raise asyncio.CancelledError()
return resp
- async def __stream_queue(self, player_id, buffer, cancelled):
+ async def __stream_queue__old_usingfile(self, player_id, buffer, cancelled):
''' start streaming radio from provider '''
# stream audio with sox
queue_tracks = await self.mass.player.player_queue(player_id, 0, 1000)
sample_rate = self.mass.config['player_settings'][player_id]['max_sample_rate']
fade_length = self.mass.config['player_settings'][player_id]["crossfade_duration"]
- pcm_args = 'raw -b 64 -c 2 -e floating-point -r %s' % sample_rate
+ pcm_args = 'raw -b 32 -c 2 -e signed-integer -r %s' % sample_rate
args = 'sox -t %s - -t flac -C 2 -' % pcm_args
sox_proc = await asyncio.create_subprocess_shell(args,
stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE)
track_id = params['track_id'][0]
provider = params['provider'][0]
LOGGER.info("Stream queue track: %s - %s" % (track_id, queue_track.name))
- temp_file = await self.__get_pcm_audio(track_id, provider, sample_rate)
+ temp_file = await self.__get_raw_audio(track_id, provider, sample_rate)
# get fade in part
- args = 'sox -t %s %s -t %s - trim 0 %s fade t %s' % (pcm_args, temp_file.name, pcm_args, fade_length, fade_length)
+ args = 'sox -t sox %s -t %s - trim 0 %s fade t %s' % (temp_file.name, pcm_args, fade_length, fade_length)
process = await asyncio.create_subprocess_shell(args,
stdout=asyncio.subprocess.PIPE, stdin=asyncio.subprocess.PIPE)
fade_in_part, stderr = await process.communicate()
await sox_proc.stdin.drain()
# get middle frames (main track without the fade-in and fade-out)
- args = 'sox -t %s %s -t %s - trim %s -%s' % (pcm_args, temp_file.name, pcm_args, fade_length, fade_length)
+ args = 'sox -t sox %s -t %s - trim %s -%s' % (temp_file.name, pcm_args, fade_length, fade_length)
process = await asyncio.create_subprocess_shell(args,
stdout=asyncio.subprocess.PIPE, stdin=asyncio.subprocess.PIPE)
middle_part, stderr = await process.communicate()
await sox_proc.stdin.drain()
# get fade out part (all remaining chunks of 1 second)
- args = 'sox -t %s %s -t %s - reverse trim 0 %s fade t %s reverse ' % (pcm_args, temp_file.name, pcm_args, fade_length, fade_length)
+ args = 'sox -t sox %s -t %s - reverse trim 0 %s fade t %s reverse ' % (temp_file.name, pcm_args, fade_length, fade_length)
process = await asyncio.create_subprocess_shell(args,
stdout=asyncio.subprocess.PIPE, stdin=asyncio.subprocess.PIPE)
fade_out_part, stderr = await process.communicate()
sox_proc.stdin.write(last_fadeout_data)
await sox_proc.stdin.drain()
- async def __get_pcm_audio(self, track_id, provider, sample_rate=96000):
+ async def __get_raw_audio__old_usingfile(self, track_id, provider, sample_rate=96000):
''' get raw pcm data for a track upsampled to given sample_rate packed as wav '''
temp_audiofile = MemoryTempfile(fallback=True).NamedTemporaryFile(buffering=0)
cachefile = self.__get_track_cache_filename(track_id, provider)
if os.path.isfile(cachefile):
# we have a cache file for this track which we can use
# always convert to 64 bit floating point to do any processing/effects
- args = 'sox -V3 -t flac "%s" -t wav -c 2 -e floating-point -b 64 - | sox -V3 -t wav - -t raw %s vol %s dB rate -v %s' % (cachefile, temp_audiofile.name, gain_correct, sample_rate)
+ args = 'sox -V3 -t flac "%s" -t sox %s vol %s dB rate -v %s' % (cachefile, temp_audiofile.name, gain_correct, sample_rate)
process = await asyncio.create_subprocess_shell(args)
else:
# stream from provider
# always convert to 64 bit floating point to do any processing/effects
input_content_type = await self.mass.music.providers[provider].get_stream_content_type(track_id)
