[FFmpeg-devel] [PATCH] Move av_parse_frame_size() and av_parse_frame_rate() from libavcodec to libavcore

Stefano Sabatini stefano.sabatini-lala
Tue Jul 27 01:13:58 CEST 2010


On date Monday 2010-07-26 23:21:59 +0200, Michael Niedermayer encoded:
> oOn Mon, Jul 26, 2010 at 11:38:17AM +0200, Stefano Sabatini wrote:
> [...]
> > +int av_parse_video_rate(AVRational *frame_rate, const char *arg)
> > +{
> > +    int i;
> > +    int n = FF_ARRAY_ELEMS(video_frame_rate_abbrs);
> > +    char *cp;
> > +
> > +    /* First, we check our abbreviation table */
> > +    for (i = 0; i < n; ++i)
> > +         if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
> 
> > +             frame_rate->num = video_frame_rate_abbrs[i].rate_num;
> > +             frame_rate->den = video_frame_rate_abbrs[i].rate_den;
> 
> > +             return 0;
> > +         }
> > +
> > +    /* Then, we try to parse it as fraction */
> > +    cp = strchr(arg, '/');
> > +    if (!cp)
> > +        cp = strchr(arg, ':');
> > +    if (cp) {
> > +        char *cpp;
> > +        frame_rate->num = strtol(arg, &cpp, 10);
> > +        if (cpp != arg || cpp == cp)
> > +            frame_rate->den = strtol(cp+1, &cpp, 10);
> > +        else
> > +            frame_rate->num = 0;
> > +    } else {
> > +        /* Finally we give up and parse it as double */
> > +        AVRational time_base = av_d2q(strtod(arg, 0), 1001000);
> > +        frame_rate->den = time_base.den;
> > +        frame_rate->num = time_base.num;
> > +    }
> > +    if (!frame_rate->num || !frame_rate->den)
> > +        return -1;
> > +    else
> 
> {}
> and it needs a <0 check
> 
> looks ok otherwise as far as i maintain the files

Applied.
-- 
FFmpeg = Fast and Freak Mega Power Excellent Game



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