/usr/share/pyshared/deejayd/player/gstreamer.py is in deejayd-gstreamer 0.9.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 | # Deejayd, a media player daemon
# Copyright (C) 2007-2009 Mickael Royer <mickael.royer@gmail.com>
# Alexandre Rossi <alexandre.rossi@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import time
import pygst
pygst.require('0.10')
import gobject
import gst
import gst.interfaces
from ConfigParser import NoOptionError
from deejayd.player import PlayerError
from deejayd.player._base import *
from deejayd.ui import log
class GstreamerPlayer(UnknownPlayer):
name = 'gstreamer'
def __init__(self, db, config):
UnknownPlayer.__init__(self, db, config)
self.__volume = 100
# Open a Audio pipeline
pipeline = self.config.get("gstreamer", "audio_output")
if pipeline in ("gconf", "auto"):
pipeline += "audiosink"
else:
pipeline += "sink"
try: audio_sink = gst.parse_launch(pipeline)
except gobject.GError, err:
raise PlayerError(_("No audio sink found for Gstreamer : %s"%err))
# More audio-sink option
if pipeline == "alsasink":
try: alsa_card = self.config.get("gstreamer", "alsa_card")
except NoOptionError: pass
else: audio_sink.set_property('device',alsa_card)
self.bin = gst.element_factory_make('playbin')
self.bin.set_property('video-sink', None)
self.bin.set_property('audio-sink',audio_sink)
self.bin.set_property("auto-flush-bus",True)
bus = self.bin.get_bus()
bus.add_signal_watch()
bus.connect('message', self.on_message)
def init_video_support(self):
raise NotImplementedError
def on_message(self, bus, message):
if message.type == gst.MESSAGE_EOS:
if self._media_file:
try: self._media_file.played()
except AttributeError: pass
self._change_file(self._source.next(explicit = False))
elif message.type == gst.MESSAGE_TAG:
self._update_metadata(message.parse_tag())
elif message.type == gst.MESSAGE_ERROR:
err, debug = message.parse_error()
err = str(err).decode("utf8", 'replace')
log.err("Gstreamer : " + err)
return True
def start_play(self):
if not self._media_file: return
self.bin.set_property('uri',self._media_file["uri"])
state_ret = self.bin.set_state(gst.STATE_PLAYING)
timeout = 4
state = None
while state_ret == gst.STATE_CHANGE_ASYNC and timeout > 0:
state_ret,state,pending_state = self.bin.get_state(1 * gst.SECOND)
timeout -= 1
if state_ret != gst.STATE_CHANGE_SUCCESS:
msg = _("Unable to play file %s") % self._media_file["uri"]
raise PlayerError(msg)
def pause(self):
if self.get_state() == PLAYER_PLAY:
self.bin.set_state(gst.STATE_PAUSED)
elif self.get_state() == PLAYER_PAUSE:
self.bin.set_state(gst.STATE_PLAYING)
else: return
self.dispatch_signame('player.status')
def stop(self,widget = None, event = None):
self._media_file = None
self.bin.set_state(gst.STATE_NULL)
# FIXME : try to remove this one day ...
self._source.queue_reset()
self.dispatch_signame('player.status')
def _change_file(self,new_file):
sig = self.get_state() == PLAYER_STOP and True or False
self.stop()
self._media_file = new_file
self.start_play()
# replaygain reset
self.set_volume(self.__volume, sig=False)
if sig: self.dispatch_signame('player.status')
self.dispatch_signame('player.current')
def get_volume(self):
return self.__volume
def set_volume(self, vol, sig=True):
self.__volume = min(100, int(vol))
v = float(self.__volume)/100
# replaygain support
if self._replaygain and self._media_file is not None:
try: scale = self._media_file.replay_gain()
except AttributeError: pass # replaygain not supported
else:
v = max(0.0, min(4.0, v * scale))
v = float(min(100, int(v * 100)))/100
self.bin.set_property('volume', v)
if sig: self.dispatch_signame('player.status')
def get_position(self):
if gst.STATE_NULL != self.__get_gst_state() and \
self.bin.get_property('uri'):
try: p = self.bin.query_position(gst.FORMAT_TIME)[0]
except gst.QueryError: return 0
p //= gst.SECOND
return p
return 0
def _set_position(self,pos):
if gst.STATE_NULL != self.__get_gst_state() and \
self.bin.get_property('uri'):
pos = max(0, int(pos))
gst_time = pos * gst.SECOND
event = gst.event_new_seek(
1.0, gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH | \
gst.SEEK_FLAG_ACCURATE, gst.SEEK_TYPE_SET, gst_time, \
gst.SEEK_TYPE_NONE, 0)
self.bin.send_event(event)
self.dispatch_signame('player.status')
def _update_metadata(self, tags):
if not self._media_file or self._media_file["type"] != "webradio":
return
for k in tags.keys():
value = str(tags[k]).strip()
if not value: continue
if k in ("emphasis", "mode", "layer"):
continue
elif isinstance(value, basestring):
if k in ("title", "album", "artist"):
name = "song-" + k
if name not in self._media_file.keys() or\
self._media_file[name] != value:
self._media_file[name] = value
self.dispatch_signame('player.current')
def get_state(self):
gst_state = self.__get_gst_state()
if gst_state == gst.STATE_PLAYING:
return PLAYER_PLAY
elif gst_state == gst.STATE_PAUSED:
return PLAYER_PAUSE
else:
return PLAYER_STOP
def __get_gst_state(self):
changestatus,state,_state = self.bin.get_state()
return state
def is_supported_uri(self,uri_type):
if uri_type == "dvd": return False
return gst.element_make_from_uri(gst.URI_SRC,uri_type+"://", '') \
is not None
def is_supported_format(self,format):
formats = {
".mp3": ("mad",),
".mp2": ("mad",),
".ogg": ("ogg", "vorbis"),
".mp4": ("faad",),
".flac": ("flac",),
}
if format in formats.keys():
for plugin in formats[format]:
if gst.registry_get_default().find_plugin(plugin) == None:
return False
return True
return False
# vim: ts=4 sw=4 expandtab
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