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Pass modes as parameters instead of calculating them inplace.

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Patch by by Christophe GISQUET ( echo $name| awk '//{sub(" ",".");print tolower($0) "@free.fr";}')
Thread: [PATCH] Clean up in C VC-1 DSP functions

Originally committed as revision 9537 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Christophe Gisquet 2007-07-08 13:34:02 +00:00 committed by Kostya Shishkov
parent 803b090449
commit ccef714035
1 changed files with 5 additions and 7 deletions
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12
libavcodec/vc1dsp.c
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@ -342,29 +342,27 @@ static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int
/** Function used to do motion compensation with bicubic interpolation
*/
static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int mode, int rnd)
static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)
{
int i, j;
uint8_t tmp[8*11], *tptr;
int m, r;
int r;
m = (mode & 3);
r = rnd;
src -= stride;
tptr = tmp;
for(j = 0; j < 11; j++) {
for(i = 0; i < 8; i++)
tptr[i] = av_clip_uint8(vc1_mspel_filter(src + i, 1, m, r));
tptr[i] = av_clip_uint8(vc1_mspel_filter(src + i, 1, hmode, r));
src += stride;
tptr += 8;
}
r = 1 - rnd;
m = (mode >> 2) & 3;
tptr = tmp + 8;
for(j = 0; j < 8; j++) {
for(i = 0; i < 8; i++)
dst[i] = av_clip_uint8(vc1_mspel_filter(tptr + i, 8, m, r));
dst[i] = av_clip_uint8(vc1_mspel_filter(tptr + i, 8, vmode, r));
dst += stride;
tptr += 8;
}
@ -377,7 +375,7 @@ void ff_put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int r
#define PUT_VC1_MSPEL(a, b)\
static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
vc1_mspel_mc(dst, src, stride, (a)&((b<<2)), rnd); \
vc1_mspel_mc(dst, src, stride, a, b, rnd); \
}
PUT_VC1_MSPEL(1, 0)