc.i_qp_constant = x4->cqp;
228 x264_encoder_reconfig(x4->enc, &x4->params);
231 if (x4->crf_max >= 0 &&
232 x4->params.rc.f_rf_constant_max != x4->crf_max) {
233 x4->params.rc.f_rf_constant_max = x4->crf_max;
234 x264_encoder_reconfig(x4->enc, &x4->params);
238 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
240 AVStereo3D *stereo = (AVStereo3D *)side_data->data;
243 switch (stereo->type) {
244 case AV_STEREO3D_CHECKERBOARD:
247 case AV_STEREO3D_COLUMNS:
250 case AV_STEREO3D_LINES:
253 case AV_STEREO3D_SIDEBYSIDE:
256 case AV_STEREO3D_TOPBOTTOM:
259 case AV_STEREO3D_FRAMESEQUENCE:
262 #if X264_BUILD >= 145
272 /* Inverted mode is not supported by x264 */
273 if (stereo->flags & AV_STEREO3D_FLAG_INVERT) {
274 av_log(ctx, AV_LOG_WARNING,
275 "Ignoring unsupported inverted stereo value %d\n", fpa_type);
279 if (fpa_type != x4->params.i_frame_packing) {
280 x4->params.i_frame_packing = fpa_type;
281 x264_encoder_reconfig(x4->enc, &x4->params);
286 static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
289 X264Context *x4 = ctx->priv_data;
292 x264_picture_t pic_out = {0};
298 x264_picture_init( &x4->pic );
299 x4->pic.img.i_csp = x4->params.i_csp;
300 #if X264_BUILD >= 153
301 bit_depth = x4->params.i_bitdepth;
303 bit_depth = x264_bit_depth;
306 x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
307 x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
310 for (i = 0; i < x4->pic.img.i_plane; i++) {
311 x4->pic.img.plane[i] = frame->data[i];
312 x4->pic.img.i_stride[i] = frame->linesize[i];
315 x4->pic.i_pts = frame->pts;
317 x4->reordered_opaque[x4->next_reordered_opaque] = frame->reordered_opaque;
318 x4->pic.opaque = &x4->reordered_opaque[x4->next_reordered_opaque];
319 x4->next_reordered_opaque++;
320 x4->next_reordered_opaque %= x4->nb_reordered_opaque;
322 switch (frame->pict_type) {
323 case AV_PICTURE_TYPE_I:
324 x4->pic.i_type = x4->forced_idr > 0 ? X264_TYPE_IDR
325 : X264_TYPE_KEYFRAME;
327 case AV_PICTURE_TYPE_P:
328 x4->pic.i_type = X264_TYPE_P;
330 case AV_PICTURE_TYPE_B:
331 x4->pic.i_type = X264_TYPE_B;
334 x4->pic.i_type = X264_TYPE_AUTO;
337 reconfig_encoder(ctx, frame);
343 ret = ff_alloc_a53_sei(frame, 0, &sei_data, &sei_size);
345 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
346 } else if (sei_data) {
347 x4->pic.extra_sei.payloads = av_mallocz(sizeof(x4->pic.extra_sei.payloads[0]));
348 if (x4->pic.extra_sei.payloads == NULL) {
349 av_log(ctx, AV_LOG_ERROR, "Not enough memory for closed captions, skipping\n");
352 x4->pic.extra_sei.sei_free = av_free;
354 x4->pic.extra_sei.payloads[0].payload_size = sei_size;
355 x4->pic.extra_sei.payloads[0].payload = sei_data;
356 x4->pic.extra_sei.num_payloads = 1;
357 x4->pic.extra_sei.payloads[0].payload_type = 4;
362 sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
364 if (x4->params.rc.i_aq_mode == X264_AQ_NONE) {
365 if (!x4->roi_warned) {
367 av_log(ctx, AV_LOG_WARNING, "Adaptive quantization must be enabled to use ROI encoding, skipping ROI.\n");
370 if (frame->interlaced_frame == 0) {
371 int mbx = (frame->width + MB_SIZE - 1) / MB_SIZE;
372 int mby = (frame->height + MB_SIZE - 1) / MB_SIZE;
373 int qp_range = 51 + 6 * (bit_depth - 8);
375 const AVRegionOfInterest *roi;
379 roi = (const AVRegionOfInterest*)sd->data;
380 roi_size = roi->self_size;
381 if (!roi_size || sd->size % roi_size != 0) {
382 av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
383 return AVERROR(EINVAL);
385 nb_rois = sd->size / roi_size;
387 qoffsets = av_mallocz_array(mbx * mby, sizeof(*qoffsets));
389 return AVERROR(ENOMEM);
391 // This list must be iterated in reverse because the first
392 // region in the list applies when regions overlap.
