[FFmpeg-devel] [PATCH] avformat/srtdec: give WebVTT priority

[wm4]

On Thu,  8 Oct 2015 19:40:38 +0200
wm4 <nfxjfg at googlemail.com> wrote:

> WevVTT and SRT can look very similar. For some samples, they both
> succeed and return AVPROBE_SCORE_MAX, which leads to probing failure.
> 
> This gives priority to WebVTT in ambiguous cases. Since WebVTT only
> succeeds if the header is present, it's pretty sure WebVTT should win in
> these cases.
> ---
>  libavformat/srtdec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavformat/srtdec.c b/libavformat/srtdec.c
> index e9cd647..6067122 100644
> --- a/libavformat/srtdec.c
> +++ b/libavformat/srtdec.c
> @@ -53,7 +53,7 @@ static int srt_probe(AVProbeData *p)
>          return 0;
>      if (buf[0] >= '0' && buf[0] <= '9' && strstr(buf, " --> ")
>          && sscanf(buf, "%*d:%*2d:%*2d%*1[,.]%*3d --> %*d:%*2d:%*2d%*1[,.]%3d", &v) == 1)
> -        return AVPROBE_SCORE_MAX;
> +        return AVPROBE_SCORE_MAX - 1;
>  
>      return 0;
>  }

Patch withdrawn. This is actually a regression due to bad strtol()
usage, and will be fixed by ubitux later.