def __init__(self, sessionid, audio_format):
gst.Bin.__init__(self)
capsfilter = gst.element_factory_make("capsfilter")
volume = gst.element_factory_make("volume")
volume.set_property("volume", settings.config["master_volume"])
shout2send = gst.element_factory_make("shout2send")
shout2send.set_property("username", "source")
shout2send.set_property("password", "roundice")
shout2send.set_property("mount", server.icecast_mount_point(sessionid, audio_format))
self.add(capsfilter, volume, shout2send)
capsfilter.link(volume)
if audio_format.upper() == "MP3":
capsfilter.set_property(
"caps",
gst.caps_from_string("audio/x-raw-int,rate=44100,channels=2,width=16,depth=16,signed=(boolean)true"),
)
lame = gst.element_factory_make("lame")
self.add(lame)
gst.element_link_many(volume, lame, shout2send)
elif audio_format.upper() == "OGG":
capsfilter.set_property("caps", gst.caps_from_string("audio/x-raw-float,rate=44100,channels=2,width=32"))
vorbisenc = gst.element_factory_make("vorbisenc")
oggmux = gst.element_factory_make("oggmux")
self.add(vorbisenc, oggmux)
gst.element_link_many(volume, vorbisenc, oggmux, shout2send)
else:
raise "Invalid format"
pad = capsfilter.get_pad("sink")
ghostpad = gst.GhostPad("sink", pad)
self.add_pad(ghostpad)
def load_inputs(self, player, mixer, inputs):
# Load main source
input1 = inputs[0]
player.add(input1)
mainsrc_capsfilter = gst.element_factory_make("capsfilter", "mainsrc_capsfilter")
mainsrc_capsfilter.set_property('caps',
gst.caps_from_string('video/x-raw-rgb, width=640, height=480'))
player.add(mainsrc_capsfilter)
input1.link(mainsrc_capsfilter)
srcpad = mainsrc_capsfilter.get_pad("src")
sinkpad = mixer.get_pad("sink_main")
srcpad.link(sinkpad)
# Load the secondary source
input2 = inputs[1]
player.add(input2)
pipsrc_capsfilter = gst.element_factory_make("capsfilter", "pipsrc_capsfilter")
pipsrc_capsfilter.set_property('caps',
gst.caps_from_string('video/x-raw-rgb, width=200, height=150'))
player.add(pipsrc_capsfilter)
input2.link(pipsrc_capsfilter)
srcpad = pipsrc_capsfilter.get_pad("src")
sinkpad = mixer.get_pad("sink_pip")
srcpad.link(sinkpad)
def create_pipeline(self):
self.labelDebugData.set_text("start pipeline")
src = gst.element_factory_make("v4l2camsrc", "src")
src.set_property ("device", "/dev/video0")
#check dev for video call if this doesn't work
#src.set_property ("always-copy", True)
#src.set_property ("width", 640)
#src.set_property ("height", 480)
#src.set_property ("framerate", 30)
#src = gst.element_factory_make("v4l2camsrc", "src")
self.pipeline.add(src)
screen_csp = gst.element_factory_make("ffmpegcolorspace", "screen_csp")
self.pipeline.add(screen_csp)
screen_caps = gst.element_factory_make("capsfilter", "screen_caps")
# Alternate caps to run outside Internet Tablet (e.g. in a PC with webcam)
screen_caps.set_property('caps', gst.caps_from_string("video/x-raw-yuv,width=640,height=480"))
#screen_caps.set_property('caps', gst.caps_from_string("video/x-raw-yuv,width=640,height=480,bpp=24,depth=24,framerate=30/1"))
self.pipeline.add(screen_caps)
image_csp = gst.element_factory_make("ffmpegcolorspace", "image_csp")
self.pipeline.add(image_csp)
image_caps = gst.element_factory_make("capsfilter", "image_caps")
# Alternate caps to run outside Internet Tablet (e.g. in a PC with webcam)
image_caps.set_property('caps', gst.caps_from_string("video/x-raw-yuv,width=640,height=480"))
self.pipeline.add(image_caps)
tee = gst.element_factory_make("tee", "tee")
self.pipeline.add(tee)
screen_queue = gst.element_factory_make("queue", "screen_queue")
self.pipeline.add(screen_queue)
self.screen_sink = gst.element_factory_make("xvimagesink", "screen_sink")
self.pipeline.add(self.screen_sink)
image_queue = gst.element_factory_make("queue", "image_queue")
self.pipeline.add(image_queue)
image_sink = gst.element_factory_make("fakesink", "image_sink")
self.pipeline.add(image_sink)
self.pad = image_sink.get_pad('sink')
self.pad.add_buffer_probe(self.buffer_cb)
gst.element_link_many(src, tee, screen_caps, screen_csp, screen_queue, self.screen_sink)
#gst.element_link_many(src, screen_caps, tee, screen_queue, sink)
gst.element_link_many(tee, image_caps, image_csp, image_queue, image_sink)
self.window.show_all()
self.pipeline.set_state(gst.STATE_PLAYING)
self.labelDebugData.set_text("end pipeline")
def configure_pipeline(self, pipeline, properties):
self._vsource = self.pipeline.get_by_name("vsrc")
self._vsource.set_property('caps',
gst.caps_from_string("image/jpeg, width=320, height=240"))
self._asource = self.pipeline.get_by_name("asrc")
self._asource.set_property('caps',
gst.caps_from_string("audio/x-raw-int,rate=16000,channels=1,width=16,depth=16,signed=true,endianness=1234"))
self.debug("Configured pipeline")
class AudioResyncer(gst.Element):
'''
I retimestamp incomming buffers adding a fixed delay.
'''
__gproperties__ = {
'delay': (float, 'delay (in ms)',
'Resynchronisation delay in milliseconds',
-1000000, 1000000, 0,
gobject.PARAM_READWRITE)}
_sinkpadtemplate = gst.PadTemplate("sink",
gst.PAD_SINK,
gst.PAD_ALWAYS,
gst.caps_from_string(
"audio/x-raw-float;"
"audio/x-raw-int"))
_srcpadtemplate = gst.PadTemplate("src",
gst.PAD_SRC,
gst.PAD_ALWAYS,
gst.caps_from_string(
"audio/x-raw-float;"
"audio/x-raw-int"))
def __init__(self, delay=0):
gst.Element.__init__(self)
self.sinkpad = gst.Pad(self._sinkpadtemplate, "sink")
self.sinkpad.set_chain_function(self.chainfunc)
self.add_pad(self.sinkpad)
self.srcpad = gst.Pad(self._srcpadtemplate, "src")
self.add_pad(self.srcpad)
self._delay = long(delay * gst.MSECOND)
print self._delay
def do_get_property(self, property):
if property.name == "delay":
return self._delay
else:
raise AttributeError('unknown property %s' % property.name)
def do_set_property(self, property, value):
if property.name == "delay":
self._delay = long(value * gst.MSECOND)
else:
raise AttributeError('unknown property %s' % property.name)
def chainfunc(self, pad, buffer):
if self._delay != 0:
buffer.make_metadata_writable
buffer.timestamp = buffer.timestamp + self._delay
self.srcpad.push(buffer)
return gst.FLOW_OK
def old():
filepipe = gst.Pipeline("filepipe")
# fromfile = gst.element_factory_make('audiotestsrc','testfile')
# fromfile = gst.element_factory_make('filesrc','testfile')
# fromfile.set_property('location','falling.wav')
# fromfile.set_state(gst.STATE_PLAYING)
# gtk.main()
append_pipe(filepipe, 'testfile', 'filesrc', { 'location' : 'falling.wav' })
append_pipe(filepipe, 'decodebin', 'decodebin2', {})
append_pipe(filepipe, 'audioconvert', 'audioconvert', {})
file_volume = append_pipe(filepipe, 'filevolume', 'volume', {})
file_ident = gst.element_factory_make("identity")
filepipe.add(file_ident) # needed?
