diff options
Diffstat (limited to 'ffmpeg.c')
-rw-r--r-- | ffmpeg.c | 161 |
1 files changed, 82 insertions, 79 deletions
@@ -1959,6 +1959,7 @@ static void do_video_out(AVFormatContext *s, OutputStream *ost, AVFrame *in_picture, float quality) { int nb_frames, i, ret, format_video_sync; + AVPacket pkt; AVCodecContext *enc; double sync_ipts, delta; double duration = 0; @@ -2015,95 +2016,97 @@ static void do_video_out(AVFormatContext *s, OutputStream *ost, av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1); } - /* duplicates frame if needed */ - for (i = 0; i < nb_frames; i++) { - AVPacket pkt; - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - if (s->oformat->flags & AVFMT_RAWPICTURE && - enc->codec->id == CODEC_ID_RAWVIDEO) { - /* raw pictures are written as AVPicture structure to - avoid any copies. We support temporarily the older - method. */ - enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; - enc->coded_frame->top_field_first = in_picture->top_field_first; - pkt.data = (uint8_t *)in_picture; - pkt.size = sizeof(AVPicture); - pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base); - pkt.flags |= AV_PKT_FLAG_KEY; - write_frame(s, &pkt, ost); - } else { - int got_packet; - AVFrame big_picture; - - big_picture = *in_picture; - /* better than nothing: use input picture interlaced - settings */ - big_picture.interlaced_frame = in_picture->interlaced_frame; - if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) { - if (ost->top_field_first == -1) - big_picture.top_field_first = in_picture->top_field_first; - else - big_picture.top_field_first = !!ost->top_field_first; - } +duplicate_frame: + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; - /* handles same_quant here. This is not correct because it may - not be a global option */ - big_picture.quality = quality; - if (!enc->me_threshold) - big_picture.pict_type = 0; - big_picture.pts = ost->sync_opts; - if (ost->forced_kf_index < ost->forced_kf_count && - big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) { - big_picture.pict_type = AV_PICTURE_TYPE_I; - ost->forced_kf_index++; - } - update_benchmark(NULL); - ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet); - update_benchmark("encode_video %d.%d", ost->file_index, ost->index); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); - exit_program(1); - } + if (s->oformat->flags & AVFMT_RAWPICTURE && + enc->codec->id == CODEC_ID_RAWVIDEO) { + /* raw pictures are written as AVPicture structure to + avoid any copies. We support temporarily the older + method. */ + enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; + enc->coded_frame->top_field_first = in_picture->top_field_first; + pkt.data = (uint8_t *)in_picture; + pkt.size = sizeof(AVPicture); + pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base); + pkt.flags |= AV_PKT_FLAG_KEY; - if (got_packet) { - if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY)) - pkt.pts = ost->sync_opts; + write_frame(s, &pkt, ost); + } else { + int got_packet; + AVFrame big_picture; + + big_picture = *in_picture; + /* better than nothing: use input picture interlaced + settings */ + big_picture.interlaced_frame = in_picture->interlaced_frame; + if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) { + if (ost->top_field_first == -1) + big_picture.top_field_first = in_picture->top_field_first; + else + big_picture.top_field_first = !!ost->top_field_first; + } - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + /* handles same_quant here. This is not correct because it may + not be a global option */ + big_picture.quality = quality; + if (!enc->me_threshold) + big_picture.pict_type = 0; + big_picture.pts = ost->sync_opts; + if (ost->forced_kf_index < ost->forced_kf_count && + big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) { + big_picture.pict_type = AV_PICTURE_TYPE_I; + ost->forced_kf_index++; + } + update_benchmark(NULL); + ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet); + update_benchmark("encode_video %d.%d", ost->file_index, ost->index); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); + exit_program(1); + } - if (debug_ts) { - av_log(NULL, AV_LOG_INFO, "encoder -> type:video " - "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", - av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), - av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); - } + if (got_packet) { + if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY)) + pkt.pts = ost->sync_opts; - write_frame(s, &pkt, ost); - frame_size = pkt.size; - video_size += pkt.size; - av_free_packet(&pkt); + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); - /* if two pass, output log */ - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } + if (debug_ts) { + av_log(NULL, AV_LOG_INFO, "encoder -> type:video " + "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", + av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), + av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); + } + + write_frame(s, &pkt, ost); + frame_size = pkt.size; + video_size += pkt.size; + av_free_packet(&pkt); + + /* if two pass, output log */ + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); } } - ost->sync_opts++; - /* - * For video, number of frames in == number of packets out. - * But there may be reordering, so we can't throw away frames on encoder - * flush, we need to limit them here, before they go into encoder. - */ - ost->frame_number++; } + ost->sync_opts++; + /* + * For video, number of frames in == number of packets out. + * But there may be reordering, so we can't throw away frames on encoder + * flush, we need to limit them here, before they go into encoder. + */ + ost->frame_number++; + + if(--nb_frames) + goto duplicate_frame; + if (vstats_filename && frame_size) do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size); } |