RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-27 09:52:17 +00:00
Code Issues Projects Releases Wiki Activity

using the new rgb2rgb converters (the LQ ones are only used if -sws 0 or -sws 4)

Browse Source 
Originally committed as revision 6617 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2002-06-30 20:34:54 +00:00
parent f5b58629fe
commit e09d12f4f6
1 changed files with 135 additions and 347 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

484
postproc/swscale.c
View File

@ -19,23 +19,26 @@
/* /*
supported Input formats: YV12, I420/IYUV, YUY2, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09 supported Input formats: YV12, I420/IYUV, YUY2, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09
supported output formats: YV12, I420/IYUV, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 supported output formats: YV12, I420/IYUV, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
BGR15/16 support dithering {BGR,RGB}{1,4,8,15,16} support dithering
unscaled special converters unscaled special converters (YV12=I420=IYUV, Y800=Y8)
YV12/I420/IYUV -> BGR15/BGR16/BGR24/BGR32 YV12 -> {BGR,RGB}{1,4,8,15,16,24,32}
YV12/I420/IYUV -> YV12/I420/IYUV x -> x
YUY2/BGR15/BGR16/BGR24/BGR32/RGB24/RGB32 -> same format YUV9 -> YV12
YUV9/YV12 -> Y800
Y800 -> YUV9/YV12
BGR24 -> BGR32 & RGB24 -> RGB32 BGR24 -> BGR32 & RGB24 -> RGB32
BGR32 -> BGR24 & RGB32 -> RGB24 BGR32 -> BGR24 & RGB32 -> RGB24
BGR15 -> BGR16 BGR15 -> BGR16
*/ */
/* /*
tested special converters tested special converters (most are tested actually but i didnt write it down ...)
YV12/I420 -> BGR16 YV12 -> BGR16
YV12 -> YV12 YV12 -> YV12
BGR15 -> BGR16 BGR15 -> BGR16
BGR16 -> BGR16 BGR16 -> BGR16
YVU9 -> YV12
untested special converters untested special converters
YV12/I420 -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok) YV12/I420 -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok)
@ -291,8 +294,17 @@ static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcForma
SwsContext *srcContext, *dstContext, *outContext; SwsContext *srcContext, *dstContext, *outContext;
for(i=0; i<3; i++){ for(i=0; i<3; i++){
// avoid stride % bpp != 0
if(srcFormat==IMGFMT_RGB24 || srcFormat==IMGFMT_BGR24)
srcStride[i]= srcW*3;
else
srcStride[i]= srcW*4; srcStride[i]= srcW*4;
if(dstFormat==IMGFMT_RGB24 || dstFormat==IMGFMT_BGR24)
dstStride[i]= dstW*3;
else
dstStride[i]= dstW*4; dstStride[i]= dstW*4;
src[i]= malloc(srcStride[i]*srcH); src[i]= malloc(srcStride[i]*srcH);
dst[i]= malloc(dstStride[i]*dstH); dst[i]= malloc(dstStride[i]*dstH);
out[i]= malloc(refStride[i]*h); out[i]= malloc(refStride[i]*h);
@ -355,6 +367,9 @@ static void selfTest(uint8_t *src[3], int stride[3], int w, int h){
dstFormat= testFormat[dstFormatIndex]; dstFormat= testFormat[dstFormatIndex];
if(!dstFormat) break; if(!dstFormat) break;
if(!isSupportedOut(dstFormat)) continue; if(!isSupportedOut(dstFormat)) continue;
printf("%s -> %s\n",
vo_format_name(srcFormat),
vo_format_name(dstFormat));
srcW= w+w/3; srcW= w+w/3;
srcH= h+h/3; srcH= h+h/3;
@ -1545,11 +1560,97 @@ static void PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[],
yv12toyuy2( src[0],src[2],src[1],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); yv12toyuy2( src[0],src[2],src[1],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] );
} }
static void bgr24to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, /* {RGB,BGR}{15,16,24,32} -> {RGB,BGR}{15,16,24,32} */
static void rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){ int srcSliceH, uint8_t* dst[], int dstStride[]){
const int srcFormat= c->srcFormat;
const int dstFormat= c->dstFormat;
const int srcBpp= ((srcFormat&0xFF) + 7)>>3;
