Changeset a11c16a0 in ffmpeg

Timestamp:

Sep 21, 2013, 1:10:45 AM (11 years ago)

Author:

Michael Niedermayer <michaelni@gmx.at>

Branches:

master

Children:

68f328fc

Parents:

15672e83

git-author:

Neil Birkbeck <neil.birkbeck@gmail.com> (09/21/13 00:25:40)

git-committer:

Michael Niedermayer <michaelni@gmx.at> (09/21/13 01:10:45)

Message:

avfilter/vf_psnr: Prevent integer overflow.

The 32-bit integer accumulator in MSE computation can overflow for 8-bit frame data.
(e.g., for 1080p white frame compared to a black frame can give sum of 255*255*1080*1920 > 2^32).

Signed-off-by: Neil Birkbeck <​neil.birkbeck@gmail.com>
Signed-off-by: Michael Niedermayer <​michaelni@gmx.at>

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