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4 Commits

Author SHA1 Message Date
Carl Eugen Hoyos
37c07d4529 swscale/utils: Fix color range of gray16 
Improves rgb -> gray16 conversion

Fixes Ticket3422

The pam and png output files look visually similar, in both cases the
dynamics increase to 0x0 -> 0xfffb.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-18 22:15:15 +01:00
Paul B Mahol
f58f90238f pngenc: write sample aspect ratio 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2012-10-13 16:02:09 +00:00
Carl Eugen Hoyos
a8b117f800 Add gray16 and rgb48 png encoding regression tests. 2012-01-16 10:57:56 +01:00
Vitor Sessak
f5d4fc43bb PNG image regression testing 
Originally committed as revision 25011 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-08-31 17:53:48 +00:00