On 2/25/2024 1:22 PM, Ronald S. Bultje wrote:
On Sun, Feb 25, 2024 at 10:56 AM Ronald S. Bultje <[email protected]>
wrote:
Hi,
On Sun, Feb 25, 2024 at 3:28 AM J. Dekker <[email protected]> wrote:
Weak filter can overflow in delta0 calculation before >> 4 in int16.
Signed-off-by: J. Dekker <[email protected]>
---
I do not know x86 simd at all, so this is just an attempt to fix
the implementation rather than write extremely performant code.
Suggestions welcome.
https://pastebin.com/KvcbQ2nK
Attached a slightly adjusted version which does sse2 in 16bit also.
Ronald
diff --git a/libavcodec/x86/hevc_deblock.asm b/libavcodec/x86/hevc_deblock.asm
index 85ee4800bb..869301caff 100644
--- a/libavcodec/x86/hevc_deblock.asm
+++ b/libavcodec/x86/hevc_deblock.asm
@@ -31,6 +31,7 @@ cextern pw_1023
pw_pixel_max_12: times 8 dw ((1 << 12)-1)
pw_m2: times 8 dw -2
pd_1 : times 4 dd 1
+pd_8 : times 8 dd 8
This is unused.
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