393 for (int i = nb_rois - 1; i >= 0; i--) {
394 int startx, endx, starty, endy;
397 roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
399 starty = FFMIN(mby, roi->top / MB_SIZE);
400 endy = FFMIN(mby, (roi->bottom + MB_SIZE - 1)/ MB_SIZE);
401 startx = FFMIN(mbx, roi->left / MB_SIZE);
402 endx = FFMIN(mbx, (roi->right + MB_SIZE - 1)/ MB_SIZE);
404 if (roi->qoffset.den == 0) {
406 av_log(ctx, AV_LOG_ERROR, "AVRegionOfInterest.qoffset.den must not be zero.\n");
407 return AVERROR(EINVAL);
409 qoffset = roi->qoffset.num * 1.0f / roi->qoffset.den;
410 qoffset = av_clipf(qoffset * qp_range, -qp_range, +qp_range);
412 for (int y = starty; y < endy; y++) {
413 for (int x = startx; x < endx; x++) {
414 qoffsets[x + y*mbx] = qoffset;
419 x4->pic.prop.quant_offsets = qoffsets;
420 x4->pic.prop.quant_offsets_free = av_free;
422 if (!x4->roi_warned) {
424 av_log(ctx, AV_LOG_WARNING, "interlaced_frame not supported for ROI encoding yet, skipping ROI.\n");
432 if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
433 return AVERROR_EXTERNAL;
435 ret = encode_nals(ctx, pkt, nal, nnal);
438 } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
440 pkt->pts = pic_out.i_pts;
441 pkt->dts = pic_out.i_dts;
443 out_opaque = pic_out.opaque;
444 if (out_opaque >= x4->reordered_opaque &&
445 out_opaque < &x4->reordered_opaque[x4->nb_reordered_opaque]) {
446 ctx->reordered_opaque = *out_opaque;
448 // Unexpected opaque pointer on picture output
449 ctx->reordered_opaque = 0;
452 switch (pic_out.i_type) {
455 pict_type = AV_PICTURE_TYPE_I;
458 pict_type = AV_PICTURE_TYPE_P;
462 pict_type = AV_PICTURE_TYPE_B;
465 pict_type = AV_PICTURE_TYPE_NONE;
467 #if FF_API_CODED_FRAME
468 FF_DISABLE_DEPRECATION_WARNINGS
469 ctx->coded_frame->pict_type = pict_type;
470 FF_ENABLE_DEPRECATION_WARNINGS
473 pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
475 ff_side_data_set_encoder_stats(pkt, (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA, NULL, 0, pict_type);
477 #if FF_API_CODED_FRAME
478 FF_DISABLE_DEPRECATION_WARNINGS
479 ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
480 FF_ENABLE_DEPRECATION_WARNINGS
488 static av_cold int X264_close(AVCodecContext *avctx)
490 X264Context *x4 = avctx->priv_data;
492 av_freep(&avctx->extradata);
494 av_freep(&x4->reordered_opaque);
497 x264_encoder_close(x4->enc);
504 #define OPT_STR(opt, param) \
507 if ((ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
508 if(ret == X264_PARAM_BAD_NAME) \
509 av_log(avctx, AV_LOG_ERROR, \
510 "bad option '%s': '%s'\n", opt, param); \
512 av_log(avctx, AV_LOG_ERROR, \
513 "bad value for '%s': '%s'\n", opt, param); \
518 static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
521 case AV_PIX_FMT_YUV420P:
522 case AV_PIX_FMT_YUVJ420P:
523 case AV_PIX_FMT_YUV420P9:
524 case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
525 case AV_PIX_FMT_YUV422P:
526 case AV_PIX_FMT_YUVJ422P:
527 case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
528 case AV_PIX_FMT_YUV444P:
529 case AV_PIX_FMT_YUVJ444P:
530 case AV_PIX_FMT_YUV444P9:
531 case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
532 #if CONFIG_LIBX264RGB_ENCODER
533 case AV_PIX_FMT_BGR0:
534 return X264_CSP_BGRA;
535 case AV_PIX_FMT_BGR24:
538 case AV_PIX_FMT_RGB24:
541 case AV_PIX_FMT_NV12: return X264_CSP_NV12;
542 case AV_PIX_FMT_NV16:
543 case AV_PIX_FMT_NV20: return X264_CSP_NV16;
545 case AV_PIX_FMT_NV21: return X264_CSP_NV21;
548 case AV_PIX_FMT_GRAY8:
549 case AV_PIX_FMT_GRAY10: return X264_CSP_I400;
555 #define PARSE_X264_OPT(name, var)\
556 if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