const int dstBpp= ((dstFormat&0xFF) + 7)>>3;
const int srcId= (srcFormat&0xFF)>>2; // 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8
const int dstId= (dstFormat&0xFF)>>2;
void (*conv)(const uint8_t *src, uint8_t *dst, unsigned src_size)=NULL;
if(dstStride[0]*3==srcStride[0]*4) /* BGR -> BGR */
rgb24to32(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); if(isBGR(srcFormat) && isBGR(dstFormat)){
switch(srcId | (dstId<<4)){
case 0x34: conv= rgb16to15; break;
case 0x36: conv= rgb24to15; break;
case 0x38: conv= rgb32to15; break;
case 0x43: conv= rgb15to16; break;
case 0x46: conv= rgb24to16; break;
case 0x48: conv= rgb32to16; break;
case 0x63: conv= rgb15to24; break;
case 0x64: conv= rgb16to24; break;
case 0x68: conv= rgb32to24; break;
case 0x83: conv= rgb15to32; break;
case 0x84: conv= rgb16to32; break;
case 0x86: conv= rgb24to32; break;
default: MSG_ERR("swScaler: internal error %s -> %s converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
}
}else if(isBGR(srcFormat) && isRGB(dstFormat)){
switch(srcId | (dstId<<4)){
case 0x33: conv= rgb15tobgr15; break;
case 0x34: conv= rgb16tobgr15; break;
case 0x36: conv= rgb24tobgr15; break;
case 0x38: conv= rgb32tobgr15; break;
case 0x43: conv= rgb15tobgr16; break;
case 0x44: conv= rgb16tobgr16; break;
case 0x46: conv= rgb24tobgr16; break;
case 0x48: conv= rgb32tobgr16; break;
case 0x63: conv= rgb15tobgr24; break;
case 0x64: conv= rgb16tobgr24; break;
case 0x66: conv= rgb24tobgr24; break;
case 0x68: conv= rgb32tobgr24; break;
case 0x83: conv= rgb15tobgr32; break;
case 0x84: conv= rgb16tobgr32; break;
case 0x86: conv= rgb24tobgr32; break;
case 0x88: conv= rgb32tobgr32; break;
default: MSG_ERR("swScaler: internal error %s -> %s converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
}
}else if(isRGB(srcFormat) && isRGB(dstFormat)){
switch(srcId | (dstId<<4)){
case 0x34: conv= rgb16to15; break;
case 0x36: conv= rgb24to15; break;
case 0x38: conv= rgb32to15; break;
case 0x43: conv= rgb15to16; break;
case 0x46: conv= rgb24to16; break;
case 0x48: conv= rgb32to16; break;
case 0x63: conv= rgb15to24; break;
case 0x64: conv= rgb16to24; break;
case 0x68: conv= rgb32to24; break;
case 0x83: conv= rgb15to32; break;
case 0x84: conv= rgb16to32; break;
case 0x86: conv= rgb24to32; break;
default: MSG_ERR("swScaler: internal error %s -> %s converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
}
}else if(isRGB(srcFormat) && isBGR(dstFormat)){
switch(srcId | (dstId<<4)){
case 0x33: conv= rgb15tobgr15; break;
case 0x34: conv= rgb16tobgr15; break;
case 0x36: conv= rgb24tobgr15; break;
case 0x38: conv= rgb32tobgr15; break;
case 0x43: conv= rgb15tobgr16; break;
case 0x44: conv= rgb16tobgr16; break;
case 0x46: conv= rgb24tobgr16; break;
case 0x48: conv= rgb32tobgr16; break;
case 0x63: conv= rgb15tobgr24; break;
case 0x64: conv= rgb16tobgr24; break;
case 0x66: conv= rgb24tobgr24; break;
case 0x68: conv= rgb32tobgr24; break;
case 0x83: conv= rgb15tobgr32; break;
case 0x84: conv= rgb16tobgr32; break;
case 0x86: conv= rgb24tobgr32; break;
case 0x88: conv= rgb32tobgr32; break;
default: MSG_ERR("swScaler: internal error %s -> %s converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
}
}
if(dstStride[0]*srcBpp == srcStride[0]*dstBpp)
conv(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
else else
{ {
int i; int i;
@ -1558,207 +1659,7 @@ static void bgr24to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int
for(i=0; i<srcSliceH; i++) for(i=0; i<srcSliceH; i++)
{ {
rgb24to32(srcPtr, dstPtr, c->srcW*3); conv(srcPtr, dstPtr, c->srcW*srcBpp);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr24to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*3==srcStride[0]*2)
