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first version of pyplayer3.py

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Tilman
2017-10-09 22:42:42 +02:00
parent 6c5fac6353
commit 341539bdab
3 changed files with 96 additions and 107 deletions
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code/piplayer3.py
+88 -97
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@@ -6,7 +6,10 @@ import time
import subprocess
import select # for polling zbarcam, see http://stackoverflow.com/a/10759061/3761783
import os
import requests
logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s - %(message)s')
logging.info('Initializing')
# Configuration
MUSIC_BASE_DIRECTORY = "/home/pi/music/"
@@ -16,7 +19,8 @@ SOUND_SCAN_FAIL = "/home/pi/piplayer2/sounds/fail-05.mp3"
SOUND_PLAYBACK_ERROR = "/home/pi/piplayer2/sounds/error.mp3"
QR_SCANNER_TIMEOUT = 3
MUSIC_EXTENSIONS = ['.aac', '.ac3', '.aiff', '.amr', '.au', '.flac', '.m4a', '.mid', '.mka', '.mp3', '.ogg', '.ra', '.voc', '.wav', '.wma']
MOPIDY_URL = 'http://127.0.0.1:6680/mopidy/rpc'
MUSIC_EXTENSIONS = ('.aac', '.ac3', '.aiff', '.amr', '.au', '.flac', '.m4a', '.mid', '.mka', '.mp3', '.ogg', '.ra', '.voc', '.wav', '.wma')
# photo sensor on PIN 17
PIN_SENSOR = 17
@@ -33,9 +37,6 @@ PIN_PLAY = 10
PIN_NEXT = 11
logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s - %(message)s')
logging.info('Initializing')
GPIO.setmode(GPIO.BCM)
GPIO.setup(PIN_SENSOR, GPIO.IN)
@@ -50,61 +51,72 @@ GPIO.setup(PIN_PREV, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(PIN_PLAY, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(PIN_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
position = 0
def btn1_callback(channel):
logging.debug('PREV_CALLBACK')
out, err = subprocess.Popen(['mocp','-Q', '%state'], stdout=subprocess.PIPE).communicate()
if (out.decode("utf-8").startswith('PLAY')):
out, err = subprocess.Popen(['mocp','-Q', '%cs'], stdout=subprocess.PIPE).communicate()
position = int(out.decode("utf-8"))
if (position < 4):
logging.debug('mocp --previous')
subprocess.call(["mocp", "--previous"])
else:
logging.debug('mocp --jump 0s')
subprocess.call(["mocp", "--jump", "0s"])
def btn2_callback(channel):
logging.debug('mocp --toggle-pause')
subprocess.call(["mocp", "--toggle-pause"])
def btn3_callback(channel):
logging.debug('mocp --next')
subprocess.call(["mocp", "--next"])
def clear_playlist():
return True
def add_file(filename):
return True
def start_playing():
return True
def play_sound(filename):
clear_playlist()
add_file(filename)
start_playing()
GPIO.add_event_detect(PIN_PREV, GPIO.FALLING, callback=btn1_callback, bouncetime=400)
GPIO.add_event_detect(PIN_PLAY, GPIO.FALLING, callback=btn2_callback, bouncetime=400)
GPIO.add_event_detect(PIN_NEXT, GPIO.FALLING, callback=btn3_callback, bouncetime=400)
def call(method, params=None):
if (params is None):
json = '{"jsonrpc": "2.0", "id": 1, "method": "' + method + '"}'
else:
json = '{"jsonrpc": "2.0", "id": 1, "method": "' + method + '" , "params": ' + params + '}'
response = requests.post(MOPIDY_URL, data=json)
logging.debug(response.text)
return response
def add_uri(filename):
logging.debug('Adding ' + filename)
call('core.tracklist.add', '{"uri": "' + filename + '"}')
def play_sound(filename):
call('core.tracklist.clear')
add_uri(filename)
call('core.playback.play')
def list_files(dir):
r = []
for path, dirs, files in os.walk(dir):
dirs.sort()
files.sort()
for name in files:
r.append(os.path.join(path, name))
return r
def btn1_callback(channel):
json = call('core.playback.get_time_position').json()
position = json['result']
if (position < 4):
call('core.playback.previous')
else:
call('core.playback.seek', '{ "time_position": 0 }')
def btn2_callback(channel):
json = call('core.playback.get_time_position').json()
state = json['result']
if (state == 'playing'):
call('core.playback.pause')
else:
call('core.playback.play')
def btn3_callback(channel):
call('core.playback.next')
try:
logging.info('Start moc server')
subprocess.call(["mocp", "--server"])
subprocess.call(["mocp", "--clear"])
subprocess.call(["mocp", "-l", SOUND_OK])
play_sound(SOUND_OK)
while True:
logging.debug('Wait for photo sensor')
GPIO.wait_for_edge(PIN_SENSOR, GPIO.RISING)
logging.debug('Photo sensor active, activating light and camera')
subprocess.call(["mocp", "-l", SOUND_SCANNING])
play_sound(SOUND_SCANNING)
# turn LED on
GPIO.output(PIN_LED, GPIO.HIGH)
@@ -124,66 +136,50 @@ try:
if (poll_result):
try:
qr_code = zbarcam.stdout.readline().rstrip()
qr_code = qr_code.decode("utf-8") # python3
logging.info("QR Code: {}".format(qr_code))