557 av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
558 return AVERROR(EINVAL);\
561 static av_cold int X264_init(AVCodecContext *avctx)
563 X264Context *x4 = avctx->priv_data;
564 AVCPBProperties *cpb_props;
567 if (avctx->global_quality > 0)
568 av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
570 #if CONFIG_LIBX262_ENCODER
571 if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
572 x4->params.b_mpeg2 = 1;
573 x264_param_default_mpeg2(&x4->params);
576 x264_param_default(&x4->params);
578 x4->params.b_deblocking_filter = avctx->flags & AV_CODEC_FLAG_LOOP_FILTER;
580 if (x4->preset || x4->tune)
581 if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
583 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
584 av_log(avctx, AV_LOG_INFO, "Possible presets:");
585 for (i = 0; x264_preset_names[i]; i++)
586 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
587 av_log(avctx, AV_LOG_INFO, "\n");
588 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
589 for (i = 0; x264_tune_names[i]; i++)
590 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
591 av_log(avctx, AV_LOG_INFO, "\n");
592 return AVERROR(EINVAL);
595 if (avctx->level > 0)
596 x4->params.i_level_idc = avctx->level;
598 x4->params.pf_log = X264_log;
599 x4->params.p_log_private = avctx;
600 x4->params.i_log_level = X264_LOG_DEBUG;
601 x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
602 #if X264_BUILD >= 153
603 x4->params.i_bitdepth = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth;
606 PARSE_X264_OPT("weightp", wpredp);
608 if (avctx->bit_rate) {
609 if (avctx->bit_rate / 1000 > INT_MAX || avctx->rc_max_rate / 1000 > INT_MAX) {
610 av_log(avctx, AV_LOG_ERROR, "bit_rate and rc_max_rate > %d000 not supported by libx264\n", INT_MAX);
611 return AVERROR(EINVAL);
613 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
614 x4->params.rc.i_rc_method = X264_RC_ABR;
616 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
617 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
618 x4->params.rc.b_stat_write = avctx->flags & AV_CODEC_FLAG_PASS1;
619 if (avctx->flags & AV_CODEC_FLAG_PASS2) {
620 x4->params.rc.b_stat_read = 1;
623 x4->params.rc.i_rc_method = X264_RC_CRF;
624 x4->params.rc.f_rf_constant = x4->crf;
625 } else if (x4->cqp >= 0) {
626 x4->params.rc.i_rc_method = X264_RC_CQP;
627 x4->params.rc.i_qp_constant = x4->cqp;
630 if (x4->crf_max >= 0)
631 x4->params.rc.f_rf_constant_max = x4->crf_max;
634 if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
635 (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
636 x4->params.rc.f_vbv_buffer_init =
637 (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
640 PARSE_X264_OPT("level", level);
642 if (avctx->i_quant_factor > 0)
643 x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
644 if (avctx->b_quant_factor > 0)
645 x4->params.rc.f_pb_factor = avctx->b_quant_factor;
647 #if FF_API_PRIVATE_OPT
648 FF_DISABLE_DEPRECATION_WARNINGS
649 if (avctx->chromaoffset >= 0)
650 x4->chroma_offset = avctx->chromaoffset;
651 FF_ENABLE_DEPRECATION_WARNINGS
653 if (x4->chroma_offset >= 0)
654 x4->params.analyse.i_chroma_qp_offset = x4->chroma_offset;
656 if (avctx->gop_size >= 0)
657 x4->params.i_keyint_max = avctx->gop_size;
658 if (avctx->max_b_frames >= 0)
659 x4->params.i_bframe = avctx->max_b_frames;
661 #if FF_API_PRIVATE_OPT
662 FF_DISABLE_DEPRECATION_WARNINGS
663 if (avctx->scenechange_threshold >= 0)
664 x4->scenechange_threshold = avctx->scenechange_threshold;
665 FF_ENABLE_DEPRECATION_WARNINGS
667 if (x4->scenechange_threshold >= 0)
668 x4->params.i_scenecut_threshold = x4->scenechange_threshold;
670 if (avctx->qmin >= 0)
