YUV into RGB48 BE/LE conversion support

Originally committed as revision 29342 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

libswscale/swscale.c

@@ -853,6 +853,24 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc
 #define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
     switch(c->dstFormat)\
     {\
+    case PIX_FMT_RGB48BE:\
+    case PIX_FMT_RGB48LE:\
+        func(uint8_t,0)\
+            ((uint8_t*)dest)[ 0]= r[Y1];\
+            ((uint8_t*)dest)[ 1]= r[Y1];\
+            ((uint8_t*)dest)[ 2]= g[Y1];\
+            ((uint8_t*)dest)[ 3]= g[Y1];\
+            ((uint8_t*)dest)[ 4]= b[Y1];\
+            ((uint8_t*)dest)[ 5]= b[Y1];\
+            ((uint8_t*)dest)[ 6]= r[Y2];\
+            ((uint8_t*)dest)[ 7]= r[Y2];\
+            ((uint8_t*)dest)[ 8]= g[Y2];\
+            ((uint8_t*)dest)[ 9]= g[Y2];\
+            ((uint8_t*)dest)[10]= b[Y2];\
+            ((uint8_t*)dest)[11]= b[Y2];\
+            dest+=12;\
+        }\
+        break;\
     case PIX_FMT_RGBA:\
     case PIX_FMT_BGRA:\
         if (CONFIG_SMALL){\

libswscale/yuv2rgb.c

@@ -80,6 +80,16 @@ const int32_t ff_yuv2rgb_coeffs[8][4] = {
     Y = ysrc[2*i+1-o];                                  \
     dst[2*i+1] = r[Y] + g[Y] + b[Y] + (asrc[2*i+1]<<s);
 
+#define PUTRGB48(dst,src,i)             \
+    Y = src[2*i];                       \
+    dst[12*i+ 0] = dst[12*i+ 1] = r[Y]; \
+    dst[12*i+ 2] = dst[12*i+ 3] = g[Y]; \
+    dst[12*i+ 4] = dst[12*i+ 5] = b[Y]; \
+    Y = src[2*i+1];                     \
+    dst[12*i+ 6] = dst[12*i+ 7] = r[Y]; \
+    dst[12*i+ 8] = dst[12*i+ 9] = g[Y]; \
+    dst[12*i+10] = dst[12*i+11] = b[Y];
+
 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
 static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
                      int srcSliceH, uint8_t* dst[], int dstStride[]){\
@@ -129,6 +139,32 @@ static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSlic
     ENDYUV2RGBLINE(dst_delta)\
     ENDYUV2RGBFUNC()
 
+YUV2RGBFUNC(yuv2rgb_c_48, uint8_t, 0)
+    LOADCHROMA(0);
+    PUTRGB48(dst_1,py_1,0);
+    PUTRGB48(dst_2,py_2,0);
+
+    LOADCHROMA(1);
+    PUTRGB48(dst_2,py_2,1);
+    PUTRGB48(dst_1,py_1,1);
+
+    LOADCHROMA(2);
+    PUTRGB48(dst_1,py_1,2);
+    PUTRGB48(dst_2,py_2,2);
+
+    LOADCHROMA(3);
+    PUTRGB48(dst_2,py_2,3);
+    PUTRGB48(dst_1,py_1,3);
+ENDYUV2RGBLINE(48)
+    LOADCHROMA(0);
+    PUTRGB48(dst_1,py_1,0);
+    PUTRGB48(dst_2,py_2,0);
+
+    LOADCHROMA(1);
+    PUTRGB48(dst_2,py_2,1);
+    PUTRGB48(dst_1,py_1,1);
+ENDYUV2RGBFUNC()
+
 YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
     LOADCHROMA(0);
     PUTRGB(dst_1,py_1,0,0);
@@ -491,6 +527,8 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
     av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found.\n");
 
     switch (c->dstFormat) {
+    case PIX_FMT_RGB48BE:
+    case PIX_FMT_RGB48LE:    return yuv2rgb_c_48;
     case PIX_FMT_ARGB:
     case PIX_FMT_ABGR:       if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) return yuva2argb_c;
     case PIX_FMT_RGBA:
@@ -664,6 +702,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
         fill_gv_table(c->table_gV, 2, cgv);
         break;
     case 24:
+    case 48:
         c->yuvTable = av_malloc(1024);
         y_table = c->yuvTable;
         yb = -(384<<16) - oy;