mpd/src/output_internal.h
Max Kellermann 46c15e4ab3 output: include cleanup
Don't include output_api.h in output_internal.h.  This change requires
adding missing includes in several sources.
2009-02-16 01:51:50 +01:00

143 lines
3.2 KiB
C

/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
* 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_INTERNAL_H
#define MPD_OUTPUT_INTERNAL_H
#include "audio_format.h"
#include "pcm_convert.h"
#include "notify.h"
#include <time.h>
enum audio_output_command {
AO_COMMAND_NONE = 0,
AO_COMMAND_OPEN,
AO_COMMAND_CLOSE,
AO_COMMAND_PLAY,
AO_COMMAND_PAUSE,
AO_COMMAND_CANCEL,
AO_COMMAND_SEND_TAG,
AO_COMMAND_KILL
};
struct audio_output {
/**
* The device's configured display name.
*/
const char *name;
/**
* The plugin which implements this output device.
*/
const struct audio_output_plugin *plugin;
/**
* The plugin's internal data. It is passed to every plugin
* method.
*/
void *data;
/**
* Has the user enabled this device?
*/
bool enabled;
/**
* Is the device (already) open and functional?
*/
bool open;
/**
* If not zero, the device has failed, and should not be
* reopened automatically before this time stamp.
*/
time_t reopen_after;
/**
* The audio_format in which audio data is received from the
* player thread (which in turn receives it from the decoder).
*/
struct audio_format in_audio_format;
/**
* The audio_format which is really sent to the device. This
* is basically config_audio_format (if configured) or
* in_audio_format, but may have been modified by
* plugin->open().
*/
struct audio_format out_audio_format;
/**
* The audio_format which was configured. Only set if
* convertAudioFormat is true.
*/
struct audio_format config_audio_format;
struct pcm_convert_state convert_state;
/**
* The thread handle, or NULL if the output thread isn't
* running.
*/
GThread *thread;
/**
* Notify object for the thread.
*/
struct notify notify;
/**
* The next command to be performed by the output thread.
*/
enum audio_output_command command;
/**
* Command arguments, depending on the command.
*/
union {
struct {
const char *data;
size_t size;
} play;
const struct tag *tag;
} args;
};
/**
* Notify object used by the thread's client, i.e. we will send a
* notify signal to this object, expecting the caller to wait on it.
*/
extern struct notify audio_output_client_notify;
static inline bool
audio_output_is_open(const struct audio_output *ao)
{
return ao->open;
}
static inline bool
audio_output_command_is_finished(const struct audio_output *ao)
{
return ao->command == AO_COMMAND_NONE;
}
#endif