671 x4->params.rc.i_qp_min = avctx->qmin;
672 if (avctx->qmax >= 0)
673 x4->params.rc.i_qp_max = avctx->qmax;
674 if (avctx->max_qdiff >= 0)
675 x4->params.rc.i_qp_step = avctx->max_qdiff;
676 if (avctx->qblur >= 0)
677 x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
678 if (avctx->qcompress >= 0)
679 x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
680 if (avctx->refs >= 0)
681 x4->params.i_frame_reference = avctx->refs;
682 else if (x4->level) {
684 int mbn = AV_CEIL_RSHIFT(avctx->width, 4) * AV_CEIL_RSHIFT(avctx->height, 4);
687 int scale = X264_BUILD < 129 ? 384 : 1;
689 if (!strcmp(x4->level, "1b")) {
691 } else if (strlen(x4->level) <= 3){
692 level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
697 av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
699 for (i = 0; i<x264_levels[i].level_idc; i++)
700 if (x264_levels[i].level_idc == level_id)
701 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
704 if (avctx->trellis >= 0)
705 x4->params.analyse.i_trellis = avctx->trellis;
706 if (avctx->me_range >= 0)
707 x4->params.analyse.i_me_range = avctx->me_range;
708 #if FF_API_PRIVATE_OPT
709 FF_DISABLE_DEPRECATION_WARNINGS
710 if (avctx->noise_reduction >= 0)
711 x4->noise_reduction = avctx->noise_reduction;
712 FF_ENABLE_DEPRECATION_WARNINGS
714 if (x4->noise_reduction >= 0)
715 x4->params.analyse.i_noise_reduction = x4->noise_reduction;
716 if (avctx->me_subpel_quality >= 0)
717 x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
718 #if FF_API_PRIVATE_OPT
719 FF_DISABLE_DEPRECATION_WARNINGS
720 if (avctx->b_frame_strategy >= 0)
721 x4->b_frame_strategy = avctx->b_frame_strategy;
722 FF_ENABLE_DEPRECATION_WARNINGS
724 if (avctx->keyint_min >= 0)
725 x4->params.i_keyint_min = avctx->keyint_min;
726 #if FF_API_CODER_TYPE
727 FF_DISABLE_DEPRECATION_WARNINGS
728 if (avctx->coder_type >= 0)
729 x4->coder = avctx->coder_type == FF_CODER_TYPE_AC;
730 FF_ENABLE_DEPRECATION_WARNINGS
732 if (avctx->me_cmp >= 0)
733 x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
735 if (x4->aq_mode >= 0)
736 x4->params.rc.i_aq_mode = x4->aq_mode;
737 if (x4->aq_strength >= 0)
738 x4->params.rc.f_aq_strength = x4->aq_strength;
739 PARSE_X264_OPT("psy-rd", psy_rd);
740 PARSE_X264_OPT("deblock", deblock);
741 PARSE_X264_OPT("partitions", partitions);
742 PARSE_X264_OPT("stats", stats);
744 x4->params.analyse.b_psy = x4->psy;
745 if (x4->rc_lookahead >= 0)
746 x4->params.rc.i_lookahead = x4->rc_lookahead;
747 if (x4->weightp >= 0)
748 x4->params.analyse.i_weighted_pred = x4->weightp;
749 if (x4->weightb >= 0)
750 x4->params.analyse.b_weighted_bipred = x4->weightb;
751 if (x4->cplxblur >= 0)
752 x4->params.rc.f_complexity_blur = x4->cplxblur;
755 x4->params.analyse.b_ssim = x4->ssim;
756 if (x4->intra_refresh >= 0)
757 x4->params.b_intra_refresh = x4->intra_refresh;
758 if (x4->bluray_compat >= 0) {
759 x4->params.b_bluray_compat = x4->bluray_compat;
760 x4->params.b_vfr_input = 0;
762 if (x4->avcintra_class >= 0)
763 #if X264_BUILD >= 142
764 x4->params.i_avcintra_class = x4->avcintra_class;
766 av_log(avctx, AV_LOG_ERROR,
767 "x264 too old for AVC Intra, at least version 142 needed\n");
769 if (x4->b_bias != INT_MIN)
770 x4->params.i_bframe_bias = x4->b_bias;
771 if (x4->b_pyramid >= 0)
772 x4->params.i_bframe_pyramid = x4->b_pyramid;
773 if (x4->mixed_refs >= 0)
774 x4->params.analyse.b_mixed_references = x4->mixed_refs;
776 x4->params.analyse.b_transform_8x8 = x4->dct8x8;
777 if (x4->fast_pskip >= 0)
778 x4->params.analyse.b_fast_pskip = x4->fast_pskip;
780 x4->params.b_aud = x4->aud;
782 x4->params.rc.b_mb_tree = x4->mbtree;
783 if (x4->direct_pred >= 0)
