From: kramm <kramm>
Date: Wed, 28 Nov 2001 22:40:25 +0000 (+0000)
Subject: added YUV->RGB conversion.
X-Git-Tag: release-0-2-1~100
X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=commitdiff_plain;h=2f62eecb5564f15f242246570501aaad8b22536d

added YUV->RGB conversion.
---

diff --git a/lib/modules/swfbits.c b/lib/modules/swfbits.c
index 0fb7c22..7488667 100644
--- a/lib/modules/swfbits.c
+++ b/lib/modules/swfbits.c
@@ -157,9 +157,18 @@ int swf_SetJPEGBits(TAG * t,char * fname,int quality)
     }
     else if(cinfo.out_color_space == JCS_YCbCr) 
     {
-	//FIXME
-	fprintf(stderr, "Error: Can't convert YCbCr(YUV) to RGB.\n");
-	return -1;
+	for (y=0;y<cinfo.output_height;y++) {
+	  int x;
+	  for(x=0;x<cinfo.output_width;x++) {
+	      int y = js[x*3+0];
+	      int u = js[x*3+1];
+	      int v = js[x*3+1];
+	      // untested:
+	      js[x*3+0] = y + ((360*(v-128))>>8);
+	      js[x*3+1] = y - ((88*(u-128)-183*(v-128))>>8);
+	      js[x*3+2] = y + ((455 * (u-128))>>8);
+	  }
+	}
     }
     else if(cinfo.out_color_space == JCS_CMYK) 
     {