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0407cd4990
This reduces the amount the horizontal filters read beyond the filter width to a consistent 1 pixel. The data is not used so this is usually not noticeable. It becomes a problem when the application allocates frame buffers only for the aligned picture size and the end of it is at a page boundary. This happens for picture sizes which are a multiple of the page size like 1280x640. The frame buffer allocation is based on its most likely done via mmap + MAP_ANONYMOUS so start and end of the buffer are page aligned and the previous and next page are not necessarily mapped. This mirrors the aarch64 change. Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net> Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com> (cherry picked from commit f3662562156c9b908588b1e58e4203fd09217cb6)