diff options
Diffstat (limited to 'libswscale/swscale_unscaled.c')
| -rw-r--r-- | libswscale/swscale_unscaled.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c index e1ba79926d..dd7b04c1eb 100644 --- a/libswscale/swscale_unscaled.c +++ b/libswscale/swscale_unscaled.c @@ -45,6 +45,102 @@ #define RV ( (int) (0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) #define RU (-(int) (0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +DECLARE_ALIGNED(8, const uint8_t, dithers)[8][8][8]={ +{ + { 0, 1, 0, 1, 0, 1, 0, 1,}, + { 1, 0, 1, 0, 1, 0, 1, 0,}, + { 0, 1, 0, 1, 0, 1, 0, 1,}, + { 1, 0, 1, 0, 1, 0, 1, 0,}, + { 0, 1, 0, 1, 0, 1, 0, 1,}, + { 1, 0, 1, 0, 1, 0, 1, 0,}, + { 0, 1, 0, 1, 0, 1, 0, 1,}, + { 1, 0, 1, 0, 1, 0, 1, 0,}, +},{ + { 1, 2, 1, 2, 1, 2, 1, 2,}, + { 3, 0, 3, 0, 3, 0, 3, 0,}, + { 1, 2, 1, 2, 1, 2, 1, 2,}, + { 3, 0, 3, 0, 3, 0, 3, 0,}, + { 1, 2, 1, 2, 1, 2, 1, 2,}, + { 3, 0, 3, 0, 3, 0, 3, 0,}, + { 1, 2, 1, 2, 1, 2, 1, 2,}, + { 3, 0, 3, 0, 3, 0, 3, 0,}, +},{ + { 2, 4, 3, 5, 2, 4, 3, 5,}, + { 6, 0, 7, 1, 6, 0, 7, 1,}, + { 3, 5, 2, 4, 3, 5, 2, 4,}, + { 7, 1, 6, 0, 7, 1, 6, 0,}, + { 2, 4, 3, 5, 2, 4, 3, 5,}, + { 6, 0, 7, 1, 6, 0, 7, 1,}, + { 3, 5, 2, 4, 3, 5, 2, 4,}, + { 7, 1, 6, 0, 7, 1, 6, 0,}, +},{ + { 4, 8, 7, 11, 4, 8, 7, 11,}, + { 12, 0, 15, 3, 12, 0, 15, 3,}, + { 6, 10, 5, 9, 6, 10, 5, 9,}, + { 14, 2, 13, 1, 14, 2, 13, 1,}, + { 4, 8, 7, 11, 4, 8, 7, 11,}, + { 12, 0, 15, 3, 12, 0, 15, 3,}, + { 6, 10, 5, 9, 6, 10, 5, 9,}, + { 14, 2, 13, 1, 14, 2, 13, 1,}, +},{ + { 9, 17, 15, 23, 8, 16, 14, 22,}, + { 25, 1, 31, 7, 24, 0, 30, 6,}, + { 13, 21, 11, 19, 12, 20, 10, 18,}, + { 29, 5, 27, 3, 28, 4, 26, 2,}, + { 8, 16, 14, 22, 9, 17, 15, 23,}, + { 24, 0, 30, 6, 25, 1, 31, 7,}, + { 12, 20, 10, 18, 13, 21, 11, 19,}, + { 28, 4, 26, 2, 29, 5, 27, 3,}, +},{ + { 18, 34, 30, 46, 17, 33, 29, 45,}, + { 50, 2, 62, 14, 49, 1, 61, 13,}, + { 26, 42, 22, 38, 25, 41, 21, 37,}, + { 58, 10, 54, 6, 57, 9, 53, 5,}, + { 16, 32, 28, 44, 19, 35, 31, 47,}, + { 48, 0, 60, 12, 51, 3, 63, 15,}, + { 24, 40, 20, 36, 27, 43, 23, 39,}, + { 56, 8, 52, 4, 59, 11, 55, 7,}, +},{ + { 18, 34, 30, 46, 17, 33, 29, 45,}, + { 50, 2, 62, 14, 49, 1, 61, 13,}, + { 26, 42, 22, 38, 25, 41, 21, 37,}, + { 58, 10, 54, 6, 57, 9, 53, 5,}, + { 16, 32, 28, 44, 19, 35, 31, 47,}, + { 48, 0, 60, 12, 51, 3, 63, 15,}, + { 24, 40, 20, 36, 27, 43, 23, 39,}, + { 56, 8, 52, 4, 59, 11, 55, 7,}, +},{ + { 36, 68, 60, 92, 34, 66, 58, 90,}, + { 100, 4,124, 28, 98, 2,122, 26,}, + { 52, 84, 44, 76, 50, 82, 42, 74,}, + { 116, 20,108, 12,114, 18,106, 10,}, + { 32, 64, 56, 88, 38, 70, 62, 94,}, + { 96, 0,120, 24,102, 6,126, 30,}, + { 48, 80, 40, 72, 54, 86, 46, 78,}, + { 112, 16,104, 8,118, 22,110, 14,}, +}}; + +static const uint8_t flat64[8]={64,64,64,64,64,64,64,64}; + +const uint16_t dither_scale[15][16]={ +{ 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,}, +{ 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,}, +{ 3, 3, 4, 15, 15, 29, 57, 57, 57, 113, 113, 113, 113, 113, 113, 113,}, +{ 3, 4, 4, 5, 31, 31, 61, 121, 241, 241, 241, 241, 481, 481, 481, 481,}, +{ 3, 4, 5, 5, 6, 63, 63, 125, 249, 497, 993, 993, 993, 993, 993, 1985,}, +{ 3, 5, 6, 6, 6, 7, 127, 127, 253, 505, 1009, 2017, 4033, 4033, 4033, 4033,}, +{ 3, 5, 6, 7, 7, 7, 8, 255, 255, 509, 1017, 2033, 4065, 8129,16257,16257,}, +{ 3, 5, 6, 8, 8, 8, 8, 9, 511, 511, 1021, 2041, 4081, 8161,16321,32641,}, +{ 3, 5, 7, 8, 9, 9, 9, 9, 10, 1023, 1023, 2045, 4089, 8177,16353,32705,}, +{ 3, 5, 7, 8, 10, 10, 10, 10, 10, 11, 2047, 2047, 4093, 8185,16369,32737,}, +{ 3, 5, 7, 8, 10, 11, 11, 11, 11, 11, 12, 4095, 4095, 8189,16377,32753,}, +{ 3, 5, 7, 9, 10, 12, 12, 12, 12, 12, 12, 13, 8191, 8191,16381,32761,}, +{ 3, 5, 7, 9, 10, 12, 13, 13, 13, 13, 13, 13, 14,16383,16383,32765,}, +{ 3, 5, 7, 9, 10, 12, 14, 14, 14, 14, 14, 14, 14, 15,32767,32767,}, +{ 3, 5, 7, 9, 11, 12, 14, 15, 15, 15, 15, 15, 15, 15, 16,65535,}, +}; + + static void fillPlane(uint8_t *plane, int stride, int width, int height, int y, uint8_t val) { |