'''
 # GMyth-Stream
 #
 # @file main.py
 #
 # @brief <p> Plugin for GMyth-Stream
 #
 # Copyright (C) 2007 INdT - Instituto Nokia de Tecnologia.
 # @author Artur Duque de Souza <artur.souza@indt.org.br>
 #
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU Lesser General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # 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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
 '''

import pygst
pygst.require("0.10")
import gst
import gobject

class Media:

    def __init__(self, config):

        # set gstreamer basic options
        self.config = config
        self.pipe = ""

    def setup(self, filename, codec, bitrate, width, height, port):

        self.filename = filename
        self.codec = codec
        self.bitrate = int(bitrate)
        self.width = int(width)
        self.height = int(height)
        self.port = int(port)

        ## Pipelines

        #queue ! videoscale ! video/x-raw-yuv,width=240,height=144\
        #! videorate ! ffenc_h263p bitrate=256000 me-method=2 \
        #! rtph263ppay ! udpsink  host=224.0.0.1 port=5000


        #audio/x-raw-int ! queue ! audioconvert ! faac ! rtpmp4gpay\
        #!  udpsink name=upd_audio host=224.0.0.1 port=5002

        self.pipe = "filesrc location=%s ! decodebin name=d ! queue ! videoscale !"\
                    "video/x-raw-yuv,width=(int)%d,height=(int)%d ! ffenc_h263p bitrate=%d"\
                    " me-method=2 ! rtph263ppay ! udpsink host=224.0.0.1 port=%d d. ! "\
                    "queue  ! audioconvert ! faac ! rtpmp4gpay ! udpsink name=udp_audio "\
                    "host=224.0.0.1 port=%d" % (self.filename, self.width, self.height,\
                                                self.bitrate, self.port, self.port+2)

        #self.pipe = "filesrc location=/tmp/mpg/cpm.mpg ! decodebin ! ffmpegcolorspace ! ximagesink"

        self.pipeline = gst.parse_launch(self.pipe)


    def play(self):

        print "Trying to play pipeline: %s" % self.pipe
        try:
            if (self.pipeline):
                self.pipeline.set_state(gst.STATE_PLAYING)
        except gobject.GError, e:
            print "Error: " + str(e)


    def stop(self):

        print "Trying to stop pipeline: %s" % self.pipe
        try:
            if (self.pipeline):
                self.pipeline.set_state(gst.STATE_NULL)
        except gobject.GError, e:
            print "Error: " + str(e)