From 3d236d2e7a6501108a9083196500c009226142a1 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Thu, 20 Jul 2006 15:12:12 +0000
Subject: Made decoder use the transcoder for the YUV422 => BRG0 conversion in
 snapshots.

---
 client/decoder.cc | 38 ++++++++++----------------------------
 1 file changed, 10 insertions(+), 28 deletions(-)

diff --git a/client/decoder.cc b/client/decoder.cc
index c456e78..5fdbd80 100644
--- a/client/decoder.cc
+++ b/client/decoder.cc
@@ -28,6 +28,8 @@
 
 #include "info.h"
 
+#include "transcoder.h"
+
 #define READ_DV_FROM_FILE
 
 #include "dv.h"
@@ -164,9 +166,9 @@ void Decoder::pframeRelease()
   G = Y - (0.3455 * (U - 128) - (0.7169 * (V - 128))
   B = Y + 1.7790 * (U - 128)
 */
-#define RED(y, u, v)   (y + 1.4075 * (v - 128))
-#define GREEN(y, u, v) (y - (0.3455 * (u - 128)) - (0.7169 * (v - 128)))
-#define BLUE(y, u, v)  (y + 1.7790 * (u - 128))
+//#define RED(y, u, v)   (y + 1.4075 * (v - 128))
+//#define GREEN(y, u, v) (y - (0.3455 * (u - 128)) - (0.7169 * (v - 128)))
+//#define BLUE(y, u, v)  (y + 1.7790 * (u - 128))
 
 /*
   R = 1.164(Y - 16) + 1.596(V - 128) 
@@ -182,32 +184,12 @@ void Decoder::snapshot(unsigned char *rgb)
 
   pmutex.lock();
 
-  unsigned char Y0, Y1, U, V;
-
-  unsigned int byte = 0;
-  unsigned int pos = 0;
-
-  while(pos < 720*576*4) {
-    // YUV 4:2:2 packing
-    // Y0 U0 Y1 V1 Y2 U2 Y3 V3
-    // [Y0 U0 V1] [Y1 U0 V1] [Y2 U2 V3] [Y3 U2 V3]
-
-    Y0 = pframe[byte]; byte++;
-    U = pframe[byte]; byte++;
-    Y1 = pframe[byte]; byte++;
-    V = pframe[byte]; byte++;
-
-    rgb[pos+3] = 0; // Alpha
-    rgb[pos+2] = (unsigned char)RED(Y0, U, V); //(Y0 + 1.4075 * (V - 128)); // Red
-    rgb[pos+1] = (unsigned char)GREEN(Y0, U, V); //(Y0 - (0.3455 * (U - 128) - (0.7169 * (V - 128)))); // Green
-    rgb[pos+0] = (unsigned char)BLUE(Y0, U, V); //(Y0 + 1.7790 * (U - 128)); // Blue
-    pos+=4;
+  Frame frame(pframe, 720*576*2, VF_YUV422);
 
-    rgb[pos+3] = 0; // Alpha
-    rgb[pos+2] = (unsigned char)RED(Y1, U, V); //(Y1 + 1.4075 * (V - 128)); // Red
-    rgb[pos+1] = (unsigned char)GREEN(Y1, U, V); //(Y1 - (0.3455 * (U - 128) - (0.7169 * (V - 128)))); // Green
-    rgb[pos+0] = (unsigned char)BLUE(Y1, U, V); //(Y1 + 1.7790 * (U - 128)); // Blue
-    pos+=4;
+  Frame *brg0 = transcode(&frame, VF_BRG0, (char*)rgb, 720*576*4);
+  if(brg0) delete brg0; // We don't need the actual frameoject
+  else {
+    // Some error occurred!
   }
   pmutex.unlock();
 }
-- 
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