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"
32 #define X264_API_IMPORTS 1
42 typedef struct X264Context {
87 static void X264_log(void *p, int level, const char *fmt, va_list args)
89 static const int level_map[] = {
90 [X264_LOG_ERROR] = AV_LOG_ERROR,
91 [X264_LOG_WARNING] = AV_LOG_WARNING,
92 [X264_LOG_INFO] = AV_LOG_INFO,
93 [X264_LOG_DEBUG] = AV_LOG_DEBUG
96 if (level < 0 || level > X264_LOG_DEBUG)
99 av_vlog(p, level_map[level], fmt, args);
103 static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
104 const x264_nal_t *nals, int nnal)
106 X264Context *x4 = ctx->priv_data;
108 int i, size = x4->sei_size, ret;
113 for (i = 0; i < nnal; i++)
114 size += nals[i].i_payload;
116 if ((ret = ff_alloc_packet2(ctx, pkt, size)) < 0)
121 /* Write the SEI as part of the first frame. */
122 if (x4->sei_size > 0 && nnal > 0) {
123 if (x4->sei_size > size) {
124 av_log(ctx, AV_LOG_ERROR, "Error: nal buffer is too small\n");
127 memcpy(p, x4->sei, x4->sei_size);
133 for (i = 0; i < nnal; i++){
134 memcpy(p, nals[i].p_payload, nals[i].i_payload);
135 p += nals[i].i_payload;
141 static int avfmt2_num_planes(int avfmt)
144 case AV_PIX_FMT_YUV420P:
145 case AV_PIX_FMT_YUVJ420P:
146 case AV_PIX_FMT_YUV420P9:
147 case AV_PIX_FMT_YUV420P10:
148 case AV_PIX_FMT_YUV444P:
151 case AV_PIX_FMT_BGR0:
152 case AV_PIX_FMT_BGR24:
153 case AV_PIX_FMT_RGB24:
161 static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
164 X264Context *x4 = ctx->priv_data;
167 x264_picture_t pic_out = {0};
168 AVFrameSideData *side_data;
170 x264_picture_init( &x4->pic );
171 x4->pic.img.i_csp = x4->params.i_csp;
172 if (x264_bit_depth > 8)
173 x4->pic.img.i_csp |= X264_CSP_HIGH_DEPTH;
174 x4->pic.img.i_plane = avfmt2_num_planes(ctx->pix_fmt);
177 for (i = 0; i < x4->pic.img.i_plane; i++) {
178 x4->pic.img.plane[i] = frame->data[i];
179 x4->pic.img.i_stride[i] = frame->linesize[i];
182 x4->pic.i_pts = frame->pts;
184 frame->pict_type == AV_PICTURE_TYPE_I ? X264_TYPE_KEYFRAME :
185 frame->pict_type == AV_PICTURE_TYPE_P ? X264_TYPE_P :
186 frame->pict_type == AV_PICTURE_TYPE_B ? X264_TYPE_B :
189 if (x4->avcintra_class < 0) {
190 if (x4->params.b_interlaced && x4->params.b_tff != frame->top_field_first) {
191 x4->params.b_tff = frame->top_field_first;
192 x264_encoder_reconfig(x4->enc, &x4->params);
194 if (x4->params.vui.i_sar_height != ctx->sample_aspect_ratio.den ||
195 x4->params.vui.i_sar_width != ctx->sample_aspect_ratio.num) {
196 x4->params.vui.i_sar_height = ctx->sample_aspect_ratio.den;
197 x4->params.vui.i_sar_width = ctx->sample_aspect_ratio.num;
198 x264_encoder_reconfig(x4->enc, &x4->params);
201 if (x4->params.rc.i_vbv_buffer_size != ctx->rc_buffer_size / 1000 ||
202 x4->params.rc.i_vbv_max_bitrate != ctx->rc_max_rate / 1000) {
203 x4->params.rc.i_vbv_buffer_size = ctx->rc_buffer_size / 1000;
204 x4->params.rc.i_vbv_max_bitrate = ctx->rc_max_rate / 1000;
205 x264_encoder_reconfig(x4->enc, &x4->params);
208 if (x4->params.rc.i_rc_method == X264_RC_ABR &&
209 x4->params.rc.i_bitrate != ctx->bit_rate / 1000) {
210 x4->params.rc.i_bitrate = ctx->bit_rate / 1000;
211 x264_encoder_reconfig(x4->enc, &x4->params);
215 x4->params.rc.i_rc_method == X264_RC_CRF &&
216 x4->params.rc.f_rf_constant != x4->crf) {
217 x4->params.rc.f_rf_constant = x4->crf;
