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swscale: Switch to ronalds yuv2yuvX16inC_template() its very similar to baptsites 

and supports alpha

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-05-24 17:48:41 +02:00
parent 040e1c67ed
commit 8050dfdfb2
1 changed files with 1 additions and 45 deletions
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46
libswscale/swscale.c
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@ -421,50 +421,6 @@ static av_always_inline void yuv2yuvX16inC_template(const int16_t *lumFilter, co
}
}
static av_always_inline void yuv2yuvXNinC_template(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest,
int dstW, int chrDstW, int big_endian, int depth)
{
//FIXME Optimize (just quickly written not optimized..)
int i;
for (i = 0; i < dstW; i++) {
int val = 1 << (26-depth);
int j;
for (j = 0; j < lumFilterSize; j++)
val += lumSrc[j][i] * lumFilter[j];
if (big_endian) {
AV_WB16(&dest[i], av_clip(val >> (27-depth), 0, (1<<depth)-1));
} else {
AV_WL16(&dest[i], av_clip(val >> (27-depth), 0, (1<<depth)-1));
}
}
if (uDest) {
for (i = 0; i < chrDstW; i++) {
int u = 1 << (26-depth);
int v = 1 << (26-depth);
int j;
for (j = 0; j < chrFilterSize; j++) {
u += chrSrc[j][i ] * chrFilter[j];
v += chrSrc[j][i + VOFW] * chrFilter[j];
}
if (big_endian) {
AV_WB16(&uDest[i], av_clip(u >> (27-depth), 0, (1<<depth)-1));
AV_WB16(&vDest[i], av_clip(v >> (27-depth), 0, (1<<depth)-1));
} else {
AV_WL16(&uDest[i], av_clip(u >> (27-depth), 0, (1<<depth)-1));
AV_WL16(&vDest[i], av_clip(v >> (27-depth), 0, (1<<depth)-1));
}
}
}
}
static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW,
@ -472,7 +428,7 @@ static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSr
{
if (isNBPS(dstFormat)) {
const int depth = av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1+1;
yuv2yuvXNinC_template(lumFilter, lumSrc, lumFilterSize,
yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
alpSrc,
dest, uDest, vDest, aDest,