- audio_segment = self.current_audio_segment.get_sample_slice_data(
- start_sample=self.current_frame,
- end_sample=self.current_frame + frame_count
- )
- self.current_frame += frame_count
- if len(audio_segment) == 0:
- raise sd.CallbackStop
+ [data, nb_frames] = self.get_next_sample(frame_count)
+ if nb_frames < frame_count:
+ if self.is_loaded_playing() and self.loop != 0:
+ self.loop -= 1
+ self.current_frame = 0
+ [new_data, new_nb_frames] = self.get_next_sample(frame_count - nb_frames)
+ 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')
+
+ def get_next_sample(self, frame_count):
+ fw = self.audio_segment_frame_width
+
+ data = b""
+ nb_frames = 0
+ if self.a_s_with_effect is not None:
+ segment = self.a_s_with_effect
+ max_val = int(segment.frame_count())
+
+ start_i = max(self.current_frame_with_effect, 0)
+ end_i = min(self.current_frame_with_effect + frame_count, max_val)
+
+ data += segment._data[(start_i * fw):(end_i * fw)]
+
+ frame_count = max(0, self.current_frame_with_effect + frame_count - max_val)
+
+ self.current_frame_with_effect += end_i - start_i
+ self.current_frame += end_i - start_i
+ nb_frames += end_i - start_i