1 /* GSequencer - Advanced GTK Sequencer 2 * Copyright (C) 2005-2020 Joël Krähemann 3 * 4 * This file is part of GSequencer. 5 * 6 * GSequencer is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * GSequencer is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with GSequencer. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef __AGS_CHANNEL_THREAD_H__ 21 #define __AGS_CHANNEL_THREAD_H__ 22 23 #include <glib.h> 24 #include <glib-object.h> 25 26 #include <ags/libags.h> 27 28 #include <ags/audio/ags_sound_enums.h> 29 30 G_BEGIN_DECLS 31 32 #define AGS_TYPE_CHANNEL_THREAD (ags_channel_thread_get_type()) 33 #define AGS_CHANNEL_THREAD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_CHANNEL_THREAD, AgsChannelThread)) 34 #define AGS_CHANNEL_THREAD_CLASS(class) (G_TYPE_CHECK_CLASS_CAST(class, AGS_TYPE_CHANNEL_THREAD, AgsChannelThreadClass)) 35 #define AGS_IS_CHANNEL_THREAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_CHANNEL_THREAD)) 36 #define AGS_IS_CHANNEL_THREAD_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), AGS_TYPE_CHANNEL_THREAD)) 37 #define AGS_CHANNEL_THREAD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS(obj, AGS_TYPE_CHANNEL_THREAD, AgsChannelThreadClass)) 38 39 #define AGS_CHANNEL_THREAD_DEFAULT_JIFFIE (ceil(AGS_SOUNDCARD_DEFAULT_SAMPLERATE / AGS_SOUNDCARD_DEFAULT_BUFFER_SIZE) + AGS_SOUNDCARD_DEFAULT_OVERCLOCK) 40 41 typedef struct _AgsChannelThread AgsChannelThread; 42 typedef struct _AgsChannelThreadClass AgsChannelThreadClass; 43 44 /** 45 * AgsChannelThreadFlags: 46 * @AGS_CHANNEL_THREAD_STATUS_DONE: sync done parent thread, initial wait during #AgsThread::run() 47 * @AGS_CHANNEL_THREAD_STATUS_WAIT: sync wait parent thread, initial wait during #AgsThread::run() 48 * @AGS_CHANNEL_THREAD_STATUS_DONE_SYNC: sync done parent thread, signal completed during #AgsThread::run() 49 * @AGS_CHANNEL_THREAD_STATUS_WAIT_SYNC: sync wait parent thread, signal completed during #AgsThread::run() 50 * 51 * Enum values to control the behavior or indicate internal state of #AgsChannelThread by 52 * enable/disable as flags. 53 */ 54 typedef enum{ 55 AGS_CHANNEL_THREAD_STATUS_DONE = 1, 56 AGS_CHANNEL_THREAD_STATUS_WAIT = 1 << 1, 57 AGS_CHANNEL_THREAD_STATUS_DONE_SYNC = 1 << 2, 58 AGS_CHANNEL_THREAD_STATUS_WAIT_SYNC = 1 << 3, 59 }AgsChannelThreadFlags; 60 61 struct _AgsChannelThread 62 { 63 AgsThread thread; 64 65 volatile guint status_flags; 66 67 GObject *default_output_soundcard; 68 69 GMutex wakeup_mutex; 70 GCond wakeup_cond; 71 72 GMutex done_mutex; 73 GCond done_cond; 74 75 GObject *channel; 76 77 gint sound_scope; 78 79 gboolean do_fx_staging; 80 81 guint *staging_program; 82 guint staging_program_count; 83 }; 84 85 struct _AgsChannelThreadClass 86 { 87 AgsThreadClass thread; 88 }; 89 90 GType ags_channel_thread_get_type(); 91 92 /* flags */ 93 gboolean ags_channel_thread_test_status_flags(AgsChannelThread *channel_thread, guint status_flags); 94 void ags_channel_thread_set_status_flags(AgsChannelThread *channel_thread, guint status_flags); 95 void ags_channel_thread_unset_status_flags(AgsChannelThread *channel_thread, guint status_flags); 96 97 void ags_channel_thread_set_sound_scope(AgsChannelThread *channel_thread, 98 gint sound_scope); 99 100 /* staging */ 101 gboolean ags_channel_thread_get_do_fx_staging(AgsChannelThread *channel_thread); 102 void ags_channel_thread_set_do_fx_staging(AgsChannelThread *channel_thread, gboolean do_fx_staging); 103 104 guint* ags_channel_thread_get_staging_program(AgsChannelThread *channel_thread, 105 guint *staging_program_count); 106 void ags_channel_thread_set_staging_program(AgsChannelThread *channel_thread, 107 guint *staging_program, 108 guint staging_program_count); 109 110 /* instantiate */ 111 AgsChannelThread* ags_channel_thread_new(GObject *default_output_soundcard, 112 GObject *channel); 113 114 G_END_DECLS 115 116 #endif /*__AGS_CHANNEL_THREAD_H__*/ 117