rgb24to16(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++)
{
rgb24to16(srcPtr, dstPtr, c->srcW*3);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr24to15Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*3==srcStride[0]*2)
rgb24to15(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++)
{
rgb24to15(srcPtr, dstPtr, c->srcW*3);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr32to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
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]);
else
{
int i;
uint8_t *srcPtr= src[0];
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
for(i=0; i<srcSliceH; i++)
{
rgb32to24(srcPtr, dstPtr, c->srcW<<2);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr32to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*4==srcStride[0]*2)
rgb32to16(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++)
{
rgb32to16(srcPtr, dstPtr, c->srcW<<2);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr32to15Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*4==srcStride[0]*2)
rgb32to15(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++)
{
rgb32to15(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];
}
}
}
static void bgr15to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*2==srcStride[0]*3)
rgb15to24(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++)
{
rgb15to24(srcPtr, dstPtr, c->srcW<<1);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr15to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*2==srcStride[0]*4)
rgb15to32(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++)
{
rgb15to32(srcPtr, dstPtr, c->srcW<<1);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr16to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*2==srcStride[0]*3)
rgb16to24(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++)
{
rgb16to24(srcPtr, dstPtr, c->srcW<<1);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
}
static void bgr16to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(dstStride[0]*2==srcStride[0]*4)
rgb16to32(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++)
{
rgb16to32(srcPtr, dstPtr, c->srcW<<1);
srcPtr+= srcStride[0]; srcPtr+= srcStride[0];
dstPtr+= dstStride[0]; dstPtr+= dstStride[0];
} }
@ -1826,7 +1727,7 @@ static inline void orderYUV(int format, uint8_t * sortedP[], int sortedStride[],
sortedStride[1]= sortedStride[1]=
sortedStride[2]= 0; sortedStride[2]= 0;
} }
else /* I420 */ else if(format == IMGFMT_I420)
{ {
sortedP[0]= p[0]; sortedP[0]= p[0];
sortedP[1]= p[2]; sortedP[1]= p[2];
@ -1834,6 +1735,8 @@ static inline void orderYUV(int format, uint8_t * sortedP[], int sortedStride[],
sortedStride[0]= stride[0]; sortedStride[0]= stride[0];
sortedStride[1]= stride[2]; sortedStride[1]= stride[2];
sortedStride[2]= stride[1]; sortedStride[2]= stride[1];
}else{
MSG_ERR("internal error in orderYUV\n");
} }
} }
@ -1948,7 +1851,7 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH,
SwsContext *c; SwsContext *c;
int i; int i;
int usesFilter; int usesFilter;
int unscaled; int unscaled, needsDither;
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL}; SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
#ifdef ARCH_X86 #ifdef ARCH_X86
if(gCpuCaps.hasMMX) if(gCpuCaps.hasMMX)
@ -1956,12 +1859,15 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH,
#endif #endif
if(swScale==NULL) globalInit(); if(swScale==NULL) globalInit();
//srcFormat= IMGFMT_Y800; //srcFormat= IMGFMT_Y800;
//srcFormat= IMGFMT_YVU9; //dstFormat= IMGFMT_Y800;
/* avoid dupplicate Formats, so we dont need to check to much */ /* avoid dupplicate Formats, so we dont need to check to much */
srcFormat = remove_dup_fourcc(srcFormat); srcFormat = remove_dup_fourcc(srcFormat);
