From edf97a75f98896965f78a13010f318b234bed9fa Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 18 Mar 2007 12:31:53 +0000 Subject: [PATCH] fix full range (jpeg yuv) chroma Originally committed as revision 22713 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale --- libswscale/swscale.c | 7 ++++++- libswscale/yuv2rgb.c | 5 +++++ libswscale/yuv2rgb_init.c | 5 +++++ 3 files changed, 16 insertions(+), 1 deletion(-) diff --git a/libswscale/swscale.c b/libswscale/swscale.c index f034c54071..f6a23425bf 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -1876,7 +1876,12 @@ int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange if(!srcRange){ cy= (cy*255) / 219; oy= 16<<16; - } + }else{ + crv= (crv*224) / 255; + cbu= (cbu*224) / 255; + cgu= (cgu*224) / 255; + cgv= (cgv*224) / 255; + } cy = (cy *contrast )>>16; crv= (crv*contrast * saturation)>>32; diff --git a/libswscale/yuv2rgb.c b/libswscale/yuv2rgb.c index 3e81866498..af7f86f401 100644 --- a/libswscale/yuv2rgb.c +++ b/libswscale/yuv2rgb.c @@ -670,6 +670,11 @@ int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, if(!fullRange){ cy= (cy*255) / 219; oy= 16<<16; + }else{ + crv= (crv*224) / 255; + cbu= (cbu*224) / 255; + cgu= (cgu*224) / 255; + cgv= (cgv*224) / 255; } cy = (cy *contrast )>>16; diff --git a/libswscale/yuv2rgb_init.c b/libswscale/yuv2rgb_init.c index 14c46b0e40..371dce5da2 100644 --- a/libswscale/yuv2rgb_init.c +++ b/libswscale/yuv2rgb_init.c @@ -263,6 +263,11 @@ int yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, if (fullRange) { cy = 1 << 16; oy = 0; + crv= (crv*224) / 255; + cbu= (cbu*224) / 255; + cgu= (cgu*224) / 255; + cgv= (cgv*224) / 255; + //FIXME maybe its cleaner if the tables where based on full range (*244/255) } else { cy = ((1 << 16) * 255) / 219; oy= 16 << 16;