assert(input_content_type)
- args = 'sox -V3 -t %s - -t wav -c 2 -e floating-point -b 64 - | sox -V3 -t wav - -t raw %s vol %s dB rate -v %s' % (input_content_type, temp_audiofile.name, gain_correct, sample_rate)
+ args = 'sox -V3 -t %s - -t sox %s vol %s dB rate -v %s' % (input_content_type, temp_audiofile.name, gain_correct, sample_rate)
process = await asyncio.create_subprocess_shell(args,
stdin=asyncio.subprocess.PIPE)
asyncio.get_event_loop().create_task(
LOGGER.debug("__get_pcm_audio for track_id %s completed" % track_id)
return temp_audiofile
+ async def __stream_queue(self, player_id, buffer, cancelled):
+ ''' start streaming all queue tracks '''
+ # TODO: get correct queue index and implement reporting of position
+ queue_tracks = await self.mass.player.player_queue(player_id, 0, 1000)
+ sample_rate = self.mass.config['player_settings'][player_id]['max_sample_rate']
+ fade_length = self.mass.config['player_settings'][player_id]["crossfade_duration"]
+ pcm_args = 'raw -b 32 -c 2 -e signed-integer -r %s' % sample_rate
+ args = 'sox -t %s - -t flac -C 2 -' % pcm_args
+ sox_proc = await asyncio.create_subprocess_shell(args,
+ stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE)
+
+ async def fill_buffer():
+ while not sox_proc.stdout.at_eof():
+ chunk = await sox_proc.stdout.read(256000)
+ if not chunk:
+ break
+ await buffer.put(chunk)
+ await buffer.put('') # indicate EOF
+ asyncio.create_task(fill_buffer())
+
+ last_fadeout_data = None
+ for queue_track in queue_tracks:
+
+ while buffer.qsize() > 5 and not cancelled.is_set():
+ await asyncio.sleep(1)
+ if cancelled.is_set():
+ break
+
+ params = urllib.parse.parse_qs(queue_track.uri.split('?')[1])
+ track_id = params['track_id'][0]
+ provider = params['provider'][0]
+ LOGGER.info("Stream queue track: %s - %s" % (track_id, queue_track.name))
+ audiodata = await self.__get_raw_audio(track_id, provider, sample_rate)
+
+ # get fade in part
+ args = 'sox -t sox - -t %s - trim 0 %s fade t %s' % (pcm_args, fade_length, fade_length)
+ process = await asyncio.create_subprocess_shell(args,
+ stdout=asyncio.subprocess.PIPE, stdin=asyncio.subprocess.PIPE)
+ fade_in_part, stderr = await process.communicate(audiodata[0:15360000])
+ LOGGER.debug("Got %s bytes in memory for fadein_part after sox" % len(fade_in_part))
+ if last_fadeout_data:
+ # perform crossfade with previous fadeout samples
+ fadeinfile = MemoryTempfile(fallback=True).NamedTemporaryFile(buffering=0)
+ fadeinfile.write(fade_in_part)
+ fadeoutfile = MemoryTempfile(fallback=True).NamedTemporaryFile(buffering=0)
+ fadeoutfile.write(last_fadeout_data)
+ args = 'sox -m -v 1.0 -t %s %s -v 1.0 -t %s %s -t %s -' % (pcm_args, fadeoutfile.name, pcm_args, fadeinfile.name, pcm_args)
+ process = await asyncio.create_subprocess_shell(args,
+ stdout=asyncio.subprocess.PIPE, stdin=asyncio.subprocess.PIPE)
+ crossfade_part, stderr = await process.communicate(fade_in_part)
+ LOGGER.debug("Got %s bytes in memory for crossfade_part after sox" % len(crossfade_part))
+ sox_proc.stdin.write(crossfade_part)
+ await sox_proc.stdin.drain()
+ fadeinfile.close()
+ fadeoutfile.close()
+ del crossfade_part
+ del fade_in_part
+ last_fadeout_data = None
+ else:
+ # simply put the fadein part in the final file
+ sox_proc.stdin.write(fade_in_part)
+ await sox_proc.stdin.drain()
+ del fade_in_part
+
+ # get middle frames (main track without the fade-in and fade-out)
+ args = 'sox -t sox - -t %s - trim %s -%s' % (pcm_args, fade_length, fade_length)
