[FFmpeg-devel] [PATCH v2 3/4] hwcontext_opencl: Remove the opencl_device_init in opencl_device_derive

mypopy at gmail.com mypopy at gmail.com
Mon Jul 2 05:15:28 EEST 2018


On Thu, Jun 28, 2018 at 11:50 PM Mark Thompson <sw at jkqxz.net> wrote:
>
> On 21/06/18 12:45, Jun Zhao wrote:
> > In opencl device derived case, don't need to call opencl_device_init.
> >
> > Signed-off-by: Jun Zhao <mypopydev at gmail.com>
> > ---
> >  libavutil/hwcontext_opencl.c | 7 ++-----
> >  1 file changed, 2 insertions(+), 5 deletions(-)
> >
> > diff --git a/libavutil/hwcontext_opencl.c b/libavutil/hwcontext_opencl.c
> > index 9e96e96..295d6be 100644
> > --- a/libavutil/hwcontext_opencl.c
> > +++ b/libavutil/hwcontext_opencl.c
> > @@ -1196,7 +1196,7 @@ static int opencl_device_derive(AVHWDeviceContext *hwdev,
> >                                  AVHWDeviceContext *src_ctx,
> >                                  int flags)
> >  {
> > -    int err;
> > +    int err = 0;
>
> This looks wrong - initialising it here may hide useful warnings.  If there is a specific case where it isn't set then set it there.
Fixed this part and applied, thanks.
>
> >      switch (src_ctx->type) {
> >
> >  #if HAVE_OPENCL_DRM_BEIGNET
> > @@ -1362,10 +1362,7 @@ static int opencl_device_derive(AVHWDeviceContext *hwdev,
> >          break;
> >      }
> >
> > -    if (err < 0)
> > -        return err;
> > -
> > -    return opencl_device_init(hwdev);
> > +    return err;
>
> This part looks good.  (Not sure how I missed this case, the hwdevice test does show it when run at higher debug level.)
>
> >  }
> >
> >  static int opencl_get_plane_format(enum AVPixelFormat pixfmt,
> >
>
> Thanks,
>
> - Mark
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> ffmpeg-devel at ffmpeg.org
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-- 
=======================================
Jun zhao/赵军
+++++++++++++++++++++++++++++++++++++++


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