def getPipelineDesc(self):
return '''
filesrc location="%s" !
decodebin name=decoder !
audio/x-raw-int,width=16,depth=16,channels=2 !
level name=level !
%s ! identity name=identity !
filesink location="%s" name=sink''' % (
gstreamer.quoteParse(
self._inpath).encode('utf-8'), self._profile.pipeline,
gstreamer.quoteParse(self._outpath).encode('utf-8'))
def getPipelineDesc(self):
return '''
filesrc location="%s" !
decodebin name=decoder !
audio/x-raw-int,width=16,depth=16,channels=2 !
level name=level !
%s ! identity name=identity !
filesink location="%s" name=sink''' % (
gstreamer.quoteParse(self._inpath).encode('utf-8'),
self._profile.pipeline,
gstreamer.quoteParse(self._outpath).encode('utf-8'))
def getPipelineDesc(self):
# start with an emit interval of one frame, because we end up setting
# the final interval after paused and after processing some samples
# already, which is too late
interval = int(self.gst.SECOND / 75.0)
return '''
filesrc location="%s" !
decodebin name=decoder !
audio/x-raw-int,width=16,depth=16,channels=2 !
level name=level interval=%d !
%s ! identity name=identity !
filesink location="%s" name=sink''' % (
gstreamer.quoteParse(self._inpath).encode('utf-8'), interval,
self._profile.pipeline, gstreamer.quoteParse(
self._outpath).encode('utf-8'))
def getPipelineDesc(self):
# start with an emit interval of one frame, because we end up setting
# the final interval after paused and after processing some samples
# already, which is too late
interval = int(self.gst.SECOND / 75.0)
return '''
filesrc location="%s" !
decodebin name=decoder !
audio/x-raw-int,width=16,depth=16,channels=2 !
level name=level interval=%d !
%s ! identity name=identity !
filesink location="%s" name=sink''' % (
gstreamer.quoteParse(self._inpath).encode('utf-8'),
interval,
self._profile.pipeline,
gstreamer.quoteParse(self._outpath).encode('utf-8'))
def _testSuffix(self, suffix):
# because of https://bugzilla.gnome.org/show_bug.cgi?id=688625
# we first create the file with a 'normal' filename, then rename
self.runner = task.SyncRunner(verbose=False)
fd, path = tempfile.mkstemp()
cmd = "gst-launch " \
"audiotestsrc num-buffers=100 samplesperbuffer=1024 ! " \
"audioconvert ! audio/x-raw-int,width=16,depth=16,channels =2 ! " \
"wavenc ! " \
"filesink location=\"%s\" > /dev/null 2>&1" % (
gstreamer.quoteParse(path).encode('utf-8'), )
self.debug('Running cmd %r' % cmd)
os.system(cmd)
self.failUnless(os.path.exists(path))
os.close(fd)
fd, newpath = tempfile.mkstemp(suffix=suffix)
os.rename(path, newpath)
encodetask = encode.EncodeTask(newpath, newpath + '.out',
encode.WavProfile())
self.runner.run(encodetask, verbose=False)
os.close(fd)
os.unlink(newpath)
os.unlink(newpath + '.out')
def start(self, runner):
task.Task.start(self, runner)
# here to avoid import gst eating our options
import gst
# FIXME: this hardcodes flac; we should be using the correct
# tag element instead
self._pipeline = gst.parse_launch(
'''
filesrc location="%s" !
flactag name=tagger !
filesink location="%s"''' %
(gstreamer.quoteParse(self._inpath).encode('utf-8'),
gstreamer.quoteParse(self._outpath).encode('utf-8')))
# set tags
tagger = self._pipeline.get_by_name('tagger')
if self._taglist:
tagger.merge_tags(self._taglist, gst.TAG_MERGE_APPEND)
self.debug('pausing pipeline')
self._pipeline.set_state(gst.STATE_PAUSED)
self._pipeline.get_state()
self.debug('paused pipeline')
# add eos handling
bus = self._pipeline.get_bus()
bus.add_signal_watch()
bus.connect('message::eos', self._message_eos_cb)
self.debug('scheduling setting to play')
# since set_state returns non-False, adding it as timeout_add
# will repeatedly call it, and block the main loop; so
# gobject.timeout_add(0L, self._pipeline.set_state,
# gst.STATE_PLAYING)
# would not work.
def play():
self._pipeline.set_state(gst.STATE_PLAYING)
return False
self.schedule(0, play)
#self._pipeline.set_state(gst.STATE_PLAYING)
self.debug('scheduled setting to play')
def getPipelineDesc(self):
return """
filesrc location="%s" !
decodebin ! audio/x-raw-int !
fakesink name=sink""" % gstreamer.quoteParse(
self._path
).encode(
"utf-8"
)
def start(self, runner):
task.Task.start(self, runner)
# here to avoid import gst eating our options
import gst
# FIXME: this hardcodes flac; we should be using the correct
# tag element instead
self._pipeline = gst.parse_launch('''
filesrc location="%s" !
flactag name=tagger !
filesink location="%s"''' % (
gstreamer.quoteParse(self._inpath).encode('utf-8'),
gstreamer.quoteParse(self._outpath).encode('utf-8')))
# set tags
tagger = self._pipeline.get_by_name('tagger')
if self._taglist:
tagger.merge_tags(self._taglist, gst.TAG_MERGE_APPEND)
self.debug('pausing pipeline')
self._pipeline.set_state(gst.STATE_PAUSED)
self._pipeline.get_state()
self.debug('paused pipeline')
# add eos handling
bus = self._pipeline.get_bus()
bus.add_signal_watch()
bus.connect('message::eos', self._message_eos_cb)
self.debug('scheduling setting to play')
# since set_state returns non-False, adding it as timeout_add
# will repeatedly call it, and block the main loop; so
# gobject.timeout_add(0L, self._pipeline.set_state,
# gst.STATE_PLAYING)
# would not work.
def play():
self._pipeline.set_state(gst.STATE_PLAYING)
return False
self.schedule(0, play)
#self._pipeline.set_state(gst.STATE_PLAYING)
self.debug('scheduled setting to play')
def getPipelineDesc(self):
return '''
filesrc location="%s" !
decodebin name=decode ! audio/x-raw-int !
appsink name=sink sync=False emit-signals=True
''' % gstreamer.quoteParse(self._path).encode('utf-8')
def getPipelineDesc(self):
return '''
filesrc location="%s" !
decodebin name=decoder !
fakesink''' % (gstreamer.quoteParse(self._path).encode('utf-8'))
def getPipelineDesc(self):
return '''
filesrc location="%s" !
decodebin name=decode ! audio/x-raw-int !
appsink name=sink sync=False emit-signals=True
''' % gstreamer.quoteParse(self._path).encode('utf-8')
def getPipelineDesc(self):
return '''
filesrc location="%s" !
decodebin ! audio/x-raw-int !
fakesink name=sink''' % \
gstreamer.quoteParse(self._path).encode('utf-8')
def getPipelineDesc(self):
return '''
filesrc location="%s" !
decodebin name=decoder !
fakesink''' % (
gstreamer.quoteParse(self._path).encode('utf-8'))