fileoutcaps = gst.caps_from_string("audio/x-raw-int,channels=2,rate=44100,depth=16")
# isn't this just sequential 'link'?
file_volume.link(file_ident, fileoutcaps)
filepipe_srcpad = gst.GhostPad("src", file_ident.get_pad("src"))
# append_pipe(filepipe, 'speaker', 'alsasink', {})
# filepipe.set_state(gst.STATE_PLAYING)
## Mic pipe
micpipe = gst.Pipeline("micpipe")
append_pipe(micpipe, 'mic', 'alsasrc',{})
mic_volume = append_pipe(micpipe, 'micvolume', 'volume', {})
mic_ident = gst.element_factory_make("identity")
micpipe.add(mic_ident) # needed?
micoutcaps = gst.caps_from_string("audio/x-raw-int,channels=2,rate=44100,depth=16")
# isn't this just sequential 'link'?
mic_volume.link(mic_ident, micoutcaps)
micpipe_srcpad = gst.GhostPad("src", mic_ident.get_pad("src"))
# append_pipe(micpipe, 'speaker', 'alsasink', {})
# micpipe.set_state(gst.STATE_PLAYING)
# MIX
mix = gst.Pipeline("mix")
mix.add(filepipe)
mix.add(micpipe)
mixer = append_pipe(mix,"adder",'adder', {})
ch1 = mixer.get_request_pad('sink%d')
filepipe_srcpad.link(ch1)
ch2 = mixer.get_request_pad('sink%d')
micpipe_srcpad.link(ch2)
append_pipe(mix, 'audioconvert', 'audioconvert', {})
append_pipe(mix, 'mixspeaker', 'alsasink', {})
mix.set_state(gst.STATE_PLAYING)
gtk.main()
def old():
filepipe = gst.Pipeline("filepipe")
# fromfile = gst.element_factory_make('audiotestsrc','testfile')
# fromfile = gst.element_factory_make('filesrc','testfile')
# fromfile.set_property('location','falling.wav')
# fromfile.set_state(gst.STATE_PLAYING)
# gtk.main()
append_pipe(filepipe, 'testfile', 'filesrc', {'location': 'falling.wav'})
append_pipe(filepipe, 'decodebin', 'decodebin2', {})
append_pipe(filepipe, 'audioconvert', 'audioconvert', {})
file_volume = append_pipe(filepipe, 'filevolume', 'volume', {})
file_ident = gst.element_factory_make("identity")
filepipe.add(file_ident) # needed?
fileoutcaps = gst.caps_from_string(
"audio/x-raw-int,channels=2,rate=44100,depth=16")
# isn't this just sequential 'link'?
file_volume.link(file_ident, fileoutcaps)
filepipe_srcpad = gst.GhostPad("src", file_ident.get_pad("src"))
# append_pipe(filepipe, 'speaker', 'alsasink', {})
# filepipe.set_state(gst.STATE_PLAYING)
## Mic pipe
micpipe = gst.Pipeline("micpipe")
append_pipe(micpipe, 'mic', 'alsasrc', {})
mic_volume = append_pipe(micpipe, 'micvolume', 'volume', {})
mic_ident = gst.element_factory_make("identity")
micpipe.add(mic_ident) # needed?
micoutcaps = gst.caps_from_string(
"audio/x-raw-int,channels=2,rate=44100,depth=16")
# isn't this just sequential 'link'?
mic_volume.link(mic_ident, micoutcaps)
micpipe_srcpad = gst.GhostPad("src", mic_ident.get_pad("src"))
# append_pipe(micpipe, 'speaker', 'alsasink', {})
# micpipe.set_state(gst.STATE_PLAYING)
# MIX
mix = gst.Pipeline("mix")
mix.add(filepipe)
mix.add(micpipe)
mixer = append_pipe(mix, "adder", 'adder', {})
ch1 = mixer.get_request_pad('sink%d')
filepipe_srcpad.link(ch1)
ch2 = mixer.get_request_pad('sink%d')
micpipe_srcpad.link(ch2)
append_pipe(mix, 'audioconvert', 'audioconvert', {})
append_pipe(mix, 'mixspeaker', 'alsasink', {})
mix.set_state(gst.STATE_PLAYING)
gtk.main()
def make_caps(self, width, height):
caps = {}
inside_width = width/3
inside_height = height/3
resolution = ",width=" + str(inside_width) + ",height=" + str(inside_height)
caps_string_inside = "video/x-raw-yuv" + resolution
resolution = ",width=" + str(width) + ",height=" + str(height)
caps_string_outside = "video/x-raw-yuv" + resolution
caps['B'] = gst.caps_from_string(caps_string_inside)
caps['A'] = gst.caps_from_string(caps_string_outside)
return caps
def make_caps(self, width, height):
caps = {}
inside_width = width/3
inside_height = height/3
resolution = ",width=" + str(inside_width) + ",height=" + str(inside_height)
caps_string_inside = "video/x-raw-yuv" + resolution
resolution = ",width=" + str(width) + ",height=" + str(height)
caps_string_outside = "video/x-raw-yuv" + resolution
caps['B'] = gst.caps_from_string(caps_string_inside)
caps['A'] = gst.caps_from_string(caps_string_outside)
return caps
def load_inputs(self, player, mixer, inputs):
# Load main source
input1 = inputs[0]
# Create videoscale element in order to scale to dimensions not supported by camera
mainsrc_scale = gst.element_factory_make("videoscale", "mainsrc_scale")
# Create ffmpegcolorspace element to convert from what camera supports to rgb
mainsrc_colorspace = gst.element_factory_make("ffmpegcolorspace", "mainsrc_colorspace")
# Create capsfilter for limiting to x-raw-rgb pixel video format and setting dimensions
mainsrc_capsfilter = gst.element_factory_make("capsfilter", "mainsrc_capsfilter")
mainsrc_capsfilter.set_property('caps',
gst.caps_from_string('video/x-raw-rgb, width=640, height=480'))
mainsrc_elements = [input1, mainsrc_scale, mainsrc_capsfilter, mainsrc_colorspace]
# Add elements to player in list order
map(lambda element: player.add(element), mainsrc_elements)
# Link elements in a specific order
input1.link(mainsrc_scale)
mainsrc_scale.link(mainsrc_capsfilter)
mainsrc_capsfilter.link(mainsrc_colorspace)
# Link colorspace element to sink pad for pixel format conversion
srcpad = mainsrc_colorspace.get_pad("src")
sinkpad = mixer.get_pad("sink_main")
srcpad.link(sinkpad)
# Load the secondary source
input2 = inputs[1]
# Create gst elements as above, but set smaller dimensions
pipsrc_scale = gst.element_factory_make("videoscale", "pipsrc_scale")
pipsrc_colorspace = gst.element_factory_make("ffmpegcolorspace", "pipsrc_colorspace")
pipsrc_capsfilter = gst.element_factory_make("capsfilter", "pipsrc_capsfilter")
pipsrc_capsfilter.set_property('caps',
gst.caps_from_string('video/x-raw-rgb, width=200, height=150'))
pipsrc_elements = [input2, pipsrc_scale, pipsrc_capsfilter, pipsrc_colorspace]
#Add elements to player in list order
map(lambda element: player.add(element), pipsrc_elements)
# Link elements in specific order
input2.link(pipsrc_scale)
pipsrc_scale.link(pipsrc_capsfilter)
pipsrc_capsfilter.link(pipsrc_colorspace)
# Link colorspace element to sink pad for pixel format conversion
srcpad = pipsrc_colorspace.get_pad("src")
sinkpad = mixer.get_pad("sink_pip")
srcpad.link(sinkpad)
def get_videomixer_bin(self):
bin = gst.Bin()
# Video Rate
videorate = gst.element_factory_make("videorate", "videorate")
bin.add(videorate)
videorate_cap = gst.element_factory_make("capsfilter",
"video_rate_cap")
videorate_cap.set_property(
"caps",
gst.caps_from_string(
"%s, framerate=%d/1" %
(self.config.input_type, self.config.framerate)))
bin.add(videorate_cap)
# --- End Video Rate
# Video Scaler (Resolution)
videoscale = gst.element_factory_make("videoscale", "videoscale")
bin.add(videoscale)
videoscale_cap = gst.element_factory_make("capsfilter",
"videoscale_cap")