784 x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
786 if (x4->slice_max_size >= 0)
787 x4->params.i_slice_max_size = x4->slice_max_size;
789 if (x4->fastfirstpass)
790 x264_param_apply_fastfirstpass(&x4->params);
792 /* Allow specifying the x264 profile through AVCodecContext. */
794 switch (avctx->profile) {
795 case FF_PROFILE_H264_BASELINE:
796 x4->profile = av_strdup("baseline");
798 case FF_PROFILE_H264_HIGH:
799 x4->profile = av_strdup("high");
801 case FF_PROFILE_H264_HIGH_10:
802 x4->profile = av_strdup("high10");
804 case FF_PROFILE_H264_HIGH_422:
805 x4->profile = av_strdup("high422");
807 case FF_PROFILE_H264_HIGH_444:
808 x4->profile = av_strdup("high444");
810 case FF_PROFILE_H264_MAIN:
811 x4->profile = av_strdup("main");
817 if (x4->nal_hrd >= 0)
818 x4->params.i_nal_hrd = x4->nal_hrd;
820 if (x4->motion_est >= 0)
821 x4->params.analyse.i_me_method = x4->motion_est;
824 x4->params.b_cabac = x4->coder;
826 if (x4->b_frame_strategy >= 0)
827 x4->params.i_bframe_adaptive = x4->b_frame_strategy;
830 if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
832 av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
833 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
834 for (i = 0; x264_profile_names[i]; i++)
835 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
836 av_log(avctx, AV_LOG_INFO, "\n");
837 return AVERROR(EINVAL);
840 x4->params.i_width = avctx->width;
841 x4->params.i_height = avctx->height;
842 av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
843 x4->params.vui.i_sar_width = sw;
844 x4->params.vui.i_sar_height = sh;
845 x4->params.i_timebase_den = avctx->time_base.den;
846 x4->params.i_timebase_num = avctx->time_base.num;
847 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
848 x4->params.i_fps_num = avctx->framerate.num;
849 x4->params.i_fps_den = avctx->framerate.den;
851 x4->params.i_fps_num = avctx->time_base.den;
852 x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
855 x4->params.analyse.b_psnr = avctx->flags & AV_CODEC_FLAG_PSNR;
857 x4->params.i_threads = avctx->thread_count;
858 if (avctx->thread_type)
859 x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
861 x4->params.b_interlaced = avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT;
863 x4->params.b_open_gop = !(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
865 x4->params.i_slice_count = avctx->slices;
867 x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
868 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
869 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
870 avctx->color_range == AVCOL_RANGE_JPEG;
872 if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
873 x4->params.vui.i_colmatrix = avctx->colorspace;
874 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
875 x4->params.vui.i_colorprim = avctx->color_primaries;
876 if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
877 x4->params.vui.i_transfer = avctx->color_trc;
879 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)
880 x4->params.b_repeat_headers = 0;
883 const char *p= x4->x264opts;
885 char param[4096]={0}, val[4096]={0};
886 if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
895 if (x4->x264_params) {
896 AVDictionary *dict = NULL;
897 AVDictionaryEntry *en = NULL;
899 if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
900 while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
901 if (x264_param_parse(&x4->params, en->key, en->value) < 0)
902 av_log(avctx, AV_LOG_WARNING,
903 "Error parsing option '%s = %s'.\n",
911 // update AVCodecContext with x264 parameters
912 avctx->has_b_frames = x4->params.i_bframe ?