218 x264_encoder_reconfig(x4->enc, &x4->params);
221 if (x4->params.rc.i_rc_method == X264_RC_CQP &&
223 x4->params.rc.i_qp_constant != x4->cqp) {
224 x4->params.rc.i_qp_constant = x4->cqp;
225 x264_encoder_reconfig(x4->enc, &x4->params);
228 if (x4->crf_max >= 0 &&
229 x4->params.rc.f_rf_constant_max != x4->crf_max) {
230 x4->params.rc.f_rf_constant_max = x4->crf_max;
231 x264_encoder_reconfig(x4->enc, &x4->params);
235 side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_STEREO3D);
237 AVStereo3D *stereo = (AVStereo3D *)side_data->data;
240 switch (stereo->type) {
241 case AV_STEREO3D_CHECKERBOARD:
244 case AV_STEREO3D_COLUMNS:
247 case AV_STEREO3D_LINES:
250 case AV_STEREO3D_SIDEBYSIDE:
253 case AV_STEREO3D_TOPBOTTOM:
256 case AV_STEREO3D_FRAMESEQUENCE:
264 if (fpa_type != x4->params.i_frame_packing) {
265 x4->params.i_frame_packing = fpa_type;
266 x264_encoder_reconfig(x4->enc, &x4->params);
271 if (x264_encoder_encode(x4->enc, &nal, &nnal, frame? &x4->pic: NULL, &pic_out) < 0)
272 return AVERROR_EXTERNAL;
274 ret = encode_nals(ctx, pkt, nal, nnal);
277 } while (!ret && !frame && x264_encoder_delayed_frames(x4->enc));
279 pkt->pts = pic_out.i_pts;
280 pkt->dts = pic_out.i_dts;
282 switch (pic_out.i_type) {
285 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
288 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_P;
292 ctx->coded_frame->pict_type = AV_PICTURE_TYPE_B;
296 pkt->flags |= AV_PKT_FLAG_KEY*pic_out.b_keyframe;
298 ctx->coded_frame->quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
304 static av_cold int X264_close(AVCodecContext *avctx)
306 X264Context *x4 = avctx->priv_data;
308 av_freep(&avctx->extradata);
312 x264_encoder_close(x4->enc);
316 av_frame_free(&avctx->coded_frame);
321 #define OPT_STR(opt, param) \
324 if (param && (ret = x264_param_parse(&x4->params, opt, param)) < 0) { \
325 if(ret == X264_PARAM_BAD_NAME) \
326 av_log(avctx, AV_LOG_ERROR, \
327 "bad option '%s': '%s'\n", opt, param); \
329 av_log(avctx, AV_LOG_ERROR, \
330 "bad value for '%s': '%s'\n", opt, param); \
335 static int convert_pix_fmt(enum AVPixelFormat pix_fmt)
338 case AV_PIX_FMT_YUV420P:
339 case AV_PIX_FMT_YUVJ420P:
340 case AV_PIX_FMT_YUV420P9:
341 case AV_PIX_FMT_YUV420P10: return X264_CSP_I420;
342 case AV_PIX_FMT_YUV422P:
343 case AV_PIX_FMT_YUVJ422P:
344 case AV_PIX_FMT_YUV422P10: return X264_CSP_I422;
345 case AV_PIX_FMT_YUV444P:
346 case AV_PIX_FMT_YUVJ444P:
347 case AV_PIX_FMT_YUV444P9:
348 case AV_PIX_FMT_YUV444P10: return X264_CSP_I444;
350 case AV_PIX_FMT_BGR0:
351 return X264_CSP_BGRA;
352 case AV_PIX_FMT_BGR24:
355 case AV_PIX_FMT_RGB24:
358 case AV_PIX_FMT_NV12: return X264_CSP_NV12;
359 case AV_PIX_FMT_NV16:
360 case AV_PIX_FMT_NV20: return X264_CSP_NV16;
365 #define PARSE_X264_OPT(name, var)\
366 if (x4->var && x264_param_parse(&x4->params, name, x4->var) < 0) {\
367 av_log(avctx, AV_LOG_ERROR, "Error parsing option '%s' with value '%s'.\n", name, x4->var);\
368 return AVERROR(EINVAL);\
371 static av_cold int X264_init(AVCodecContext *avctx)
373 X264Context *x4 = avctx->priv_data;
376 if (avctx->global_quality > 0)
377 av_log(avctx, AV_LOG_WARNING, "-qscale is ignored, -crf is recommended.\n");
379 x264_param_default(&x4->params);
381 x4->params.b_deblocking_filter = avctx->flags & CODEC_FLAG_LOOP_FILTER;
