Ronald S. Bultje ea540401d6 swscale: fix byte overreads in SSE-optimized hscale(). ...

SSE-optimized hScale() scales up to 4 pixels at once, so we need to
allocate up to 3 padding pixels to prevent overreads. This fixes
valgrind errors in various swscale-tests on fate.

2011-09-15 07:30:46 -07:00

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