class PanucciPlayer(ForwardingObservableService):
"""
A proxy object which adds a layer of abstraction between all the different
backends. It picks the right backend for the job and forwards signals from
them.
"""
signals = [ "playing", "paused", "stopped", "eof" ]
def __init__(self, config):
self.__log = logging.getLogger('panucci.player.PanucciPlayer')
ForwardingObservableService.__init__(self, self.signals, self.__log)
self.config = config
if self.config.get("options", "backend") == "gstreamer":
from panucci.backends.gstreamer import Player
elif self.config.get("options", "backend") == "gstreamer1":
from panucci.backends.gstreamer1 import Player
self.__player = Player()
self.__initialized = False
self._start_position = 0
# Forward the following signals
self.forward(self.__player, [ "playing", "paused", "stopped", "eof" ], PanucciPlayer)
#self.__player.register( "playing", self.on_playing )
self.__player.register( "paused", self.on_paused )
self.__player.register( "stopped", self.on_stopped )
self.__player.register( "eof", self.on_stopped )
self.__player.register( "error", self.on_player_error )
def __getattr__(self, attr):
""" If the attribute isn't found in this object, get it from
the player object. This makes proxying function calls simple
and transparent.
"""
if self.__player is not None:
return getattr(self.__player, attr)
else:
self.__log.critical("No player available")
raise AttributeError
def do_seek(self, from_beginning=None, from_current=None, percent=None):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self.playing and self.current_uri:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec, self.current_uri)
# Hand over the seek command to the backend
return self.__player.do_seek(from_beginning, from_current, percent)
def on_playing(self, seek_to):
"""
Used to seek to the correct position once the file has started
playing. This has to be done once the player is ready because
certain player backends can't seek in any state except playing.
"""
if seek_to > 0:
self._seek(seek_to)
pos, dur = self.get_position_duration()
pos_sec = pos / 10**9
dur_sec = dur / 10**9
interface.PlaybackStarted(pos_sec, self.current_uri)
self._start_position = pos_sec
def on_paused(self, *args):
self.on_stopped_paused()
def on_stopped(self, *args):
self.on_stopped_paused()
def on_stopped_paused(self):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self.current_uri:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec, self.current_uri)
def on_stop_requested(self):
self.stop()
def on_reset_playlist(self):
self.stop(True)
self.__player.reset_position_duration()
def on_player_error(self, msg):
self.__log.error("Error: %s", msg)
class PanucciPlayer(ForwardingObservableService):
"""
A proxy object which adds a layer of abstraction between all the different
backends. It picks the right backend for the job and forwards signals from
them.
"""
signals = ["playing", "paused", "stopped", "eof"]
def __init__(self, config):
self.__log = logging.getLogger('panucci.player.PanucciPlayer')
ForwardingObservableService.__init__(self, self.signals, self.__log)
self.config = config
if self.config.get("options", "backend") == "gstreamer":
from panucci.backends.gstreamer import Player
elif self.config.get("options", "backend") == "gstreamer1":
from panucci.backends.gstreamer1 import Player
self.__player = Player()
self.__initialized = False
self._start_position = 0
# Forward the following signals
self.forward(self.__player, ["playing", "paused", "stopped", "eof"],
PanucciPlayer)
#self.__player.register( "playing", self.on_playing )
self.__player.register("paused", self.on_paused)
self.__player.register("stopped", self.on_stopped)
self.__player.register("eof", self.on_stopped)
self.__player.register("error", self.on_player_error)
def __getattr__(self, attr):
""" If the attribute isn't found in this object, get it from
the player object. This makes proxying function calls simple
and transparent.
"""
if self.__player is not None:
return getattr(self.__player, attr)
else:
self.__log.critical("No player available")
raise AttributeError
def do_seek(self, from_beginning=None, from_current=None, percent=None):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self.playing and self.current_uri:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec,
self.current_uri)
# Hand over the seek command to the backend
return self.__player.do_seek(from_beginning, from_current, percent)
def on_playing(self, seek_to):
"""
Used to seek to the correct position once the file has started
playing. This has to be done once the player is ready because
certain player backends can't seek in any state except playing.
