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* avfilter/vf_psnr: Prevent integer overflow.Neil Birkbeck2013-09-21
| | | | | | | | 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>
* avfilter: various cosmeticsPaul B Mahol2013-09-12
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/vf_psnr: >8 bit planar supportPaul B Mahol2013-09-10
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/vf_psnr: refactor subsampled format supportPaul B Mahol2013-09-08
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi/psnr: rename 's' parameter to match documentationPaul B Mahol2013-07-09
| | | | | | Also removes some irrelevant lines in documentation. Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi: fix broken logic in metadata handlingPaul B Mahol2013-07-08
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* lavfi: add psnr filterPaul B Mahol2013-07-08
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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