X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=helpers%2Fmusic_file.py;h=5baab7ef36d0bf09b92e888f013554506602b59e;hb=176642649ad18f056675f7d89ea84482084234bc;hp=6da547b8473678b78985272ed7b72f548ab4b368;hpb=22514f3ae6d4e19537ae5ab6bdb5bc9f99a64f47;p=perso%2FImmae%2FProjets%2FPython%2FMusicSampler.git diff --git a/helpers/music_file.py b/helpers/music_file.py index 6da547b..5baab7e 100644 --- a/helpers/music_file.py +++ b/helpers/music_file.py @@ -6,7 +6,8 @@ from transitions.extensions import HierarchicalMachine as Machine import os.path from .lock import Lock -from . import gain +from . import Config, gain +from .mixer import Mixer file_lock = Lock("file") @@ -31,6 +32,8 @@ class MusicFile(Machine): Machine.__init__(self, states=states, transitions=transitions, initial='initial') + # FIXME: catch error here + self.mixer = mapping.mixer or Mixer() self.volume = 100 self.mapping = mapping self.filename = filename @@ -48,7 +51,7 @@ class MusicFile(Machine): try: print("Loading « {} »".format(self.name)) db_gain = gain(self.volume_factor * 100) - self.audio_segment = pydub.AudioSegment.from_file(self.filename).set_frame_rate(44100).set_channels(2).set_sample_width(2).apply_gain(db_gain) + self.audio_segment = pydub.AudioSegment.from_file(self.filename).set_frame_rate(Config.frame_rate).set_channels(Config.channels).set_sample_width(Config.sample_width).apply_gain(db_gain) self.audio_segment_frame_width = self.audio_segment.frame_width self.sound_duration = self.audio_segment.duration_seconds except Exception as e: @@ -95,7 +98,7 @@ class MusicFile(Machine): self.start_playing() def on_enter_loaded_playing(self): - self.mapping.mixer.add_file(self) + self.mixer.add_file(self) def finished_callback(self): if self.is_loaded_playing(): @@ -104,7 +107,7 @@ class MusicFile(Machine): self.stopped() def trigger_stopped_events(self): - self.mapping.mixer.remove_file(self) + self.mixer.remove_file(self) self.wait_event.set() def play_callback(self, out_data_length, frame_count): @@ -121,6 +124,7 @@ class MusicFile(Machine): data += new_data nb_frames += new_nb_frames elif nb_frames == 0: + # FIXME: too slow threading.Thread(name = "MSFinishedCallback", target=self.finished_callback).start() return data.ljust(out_data_length, b'\0') @@ -208,13 +212,3 @@ class MusicFile(Machine): self.wait_event.clear() self.wait_event.wait() -# Add some more functions to AudioSegments -def get_sample_slice_data(self, start_sample=0, end_sample=float('inf')): - max_val = int(self.frame_count()) - - start_i = max(start_sample, 0) * self.frame_width - end_i = min(end_sample, max_val) * self.frame_width - - return self._data[start_i:end_i] - -pydub.AudioSegment.get_sample_slice_data = get_sample_slice_data