Function check_stream_specifier

fftools/cmdutils.c:1338–1350

}

int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
{
    StreamSpecifier ss;
    int ret;

    ret = stream_specifier_parse(&ss, spec, 0, NULL);
    if (ret < 0)
        return ret;

    ret = stream_specifier_match(&ss, s, st, NULL);
    stream_specifier_uninit(&ss);
    return ret;
}

unsigned stream_group_specifier_match(const StreamSpecifier *ss,
                                      const AVFormatContext *s, const AVStreamGroup *stg,