png: disable broken MMX/SIMD code for bpp <= 2
authorVittorio Giovara <vittorio.giovara@gmail.com>
Fri, 1 Aug 2014 18:13:55 +0000 (19:13 +0100)
committerVittorio Giovara <vittorio.giovara@gmail.com>
Mon, 4 Aug 2014 11:57:38 +0000 (12:57 +0100)
commit2257165bff243534982f4ddabae4e65e2a35f2ab
tree2a773576427ef3f72161879a7da27f529ca3195f
parentf84a1b597c29dc035b8d5529ef88c2d7ff057820
png: disable broken MMX/SIMD code for bpp <= 2

The decoder was producing different results when ASM was disabled.
Based on a long debug session with Kostya.
libavcodec/pngdec.c