# Change the resolution of the source video.
log.debug("Record Resolution: %s", self.config.resolution)
if self.config.resolution != "No Scaling":
width, height = widget.resmap[self.config.resolution]
videoscale_cap.set_property(
'caps',
gst.caps_from_string("{}, width={}, height={}".format(
self.config.input_type, width, height)))
bin.add(videoscale_cap)
# --- End Video Scaler
colorspace = gst.element_factory_make("ffmpegcolorspace", "colorspace")
bin.add(colorspace)
# Link Elements
videorate.link(videorate_cap)
videorate_cap.link(videoscale)
videoscale.link(videoscale_cap)
videoscale_cap.link(colorspace)
# Setup ghost pad
sinkpad = videorate.get_pad("sink")
sink_ghostpad = gst.GhostPad("sink", sinkpad)
bin.add_pad(sink_ghostpad)
srcpad = colorspace.get_pad("src")
src_ghostpad = gst.GhostPad("src", srcpad)
bin.add_pad(src_ghostpad)
return bin
def __init__(self):
pipe = gst.element_factory_make('pipeline', "cam2soma_pipeline")
cam = gst.element_factory_make('dc1394src', "camera")
cfiltVid = gst.element_factory_make('capsfilter', "camera_capsfilter")
cfiltVid.set_property('caps', gst.caps_from_string("video/x-raw-gray, width=640, height=480, framerate=100/1"))
qVid = gst.element_factory_make('queue', "q_video")
qVid.set_property("leaky", 2)
qVid.set_property("max-size-buffers", 1)
color = gst.element_factory_make('ffmpegcolorspace', "color")
pipe.add(cam)
pipe.add(cfiltVid)
pipe.add(qVid)
pipe.add(color)
gst.element_link_many(cam, cfiltVid, qVid, color)
events = gst.element_factory_make('somaeventsource', "ses")
cfiltEv = gst.element_factory_make('capsfilter', "events_capsfilter")
cfiltEv.set_property('caps', gst.caps_from_string("soma/event, src=74"))
camEv = gst.element_factory_make('somacameraevent', 'sce')
qEv = gst.element_factory_make('queue', "q_events")
qEv.set_property("leaky", 2)
qEv.set_property("max-size-buffers", 1)
pipe.add(events)
pipe.add(cfiltEv)
pipe.add(camEv)
pipe.add(qEv)
gst.element_link_many(events, cfiltEv, camEv, qEv)
sync = gst.element_factory_make('somasynctracker')
pipe.add(sync)
qEv.link_pads('src', sync, "diode_sink")
color.link_pads('src', sync, "video_sink")
posPad = gst.GhostPad("pos_src", sync.get_pad('pos_src'))
bwPad = gst.GhostPad("bw_src", sync.get_pad('bw_src'))
videoPad = gst.GhostPad("video_src", sync.get_pad('video_src'))
pipe.add_pad(posPad)
pipe.add_pad(bwPad)
pipe.add_pad(videoPad)
self.pipeline = pipe
def __init__(self, sessionid, audio_format, bitrate):
gst.Bin.__init__(self)
#self.taginjector = gst.element_factory_make("taginject")
#self.taginjector.set_property("tags","title=\"asset_id=123\"")
capsfilter = gst.element_factory_make("capsfilter")
volume = gst.element_factory_make("volume")
volume.set_property("volume", settings.config["master_volume"])
shout2send = gst.element_factory_make("shout2send")
shout2send.set_property("username",
settings.config["icecast_source_username"])
shout2send.set_property("password",
settings.config["icecast_source_password"])
#shout2send.set_property("username", "source")
#shout2send.set_property("password", "roundice")
shout2send.set_property("mount",
icecast_mount_point(sessionid, audio_format))
#shout2send.set_property("streamname","initial name")
#self.add(capsfilter, volume, self.taginjector, shout2send)
self.add(capsfilter, volume, shout2send)
capsfilter.link(volume)
if audio_format.upper() == "MP3":
capsfilter.set_property(
"caps",
gst.caps_from_string(
"audio/x-raw-int,rate=44100,channels=2,width=16,depth=16,signed=(boolean)true"
))
lame = gst.element_factory_make("lame")
lame.set_property("bitrate", int(bitrate))
logging.debug("roundstreamsink: bitrate: " + str(int(bitrate)))
self.add(lame)
#gst.element_link_many(volume, lame, self.taginjector, shout2send)
gst.element_link_many(volume, lame, shout2send)
elif audio_format.upper() == "OGG":
capsfilter.set_property(
"caps",
gst.caps_from_string(
"audio/x-raw-float,rate=44100,channels=2,width=32"))
vorbisenc = gst.element_factory_make("vorbisenc")
oggmux = gst.element_factory_make("oggmux")
self.add(vorbisenc, oggmux)
#gst.element_link_many(volume, vorbisenc, oggmux, self.taginjector, shout2send)
gst.element_link_many(volume, vorbisenc, oggmux, shout2send)
else:
raise "Invalid format"
pad = capsfilter.get_pad("sink")
ghostpad = gst.GhostPad("sink", pad)
self.add_pad(ghostpad)
class AsxDecoder(BasePlaylistElement):
__gstdetails__ = ('ASX Decoder', 'Decoder',
'Convert .asx to text/uri-list', 'Mopidy')
sinkpad_template = gst.PadTemplate('sink', gst.PAD_SINK, gst.PAD_ALWAYS,
gst.caps_from_string('audio/x-ms-asx'))
srcpad_template = gst.PadTemplate('src', gst.PAD_SRC, gst.PAD_ALWAYS,
gst.caps_from_string('text/uri-list'))
__gsttemplates__ = (sinkpad_template, srcpad_template)
def convert(self, data):
return parse_asx(data)
def init_pipeline(self):
"""Function pipeline constructs a pipeline containing a stream
from the camera.
