Rename helpers to music_sampler

[perso/Immae/Projets/Python/MusicSampler.git] / helpers / mixer.py

diff --git a/helpers/mixer.py b/helpers/mixer.py
deleted file mode 100644 (file)
index 9242b61..0000000
--- a/helpers/mixer.py
+++ /dev/null
@@ -1,63 +0,0 @@
-import sounddevice as sd
-import audioop
-import time
-
-from . import Config
-
-sample_width = Config.sample_width
-
-def sample_width_to_dtype(sample_width):
-    if sample_width == 1 or sample_width == 2 or sample_width == 4:
-        return 'int' + str(8*sample_width)
-    else:
-        raise "Unknown sample width"
-
-def _latency(latency):
-    if latency == "high" or latency == "low":
-        return latency
-    else:
-        return float(latency)
-
-class Mixer:
-    def __init__(self):
-        self.stream = sd.RawOutputStream(
-                samplerate=Config.frame_rate,
-                channels=Config.channels,
-                dtype=sample_width_to_dtype(Config.sample_width),
-                latency=_latency(Config.latency),
-                blocksize=Config.blocksize,
-                callback=self.play_callback)
-        self.open_files = []
-
-    def add_file(self, music_file):
-        if music_file not in self.open_files:
-            self.open_files.append(music_file)
-        self.start()
-
-    def remove_file(self, music_file):
-        if music_file in self.open_files:
-            self.open_files.remove(music_file)
-        if len(self.open_files) == 0:
-            self.stop()
-
-    def stop(self):
-        self.stream.stop()
-
-    def start(self):
-        self.stream.start()
-
-    def play_callback(self, out_data, frame_count, time_info, status_flags):
-        out_data_length = len(out_data)
-        empty_data = b"\0" * out_data_length
-        data = b"\0" * out_data_length
-
-        for open_file in self.open_files:
-            file_data = open_file.play_callback(out_data_length, frame_count)
-
-            if data == empty_data:
-                data = file_data
-            elif file_data != empty_data:
-                data = audioop.add(data, file_data, sample_width)
-
-        out_data[:] = data
-