msvideo1enc: minor cosmetic cleanup, use FFALIGN, avoid calculating value

[ffmpeg] / libswscale / yuv2rgb.c

diff --git a/libswscale/yuv2rgb.c b/libswscale/yuv2rgb.c
index 60764aeba19567d0c0f0a891cbdcd50f4e317078..f8365ef567ccbe4bf60e98519883968ce67d4582 100644 (file)
--- a/libswscale/yuv2rgb.c
+++ b/libswscale/yuv2rgb.c
@@ -99,6 +99,16 @@ const int *sws_getCoefficients(int colorspace)
     dst[12*i+ 8] = dst[12*i+ 9] = g[Y]; \
     dst[12*i+10] = dst[12*i+11] = b[Y];
 
+#define PUTBGR48(dst,src,i)             \
+    Y = src[2*i];                       \
+    dst[12*i+ 0] = dst[12*i+ 1] = b[Y]; \
+    dst[12*i+ 2] = dst[12*i+ 3] = g[Y]; \
+    dst[12*i+ 4] = dst[12*i+ 5] = r[Y]; \
+    Y = src[2*i+1];                     \
+    dst[12*i+ 6] = dst[12*i+ 7] = b[Y]; \
+    dst[12*i+ 8] = dst[12*i+ 9] = g[Y]; \
+    dst[12*i+10] = dst[12*i+11] = r[Y];
+
 #define YUV2RGBFUNC(func_name, dst_type, alpha) \
 static int func_name(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, \
                      int srcSliceH, uint8_t* dst[], int dstStride[]) \
@@ -175,6 +185,32 @@ ENDYUV2RGBLINE(48)
     PUTRGB48(dst_1,py_1,1);
 ENDYUV2RGBFUNC()
 
+YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0)
+    LOADCHROMA(0);
+    PUTBGR48(dst_1,py_1,0);
+    PUTBGR48(dst_2,py_2,0);
+
+    LOADCHROMA(1);
+    PUTBGR48(dst_2,py_2,1);
+    PUTBGR48(dst_1,py_1,1);
+
+    LOADCHROMA(2);
+    PUTBGR48(dst_1,py_1,2);
+    PUTBGR48(dst_2,py_2,2);
+
+    LOADCHROMA(3);
+    PUTBGR48(dst_2,py_2,3);
+    PUTBGR48(dst_1,py_1,3);
+ENDYUV2RGBLINE(48)
+    LOADCHROMA(0);
+    PUTBGR48(dst_1,py_1,0);
+    PUTBGR48(dst_2,py_2,0);
+
+    LOADCHROMA(1);
+    PUTBGR48(dst_2,py_2,1);
+    PUTBGR48(dst_1,py_1,1);
+ENDYUV2RGBFUNC()
+
 YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
     LOADCHROMA(0);
     PUTRGB(dst_1,py_1,0);
@@ -543,7 +579,7 @@ CLOSEYUV2RGBFUNC(1)
 SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
 {
     SwsFunc t = NULL;
-#if HAVE_MMX && CONFIG_GPL
+#if HAVE_MMX
      t = ff_yuv2rgb_init_mmx(c);
 #endif
 #if HAVE_VIS
@@ -568,6 +604,8 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
     av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found from %s to %s.\n", sws_format_name(c->srcFormat), sws_format_name(c->dstFormat));
 
     switch (c->dstFormat) {
+    case PIX_FMT_BGR48BE:
+    case PIX_FMT_BGR48LE:    return yuv2rgb_c_bgr48;
     case PIX_FMT_RGB48BE:
     case PIX_FMT_RGB48LE:    return yuv2rgb_c_48;
     case PIX_FMT_ARGB:
@@ -595,10 +633,11 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
     return NULL;
 }
 
-static void fill_table(uint8_t* table[256], const int elemsize, const int inc, uint8_t *y_table)
+static void fill_table(uint8_t* table[256], const int elemsize, const int inc, void *y_tab)
 {
     int i;
     int64_t cb = 0;
+    uint8_t *y_table = y_tab;
 
     y_table -= elemsize * (inc >> 9);
 
@@ -620,6 +659,14 @@ static void fill_gv_table(int table[256], const int elemsize, const int inc)
     }
 }
 
+static uint16_t roundToInt16(int64_t f)
+{
+    int r= (f + (1<<15))>>16;
+         if (r<-0x7FFF) return 0x8000;
+    else if (r> 0x7FFF) return 0x7FFF;
+    else                return r;
+}
+
 av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange,
                                      int brightness, int contrast, int saturation)
 {
@@ -675,6 +722,22 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
     cgv = (cgv*contrast * saturation) >> 32;
     oy -= 256*brightness;
 
+    c->uOffset=   0x0400040004000400LL;
+    c->vOffset=   0x0400040004000400LL;
+    c->yCoeff=    roundToInt16(cy *8192) * 0x0001000100010001ULL;
+    c->vrCoeff=   roundToInt16(crv*8192) * 0x0001000100010001ULL;
+    c->ubCoeff=   roundToInt16(cbu*8192) * 0x0001000100010001ULL;
+    c->vgCoeff=   roundToInt16(cgv*8192) * 0x0001000100010001ULL;
+    c->ugCoeff=   roundToInt16(cgu*8192) * 0x0001000100010001ULL;
+    c->yOffset=   roundToInt16(oy *   8) * 0x0001000100010001ULL;
+
+    c->yuv2rgb_y_coeff  = (int16_t)roundToInt16(cy <<13);
+    c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9);
+    c->yuv2rgb_v2r_coeff= (int16_t)roundToInt16(crv<<13);
+    c->yuv2rgb_v2g_coeff= (int16_t)roundToInt16(cgv<<13);
+    c->yuv2rgb_u2g_coeff= (int16_t)roundToInt16(cgu<<13);
+    c->yuv2rgb_u2b_coeff= (int16_t)roundToInt16(cbu<<13);
+
     //scale coefficients by cy
     crv = ((crv << 16) + 0x8000) / cy;
     cbu = ((cbu << 16) + 0x8000) / cy;
@@ -750,7 +813,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
         }
         if (isNotNe)
             for (i = 0; i < 1024*3; i++)
-                y_table16[i] = bswap_16(y_table16[i]);
+                y_table16[i] = av_bswap16(y_table16[i]);
         fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
         fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
         fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);
@@ -773,7 +836,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
         }
         if(isNotNe)
             for (i = 0; i < 1024*3; i++)
-                y_table16[i] = bswap_16(y_table16[i]);
+                y_table16[i] = av_bswap16(y_table16[i]);
         fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
         fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
         fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);