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sound.recordplay merged into sound.record.

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This commit is contained in:
Fabio Manganiello 2023-06-12 22:15:02 +02:00
parent be794316a8
commit c8786b75de
Signed by untrusted user: blacklight
GPG key ID: D90FBA7F76362774
1 changed files with 40 additions and 115 deletions
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155
platypush/plugins/sound/__init__.py
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@ -122,7 +122,7 @@ class SoundPlugin(Plugin):
:param category: Device category to query. Can be either input or output :param category: Device category to query. Can be either input or output
:type category: str :type category: str
""" """
return sd.query_hostapis()[0].get('default_' + category.lower() + '_device') return sd.query_hostapis()[0].get('default_' + category.lower() + '_device') # type: ignore
@action @action
def query_devices(self, category=None): def query_devices(self, category=None):
@ -165,9 +165,9 @@ class SoundPlugin(Plugin):
devs = sd.query_devices() devs = sd.query_devices()
if category == 'input': if category == 'input':
devs = [d for d in devs if d.get('max_input_channels') > 0] devs = [d for d in devs if d.get('max_input_channels') > 0] # type: ignore
elif category == 'output': elif category == 'output':
devs = [d for d in devs if d.get('max_output_channels') > 0] devs = [d for d in devs if d.get('max_output_channels') > 0] # type: ignore
return devs return devs
@ -454,6 +454,7 @@ class SoundPlugin(Plugin):
def record( def record(
self, self,
device: Optional[str] = None, device: Optional[str] = None,
output_device: Optional[str] = None,
fifo: Optional[str] = None, fifo: Optional[str] = None,
outfile: Optional[str] = None, outfile: Optional[str] = None,
duration: Optional[float] = None, duration: Optional[float] = None,
@ -465,12 +466,16 @@ class SoundPlugin(Plugin):
redis_queue: Optional[str] = None, redis_queue: Optional[str] = None,
format: str = 'wav', format: str = 'wav',
stream: bool = True, stream: bool = True,
play_audio: bool = False,
): ):
""" """
Return audio data from an audio source Return audio data from an audio source
:param device: Input device (default: default configured device or :param device: Input device (default: default configured device or
system default audio input if not configured) system default audio input if not configured)
:param output_device: Audio output device if ``play_audio=True`` (audio
pass-through) (default: default configured device or system default
audio output if not configured)
:param fifo: Path of a FIFO that will be used to exchange audio frames :param fifo: Path of a FIFO that will be used to exchange audio frames
with other consumers. with other consumers.
:param outfile: If specified, the audio data will be persisted on the :param outfile: If specified, the audio data will be persisted on the
@ -483,6 +488,8 @@ class SoundPlugin(Plugin):
float32 float32
:param blocksize: Audio block size (default: configured :param blocksize: Audio block size (default: configured
`input_blocksize` or 2048) `input_blocksize` or 2048)
:param play_audio: If True, then the recorded audio will be played in
real-time on the selected ``output_device`` (default: False).
:param latency: Device latency in seconds (default: the device's default high latency) :param latency: Device latency in seconds (default: the device's default high latency)
:param channels: Number of channels (default: 1) :param channels: Number of channels (default: 1)
:param redis_queue: If set, the audio chunks will also be published to :param redis_queue: If set, the audio chunks will also be published to
@ -499,9 +506,18 @@ class SoundPlugin(Plugin):
if device is None: if device is None:
device = self._get_default_device('input') device = self._get_default_device('input')
if play_audio:
output_device = (
output_device
or self.output_device
or self._get_default_device('output')
)
device = (device, output_device) # type: ignore
if sample_rate is None: if sample_rate is None:
dev_info = sd.query_devices(device, 'input') dev_info = sd.query_devices(device, 'input')
sample_rate = int(dev_info['default_samplerate']) sample_rate = int(dev_info['default_samplerate']) # type: ignore
if blocksize is None: if blocksize is None:
blocksize = self.input_blocksize blocksize = self.input_blocksize
@ -522,7 +538,7 @@ class SoundPlugin(Plugin):
def audio_callback(audio_converter: ConverterProcess): def audio_callback(audio_converter: ConverterProcess):
# _ = frames # _ = frames
# __ = time # __ = time
def callback(indata, _, __, status): def callback(indata, outdata, _, __, status):
while self._get_recording_state() == RecordingState.PAUSED: while self._get_recording_state() == RecordingState.PAUSED:
self.recording_paused_changed.wait() self.recording_paused_changed.wait()
@ -530,11 +546,15 @@ class SoundPlugin(Plugin):
