if __name__ == '__main__':
import logging, sys
logging.basicConfig(
level=getattr(logging, "DEBUG"),
format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s',
stream=sys.stderr
)
def parse_argv(args):
cmd = ""
for n in range(1, len(args)):
cmd+="%s " %args[n]
logger.info("gst-launch pipeline is: %s" %cmd)
return cmd
from sys import argv
if len(argv) <= 1:
logger.info("No gst-launch syntax detected, using config file")
import gstgengui.config
string = gstgengui.config.pipeline_desc
else:
string = parse_argv (argv)
pipeline_launcher = PipelineManager(string)
from gtk_controller import GtkGstController
controller = GtkGstController(pipeline_launcher)
controller.main()
def play(self):
self.emit("preplay")
self.player = gst.Pipeline("player")
self.queue_video = gst.element_factory_make("queue", "queue_video")
self.player.add(self.queue_video)
self.input_type = 0
# Source selection
self.source_pads = {}
self.audio_pads = {}
self.pip_pads = {}
self.output_bins = {}
type = 0
source_number = 0
pip_number = 0
self.pip = PictureInPicture()
self.player.add(self.pip)
for row in self.sources.get_store():
(name, source) = row
element = source.create()
self.player.add(element)
if element.does_audio():
if not self.input_type & MEDIA_AUDIO:
# The pipeline has audio sources, and this is the first
# audio source we add
if self.audio_source is None:
self.emit("error", "You need to select an audio source")
self.emit("stopped")
return
self.input_type |= MEDIA_AUDIO
self.input_selector = gst.element_factory_make(
"input-selector", "audio-selector"
)
self.player.add(self.input_selector)
audiobin = audioinputbin.AudioInputBin(source)
self.player.add(audiobin)
element.audio_pad.link(audiobin.get_static_pad("sink"))
self.audio_pads[name] = \
self.input_selector.get_request_pad("sink%d")
audiobin.src_pad.link(self.audio_pads[name])
if element.does_video():
self.input_type |= MEDIA_VIDEO
self.source_pads[name] = source_number
source_number = source_number + 1
# Thumbnail preview
tee = gst.element_factory_make("tee", None)
self.player.add(tee)
element.video_pad.link(tee.sink_pads().next())
thumbnail_queue = gst.element_factory_make("queue", None)
self.player.add(thumbnail_queue)
self.thumbnails[name] = Preview(self)
self.player.add(self.thumbnails[name])
thumbnail_err = gst.element_link_many(
tee, thumbnail_queue, self.thumbnails[name]
)
if thumbnail_err == False:
self.emit("error", "Error conecting thumbnail preview.")
# Picture in Picture
self.pip_pads[name] = pip_number
pip_number = pip_number + 1
main_queue = gst.element_factory_make("queue", None)
self.player.add(main_queue)
pip_queue = gst.element_factory_make("queue", None)
self.player.add(pip_queue)
tee.link(main_queue)
tee.link(pip_queue)
main_queue.src_pads().next().link(self.pip.get_request_pad_A())
pip_queue.src_pads().next().link(self.pip.get_request_pad_B())
if name == self.video_source:
type |= element.get_type()
if name == self.audio_source:
type |= element.get_type()
self.watermark = gst.element_factory_make(
"cairoimageoverlay", "cairoimageoverlay"
)
self.player.add(self.watermark)
self.colorspace = gst.element_factory_make(
"ffmpegcolorspace", "colorspace-imageoverlay-videobalance"
)
self.player.add(self.colorspace)
self.videobalance = gst.element_factory_make(
"videobalance", "videobalance"
)
self.player.add(self.videobalance)
if self.videobalance_contrast:
self.videobalance.set_property(
"contrast", self.videobalance_contrast
)
if self.videobalance_brightness:
self.videobalance.set_property(
"brightness", self.videobalance_brightness
)
if self.videobalance_hue:
self.videobalance.set_property(
"hue", self.videobalance_hue
)
if self.videobalance_saturation:
self.videobalance.set_property(
"saturation", self.videobalance_saturation
)
gst.element_link_many(
self.pip, self.watermark, self.colorspace, self.videobalance,
self.queue_video
)
self._switch_source()
self._switch_pip()
if self.pip_position:
self.pip.set_property("position", self.pip_position)
self.effect[MEDIA_VIDEO] = effect.video_effect.VideoEffect(
self.effect_name[MEDIA_VIDEO]
)
self.player.add(self.effect[MEDIA_VIDEO])
self.overlay = gst.element_factory_make("textoverlay", "overlay")
