Reinhard Tartler 5a9588b088 png: check bit depth for PAL8/Y400A pixel formats.
Wrong bit depth can lead to invalid rowsize values, which crashes the
decoder further down.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit d2205d6543)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit b8d6ba9d50e80fdce2ed74cdaffd4960df8a21c5)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit 33f93005f1a86c108302b4c5978aa1a3d8e092cc)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit 4c8c2660bd9252775c9a1dc2e2f36cb34718595a)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>

Conflicts:

	libavcodec/pngdec.c
2012-06-03 19:35:50 +02:00
2011-02-10 14:09:35 +01:00
2009-02-19 00:14:41 +00:00
2010-02-01 16:00:09 +00:00
2009-01-26 08:36:06 +00:00
2009-06-07 20:14:56 +00:00
2012-05-10 20:15:51 +02:00
2012-05-10 20:40:38 +02:00

FFmpeg README
-------------

1) Documentation
----------------

* Read the documentation in the doc/ directory.

2) Licensing
------------

* See the LICENSE file.
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