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* avfilter/x86/vf_psnr.asm: fix typoPaul B Mahol2015-10-01
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/x86/vf_psnr.asm: split one line of license text into twoPaul B Mahol2015-07-14
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* vf_psnr: sse2 optimizations for sum-squared-error.Ronald S. Bultje2015-07-14
The internal line accumulator for 16bit can overflow, so I changed that from int to uint64_t in the C code. The matching assembly looks a little weird but output looks correct. (avx2 should be trivial to add later.) Reviewed-by: Paul B Mahol <onemda@gmail.com> Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>