*/
/**
- * @file libavcodec/h264idct.c
+ * @file
* H.264 IDCT.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
// assumes all AC coefs are 0
void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride){
int i, j;
- uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int dc = (block[0] + 32) >> 6;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + dc;
for( j = 0; j < 4; j++ )
{
for( i = 0; i < 4; i++ )
- dst[i] = cm[ dst[i] + dc ];
+ dst[i] = cm[ dst[i] ];
dst += stride;
}
}
void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride){
int i, j;
- uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int dc = (block[0] + 32) >> 6;
+ uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + dc;
for( j = 0; j < 8; j++ )
{
for( i = 0; i < 8; i++ )
- dst[i] = cm[ dst[i] + dc ];
+ dst[i] = cm[ dst[i] ];
dst += stride;
}
}