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Mark yao authored
fixup the scale calculation formula on the case src_height == (dst_height/2). Signed-off-by: Mark Yao <mark.yao@rock-chips.com> Reviewed-by: Sandy huang <sandy.huang@rock-chips.com> Link: https://patchwork.freedesktop.org/patch/msgid/1501494586-6984-1-git-send-email-mark.yao@rock-chips.com
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