"""
if seek_to > 0:
self._seek(seek_to)
pos, dur = self.get_position_duration()
pos_sec = pos / 10**9
dur_sec = dur / 10**9
interface.PlaybackStarted(pos_sec, self.current_uri)
self._start_position = pos_sec
def on_paused(self, *args):
self.on_stopped_paused()
def on_stopped(self, *args):
self.on_stopped_paused()
def on_stopped_paused(self):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self.current_uri:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec,
self.current_uri)
def on_stop_requested(self):
self.stop()
def on_reset_playlist(self):
self.stop(True)
self.__player.reset_position_duration()
def on_player_error(self, msg):
self.__log.error("Error: %s", msg)
class PanucciPlayer(ForwardingObservableService):
"""
A proxy object which adds a layer of abstraction between all the different
backends. It picks the right backend for the job and forwards signals from
them.
"""
signals = [ "playing", "paused", "stopped", "eof" ]
def __init__(self, playlist):
self.__log = logging.getLogger('panucci.player.PanucciPlayer')
ForwardingObservableService.__init__(self, self.signals, self.__log)
self.config = playlist.config
if self.config.get("options", "backend") == "gstreamer":
from panucci.backends.gstreamer import Player
self.__player = Player()
self.__initialized = False
self._start_position = 0
self._is_playing = False
# Forward the following signals
self.forward( self.__player,
[ "playing", "paused", "stopped", "eof" ],
PanucciPlayer )
self.__player.register( "playing", self.on_playing )
self.__player.register( "paused", self.on_stopped )
self.__player.register( "stopped", self.on_stopped )
self.__player.register( "eof", self.on_stopped )
self.__player.register( "error", self.on_player_error )
self.playlist = playlist
self.playlist.register( 'new-track-loaded', self.on_new_track )
self.playlist.register( 'seek-requested', self.do_seek )
self.playlist.register( 'stop-requested', self.on_stop_requested )
self.playlist.register( 'reset-playlist', self.on_reset_playlist )
# Register the d-bus interface only once we're ready
interface.register_player(self)
def __getattr__(self, attr):
""" If the attribute isn't found in this object, get it from
the player object. This makes proxying function calls simple
and transparent.
"""
if self.__player is not None:
return getattr(self.__player, attr)
else:
self.__log.critical("No player available")
raise AttributeError
def add_bookmark_at_current_position( self, label=None ):
""" Adds a bookmark at the current position
Returns: (bookmark lable string, position in nanoseconds)
"""
default_label, position = self.get_formatted_position()
label = default_label if label is None else label
self.playlist.save_bookmark( label, position )
self.__log.info('Added bookmark: %s - %d', label, position)
return label, position
def get_formatted_position(self, pos=None):
""" Gets the current position and converts it to a human-readable str.
Returns: (bookmark lable string, position in nanoseconds)
"""
if pos is None:
(pos, dur) = self.get_position_duration()
text = util.convert_ns(pos)
return (text, pos)
def on_new_track(self):
""" New track callback; stops the player and starts the new track. """
if self.playlist.current_filepath is not None:
filepath = self.playlist.current_filepath
if filepath.startswith('/'):
filepath = 'file://' + filepath
self.load_media(filepath)
# This is just here to prevent the player from starting to play
# when it is first opened. The first time this function is called it
# doesn't run self.play(), but otherwise it will.
if self.__initialized:
self.play()
self.__initialized = True
def do_seek(self, from_beginning=None, from_current=None, percent=None):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self._is_playing and self.current_file:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec, self.current_file)
self._is_playing = False
# Hand over the seek command to the backend
return self.__player.do_seek(from_beginning, from_current, percent)
def on_playing(self):
"""
Used to seek to the correct position once the file has started
playing. This has to be done once the player is ready because
certain player backends can't seek in any state except playing.
"""
seek = self.playlist.play()
if seek > 0:
self._seek(seek)
pos, dur = self.get_position_duration()
pos_sec = pos / 10**9
dur_sec = dur / 10**9
interface.PlaybackStarted(pos_sec, self.current_file)
self._start_position = pos_sec
self._is_playing = True
def on_stopped(self, *args):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self.current_file is not None:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec, self.current_file)
self._is_playing = False
@property
def current_file(self):
return self.playlist.current_filepath
def on_stop_requested(self):
self.playlist.stop( self.get_position_duration()[0] )
self.stop()
self._is_playing = False
def on_reset_playlist(self):
self.on_stop_requested()
self.__player.reset_position_duration()
def on_player_error(self, msg):
self.__log.error("Error: %s", msg)
class PanucciPlayer(ForwardingObservableService):
"""
A proxy object which adds a layer of abstraction between all the different
backends. It picks the right backend for the job and forwards signals from
them.
