static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) { AVBitStreamFilterContext *bsfc = ost->bitstream_filters; AVCodecContext *avctx = ost->st->codec; int ret; if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) || (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0)) pkt->pts = pkt->dts = AV_NOPTS_VALUE; if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) { int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT); if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) { av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max); pkt->pts = pkt->dts = max; /* * Audio encoders may split the packets -- #frames in != #packets out. * But there is no reordering, so we can limit the number of output packets * by simply dropping them here. * Counting encoded video frames needs to be done separately because of * reordering, see do_video_out() */ if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { if (ost->frame_number >= ost->max_frames) { av_free_packet(pkt); return; ost->frame_number++; while (bsfc) { AVPacket new_pkt = *pkt; int a = av_bitstream_filter_filter(bsfc, avctx, NULL, &new_pkt.data, &new_pkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY); if (a > 0) { av_free_packet(pkt); new_pkt.destruct = av_destruct_packet; } else if (a < 0) { av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s", bsfc->filter->name, pkt->stream_index, avctx->codec ? avctx->codec->name : "copy"); print_error("", a); if (exit_on_error) exit_program(1); *pkt = new_pkt; bsfc = bsfc->next; pkt->stream_index = ost->index; ret = av_interleaved_write_frame(s, pkt); if (ret < 0) { print_error("av_interleaved_write_frame()", ret); exit_program(1);