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unscaled BGR15->BGR16 

a few bugfixes of the other unscaled converters

Originally committed as revision 4582 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2002-02-08 04:18:01 +00:00
parent b72034dd49
commit 4bb3fa5e4f
1 changed files with 37 additions and 4 deletions
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41
postproc/swscale.c
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@ -27,12 +27,14 @@
YUY2/BGR15/BGR16/BGR24/BGR32/RGB24/RGB32 -> same format
BGR24 -> BGR32 & RGB24 -> RGB32
BGR32 -> BGR24 & RGB32 -> RGB24
BGR15 -> BGR16
*/
/*
tested special converters
YV12/I420 -> BGR16
YV12 -> YV12
BGR15 -> BGR16
untested special converters
YV12/I420/IYUV -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok)
@ -1153,7 +1155,7 @@ static void bgr24to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*3==srcStride[0]*4)
rgb24to32(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*dstStride[0]>>2);
rgb24to32(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
else
{
int i;
@ -1162,7 +1164,7 @@ static void bgr24to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int
for(i=0; i<srcSliceH; i++)
{
rgb24to32(srcPtr, dstPtr, c->srcW);
rgb24to32(srcPtr, dstPtr, c->srcW*3);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
@ -1173,7 +1175,7 @@ static void bgr32to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*4==srcStride[0]*3)
rgb32to24(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]>>2);
rgb32to24(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
else
{
int i;
@ -1182,7 +1184,27 @@ static void bgr32to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int
for(i=0; i<srcSliceH; i++)
{
rgb32to24(srcPtr, dstPtr, c->srcW);
rgb32to24(srcPtr, dstPtr, c->srcW<<2);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr15to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]==srcStride[0])
rgb15to16(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
else
{
int i;
uint8_t *srcPtr= src[0];
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
for(i=0; i<srcSliceH; i++)
{
rgb15to16(srcPtr, dstPtr, c->srcW<<1);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
@ -1400,6 +1422,17 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH,
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr15to16 */
if(srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR16)
{
c->swScale= bgr15to16Wrapper;
if(flags&SWS_PRINT_INFO)
printf("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
}
if(cpuCaps.hasMMX2)