[FFmpeg-cvslog] SWSCALE: Increase maximim with from 5120 to 21504
Frank Barchard
git at videolan.org
Wed Mar 30 16:39:53 CEST 2011
ffmpeg | branch: master | Frank Barchard <fbarchard at google.com> | Tue Mar 29 23:56:17 2011 -0700| [e3a8454205b5c6141c9a525c261de9b75b3add40] | committer: Michael Niedermayer
SWSCALE: Increase maximim with from 5120 to 21504
Heres a benchmark
VOFW 5120 VOFW 21504 Note
10438.8 10344.2 timex ffmpeg -y -i tulip2.mp4 tulip2.yuv
25611.9 24256.9 timex ffmpeg -y -itulip2.mp4 -s 1272x724 tulip2.yuv
24485.7 26006.6
28573.1 24291.3
24069.1 26995.9
25684.95 25387.675 average
This is on a Nehalem i7. Despite being a 500 frame, 720p video, the numbers
fluctuate, so I took an average of 4 runs.
Another reason I'd like this change is youtube accepts videos with higher
resolutions than 5120.
16384 is vp8's maximum resolution, so that should keep us amused for a
little longer.
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e3a8454205b5c6141c9a525c261de9b75b3add40
---
libswscale/swscale_internal.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index daa6731..bb0c6bf 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -34,7 +34,7 @@
#define MAX_FILTER_SIZE 256
#if ARCH_X86
-#define VOFW 5120
+#define VOFW 21502
#else
#define VOFW 2048 // faster on PPC and not tested on others
#endif
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