91 lines
2.6 KiB
Python
91 lines
2.6 KiB
Python
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from os.path import join
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from pyobjus import autoclass
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from pyobjus.dylib_manager import INCLUDE, load_framework
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from plyer.facades import Audio
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from plyer.platforms.macosx.storagepath import OSXStoragePath
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load_framework(INCLUDE.Foundation)
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load_framework(INCLUDE.AVFoundation)
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AVAudioPlayer = autoclass("AVAudioPlayer")
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AVAudioRecorder = autoclass("AVAudioRecorder")
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AVAudioFormat = autoclass("AVAudioFormat")
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NSString = autoclass('NSString')
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NSURL = autoclass('NSURL')
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NSError = autoclass('NSError').alloc()
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class OSXAudio(Audio):
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def __init__(self, file_path=None):
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default_path = join(
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OSXStoragePath().get_music_dir(),
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'audio.wav'
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)
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super().__init__(file_path or default_path)
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self._recorder = None
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self._player = None
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self._current_file = None
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def _start(self):
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# Conversion of Python file path string to Objective-C NSString
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file_path_NSString = NSString.alloc()
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file_path_NSString = file_path_NSString.initWithUTF8String_(
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self._file_path
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)
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# Definition of Objective-C NSURL object for the output record file
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# specified by NSString file path
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file_NSURL = NSURL.alloc()
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file_NSURL = file_NSURL.initWithString_(file_path_NSString)
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# Internal audio file format specification
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af = AVAudioFormat.alloc()
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af = af.initWithCommonFormat_sampleRate_channels_interleaved_(
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1, 44100.0, 2, True
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)
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# Audio recorder instance initialization with specified file NSURL
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# and audio file format
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self._recorder = AVAudioRecorder.alloc()
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self._recorder = self._recorder.initWithURL_format_error_(
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file_NSURL, af, NSError
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)
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if not self._recorder:
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raise Exception(NSError.code, NSError.domain)
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self._recorder.record()
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# Setting the currently recorded file as current file
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# for using it as a parameter in audio player
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self._current_file = file_NSURL
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def _stop(self):
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if self._recorder:
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self._recorder.stop()
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self._recorder = None
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if self._player:
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self._player.stop()
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self._player = None
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def _play(self):
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# Audio player instance initialization with the file NSURL
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# of the last recorded audio file
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self._player = AVAudioPlayer.alloc()
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self._player = self._player.initWithContentsOfURL_error_(
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self._current_file, NSError
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)
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if not self._player:
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raise Exception(NSError.code, NSError.domain)
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self._player.play()
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def instance():
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return OSXAudio()
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