def display_rtsp_stream(number):
camera_url = cfg['cam' + str(number)]['url']
lock.acquire()
global g_player
if not g_player:
# first call - for parameters see https://github.com/popcornmix/omxplayer#synopsis
g_player = OMXPlayer(camera_url, ['--no-osd', '--no-keys', '--live'])
else:
if g_player.get_source() != camera_url:
g_player.load(camera_url) # play new stream
lock.release()
class Omx:
def __init__(self, media_folder):
self.player = None
self.media_folder = media_folder
self.expects_loading_exit = False
self.looping = False
def play(self, filename, loop=False):
if self.player:
self.expects_loading_exit = True
self.player.load(filename)
else:
args = ['-b', '--no-osd', '-o', 'both']
if loop:
args += ['--loop']
self.looping = True
else:
self.looping = False
try:
self.player = OMXPlayer(filename, args=args)
except SystemError as e:
print(e)
self.player.stopEvent += self.on_player_stop
self.player.exitEvent += self.on_player_exit
def on_player_stop(self, player):
self.player = None
def on_player_exit(self, player, exit_status):
if self.expects_loading_exit:
self.expects_loading_exit = False
else:
self.player = None
def stop(self):
if not self.player:
return
self.player.stop()
self.player = None
def pause(self):
if not self.player:
return
self.player.play_pause()
def seek_fraction(self, fraction):
if not self.player:
return
duration = self.player.duration()
self.player.set_position(fraction * duration)
def set_volume(self, volume):
if not self.player:
return
if volume > 10:
volume = 10
elif volume < 0:
volume = 0
self.player.set_volume(volume)
def get_source(self):
""" Get player source and remove media folder """
source = self.player.get_source()
if source.startswith(self.media_folder + "/"):
return source[len(self.media_folder) + 1:]
else:
return source
def status(self):
if not self.player:
return {
'status': 'stopped',
'source': None,
}
return {
'status': self.player.playback_status(),
'source': self.get_source(),
'position': self.player.position(),
'duration': self.player.duration(),
'volume': self.player.volume(),
'looping': self.looping,
}
class OmxPlayer():
def __init__(self):
self.player = None
self.paired = False
self.masterIp = None
self.audio_volume = 100.0
# omxplayer callbacks
def posEvent(self, a, b):
print('Position event!' + str(a) + " " + str(b))
# print('Position: ' + str(player.position()) + "s")
return
def seekEvent(self, a, b):
print('seek event! ' + str(b))
return
def triggerStart(self, pathToTrack, withPause=False):
# lrpi_player#105
# Audio output can be routed through hdmi or the jack,
# if settings.json is corrupted, default to the hdmi
settings_json = settings.get_settings()
output_route = settings_json.get("audio_output")
normalised_output_route = 'hdmi'
omxArgs = []
if output_route == 'hdmi':
normalised_output_route = 'hdmi'
omxArgs += ['-w', '--layout', '5.1']
elif output_route == 'jack':
normalised_output_route = 'local'
omxArgs += ['-o', normalised_output_route]
print('OUTPUT: ' + normalised_output_route)
print('Full playing args: ' + str(omxArgs))
if not withPause:
self.player = OMXPlayer(
pathToTrack,
args=omxArgs,
dbus_name='org.mpris.MediaPlayer2.omxplayer0')
sleep(0.25)
elif withPause:
self.player = OMXPlayer(
pathToTrack,
args=omxArgs,
dbus_name='org.mpris.MediaPlayer2.omxplayer0',
pause=True)
# Might need to set the volume to 0 a different way,
# for some tracks omxplayer plays a short, sharp, shock
# before setting the volume to 0
self.player.set_volume(0)
sleep(0.5)
def primeForStart(self, pathToTrack):
self.triggerStart(pathToTrack, withPause=True)
def start(self, pathToTrack, syncTimestamp=None, master=False):
print("Playing on omx... :", master)
print("\n")
print(pathToTrack)
settings_json = settings.get_settings()
volume = settings_json.get("audio_volume")
try:
if not master:
if self.player:
self.player.quit()
self.player = None
if syncTimestamp:
pause.until(syncTimestamp)
if self.player is None or syncTimestamp is None:
self.triggerStart(pathToTrack)
self.player.positionEvent += self.posEvent
self.player.seekEvent += self.seekEvent
# self.player.set_position(0)
if volume is not None:
self.audio_volume = volume
print("Volume set to %s" % self.audio_volume)
self.player.set_volume(float(self.audio_volume) / 100.0)
print('synctime in omxplayer: ', ctime(syncTimestamp))
if master:
self.player.play()
return str(self.player.duration())
except Exception as e:
print(
"ERROR: Could not start player... but audio may still be playing!"
)
print("Why: ", e)
print("returning position 0...")
return str(0)
# action 16 is emulated keypress for playPause
def playPause(self, syncTimestamp=None):
print("Playpausing with syncTimeStamp: ", syncTimestamp)
if syncTimestamp:
pause.until(syncTimestamp)
self.player.action(16)
return str(self.player.duration())
def getPosition(self):
return self.player.position()
def getDuration(self):
return str(self.player.duration())
def mute(self):
print(self.player.volume())
self.player.mute()
def volumeUp(self):
print("upper: ", self.player.volume())
self.player.set_volume(self.player.volume() + 0.1)
def volumeDown(self, interval):
# If we're right at the end of the track, don't try to
# lower the volume or else dbus will disconnect and
# the server will look at though it's crashed
if self.player.duration() - self.player.position() > 1:
print("omx downer: ", self.player.volume())
if (self.player.volume() <= 0.07 or interval == 0):
return False
else:
self.player.set_volume(self.player.volume() -
((1.0 / interval) / 4.0))
return True
return False
def seek(self, position, syncTimestamp=None):
if self.player.can_seek():
self.player.set_position(self.player.duration() *
(position / 100.0))
return self.player.duration() * (position / 100.0)
def status(self, status):
if self.player != None:
print('status requested from omxplayer!')
try:
status["source"] = self.player.get_source()
status["playerState"] = self.player.playback_status()
status["canControl"] = self.player.can_control()
status["position"] = self.player.position()
status["trackDuration"] = self.player.duration()
status["error"] = ""
except Exception as e:
status["playerState"] = ""
status["canControl"] = False
status[
"error"] = "Something went wrong with player status request: " + str(
e)
else:
status["playerState"] = ""
status["canControl"] = False
status["error"] = "Player is not initialized!"
status["paired"] = self.paired
status["master_ip"] = self.masterIp
return status
def setPaired(self, val, masterIp):
self.paired = val
self.masterIp = masterIp
print('paired set to: ', val)
print('master_ip set to: ', masterIp)
def exit(self, syncTimestamp=None):
if syncTimestamp:
pause.until(syncTimestamp)
if self.player:
self.player.quit()
self.__del__()
killOmx()
else:
return 1
def __del__(self):
if self.player:
self.player.quit()
self.player = None
killOmx()
print("OMX died")
