Function ff_write_chained

libavformat/mux.c:1337–1365

}

int ff_write_chained(AVFormatContext *dst, int dst_stream, AVPacket *pkt,
                     AVFormatContext *src, int interleave)
{
    int64_t pts = pkt->pts, dts = pkt->dts, duration = pkt->duration;
    int stream_index = pkt->stream_index;
    AVRational time_base = pkt->time_base;
    int ret;

    pkt->stream_index = dst_stream;

    av_packet_rescale_ts(pkt,
                         src->streams[stream_index]->time_base,
                         dst->streams[dst_stream]->time_base);

    if (!interleave) {
        ret = av_write_frame(dst, pkt);
        /* We only have to backup and restore the fields that
         * we changed ourselves, because av_write_frame() does not
         * modify the packet given to it. */
        pkt->pts          = pts;
        pkt->dts          = dts;
        pkt->duration     = duration;
        pkt->stream_index = stream_index;
        pkt->time_base    = time_base;
    } else
        ret = av_interleaved_write_frame(dst, pkt);

    return ret;
}

static void uncoded_frame_free(void *unused, uint8_t *data)
{