[FFmpeg-devel] SWSCALE: Colorspace conversion for images
michaelni at gmx.at
Tue Mar 29 23:40:58 CEST 2011
On Tue, Mar 29, 2011 at 01:58:57PM -0700, Frank Barchard wrote:
> Bump swscaler width limitation from 5120 to 16384.
> Advantage: images (ie jpeg) are often larger than 5120 these days.
> 5120x2880 is about 15 megapixels
> Disadvantage: slightly slower
> no scaling
> timex ffmpeg -y -i tulip2.mp4 tulip2.yuv
> timex 8866.21ms
> C:\ffwork>timex ffmpeg -y -i tulip2.mp4 -s 1272x724 tulip2.yuv
> timex 23633.13ms with VOFW 5120
> timex 26246.90ms with VOFW 16384
could you try 21504 instead of 16384 ?
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
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