[Mplayer-cvslog] CVS: main/postproc swscale.c,1.101,1.102
Michael Niedermayer
michael at mplayerhq.hu
Sun Jun 30 22:34:57 CEST 2002
Update of /cvsroot/mplayer/main/postproc
In directory mail:/var/tmp.root/cvs-serv28336
Modified Files:
swscale.c
Log Message:
using the new rgb2rgb converters (the LQ ones are only used if -sws 0 or -sws 4)
Index: swscale.c
===================================================================
RCS file: /cvsroot/mplayer/main/postproc/swscale.c,v
retrieving revision 1.101
retrieving revision 1.102
diff -u -r1.101 -r1.102
--- swscale.c 27 Jun 2002 23:48:53 -0000 1.101
+++ swscale.c 30 Jun 2002 20:34:54 -0000 1.102
@@ -19,23 +19,26 @@
/*
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
- BGR15/16 support dithering
+ {BGR,RGB}{1,4,8,15,16} support dithering
- unscaled special converters
- YV12/I420/IYUV -> BGR15/BGR16/BGR24/BGR32
- YV12/I420/IYUV -> YV12/I420/IYUV
- YUY2/BGR15/BGR16/BGR24/BGR32/RGB24/RGB32 -> same format
+ unscaled special converters (YV12=I420=IYUV, Y800=Y8)
+ YV12 -> {BGR,RGB}{1,4,8,15,16,24,32}
+ x -> x
+ YUV9 -> YV12
+ YUV9/YV12 -> Y800
+ Y800 -> YUV9/YV12
BGR24 -> BGR32 & RGB24 -> RGB32
BGR32 -> BGR24 & RGB32 -> RGB24
BGR15 -> BGR16
*/
/*
-tested special converters
- YV12/I420 -> BGR16
+tested special converters (most are tested actually but i didnt write it down ...)
+ YV12 -> BGR16
YV12 -> YV12
BGR15 -> BGR16
BGR16 -> BGR16
+ YVU9 -> YV12
untested special converters
YV12/I420 -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok)
@@ -291,8 +294,17 @@
SwsContext *srcContext, *dstContext, *outContext;
for(i=0; i<3; i++){
- srcStride[i]= srcW*4;
- dstStride[i]= dstW*4;
+ // avoid stride % bpp != 0
+ if(srcFormat==IMGFMT_RGB24 || srcFormat==IMGFMT_BGR24)
+ srcStride[i]= srcW*3;
+ else
+ srcStride[i]= srcW*4;
+
+ if(dstFormat==IMGFMT_RGB24 || dstFormat==IMGFMT_BGR24)
+ dstStride[i]= dstW*3;
+ else
+ dstStride[i]= dstW*4;
+
src[i]= malloc(srcStride[i]*srcH);
dst[i]= malloc(dstStride[i]*dstH);
out[i]= malloc(refStride[i]*h);
@@ -355,6 +367,9 @@
dstFormat= testFormat[dstFormatIndex];
if(!dstFormat) break;
if(!isSupportedOut(dstFormat)) continue;
+printf("%s -> %s\n",
+ vo_format_name(srcFormat),
+ vo_format_name(dstFormat));
srcW= w+w/3;
srcH= h+h/3;
@@ -1545,211 +1560,97 @@
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,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
-
- if(dstStride[0]*3==srcStride[0]*4)
- rgb24to32(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++)
- {
- rgb24to32(srcPtr, dstPtr, c->srcW*3);
- 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];
+/* {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[]){
+ 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;
+
+ /* BGR -> BGR */
+ 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;
}
- }
-}
-
-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]);
+ }
+ if(dstStride[0]*srcBpp == srcStride[0]*dstBpp)
+ conv(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
else
{
int i;
@@ -1758,7 +1659,7 @@
for(i=0; i<srcSliceH; i++)
{
- rgb16to32(srcPtr, dstPtr, c->srcW<<1);
+ conv(srcPtr, dstPtr, c->srcW*srcBpp);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
@@ -1826,7 +1727,7 @@
sortedStride[1]=
sortedStride[2]= 0;
}
- else /* I420 */
+ else if(format == IMGFMT_I420)
{
sortedP[0]= p[0];
sortedP[1]= p[2];
@@ -1834,6 +1735,8 @@
sortedStride[0]= stride[0];
sortedStride[1]= stride[2];
sortedStride[2]= stride[1];
+ }else{
+ MSG_ERR("internal error in orderYUV\n");
}
}
@@ -1948,7 +1851,7 @@
SwsContext *c;
int i;
int usesFilter;
- int unscaled;
+ int unscaled, needsDither;
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
#ifdef ARCH_X86
if(gCpuCaps.hasMMX)
@@ -1956,12 +1859,15 @@
#endif
if(swScale==NULL) globalInit();
//srcFormat= IMGFMT_Y800;
-//srcFormat= IMGFMT_YVU9;
+//dstFormat= IMGFMT_Y800;
/* avoid dupplicate Formats, so we dont need to check to much */
srcFormat = remove_dup_fourcc(srcFormat);
dstFormat = remove_dup_fourcc(dstFormat);
unscaled = (srcW == dstW && srcH == dstH);
+ needsDither= (isBGR(dstFormat) || isRGB(dstFormat))
+ && (dstFormat&0xFF)<24
+ && ((dstFormat&0xFF)<(srcFormat&0xFF) || (!(isRGB(srcFormat) || isBGR(srcFormat))));
if(!isSupportedIn(srcFormat))
{
@@ -2106,144 +2012,26 @@
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 */
if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12)
- {
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)
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
vo_format_name(srcFormat), vo_format_name(dstFormat));
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