def pause(self):
self._wait_no_more_pads()
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PAUSED)
if self.sound:
self.sound.pause()
else:
self._start_time = time.time() - self._start_time
self.playing = False
def __init__(self, filename, file):
super(GstreamerOpenALStreamingMedium, self).__init__()
self.filename = filename
self.file = file
# Set up a decoder pipeline just enough to determine if there's
# sound/video in the medium. The pipeline is otherwise unused.
self._pipeline = self._create_decoder_pipeline(filename, file)
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PLAYING)
def play(self):
instances.append(self)
self._wait_no_more_pads()
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PLAYING)
if self.sound:
self.sound.play()
else:
self._start_time = time.time() - self._start_time
self.playing = True
def __init__(self, filename, file):
super(GstreamerOpenALStreamingSound, self).__init__()
self._pipeline = self._create_decoder_pipeline(filename, file)
self.sink = gst.gst_element_factory_make('openalstreamingsink', 'sink')
gst.gst_bin_add(self._pipeline, self.sink)
gst.gst_element_link(self.convert, self.sink)
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PAUSED)
def __init__(self, filename, file=None):
super(GstreamerOpenALStaticMedium, self).__init__()
self._pipeline = self._create_decoder_pipeline(filename, file)
self._sink = gst.gst_element_factory_make('openalstaticsink', 'sink')
gst.gst_bin_add(self._pipeline, self._sink)
gst.gst_element_link(self.convert, self._sink)
self._element = OpenALStaticSinkElement.get_instance(self._sink)
self._element.init()
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PLAYING)
def __init__(self, filename, file):
super(GstreamerOpenALStreamingVideo, self).__init__()
# Block frame format until width/height arrives
self._frame_format_semaphore = threading.Semaphore(0)
self._pipeline = self._create_decoder_pipeline(filename, file)
self.sink = gst.gst_element_factory_make('openalstreamingsink', 'sink')
gst.gst_bin_add(self._pipeline, self.sink)
gst.gst_element_link(self.convert, self.sink)
self.videoconvert = \
gst.gst_element_factory_make('ffmpegcolorspace', 'videoconvert')
gst.gst_bin_add(self._pipeline, self.videoconvert)
gst.gst_element_link(self.videoconvert, self.sink)
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PAUSED)
self._frames = [] # queued upcoming video frames
self._last_frame_timestamp = 0.
def _no_more_pads_deferred(self):
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_NULL)
gst.gst_object_unref(self._pipeline)
def pause(self):
super(GstreamerOpenALStreamingSound, self).pause()
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PAUSED)
def play(self):
instances.append(self)
super(GstreamerOpenALStreamingSound, self).play()
gst.gst_element_set_state(self._pipeline, gstreamer.GST_STATE_PLAYING)
def _destroy_pipeline(self, pipeline):
gst.gst_element_set_state(pipeline, gstreamer.GST_STATE_NULL)
gst.gst_object_unref(pipeline)
del self._no_more_pads_func
del self._new_decoded_pad_func