"""
# Create pipeline:
# /-> screen_queue -> csp2 -> screen_sink
# img_src (camera) -> csp -> tee -|
# \-> image_queue -> image_sink
#
self.pipeline = gst.Pipeline("camera-pipeline")
self.img_src = gst.element_factory_make("v4l2camsrc", "img_src")
self.img_src.set_property("device", "/dev/video1")
self.csp = gst.element_factory_make("ffmpegcolorspace", "csp")
self.caps1 = gst.element_factory_make("capsfilter", "caps1")
self.caps1.set_property(
"caps",
gst.caps_from_string("video/x-raw-rgb,width=%i,height=%i,bpp=24,depth=24" % (self.width, self.height)),
)
self.csp2 = gst.element_factory_make("ffmpegcolorspace", "csp2")
self.caps2 = gst.element_factory_make("capsfilter", "caps2")
self.caps2.set_property("caps", gst.caps_from_string("video/x-raw-yuv"))
self.tee = gst.element_factory_make("tee", "tee")
self.screen_queue = gst.element_factory_make("queue", "screen_queue")
self.image_queue = gst.element_factory_make("queue", "image_queue")
self.screen_sink = gst.element_factory_make("xvimagesink", "screen_sink")
self.image_sink = gst.element_factory_make("fakesink", "image_sink")
self.pipeline.add(
self.img_src,
self.csp,
self.caps1,
self.csp2,
self.caps2,
self.tee,
self.screen_queue,
self.image_queue,
self.screen_sink,
self.image_sink,
)
# Link the pipeline
gst.element_link_many(self.img_src, self.csp, self.caps1, self.tee)
if self.overlay:
gst.element_link_many(self.tee, self.screen_queue, self.csp2, self.caps2, self.screen_sink)
gst.element_link_many(self.tee, self.image_queue, self.image_sink)
# Tell image_sink to emit handoff signals
self.image_sink.set_property("signal-handoffs", True)
self.pipeline.set_state(gst.STATE_PLAYING)
def get_videomixer_bin(self):
bin = gst.Bin()
# Video Rate
videorate = gst.element_factory_make("videorate", "videorate")
bin.add(videorate)
videorate_cap = gst.element_factory_make("capsfilter",
"video_rate_cap")
videorate_cap.set_property("caps",
gst.caps_from_string("%s, framerate=%d/1" % (self.config.input_type, self.config.framerate)))
bin.add(videorate_cap)
# --- End Video Rate
# Video Scaler (Resolution)
videoscale = gst.element_factory_make("videoscale", "videoscale")
bin.add(videoscale)
videoscale_cap = gst.element_factory_make("capsfilter",
"videoscale_cap")
# Change the resolution of the source video.
log.debug("Record Resolution: %s", self.config.resolution)
if self.config.resolution != "No Scaling":
width, height = widget.resmap[self.config.resolution]
videoscale_cap.set_property('caps',
gst.caps_from_string("{}, width={}, height={}"
.format(self.config.input_type, width, height)))
bin.add(videoscale_cap)
# --- End Video Scaler
colorspace = gst.element_factory_make("ffmpegcolorspace", "colorspace")
bin.add(colorspace)
# Link Elements
videorate.link(videorate_cap)
videorate_cap.link(videoscale)
videoscale.link(videoscale_cap)
videoscale_cap.link(colorspace)
# Setup ghost pad
sinkpad = videorate.get_pad("sink")
sink_ghostpad = gst.GhostPad("sink", sinkpad)
bin.add_pad(sink_ghostpad)
srcpad = colorspace.get_pad("src")
src_ghostpad = gst.GhostPad("src", srcpad)
bin.add_pad(src_ghostpad)
return bin
class XspfDecoder(BasePlaylistElement):
__gstdetails__ = ('XSPF Decoder', 'Decoder',
'Convert .pls to text/uri-list', 'Mopidy')
sinkpad_template = gst.PadTemplate(
'sink', gst.PAD_SINK, gst.PAD_ALWAYS,
gst.caps_from_string('application/xspf+xml'))
srcpad_template = gst.PadTemplate('src', gst.PAD_SRC, gst.PAD_ALWAYS,
gst.caps_from_string('text/uri-list'))
__gsttemplates__ = (sinkpad_template, srcpad_template)
def convert(self, data):
return parse_xspf(data)
def get_videomixer_bin(self):
bin = gst.Bin()
# Video Rate
videorate = gst.element_factory_make("videorate", "videorate")
bin.add(videorate)
videorate_cap = gst.element_factory_make("capsfilter",
"video_rate_cap")
videorate_cap.set_property(
"caps",
gst.caps_from_string(
"%s, framerate=%d/1" %
(self.config.input_type, self.config.framerate)))
bin.add(videorate_cap)
# --- End Video Rate
# Video Scaler (Resolution)
videoscale = gst.element_factory_make("videoscale", "videoscale")
bin.add(videoscale)
videoscale_cap = gst.element_factory_make("capsfilter",
"videoscale_cap")
if self.config.resolution != "NOSCALE":
videoscale_cap.set_property(
'caps',
gst.caps_from_string('%s, width=640, height=480' %
(self.config.input_type)))
bin.add(videoscale_cap)
# --- End Video Scaler
colorspace = gst.element_factory_make("ffmpegcolorspace", "colorspace")
bin.add(colorspace)
# Link Elements
videorate.link(videorate_cap)
videorate_cap.link(videoscale)
videoscale.link(videoscale_cap)
videoscale_cap.link(colorspace)
# Setup ghost pad
sinkpad = videorate.get_pad("sink")
sink_ghostpad = gst.GhostPad("sink", sinkpad)
bin.add_pad(sink_ghostpad)
srcpad = colorspace.get_pad("src")
src_ghostpad = gst.GhostPad("src", srcpad)
bin.add_pad(src_ghostpad)
return bin
def config(self, dict):
self.video_src.set_property("pattern", int(dict["pattern"]))
caps = gst.caps_from_string("video/x-raw-yuv, width=%d, height=%d;"
"video/x-raw-rgb, width=%d, height=%d" %
(int(dict["width"]), int(dict["height"]),
int(dict["width"]), int(dict["height"])))
self.capsfilter.set_property("caps", caps)
def __init__(self):
#pozriet sa na toto este
self.caps = gst.caps_from_string("audio/x-raw-int, channels=2, rate=44100, width=16, depth=16")
self.playlist = Playlist()
self.pipeline = gst.Pipeline("player")
self.status = None
self.now_playing = None
#create adder and tee
self.adder = gst.element_factory_make("adder", "adder")
self.__adder_sink = None
self.tee = gst.element_factory_make("tee", "tee")
self.pipeline.add(self.adder, self.tee)
adder_src = self.adder.get_pad("src")
adder_src.link(self.tee.get_pad("sink"))
outputbin = OutputBin()
self.pipeline.add(outputbin)
tee_src = self.tee.get_request_pad("src%d")
tee_src.link(outputbin.get_pad("sink"))
self.bus = self.pipeline.get_bus()
self.bus.add_signal_watch()
self.bus.connect("message", self.on_message)
def __init__(self, needed_caps):
self._width = None
self._height = None
self._CurrentFrame = None
gobject.threads_init()
self._mutex = mutex()
gst.Bin.__init__(self)
self._capsfilter = gst.element_factory_make ("capsfilter", "capsfilter")
caps = gst.caps_from_string(needed_caps)
self._capsfilter.set_property("caps",caps)
self.add(self._capsfilter)
