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| author | Remi Collet <fedora@famillecollet.com> | 2017-03-24 13:28:37 +0100 |
|---|---|---|
| committer | Remi Collet <fedora@famillecollet.com> | 2017-03-24 13:28:37 +0100 |
| commit | d5fa1cc72f53d3ee5e1bb2b9c5be2a45959273c4 (patch) | |
| tree | c4b1d983e4f9d239275e6795e890c4bffc56d176 /Bug-fix-in-ssse3-quantize-function.patch | |
Diffstat (limited to 'Bug-fix-in-ssse3-quantize-function.patch')
| -rw-r--r-- | Bug-fix-in-ssse3-quantize-function.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Bug-fix-in-ssse3-quantize-function.patch b/Bug-fix-in-ssse3-quantize-function.patch new file mode 100644 index 0000000..74138e8 --- /dev/null +++ b/Bug-fix-in-ssse3-quantize-function.patch @@ -0,0 +1,32 @@ +commit 0d43bd77e5f429467fbd280a7b8f7fbc0bfe1809 +Author: Yunqing Wang <yunqingwang@google.com> +Date: Fri Feb 7 14:27:07 2014 -0800 + + Bug fix in ssse3 quantize function + + A bug was reported in Issue 702: "SIGILL (Illegal instruction) when + transcoding with vp9 - using FFmpeg". It was reproduced and fixed. + + Change-Id: Ie32c149a89af02856084aeaf289e848a905c7700 + +diff --git a/vp9/encoder/x86/vp9_quantize_ssse3.asm b/vp9/encoder/x86/vp9_quantize_ssse3.asm +index db30660..48ccef8 100644 +--- a/vp9/encoder/x86/vp9_quantize_ssse3.asm ++++ b/vp9/encoder/x86/vp9_quantize_ssse3.asm +@@ -188,7 +188,8 @@ cglobal quantize_%1, 0, %2, 15, coeff, ncoeff, skip, zbin, round, quant, \ + pmaxsw m8, m7 + pshuflw m7, m8, 0x1 + pmaxsw m8, m7 +- pextrw [r2], m8, 0 ++ pextrw r6, m8, 0 ++ mov [r2], r6 + RET + + ; skip-block, i.e. just write all zeroes +@@ -214,5 +215,5 @@ cglobal quantize_%1, 0, %2, 15, coeff, ncoeff, skip, zbin, round, quant, \ + %endmacro + + INIT_XMM ssse3 +-QUANTIZE_FN b, 6 ++QUANTIZE_FN b, 7 + QUANTIZE_FN b_32x32, 7 |