[vlc-devel] [PATCH 1/3] avcodec:video: don't try hardware acceleration if "none" is enabled

Jean-Baptiste Kempf jb at videolan.org
Fri Aug 4 16:35:50 CEST 2017


Hello,

On Fri, 4 Aug 2017, at 16:31, Rémi Denis-Courmont wrote:
> Le 4 août 2017 15:54:55 GMT+03:00, Steve Lhomme <robux4 at videolabs.io>
> a écrit :>> ---
>> 
>>  modules/codec/avcodec/video.c | 8 ++++++++
>> 
>>  1 file changed, 8 insertions(+)
>> 
>> 
>> 
>> diff --git a/modules/codec/avcodec/video.c
>> b/modules/codec/avcodec/video.c
>>>> index 590aa9460f..14668db0c4 100644
>> 
>> --- a/modules/codec/avcodec/video.c
>> 
>> +++ b/modules/codec/avcodec/video.c
>> 
>> @@ -1490,6 +1490,14 @@ static enum PixelFormat ffmpeg_GetFormat(
>> AVCodecContext *p_context,
>>>>              can_hwaccel = true;
>> 
>>      }
>> 
>>  
>> 
>> +    char * var = var_InheritString(p_dec, "avcodec-hw");
>> 
>> +    if (var == NULL || !strcmp( var, "none" ))
>> 
>> +    {
>> 
>> +        msg_Dbg( p_dec, "disable hardware decoders" );
>> 
>> +        can_hwaccel = false;
>> 
>> +    }
>> 
>> +    free(var);
>> 
>> +
>> 
>>      /* If the format did not actually change (e.g. seeking), try to
>>      reuse the
>>>>       * existing output format, and if present, hardware acceleration
>>         back-end.
>>>>       * This avoids resetting the pipeline downstream. This also
>>         avoids
>>> 
> Hell no. We have had enough bugs with second-guessing the module
> loader already.
Then, how do you disable all hw decoding?

--
Jean-Baptiste Kempf -  President
+33 672 704 734
 


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