#if 0 /* # ----------------------------------------------------------------------- # mpav.py - MPlayer Audio Visualization Plugin # ----------------------------------------------------------------------- # $Id$ # # Notes: # Todo: # # ----------------------------------------------------------------------- # # ----------------------------------------------------------------------- # Freevo - A Home Theater PC framework # Copyright (C) 2002 Krister Lagerstrom, et al. # Please see the file freevo/Docs/CREDITS for a complete list of authors. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU 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 MER- # CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU 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 # # ----------------------------------------------------------------------- */ #endif mmap_file = '/tmp/mpav' app = '/usr/local/bin/mpav' import os import childapp # Handle child applications import config import plugin import util import osd import skin import string import time import thread from event import * osd = osd.get_singleton() skin = skin.get_singleton() class MPAV( childapp.ChildApp2 ): """ class controlling the in and output from the mpav process """ def __init__( self, app, mplayer, size=None ): self.osd = osd self.item = mplayer.item self.mplayer = mplayer self.lines = [] self.messages = [] childapp.ChildApp2.__init__( self, app ) self.change_resolution( size ) self.toggle_fs() # __init__() def terminate( self ): """ Stop MPAV """ self.stop( "quit\n" ) # stop() def stderr_cb( self, line ): print "ERR: %s" % line def stdout_cb( self, line ): """ Get stdout and store in "lines" buffer """ self.lines += [ line ] print "line: %s" % line k = "Message ID:" if line.find( k ) >= 0: self.messages[ -1 ][ -1 ] = line[ len( k ) : ] # stdout_cb() def add_msg( self, font, x, y, msg ): """ Write message to MPAV screen """ print "cms '%s' %d %d %d 0xffffff 2 2 0x000000 '%s'\n" % ( font.name, font.size, x, y, msg ) self.write( "cms '%s' %d %d %d 0xffffff 2 2 0x000000 '%s'\n" % ( font.name, font.size, x, y, msg ) ) self.messages += [ [ font, x, y, msg, "????" ] ] # add_msg() def del_msg( self, msgid ): """ Delete message from MPAV screen given its id msgid is a list: [ font, x, y, msg ] """ for m in self.messages: if m[ : -1 ] == msgid: self.write( "dm %s\n" % m[ -1 ] ) # del_msg() def toggle_fs( self ): """ Toggle Fullscreen """ self.write( "fs\n" ) # toggle_fs() def change_resolution( self, size ): """ Change resolution """ self.size = size if isinstance( size, tuple ): self.write( "sr %d %d\n" % size ) # change_resolution() # MPAV class PluginInterface( plugin.Plugin ): """ MPlayer Audio Visualization Plugin This plugin let you view some beautiful graphics while listen to music. While playing, you can hit '0' to toggle visualization mode between (in sequence): * just visualization (no text, default) * visualization + text (title, artist, album) * player window (deactivate mpav) To activate it, just add to your local_conf.py: plugin.activate( 'audio.mpav', args=( ( , ), ) ) Notice: * If you have a slow machine, don't use it!!! * If you experience performance problems, try using lower resolution (decrease width and height). You can get MPAV from: http://gsbarbieri.sytes.net/mpav/ while it's not shipped with Freevo. """ def __init__( self, size=None ): """ normal plugin init, but sets _type to 'mplayer_audio' """ plugin.Plugin.__init__( self ) self.mpav = None self.player = None self.size = size self._type = "mplayer_audio" self.osd_view = 0 self.messages = [] config.EVENTS['audio']['0'] = TOGGLE_OSD self.plugin_name = "audio.mpav" plugin.register( self, self.plugin_name ) # __init__() def play( self, command, player ): """ called before playing is started to add some stuff to the command line """ self.player = player return command + [ "-af", "export=" + mmap_file ] # play() def eventhandler( self, event ): """ eventhandler to simulate hide/show of mpav """ if event == TOGGLE_OSD: if self.osd_view == 0 and self.mpav: self.show_info_mpav() elif self.osd_view == 1 and self.mpav: self.stop_mpav() elif self.osd_view == 2 and not self.mpav: self.start_mpav() self.osd_view = ( self.osd_view + 1 ) % 3 return True # eventhandler() def stdout( self, line ): """ get information from mplayer stdout """ if self.mpav: return try: if line.find( "[export] Memory mapped to file: "+mmap_file ) == 0: self.start_mpav() _debug_( "Detected MPlayer 'export' audio filter! Using MPAV." ) return except: pass # stdout() def start_mpav( self ): """ start mpav """ if not self.mpav: command = [ app, "-s", "-f", mmap_file ] self.mpav = MPAV( command, self.player, ( self.size ) ) if self.osd_view == 1: self.show_info_mpav() # start_mpav() def stop_mpav( self ): """ stop mpav """ if self.mpav: self.mpav.terminate() self.mpav = None # stop_mpav() def show_info_mpav( self ): """ show info on MPAV screen """ font = skin.get_font( "default" ) iattr = self.player.item.getattr x, y = 10, 10 for a in ( "title", "artist", "album" ): m = String( _( string.capwords( a ) + ":" ), "latin-1" ) m += " " + String( iattr( a ), "latin-1" ) self.mpav.add_msg( font, x, y, m ) y += font.height # show_info_mpav() def stop( self ): """ stop plugin """ self.stop_mpav() # stop() # PluginInterface