def stop_record(self):
a = gst.structure_from_string('letpass')
event = gst.event_new_custom(gst.EVENT_EOS, a)
for bin_name, bin in self.bins.iteritems():
resultado = bin.send_event_to_src(event)
#if resultado:
# print "EOS sended to src of: " + bin_name
return True
def stop_record(self):
a = gst.structure_from_string("letpass")
event = gst.event_new_custom(gst.EVENT_EOS, a)
for bin_name, bin in self.bins.iteritems():
resultado = bin.send_event_to_src(event)
# if resultado:
# print "EOS sended to src of: " + bin_name
return True
def stop_record(self):
self.__duration = self.__query_position() - self.__start_record_time
a = gst.structure_from_string('letpass')
event = gst.event_new_custom(gst.EVENT_EOS, a)
for bin_name, bin in self.bins.iteritems():
resultado = bin.send_event_to_src(event)
#if resultado:
# print "EOS sended to src of: " + bin_name
return True
def stop_record_and_restart_preview(self):
logger.debug("Stopping Recording and Restarting Preview")
a = gst.structure_from_string('letpass')
event = gst.event_new_custom(gst.EVENT_EOS, a)
for bin_name, bin in self.bins.iteritems():
resultado = bin.send_event_to_src(event)
#if resultado:
# print "EOS sended to src of: " + bin_name
self.restart = True # FIXME send user_data on the EOS to force restart
if self.pipeline.get_state()[1] == gst.STATE_PAUSED:
# If paused ensure sending EOS
self.pipeline.set_state(gst.STATE_PLAYING)
return True
def stop_record_and_restart_preview(self):
log.debug("Stopping Recording and Restarting Preview")
a = gst.structure_from_string('letpass')
event = gst.event_new_custom(gst.EVENT_EOS, a)
for bin_name, bin in self.bins.iteritems():
resultado = bin.send_event_to_src(event)
#if resultado:
# print "EOS sended to src of: " + bin_name
self.restart = True # FIXME send user_data on the EOS to force restart
if self.pipeline.get_state()[1] == gst.STATE_PAUSED:
# If paused ensure sending EOS
self.pipeline.set_state(gst.STATE_PLAYING)
return True
def __init__(self):
gst.Bin.__init__(self, 'v4lsrcbin_%d')
self._device = '/dev/video0'
self._norm = 'NTSC'
self._tuner = Tuner(self._device, self._norm)
self._src = gst.element_factory_make('v4lsrc')
self._src.set_property('device', self._device)
self._queue = gst.element_factory_make('queue')
self.add(self._src, self._queue)
# FIXME: make this a property
size = 'width=%s,height=%s' % (720, 576)
caps = gst.structure_from_string('video/x-raw-yuv,%s' % size)
self._src.link_pads_filtered('src', self._queue, 'sink', gst.Caps(caps))
pad = self._queue.get_pad('src')
self._ghost = gst.GhostPad(pad.get_name(), pad)
self.add_pad(self._ghost)
self._chanlist = None
def get_pipeline_string(self, properties):
# setup the properties
self.bus = None
self.videowidth = properties.get('width', 240)
self.videoheight = properties.get(
'height', int(576 * self.videowidth/720.))
self.videoframerate = properties.get('framerate', (25, 2))
self.filelocation = properties.get('location')
vstruct = gst.structure_from_string(
"video/x-raw-yuv,width=%(width)d,height=%(height)d" %
dict(width=self.videowidth, height=self.videoheight))
vstruct['framerate'] = gst.Fraction(self.videoframerate[0],
self.videoframerate[1])
vcaps = gst.Caps(vstruct)
self.run_discoverer()
template = (
'filesrc location=%(location)s'
' ! oggdemux name=demux'
' demux. ! queue ! theoradec name=theoradec'
' ! identity name=videolive single-segment=true silent=true'
' ! videorate name=videorate'
' ! videoscale'
' ! %(vcaps)s'
' ! identity name=vident sync=true silent=true'
' ! @feeder:video@'
' demux. ! queue ! vorbisdec name=vorbisdec'
' ! identity name=audiolive single-segment=true silent=true'
' ! audioconvert'
' ! audio/x-raw-int,width=16,depth=16,signed=(boolean)true'
' ! identity name=aident sync=true silent=true'
' ! @feeder:audio@'
% dict(location=self.filelocation, vcaps=vcaps))
return template
def get_pipeline_string(self, properties):
# setup the properties
self.bus = None
self.videowidth = properties.get('width', 240)
self.videoheight = properties.get(
'height', int(576 * self.videowidth/720.))
