1 files changed, 5 insertions, 82 deletions
diff --git a/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c b/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c
index 48ae99ddcd..70d823a25b 100644
--- a/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c
+++ b/firmware/target/arm/tcc780x/cowond2/lcd-cowond2.c
@@ -359,88 +359,11 @@ void lcd_yuv_set_options(unsigned options)
 }
 
 /* Line write helper function for lcd_yuv_blit. Write two lines of yuv420. */
-static void lcd_write_yuv420_lines(fb_data *dst,
-                            unsigned char const * const src[3],
-                            int width,
-                            int stride)
-{
-    int i = 0;
-    int y;
-    int rv, guv, bu;
-    int cb, cr;
-    int r, g, b;
-    unsigned const char *y_p = src[0];
-
-    for (i = 0; i < width/2; i++)
-    {
-        y_p++;
-        
-        /* YCbCr -> RGB conversion */
-        cb = src[1][i] - 128;
-        cr = src[2][i] - 128;
-        
-        rv = (cr*101 + 56) >> 9;
-        guv = (128 - cr*51 + cb*24) >> 8;
-        bu = (cb*128 + 256) >> 9;
-        
-        y = (*y_p - 16)*74;
-        r = (y >> 9) + rv;
-        g = (y >> 8) + guv;
-        b = (y >> 9) + bu;
-        if (r < 0) r = 0;
-        else if (r > 31) r = 31;
-        if (g < 0) g = 0;
-        else if (g > 63) g = 63;
-        if (b < 0) b = 0;
-        else if (b > 31) b = 31;
-        
-        dst[i*2] = (r << 11) | (g << 5) | b;
-
-        /* YCbCr -> RGB conversion */
-        y = (*(y_p+stride) - 16)*74;
-        r = (y >> 9) + rv;
-        g = (y >> 8) + guv;
-        b = (y >> 9) + bu;
-        if (r < 0) r = 0;
-        else if (r > 31) r = 31;
-        if (g < 0) g = 0;
-        else if (g > 63) g = 63;
-        if (b < 0) b = 0;
-        else if (b > 31) b = 31;
-        
-        dst[i*2+LCD_FBWIDTH] = (r << 11) | (g << 5) | b;
-
-        y_p++;
-        
-        /* YCbCr -> RGB conversion */
-        y = (*y_p - 16)*74;
-        r = (y >> 9) + rv;
-        g = (y >> 8) + guv;
-        b = (y >> 9) + bu;
-        if (r < 0) r = 0;
-        else if (r > 31) r = 31;
-        if (g < 0) g = 0;
-        else if (g > 63) g = 63;
-        if (b < 0) b = 0;
-        else if (b > 31) b = 31;
-        
-        dst[i*2+1] = (r << 11) | (g << 5) | b;
-
-        /* YCbCr -> RGB conversion */
-        y = (*(y_p+stride) - 16)*74;
-        r = (y >> 9) + rv;
-        g = (y >> 8) + guv;
-        b = (y >> 9) + bu;
-        if (r < 0) r = 0;
-        else if (r > 31) r = 31;
-        if (g < 0) g = 0;
-        else if (g > 63) g = 63;
-        if (b < 0) b = 0;
-        else if (b > 31) b = 31;
-        
-        dst[i*2+1+LCD_FBWIDTH] = (r << 11) | (g << 5) | b;
-    }
-}
+extern void lcd_write_yuv420_lines(fb_data *dst,
+                                   unsigned char const * const src[3],
+                                   int width,
+                                   int stride);
+
 extern void lcd_write_yuv420_lines_odither(fb_data *dst,
                                            unsigned char const * const src[3],
                                            int width,