opensource/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-06 15:49:50 +08:00
Code Issues Packages Projects Releases Wiki Activity

avcodec/apv_dsp: Fix left-shift of negative value

Browse Source 
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-04-30 20:07:35 +02:00
parent c681d8e8a8
commit 0b588bfb51
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/apv_dsp.c
View File

@ -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] =