Function of_write_trailer

fftools/ffmpeg_mux.c:757–793

}

int of_write_trailer(OutputFile *of)
{
    Muxer *mux = mux_from_of(of);
    AVFormatContext *fc = mux->fc;
    int ret, mux_result = 0;

    if (!mux->header_written) {
        av_log(mux, AV_LOG_ERROR,
               "Nothing was written into output file, because "
               "at least one of its streams received no packets.\n");
        return AVERROR(EINVAL);
    }

    ret = av_write_trailer(fc);
    if (ret < 0) {
        av_log(mux, AV_LOG_ERROR, "Error writing trailer: %s\n", av_err2str(ret));
        mux_result = err_merge(mux_result, ret);
    }

    mux->last_filesize = filesize(fc->pb);

    if (!(fc->oformat->flags & AVFMT_NOFILE)) {
        ret = avio_closep(&fc->pb);
        if (ret < 0) {
            av_log(mux, AV_LOG_ERROR, "Error closing file: %s\n", av_err2str(ret));
            mux_result = err_merge(mux_result, ret);
        }
    }

    mux_final_stats(mux);

    // check whether anything was actually written
    ret = check_written(of);
    mux_result = err_merge(mux_result, ret);

    return mux_result;
}

static void enc_stats_uninit(EncStats *es)
{