static void write_packet(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) { AVStream *st = ost->st; int ret; /* * 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 (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed)) { if (ost->frame_number >= ost->max_frames) { av_packet_unref(pkt); return; } ost->frame_number++; } if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR, NULL); ost->quality = sd ? *(int *)sd : -1; if (ost->frame_rate.num) { pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate), ost->st->time_base); } } if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) && ost->last_mux_dts != AV_NOPTS_VALUE && pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) { av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream " "%d:%d; previous: %"PRId64", current: %"PRId64"; ", ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts); if (exit_on_error) { av_log(NULL, AV_LOG_FATAL, "aborting.\n"); exit_program(1); } av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result " "in incorrect timestamps in the output file.\n", ost->last_mux_dts + 1); pkt->dts = ost->last_mux_dts + 1; if (pkt->pts != AV_NOPTS_VALUE) pkt->pts = FFMAX(pkt->pts, pkt->dts); } ost->last_mux_dts = pkt->dts; ost->data_size += pkt->size; ost->packets_written++; 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); } }