X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=helpers%2Fmusic_file.py;h=36a7dd9ee913bc350058ae24de4079c17a4eb749;hb=0e5d59f77586134da457ed7a3c57fc99649be590;hp=39b0566ccd5c68ae925af87d93c45cb630f2dc78;hpb=be27763f8be0f647cbe17ecee8c782901ce2cede;p=perso%2FImmae%2FProjets%2FPython%2FMusicSampler.git

diff --git a/helpers/music_file.py b/helpers/music_file.py
index 39b0566..36a7dd9 100644
--- a/helpers/music_file.py
+++ b/helpers/music_file.py
@@ -21,15 +21,38 @@ class MusicFile:
         self.loaded = True
         lock.release()
 
-    def play(self):
-        self.channel = self.sound.play()
+    def is_playing(self):
+        return self.channel is not None and self.channel.get_busy()
+
+    def play(self, fade_in = 0, volume = 100, start_at = 0):
+        self.set_volume(volume)
+
+        if start_at > 0:
+            song_duration = self.sound.get_length()
+            raw_data_length = len(self.raw_data)
+            start_offset = int((raw_data_length / song_duration) * start_at)
+            start_offset = start_offset - (start_offset % 2)
+            self.sound = pygame.mixer.Sound(self.raw_data[start_offset:])
+        else:
+            self.sound = pygame.mixer.Sound(self.raw_data)
+
+        self.channel = self.sound.play(fade_ms = fade_in * 1000)
 
     def pause(self):
         if self.channel is not None:
             self.channel.pause()
 
-    def stop(self):
+    def stop(self, fade_out = 0):
         self.channel = None
-        self.sound.stop()
-
+        if fade_out > 0:
+            self.sound.fadeout(fade_out * 1000)
+        else:
+            self.sound.stop()
+
+    def set_volume(self, value):
+        if value < 0:
+            value = 0
+        if value > 100:
+            value = 100
+        self.sound.set_volume(value / 100)