def _newDecodedPadCb(self, unused_element, pad, is_last):
self.info("pad:%s caps:%s is_last:%s", pad, pad.get_caps(), is_last)
caps_str = str(pad.get_caps())
if caps_str.startswith("video/x-raw"):
self._newVideoPadCb(pad)
else:
self._newPadCb(pad)
# try to get the duration
self._maybeQueryDuration(pad)
caps = pad.props.caps
if caps is not None and caps.is_fixed():
self.debug("got fixed caps for pad %s", pad)
stream = self._addStreamFromPad(pad)
if isinstance(stream, VideoStream):
stream.thumbnail = self.thumbnails[pad]
else:
# add the stream once the caps are fixed
if gst.version() < (0, 10, 21, 1) and \
isinstance(pad, gst.GhostPad):
# see #564863 for the version check
# the isinstance check is there so that we don't have to create
# ghost pads in the tests
pad.get_target().connect("notify::caps", self._capsNotifyCb,
pad)
else:
pad.connect("notify::caps", self._capsNotifyCb)
self.unfixed_pads += 1
self.debug("unfixed pads %d", self.unfixed_pads)
def get_gst_version():
"""Return :mod:`gst` version number as string or ``None``."""
try:
import gst
return ".".join(map(str, gst.version()))
except Exception:
return None
def _newDecodedPadCb(self, unused_element, pad, is_last):
self.info("pad:%s caps:%s is_last:%s", pad, pad.get_caps(), is_last)
caps_str = str(pad.get_caps())
if caps_str.startswith("video/x-raw"):
self._newVideoPadCb(pad)
else:
self._newPadCb(pad)
# try to get the duration
self._maybeQueryDuration(pad)
caps = pad.props.caps
if caps is not None and caps.is_fixed():
self.debug("got fixed caps for pad %s", pad)
stream = self._addStreamFromPad(pad)
if isinstance(stream, VideoStream):
stream.thumbnail = self.thumbnails[pad]
else:
# add the stream once the caps are fixed
if gst.version() < (0, 10, 21, 1) and \
isinstance(pad, gst.GhostPad):
# see #564863 for the version check
# the isinstance check is there so that we don't have to create
# ghost pads in the tests
pad.get_target().connect("notify::caps",
self._capsNotifyCb, pad)
else:
pad.connect("notify::caps", self._capsNotifyCb)
self.unfixed_pads += 1
self.debug("unfixed pads %d", self.unfixed_pads)
def _makeBin(self, *args):
s = self.settings
b = gst.Bin()
self.debug("Creating muxer")
mux = gst.element_factory_make(s.muxer)
for k, v in s.muxersettings.iteritems():
mux.set_property(k, v)
b.add(mux)
self.debug("Ghosting source pad")
gsrc = gst.GhostPad("src", mux.get_pad("src"))
gsrc.set_active(True)
b.add_pad(gsrc)
i = 0
# add all the encoders
for setting in s.settings:
self.debug("Creating encoder %d", i)
b2 = EncoderFactory(setting).makeBin()
b.add(b2)
src2 = b2.get_pad("src")
# request a compatible pad from the muxer
n2 = get_compatible_sink_pad(s.muxer, src2.get_caps())
if n2 == None:
raise Exception("can't find a compatible pad")
# FIXME : We're assuming it's a request pad
p2 = mux.get_request_pad(n2)
if gst.version() < (0, 10, 22, 1):
segment_eater = NewsegmentEater()
b.add(segment_eater)
segment_eater.get_pad('src').link(p2)
p2 = segment_eater.get_pad('sink')
src2.link(p2)
# expose encoder sink pad
gsink = gst.GhostPad("sink_%d" % i,
b2.get_pad("sink"))
gsink.set_active(True)
b.add_pad(gsink)
i += 1
self.debug("Done")
return b
def load_default_channel_list (self):
filename = os.getenv("GST_DVB_CHANNELS_CONF")
if not filename:
gstversion = gst.version()
filename = os.path.expanduser(
"~/.gstreamer-%d.%d/dvb-channels.conf" % (gstversion[0],
gstversion[1]))
if os.path.exists(filename):
f = open(filename, "r")
while True:
line = f.readline()
if not line:
break
if line[0] != '#':
params = line.split(":")
if len(params) == 13:
sid = int(params[12]);
c = { "name":params[0] }
t = { "frequency":int(params[1]) }
self.update_channel (sid, c, t)
f.close()
def do_check(self):
def checkSignal(fact):
fact = fact.load()
signals = gobject.signal_list_names(fact.get_element_type())
return 'block' in signals
def cb(result):
for m in result.messages:
self.addMessage(m)
return result.value
self.debug("checking for input-selector element")
if gst.version() >= (0, 10, 32, 0):
