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8bpp bugfixes (brightness, contrast ...)
4bpp Originally committed as revision 6454 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
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@ -87,20 +87,42 @@ uint64_t __attribute__((aligned(8))) dither8[2]={
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0x0602060206020602LL,
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0x0004000400040004LL,};
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uint8_t __attribute__((aligned(8))) dither32[4][8]={
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uint8_t __attribute__((aligned(8))) dither_4x4_32[4][8]={
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{ 0,16, 6,22, 0,16, 6,22},
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{28, 8,24,14,28, 8,24,14},
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{ 4,20, 2,18, 4,20, 2,18},
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{26,12,30,10,26,12,30,10},
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};
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uint8_t __attribute__((aligned(8))) dither64[4][8]={
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uint8_t __attribute__((aligned(8))) dither_4x4_64[4][8]={
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{ 8,40, 4,36, 8,40, 4,36,},
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{52,24,60,20,52,24,60,20,},
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{00,32,12,44,00,32,12,44,},
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{56,16,48,28,56,16,48,28,},
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};
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uint8_t __attribute__((aligned(8))) dither_8x8_64[8][8]={
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{ 0, 48, 12, 60, 3, 51, 15, 63, },
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{ 32, 16, 44, 28, 35, 19, 47, 31, },
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{ 8, 56, 4, 52, 11, 59, 7, 55, },
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{ 40, 24, 36, 20, 43, 27, 39, 23, },
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{ 2, 50, 14, 62, 1, 49, 13, 61, },
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{ 34, 18, 46, 30, 33, 17, 45, 29, },
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{ 10, 58, 6, 54, 9, 57, 5, 53, },
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{ 42, 26, 38, 22, 41, 25, 37, 21, },
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};
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uint8_t __attribute__((aligned(8))) dither_8x8_128[8][8]={
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{ 68, 36, 92, 60, 66, 34, 90, 58, },
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{ 20, 116, 12, 108, 18, 114, 10, 106, },
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{ 84, 52, 76, 44, 82, 50, 74, 42, },
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{ 0, 96, 24, 120, 6, 102, 30, 126, },
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{ 64, 32, 88, 56, 70, 38, 94, 62, },
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{ 16, 112, 8, 104, 22, 118, 14, 110, },
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{ 80, 48, 72, 40, 86, 54, 78, 46, },
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{ 4, 100, 28, 124, 2, 98, 26, 122, },
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};
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#undef HAVE_MMX
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#undef ARCH_X86
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@ -447,7 +469,6 @@ static void yuv2rgb_c_8 (uint8_t * py_1, uint8_t * py_2,
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}
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}
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// This is exactly the same code as yuv2rgb_c_32 except for the types of
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// r, g, b, dst_1, dst_2
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static void yuv2rgb_c_8_ordered_dither (uint8_t * py_1, uint8_t * py_2,
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uint8_t * pu, uint8_t * pv,
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@ -462,8 +483,8 @@ static void yuv2rgb_c_8_ordered_dither (uint8_t * py_1, uint8_t * py_2,
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dst_2 = _dst_2;
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while (h_size--) {
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uint8_t *d32= dither32[v_pos&3];
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uint8_t *d64= dither64[v_pos&3];
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uint8_t *d32= dither_4x4_32[v_pos&3];
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uint8_t *d64= dither_4x4_64[v_pos&3];
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#define DST1a(i) \
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Y = py_1[2*i]; \
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@ -514,6 +535,102 @@ static void yuv2rgb_c_8_ordered_dither (uint8_t * py_1, uint8_t * py_2,
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}
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}
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// This is exactly the same code as yuv2rgb_c_32 except for the types of
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// r, g, b, dst_1, dst_2
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static void yuv2rgb_c_4 (uint8_t * py_1, uint8_t * py_2,
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uint8_t * pu, uint8_t * pv,
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void * _dst_1, void * _dst_2, int h_size, int v_pos)
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{
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int U, V, Y, out;
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uint8_t * r, * g, * b;
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uint8_t * dst_1, * dst_2;
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h_size >>= 3;
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dst_1 = _dst_1;
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dst_2 = _dst_2;
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while (h_size--) {
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RGB(0);
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DST1(0);
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DST2(0);
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RGB(1);
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DST2(1);
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DST1(1);
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RGB(2);
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DST1(2);
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DST2(2);
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RGB(3);
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DST2(3);
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DST1(3);
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pu += 4;
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pv += 4;
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py_1 += 8;
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py_2 += 8;
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dst_1 += 8;
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dst_2 += 8;
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}
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}
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static void yuv2rgb_c_4_ordered_dither (uint8_t * py_1, uint8_t * py_2,
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uint8_t * pu, uint8_t * pv,
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void * _dst_1, void * _dst_2, int h_size, int v_pos)
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{
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int U, V, Y;
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uint8_t * r, * g, * b;
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uint8_t * dst_1, * dst_2;
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h_size >>= 3;
