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Add support for YUVJ formats 

Originally committed as revision 19993 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Luca Abeni 2006-09-27 11:41:36 +00:00
parent a2eb288ac7
commit 44cdb42386
1 changed files with 22 additions and 1 deletions
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23
libswscale/swscale.c
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@ -1841,6 +1841,23 @@ int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int
return 0;
}
static int handle_jpeg(int *format)
{
switch (*format) {
case PIX_FMT_YUVJ420P:
*format = PIX_FMT_YUV420P;
return 1;
case PIX_FMT_YUVJ422P:
*format = PIX_FMT_YUV422P;
return 1;
case PIX_FMT_YUVJ444P:
*format = PIX_FMT_YUV444P;
return 1;
default:
return 0;
}
}
SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){
@ -1848,6 +1865,7 @@ SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH
int i;
int usesVFilter, usesHFilter;
int unscaled, needsDither;
int srcRange, dstRange;
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
#if defined(ARCH_X86) || defined(ARCH_X86_64)
if(flags & SWS_CPU_CAPS_MMX)
@ -1874,6 +1892,9 @@ SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH
&& (fmt_depth(dstFormat))<24
&& ((fmt_depth(dstFormat))<(fmt_depth(srcFormat)) || (!(isRGB(srcFormat) || isBGR(srcFormat))));
srcRange = handle_jpeg(&srcFormat);
dstRange = handle_jpeg(&dstFormat);
if(!isSupportedIn(srcFormat))
{
MSG_ERR("swScaler: %s is not supported as input format\n", sws_format_name(srcFormat));
@ -1951,7 +1972,7 @@ SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH
c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
sws_setColorspaceDetails(c, Inverse_Table_6_9[SWS_CS_DEFAULT], 0, Inverse_Table_6_9[SWS_CS_DEFAULT] /* FIXME*/, 0, 0, 1<<16, 1<<16);
sws_setColorspaceDetails(c, Inverse_Table_6_9[SWS_CS_DEFAULT], srcRange, Inverse_Table_6_9[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16);
/* unscaled special Cases */
if(unscaled && !usesHFilter && !usesVFilter)