3b02429c8a
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.
33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
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
|