913 x4->params.i_bframe_pyramid ? 2 : 1 : 0;
914 if (avctx->max_b_frames < 0)
915 avctx->max_b_frames = 0;
917 avctx->bit_rate = x4->params.rc.i_bitrate*1000LL;
919 x4->enc = x264_encoder_open(&x4->params);
921 return AVERROR_EXTERNAL;
923 if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
928 s = x264_encoder_headers(x4->enc, &nal, &nnal);
929 avctx->extradata = p = av_mallocz(s + AV_INPUT_BUFFER_PADDING_SIZE);
931 return AVERROR(ENOMEM);
933 for (i = 0; i < nnal; i++) {
934 /* Don't put the SEI in extradata. */
935 if (nal[i].i_type == NAL_SEI) {
936 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
937 x4->sei_size = nal[i].i_payload;
938 x4->sei = av_malloc(x4->sei_size);
940 return AVERROR(ENOMEM);
941 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
944 memcpy(p, nal[i].p_payload, nal[i].i_payload);
945 p += nal[i].i_payload;
947 avctx->extradata_size = p - avctx->extradata;
950 cpb_props = ff_add_cpb_side_data(avctx);
952 return AVERROR(ENOMEM);
953 cpb_props->buffer_size = x4->params.rc.i_vbv_buffer_size * 1000;
954 cpb_props->max_bitrate = x4->params.rc.i_vbv_max_bitrate * 1000LL;
955 cpb_props->avg_bitrate = x4->params.rc.i_bitrate * 1000LL;
957 // Overestimate the reordered opaque buffer size, in case a runtime
958 // reconfigure would increase the delay (which it shouldn't).
959 x4->nb_reordered_opaque = x264_encoder_maximum_delayed_frames(x4->enc) + 17;
960 x4->reordered_opaque = av_malloc_array(x4->nb_reordered_opaque,
961 sizeof(*x4->reordered_opaque));
962 if (!x4->reordered_opaque)
963 return AVERROR(ENOMEM);
968 static const enum AVPixelFormat pix_fmts_8bit[] = {
982 static const enum AVPixelFormat pix_fmts_9bit[] = {
987 static const enum AVPixelFormat pix_fmts_10bit[] = {
988 AV_PIX_FMT_YUV420P10,
989 AV_PIX_FMT_YUV422P10,
990 AV_PIX_FMT_YUV444P10,
994 static const enum AVPixelFormat pix_fmts_all[] = {
1000 AV_PIX_FMT_YUVJ444P,
1003 #ifdef X264_CSP_NV21
1006 AV_PIX_FMT_YUV420P10,
1007 AV_PIX_FMT_YUV422P10,
1008 AV_PIX_FMT_YUV444P10,
1010 #ifdef X264_CSP_I400
1016 #if CONFIG_LIBX264RGB_ENCODER
1017 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
1025 static av_cold void X264_init_static(AVCodec *codec)
1027 #if X264_BUILD < 153
1028 if (x264_bit_depth == 8)
1029 codec->pix_fmts = pix_fmts_8bit;
1030 else if (x264_bit_depth == 9)
1031 codec->pix_fmts = pix_fmts_9bit;
1032 else if (x264_bit_depth == 10)
1033 codec->pix_fmts = pix_fmts_10bit;
1035 codec->pix_fmts = pix_fmts_all;
1039 #define OFFSET(x) offsetof(X264Context, x)
1040 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1041 static const AVOption options[] = {
1042 { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
1043 { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1044 { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1045 { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
1046 {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1047 {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1048 {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1049 {"a53cc", "Use A53 Closed Captions (if available)", OFFSET(a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
1050 {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
1051 { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
1052 { "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 },
1053 { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
1054 { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
1055 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1056 { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1057 { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
1058 #if X264_BUILD >= 144
1059 { "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" },
1061 { "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},
1062 { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1063 { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
1064 { "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 },
1065 { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1066 { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
1067 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
1068 { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
1069 { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
1070 { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1071 { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1072 { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
1073 { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
1074 { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
1075 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1076 { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1077 { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
1078 { "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 },
1079 { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1080 { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1081 { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1082 { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE},
1083 { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1084 { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
1085 { "partitions", "A comma-separated list of partitions to consider. "
1086 "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
1087 { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
1088 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
1089 { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
