Do not try to read 16bit gray png files with alpha channel.
authorCarl Eugen Hoyos <cehoyos@ag.or.at>
Sat, 12 Nov 2011 18:30:27 +0000 (19:30 +0100)
committerCarl Eugen Hoyos <cehoyos@ag.or.at>
Sat, 12 Nov 2011 18:30:27 +0000 (19:30 +0100)
commit0c5fd6372e6c257912d7ae64cbfc4d8541f0452f
tree705e06bd89db8d49de35c7ee78ba0ca248c217c6
parent32dd67162af06d6621d1731580ed6ad5bc4087b7
Do not try to read 16bit gray png files with alpha channel.

FFmpeg does not support gray16a.
Fixes the crash in ticket #644.
libavcodec/pngdec.c