fixing rgb4 & bgr4 (2 pixels per byte)
authorMichael Niedermayer <michaelni@gmx.at>
Thu, 30 Jan 2003 09:15:09 +0000 (09:15 +0000)
committerMichael Niedermayer <michaelni@gmx.at>
Thu, 30 Jan 2003 09:15:09 +0000 (09:15 +0000)
adding bg4b & rg4b (1 pixel per byte)

Originally committed as revision 9172 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

postproc/swscale.c
postproc/yuv2rgb.c

index 9ee5b6d..2a6a53f 100644 (file)
@@ -587,6 +587,17 @@ static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
                        const uint8_t * const d64= dither_8x8_73 [y&7];\
                        const uint8_t * const d128=dither_8x8_220[y&7];\
                        func(uint8_t)\
+                               ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
+                                                + ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
+                       }\
+               }\
+               break;\
+       case IMGFMT_RG4B:\
+       case IMGFMT_BG4B:\
+               {\
+                       const uint8_t * const d64= dither_8x8_73 [y&7];\
+                       const uint8_t * const d128=dither_8x8_220[y&7];\
+                       func(uint8_t)\
                                ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
                                ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
                        }\
@@ -751,6 +762,17 @@ static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **l
                        const uint8_t * const d64= dither_8x8_73 [y&7];
                        const uint8_t * const d128=dither_8x8_220[y&7];
                        YSCALE_YUV_2_RGBX_C(uint8_t)
+                               ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];
+                                                 +((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);
+                       }
+               }
+               break;
+       case IMGFMT_RG4B:
+       case IMGFMT_BG4B:
+               {
+                       const uint8_t * const d64= dither_8x8_73 [y&7];
+                       const uint8_t * const d128=dither_8x8_220[y&7];
+                       YSCALE_YUV_2_RGBX_C(uint8_t)
                                ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];
                                ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];
                        }
index cec5f3f..658d8a3 100644 (file)
@@ -609,6 +609,118 @@ static void yuv2rgb_c_4  (uint8_t * py_1, uint8_t * py_2,
     dst_2 = _dst_2;
 
     while (h_size--) {
+        int acc;
+#define DST1_4(i)                                      \
+       Y = py_1[2*i];                          \
+       acc = r[Y] + g[Y] + b[Y];       \
+       Y = py_1[2*i+1];                        \
+        acc |= (r[Y] + g[Y] + b[Y])<<4;\
+       dst_1[i] = acc; 
+
+#define DST2_4(i)                                      \
+       Y = py_2[2*i];                          \
+       acc = r[Y] + g[Y] + b[Y];       \
+       Y = py_2[2*i+1];                        \
+       acc |= (r[Y] + g[Y] + b[Y])<<4;\
+       dst_2[i] = acc; 
+       
+        RGB(0);
+       DST1_4(0);
+       DST2_4(0);
+
+       RGB(1);
+       DST2_4(1);
+       DST1_4(1);
+
+       RGB(2);
+       DST1_4(2);
+       DST2_4(2);
+
+       RGB(3);
+       DST2_4(3);
+       DST1_4(3);
+
+       pu += 4;
+       pv += 4;
+       py_1 += 8;
+       py_2 += 8;
+       dst_1 += 4;
+       dst_2 += 4;
+    }
+}
+
+static void yuv2rgb_c_4_ordered_dither  (uint8_t * py_1, uint8_t * py_2,
+                         uint8_t * pu, uint8_t * pv,
+                         void * _dst_1, void * _dst_2, int h_size, int v_pos)
+{
+    int U, V, Y;
+    uint8_t * r, * g, * b;
+    uint8_t * dst_1, * dst_2;
+
+    h_size >>= 3;
+    dst_1 = _dst_1;
+    dst_2 = _dst_2;
+
+    while (h_size--) {
+       const uint8_t *d64= dither_8x8_73[v_pos&7];
+       const uint8_t *d128=dither_8x8_220[v_pos&7];
+        int acc;
+
+#define DST1bpp4(i,o)                                  \
+       Y = py_1[2*i];                          \
+       acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];  \
+       Y = py_1[2*i+1];                        \
+       acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;\
+        dst_1[i]= acc;
+
+#define DST2bpp4(i,o)                                  \
+       Y = py_2[2*i];                          \
+       acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]]; \
+       Y = py_2[2*i+1];                        \
+       acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4;\
+        dst_2[i]= acc;
+
+
+       RGB(0);
+       DST1bpp4(0,0);
+       DST2bpp4(0,0);
+
+       RGB(1);
+       DST2bpp4(1,2);
+       DST1bpp4(1,2);
+
+       RGB(2);
+       DST1bpp4(2,4);
+       DST2bpp4(2,4);
+
+       RGB(3);
+       DST2bpp4(3,6);
+       DST1bpp4(3,6);
+
+       pu += 4;
+       pv += 4;
+       py_1 += 8;
+       py_2 += 8;
+       dst_1 += 4;
+       dst_2 += 4;
+    }
+}
+
+// This is exactly the same code as yuv2rgb_c_32 except for the types of
+// r, g, b, dst_1, dst_2
+static void yuv2rgb_c_4b  (uint8_t * py_1, uint8_t * py_2,
+                         uint8_t * pu, uint8_t * pv,
+                         void * _dst_1, void * _dst_2, int h_size, int v_pos)
+{
+    int U, V, Y;
+    uint8_t * r, * g, * b;
+    uint8_t * dst_1, * dst_2;
+
+    h_size >>= 3;
+    dst_1 = _dst_1;
+    dst_2 = _dst_2;
+
+    while (h_size--) {
        RGB(0);
        DST1(0);
        DST2(0);
@@ -634,7 +746,7 @@ static void yuv2rgb_c_4  (uint8_t * py_1, uint8_t * py_2,
     }
 }
 