dstFormat = remove_dup_fourcc(dstFormat); dstFormat = remove_dup_fourcc(dstFormat);
unscaled = (srcW == dstW && srcH == dstH); unscaled = (srcW == dstW && srcH == dstH);
needsDither= (isBGR(dstFormat) || isRGB(dstFormat))
&& (dstFormat&0xFF)<24
&& ((dstFormat&0xFF)<(srcFormat&0xFF) || (!(isRGB(srcFormat) || isBGR(srcFormat))));
if(!isSupportedIn(srcFormat)) if(!isSupportedIn(srcFormat))
{ {
@ -2106,144 +2012,26 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH,
return c; return c;
} }
/* bgr32to24 & rgb32to24*/
if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR24)
||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB24))
{
c->swScale= bgr32to24Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr32to16 & rgb32to16*/
if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR16)
||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB16))
{
c->swScale= bgr32to16Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr32to15 & rgb32to15*/
if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR15)
||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB15))
{
c->swScale= bgr32to15Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr24to32 & rgb24to32*/
if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR32)
||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB32))
{
c->swScale= bgr24to32Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr24to16 & rgb24to16*/
if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR16)
||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB16))
{
c->swScale= bgr24to16Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr24to15 & rgb24to15*/
if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR15)
||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB15))
{
c->swScale= bgr24to15Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
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)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
/* bgr15to24 */
if((srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR24)
||(srcFormat==IMGFMT_RGB15 && dstFormat==IMGFMT_RGB24))
{
c->swScale= bgr15to24Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
#if 0 //segfaults
/* bgr15to32 */
if((srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR32)
||(srcFormat==IMGFMT_RGB15 && dstFormat==IMGFMT_RGB32))
{
c->swScale= bgr15to32Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
#endif
/* bgr16to24 */
if((srcFormat==IMGFMT_BGR16 && dstFormat==IMGFMT_BGR24)
||(srcFormat==IMGFMT_RGB16 && dstFormat==IMGFMT_RGB24))
{
c->swScale= bgr16to24Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
#if 0 //segfaults
/* bgr16to32 */
if((srcFormat==IMGFMT_BGR16 && dstFormat==IMGFMT_BGR32)
||(srcFormat==IMGFMT_RGB16 && dstFormat==IMGFMT_RGB32))
{
c->swScale= bgr16to32Wrapper;
if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
return c;
}
#endif
/* bgr24toYV12 */ /* bgr24toYV12 */
if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12) if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12)
{
c->swScale= bgr24toyv12Wrapper; c->swScale= bgr24toyv12Wrapper;
/* rgb/bgr -> rgb/bgr (no dither needed forms) */
if( (isBGR(srcFormat) || isRGB(srcFormat))
&& (isBGR(dstFormat) || isRGB(dstFormat))
&& !needsDither)
c->swScale= rgb2rgbWrapper;
/* LQ converters if -sws 0 or -sws 4*/
if(c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){
/* rgb/bgr -> rgb/bgr (dither needed forms) */
if( (isBGR(srcFormat) || isRGB(srcFormat))
&& (isBGR(dstFormat) || isRGB(dstFormat))
&& needsDither)
c->swScale= rgb2rgbWrapper;
}
if(c->swScale){
if(flags&SWS_PRINT_INFO) if(flags&SWS_PRINT_INFO)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat)); vo_format_name(srcFormat), vo_format_name(dstFormat));