fakesink = gst.element_factory_make('fakesink','fakesink')
fakesink.set_property("sync",True)
self.add(fakesink)
self._capsfilter.link(fakesink)
pad = self._capsfilter.get_pad("sink")
ghostpad = gst.GhostPad("sink", pad)
pad2probe = fakesink.get_pad("sink")
pad2probe.add_buffer_probe(self.buffer_probe)
self.add_pad(ghostpad)
self.sink = self._capsfilter
def getAudioCaps(self):
""" Returns the GstCaps corresponding to the audio settings """
astr = "rate=%d,channels=%d" % (self.audiorate, self.audiochannels)
astrcaps = gst.caps_from_string("audio/x-raw-int,%s;audio/x-raw-float,%s" % (astr, astr))
if self.aencoder:
return get_compatible_sink_caps(self.aencoder, astrcaps)
return astrcaps
def setupGst(self):
print "Setting up gstreamer pipeline"
self.gstWindowId = self.video_container.winId()
self.player = gst.Pipeline("player")
self.tee = gst.element_factory_make("tee")
sinkx = gst.element_factory_make("ximagesink", 'sinkx_overview')
fcs = gst.element_factory_make('ffmpegcolorspace')
caps = gst.caps_from_string('video/x-raw-yuv')
self.capture_enc = gst.element_factory_make("jpegenc")
self.capture_sink = gst.element_factory_make("capturesink")
self.capture_sink_queue = gst.element_factory_make("queue")
self.resizer = gst.element_factory_make("videoscale")
# Video render stream
self.player.add(self.source, self.tee)
gst.element_link_many(self.source, self.tee)
self.player.add(fcs, self.resizer, sinkx)
gst.element_link_many(self.tee, fcs, self.resizer, sinkx)
self.player.add(self.capture_sink_queue, self.capture_enc,
self.capture_sink)
gst.element_link_many(self.tee, self.capture_sink_queue,
self.capture_enc, self.capture_sink)
bus = self.player.get_bus()
bus.add_signal_watch()
bus.enable_sync_message_emission()
bus.connect("message", self.on_message)
bus.connect("sync-message::element", self.on_sync_message)
def __init__(self, uri, process=None, hopsize=512, caps=None):
if uri.startswith('/'):
from urllib import quote
uri = 'file://' + quote(uri)
src = gst.element_factory_make('uridecodebin')
src.set_property('uri', uri)
src.connect('pad-added', self.source_pad_added_cb)
conv = gst.element_factory_make('audioconvert')
self.conv = conv
rsmpl = gst.element_factory_make('audioresample')
capsfilter = gst.element_factory_make('capsfilter')
if caps:
capsfilter.set_property('caps', gst.caps_from_string(caps))
sink = AubioSink("AubioSink", process=process)
sink.set_property('hopsize', hopsize) # * calcsize('f'))
self.pipeline = gst.Pipeline()
self.bus = self.pipeline.get_bus()
self.bus.add_signal_watch()
self.bus.connect('message', self.on_eos)
self.apad = conv.get_pad('sink')
self.pipeline.add(src, conv, rsmpl, capsfilter, sink)
gst.element_link_many(conv, rsmpl, capsfilter, sink)
self.mainloop = gobject.MainLoop()
self.pipeline.set_state(gst.STATE_PLAYING)
def __init__(self, array, samplerate):
self.appsrc = gst.element_factory_make("appsrc")
self.pos = 0
self.samplerate = samplerate
if array.ndim == 1:
array.resize((array.shape[0], 1))
self.length, self.channels = array.shape
self.array = array.astype("float32")
self.per_sample = gst.SECOND // samplerate
self.fac = self.channels * array.dtype.itemsize
#self.appsrc.set_property("size", (self.length * self.channels *
# array.dtype.itemsize))
self.appsrc.set_property("format", gst.FORMAT_TIME)
capstr = """audio/x-raw-float,
width=%d,
depth=%d,
rate=%d,
channels=%d,
endianness=(int)1234,
signed=true""" % (self.array.dtype.itemsize * 8,
self.array.dtype.itemsize * 8,
self.samplerate, self.channels)
self.appsrc.set_property("caps", gst.caps_from_string(capstr))
self.appsrc.set_property("stream-type", 0) # Seekable
self.appsrc.set_property('block', True)
self.appsrc.connect("need-data", self.need_data)
self.appsrc.connect("seek-data", self.seek_data)
self.appsrc.connect("enough-data", self.enough_data)
class LedVideoSink(gst.BaseSink):
__gsttemplates__ = (gst.PadTemplate(
"sink", gst.PAD_SINK, gst.PAD_ALWAYS,
gst.caps_from_string(
"video/x-raw-rgb,width=16,height=15,bpp=24,framerate=40/1")), )
sinkpad = property(lambda self: self.get_pad("sink"))
def __init__(self, matrix):
gst.BaseSink.__init__(self)
self.matrix = matrix
self.set_sync(True)
gst.info('setting chain/event functions')
# will break seeking
#self.sinkpad.set_event_function(self.eventfunc)
def do_render(self, buffer):
self.matrix.send_raw_image(buffer)
return gst.FLOW_OK
def eventfunc(self, pad, event):
self.info("%s event:%r" % (pad, event.type))
return True
def SetProperties(self):
"""
Sets basic Event properties like location, start, duration, etc.
"""
if self.file:
if self.single_decode_bin:
self.gnlsrc.remove(self.single_decode_bin)
self.single_decode_bin.set_state(gst.STATE_NULL)
Globals.debug("creating SingleDecodeBin")
caps = gst.caps_from_string("audio/x-raw-int;audio/x-raw-float")
f = PlatformUtils.pathname2url(self.GetAbsFile())
Globals.debug("file uri is:", f)
self.single_decode_bin = SingleDecodeBin(caps=caps, uri=f)
self.gnlsrc.add(self.single_decode_bin)
Globals.debug("setting event properties:")
propsDict = {
"caps": caps,
"start": long(self.start * gst.SECOND),
"duration": long(self.duration * gst.SECOND),
"media-start": long(self.offset * gst.SECOND),
"media-duration": long(self.duration * gst.SECOND),
"priority": 2
}
for prop, value in propsDict.iteritems():
self.gnlsrc.set_property(prop, value)
Globals.debug("\t", prop, "=", value)
def do_set_property(self, property, value):
if property.name == "audiorate":
caps = gst.caps_from_string("audio/x-raw-int, rate=%d" % (value))
self.capsfilter.set_property("caps", caps)
self.audiorate_property = value
else:
Log.warning("audioresample unknown property %s" % property.name)
def __init__(self):
pipe = gst.element_factory_make('pipeline', "vidpos2oggPipeline")
pos2text = gst.element_factory_make('somapos2text', "pos2text")
textFilt = gst.element_factory_make('capsfilter')
textFilt.set_property('caps', gst.caps_from_string("text/x-cmml, encoded=False"))
theora = gst.element_factory_make('theoraenc', "theora")
oggmux = gst.element_factory_make('oggmux', "oggmux")
pipe.add(pos2text)
pipe.add(textFilt)
pipe.add(theora)
pipe.add(oggmux)
gst.element_link_many(theora, oggmux)
gst.element_link_many(pos2text, textFilt, oggmux) #<----- WHY IS THIS LINK FAILING!
