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enable yuv422p to uyvy converter 

Originally committed as revision 27527 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Baptiste Coudurier 2008-09-05 00:25:39 +00:00
parent e10049bef5
commit a6100f39a1
4 changed files with 48 additions and 0 deletions
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3
libswscale/rgb2rgb.c
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@ -65,6 +65,9 @@ void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc
void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride);
void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride);
void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
long width, long height,
long lumStride, long chromStride, long srcStride);

8
libswscale/rgb2rgb.h
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@ -109,6 +109,14 @@ extern void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_
long width, long height,
long lumStride, long chromStride, long dstStride);
/**
*
* width should be a multiple of 16
*/
extern void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride);
/**
* Height should be a multiple of 2 and width should be a multiple of 2.
* (If this is a problem for anyone then tell me, and I will fix it.)

11
libswscale/rgb2rgb_template.c
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@ -1755,6 +1755,16 @@ static inline void RENAME(yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc,
RENAME(yuvPlanartouyvy)(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 2);
}
/**
* Width should be a multiple of 16.
*/
static inline void RENAME(yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
long width, long height,
long lumStride, long chromStride, long dstStride)
{
RENAME(yuvPlanartouyvy)(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 1);
}
/**
* Width should be a multiple of 16.
*/
@ -2727,6 +2737,7 @@ static inline void RENAME(rgb2rgb_init)(void){
yv12toyuy2 = RENAME(yv12toyuy2);
yv12touyvy = RENAME(yv12touyvy);
yuv422ptoyuy2 = RENAME(yuv422ptoyuy2);
yuv422ptouyvy = RENAME(yuv422ptouyvy);
yuy2toyv12 = RENAME(yuy2toyv12);
// uyvytoyv12 = RENAME(uyvytoyv12);
// yvu9toyv12 = RENAME(yvu9toyv12);

26
libswscale/swscale.c
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@ -1648,6 +1648,24 @@ static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], i
return srcSliceH;
}
static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
return srcSliceH;
}
static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
return srcSliceH;
}
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
@ -2233,6 +2251,14 @@ SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
c->swScale= rgb2rgbWrapper;
if (srcFormat == PIX_FMT_YUV422P)
{
if (dstFormat == PIX_FMT_YUYV422)
c->swScale= YUV422PToYuy2Wrapper;
else if (dstFormat == PIX_FMT_UYVY422)
c->swScale= YUV422PToUyvyWrapper;
}
/* LQ converters if -sws 0 or -sws 4*/
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){
/* yv12_to_yuy2 */