def queue(self, media):
""" Queues the next media to be played """
# Check current state
self.readyEvent.wait()
got_to_start_playing = False
with self.idleCond:
if self.stopped:
raise Stopped
if not self.next_media is None:
raise RuntimeError, \
"Another media has been queued already"
if self.playing_media is None:
got_to_start_playing = True
self.next_media = media
# Get mediafile and set up file descriptor
self.l.debug('queueing %s' % media)
try:
mf = media.mediaFile
except KeyError:
self.l.error("%s's mediafile doesn't exist" % media)
return
stream = mf.open()
wrapper = None
if hasattr(stream, 'fileno'):
uri = 'fd://%s' % stream.fileno()
else:
wrapper = SocketPairWrappedFile(stream)
self.threadPool.execute_named(
wrapper.run,
'%s wrapper.run %s' % (self.l.name, wrapper.fileno()))
uri = 'fd://%s' % wrapper.fileno()
self.next_wrapper = wrapper
self.next_stream = stream
# Queue in the playbin
self.bin.set_property('uri', uri)
# Inject TRACK_GAIN and TRACK_PEAK tags
tl = gst.TagList()
tl[gst.TAG_TRACK_GAIN] = media.trackGain
tl[gst.TAG_TRACK_PEAK] = media.trackPeak
self.rg_event = gst.event_new_tag(tl)
# Start playing -- if not already
if got_to_start_playing or self.in_a_skip:
self.bin.set_state(gst.STATE_PLAYING)
self.idle = False
def get_info(self, stream):
wrapper = None
if hasattr(stream, 'fileno'):
uri = 'fd://%s' % stream.fileno()
else:
wrapper = SocketPairWrappedFile(stream)
uri = 'fd://%s' % wrapper.fileno()
self.threadPool.execute_named(
wrapper.run,
'%s wrapper.run %s' % (self.l.name, wrapper.fileno()))
j = GstMediaInfo.Job(self, uri)
with self.lock:
self.jobs.add(j)
j.event.wait()
with self.lock:
self.jobs.remove(j)
if not wrapper is None:
wrapper.close()
if j.inError:
raise ValueError
return j.result