self.overlay.set_property("font-desc", self.overlay_font)
self.overlay.set_property("halign", self.halign)
self.overlay.set_property("valign", self.valign)
self.player.add(self.overlay)
gst.element_link_many(
self.queue_video, self.effect[MEDIA_VIDEO], self.overlay
)
self.preview_tee = multeequeue.MulTeeQueue()
self.player.add(self.preview_tee)
self.overlay.link(self.preview_tee)
if self.input_type & MEDIA_AUDIO:
self.convert = gst.element_factory_make("audioconvert", "convert")
self.player.add(self.convert)
self.effect[MEDIA_AUDIO] = effect.audio_effect.AudioEffect(
self.effect_name[MEDIA_AUDIO]
)
self.player.add(self.effect[MEDIA_AUDIO])
self.audio_tee = gst.element_factory_make("tee", "audio_tee")
self.player.add(self.audio_tee)
self.volume = volume.Volume()
self.player.add(self.volume)
gst.element_link_many(
self.input_selector, self.volume,
self.effect[MEDIA_AUDIO], self.convert, self.audio_tee
)
self.input_selector.set_property(
"active-pad", self.audio_pads[self.audio_source]
)
added_encoders = {}
pip_width = 0
pip_height = 0
for row in self.outputs.get_store():
(name, output) = row
output_bin = outputbin.OutputBin(output)
self.output_bins[name] = output_bin
self.player.add(output_bin)
encoder_name = output.get_config()["parent"]
encoder_item = self.encoders.get_item(encoder_name)
if encoder_item is None:
self.emit("error", "Please, add an encoder.")
break
if added_encoders.has_key(encoder_name):
tee = added_encoders[encoder_name]
tee.link(output_bin)
else:
tee = gst.element_factory_make("tee", None)
self.player.add(tee)
converter_item = encoder_item.parent
converter = converter_item.create()
if converter_item.config["width"] > pip_width:
pip_width = converter_item.config["width"]
if converter_item.config["height"] > pip_height:
pip_height = converter_item.config["height"]
self.player.add(converter)
encoder = encoder_item.factory.create(type)
if encoder.vorbisenc:
self.metadata = metadata.Metadata(encoder.vorbisenc)
self.metadata.set_tags(self.taglist)
encoder.config(encoder_item.config)
self.player.add(encoder)
added_encoders[encoder_name] = tee
self.preview_tee.get_src_pad().link(
converter.sink_pads().next()
)
gst.element_link_many(
converter, encoder, tee, output_bin
)
if self.input_type & MEDIA_AUDIO:
audio_queue = gst.element_factory_make("queue", None)
self.player.add(audio_queue)
gst.element_link_many(self.audio_tee, audio_queue, encoder)
if self.preview_enabled:
self.preview = Preview(self)
self.player.add(self.preview)
self.preview_tee.get_src_pad().link(self.preview.sink_pads().next())
if pip_width == 0:
pip_width = 320
pip_height = 240
self.pip.set_property("width", int(pip_width))
self.pip.set_property("height", int(pip_height))
self.video_width = int(pip_width)
self.video_height = int(pip_height)
self._set_watermark(self.video_width, self.video_height)
self.overlay.set_property("text", self.overlay_text)
if self.volume_value is not None:
self.volume.set_property("volume", self.volume_value)
self.emit("pipeline-ready")
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)
from gstmanager.gstmanager import PipelineManager
from gtk_controller import GtkGstController
pipeline_launcher = PipelineManager(self.player)
controller = GtkGstController(pipeline_launcher)
controller.scan_pipeline()
cr = self.player.set_state(gst.STATE_PLAYING)
if cr == gst.STATE_CHANGE_SUCCESS:
self.emit("playing")
elif cr == gst.STATE_CHANGE_ASYNC:
self.pending_state = gst.STATE_PLAYING
introspector = None
introspector = PipelineIntrospector(pipeline)
# Build widgets for currently supported elements
for element in introspector.elements:
controller.add_element_widget(element)
if __name__ == '__main__':
def parse_argv(args):
cmd = ""
for n in range(1, len(args)):
cmd+="%s " %args[n]
print "gst-launch pipeline is: %s" %cmd
return cmd
from sys import argv
if len(argv) <= 1:
print "No gst-launch syntax detected, using config file"
pipeline_launcher = PipelineManager()
else:
gst_string = parse_argv (argv)
pipeline_launcher = PipelineManager(gst_string)
pipeline = pipeline_launcher.pipeline
controller = GtkGstController(pipeline_launcher)
build_gui(pipeline, controller)
controller.rebuild_callback = build_gui
controller.main()
