From: Guillaume Pellerin <yomguy@parisson.com>
Date: Thu, 24 Oct 2013 16:34:56 +0000 (+0200)
Subject: RPi inputs are VERY sensible to electromagnetic parasites so we add a timer to the... 
X-Git-Tag: 0.3.1~2^2~2
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=45a73c48d6e21794492114c2c67642d74de018a5;p=piplayer.git

RPi inputs are VERY sensible to electromagnetic parasites so we add a timer to the gpio_play function so that we are sure it is a human who is playing...
---

diff --git a/piplayer/player.py b/piplayer/player.py
index b906a71..d6a3da0 100644
--- a/piplayer/player.py
+++ b/piplayer/player.py
@@ -46,6 +46,7 @@ class PiPlayer(object):
     looping = False
     auto_next = False
     alsa_device = 'hw:0'
+    parasite_filter_time = '0.02'
     
     def __init__(self, play_dir):
         # Playlist
@@ -155,14 +156,20 @@ class PiPlayer(object):
         self.pipeline.set_state(gst.STATE_PLAYING)
         if DEBUG:
             print self.play_id, self.uri
-        
+
+    def parasite_filter(self):
+        import RPi.GPIO as GPIO
+        time.sleep(self.parasite_filter_time)
+        return GPIO.input(self.gpio_channel_play):
+            
     def play(self):
         if not self.playing:
-            self.pipeline.set_state(gst.STATE_PLAYING)
-            self.playing = True
+            if self.parasite_filter():
+                self.pipeline.set_state(gst.STATE_PLAYING)
+                self.playing = True
         elif self.auto_next:
             self.next()
-    
+
     def stop(self):
         if self.playing:
             self.pipeline.set_state(gst.STATE_NULL)