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avfilter/vf_uspp: fix integer overflow in intermediate 

Fixes Ticket3596

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-12 04:28:34 +01:00
parent 13c3a97bf1
commit e07c82688e
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_uspp.c
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@ -45,7 +45,7 @@ typedef struct {
int qscale_type; int qscale_type;
int temp_stride[3]; int temp_stride[3];
uint8_t *src[3]; uint8_t *src[3];
int16_t *temp[3]; uint16_t *temp[3];
int outbuf_size; int outbuf_size;
uint8_t *outbuf; uint8_t *outbuf;
AVCodecContext *avctx_enc[BLOCK*BLOCK]; AVCodecContext *avctx_enc[BLOCK*BLOCK];
@ -152,7 +152,7 @@ static const uint8_t offset[511][2] = {
{ 3, 4}, {11, 4}, { 3,12}, {11,12}, { 7, 0}, {15, 0}, { 7, 8}, {15, 8}, { 3, 4}, {11, 4}, { 3,12}, {11,12}, { 7, 0}, {15, 0}, { 7, 8}, {15, 8},
}; };
static void store_slice_c(uint8_t *dst, const int16_t *src, static void store_slice_c(uint8_t *dst, const uint16_t *src,
int dst_stride, int src_stride, int dst_stride, int src_stride,
int width, int height, int log2_scale) int width, int height, int log2_scale)
{ {