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/* GSequencer - Advanced GTK Sequencer
* Copyright (C) 2005-2025 Joël Krähemann
*
* This file is part of GSequencer.
*
* GSequencer 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 3 of the License, or
* (at your option) any later version.
*
* GSequencer 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 GSequencer. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __AGS_AUDIO_LOOP_H__
#define __AGS_AUDIO_LOOP_H__
#include <glib.h>
#include <glib-object.h>
#include <ags/libags.h>
#include <ags/audio/ags_sound_enums.h>
#include <ags/audio/thread/ags_audio_tree_dispatcher.h>
#include <math.h>
G_BEGIN_DECLS
#define AGS_TYPE_AUDIO_LOOP (ags_audio_loop_get_type())
#define AGS_AUDIO_LOOP(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_AUDIO_LOOP, AgsAudioLoop))
#define AGS_AUDIO_LOOP_CLASS(class) (G_TYPE_CHECK_CLASS_CAST(class, AGS_TYPE_AUDIO_LOOP, AgsAudioLoopClass))
#define AGS_IS_AUDIO_LOOP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_AUDIO_LOOP))
#define AGS_IS_AUDIO_LOOP_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), AGS_TYPE_AUDIO_LOOP))
#define AGS_AUDIO_LOOP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS(obj, AGS_TYPE_AUDIO_LOOP, AgsAudioLoopClass))
#define AGS_AUDIO_LOOP_DEFAULT_JIFFIE (ceil(AGS_SOUNDCARD_DEFAULT_SAMPLERATE / AGS_SOUNDCARD_DEFAULT_BUFFER_SIZE) + AGS_SOUNDCARD_DEFAULT_OVERCLOCK)
typedef struct _AgsAudioLoop AgsAudioLoop;
typedef struct _AgsAudioLoopClass AgsAudioLoopClass;
/**
* AgsAudioLoopFlags:
* @AGS_AUDIO_LOOP_PLAY_CHANNEL: play channel
* @AGS_AUDIO_LOOP_PLAYING_CHANNEL: playing channnel
* @AGS_AUDIO_LOOP_PLAY_CHANNEL_TERMINATING: play channe terminating
* @AGS_AUDIO_LOOP_PLAY_AUDIO: play audio
* @AGS_AUDIO_LOOP_PLAYING_AUDIO: playing audio
* @AGS_AUDIO_LOOP_PLAY_AUDIO_TERMINATING: play audio terminating
*
* Enum values to control the behavior or indicate internal state of #AgsAudioLoop by
* enable/disable as flags.
*/
typedef enum{
AGS_AUDIO_LOOP_PLAY_CHANNEL = 1,
AGS_AUDIO_LOOP_PLAYING_CHANNEL = 1 << 1,
AGS_AUDIO_LOOP_PLAY_CHANNEL_TERMINATING = 1 << 2,
AGS_AUDIO_LOOP_PLAY_AUDIO = 1 << 3,
AGS_AUDIO_LOOP_PLAYING_AUDIO = 1 << 4,
AGS_AUDIO_LOOP_PLAY_AUDIO_TERMINATING = 1 << 5,
}AgsAudioLoopFlags;
struct _AgsAudioLoop
{
AgsThread thread;
AgsAudioLoopFlags flags;
GRecMutex tree_lock;
_Atomic gboolean is_syncing;
_Atomic gboolean is_critical_region;
_Atomic guint critical_region_ref;
guint play_channel_ref;
GList *play_channel; // play AgsChannel
guint play_audio_ref;
GList *play_audio; // play AgsAudio
GList *sync_thread;
gboolean do_fx_staging;
guint *staging_program;
guint staging_program_count;
AgsAudioTreeDispatcher *audio_tree_dispatcher;
};
struct _AgsAudioLoopClass
{
AgsThreadClass thread;
};
GType ags_audio_loop_get_type();
/* flags */
gboolean ags_audio_loop_test_flags(AgsAudioLoop *audio_loop, AgsAudioLoopFlags flags);
void ags_audio_loop_set_flags(AgsAudioLoop *audio_loop, AgsAudioLoopFlags flags);
void ags_audio_loop_unset_flags(AgsAudioLoop *audio_loop, AgsAudioLoopFlags flags);
/* runtime */
void ags_audio_loop_add_audio(AgsAudioLoop *audio_loop, GObject *audio);
void ags_audio_loop_remove_audio(AgsAudioLoop *audio_loop, GObject *audio);
void ags_audio_loop_add_channel(AgsAudioLoop *audio_loop, GObject *channel);
void ags_audio_loop_remove_channel(AgsAudioLoop *audio_loop, GObject *channel);
/* staging */
gboolean ags_audio_loop_get_do_fx_staging(AgsAudioLoop *audio_loop);
void ags_audio_loop_set_do_fx_staging(AgsAudioLoop *audio_loop, gboolean do_fx_staging);
guint* ags_audio_loop_get_staging_program(AgsAudioLoop *audio_loop,
guint *staging_program_count);
void ags_audio_loop_set_staging_program(AgsAudioLoop *audio_loop,
guint *staging_program,
guint staging_program_count);
/* instantiate */
AgsAudioLoop* ags_audio_loop_new();
G_END_DECLS
#endif /*__AGS_AUDIO_LOOP_H__*/
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