gmyth-stream/plugins/media/gstreamer.py
author renatofilho
Tue Mar 27 21:43:05 2007 +0100 (2007-03-27)
branchtrunk
changeset 465 997f281ba596
child 466 a7aba7d166fb
permissions -rw-r--r--
[svn r470] bug fix
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 '''
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 # GMyth-Stream
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 #
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 # @file main.py
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 #
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 # @brief <p> Plugin for GMyth-Stream
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 #
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 # Copyright (C) 2007 INdT - Instituto Nokia de Tecnologia.
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 # @author Artur Duque de Souza <artur.souza@indt.org.br>
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 #
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 #
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 # This program is free software; you can redistribute it and/or modify
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 # it under the terms of the GNU Lesser General Public License as published by
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 # the Free Software Foundation; either version 2 of the License, or
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 # (at your option) any later version.
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 #
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 # This program 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
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 # GNU General Public License for more details.
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 #
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 # You should have received a copy of the GNU Lesser General Public License
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 # along with this program; if not, write to the Free Software
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 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 #
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 '''
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import pygst
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pygst.require("0.10")
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import gst
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import gobject
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class Media:
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    def __init__(self, config):
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        # set gstreamer basic options
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        self.config = config
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        self.pipe = ""
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    def setup(self, filename, codec, bitrate, width, height, port):
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        self.filename = filename
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        self.codec = codec
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        self.bitrate = int(bitrate)
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        self.width = int(width)
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        self.height = int(height)
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        self.port = int(port)
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        ## Pipelines
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        #queue ! videoscale ! video/x-raw-yuv,width=240,height=144\
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        #! videorate ! ffenc_h263p bitrate=256000 me-method=2 \
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        #! rtph263ppay ! udpsink  host=224.0.0.1 port=5000
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        #audio/x-raw-int ! queue ! audioconvert ! faac ! rtpmp4gpay\
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        #!  udpsink name=upd_audio host=224.0.0.1 port=5002
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        self.pipe = "filesrc location=%s ! decodebin name=d ! queue ! videoscale !"\
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                    "video/x-raw-yuv,width=(int)%d,height=(int)%d ! ffenc_h263p bitrate=%d"\
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                    " me-method=2 ! rtph263ppay ! udpsink host=224.0.0.1 port=%d d. ! "\
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                    "queue  ! audioconvert ! faac ! rtpmp4gpay ! udpsink name=udp_audio "\
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                    "host=224.0.0.1 port=%d" % (self.filename, self.width, self.height,\
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                                                self.bitrate, self.port, self.port+2)
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        #self.pipe = "filesrc location=/tmp/mpg/cpm.mpg ! decodebin ! ffmpegcolorspace ! ximagesink"
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        self.pipeline = gst.parse_launch(self.pipe)
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    def play(self):
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        print "Trying to play pipeline: %s" % self.pipe
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        try:
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            if (self.pipeline):
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                self.pipeline.set_state(gst.STATE_PLAYING)
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        except gobject.GError, e:
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            print "Error: " + str(e)
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    def stop(self):
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        print "Trying to stop pipeline: %s" % self.pipe
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        try:
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            if (self.pipeline):
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                self.pipeline.set_state(gst.STATE_NULL)
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        except gobject.GError, e:
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            print "Error: " + str(e)
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