383 if (x4->preset || x4->tune)
384 if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
386 av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
387 av_log(avctx, AV_LOG_INFO, "Possible presets:");
388 for (i = 0; x264_preset_names[i]; i++)
389 av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
390 av_log(avctx, AV_LOG_INFO, "\n");
391 av_log(avctx, AV_LOG_INFO, "Possible tunes:");
392 for (i = 0; x264_tune_names[i]; i++)
393 av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
394 av_log(avctx, AV_LOG_INFO, "\n");
395 return AVERROR(EINVAL);
398 if (avctx->level > 0)
399 x4->params.i_level_idc = avctx->level;
401 x4->params.pf_log = X264_log;
402 x4->params.p_log_private = avctx;
403 x4->params.i_log_level = X264_LOG_DEBUG;
404 x4->params.i_csp = convert_pix_fmt(avctx->pix_fmt);
406 OPT_STR("weightp", x4->wpredp);
408 if (avctx->bit_rate) {
409 x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
410 x4->params.rc.i_rc_method = X264_RC_ABR;
412 x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
413 x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
414 x4->params.rc.b_stat_write = avctx->flags & CODEC_FLAG_PASS1;
415 if (avctx->flags & CODEC_FLAG_PASS2) {
416 x4->params.rc.b_stat_read = 1;
419 x4->params.rc.i_rc_method = X264_RC_CRF;
420 x4->params.rc.f_rf_constant = x4->crf;
421 } else if (x4->cqp >= 0) {
422 x4->params.rc.i_rc_method = X264_RC_CQP;
423 x4->params.rc.i_qp_constant = x4->cqp;
426 if (x4->crf_max >= 0)
427 x4->params.rc.f_rf_constant_max = x4->crf_max;
430 if (avctx->rc_buffer_size && avctx->rc_initial_buffer_occupancy > 0 &&
431 (avctx->rc_initial_buffer_occupancy <= avctx->rc_buffer_size)) {
432 x4->params.rc.f_vbv_buffer_init =
433 (float)avctx->rc_initial_buffer_occupancy / avctx->rc_buffer_size;
436 OPT_STR("level", x4->level);
438 if (avctx->i_quant_factor > 0)
439 x4->params.rc.f_ip_factor = 1 / fabs(avctx->i_quant_factor);
440 if (avctx->b_quant_factor > 0)
441 x4->params.rc.f_pb_factor = avctx->b_quant_factor;
442 if (avctx->chromaoffset)
443 x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
445 if (avctx->me_method == ME_EPZS)
446 x4->params.analyse.i_me_method = X264_ME_DIA;
447 else if (avctx->me_method == ME_HEX)
448 x4->params.analyse.i_me_method = X264_ME_HEX;
449 else if (avctx->me_method == ME_UMH)
450 x4->params.analyse.i_me_method = X264_ME_UMH;
451 else if (avctx->me_method == ME_FULL)
452 x4->params.analyse.i_me_method = X264_ME_ESA;
453 else if (avctx->me_method == ME_TESA)
454 x4->params.analyse.i_me_method = X264_ME_TESA;
456 if (avctx->gop_size >= 0)
457 x4->params.i_keyint_max = avctx->gop_size;
458 if (avctx->max_b_frames >= 0)
459 x4->params.i_bframe = avctx->max_b_frames;
460 if (avctx->scenechange_threshold >= 0)
461 x4->params.i_scenecut_threshold = avctx->scenechange_threshold;
462 if (avctx->qmin >= 0)
463 x4->params.rc.i_qp_min = avctx->qmin;
464 if (avctx->qmax >= 0)
465 x4->params.rc.i_qp_max = avctx->qmax;
466 if (avctx->max_qdiff >= 0)
467 x4->params.rc.i_qp_step = avctx->max_qdiff;
468 if (avctx->qblur >= 0)
469 x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
470 if (avctx->qcompress >= 0)
471 x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
472 if (avctx->refs >= 0)
473 x4->params.i_frame_reference = avctx->refs;
