Re: [FFmpeg-devel] [PATCH 4/5] avcodec/dovi_rpuenc: Initialize bl_compat_id

From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 4/5] avcodec/dovi_rpuenc: Initialize bl_compat_id
Date: Sat, 4 May 2024 20:26:54 +0200
Message-ID: <20240504182654.GR6420@pb2> (raw)
In-Reply-To: <AS8P250MB0744295B846DDD4882129C738F1F2@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM>

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On Sat, May 04, 2024 at 12:21:03AM +0200, Andreas Rheinhardt wrote:
> Michael Niedermayer:
> > Fixes: CID1596607 Uninitialized scalar variable
> > 
> > Sponsored-by: Sovereign Tech Fund
> > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> > ---
> >  libavcodec/dovi_rpuenc.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/libavcodec/dovi_rpuenc.c b/libavcodec/dovi_rpuenc.c
> > index 7e0292533bd..c5e452957b5 100644
> > --- a/libavcodec/dovi_rpuenc.c
> > +++ b/libavcodec/dovi_rpuenc.c
> > @@ -57,7 +57,7 @@ int ff_dovi_configure(DOVIContext *s, AVCodecContext *avctx)
> >      AVDOVIDecoderConfigurationRecord *cfg;
> >      const AVDOVIRpuDataHeader *hdr = NULL;
> >      const AVFrameSideData *sd;
> > -    int dv_profile, dv_level, bl_compat_id;
> > +    int dv_profile, dv_level, bl_compat_id = -1;
> >      size_t cfg_size;
> >      uint64_t pps;
> >  
> 
[...]
> default case is never taken); but if you do this, then you can also
> remove the other "bl_compat_id = -1" assignments (which conveys that
> everything is treated as invalid unless we found it to have a valid
> compatibility id).

will apply with the other bl_compat_id = -1 removed

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The misfortune of the wise is better than the prosperity of the fool.
-- Epicurus

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