[FFmpeg-devel] FYI, noticeable decoding performance degradation
pkoshevoy at gmail.com
Wed Aug 14 03:23:33 CEST 2013
On 8/13/13 8:27 AM, Michael Niedermayer wrote:
> On Tue, Aug 13, 2013 at 08:16:16AM -0600, Pavel Koshevoy wrote:
>> Please disregard if you are already aware of the drop in decoding speed.
>> I've pulled recent changes on master yesterday up to and including
>> ffplay build from a few days ago could decode a short (11 seconds,
>> 640 kb/s) AC3 file without problems on 800MHz PPC iMac, but
>> yesterdays build stutters throughout playback.
>> Please let me know if I need to provide additional info.
> can you find the commit that introduced the drop in decoding speed?
Ugh, sorry about the noise, it's my fault entirely. I've put some
debugging code in libavcodec/mdct.c and libavcodec/ppc/fft_altivec.c and
forgot about it.
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