self.videoframerate = properties.get('framerate', (25, 2))
self.filelocation = properties.get('location')
vstruct = gst.structure_from_string(
"video/x-raw-yuv,width=%(width)d,height=%(height)d" %
dict(width=self.videowidth, height=self.videoheight))
vstruct['framerate'] = gst.Fraction(self.videoframerate[0],
self.videoframerate[1])
vcaps = gst.Caps(vstruct)
self.run_discoverer()
template = (
'filesrc location=%(location)s'
' ! oggdemux name=demux'
' demux. ! queue ! theoradec name=theoradec'
' ! identity name=videolive single-segment=true silent=true'
' ! videorate name=videorate'
' ! videoscale'
' ! %(vcaps)s'
' ! identity name=vident sync=true silent=true'
' ! @feeder:video@'
' demux. ! queue ! vorbisdec name=vorbisdec'
' ! identity name=audiolive single-segment=true silent=true'
' ! audioconvert'
' ! audio/x-raw-int,width=16,depth=16,signed=(boolean)true'
' ! identity name=aident sync=true silent=true'
' ! @feeder:audio@'
% dict(location=self.filelocation, vcaps=vcaps))
return template
def get_pipeline_string(self, properties):
capsString = properties.get('format', 'video/x-raw-yuv')
if capsString == 'video/x-raw-yuv':
capsString = '%s,format=(fourcc)I420' % capsString
# Filtered caps
struct = gst.structure_from_string(capsString)
for k in 'width', 'height':
if k in properties:
struct[k] = properties[k]
if 'framerate' in properties:
framerate = properties['framerate']
struct['framerate'] = gst.Fraction(framerate[0], framerate[1])
# always set par
struct['pixel-aspect-ratio']= gst.Fraction(1, 1)
if 'pixel-aspect-ratio' in properties:
par = properties['pixel-aspect-ratio']
struct['pixel-aspect-ratio'] = gst.Fraction(par[0], par[1])
# If RGB, set something ffmpegcolorspace can convert.
if capsString == 'video/x-raw-rgb':
struct['red_mask'] = 0xff00
caps = gst.Caps(struct)
is_live = 'is-live=true'
overlay = ""
overlayTimestamps = properties.get('overlay-timestamps', False)
if overlayTimestamps:
overlay = " timeoverlay ! "
return "videotestsrc %s name=source ! " % is_live + overlay + \
"identity name=identity silent=TRUE ! %s" % caps
def get_pipeline_string(self, properties):
capsString = properties.get('format', 'video/x-raw-yuv')
if capsString == 'video/x-raw-yuv':
capsString = '%s,format=(fourcc)I420' % capsString
# Filtered caps
struct = gst.structure_from_string(capsString)
for k in 'width', 'height':
if k in properties:
struct[k] = properties[k]
if 'framerate' in properties:
framerate = properties['framerate']
struct['framerate'] = gst.Fraction(framerate[0], framerate[1])
# always set par
struct['pixel-aspect-ratio'] = gst.Fraction(1, 1)
if 'pixel-aspect-ratio' in properties:
par = properties['pixel-aspect-ratio']
struct['pixel-aspect-ratio'] = gst.Fraction(par[0], par[1])
# If RGB, set something ffmpegcolorspace can convert.
if capsString == 'video/x-raw-rgb':
struct['red_mask'] = 0xff00
caps = gst.Caps(struct)
is_live = 'is-live=true'
overlay = ""
overlayTimestamps = properties.get('overlay-timestamps', False)
if overlayTimestamps:
overlay = " timeoverlay ! "