474 else if (x4->level) {
476 int mbn = FF_CEIL_RSHIFT(avctx->width, 4) * FF_CEIL_RSHIFT(avctx->height, 4);
479 int scale = X264_BUILD < 129 ? 384 : 1;
481 if (!strcmp(x4->level, "1b")) {
483 } else if (strlen(x4->level) <= 3){
484 level_id = av_strtod(x4->level, &tail) * 10 + 0.5;
489 av_log(avctx, AV_LOG_WARNING, "Failed to parse level\n");
491 for (i = 0; i<x264_levels[i].level_idc; i++)
492 if (x264_levels[i].level_idc == level_id)
493 x4->params.i_frame_reference = av_clip(x264_levels[i].dpb / mbn / scale, 1, x4->params.i_frame_reference);
496 if (avctx->trellis >= 0)
497 x4->params.analyse.i_trellis = avctx->trellis;
498 if (avctx->me_range >= 0)
499 x4->params.analyse.i_me_range = avctx->me_range;
500 if (avctx->noise_reduction >= 0)
501 x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
502 if (avctx->me_subpel_quality >= 0)
503 x4->params.analyse.i_subpel_refine = avctx->me_subpel_quality;
504 if (avctx->b_frame_strategy >= 0)
505 x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
506 if (avctx->keyint_min >= 0)
507 x4->params.i_keyint_min = avctx->keyint_min;
508 if (avctx->coder_type >= 0)
509 x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
510 if (avctx->me_cmp >= 0)
511 x4->params.analyse.b_chroma_me = avctx->me_cmp & FF_CMP_CHROMA;
513 if (x4->aq_mode >= 0)
514 x4->params.rc.i_aq_mode = x4->aq_mode;
515 if (x4->aq_strength >= 0)
516 x4->params.rc.f_aq_strength = x4->aq_strength;
517 PARSE_X264_OPT("psy-rd", psy_rd);
518 PARSE_X264_OPT("deblock", deblock);
519 PARSE_X264_OPT("partitions", partitions);
520 PARSE_X264_OPT("stats", stats);
522 x4->params.analyse.b_psy = x4->psy;
523 if (x4->rc_lookahead >= 0)
524 x4->params.rc.i_lookahead = x4->rc_lookahead;
525 if (x4->weightp >= 0)
526 x4->params.analyse.i_weighted_pred = x4->weightp;
527 if (x4->weightb >= 0)
528 x4->params.analyse.b_weighted_bipred = x4->weightb;
529 if (x4->cplxblur >= 0)
530 x4->params.rc.f_complexity_blur = x4->cplxblur;
533 x4->params.analyse.b_ssim = x4->ssim;
534 if (x4->intra_refresh >= 0)
535 x4->params.b_intra_refresh = x4->intra_refresh;
536 if (x4->bluray_compat >= 0) {
537 x4->params.b_bluray_compat = x4->bluray_compat;
538 x4->params.b_vfr_input = 0;
540 if (x4->avcintra_class >= 0)
541 #if X264_BUILD >= 142
542 x4->params.i_avcintra_class = x4->avcintra_class;
544 av_log(avctx, AV_LOG_ERROR,
545 "x264 too old for AVC Intra, at least version 142 needed\n");
547 if (x4->b_bias != INT_MIN)
548 x4->params.i_bframe_bias = x4->b_bias;
549 if (x4->b_pyramid >= 0)
550 x4->params.i_bframe_pyramid = x4->b_pyramid;
551 if (x4->mixed_refs >= 0)
552 x4->params.analyse.b_mixed_references = x4->mixed_refs;
554 x4->params.analyse.b_transform_8x8 = x4->dct8x8;
555 if (x4->fast_pskip >= 0)
556 x4->params.analyse.b_fast_pskip = x4->fast_pskip;
558 x4->params.b_aud = x4->aud;
560 x4->params.rc.b_mb_tree = x4->mbtree;
561 if (x4->direct_pred >= 0)
562 x4->params.analyse.i_direct_mv_pred = x4->direct_pred;
564 if (x4->slice_max_size >= 0)
565 x4->params.i_slice_max_size = x4->slice_max_size;
568 * Allow x264 to be instructed through AVCodecContext about the maximum
569 * size of the RTP payload. For example, this enables the production of
570 * payload suitable for the H.264 RTP packetization-mode 0 i.e. single
571 * NAL unit per RTP packet.