# In release 0.10.32 input-selector was moved to coreelements.
d = check.checkPlugin('coreelements', 'gst-plugins', (0, 10, 5, 2),
'input-selector', checkSignal)
else:
d = check.checkPlugin('selector', 'gst-plugins-bad', (0, 10, 5, 2),
'input-selector', checkSignal)
d.addCallback(cb)
return d
def load_default_channel_list(self):
filename = os.getenv("GST_DVB_CHANNELS_CONF")
if not filename:
gstversion = gst.version()
filename = os.path.expanduser(
"~/.gstreamer-%d.%d/dvb-channels.conf" %
(gstversion[0], gstversion[1]))
if os.path.exists(filename):
f = open(filename, "r")
while True:
line = f.readline()
if not line:
break
if line[0] != '#':
params = line.split(":")
if len(params) == 13:
sid = int(params[12])
c = {"name": params[0]}
t = {"frequency": int(params[1])}
self.update_channel(sid, c, t)
f.close()
def do_check(self):
def checkSignal(fact):
fact = fact.load()
signals = gobject.signal_list_names(fact.get_element_type())
return 'block' in signals
def cb(result):
for m in result.messages:
self.addMessage(m)
return result.value
self.debug("checking for input-selector element")
if gst.version() >= (0, 10, 32, 0):
# In release 0.10.32 input-selector was moved to coreelements.
d = check.checkPlugin('coreelements', 'gst-plugins',
(0, 10, 5, 2), 'input-selector', checkSignal)
else:
d = check.checkPlugin('selector', 'gst-plugins-bad',
(0, 10, 5, 2), 'input-selector', checkSignal)
d.addCallback(cb)
return d
# 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
import pygst
pygst.require("0.10")
import gst
import ocv_constants
gstver = gst.version()
if ocv_constants.USE_AUDIORATE is None:
if gstver[2] > 10:
ocv_constants.USE_AUDIORATE = True
else:
ocv_constants.USE_AUDIORATE = False
if ocv_constants.HAVE_SCHRO is None:
ocv_constants.HAVE_SCHRO = False
if gstver[2] > 10:
schrofac = gst.element_factory_find("schroenc")
if schrofac is not None:
if schrofac.check_version(0,10,14):
print "Schrödinger encoder found, using"
__version__ = '$Revision$'
__date__ = '$Date$'
__copyright__ = 'Copyright (c) 2012 Ángel Guzmán Maeso'
__license__ = 'GPL'
import gtk
import pygtk
pygtk.require('2.0')
#import gobject
import pygst
pygst.require('0.10')
import gst
import os, sys
print gst.version_string()
print gst.version()
print gst.__file__
class Video:
def __init__(self):
def on_message(bus, message):
if message.type == gst.MESSAGE_EOS:
# End of Stream
player.set_state(gst.STATE_NULL)
elif message.type == gst.MESSAGE_ERROR:
player.set_state(gst.STATE_NULL)
(err, debug) = message.parse_error()
print "Error: %s" % err, debug
def output_results(self):
filename = os.getenv("GST_DVB_CHANNELS_CONF")
if not filename:
gstversion = gst.version()
filename = os.path.expanduser(
"~/.gstreamer-%d.%d/dvb-channels.conf" % (gstversion[0],
gstversion[1]))
print "Filename: %s" % filename
file = open(filename, "w")
lines = []
for sid in self.channels.keys():
chan = self.channels[sid]
tuningparams = None
line = ""
#print "%s:::::::::" % chan["name"]
if chan.has_key("name") and chan["name"]:
line = "%s:" % chan["name"]
else:
line = "[%d]:" % sid
if chan.has_key("transport-stream-id"):
tuningparams = \
self.transport_streams[chan["transport-stream-id"]]
else:
continue
if self.adaptertype == "DVB-T":
line = "%s%d:INVERSION_AUTO:" % (line,
tuningparams["frequency"])
line = "%sBANDWIDTH_%s_MHZ:" % (line,
tuningparams["bandwidth"])
