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

1 files changed, 10 insertions, 0 deletions

diff --git a/stream/tvi_v4l2.c b/stream/tvi_v4l2.c
index 43656fae01..5646e0d146 100644
--- a/stream/tvi_v4l2.c
+++ b/stream/tvi_v4l2.c
@@ -1321,6 +1321,16 @@ static inline void copy_frame(priv_t *priv, unsigned char *dest, unsigned char *
     int d = pixfmt2depth(priv->format.fmt.pix.pixelformat);
     int bytesperline = w*d/8;
 
+    if(tv_param_automute>0){
+        if (ioctl(priv->video_fd, VIDIOC_G_TUNER, &priv->tuner) >= 0) {
+            if(tv_param_automute<<8>priv->tuner.signal){
+	        fill_blank_frame(dest,bytesperline * h,fcc_vl2mp(priv->format.fmt.pix.pixelformat));
+	        set_mute(priv,1);
+	        return;
+	    }
+        }
+        set_mute(priv,0);
+    }
     memcpy(dest, source, bytesperline * h);
 }