From e6a719ff95a6673ff3736661e1ffaba1647aea31 Mon Sep 17 00:00:00 2001
From: Andreas Demmelbauer <git@notice.at>
Date: Thu, 23 May 2019 16:00:54 +0200
Subject: [PATCH] ad gpio functioality

---
 Adafruit_Video_Looper/video_looper.py | 65 +++++++++++++++++----------
 1 file changed, 41 insertions(+), 24 deletions(-)

diff --git a/Adafruit_Video_Looper/video_looper.py b/Adafruit_Video_Looper/video_looper.py
index 3d6d3a4..d6698bb 100644
--- a/Adafruit_Video_Looper/video_looper.py
+++ b/Adafruit_Video_Looper/video_looper.py
@@ -12,6 +12,9 @@ import time
 
 import pygame
 
+import wiringpi
+
+
 from .model import Playlist
 
 
@@ -56,6 +59,9 @@ class VideoLooper:
         self._osd = self._config.getboolean('video_looper', 'osd')
         self._is_random = self._config.getboolean('video_looper', 'is_random')
         self._keyboard_control = self._config.getboolean('video_looper', 'keyboard_control')
+        self._gpio_control = self._config.getboolean('video_looper', 'gpio_control')
+        self._gpio_control_pin = self._config.get('video_looper', 'gpio_control_pin')
+        self._gpio_control_upstate = self._config.get('video_looper', 'gpio_control_upstate') # 1 or 0
         # Parse string of 3 comma separated values like "255, 255, 255" into 
         # list of ints for colors.
         self._bgcolor = list(map(int, self._config.get('video_looper', 'bgcolor')
@@ -71,7 +77,8 @@ class VideoLooper:
         # Initialize pygame and display a blank screen.
         pygame.display.init()
         pygame.font.init()
-        pygame.mouse.set_visible(False)
+        pygame.mouse.set_visible(False)/
+
         size = self._size = (pygame.display.Info().current_w, pygame.display.Info().current_h)
         self._screen = pygame.display.set_mode(size, pygame.FULLSCREEN)
         self._bgimage = self._load_bgimage()
@@ -81,6 +88,11 @@ class VideoLooper:
         self._small_font = pygame.font.Font(None, 50)
         self._big_font   = pygame.font.Font(None, 250)
         self._running    = True
+        
+        # Set GPIO Pin to input mode
+        if self._gpio_control:
+            wiringpi.pinMode(self._gpio_control_pin, 0)
+
 
     def _print(self, message):
         """Print message to standard output if console output is enabled."""
@@ -232,29 +244,34 @@ class VideoLooper:
         self._prepare_to_run_playlist(playlist)
         # Main loop to play videos in the playlist and listen for file changes.
         while self._running:
-            # Load and play a new movie if nothing is playing.
-            if not self._player.is_playing():
-                movie = playlist.get_next()
-                if movie is not None:
-                    # Start playing the first available movie.
-                    self._print('Playing movie: {0}'.format(movie))
-                    self._player.play(movie, loop=playlist.length() == 1, vol = self._sound_vol)
-            # Check for changes in the file search path (like USB drives added)
-            # and rebuild the playlist.
-            if self._reader.is_changed():
-                self._player.stop(3)  # Up to 3 second delay waiting for old 
-                                      # player to stop.
-                # Rebuild playlist and show countdown again (if OSD enabled).
-                playlist = self._build_playlist()
-                self._prepare_to_run_playlist(playlist)
-            # Event handling for key press, if keyboard control is enabled
-            if self._keyboard_control:
-                for event in pygame.event.get():
-                    if event.type == pygame.KEYDOWN:
-                        # If pressed key is ESC quit program
-                        if event.key == pygame.K_ESCAPE:
-                            self.quit()
-            # Give the CPU some time to do other tasks.
+            if not self._gpio_control or wiringpi.digitalRead(self._gpio_control_pin) == self._gpio_control_upstate:
+                
+                # Load and play a new movie if nothing is playing.
+                if not self._player.is_playing():
+                    movie = playlist.get_next()
+                    if            if not self._player.is_playing(): movie is not None:
+                        # Start playing the first available movie.
+                        self._print('Playing movie: {0}'.format(movie))
+                        self._player.play(movie, loop=playlist.length() == 1, vol = self._sound_vol)
+                # Check for changes in the file search path (like USB drives added)
+                # and rebuild the playlist.
+                if self._reader.is_changed():
+                    self._player.stop(3)  # Up to 3 second delay waiting for old 
+                                          # player to stop.
+                    # Rebuild playlist and show countdown again (if OSD enabled).
+                    playlist = self._build_playlist()
+                    self._prepare_to_run_playlist(playlist)
+                # Event handling for key press, if keyboard control is enabled
+                if self._keyboard_control:
+                    for event in pygame.event.get():
+                        if event.type == pygame.KEYDOWN:
+                            # If pressed key is ESC quit program
+                            if event.key == pygame.K_ESCAPE:
+                                self.quit()
+            else:
+                self._player.stop()
+                    
+                # Give the CPU some time to do other tasks.
             time.sleep(0.002)
 
     def quit(self):