fecstr = ""
if tuningparams["code-rate-hp"] == "1/2":
fecstr = "FEC_1_2"
elif tuningparams["code-rate-hp"] == "2/3":
fecstr = "FEC_2_3"
elif tuningparams["code-rate-hp"] == "3/4":
fecstr = "FEC_3_4"
elif tuningparams["code-rate-hp"] == "5/6":
fecstr = "FEC_5_6"
elif tuningparams["code-rate-hp"] == "7/8":
fecstr = "FEC_7_8"
else:
fecstr = "FEC_AUTO"
line = "%s%s:" % (line, fecstr)
if tuningparams["code-rate-lp"] == "1/2":
fecstr = "FEC_1_2"
elif tuningparams["code-rate-lp"] == "2/3":
fecstr = "FEC_2_3"
elif tuningparams["code-rate-lp"] == "3/4":
fecstr = "FEC_3_4"
elif tuningparams["code-rate-lp"] == "5/6":
fecstr = "FEC_5_6"
elif tuningparams["code-rate-lp"] == "7/8":
fecstr = "FEC_7_8"
else:
fecstr = "FEC_AUTO"
line = "%s%s:" % (line, fecstr)
constellation = ""
if tuningparams["constellation"] == "QPSK":
constellation = "QPSK"
elif tuningparams["constellation"] == "QAM16":
constellation = "QAM_16"
else:
constellation = "QAM_64"
line = "%s%s:" % (line, constellation)
if tuningparams["transmission-mode"] == "2k":
line = "%sTRANSMISSION_MODE_2K:" % line
else:
line = "%sTRANSMISSION_MODE_8K:" % line
line = "%sGUARD_INTEVAL_1_%d:" % (line,
tuningparams["guard-interval"])
if tuningparams["hierarchy"] == 0:
line = "%sHIERARCHY_NONE:" % line
else:
line = "%sHIERARCHY_%d:" % (line, tuningparams["hierarchy"])
line = "%s0:0:%d\n" % (line, sid)
elif self.adaptertype == "DVB-S":
line = "%s%d:%s:0:%d:0:0:%d\n" % (line,
tuningparams["frequency"]/1000,
tuningparams["polarization"][0],
tuningparams["symbol-rate"], sid)
elif self.adaptertype == "DVB-C":
fecstr = ""
if tuningparams["inner-fec"] == "1/2":
fecstr = "FEC_1_2"
elif tuningparams["inner-fec"] == "2/3":
fecstr = "FEC_2_3"
elif tuningparams["inner-fec"] == "3/4":
fecstr = "FEC_3_4"
elif tuningparams["inner-fec"] == "5/6":
fecstr = "FEC_5_6"
elif tuningparams["inner-fec"] == "7/8":
fecstr = "FEC_7_8"
else:
fecstr = "FEC_AUTO"
modulation = ""
if tuningparams["modulation"] == "QAM16":
modulation = "QAM_16"
elif tuningparams["modulation"] == "QAM32":
modulation = "QAM_32"
elif tuningparams["modulation"] == "QAM64":
modulation = "QAM_64"
elif tuningparams["modulation"] == "QAM128":
modulation = "QAM_128"
elif tuningparams["modulation"] == "QAM256":
modulation = "QAM_256"
else:
modulation = "QAM_64"
line = "%s%d:INVERSION_AUTO:%d:%s:%s:0:0:%d\n" % (line,
tuningparams["frequency"],
tuningparams["symbol-rate"],
fecstr, modulation, sid)
lines.append(line)
print line
file.writelines(lines)
file.close()
def gstreamerVersion():
import gst
return _versionify(gst.version())
END=Last song from playlist
SPACE=Pause/Start
LEFT/RIGHT=+/-10 Seconds
UP/DOWN=Next/Previous Song
ESC/Q=Quit
F=Fullscreen/Window'
''')
print " "
print "dacapo Version: %s" %(fver(oConfig.getConfig('version', ' ', ' ')))
print " "
print "Python Version: %s" %(fver(version_info))
print " "
print "GTK+: %s.%s.%s" %(Gtk.MAJOR_VERSION, Gtk.MINOR_VERSION, Gtk.MICRO_VERSION)
print " "
print "GStreamer: %s / PyGSt: %s" % (
fver(gst.version()), fver(gst.pygst_version))
print " "
print "pyGame Version: %s / SDL: %s" % (
pygame.version.ver, fver(pygame.get_sdl_version()))
print " "
return
def fver(tup):
return ".".join(map(str, tup))
# -------------------- showPicsHelp() -----------------------------------------------------------------
def showPicsHelp():
''' <!-- showPics: Bilder anzeigen? Mögliche Werte:
