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ffmpeg.wasm-core
Commit e211e255 authored by Peter Ross's avatar Peter Ross Committed by Ronald S. Bultje
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bink: prevent overflows within binkidct by using int-sized intermediate array 

Signed-off-by: 's avatarRonald S. Bultje <rsbultje@gmail.com>
parent 588a3ffd
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Showing with 7 additions and 7 deletions
libavcodec/binkidct.c
View file @ e211e255
......@@ -62,7 +62,7 @@
#define MUNGE_ROW(x) (((x) + 0x7F)>>8)
#define IDCT_ROW(dest,src) IDCT_TRANSFORM(dest,0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7,MUNGE_ROW,src)
static inline void bink_idct_col(DCTELEM *dest, const DCTELEM *src)
static inline void bink_idct_col(int *dest, const DCTELEM *src)
{
if ((src[8]|src[16]|src[24]|src[32]|src[40]|src[48]|src[56])==0) {
dest[0] =
......@@ -81,7 +81,7 @@ static inline void bink_idct_col(DCTELEM *dest, const DCTELEM *src)
void ff_bink_idct_c(DCTELEM *block)
{
int i;
DCTELEM temp[64];
int temp[64];
for (i = 0; i < 8; i++)
bink_idct_col(&temp[i], &block[i]);
......@@ -103,7 +103,7 @@ void ff_bink_idct_add_c(uint8_t *dest, int linesize, DCTELEM *block)
void ff_bink_idct_put_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int i;
DCTELEM temp[64];
int temp[64];
for (i = 0; i < 8; i++)
bink_idct_col(&temp[i], &block[i]);
for (i = 0; i < 8; i++) {
......
tests/ref/fate/bink-demux-video
View file @ e211e255
......@@ -13,8 +13,8 @@
0, 72000, 460800, 0x71c0f48e
0, 78000, 460800, 0x5fc8f783
0, 84000, 460800, 0xd23d336a
0, 90000, 460800, 0xa7aca9e0
0, 96000, 460800, 0x1dff2144
0, 102000, 460800, 0x82cf8b2b
0, 108000, 460800, 0x4cbe3544
0, 90000, 460800, 0xadcfa9e0
0, 96000, 460800, 0x24222144
0, 102000, 460800, 0x88f28b2b
0, 108000, 460800, 0x52e13544
0, 114000, 460800, 0x7e724731
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