[FFmpeg-devel] [PATCH V2 1/2] lavf/qsv: suppress code scan complain

[Li, Zhong]

> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
> Of Carl Eugen Hoyos
> Sent: Wednesday, July 4, 2018 4:16 AM
> To: FFmpeg development discussions and patches
> <ffmpeg-devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH V2 1/2] lavf/qsv: suppress code scan
> complain
> 
> 2018-07-03 10:29 GMT+02:00, Zhong Li <zhong.li at intel.com>:
> > Suppress the complain "variables 'handle' is used but maybe
> > uninitialized".
> >
> > Signed-off-by: Zhong Li <zhong.li at intel.com>
> > ---
> >  libavfilter/qsvvpp.c             | 5 +++++
> >  libavfilter/vf_deinterlace_qsv.c | 5 +++++
> >  libavfilter/vf_scale_qsv.c       | 5 +++++
> >  3 files changed, 15 insertions(+)
> >
> > diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c index
> > 2c01295..7ee1e56 100644
> > --- a/libavfilter/qsvvpp.c
> > +++ b/libavfilter/qsvvpp.c
> > @@ -503,6 +503,11 @@ static int init_vpp_session(AVFilterContext
> > *avctx, QSVVPPContext *s)
> >          }
> >      }
> >
> > +    if (ret != MFX_ERR_NONE) {
> > +        av_log(avctx, AV_LOG_ERROR, "Error getting the session
> handle\n");
> > +        return AVERROR_UNKNOWN;
> 
> What kind of errors can MFXVideoCORE_GetHandle() return?
> Are they unknown?
> 
> Carl Eugen

May return an error of MFX_ERR_NOT_FOUND, means specified handle type not found.