NO = Keine Bilder anzeigen, nur metadata
SPACE=Pause/Start
LEFT/RIGHT=+/-10 Seconds
UP/DOWN=Next/Previous Song
ESC/Q=Quit
F=Fullscreen/Window'
''')
print " "
print "dacapo Version: %s" % (fver(oConfig.getConfig('version', ' ', ' ')))
print " "
print "Python Version: %s" % (fver(version_info))
print " "
print "GTK+: %s.%s.%s" % (Gtk.MAJOR_VERSION, Gtk.MINOR_VERSION,
Gtk.MICRO_VERSION)
print " "
print "GStreamer: %s / PyGSt: %s" % (fver(
gst.version()), fver(gst.pygst_version))
print " "
print "pyGame Version: %s / SDL: %s" % (pygame.version.ver,
fver(pygame.get_sdl_version()))
print " "
return
def fver(tup):
return ".".join(map(str, tup))
# -------------------- showPicsHelp() -----------------------------------------------------------------
def showPicsHelp():
def gstreamerVersion():
import gst
return _versionify(gst.version())
def output_results(self):
filename = os.getenv("GST_DVB_CHANNELS_CONF")
if not filename:
gstversion = gst.version()
filename = os.path.expanduser(
"~/.gstreamer-%d.%d/dvb-channels.conf" %
(gstversion[0], gstversion[1]))
print "Filename: %s" % filename
file = open(filename, "w")
lines = []
for sid in self.channels.keys():
chan = self.channels[sid]
tuningparams = None
line = ""
#print "%s:::::::::" % chan["name"]
if chan.has_key("name") and chan["name"]:
line = "%s:" % chan["name"]
else:
line = "[%d]:" % sid
if chan.has_key("transport-stream-id"):
tuningparams = \
self.transport_streams[chan["transport-stream-id"]]
else:
continue
if self.adaptertype == "DVB-T":
line = "%s%d:INVERSION_AUTO:" % (line,
tuningparams["frequency"])
line = "%sBANDWIDTH_%s_MHZ:" % (line,
tuningparams["bandwidth"])
fecstr = ""
if tuningparams["code-rate-hp"] == "1/2":
fecstr = "FEC_1_2"
elif tuningparams["code-rate-hp"] == "2/3":
fecstr = "FEC_2_3"
elif tuningparams["code-rate-hp"] == "3/4":
fecstr = "FEC_3_4"
elif tuningparams["code-rate-hp"] == "5/6":
fecstr = "FEC_5_6"
elif tuningparams["code-rate-hp"] == "7/8":
fecstr = "FEC_7_8"
else:
fecstr = "FEC_AUTO"
line = "%s%s:" % (line, fecstr)
if tuningparams["code-rate-lp"] == "1/2":
fecstr = "FEC_1_2"
elif tuningparams["code-rate-lp"] == "2/3":
fecstr = "FEC_2_3"
elif tuningparams["code-rate-lp"] == "3/4":
fecstr = "FEC_3_4"
elif tuningparams["code-rate-lp"] == "5/6":
fecstr = "FEC_5_6"
elif tuningparams["code-rate-lp"] == "7/8":
fecstr = "FEC_7_8"
else:
fecstr = "FEC_AUTO"
line = "%s%s:" % (line, fecstr)
constellation = ""
if tuningparams["constellation"] == "QPSK":
constellation = "QPSK"
elif tuningparams["constellation"] == "QAM16":
constellation = "QAM_16"
else:
constellation = "QAM_64"
line = "%s%s:" % (line, constellation)
if tuningparams["transmission-mode"] == "2k":
line = "%sTRANSMISSION_MODE_2K:" % line
else:
line = "%sTRANSMISSION_MODE_8K:" % line
line = "%sGUARD_INTEVAL_1_%d:" % (
line, tuningparams["guard-interval"])
if tuningparams["hierarchy"] == 0:
line = "%sHIERARCHY_NONE:" % line
else:
line = "%sHIERARCHY_%d:" % (line,
tuningparams["hierarchy"])
line = "%s0:0:%d\n" % (line, sid)
elif self.adaptertype == "DVB-S":
line = "%s%d:%s:0:%d:0:0:%d\n" % (
line, tuningparams["frequency"] / 1000,
tuningparams["polarization"][0],
tuningparams["symbol-rate"], sid)
elif self.adaptertype == "DVB-C":
fecstr = ""
if tuningparams["inner-fec"] == "1/2":
fecstr = "FEC_1_2"
elif tuningparams["inner-fec"] == "2/3":
fecstr = "FEC_2_3"