pos_sink = gst.GhostPad("pos_sink", pos2text.get_pad('sink'))
vid_sink = gst.GhostPad('video_sink', theora.get_pad("sink"))
ogg_src = gst.GhostPad("ogg_src", oggmux.get_pad('src'))
pipe.add_pad(pos_sink)
pipe.add_pad(vid_sink)
pipe.add_pad(ogg_src)
self.pipeline = pipe
def _gst_init(self):
# self._videosink will receive the buffers so we can upload them to GPU
if PY2:
self._videosink = gst.element_factory_make('appsink', 'videosink')
self._videosink.set_property('caps', gst.Caps(_VIDEO_CAPS))
else:
self._videosink = gst.ElementFactory.make('appsink', 'videosink')
self._videosink.set_property('caps',
gst.caps_from_string(_VIDEO_CAPS))
self._videosink.set_property('async', True)
self._videosink.set_property('drop', True)
self._videosink.set_property('qos', True)
self._videosink.set_property('emit-signals', True)
self._videosink.connect('new-' + BUF_SAMPLE, partial(
_gst_new_buffer, ref(self)))
# playbin, takes care of all, loading, playing, etc.
# XXX playbin2 have some issue when playing some video or streaming :/
#self._playbin = gst.element_factory_make('playbin2', 'playbin')
if PY2:
self._playbin = gst.element_factory_make('playbin', 'playbin')
else:
self._playbin = gst.ElementFactory.make('playbin', 'playbin')
self._playbin.set_property('video-sink', self._videosink)
# gstreamer bus, to attach and listen to gst messages
self._bus = self._playbin.get_bus()
self._bus.add_signal_watch()
self._bus.connect('message', _on_gst_message)
self._bus.connect('message::eos', partial(
_on_gst_eos, ref(self)))
def setupGst(self):
print "Setting up gstreamer pipeline"
self.gstWindowId = self.video_container.winId()
self.player = gst.Pipeline("player")
self.tee = gst.element_factory_make("tee")
sinkx = gst.element_factory_make("ximagesink", 'sinkx_overview')
fcs = gst.element_factory_make('ffmpegcolorspace')
caps = gst.caps_from_string('video/x-raw-yuv')
self.capture_enc = gst.element_factory_make("jpegenc")
self.capture_sink = gst.element_factory_make("capturesink")
self.capture_sink_queue = gst.element_factory_make("queue")
self.resizer = gst.element_factory_make("videoscale")
# Video render stream
self.player.add( self.source, self.tee)
gst.element_link_many(self.source, self.tee)
self.player.add(fcs, self.resizer, sinkx)
gst.element_link_many(self.tee, fcs, self.resizer, sinkx)
self.player.add( self.capture_sink_queue, self.capture_enc, self.capture_sink)
gst.element_link_many(self.tee, self.capture_sink_queue, self.capture_enc, self.capture_sink)
bus = self.player.get_bus()
bus.add_signal_watch()
bus.enable_sync_message_emission()
bus.connect("message", self.on_message)
bus.connect("sync-message::element", self.on_sync_message)
def getAudioCaps(self):
""" Returns the GstCaps corresponding to the audio settings """
astr = "rate=%d,channels=%d" % (self.audiorate, self.audiochannels)
astrcaps = gst.caps_from_string("audio/x-raw-int,%s;audio/x-raw-float,%s" % (astr, astr))
if self.aencoder:
return get_compatible_sink_caps(self.aencoder, astrcaps)
return astrcaps
def __init__(self, uri, process = None, hopsize = 512,
caps = None):
if uri.startswith('/'):
from urllib import quote
uri = 'file://'+quote(uri)
src = gst.element_factory_make('uridecodebin')
src.set_property('uri', uri)
src.connect('pad-added', self.source_pad_added_cb)
conv = gst.element_factory_make('audioconvert')
self.conv = conv
rsmpl = gst.element_factory_make('audioresample')
capsfilter = gst.element_factory_make('capsfilter')
if caps:
capsfilter.set_property('caps', gst.caps_from_string(caps))
sink = AubioSink("AubioSink", process = process)
sink.set_property('hopsize', hopsize) # * calcsize('f'))
self.pipeline = gst.Pipeline()
self.bus = self.pipeline.get_bus()
self.bus.add_signal_watch()
self.bus.connect('message', self.on_eos)
self.apad = conv.get_pad('sink')
self.pipeline.add(src, conv, rsmpl, capsfilter, sink)
gst.element_link_many(conv, rsmpl, capsfilter, sink)
self.mainloop = gobject.MainLoop()
self.pipeline.set_state(gst.STATE_PLAYING)
class KinectDepthSrc(gst.BaseSrc):
""" Depth """
#here we register our plugin details
__gstdetails__ = (
"Kinect depth source",
"kinectdepthsrc.py",
"Source element for Kinect depth",
"Oleksandr Lavrushchenko <*****@*****.**>")
_src_template = gst.PadTemplate ("src",
gst.PAD_SRC,
gst.PAD_ALWAYS,
gst.caps_from_string ("video/x-raw-gray,bpp=(int)16,depth=(int)16,width=[ 1, 2147483647 ],height=[ 1, 2147483647 ],framerate=[ 0/1, 2147483647/1 ]"))
__gsttemplates__ = (_src_template,)
def __init__ (self, *args, **kwargs):
gst.BaseSrc.__init__(self)
gst.info('creating srcpad')
self.src_pad = gst.Pad (self._src_template)
self.src_pad.use_fixed_caps()
def do_create(self, offset, length):
depth, timestamp = freenect.sync_get_depth()
databuf = numpy.getbuffer(depth)
self.buf = gst.Buffer(databuf)
self.buf.timestamp = 0
self.buf.duration = pow(2, 63) -1
return gst.FLOW_OK, self.buf
def do_set_property(self, property, value):
if property.name == "audiorate":
caps = gst.caps_from_string("audio/x-raw-int, rate=%d" % (value))
self.capsfilter.set_property("caps", caps)
self.audiorate_property = value
else:
Log.warning('audioresample unknown property %s' % property.name)
def __init__(self, array, samplerate):
self.appsrc = gst.element_factory_make("appsrc")
self.pos = 0
self.samplerate = samplerate
if array.ndim == 1:
array.resize((array.shape[0], 1))
self.length, self.channels = array.shape
self.array = array.astype("float32")
self.per_sample = gst.SECOND // samplerate
self.fac = self.channels * array.dtype.itemsize
#self.appsrc.set_property("size", (self.length * self.channels *
# array.dtype.itemsize))
self.appsrc.set_property("format", gst.FORMAT_TIME)
capstr = """audio/x-raw-float,
width=%d,
depth=%d,
rate=%d,
channels=%d,
endianness=(int)1234,
signed=true""" % (self.array.dtype.itemsize*8,
self.array.dtype.itemsize*8,
self.samplerate,
self.channels)
self.appsrc.set_property("caps", gst.caps_from_string(capstr))
self.appsrc.set_property("stream-type", 0) # Seekable
self.appsrc.set_property('block', True)
self.appsrc.connect("need-data", self.need_data)
self.appsrc.connect("seek-data", self.seek_data)
self.appsrc.connect("enough-data", self.enough_data)
def music_delivery(self, session, frames, frame_size, num_frames,
sample_type, sample_rate, channels):
"""Callback used by pyspotify"""
# pylint: disable = R0913
# Too many arguments (8/5)
assert sample_type == 0, 'Expects 16-bit signed integer samples'
capabilites = """
audio/x-raw-int,
endianness=(int)1234,
channels=(int)%(channels)d,
width=(int)16,
depth=(int)16,
signed=(boolean)true,
rate=(int)%(sample_rate)d
""" % {
'sample_rate': sample_rate,
'channels': channels,
}
buffer_ = gst.Buffer(bytes(frames))
buffer_.set_caps(gst.caps_from_string(capabilites))
if self.audio.emit_data(buffer_).get():
return num_frames
else:
return 0
def SetProperties(self):
"""
Sets basic Event properties like location, start, duration, etc.