self.logger.warning('Recording callback status: %s', status) self.logger.warning('Recording callback status: %s', status)
audio_converter.write(indata.tobytes()) audio_converter.write(indata.tobytes())
if play_audio:
outdata[:] = indata
return callback return callback
def streaming_thread(): def streaming_thread():
try: try:
stream_index = self._allocate_stream_index() if play_audio else None
with ConverterProcess( with ConverterProcess(
ffmpeg_bin=self.ffmpeg_bin, ffmpeg_bin=self.ffmpeg_bin,
sample_rate=sample_rate, sample_rate=sample_rate,
@ -542,7 +562,7 @@ class SoundPlugin(Plugin):
dtype=dtype, dtype=dtype,
chunk_size=self.input_blocksize, chunk_size=self.input_blocksize,
output_format=format, output_format=format,
) as converter, sd.InputStream( ) as converter, sd.Stream(
samplerate=sample_rate, samplerate=sample_rate,
device=device, device=device,
channels=channels, channels=channels,
@ -550,10 +570,15 @@ class SoundPlugin(Plugin):
dtype=dtype, dtype=dtype,
latency=latency, latency=latency,
blocksize=blocksize, blocksize=blocksize,
), open( ) as audio_stream, open(
outfile, 'wb' outfile, 'wb'
) as f: ) as f:
self.start_recording() self.start_recording()
if stream_index:
self._start_playback(
stream_index=stream_index, stream=audio_stream
)
get_bus().post(SoundRecordingStartedEvent()) get_bus().post(SoundRecordingStartedEvent())
self.logger.info('Started recording from device [%s]', device) self.logger.info('Started recording from device [%s]', device)
recording_started_time = time.time() recording_started_time = time.time()
@ -591,117 +616,17 @@ class SoundPlugin(Plugin):
Thread(target=streaming_thread).start() Thread(target=streaming_thread).start()
@action @action
def recordplay( def recordplay(self, *args, **kwargs):
self,
duration=None,
input_device=None,
output_device=None,
sample_rate=None,
blocksize=None,
latency=0,
channels=1,
dtype=None,
):
""" """
Records audio and plays it on an output sound device (audio pass-through) Deprecated alias for :meth:`.record`.
:param duration: Recording duration in seconds (default: record until stop event)
:type duration: float
:param input_device: Input device (default: default configured device
or system default audio input if not configured)
:type input_device: int or str
:param output_device: Output device (default: default configured device
or system default audio output if not configured)
:type output_device: int or str
:param sample_rate: Recording sample rate (default: device default rate)
:type sample_rate: int
:param blocksize: Audio block size (default: configured `output_blocksize` or 2048)
:type blocksize: int
:param latency: Device latency in seconds (default: 0)
:type latency: float
:param channels: Number of channels (default: 1)
:type channels: int
:param dtype: Data type for the recording - see `Soundfile docs -
Recording
<https://python-sounddevice.readthedocs.io/en/0.3.12/_modules/sounddevice.html#rec>`_
for available types (default: input device default)
:type dtype: str
""" """
warnings.warn(
'sound.recordplay is deprecated, use sound.record with `play_audio=True` instead',
DeprecationWarning,
stacklevel=1,
)
self.recording_paused_changed.clear() return self.record(*args, **kwargs)
if input_device is None:
input_device = self.input_device
if input_device is None:
input_device = self._get_default_device('input')
if output_device is None:
output_device = self.output_device
if output_device is None:
output_device = self._get_default_device('output')
if sample_rate is None:
dev_info = sd.query_devices(input_device, 'input')
sample_rate = int(dev_info['default_samplerate'])
if blocksize is None:
blocksize = self.output_blocksize
# _ = frames
# __ = time
def audio_callback(indata, outdata, _, __, status):
while self._get_recording_state() == RecordingState.PAUSED:
self.recording_paused_changed.wait()
if status:
self.logger.warning('Recording callback status: %s', status)
outdata[:] = indata
stream_index = None
try:
stream_index = self._allocate_stream_index()
stream = sd.Stream(
samplerate=sample_rate,
channels=channels,
blocksize=blocksize,
latency=latency,
device=(input_device, output_device),
dtype=dtype,
callback=audio_callback,
)
self.start_recording()
self._start_playback(stream_index=stream_index, stream=stream)
self.logger.info(
'Started recording pass-through from device [%s] to sound device [%s]',
input_device,
output_device,
)
recording_started_time = time.time()
while self._get_recording_state() != RecordingState.STOPPED and (
duration is None or time.time() - recording_started_time < duration
):
while self._get_recording_state() == RecordingState.PAUSED:
self.recording_paused_changed.wait()
time.sleep(0.1)
except queue.Empty:
self.logger.warning('Recording timeout: audio callback failed?')
finally:
self.stop_playback([stream_index])
self.stop_recording()
@action @action
def query_streams(self): def query_streams(self):