[FFmpeg-devel] Proposed patch

[Arpi]

Hi,

> >   Anyway, if you consider ppc to be a critical one to benchmark on,
> > I would need somebody to do it for me.  
> 
> well, if noone steps forward to benchmark it on ppc then ill assume that
> there are no ppc users who care about a possible 50% speedloss 
> (or speedgain...)

Darwin g5.local 8.10.0 Darwin Kernel Version 8.10.0: Wed May 23 16:50:59 PDT
2007; root:xnu-792.21.3~1/RELEASE_PPC Power Macintosh powerpc
2x2.5ghz G5 cpu...

gcc version 4.0.1 (Apple Computer, Inc. build 5341)

mplayer snapshot compiled with:
./configure --with-extraincdir=/sw/include --with-extralibdir=/sw/lib
make


DVD (mpeg2) test, die hard 4, chapter 3, first 1000 frames:

MPlayer SVN-r22941 (C) 2000-2007 MPlayer Team
libmpeg2:
mplayer -dvd-device lumiere-dvdr-dh4.ISO dvd://1 -chapter 3-3 -nosound -benchmark -frames 1000
BENCHMARKs: VC:   2.479s VO:  14.008s A:   0.000s Sys:   0.482s =   16.969s
BENCHMARK%: VC: 14.6064% VO: 82.5510% A:  0.0000% Sys:  2.8426% = 100.0000%

-vc ffmpeg12:
BENCHMARKs: VC:   3.173s VO:  13.371s A:   0.000s Sys:   0.492s =   17.036s
BENCHMARK%: VC: 18.6265% VO: 78.4860% A:  0.0000% Sys:  2.8875% = 100.0000%

MPlayer SVN-r24007 (C) 2000-2007 MPlayer Team
-vc ffmpeg12:
BENCHMARKs: VC:   3.138s VO:  13.480s A:   0.000s Sys:   0.487s =   17.104s
BENCHMARK%: VC: 18.3444% VO: 78.8109% A:  0.0000% Sys:  2.8447% = 100.0000%

SVN-r24007 + the patch:
BENCHMARKs: VC:   3.189s VO:  13.302s A:   0.000s Sys:   0.499s =   16.990s
BENCHMARK%: VC: 18.7674% VO: 78.2959% A:  0.0000% Sys:  2.9367% = 100.0000%

little slowdown...


HD h264 test:

mplayer-export-2007-08-04.orig/mplayer
Ice.Age.2.-.The.Meltdown.Dual.1080p.BluRay.x264-DVB-Crew.mkv -ss 180 -frames
500 -nosound -benchmark -vo null
VIDEO:  [avc1]  1920x1036  24bpp  23.976 fps    0.0 kbps ( 0.0 kbyte/s)
Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)

without patch:
BENCHMARKs: VC:  22.089s VO:   0.001s A:   0.000s Sys:   0.436s =   22.527s
BENCHMARK%: VC: 98.0586% VO:  0.0063% A:  0.0000% Sys:  1.9351% = 100.0000%
BENCHMARKs: VC:  22.092s VO:   0.001s A:   0.000s Sys:   0.424s =   22.517s
BENCHMARK%: VC: 98.1091% VO:  0.0064% A:  0.0000% Sys:  1.8845% = 100.0000%

with patch:
BENCHMARKs: VC:  21.991s VO:   0.001s A:   0.000s Sys:   0.451s =   22.444s
BENCHMARK%: VC: 97.9826% VO:  0.0062% A:  0.0000% Sys:  2.0112% = 100.0000%
BENCHMARKs: VC:  21.849s VO:   0.001s A:   0.000s Sys:   0.410s =   22.260s
BENCHMARK%: VC: 98.1534% VO:  0.0062% A:  0.0000% Sys:  1.8404% = 100.0000%

little speedup...


A'rpi