"""
if self.file:
if self.single_decode_bin:
self.gnlsrc.remove(self.single_decode_bin)
self.single_decode_bin.set_state(gst.STATE_NULL)
Globals.debug("creating SingleDecodeBin")
caps = gst.caps_from_string("audio/x-raw-int;audio/x-raw-float")
f = PlatformUtils.pathname2url(self.GetAbsFile())
Globals.debug("file uri is:", f)
self.single_decode_bin = SingleDecodeBin(caps=caps, uri=f)
self.gnlsrc.add(self.single_decode_bin)
Globals.debug("setting event properties:")
propsDict = {
"caps": caps,
"start": long(self.start * gst.SECOND),
"duration": long(self.duration * gst.SECOND),
"media-start": long(self.offset * gst.SECOND),
"media-duration": long(self.duration * gst.SECOND),
"priority": 2,
}
for prop, value in propsDict.iteritems():
self.gnlsrc.set_property(prop, value)
Globals.debug("\t", prop, "=", value)
def _gst_init(self):
# self._videosink will receive the buffers so we can upload them to GPU
if PY2:
self._videosink = gst.element_factory_make('appsink', 'videosink')
self._videosink.set_property('caps', gst.Caps(_VIDEO_CAPS))
else:
self._videosink = gst.ElementFactory.make('appsink', 'videosink')
self._videosink.set_property('caps',
gst.caps_from_string(_VIDEO_CAPS))
self._videosink.set_property('async', True)
self._videosink.set_property('drop', True)
self._videosink.set_property('qos', True)
self._videosink.set_property('emit-signals', True)
self._videosink.connect('new-' + BUF_SAMPLE,
partial(_gst_new_buffer, ref(self)))
# playbin, takes care of all, loading, playing, etc.
# XXX playbin2 have some issue when playing some video or streaming :/
#self._playbin = gst.element_factory_make('playbin2', 'playbin')
if PY2:
self._playbin = gst.element_factory_make('playbin', 'playbin')
else:
self._playbin = gst.ElementFactory.make('playbin', 'playbin')
self._playbin.set_property('video-sink', self._videosink)
# gstreamer bus, to attach and listen to gst messages
self._bus = self._playbin.get_bus()
self._bus.add_signal_watch()
self._bus.connect('message', _on_gst_message)
self._bus.connect('message::eos', partial(_on_gst_eos, ref(self)))
def config(self, dict):
self.video_src.set_property("pattern", int(dict["pattern"]))
caps = gst.caps_from_string(
"video/x-raw-yuv, width=%d, height=%d;"
"video/x-raw-rgb, width=%d, height=%d"
% (int(dict["width"]), int(dict["height"]), int(dict["width"]), int(dict["height"]))
)
self.capsfilter.set_property("caps", caps)
def do_create(self, offset, length):
self.debug("Pushing buffer")
gstBuf = gst.Buffer(self.imgBuf)
padcaps = gst.caps_from_string(self.capsStr)
gstBuf.set_caps(padcaps)
gstBuf.timestamp = 0
gstBuf.duration = pow(2, 63) -1
return gst.FLOW_OK, gstBuf
def __init__(self, *args, **kwargs):
self.caps = gst.caps_from_string(
'audio/x-raw-int, rate=7600, endianness=1234, channels=1, width=16, depth=16, signed=true'
)
gst.BaseSrc.__init__(self)
gst.info("Creating Kaicong src pad")
self.src_pad = gst.Pad(self._src_template)
self.src_pad.use_fixed_caps()
class lal_fixodc(gst.BaseTransform):
__gstdetails__ = ("Fix ODC sample format", "Generic",
"Type-casts float to int", __author__)
__gproperties__ = {}
__gsttemplates__ = (
gst.PadTemplate(
"sink", gst.PAD_SINK, gst.PAD_ALWAYS,
gst.caps_from_string("audio/x-raw-float, " +
"rate = (int) [1, MAX], " +
"channels = (int) 1, " +
"endianness = (int) BYTE_ORDER, " +
"width = (int) 32")),
gst.PadTemplate(
"src", gst.PAD_SRC, gst.PAD_ALWAYS,
gst.caps_from_string("audio/x-raw-int, " +
"rate = (int) [1, MAX], " +
"channels = (int) 1, " +
"endianness = (int) BYTE_ORDER, " +
"width = (int) 32," + "depth = (int) 32," +
"signed = (bool) false")))
def __init__(self):
super(lal_fixodc, self).__init__()
self.set_gap_aware(True)
def do_transform_caps(self, direction, caps):
if direction == gst.PAD_SRC:
tmpltcaps = self.get_pad("sink").get_pad_template_caps()
elif direction == gst.PAD_SINK:
tmpltcaps = self.get_pad("src").get_pad_template_caps()
else:
raise AssertionError
rate, = [s["rate"] for s in caps]
result = gst.Caps()
for s in tmpltcaps:
s = s.copy()
s["rate"] = rate
result.append_structure(s)
return result
def do_transform(self, ibuf, obuf):
pipeio.array_from_audio_buffer(
obuf)[:] = pipeio.array_from_audio_buffer(ibuf)
return gst.FLOW_OK
def testCaps(self):
caps = gst.caps_from_string(
'video/x-raw-yuv,width=10,framerate=5.0;video/x-raw-rgb,'
'width=15,framerate=10.0')
self.assertEquals(
gstreamer.caps_repr(caps), 'video/x-raw-yuv, width=(int)10, '
'framerate=(double)5; video/x-raw-rgb, '
'width=(int)15, framerate=(double)10')
def deliver_data(self, caps_string, data):
"""Deliver audio data to be played"""
app_src = self.gst_pipeline.get_by_name('appsrc')
caps = gst.caps_from_string(caps_string)
buffer_ = gst.Buffer(buffer(data))
buffer_.set_caps(caps)
app_src.set_property('caps', caps)
app_src.emit('push-buffer', buffer_)
def config(self, dict):
self.video_src.set_property("device", dict["v4l2_device"])
caps = gst.caps_from_string(
"video/x-raw-yuv, pixel-aspect-ratio=1/1, width=%d, height=%d;"
"video/x-raw-rgb, pixel-aspect-ratio=1/1, width=%d, height=%d" %
(int(dict["width"]), int(dict["height"]), int(
dict["width"]), int(dict["height"])))
self.capsfilter.set_property("caps", caps)
def config(self, dict):
num, den = Fract.fromdecimal(dict["framerate"])
caps = gst.caps_from_string(
"video/x-raw-yuv, width=%d, height=%d, framerate=%d/%d" % (
int(dict["width"]), int(dict["height"]), num, den
)
)
self.capsfilter.set_property("caps", caps)
def testCaps(self):
caps = gst.caps_from_string(
'video/x-raw-yuv,width=10,framerate=5.0;video/x-raw-rgb,'
'width=15,framerate=10.0')
self.assertEquals(gstreamer.caps_repr(caps),
'video/x-raw-yuv, width=(int)10, '
'framerate=(double)5; video/x-raw-rgb, '
'width=(int)15, framerate=(double)10')
def do_create(self, offset, length):
self.debug("Pushing buffer")
gstBuf = gst.Buffer(self.imgBuf)
padcaps = gst.caps_from_string(self.capsStr)
gstBuf.set_caps(padcaps)
gstBuf.timestamp = 0
gstBuf.duration = self.duration * gst.SECOND
return gst.FLOW_OK, gstBuf
def __init__(self):
self.logger = logger
# initiate receive pipeline
self.bands = 80