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dst_1 = _dst_1;
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dst_2 = _dst_2;
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while (h_size--) {
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uint8_t *d64= dither_8x8_64 [v_pos&7];
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uint8_t *d128=dither_8x8_128[v_pos&7];
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#define DST1bpp4(i,o) \
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Y = py_1[2*i]; \
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dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]]; \
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Y = py_1[2*i+1]; \
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dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
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#define DST2bpp4(i,o) \
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Y = py_2[2*i]; \
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dst_2[2*i] = r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]]; \
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Y = py_2[2*i+1]; \
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dst_2[2*i+1] = r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
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RGB(0);
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DST1bpp4(0,0);
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DST2bpp4(0,0);
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RGB(1);
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DST2bpp4(1,2);
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DST1bpp4(1,2);
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RGB(2);
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DST1bpp4(2,4);
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DST2bpp4(2,4);
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RGB(3);
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DST2bpp4(3,6);
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DST1bpp4(3,6);
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pu += 4;
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pv += 4;
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py_1 += 8;
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py_2 += 8;
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dst_1 += 8;
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dst_2 += 8;
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}
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}
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static int div_round (int dividend, int divisor)
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{
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if (dividend > 0)
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@ -530,6 +647,8 @@ static void yuv2rgb_c_init (int bpp, int mode)
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uint16_t *table_16 = 0;
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uint8_t *table_8 = 0;
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uint8_t *table_332 = 0;
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uint8_t *table_121 = 0;
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uint8_t *table_1 = 0;
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int entry_size = 0;
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void *table_r = 0, *table_g = 0, *table_b = 0;
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@ -623,7 +742,8 @@ static void yuv2rgb_c_init (int bpp, int mode)
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table_g = table_332 + 197 + 2*682;
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for (i = -197; i < 256+197; i++) {
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int j = table_Y[i+384] >> 5;
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int j = (table_Y[i+384] - 16) >> 5;
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if(j<0) j=0;
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if (mode == MODE_RGB)
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j <<= 5;
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@ -631,7 +751,8 @@ static void yuv2rgb_c_init (int bpp, int mode)
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((uint8_t *)table_r)[i] = j;
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}
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for (i = -132; i < 256+132; i++) {
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int j = table_Y[i+384] >> 5;
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int j = (table_Y[i+384] - 16) >> 5;
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if(j<0) j=0;
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if (mode == MODE_BGR)
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j <<= 1;
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@ -639,7 +760,8 @@ static void yuv2rgb_c_init (int bpp, int mode)
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((uint8_t *)table_g)[i] = j << 2;
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}
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for (i = -232; i < 256+232; i++) {
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int j = table_Y[i+384] >> 6;
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int j = (table_Y[i+384] - 32) >> 6;
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if(j<0) j=0;
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if (mode == MODE_BGR)
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j <<= 6;
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@ -647,6 +769,41 @@ static void yuv2rgb_c_init (int bpp, int mode)
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((uint8_t *)table_b)[i] = j;
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}
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break;
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case 4:
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yuv2rgb_c_internal = yuv2rgb_c_4_ordered_dither; //yuv2rgb_c_4;
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table_121 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
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entry_size = sizeof (uint8_t);
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table_r = table_121 + 197;
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table_b = table_121 + 197 + 685;
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table_g = table_121 + 197 + 2*682;
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for (i = -197; i < 256+197; i++) {
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int j = (table_Y[i+384] - 64) >> 7;
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if(j<0) j=0;
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if (mode == MODE_RGB)
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j <<= 3;
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((uint8_t *)table_r)[i] = j;
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}
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for (i = -132; i < 256+132; i++) {
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int j = (table_Y[i+384] - 32) >> 6;
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if(j<0) j=0;
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((uint8_t *)table_g)[i] = j << 1;
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}
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for (i = -232; i < 256+232; i++) {
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int j =(table_Y[i+384] - 64) >> 7;
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if(j<0) j=0;
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if (mode == MODE_BGR)
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j <<= 3;
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((uint8_t *)table_b)[i] = j;
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}
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break;
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default:
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mp_msg(MSGT_SWS,MSGL_ERR,"%ibpp not supported by yuv2rgb\n", bpp);
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