Patch attached.
- Andreas
From a33080ab9e500432e816808fbdc42d15b47e7237 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
Date: Wed, 30 Apr 2025 20:07:35 +0200
Subject: [PATCH] avcodec/apv_dsp: Fix left-shift of negative value
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/apv_dsp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/apv_dsp.c b/libavcodec/apv_dsp.c
index fd814ef900..07bb34ec0b 100644
--- a/libavcodec/apv_dsp.c
+++ b/libavcodec/apv_dsp.c
@@ -58,7 +58,7 @@ static void apv_decode_transquant_c(void *output,
for (int y = 0; y < 8; y++) {
for (int x = 0; x < 8; x++) {
- int coeff = (((input[y][x] * qmatrix[y][x]) << qp_shift) +
+ int coeff = (input[y][x] * qmatrix[y][x] * (1 << qp_shift) +
(1 << (bd_shift - 1))) >> bd_shift;
scaled_coeff[y][x] =
--
2.45.2
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