gmyth-stream/server/0.2/plugins/transcoders/mencoder.py
branchtrunk
changeset 627 73df1c7e30ec
parent 595 5c5cff842d57
child 628 c6af9d7a88b5
     1.1 --- a/gmyth-stream/server/0.2/plugins/transcoders/mencoder.py	Wed Apr 25 15:53:19 2007 +0100
     1.2 +++ b/gmyth-stream/server/0.2/plugins/transcoders/mencoder.py	Thu May 03 16:07:54 2007 +0100
     1.3 @@ -18,6 +18,7 @@
     1.4      priority = -1
     1.5      args = {}
     1.6      proc = None
     1.7 +    gmyth = None
     1.8  
     1.9      # only works with avi container
    1.10      status = 0
    1.11 @@ -38,7 +39,7 @@
    1.12              self.args["sendback"] = False
    1.13  
    1.14          # input_opt
    1.15 -        uri = params_first("uri", "file://-").split("://")
    1.16 +        uri = params_first("uri", "file:-").split(":", 1)
    1.17          self.args["type"]     = uri[0]
    1.18          self.args["input"]    = uri[1]
    1.19  
    1.20 @@ -109,6 +110,7 @@
    1.21              self._arg_append(args, "-subfps %s" % self.args["fps"])
    1.22  
    1.23          self._arg_append(args, "-idx")
    1.24 +        self._arg_append(args, "-cache 500")
    1.25          self._arg_append(args, self._setup_audio())
    1.26          self._arg_append(args, self._setup_video())
    1.27  
    1.28 @@ -125,6 +127,8 @@
    1.29              if not os.path.exists(self.args["input"]):
    1.30                  raise IOError,\
    1.31                        "File requested does not exist: %s." % self.args["input"]
    1.32 +            else:
    1.33 +                self.args["input"] = "file://%s" % self.args["input"]
    1.34  
    1.35          elif _type == "dvd":
    1.36              self.args["input"] = "dvd://".join(self.args["input"])
    1.37 @@ -134,6 +138,7 @@
    1.38              # gmyth-cat -h 192.168.1.124 -p 6543 -f file.nuv
    1.39              # myth://IP:PORT:type:file
    1.40              self.args["gmyth-cat"] = self.args["input"].split(":")
    1.41 +            self.args["input"] = "-"
    1.42      # _setup_filename()
    1.43  
    1.44  
    1.45 @@ -175,10 +180,7 @@
    1.46          # Configuring pipes
    1.47          stdr, stdw = os.pipe()
    1.48  
    1.49 -        try:
    1.50 -            self.proc = subprocess.Popen(self.mencoder_opts, stdin=stdr, close_fds=True)
    1.51 -        except Exception, e:
    1.52 -            self.log.error("Error executing mencoder: %s" % e)
    1.53 +        if not self._run_mencoder(input=stdr):
    1.54              return False
    1.55  
    1.56          stdout = self._check_opened_file(stdw, _stdin)
    1.57 @@ -215,14 +217,9 @@
    1.58      # _start_outfile()
    1.59  
    1.60      def _start(self, outfd):
    1.61 -        try:
    1.62 -            self.proc = subprocess.Popen(self.mencoder_opts,
    1.63 -                                         stdout=subprocess.PIPE, close_fds=True)
    1.64 -        except Exception, e:
    1.65 -            self.log.error("Error executing mencoder: %s" % e)
    1.66 +        if not self._run_mencoder(output=subprocess.PIPE):
    1.67              return False
    1.68  
    1.69 -
    1.70          try:
    1.71              while self.proc and self.proc.poll() == None:
    1.72                  d = self.proc.stdout.read(1024)
    1.73 @@ -235,22 +232,76 @@
    1.74          return True
    1.75      # _start()
    1.76  
    1.77 +    def _start_myth(self, outfd):
    1.78 +        # gmyth-cat -h 192.168.1.124 -p 6543 -c 111
    1.79 +        # gmyth-cat -h 192.168.1.124 -p 6543 -f file.nuv
    1.80 +        # myth://IP:PORT:type:file
