Function avformat_stream_group_add_stream

libavformat/options.c:518–531

}

int avformat_stream_group_add_stream(AVStreamGroup *stg, AVStream *st)
{
    const FFStreamGroup *stgi = cffstreamgroup(stg);
    const FFStream *sti = cffstream(st);

    if (stgi->fmtctx != sti->fmtctx)
        return AVERROR(EINVAL);

    for (int i = 0; i < stg->nb_streams; i++)
        if (stg->streams[i]->index == st->index)
            return AVERROR(EEXIST);

    return stream_group_add_stream(stg, st);
}

static int option_is_disposition(const AVOption *opt)
{