if (not qr_code.startswith("http://")):
# create full path
full_path = MUSIC_BASE_DIRECTORY + qr_code
logging.debug("Full Path {}".format(full_path))
if (not os.path.isfile(full_path)):
logging.debug("not a file, add as directory")
directory = full_path
logging.debug("Directory {}".format(directory))
else:
logging.debug("it's a file")
directory = os.path.dirname(os.path.realpath(full_path))
filename = os.path.basename(full_path)
logging.debug("Directory {}".format(directory))
logging.debug("Filename {}".format(filename))
os.chdir(directory)
else:
logging.debug("URL, open as stream")
stream_url = qr_code
subprocess.call(["mocp", "--clear"])
subprocess.call(["mocp", "--stop"])
# play confirmation sound
play_sound(SOUND_OK)
call('core.tracklist.clear')
logging.debug("Stopped")
# play confirmation sound
subprocess.call(["mocp", "-l", SOUND_OK])
qr_code = zbarcam.stdout.readline().rstrip()
qr_code = qr_code.decode("utf-8") # python3
logging.info("QR Code: " + qr_code)
if (not qr_code.startswith("http://", "spotify:")):
# create full path
full_path = MUSIC_BASE_DIRECTORY + qr_code
if (not os.path.isfile(full_path)):
logging.debug("Not a file, recursively add all audio files in directory")
filenames = list_files(full_path)
for filename in filenames:
if filename.lower().endswith(MUSIC_EXTENSIONS):
file_uri = 'file://' + filename
add_uri(file_uri)
else:
logging.debug("It's a file")
add_uri("file://" + full_path)
if ('stream_url' in locals()):
logging.debug("Add stream")
subprocess.check_call(["mocp", "-a", stream_url])
del stream_url
elif ('filename' in locals()):
logging.debug("Add file {}".format(filename))
subprocess.check_call(["mocp", "-a", filename])
del filename
else:
logging.debug("Add directory {}".format(directory))
subprocess.check_call(["mocp", "-a", "."])
logging.debug("URL, open directly")
add_uri(qr_code)
logging.debug("Start playback")
subprocess.check_call(["mocp", "-p"])
call('core.playback.play')
except subprocess.CalledProcessError as e:
logging.error("Error starting playback, mocp returned {}".format(e.returncode))
logging.error(e.output)
subprocess.call(["mocp", "-l", SOUND_PLAYBACK_ERROR])
play_sound(SOUND_PLAYBACK_ERROR)
except FileNotFoundError as e:
logging.error("Could not open directory {}".format(directory))
subprocess.call(["mocp", "-l", SOUND_PLAYBACK_ERROR])
play_sound(SOUND_PLAYBACK_ERROR)
else:
logging.warning('Timeout on zbarcam')
subprocess.call(["mocp", "-l", SOUND_SCAN_FAIL])
play_sound(SOUND_SCAN_FAIL)
zbarcam.terminate()
@@ -201,10 +197,5 @@ except KeyboardInterrupt:
logging.info('Shutdown')
finally:
logging.info('Close moc server')
subprocess.call(["mocp", "--exit"])
logging.info('Reset GPIO configuration and close')
GPIO.cleanup()
code/test/call_mopidy.py
+2 -2
View File
@@ -31,7 +31,7 @@ def start_playing():
def play_sound(filename):
clear_playlist()
add_file(filename)
add_uri(filename)
start_playing()
def list_files(dir):
@@ -56,7 +56,7 @@ for filename in filenames:
start_playing()
time.sleep(3)
time.sleep(2)
json = call('core.playback.get_time_position').json()
print(json['result'])
notes.md
+6 -8
View File
@@ -21,6 +21,10 @@ https://docs.mopidy.com/en/latest/api/core/#mopidy.core.mopidy.core.LibraryContr
https://docs.mopidy.com/en/latest/ext/file/
ncmpcpp
https://docs.mopidy.com/en/latest/service/
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.describe"}' http://127.0.0.1:6680/mopidy/rpc
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.playback.pause"}' http://127.0.0.1:6680/mopidy/rpc
@@ -32,23 +36,17 @@ curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "m
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "spotify:track:5tf1VVWniHgryyumXyJM7w"}}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "file:///home/tilman/Musik/04%20-%20The%20Funeral.mp3"}}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "http://www.wdr.de/wdrlive/media/kiraka.m3u"}}' http://127.0.0.1:6680/mopidy/rpc
curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.add" , "params": {"uri": "/home/tilman/Musik/04 - The Funeral.mp3"}}' http://127.0.0.1:6680/mopidy/rpc
curl -d '{"jsonrpc": "2.0", "id": 1, "method": "core.playback.play"}' http://127.0.0.1:6680/mopidy/rpc
https://docs.mopidy.com/en/latest/service/
https://open.spotify.com/track/3jQyadhLTxpxadQlkFh2b8
https://open.spotify.com/episode/1o8HWRR0mx5TfyxLlnKv8e
https://open.spotify.com/show/4zQKHBLkM3puG5n3jAU2H4
https://open.spotify.com/album/0BajiiFeEZv9eEx07Hw2C0
ncmpcpp
## Hardware
- PHAT DAC installieren - http://www.instructables.com/id/Multiroom-Client-With-Raspberry-Pi-ZERO-and-PHAT-D/?ALLSTEPS