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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2010-07-24 11:19:35 +0000
committerStefano Sabatini <stefano.sabatini-lala@poste.it>2010-07-24 11:19:35 +0000
commit24911613a5f06a749758d41157e7e30156738e2f (patch)
tree9520bf331f77e152b533b8bb7483d44263e8ff10 /libswscale/swscale.c
parent496c645d3b3bb5ded7f5ce918ca21d3acac6b8df (diff)
downloadffmpeg-streaming-24911613a5f06a749758d41157e7e30156738e2f.zip
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Add some comments to the rgb2yuv_table, clarifying the standard where
are defined. Originally committed as revision 31778 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale/swscale.c')
-rw-r--r--libswscale/swscale.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 158ba7f..7a18cf2 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -97,13 +97,13 @@ untested special converters
#define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5))
static const double rgb2yuv_table[8][9]={
- {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
- {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
+ {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709
+ {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, //ITU709
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
{0.59 , 0.11 , 0.30 , -0.331, 0.5, -0.169, -0.421, -0.079, 0.5}, //FCC
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
- {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //SMPTE 170M
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
+ {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //DEFAULT / ITU601 / ITU624 / SMPTE 170M
{0.701 , 0.087 , 0.212 , -0.384, 0.5 -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M
};
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