00001 /* 00002 * Copyright (C) 2003-2009 The Music Player Daemon Project 00003 * http://www.musicpd.org 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 2 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License along 00016 * with this program; if not, write to the Free Software Foundation, Inc., 00017 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00018 */ 00019 00020 /* \file 00021 * 00022 * The player thread controls the playback. It acts as a bridge 00023 * between the decoder thread and the output thread(s): it receives 00024 * #music_chunk objects from the decoder, optionally mixes them 00025 * (cross-fading), applies software volume, and sends them to the 00026 * audio outputs via audio_output_all_play(). 00027 * 00028 * It is controlled by the main thread (the playlist code), see 00029 * player_control.h. The playlist enqueues new songs into the player 00030 * thread and sends it commands. 00031 * 00032 * The player thread itself does not do any I/O. It synchronizes with 00033 * other threads via #GMutex and #GCond objects, and passes 00034 * #music_chunk instances around in #music_pipe objects. 00035 */ 00036 00037 #ifndef MPD_PLAYER_THREAD_H 00038 #define MPD_PLAYER_THREAD_H 00039 00040 void player_create(void); 00041 00042 #endif