[FFmpeg-devel] [PATCH v1 1/3] lavc/decode: Add get_hw_config function

[Wang, Fei W]

On Tue, 2022-08-16 at 13:22 +0200, Anton Khirnov wrote:
> The commit message is misleading - you are not adding code, you are
> moving code.
> 
> Quoting Fei Wang (2022-08-12 14:55:43)
> > From: Linjie Fu <linjie.fu at intel.com>
> > 
> > Wrap the procedure of getting the hardware config from a pixel
> > format
> > into a function.
> > 
> > Signed-off-by: Linjie Fu <linjie.fu at intel.com>
> > Signed-off-by: Fei Wang <fei.w.wang at intel.com>
> > ---
> >  libavcodec/decode.c | 33 +++++++++++++++++++++------------
> >  1 file changed, 21 insertions(+), 12 deletions(-)
> > 
> > diff --git a/libavcodec/decode.c b/libavcodec/decode.c
> > index 75373989c6..d66d5a4160 100644
> > --- a/libavcodec/decode.c
> > +++ b/libavcodec/decode.c
> > @@ -1156,6 +1156,26 @@ static void hwaccel_uninit(AVCodecContext
> > *avctx)
> >      av_buffer_unref(&avctx->hw_frames_ctx);
> >  }
> >  
> > +static const AVCodecHWConfigInternal *get_hw_config(AVCodecContext
> > *avctx, enum AVPixelFormat fmt)
> > +{
> > +    const AVCodecHWConfigInternal *hw_config;
> > +    int i;
> 
> Should be declared in the loop
> 
> > +    if (ffcodec(avctx->codec)->hw_configs) {
> > +        for (i = 0;; i++) {
> > +            hw_config = ffcodec(avctx->codec)->hw_configs[i];
> > +            if (!hw_config)
> > +                break;
> 
> return NULL;
> 
> > +            if (hw_config->public.pix_fmt == fmt)
> > +                break;
> 
> return hw_config;
> 
> > +        }
> > +    } else {
> > +        hw_config = NULL;
> > +    }
> 
> You can save one level of indentation by starting with
> 
> if (!ffcodec(avctx->codec)->hw_configs)
>     return NULL;

Fix in V2.

Thanks
Fei

>