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Code Issues Releases Activity

Fix third pixel motion compensation

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Originally committed as revision 1990 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2003-06-27 15:03:58 +00:00
parent 8e937a4ad1
commit 89ebf4e85e
1 changed files with 4 additions and 4 deletions
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8
libavcodec/dsputil.c
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@ -999,7 +999,7 @@ static inline void put_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src, int
int i,j;
for (i=0; i < height; i++) {
for (j=0; j < width; j++) {
dst[j] = (2731*(3*src[j] + 4*src[j+1] + 2*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15;
dst[j] = (2731*(3*src[j] + 2*src[j+1] + 4*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15;
}
src += stride;
dst += stride;
@ -1021,7 +1021,7 @@ static inline void put_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src, int
int i,j;
for (i=0; i < height; i++) {
for (j=0; j < width; j++) {
dst[j] = (2731*(3*src[j] + 2*src[j+1] + 4*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15;
dst[j] = (2731*(3*src[j] + 4*src[j+1] + 2*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15;
}
src += stride;
dst += stride;
@ -1096,7 +1096,7 @@ static inline void avg_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src, int
int i,j;
for (i=0; i < height; i++) {
for (j=0; j < width; j++) {
dst[j] = (dst[j] + ((2731*(3*src[j] + 4*src[j+1] + 2*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15) + 1) >> 1;
dst[j] = (dst[j] + ((2731*(3*src[j] + 2*src[j+1] + 4*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15) + 1) >> 1;
}
src += stride;
dst += stride;
@ -1118,7 +1118,7 @@ static inline void avg_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src, int
int i,j;
for (i=0; i < height; i++) {
for (j=0; j < width; j++) {
dst[j] = (dst[j] + ((2731*(3*src[j] + 2*src[j+1] + 4*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15) + 1) >> 1;
dst[j] = (dst[j] + ((2731*(3*src[j] + 4*src[j+1] + 2*src[j+stride] + 3*src[j+stride+1] + 6)) >> 15) + 1) >> 1;
}
src += stride;
dst += stride;