573 if (avctx->rtp_payload_size)
574 x4->params.i_slice_max_size = avctx->rtp_payload_size;
577 if (x4->fastfirstpass)
578 x264_param_apply_fastfirstpass(&x4->params);
580 /* Allow specifying the x264 profile through AVCodecContext. */
582 switch (avctx->profile) {
583 case FF_PROFILE_H264_BASELINE:
584 x4->profile = av_strdup("baseline");
586 case FF_PROFILE_H264_HIGH:
587 x4->profile = av_strdup("high");
589 case FF_PROFILE_H264_HIGH_10:
590 x4->profile = av_strdup("high10");
592 case FF_PROFILE_H264_HIGH_422:
593 x4->profile = av_strdup("high422");
595 case FF_PROFILE_H264_HIGH_444:
596 x4->profile = av_strdup("high444");
598 case FF_PROFILE_H264_MAIN:
599 x4->profile = av_strdup("main");
605 if (x4->nal_hrd >= 0)
606 x4->params.i_nal_hrd = x4->nal_hrd;
609 if (x264_param_apply_profile(&x4->params, x4->profile) < 0) {
611 av_log(avctx, AV_LOG_ERROR, "Error setting profile %s.\n", x4->profile);
612 av_log(avctx, AV_LOG_INFO, "Possible profiles:");
613 for (i = 0; x264_profile_names[i]; i++)
614 av_log(avctx, AV_LOG_INFO, " %s", x264_profile_names[i]);
615 av_log(avctx, AV_LOG_INFO, "\n");
616 return AVERROR(EINVAL);
619 x4->params.i_width = avctx->width;
620 x4->params.i_height = avctx->height;
621 av_reduce(&sw, &sh, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 4096);
622 x4->params.vui.i_sar_width = sw;
623 x4->params.vui.i_sar_height = sh;
624 x4->params.i_timebase_den = avctx->time_base.den;
625 x4->params.i_timebase_num = avctx->time_base.num;
626 x4->params.i_fps_num = avctx->time_base.den;
627 x4->params.i_fps_den = avctx->time_base.num * avctx->ticks_per_frame;
629 x4->params.analyse.b_psnr = avctx->flags & CODEC_FLAG_PSNR;
631 x4->params.i_threads = avctx->thread_count;
632 if (avctx->thread_type)
633 x4->params.b_sliced_threads = avctx->thread_type == FF_THREAD_SLICE;
635 x4->params.b_interlaced = avctx->flags & CODEC_FLAG_INTERLACED_DCT;
637 x4->params.b_open_gop = !(avctx->flags & CODEC_FLAG_CLOSED_GOP);
639 x4->params.i_slice_count = avctx->slices;
641 x4->params.vui.b_fullrange = avctx->pix_fmt == AV_PIX_FMT_YUVJ420P ||
642 avctx->pix_fmt == AV_PIX_FMT_YUVJ422P ||
643 avctx->pix_fmt == AV_PIX_FMT_YUVJ444P ||
644 avctx->color_range == AVCOL_RANGE_JPEG;
646 if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
647 x4->params.vui.i_colmatrix = avctx->colorspace;
648 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
649 x4->params.vui.i_colorprim = avctx->color_primaries;
650 if (avctx->color_trc != AVCOL_TRC_UNSPECIFIED)
651 x4->params.vui.i_transfer = avctx->color_trc;
653 if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
654 x4->params.b_repeat_headers = 0;
657 const char *p= x4->x264opts;
659 char param[256]={0}, val[256]={0};
660 if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){
669 if (x4->x264_params) {
670 AVDictionary *dict = NULL;
671 AVDictionaryEntry *en = NULL;
673 if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
674 while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
675 if (x264_param_parse(&x4->params, en->key, en->value) < 0)
676 av_log(avctx, AV_LOG_WARNING,
677 "Error parsing option '%s = %s'.\n",
685 // update AVCodecContext with x264 parameters
686 avctx->has_b_frames = x4->params.i_bframe ?
