[FFmpeg-devel] [PATCHv8] libavcodec: v4l2: add support for v4l2 mem2mem codecs

Jorge Ramirez jorge.ramirez-ortiz at linaro.org
Sun Sep 3 15:09:29 EEST 2017

On 09/03/2017 02:27 AM, Mark Thompson wrote:
>> diff --git a/Changelog b/Changelog
>> index 8309417..c6fcda3 100644
>> --- a/Changelog
>> +++ b/Changelog
>> @@ -40,6 +40,7 @@ version <next>:
>>     They must always be used by name.
>>   - FITS demuxer and decoder
>>   - FITS muxer and encoder
>> +- V4L2 mem2mem HW accelerated codecs support
> They aren't really accelerated - they are just hardware, there is no acceleration.
I guess I am confused about the semantics: the typical v4l2 IP blocks 
provide acceleration in the sense that there is hardware to offload the 
computation away from the CPU cores.
if that is not it, what does acceleration mean in the ffmpeg domain?

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