morphbr@471: import os
morphbr@471: import sys
morphbr@471: import lib
morphbr@471: import time
morphbr@471: import socket
morphbr@471: import ConfigParser
morphbr@471: 
morphbr@471: class Media:
morphbr@471: 
morphbr@471:     def __init__(self, config):
morphbr@471: 
morphbr@471:         self.config = config
morphbr@471:         self.socket = None
morphbr@471:         self.child_pid = None
morphbr@471: 
morphbr@471:     def setup(self, filename, mux, vcodec, vbitrate,\
morphbr@471:               fps, acodec, abitrate, width, height, port):
morphbr@471: 
morphbr@471:         self.filename = filename
morphbr@471:         self.mux = mux
morphbr@471:         self.vcodec = vcodec
morphbr@471:         self.vbitrate = int(vbitrate)
morphbr@471:         self.fps = int(fps)
morphbr@471:         self.acodec = acodec
morphbr@471:         self.abitrate = int(abitrate)
morphbr@471:         self.width = int(width)
morphbr@471:         self.height = int(height)
morphbr@471: 
morphbr@471:         self.port = int(port)
morphbr@471:         self.fifo = self.config.get("Mencoder", "fifo_path")
morphbr@471: 
morphbr@471:         try:
morphbr@471:             os.mkfifo(self.fifo)
morphbr@471:         except:
morphbr@471:             lib.log("Fifo already exists")
morphbr@471: 
morphbr@471:         # good one: /tmp/dvb.mpg avi mpeg4 400 25 mp3lame 192 320 240 5000
morphbr@471:         self.path = self.config.get("Mencoder", "path")
morphbr@471:         self.path += " %s -mf fps=%d -of %s -oac %s -lameopts cbr:br=%d -ovc lavc"\
morphbr@471:                      " -lavcopts vcodec=%s:vbitrate=%d -vf scale=%d:%d"\
morphbr@471:                      " -o %s 1> /dev/null 2> /dev/null" % (
morphbr@471:             self.filename, self.fps, self.mux, self.acodec, self.abitrate,
morphbr@471:             self.vcodec, self.vbitrate, self.width, self.height, self.fifo)
morphbr@471: 
morphbr@471: 
morphbr@471:         if (self.socket != None):
morphbr@471:             del(self.socket)
morphbr@471: 
morphbr@471:         self.socket = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
morphbr@471:         self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
morphbr@471:         self.socket.bind( ('', self.port) )
morphbr@471:         self.socket.settimeout(10)
morphbr@471:         self.socket.listen(1)
morphbr@471: 
morphbr@471:     def play(self):
morphbr@471: 
morphbr@471:         lib.log("Starting Mencoder: %s" % self.path )
morphbr@471:         # exec Mencoder
morphbr@471:         pin, pout = os.popen2(self.path)
morphbr@471:         pin.close()
morphbr@471: 
morphbr@471:         fifo = open(self.fifo)
morphbr@471: 
morphbr@471:         self.child_pid = os.fork()
morphbr@471:         if (self.child_pid == 0):
morphbr@471:             conn,addr= self.socket.accept()
morphbr@471:             lib.log("Sending Data to client: %s" % addr[0])
morphbr@471: 
morphbr@471:             data = fifo.read(4096)
morphbr@471:             conn.settimeout(5)
morphbr@471:             retry = 0
morphbr@471: 
morphbr@471:             while( data != "" and retry < 5):
morphbr@471:                 try:
morphbr@471:                     conn.send(data)
morphbr@471:                 except socket.error:
morphbr@471:                     lib.log("Socket error (maybe timeout ?)")
morphbr@471:                     retry += 1
morphbr@471: 
morphbr@471:                 data = fifo.read(4096)
morphbr@471: 
morphbr@471:             if (retry < 5):
morphbr@471:                 lib.log("Finished sending Data to client: %s" % addr[0])
morphbr@471:             else:
morphbr@471:                 lib.log("Client timed out")
morphbr@471: 
morphbr@471:         pout.close()
morphbr@471: 
morphbr@471:     def stop(self):
morphbr@471: 
morphbr@471:         if (self.socket != None):
morphbr@471:             lib.log("Closing socket")
morphbr@471:             self.socket.close()
morphbr@471: 
morphbr@471:             lib.log("Trying to stop Mencoder process")
morphbr@471:             if (self.child_pid != None):
morphbr@471:                 os.kill(self.child_pid, 9)