687 x4->params.i_bframe_pyramid ? 2 : 1 : 0;
688 if (avctx->max_b_frames < 0)
689 avctx->max_b_frames = 0;
691 avctx->bit_rate = x4->params.rc.i_bitrate*1000;
693 x4->enc = x264_encoder_open(&x4->params);
695 return AVERROR_EXTERNAL;
697 avctx->coded_frame = av_frame_alloc();
698 if (!avctx->coded_frame)
699 return AVERROR(ENOMEM);
701 if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
706 s = x264_encoder_headers(x4->enc, &nal, &nnal);
707 avctx->extradata = p = av_malloc(s);
709 return AVERROR(ENOMEM);
711 for (i = 0; i < nnal; i++) {
712 /* Don't put the SEI in extradata. */
713 if (nal[i].i_type == NAL_SEI) {
714 av_log(avctx, AV_LOG_INFO, "%s\n", nal[i].p_payload+25);
715 x4->sei_size = nal[i].i_payload;
716 x4->sei = av_malloc(x4->sei_size);
718 return AVERROR(ENOMEM);
719 memcpy(x4->sei, nal[i].p_payload, nal[i].i_payload);
722 memcpy(p, nal[i].p_payload, nal[i].i_payload);
723 p += nal[i].i_payload;
725 avctx->extradata_size = p - avctx->extradata;
731 static const enum AVPixelFormat pix_fmts_8bit[] = {
742 static const enum AVPixelFormat pix_fmts_9bit[] = {
747 static const enum AVPixelFormat pix_fmts_10bit[] = {
748 AV_PIX_FMT_YUV420P10,
749 AV_PIX_FMT_YUV422P10,
750 AV_PIX_FMT_YUV444P10,
754 static const enum AVPixelFormat pix_fmts_8bit_rgb[] = {
763 static av_cold void X264_init_static(AVCodec *codec)
765 if (x264_bit_depth == 8)
766 codec->pix_fmts = pix_fmts_8bit;
767 else if (x264_bit_depth == 9)
768 codec->pix_fmts = pix_fmts_9bit;
769 else if (x264_bit_depth == 10)
770 codec->pix_fmts = pix_fmts_10bit;
773 #define OFFSET(x) offsetof(X264Context, x)
774 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
775 static const AVOption options[] = {
776 { "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
777 { "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
778 { "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
779 { "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE},
780 {"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
781 {"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
782 {"wpredp", "Weighted prediction for P-frames", OFFSET(wpredp), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
783 {"x264opts", "x264 options", OFFSET(x264opts), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
784 { "crf", "Select the quality for constant quality mode", OFFSET(crf), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE },
785 { "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 },
786 { "qp", "Constant quantization parameter rate control method",OFFSET(cqp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE },
787 { "aq-mode", "AQ method", OFFSET(aq_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "aq_mode"},
788 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_NONE}, INT_MIN, INT_MAX, VE, "aq_mode" },
789 { "variance", "Variance AQ (complexity mask)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_VARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
790 { "autovariance", "Auto-variance AQ", 0, AV_OPT_TYPE_CONST, {.i64 = X264_AQ_AUTOVARIANCE}, INT_MIN, INT_MAX, VE, "aq_mode" },
791 #if X264_BUILD >= 144
792 { "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" },
794 { "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},
795 { "psy", "Use psychovisual optimizations.", OFFSET(psy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
796 { "psy-rd", "Strength of psychovisual optimization, in <psy-rd>:<psy-trellis> format.", OFFSET(psy_rd), AV_OPT_TYPE_STRING, {0 }, 0, 0, VE},
797 { "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 },
798 { "weightb", "Weighted prediction for B-frames.", OFFSET(weightb), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
799 { "weightp", "Weighted prediction analysis method.", OFFSET(weightp), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "weightp" },
800 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_NONE}, INT_MIN, INT_MAX, VE, "weightp" },
801 { "simple", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SIMPLE}, INT_MIN, INT_MAX, VE, "weightp" },
802 { "smart", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
803 { "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
804 { "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
805 { "bluray-compat", "Bluray compatibility workarounds.", OFFSET(bluray_compat) ,AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
