Move dither tables from yuv2rgb to swscale, they have been written by me and

can be used under LGPL.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27609 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 106 insertions, 5 deletions

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index e8fd0d1727..8e74d2e297 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -262,11 +262,112 @@ static unsigned char clip_table[768];
 
 static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b);
 
-extern const uint8_t dither_2x2_4[2][8];
-extern const uint8_t dither_2x2_8[2][8];
-extern const uint8_t dither_8x8_32[8][8];
-extern const uint8_t dither_8x8_73[8][8];
-extern const uint8_t dither_8x8_220[8][8];
+const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={
+{  1,   3,   1,   3,   1,   3,   1,   3, },
+{  2,   0,   2,   0,   2,   0,   2,   0, },
+};
+
+const uint8_t  __attribute__((aligned(8))) dither_2x2_8[2][8]={
+{  6,   2,   6,   2,   6,   2,   6,   2, },
+{  0,   4,   0,   4,   0,   4,   0,   4, },
+};
+
+const uint8_t  __attribute__((aligned(8))) dither_8x8_32[8][8]={
+{ 17,   9,  23,  15,  16,   8,  22,  14, },
+{  5,  29,   3,  27,   4,  28,   2,  26, },
+{ 21,  13,  19,  11,  20,  12,  18,  10, },
+{  0,  24,   6,  30,   1,  25,   7,  31, },
+{ 16,   8,  22,  14,  17,   9,  23,  15, },
+{  4,  28,   2,  26,   5,  29,   3,  27, },
+{ 20,  12,  18,  10,  21,  13,  19,  11, },
+{  1,  25,   7,  31,   0,  24,   6,  30, },
+};
+
+#if 0
+const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={
+{  0,  48,  12,  60,   3,  51,  15,  63, },
+{ 32,  16,  44,  28,  35,  19,  47,  31, },
+{  8,  56,   4,  52,  11,  59,   7,  55, },
+{ 40,  24,  36,  20,  43,  27,  39,  23, },
+{  2,  50,  14,  62,   1,  49,  13,  61, },
+{ 34,  18,  46,  30,  33,  17,  45,  29, },
+{ 10,  58,   6,  54,   9,  57,   5,  53, },
+{ 42,  26,  38,  22,  41,  25,  37,  21, },
+};
+#endif
+
+const uint8_t  __attribute__((aligned(8))) dither_8x8_73[8][8]={
+{  0,  55,  14,  68,   3,  58,  17,  72, },
+{ 37,  18,  50,  32,  40,  22,  54,  35, },
+{  9,  64,   5,  59,  13,  67,   8,  63, },
+{ 46,  27,  41,  23,  49,  31,  44,  26, },
+{  2,  57,  16,  71,   1,  56,  15,  70, },
+{ 39,  21,  52,  34,  38,  19,  51,  33, },
+{ 11,  66,   7,  62,  10,  65,   6,  60, },
+{ 48,  30,  43,  25,  47,  29,  42,  24, },
+};
+
+#if 0
+const uint8_t  __attribute__((aligned(8))) dither_8x8_128[8][8]={
+{ 68,  36,  92,  60,  66,  34,  90,  58, },
+{ 20, 116,  12, 108,  18, 114,  10, 106, },
+{ 84,  52,  76,  44,  82,  50,  74,  42, },
+{  0,  96,  24, 120,   6, 102,  30, 126, },
+{ 64,  32,  88,  56,  70,  38,  94,  62, },
+{ 16, 112,   8, 104,  22, 118,  14, 110, },
+{ 80,  48,  72,  40,  86,  54,  78,  46, },
+{  4, 100,  28, 124,   2,  98,  26, 122, },
+};
+#endif
+
+#if 1
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{117,  62, 158, 103, 113,  58, 155, 100, },
+{ 34, 199,  21, 186,  31, 196,  17, 182, },
+{144,  89, 131,  76, 141,  86, 127,  72, },
+{  0, 165,  41, 206,  10, 175,  52, 217, },
+{110,  55, 151,  96, 120,  65, 162, 107, },
+{ 28, 193,  14, 179,  38, 203,  24, 189, },
+{138,  83, 124,  69, 148,  93, 134,  79, },
+{  7, 172,  48, 213,   3, 168,  45, 210, },
+};
+#elif 1
+// tries to correct a gamma of 1.5
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{  0, 143,  18, 200,   2, 156,  25, 215, },
+{ 78,  28, 125,  64,  89,  36, 138,  74, },
+{ 10, 180,   3, 161,  16, 195,   8, 175, },
+{109,  51,  93,  38, 121,  60, 105,  47, },
+{  1, 152,  23, 210,   0, 147,  20, 205, },
+{ 85,  33, 134,  71,  81,  30, 130,  67, },
+{ 14, 190,   6, 171,  12, 185,   5, 166, },
+{117,  57, 101,  44, 113,  54,  97,  41, },
+};
+#elif 1
+// tries to correct a gamma of 2.0
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{  0, 124,   8, 193,   0, 140,  12, 213, },
+{ 55,  14, 104,  42,  66,  19, 119,  52, },
+{  3, 168,   1, 145,   6, 187,   3, 162, },
+{ 86,  31,  70,  21,  99,  39,  82,  28, },
+{  0, 134,  11, 206,   0, 129,   9, 200, },
+{ 62,  17, 114,  48,  58,  16, 109,  45, },
+{  5, 181,   2, 157,   4, 175,   1, 151, },
+{ 95,  36,  78,  26,  90,  34,  74,  24, },
+};
+#else
+// tries to correct a gamma of 2.5
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{  0, 107,   3, 187,   0, 125,   6, 212, },
+{ 39,   7,  86,  28,  49,  11, 102,  36, },
+{  1, 158,   0, 131,   3, 180,   1, 151, },
+{ 68,  19,  52,  12,  81,  25,  64,  17, },
+{  0, 119,   5, 203,   0, 113,   4, 195, },
+{ 45,   9,  96,  33,  42,   8,  91,  30, },
+{  2, 172,   1, 144,   2, 165,   0, 137, },
+{ 77,  23,  60,  15,  72,  21,  56,  14, },
+};
+#endif
 
 const char *sws_format_name(enum PixelFormat format)
 {