/* the Music Player Daemon (MPD) * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) * This project's homepage is: http://www.musicpd.org * * 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 * 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 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 */ #ifndef MPD_OUTPUT_CONTROL_H #define MPD_OUTPUT_CONTROL_H #include <stddef.h> #include <stdbool.h> struct audio_output; struct audio_format; struct tag; struct config_param; bool audio_output_init(struct audio_output *ao, const struct config_param *param); bool audio_output_open(struct audio_output *ao, const struct audio_format *audio_format); /** * Opens or closes the device, depending on the "enabled" flag. */ void audio_output_update(struct audio_output *ao, const struct audio_format *audio_format); /** * Wakes up the audio output thread. This is part of a workaround for * a deadlock bug, and should be removed as soon as the real cause is * fixed. XXX */ void audio_output_signal(struct audio_output *ao); void audio_output_play(struct audio_output *ao, const void *chunk, size_t size); void audio_output_pause(struct audio_output *ao); void audio_output_cancel(struct audio_output *ao); void audio_output_close(struct audio_output *ao); void audio_output_finish(struct audio_output *ao); void audio_output_send_tag(struct audio_output *ao, const struct tag *tag); #endif