#/home/papachappa/robot/back_sbc_tests/sipp_remote_library/scenario/scenario_SBC/Transcode/uac_init_invite_A-B/pcap/pcma
self.receive_pipe = gst.Pipeline("receive_pipe")
self.receive_bus = self.receive_pipe.get_bus()
self.receive_bus.set_flushing(True)
file_src = gst.element_factory_make("filesrc", "file_src")
file_src.set_property("location", RECEIVED_PCMA_FILE)
self.receive_pipe.add(file_src)
#sourcepad = gst_element_get_static_pad(source, "src")
#gst.Element.add_pad()
#gst_pad_set_caps (sourcepad, "audio/x-alaw", "rate", 8000, "channels"1)
#caps = gst.Caps("audio/x-alaw, rate=8000, channels=1")
#capsFilter = gst.element_factory_make("capsfilter")
#capsFilter.props.caps = caps
#self.receive_pipe.add(caps)
#self.sinkpadtemplate = gst.PadTemplate("sink", gst.PAD_SINK, gst.PAD_ALWAYS, gst.Caps("audio/x-alaw, rate=8000, channels=1"))
#self.sinkpad = gst.Pad(self.sinkpadtemplate, "sink")
#s = self.add_pad(self.sinkpad)
#gst.Element.add_pad(s)
receive_alaw = gst.element_factory_make("capsfilter", "receive_alaw")
receive_alaw.set_property("caps", gst.caps_from_string("audio/x-alaw, rate=8000, channels=1"))
self.receive_pipe.add(receive_alaw)
receive_dec = gst.element_factory_make("alawdec", "receive_dec")
self.receive_pipe.add(receive_dec)
receive_conv = gst.element_factory_make("audioconvert", "receive_conv")
self.receive_pipe.add(receive_conv)
receive_level = gst.element_factory_make("level", "receive_level")
self.receive_pipe.add(receive_level)
receive_spectrum = gst.element_factory_make("spectrum", "receive_spectrum")
receive_spectrum.set_property("bands", self.bands)
receive_spectrum.set_property("message-phase", True)
self.receive_pipe.add(receive_spectrum)
receive_sink = gst.element_factory_make("fakesink", "receive_sink")
self.receive_pipe.add(receive_sink)
gst.element_link_many(file_src, receive_alaw,
receive_dec, receive_conv, receive_level,
receive_spectrum, receive_sink)
def __init__(self, sessionid, audio_format, bitrate):
gst.Bin.__init__(self)
# self.taginjector = gst.element_factory_make("taginject")
# self.taginjector.set_property("tags","title=\"asset_id=123\"")
capsfilter = gst.element_factory_make("capsfilter")
volume = gst.element_factory_make("volume")
volume.set_property("volume", settings.MASTER_VOLUME)
shout2send = gst.element_factory_make("shout2send")
shout2send.set_property("username", settings.ICECAST_SOURCE_USERNAME)
shout2send.set_property("password", settings.ICECAST_SOURCE_PASSWORD)
shout2send.set_property("mount",
icecast2.mount_point(sessionid, audio_format))
# shout2send.set_property("streamname","initial name")
# self.add(capsfilter, volume, self.taginjector, shout2send)
self.add(capsfilter, volume, shout2send)
capsfilter.link(volume)
if audio_format.upper() == "MP3":
capsfilter.set_property(
"caps",
gst.caps_from_string(
"audio/x-raw-int,rate=44100,channels=2,width=16,depth=16,signed=(boolean)true"))
lame = gst.element_factory_make("lame")
lame.set_property("bitrate", int(bitrate))
logger.debug("roundstreamsink: bitrate: " + str(int(bitrate)))
self.add(lame)
#gst.element_link_many(volume, lame, self.taginjector, shout2send)
gst.element_link_many(volume, lame, shout2send)
elif audio_format.upper() == "OGG":
capsfilter.set_property(
"caps",
gst.caps_from_string(
"audio/x-raw-float,rate=44100,channels=2,width=32"))
vorbisenc = gst.element_factory_make("vorbisenc")
oggmux = gst.element_factory_make("oggmux")
self.add(vorbisenc, oggmux)
#gst.element_link_many(volume, vorbisenc, oggmux, self.taginjector, shout2send)
gst.element_link_many(volume, vorbisenc, oggmux, shout2send)
else:
raise "Invalid format"
pad = capsfilter.get_pad("sink")
ghostpad = gst.GhostPad("sink", pad)
self.add_pad(ghostpad)
def set_sampling_rate(self, sr):
"""Sets the sampling rate of the capture device
Sampling rate must be given as an integer for example 16000 for
setting 16Khz sampling rate
The sampling rate would be set in the device to the nearest available"""
self.pause_grabbing()
caps_str = "audio/x-raw-int,rate=%d,channels=1,depth=16" % (sr, )
self.caps1.set_property("caps", gst.caps_from_string(caps_str))
self.resume_grabbing()
def getAudioCaps(self):
""" Returns the GstCaps corresponding to the audio settings """
# TODO: Figure out why including 'depth' causes pipeline failures:
astr = "rate=%d,channels=%d" % (self.audiorate, self.audiochannels)
caps_str = "audio/x-raw-int,%s;audio/x-raw-float,%s" % (astr, astr)
audio_caps = gst.caps_from_string(caps_str)
if self.aencoder:
return get_compatible_sink_caps(self.aencoder, audio_caps)
return audio_caps
def getAudioCaps(self):
""" Returns the GstCaps corresponding to the audio settings """
# TODO: Figure out why including 'depth' causes pipeline failures:
astr = "rate=%d,channels=%d" % (self.audiorate, self.audiochannels)
caps_str = "audio/x-raw-int,%s;audio/x-raw-float,%s" % (astr, astr)
audio_caps = gst.caps_from_string(caps_str)
if self.aencoder:
return get_compatible_sink_caps(self.aencoder, audio_caps)
return audio_caps
def do_get_caps(self):
print "Get caps"
if not self.caps:
if self.of:
caps_str = self.of.readline()
self.caps = gst.caps_from_string(caps_str.rstrip('\n'))
else:
return None
return self.caps
def source_setup(pipeline, source, data):
print ("Source has been created. Configuring")
data.app_source = source
#Configure appsrc
audio_caps_text = AUDIO_CAPS.format(SAMPLE_RATE)
audio_caps = gst.caps_from_string(audio_caps_text)
source.set_property("caps", audio_caps)
source.connect("need-data", start_feed, data)
source.connect("enough-data", stop_feed, data)
def do_get_caps(self):
print "Get caps"
if not self.caps:
if self.of:
caps_str = self.of.readline()
self.caps = gst.caps_from_string(caps_str.rstrip("\n"))
else:
return None
return self.caps
def set_sampling_rate(self, sr):
''' Sets the sampling rate of the logging device. Sampling
rate must be given as an integer for example 16000 for setting
16Khz sampling rate The sampling rate would be set in the
device to the nearest available. '''
self.pause_grabbing()
caps_str = 'audio/x-raw-int,rate=%d,channels=%d,depth=16' % (
sr, self.channels)
self.caps1.set_property('caps', gst.caps_from_string(caps_str))
self.resume_grabbing()