-static void yuv2rgb_c_4_ordered_dither  (uint8_t * py_1, uint8_t * py_2,
+static void yuv2rgb_c_4b_ordered_dither  (uint8_t * py_1, uint8_t * py_2,
                          uint8_t * pu, uint8_t * pv,
                          void * _dst_1, void * _dst_2, int h_size, int v_pos)
 {
@@ -650,13 +762,13 @@ static void yuv2rgb_c_4_ordered_dither  (uint8_t * py_1, uint8_t * py_2,
        const uint8_t *d64= dither_8x8_73[v_pos&7];
        const uint8_t *d128=dither_8x8_220[v_pos&7];
 
-#define DST1bpp4(i,o)                                  \
+#define DST1bpp4b(i,o)                                 \
        Y = py_1[2*i];                          \
        dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];   \
        Y = py_1[2*i+1];                        \
        dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
 
-#define DST2bpp4(i,o)                                  \
+#define DST2bpp4b(i,o)                                 \
        Y = py_2[2*i];                          \
        dst_2[2*i] =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];  \
        Y = py_2[2*i+1];                        \
@@ -664,20 +776,20 @@ static void yuv2rgb_c_4_ordered_dither  (uint8_t * py_1, uint8_t * py_2,
 
 
        RGB(0);
-       DST1bpp4(0,0);
-       DST2bpp4(0,0);
+       DST1bpp4b(0,0);
+       DST2bpp4b(0,0);
 
        RGB(1);
-       DST2bpp4(1,2);
-       DST1bpp4(1,2);
+       DST2bpp4b(1,2);
+       DST1bpp4b(1,2);
 
        RGB(2);
-       DST1bpp4(2,4);
-       DST2bpp4(2,4);
+       DST1bpp4b(2,4);
+       DST2bpp4b(2,4);
 
        RGB(3);
-       DST2bpp4(3,6);
-       DST1bpp4(3,6);
+       DST2bpp4b(3,6);
+       DST1bpp4b(3,6);
 
        pu += 4;
        pv += 4;
@@ -879,7 +991,11 @@ void *yuv2rgb_c_init (unsigned bpp, int mode, void *table_rV[256], void *table_g
        }
        break;
     case 4:
-       yuv2rgb_c_internal = yuv2rgb_c_4_ordered_dither; //yuv2rgb_c_4;
+    case 4|128:
+        if(bpp==4)
+           yuv2rgb_c_internal = yuv2rgb_c_4_ordered_dither; //yuv2rgb_c_4;
+        else
+           yuv2rgb_c_internal = yuv2rgb_c_4b_ordered_dither; //yuv2rgb_c_4;
 
        table_start= table_121 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));