1090 { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
1091 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
1092 { "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 },
1093 { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
1094 { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
1095 "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
1096 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1097 { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1098 { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
1099 { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
1100 { "me_method", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1101 { "motion-est", "Set motion estimation method", OFFSET(motion_est), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, X264_ME_TESA, VE, "motion-est"},
1102 { "dia", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_DIA }, INT_MIN, INT_MAX, VE, "motion-est" },
1103 { "hex", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_HEX }, INT_MIN, INT_MAX, VE, "motion-est" },
1104 { "umh", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_UMH }, INT_MIN, INT_MAX, VE, "motion-est" },
1105 { "esa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_ESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1106 { "tesa", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_ME_TESA }, INT_MIN, INT_MAX, VE, "motion-est" },
1107 { "forced-idr", "If forcing keyframes, force them as IDR frames.", OFFSET(forced_idr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, -1, 1, VE },
1108 { "coder", "Coder type", OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "coder" },
1109 { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, INT_MIN, INT_MAX, VE, "coder" },
1110 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1111 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1112 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "coder" },
1113 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
1114 { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
1115 { "chromaoffset", "QP difference between chroma and luma", OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1116 { "sc_threshold", "Scene change threshold", OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1117 { "noise_reduction", "Noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = -1 }, INT_MIN, INT_MAX, VE },
1119 { "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 },
1123 static const AVCodecDefault x264_defaults[] = {
1128 { "i_qfactor", "-1" },
1129 { "b_qfactor", "-1" },
1135 // { "rc_lookahead", "-1" },
1137 #if FF_API_PRIVATE_OPT
1138 { "sc_threshold", "-1" },
1140 { "trellis", "-1" },
1141 #if FF_API_PRIVATE_OPT
1144 { "me_range", "-1" },
1146 #if FF_API_PRIVATE_OPT
1147 { "b_strategy", "-1" },
1149 { "keyint_min", "-1" },
1150 #if FF_API_CODER_TYPE
1154 { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
1155 { "thread_type", "0" },
1156 { "flags", "+cgop" },
1157 { "rc_init_occupancy","-1" },
1161 #if CONFIG_LIBX264_ENCODER
1162 static const AVClass x264_class = {
1163 .class_name = "libx264",
1164 .item_name = av_default_item_name,
1166 .version = LIBAVUTIL_VERSION_INT,
1169 AVCodec ff_libx264_encoder = {
1171 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
1172 .type = AVMEDIA_TYPE_VIDEO,
1173 .id = AV_CODEC_ID_H264,
1174 .priv_data_size = sizeof(X264Context),
1176 .encode2 = X264_frame,
1177 .close = X264_close,
1178 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1179 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1180 .priv_class = &x264_class,
1181 .defaults = x264_defaults,
1182 .init_static_data = X264_init_static,
1183 #if X264_BUILD >= 158
1184 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE,
1186 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1188 .wrapper_name = "libx264",
1192 #if CONFIG_LIBX264RGB_ENCODER
1193 static const AVClass rgbclass = {
1194 .class_name = "libx264rgb",
1195 .item_name = av_default_item_name,
1197 .version = LIBAVUTIL_VERSION_INT,
1200 AVCodec ff_libx264rgb_encoder = {
1201 .name = "libx264rgb",
1202 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
1203 .type = AVMEDIA_TYPE_VIDEO,
1204 .id = AV_CODEC_ID_H264,
1205 .priv_data_size = sizeof(X264Context),
1207 .encode2 = X264_frame,
1208 .close = X264_close,
1209 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1210 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1211 .priv_class = &rgbclass,
1212 .defaults = x264_defaults,
1213 .pix_fmts = pix_fmts_8bit_rgb,
1214 #if X264_BUILD >= 158
1215 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE,
1217 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1219 .wrapper_name = "libx264",
1223 #if CONFIG_LIBX262_ENCODER
1224 static const AVClass X262_class = {
1225 .class_name = "libx262",
1226 .item_name = av_default_item_name,
1228 .version = LIBAVUTIL_VERSION_INT,
1231 AVCodec ff_libx262_encoder = {
1233 .long_name = NULL_IF_CONFIG_SMALL("libx262 MPEG2VIDEO"),
1234 .type = AVMEDIA_TYPE_VIDEO,
1235 .id = AV_CODEC_ID_MPEG2VIDEO,
1236 .priv_data_size = sizeof(X264Context),
1238 .encode2 = X264_frame,
1239 .close = X264_close,
1240 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AUTO_THREADS |
1241 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1242 .priv_class = &X262_class,
1243 .defaults = x264_defaults,
1244 .pix_fmts = pix_fmts_8bit,
1245 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1246 .wrapper_name = "libx264",