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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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242 lines
7.5 KiB
Python
Executable file
242 lines
7.5 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# gst-python
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# Copyright (C) 2002 David I. Lehn
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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# Author: David I. Lehn <dlehn@vt.edu>
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#
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import sys
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#from gnome import *
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from gstreamer import *
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from gobject import GObject
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import gtk
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gtk.threads_init()
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class DVDPlayer(object):
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def __init__(self):
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pass
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def idle(self, pipeline):
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#gtk.threads_enter()
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pipeline.iterate()
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#gtk.threads_leave()
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return 1
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def eof(self, sender):
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print 'EOS, quiting'
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sys.exit(0)
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def mpegparse_newpad(self, parser, pad, pipeline):
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#gtk.threads_enter()
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print '***** a new pad %s was created' % pad.get_name()
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if pad.get_name()[:6] == 'video_':
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pad.connect(self.v_queue.get_pad('sink'))
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self.pipeline.set_state(STATE_PAUSED)
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self.pipeline.add(self.v_thread)
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#self.v_thread.set_state(STATE_PLAYING)
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self.pipeline.set_state(STATE_PLAYING)
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elif pad.get_name() == 'private_stream_1.0':
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pad.connect(self.a_queue.get_pad('sink'))
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self.pipeline.set_state(STATE_PAUSED)
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self.pipeline.add(self.a_thread)
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#self.a_thread.set_state(STATE_PLAYING);
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self.pipeline.set_state(STATE_PLAYING)
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else:
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print 'unknown pad: %s' % pad.get_name()
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#gtk.threads_leave()
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def mpegparse_have_size(self, videosink, width, height):
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gtk.threads_enter()
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self.gtk_socket.set_usize(width,height)
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self.appwindow.show_all()
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gtk.threads_leave()
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def main(self):
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if len(sys.argv) < 5:
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print 'usage: %s dvdlocation title chapter angle' % sys.argv[0]
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return -1
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self.location = sys.argv[1]
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self.title = int(sys.argv[2])
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self.chapter = int(sys.argv[3])
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self.angle = int(sys.argv[4])
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#gst_init(&argc,&argv);
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#gnome_init('MPEG2 Video player','0.0.1',argc,argv);
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ret = self.build()
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if ret:
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return ret
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return self.run()
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def run(self):
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print 'setting to PLAYING state'
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gtk.threads_enter()
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self.pipeline.set_state(STATE_PLAYING)
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gtk.idle_add(self.idle,self.pipeline)
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gtk.main()
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self.pipeline.set_state(STATE_NULL)
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gtk.threads_leave()
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return 0
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def build_video_thread(self):
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# ***** pre-construct the video thread *****
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self.v_thread = Thread('v_thread')
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assert self.v_thread
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self.v_queue = gst_element_factory_make('queue','v_queue')
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assert self.v_queue
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self.v_decode = gst_element_factory_make('mpeg2dec','decode_video')
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assert self.v_decode
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self.color = gst_element_factory_make('colorspace','color')
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assert self.color
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self.efx = gst_element_factory_make('identity','identity')
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#self.efx = gst_element_factory_make('edgeTV','EdgeTV')
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#self.efx = gst_element_factory_make('agingTV','AgingTV')
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#effectv: diceTV: DiceTV
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#effectv: warpTV: WarpTV
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#effectv: shagadelicTV: ShagadelicTV
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#effectv: vertigoTV: VertigoTV
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#self.efx = gst_element_factory_make('revTV','RevTV')
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#self.efx = gst_element_factory_make('quarkTV','QuarkTV')
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assert self.efx
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self.color2 = gst_element_factory_make('colorspace','color2')
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assert self.color2
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self.show = gst_element_factory_make('xvideosink','show')
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#self.show = gst_element_factory_make('sdlvideosink','show')
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#self.show = gst_element_factory_make('fakesink','fakesinkv')
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assert self.show
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#self.show.set_property('silent', 0)
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#self.show.set_property('sync', 1)
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#self.deinterlace = gst_element_factory_make('deinterlace','deinterlace')
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self.deinterlace = gst_element_factory_make('identity','deinterlace')
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assert self.deinterlace
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last = None
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for e in (self.v_queue, self.v_decode, self.color, self.efx, self.color2, self.deinterlace, self.show):
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self.v_thread.add(e)
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if last:
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last.connect(e)
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last = e
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#self.v_queue.connect(self.v_decode)
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#self.v_decode.connect(self.color)
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#self.color.connect(self.efx)
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#self.efx.connect(self.color2)
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#self.color2.connect(self.show)
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def build_audio_thread(self):
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# ***** pre-construct the audio thread *****
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self.a_thread = Thread('a_thread')
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assert self.a_thread
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self.a_queue = gst_element_factory_make('queue','a_queue')
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assert self.a_queue
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self.a_decode = gst_element_factory_make('a52dec','decode_audio')
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assert self.a_decode
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self.osssink = gst_element_factory_make('osssink','osssink')
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#self.osssink = gst_element_factory_make('fakesink','fakesinka')
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assert self.osssink
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#self.osssink.set_property('silent', 0)
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#self.osssink.set_property('sync', 0)
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for e in (self.a_queue, self.a_decode, self.osssink):
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self.a_thread.add(e)
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self.a_queue.connect(self.a_decode)
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self.a_decode.connect(self.osssink)
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def build(self):
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# ***** construct the main pipeline *****
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self.pipeline = Pipeline('pipeline')
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assert self.pipeline
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self.src = gst_element_factory_make('dvdreadsrc','src');
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assert self.src
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GObject.connect(self.src,'deep_notify',self.dnprint)
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self.src.set_property('location', self.location)
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self.src.set_property('title', self.title)
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self.src.set_property('chapter', self.chapter)
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self.src.set_property('angle', self.angle)
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self.parse = gst_element_factory_make('mpegdemux','parse')
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assert self.parse
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self.parse.set_property('sync', 0)
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self.pipeline.add(self.src)
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self.pipeline.add(self.parse)
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self.src.connect(self.parse)
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# pre-construct the audio/video threads
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self.build_video_thread()
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self.build_audio_thread()
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# ***** construct the GUI *****
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#self.appwindow = gnome_app_new('DVD Player','DVD Player')
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#self.gtk_socket = gtk_socket_new ()
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#gtk_socket.show()
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#gnome_app_set_contents(GNOME_APP(appwindow),
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#GTK_WIDGET(gtk_socket));
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#gtk_widget_realize (gtk_socket);
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#gtk_socket_steal (GTK_SOCKET (gtk_socket),
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#gst_util_get_int_arg (GTK_OBJECT(show), 'xid'));
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GObject.connect(self.parse,'new_pad',self.mpegparse_newpad, self.pipeline)
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GObject.connect(self.src,'eos',self.eof)
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#GObject.connect(show,'have_size',self.mpegparse_have_size, self.pipeline)
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#GObject.connect(self.pipeline,'error',self.pipeline_error)
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#GObject.connect(self.pipeline,'deep_notify',self.dnprint)
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return 0
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def pipeline_error(self, sender, obj, error):
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print "(%s) ERROR: %s: %s" % (self, obj.name(), error)
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def dnprint(self, sender, obj, param):
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str = obj.get_property(param.name)
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print '%s: %s = %s' % (sender.get_name(), param.name, str)
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if __name__ == '__main__':
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#gst_debug_set_categories(0xFFFFFFFFL)
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#gst_info_set_categories(0xFFFFFFFFL)
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player = DVDPlayer()
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ret = player.main()
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sys.exit(ret)
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