From eb5bf3b88e11054e30aaa34e713a4a61c167cc04 Mon Sep 17 00:00:00 2001
From: voroshil <voroshil@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Thu, 31 May 2007 17:49:51 +0000
Subject: New "automute" tv:// option. Will switch off sound and show blue
 screen instead of video with noise when signal level (in 0-255 scale) is less
 than specified value.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23440 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 stream/tvi_def.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'stream/tvi_def.h')

diff --git a/stream/tvi_def.h b/stream/tvi_def.h
index 7a77dd3a50..72b7bd5101 100644
--- a/stream/tvi_def.h
+++ b/stream/tvi_def.h
@@ -52,3 +52,41 @@ static void free_handle(tvi_handle_t *h)
 	free(h);
     }
 }
+
+/**
+ Fills video frame in given buffer with blue color for yv12,i420,uyvy,yuy2.
+ Other formats will be filled with 0xC0 
+*/
+static inline void fill_blank_frame(char* buffer,int len,int fmt){
+    int i;
+
+    switch(fmt){
+    case IMGFMT_YV12:
+        memset(buffer, 0xFF,5*len/6);
+        memset(buffer+5*len/6, 0xFF,len/6);
+        break;
+    case IMGFMT_I420:
+        memset(buffer, 0xFF,4*len/6);
+        memset(buffer+4*len/6, 0xFF,len/6);
+        memset(buffer+5*len/6, 0xFF,len/6);
+        break;
+    case IMGFMT_UYVY:
+        for(i=0;i<len;i+=4){
+            buffer[i]=0xFF;
+            buffer[i+1]=0;
+            buffer[i+2]=0;
+            buffer[i+3]=0;
+	}
+        break;
+    case IMGFMT_YUY2:
+        for(i=0;i<len;i+=4){
+            buffer[i]=0;
+            buffer[i+1]=0xFF;
+            buffer[i+2]=0;
+            buffer[i+3]=0;
+	}
+        break;
+    default:
+        memset(buffer,0xC0,len);
+    }
+}
-- 
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