Function chunk_start

libavformat/webm_chunk.c:161–172

}

static int chunk_start(AVFormatContext *s)
{
    WebMChunkContext *wc = s->priv_data;
    AVFormatContext *oc = wc->avf;
    int ret;

    ret = avio_open_dyn_buf(&oc->pb);
    if (ret < 0)
        return ret;
    wc->chunk_index++;
    return 0;
}

static int chunk_end(AVFormatContext *s, int flush)
{