diff options
author | Mark H Weaver <mhw@netris.org> | 2015-02-02 00:22:51 -0500 |
---|---|---|
committer | Mark H Weaver <mhw@netris.org> | 2015-02-02 03:54:42 -0500 |
commit | 3b02429c8a0b476120cb1bc63c9ddd4a3a44a37b (patch) | |
tree | 370417e7b1ba27396851ac22e503ec169019f9b0 /gnu/packages/patches/libvpx-fix-ssse3-quantize.patch | |
parent | 38012ed5cdf211050d64be7eb1f6164defcb9a68 (diff) |
gnu: libvpx: Apply bug fixes.
Fixes build on armhf.
* gnu/packages/patches/libvpx-fix-armhf-link.patch,
gnu/packages/patches/libvpx-fix-ssse3-quantize.patch,
gnu/packages/patches/libvpx-vp9-out-of-bounds-access.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/video.scm (libvpx): Add patches. On armhf, add additional
configure flags to avoid requiring support for NEON.
Diffstat (limited to 'gnu/packages/patches/libvpx-fix-ssse3-quantize.patch')
-rw-r--r-- | gnu/packages/patches/libvpx-fix-ssse3-quantize.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gnu/packages/patches/libvpx-fix-ssse3-quantize.patch b/gnu/packages/patches/libvpx-fix-ssse3-quantize.patch new file mode 100644 index 0000000000..74138e8d49 --- /dev/null +++ b/gnu/packages/patches/libvpx-fix-ssse3-quantize.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 |