[FFmpeg-devel] [PATCH 4/4] avcodec/pngdec: use memcpy instead of byte loops for P frames.

Benoit Fouet benoit.fouet at free.fr
Wed Dec 3 19:05:19 CET 2014


On December 3, 2014 6:39:12 PM GMT+01:00, Christophe Gisquet <christophe.gisquet at gmail.com> wrote:
>2014-12-03 18:32 GMT+01:00 Benoit Fouet <benoit.fouet at free.fr>:
>> When the overhead here is high, then it means that we are going to
>perform a
>> lot on the frame itself, looping using byte buffers.
>> I believe this is a good compromise (and also I had up to 20% better
>> performances on the APNG samples I have).
>I have just benchmarked on a few animated pngs, and it's
>systematically much better here.

Cool, and also thanks for testing this!


More information about the ffmpeg-devel mailing list