"""
signals = ["playing", "paused", "stopped", "eof"]
def __init__(self, playlist):
self.__log = logging.getLogger('panucci.player.PanucciPlayer')
ForwardingObservableService.__init__(self, self.signals, self.__log)
self.config = playlist.config
if self.config.get("options", "backend") == "gstreamer":
from panucci.backends.gstreamer import Player
self.__player = Player()
self.__initialized = False
self._start_position = 0
self._is_playing = False
# Forward the following signals
self.forward(self.__player, ["playing", "paused", "stopped", "eof"],
PanucciPlayer)
self.__player.register("playing", self.on_playing)
self.__player.register("paused", self.on_stopped)
self.__player.register("stopped", self.on_stopped)
self.__player.register("eof", self.on_stopped)
self.__player.register("error", self.on_player_error)
self.playlist = playlist
self.playlist.register('new-track-loaded', self.on_new_track)
self.playlist.register('seek-requested', self.do_seek)
self.playlist.register('stop-requested', self.on_stop_requested)
self.playlist.register('reset-playlist', self.on_reset_playlist)
# Register the d-bus interface only once we're ready
interface.register_player(self)
def __getattr__(self, attr):
""" If the attribute isn't found in this object, get it from
the player object. This makes proxying function calls simple
and transparent.
"""
if self.__player is not None:
return getattr(self.__player, attr)
else:
self.__log.critical("No player available")
raise AttributeError
def add_bookmark_at_current_position(self, label=None):
""" Adds a bookmark at the current position
Returns: (bookmark lable string, position in nanoseconds)
"""
default_label, position = self.get_formatted_position()
label = default_label if label is None else label
self.playlist.save_bookmark(label, position)
self.__log.info('Added bookmark: %s - %d', label, position)
return label, position
def get_formatted_position(self, pos=None):
""" Gets the current position and converts it to a human-readable str.
Returns: (bookmark lable string, position in nanoseconds)
"""
if pos is None:
(pos, dur) = self.get_position_duration()
text = util.convert_ns(pos)
return (text, pos)
def on_new_track(self):
""" New track callback; stops the player and starts the new track. """
if self.playlist.current_filepath is not None:
filepath = self.playlist.current_filepath
if filepath.startswith('/'):
filepath = 'file://' + filepath
self.load_media(filepath)
# This is just here to prevent the player from starting to play
# when it is first opened. The first time this function is called it
# doesn't run self.play(), but otherwise it will.
if self.__initialized:
self.play()
self.__initialized = True
def do_seek(self, from_beginning=None, from_current=None, percent=None):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self._is_playing and self.current_file:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec,
self.current_file)
self._is_playing = False
# Hand over the seek command to the backend
return self.__player.do_seek(from_beginning, from_current, percent)
def on_playing(self):
"""
Used to seek to the correct position once the file has started
playing. This has to be done once the player is ready because
certain player backends can't seek in any state except playing.
"""
seek = self.playlist.play()
if seek > 0:
self._seek(seek)
pos, dur = self.get_position_duration()
pos_sec = pos / 10**9
dur_sec = dur / 10**9
interface.PlaybackStarted(pos_sec, self.current_file)
self._start_position = pos_sec
self._is_playing = True
def on_stopped(self, *args):
pos, dur = self.get_position_duration()
pos_sec = max(0, pos / 10**9)
dur_sec = max(0, dur / 10**9)
if self.current_file is not None:
interface.PlaybackStopped(self._start_position, pos_sec, dur_sec,
self.current_file)
self._is_playing = False
@property
def current_file(self):
return self.playlist.current_filepath
def on_stop_requested(self):
self.playlist.stop(self.get_position_duration()[0])
self.stop()
self._is_playing = False
def on_reset_playlist(self):
self.on_stop_requested()
self.__player.reset_position_duration()
def on_player_error(self, msg):
self.__log.error("Error: %s", msg)