elif tuningparams["inner-fec"] == "3/4":
fecstr = "FEC_3_4"
elif tuningparams["inner-fec"] == "5/6":
fecstr = "FEC_5_6"
elif tuningparams["inner-fec"] == "7/8":
fecstr = "FEC_7_8"
else:
fecstr = "FEC_AUTO"
modulation = ""
if tuningparams["modulation"] == "QAM16":
modulation = "QAM_16"
elif tuningparams["modulation"] == "QAM32":
modulation = "QAM_32"
elif tuningparams["modulation"] == "QAM64":
modulation = "QAM_64"
elif tuningparams["modulation"] == "QAM128":
modulation = "QAM_128"
elif tuningparams["modulation"] == "QAM256":
modulation = "QAM_256"
else:
modulation = "QAM_64"
line = "%s%d:INVERSION_AUTO:%d:%s:%s:0:0:%d\n" % (
line, tuningparams["frequency"],
tuningparams["symbol-rate"], fecstr, modulation, sid)
lines.append(line)
print line
file.writelines(lines)
file.close()
def _computeAndSetValues(self):
""" Calculate the new values to set on capsfilter and videobox. """
if self.widthin == -1 or self.heightin == -1 or self.widthout == -1 or self.heightout == -1:
# FIXME : should we reset videobox/capsfilter properties here ?
self.error("We don't have input and output caps, we can't calculate videobox values")
return
self.log("incoming width/height/PAR/DAR : %d/%d/%r/%r" % (self.widthin, self.heightin,
self.parin, self.darin))
self.log("outgoing width/height/PAR/DAR : %d/%d/%r/%r" % (self.widthout, self.heightout,
self.parout, self.darout))
# for core <= 0.10.22 we always set caps != any, see 574805 for the
# details
if self.darin == self.darout and gst.version() >= (0, 10, 23):
self.log("We have same input and output caps, resetting capsfilter and videobox settings")
# same DAR, set inputcaps on capsfilter, reset videobox values
astr = "width=%d,height=%d" % (self.widthout, self.heightout)
caps = gst.caps_from_string("video/x-raw-yuv,%s;video/x-raw-rgb,%s" % (astr, astr))
left = 0
right = 0
top = 0
bottom = 0
else:
par = self.parout
dar = self.darin
if float(self.darin) > float(self.darout):
self.log("incoming DAR is greater that ougoing DAR. Adding top/bottom borders")
# width, PAR stays the same as output
# calculate newheight = (PAR * widthout) / DAR
newheight = (par.num * self.widthout * dar.denom) / (par.denom * dar.num)
self.log("newheight should be %d" % newheight)
extra = self.heightout - newheight
top = extra / 2
bottom = extra - top # compensate for odd extra
left = right = 0
# calculate filter caps
astr = "width=%d,height=%d" % (self.widthout, newheight)
else:
self.log("incoming DAR is smaller than outgoing DAR. Adding left/right borders")
# height, PAR stays the same as output
# calculate newwidth = (DAR * heightout) / PAR
newwidth = (dar.num * self.heightout * par.denom) / (dar.denom * par.num)
self.log("newwidth should be %d" % newwidth)
extra = self.widthout - newwidth
left = extra / 2
right = extra - left # compensate for odd extra
top = bottom = 0
# calculate filter caps
astr = "width=%d,height=%d" % (newwidth, self.heightout)
caps = gst.caps_from_string("video/x-raw-yuv,%s;video/x-raw-rgb,%s" % (astr, astr))
# set properties on elements
self.debug("About to set left/right/top/bottom : %d/%d/%d/%d" % (-left, -right, -top, -bottom))
self.videobox.props.left = -left
self.videobox.props.right = -right
self.videobox.props.top = -top
self.videobox.props.bottom = -bottom
self.debug("Settings filter caps %s" % caps.to_string())
self.capsfilter.props.caps = caps
self.debug("done")
