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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-04 06:08:26 +02:00
FFmpeg/libavcodec
Christophe Gisquet 4ddb3a6df0 gifdec: use truncated width for image manipulation
Some files seem to have an off-by-one error. In most cases, it appears to
be on the image width. Therefore, if the decoded image doesn't fit in the
screen:
- If it is wider than the screen (and the lzw decoding buffer), reject it;
- Otherwise, decode the indicated amount, but only write a truncated amount
  to the screen.

Fixes ticket #3538.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-08-18 09:49:01 +02:00
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