return "videotestsrc %s name=source ! " % is_live + overlay + \
"identity name=identity silent=TRUE ! %s" % caps
# hack to get a GstDate which we cannot instantiate directly in
# 0.10.15.1
# FIXME: The dates are strings and must have the format 'YYYY',
# 'YYYY-MM' or 'YYYY-MM-DD'.
# GstDate expects a full date, so default to
# Jan and 1st if MM and DD are missing
date = self.metadata.release
if date:
log.debug('metadata',
'Converting release date %r to structure', date)
if len(date) == 4:
date += '-01'
if len(date) == 7:
date += '-01'
s = gst.structure_from_string('hi,date=(GstDate)%s' %
str(date))
ret[gst.TAG_DATE] = s['date']
# no musicbrainz info for htoa tracks
if number > 0:
ret["musicbrainz-trackid"] = mbidTrack
ret["musicbrainz-artistid"] = mbidTrackArtist
ret["musicbrainz-albumid"] = mbidAlbum
ret["musicbrainz-albumartistid"] = mbidTrackAlbum
ret["musicbrainz-discid"] = mbDiscId
# FIXME: gst.TAG_ISRC
return ret
def getHTOA(self):
# hack to get a GstDate which we cannot instantiate directly in
# 0.10.15.1
# FIXME: The dates are strings and must have the format 'YYYY',
# 'YYYY-MM' or 'YYYY-MM-DD'.
# GstDate expects a full date, so default to
# Jan and 1st if MM and DD are missing
date = self.metadata.release
if date:
log.debug('metadata',
'Converting release date %r to structure', date)
if len(date) == 4:
date += '-01'
if len(date) == 7:
date += '-01'
s = gst.structure_from_string('hi,date=(GstDate)%s' %
str(date))
ret[gst.TAG_DATE] = s['date']
# no musicbrainz info for htoa tracks
if number > 0:
ret["musicbrainz-trackid"] = mbidTrack
ret["musicbrainz-artistid"] = mbidTrackArtist
ret["musicbrainz-albumid"] = mbidAlbum
ret["musicbrainz-albumartistid"] = mbidTrackAlbum
ret["musicbrainz-discid"] = mbDiscId
# FIXME: gst.TAG_ISRC
return ret
def getHTOA(self):
# ret[gst.TAG_TRACK_COUNT] = len(self.metadata.tracks)
# hack to get a GstDate which we cannot instantiate directly in
# 0.10.15.1
# FIXME: The dates are strings and must have the format 'YYYY',
# 'YYYY-MM' or 'YYYY-MM-DD'.
# GstDate expects a full date, so default to
# Jan and 1st if MM and DD are missing
date = self.metadata.release
if date:
log.debug("metadata", "Converting release date %r to structure", date)
if len(date) == 4:
date += "-01"
if len(date) == 7:
date += "-01"
s = gst.structure_from_string("hi,date=(GstDate)%s" % str(date))
ret[gst.TAG_DATE] = s["date"]
# no musicbrainz info for htoa tracks
if number > 0:
ret["musicbrainz-trackid"] = mbidTrack
ret["musicbrainz-artistid"] = mbidTrackArtist
ret["musicbrainz-albumid"] = mbidAlbum
ret["musicbrainz-albumartistid"] = mbidTrackAlbum
ret["musicbrainz-discid"] = mbDiscId
# FIXME: gst.TAG_ISRC
return ret
def getHTOA(self):
exit(-1)
# Start the pipeline
ret = pipeline.set_state(gst.STATE_PLAYING)
if ret == gst.STATE_CHANGE_FAILURE:
print "Unable to set the pipeline to the playing state."
exit(-1)
# Wait until error or EOS
bus = pipeline.get_bus()
bus.add_signal_watch()
# Gracefully break on ctrl+c
def sigint_handler(signum, frame):
pipeline.set_state(gst.STATE_NULL)
print "Ending video stream..."
sys.exit()
signal.signal(signal.SIGINT, sigint_handler)
# Create keyframe event
struct = gst.structure_from_string('GstForceKeyUnit')
event = gst.event_new_custom (gst.EVENT_CUSTOM_DOWNSTREAM, struct)
while True:
# Send a force keyframe event every second to allow syncing
pipeline.send_event(event)
sleep(1)
# Free resources
pipeline.set_state(gst.STATE_NULL)
