[FFmpeg-devel] [PATCH]Do not fail for valid PICT files

[Michael Niedermayer]

On Tue, May 19, 2015 at 10:33:52AM +0200, Carl Eugen Hoyos wrote:
> On Thursday 14 May 2015 01:47:54 pm Michael Niedermayer wrote:
> > On Thu, May 14, 2015 at 12:28:13PM +0200, Carl Eugen Hoyos wrote:
> > > Hi!
> > >
> > > Attached patch fixes reading valid pict files with non-zero user data.
> > > 
> https://developer.apple.com/legacy/library/documentation/mac/QuickDraw/QuickDraw-334.html
> > >
> > > Please comment, Carl Eugen
> > >
> > >  qdrw.c |    5 ++---
> > >  1 file changed, 2 insertions(+), 3 deletions(-)
> > > edf25620818c022655ed281d4e7d614459d56df3  patchqdrw.diff
> > > diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c
> > > index 1c3244b..6ec35c6 100644
> > > --- a/libavcodec/qdrw.c
> > > +++ b/libavcodec/qdrw.c
> > > @@ -124,9 +124,8 @@ static int decode_frame(AVCodecContext *avctx,
> > >      int w, h, ret;
> > >
> > >      bytestream2_init(&gbc, avpkt->data, avpkt->size);
> > > -    while (   bytestream2_get_bytes_left(&gbc) >= 552
> > > -           && (   !AV_RB16(&avpkt->data[bytestream2_tell(&gbc)+6])
> > > -               || !AV_RB16(&avpkt->data[bytestream2_tell(&gbc)+8])))
> > > +    if (   bytestream2_get_bytes_left(&gbc) >= 552
> > > +           && AV_RB32(&avpkt->data[522]) == 0x001102FF)
> >
> > This wont work with files that have a different version
> 
> New patch attached.
> 
> Carl Eugen

>  qdrw.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> a6709bfc86552bd386e843fd6c32c61d28e98f24  patchqdrw.diff

do you have a file this fixes ?

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When the tyrant has disposed of foreign enemies by conquest or treaty, and
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