[FFmpeg-devel] [PATCH] avformat/img2dec: skip DHT segment in jpeg_probe()

[Matthieu Bouron]

On Wed, Apr 01, 2020 at 03:38:45PM +0200, Carl Eugen Hoyos wrote:
> Am Mi., 1. Apr. 2020 um 10:57 Uhr schrieb Matthieu Bouron
> <matthieu.bouron at gmail.com>:
> >
> > ---
> >  libavformat/img2dec.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
> > index 40f3e3d499e..93cd51c1932 100644
> > --- a/libavformat/img2dec.c
> > +++ b/libavformat/img2dec.c
> > @@ -775,6 +775,7 @@ static int jpeg_probe(const AVProbeData *p)
> >                  return 0;
> >              state = EOI;
> >              break;
> > +        case DHT:
> >          case DQT:
> >          case APP0:
> >          case APP1:
> 
> Please provide a sample file.

This patch does not fix a particular issue. IMHO, we should skip the DHT
segment just like the other segments (and avoids parsing the data it
contains) unless there is a particular reason for it ?

> 
> Thank you, Carl Eugen
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-- 
Matthieu B.