Function avformat_init_output

libavformat/mux.c:446–465

}

int avformat_init_output(AVFormatContext *s, AVDictionary **options)
{
    FormatContextInternal *const fci = ff_fc_internal(s);
    int ret = 0;

    if ((ret = init_muxer(s, options)) < 0)
        return ret;

    fci->initialized = 1;
    fci->streams_initialized = ret;

    if (ffofmt(s->oformat)->init && ret) {
        if ((ret = init_pts(s)) < 0)
            return ret;

        return AVSTREAM_INIT_IN_INIT_OUTPUT;
    }

    return AVSTREAM_INIT_IN_WRITE_HEADER;
}

int avformat_write_header(AVFormatContext *s, AVDictionary **options)
{