+ process = await asyncio.create_subprocess_shell(args,
+ stdout=asyncio.subprocess.PIPE, stdin=asyncio.subprocess.PIPE)
+ middle_part, stderr = await process.communicate(audiodata)
+ LOGGER.debug("Got %s bytes in memory for middle_part after sox" % len(middle_part))
+ sox_proc.stdin.write(middle_part)
+ await sox_proc.stdin.drain()
+ del middle_part
+
+ # get fade out part
+ args = 'sox -t sox - -t %s - reverse trim 0 %s fade t %s reverse ' % (pcm_args, fade_length, fade_length)
+ process = await asyncio.create_subprocess_shell(args,
+ stdout=asyncio.subprocess.PIPE, stdin=asyncio.subprocess.PIPE)
+ last_fadeout_data, stderr = await process.communicate(audiodata)
+ LOGGER.debug("Got %s bytes in memory for fade_out_part after sox" % len(last_fadeout_data))
+ # cleanup audio data
+ del audiodata
+
+ # end of queue reached, pass last fadeout bits to final output
+ if last_fadeout_data:
+ sox_proc.stdin.write(last_fadeout_data)
+ await sox_proc.stdin.drain()
+ sox_proc.stdin.close()
+ await sox_proc.wait()
+ LOGGER.info("streaming of queue for player %s completed" % player_id)
+
+ async def __get_raw_audio(self, track_id, provider, sample_rate=96000):
+ ''' get raw pcm data for a track upsampled to given sample_rate packed as wav '''
+ audiodata = b''
+ cachefile = self.__get_track_cache_filename(track_id, provider)
+ if self.mass.config['base']['http_streamer']['volume_normalisation']:
+ gain_correct = await self.__get_track_gain_correct(track_id, provider)
+ else:
+ gain_correct = -6 # always need some headroom for upsampling and crossfades
+ if os.path.isfile(cachefile):
+ # we have a cache file for this track which we can use
+ args = 'sox -t flac "%s" -t sox - vol %s dB rate -v %s' % (cachefile, gain_correct, sample_rate)
+ process = await asyncio.create_subprocess_shell(args, stdout=asyncio.subprocess.PIPE)
+ else:
+ # stream from provider
+ input_content_type = await self.mass.music.providers[provider].get_stream_content_type(track_id)
+ assert(input_content_type)
+ args = 'sox -t %s - -t sox - vol %s dB rate -v %s' % (input_content_type, gain_correct, sample_rate)
+ process = await asyncio.create_subprocess_shell(args,
+ stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE)
+ asyncio.get_event_loop().create_task(
+ self.__fill_audio_buffer(process.stdin, track_id, provider, input_content_type))
+ #await process.wait()
+ audiodata, stderr = await process.communicate()
+ LOGGER.debug("__get_pcm_audio for track_id %s completed" % track_id)
+ return audiodata
+
async def __get_audio_stream(self, audioqueue, track_id, provider, player_id=None, cancelled=None):
''' get audio stream from provider and apply additional effects/processing where/if needed'''
cachefile = self.__get_track_cache_filename(track_id, provider)
if os.path.isfile(cachefile):
# we have a cache file for this track which we can use
if sox_effects.strip():
- args = 'sox -V3 -t flac "%s" -t flac -C 0 - %s' % (cachefile, sox_effects)
+ args = 'sox -t flac "%s" -t flac -C 0 - %s' % (cachefile, sox_effects)
else:
args = 'sox -t flac "%s" -t flac -C 0 - %s' % cachefile
LOGGER.debug("Running sox with args: %s" % args)
input_content_type = await self.mass.music.providers[provider].get_stream_content_type(track_id)
assert(input_content_type)
if sox_effects.strip():
- args = 'sox -V3 -t %s - -t flac -C 0 - %s' % (input_content_type, sox_effects)
+ args = 'sox -t %s - -t flac -C 0 - %s' % (input_content_type, sox_effects)
else:
args = 'sox -t %s - -t flac -C 0 -' % (input_content_type)
LOGGER.debug("Running sox with args: %s" % args)