806 { "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), AV_OPT_TYPE_INT, { .i64 = INT_MIN}, INT_MIN, INT_MAX, VE },
807 { "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "b_pyramid" },
808 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
809 { "strict", "Strictly hierarchical pyramid", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },
810 { "normal", "Non-strict (not Blu-ray compatible)", 0, AV_OPT_TYPE_CONST, {.i64 = X264_B_PYRAMID_NORMAL}, INT_MIN, INT_MAX, VE, "b_pyramid" },
811 { "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 },
812 { "8x8dct", "High profile 8x8 transform.", OFFSET(dct8x8), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
813 { "fast-pskip", NULL, OFFSET(fast_pskip), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
814 { "aud", "Use access unit delimiters.", OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
815 { "mbtree", "Use macroblock tree ratecontrol.", OFFSET(mbtree), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE},
816 { "deblock", "Loop filter parameters, in <alpha:beta> form.", OFFSET(deblock), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
817 { "cplxblur", "Reduce fluctuations in QP (before curve compression)", OFFSET(cplxblur), AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX, VE},
818 { "partitions", "A comma-separated list of partitions to consider. "
819 "Possible values: p8x8, p4x4, b8x8, i8x8, i4x4, none, all", OFFSET(partitions), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
820 { "direct-pred", "Direct MV prediction mode", OFFSET(direct_pred), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "direct-pred" },
821 { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_NONE }, 0, 0, VE, "direct-pred" },
822 { "spatial", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_SPATIAL }, 0, 0, VE, "direct-pred" },
823 { "temporal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_TEMPORAL }, 0, 0, VE, "direct-pred" },
824 { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = X264_DIRECT_PRED_AUTO }, 0, 0, VE, "direct-pred" },
825 { "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 },
826 { "stats", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
827 { "nal-hrd", "Signal HRD information (requires vbv-bufsize; "
828 "cbr not allowed in .mp4)", OFFSET(nal_hrd), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, VE, "nal-hrd" },
829 { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
830 { "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
831 { "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
832 { "avcintra-class","AVC-Intra class 50/100/200", OFFSET(avcintra_class),AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 200 , VE},
833 { "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 },
837 static const AVClass x264_class = {
838 .class_name = "libx264",
839 .item_name = av_default_item_name,
841 .version = LIBAVUTIL_VERSION_INT,
844 static const AVClass rgbclass = {
845 .class_name = "libx264rgb",
846 .item_name = av_default_item_name,
848 .version = LIBAVUTIL_VERSION_INT,
851 static const AVCodecDefault x264_defaults[] = {
856 { "i_qfactor", "-1" },
857 { "b_qfactor", "-1" },
863 // { "rc_lookahead", "-1" },
865 { "sc_threshold", "-1" },
868 { "me_range", "-1" },
869 { "me_method", "-1" },
871 { "b_strategy", "-1" },
872 { "keyint_min", "-1" },
875 { "threads", AV_STRINGIFY(X264_THREADS_AUTO) },
876 { "thread_type", "0" },
877 { "flags", "+cgop" },
878 { "rc_init_occupancy","-1" },
882 AVCodec ff_libx264_encoder = {
884 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
885 .type = AVMEDIA_TYPE_VIDEO,
886 .id = AV_CODEC_ID_H264,
887 .priv_data_size = sizeof(X264Context),
889 .encode2 = X264_frame,
891 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
892 .priv_class = &x264_class,
893 .defaults = x264_defaults,
894 .init_static_data = X264_init_static,
895 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
896 FF_CODEC_CAP_INIT_CLEANUP,
899 AVCodec ff_libx264rgb_encoder = {
900 .name = "libx264rgb",
901 .long_name = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB"),
902 .type = AVMEDIA_TYPE_VIDEO,
903 .id = AV_CODEC_ID_H264,
904 .priv_data_size = sizeof(X264Context),
906 .encode2 = X264_frame,
908 .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
909 .priv_class = &rgbclass,
910 .defaults = x264_defaults,
911 .pix_fmts = pix_fmts_8bit_rgb,