    1.81 +        host = self.args["gmyth-cat"][0]
    1.82 +        port = self.args["gmyth-cat"][1]
    1.83 +        kind = self.args["gmyth-cat"][2]
    1.84 +        fchan = self.args["gmyth-cat"][3]
    1.85 +
    1.86 +        gmyth_cat = utils.which("gmyth-cat")
    1.87 +        opts = [gmyth_cat, "-h", host, "-p", port, "-" + kind, fchan]
    1.88 +        gr, gw = os.pipe()
    1.89 +
    1.90 +        try:
    1.91 +            self.gmyth = subprocess.Popen(opts, stdout=subprocess.PIPE, close_fds=True)
    1.92 +        except Exception, e:
    1.93 +            self.log.error("Error executing gmyth-cat: %s" % e)
    1.94 +            return False
    1.95 +
    1.96 +        if not self._run_mencoder(input=self.gmyth.stdout, output=subprocess.PIPE):
    1.97 +            return False
    1.98 +
    1.99 +        try:
   1.100 +            while self.proc and self.proc.poll() == None:
   1.101 +                r, w, x = select([self.proc.stdout], [], [], 0)
   1.102 +                if self.proc.stdout in r:
   1.103 +                    d = self.proc.stdout.read(4096)
   1.104 +                    outfd.write(d)
   1.105 +        except Exception, e:
   1.106 +            self.log.error("Problems handling data: %s" % e)
   1.107 +            return False
   1.108 +
   1.109 +        return True
   1.110 +    # _start_myth()
   1.111 +
   1.112 +    def _run_mencoder(self, input=None, output=None):
   1.113 +        try:
   1.114 +            self.proc = subprocess.Popen(self.mencoder_opts, stdin=input,
   1.115 +                                         stdout=output, close_fds=True)
   1.116 +        except Exception, e:
   1.117 +            self.log.error("Error executing mencoder: %s" % e)
   1.118 +            return False
   1.119 +
   1.120 +        return True
   1.121 +    # _run_mencoder()
   1.122  
   1.123      def start(self, outfd):
   1.124          cmd = " ".join(self.mencoder_opts)
   1.125          self.log.debug("Mencoder: %s" % cmd)
   1.126  
   1.127 -        if self.args["outfile"] == "-":
   1.128 -            return self._start(outfd)
   1.129 +        ret = False
   1.130 +
   1.131 +        if self.args["outfile"] == "-" and self.args["type"] in ["file", "dvd"]:
   1.132 +            ret = self._start(outfd)
   1.133 +
   1.134 +        elif self.args["type"] == "myth":
   1.135 +            ret = self._start_myth(outfd)
   1.136 +
   1.137          else:
   1.138 -            return self._start_outfile(outfd)
   1.139 +            ret = self._start_outfile(outfd)
   1.140 +
   1.141 +        self.stop()
   1.142 +        return ret
   1.143      # start()
   1.144  
   1.145  
   1.146      def stop(self):
   1.147          if self.proc:
   1.148              try:
   1.149 -                os.kill(self.proc.pid, signal.SIGTERM)
   1.150 +                os.kill(self.proc.pid, signal.SIGKILL)
   1.151              except OSError, e:
   1.152                  pass
   1.153  
   1.154 @@ -260,6 +311,20 @@
   1.155                  pass
   1.156  
   1.157              self.proc = None
   1.158 +
   1.159 +        if self.gmyth:
   1.160 +            try:
   1.161 +                os.kill(self.gmyth.pid, signal.SIGKILL)
   1.162 +            except OSError, e:
   1.163 +                pass
   1.164 +
   1.165 +            try:
   1.166 +                self.gmyth.wait()
   1.167 +            except Exception, e:
   1.168 +                pass
   1.169 +
   1.170 +            self.gmyth = None
   1.171 +
   1.172      # stop()
   1.173  
   1.174  # TranscoderMencoder