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_FX_LV2_AUDIO_H__ 21 #define __AGS_FX_LV2_AUDIO_H__ 22 23 #include <glib.h> 24 #include <glib-object.h> 25 26 #include <ags/libags.h> 27 28 #include <alsa/seq_event.h> 29 30 #include <lv2.h> 31 32 #include <ags/plugin/ags_lv2_plugin.h> 33 34 #include <ags/audio/ags_port.h> 35 36 #include <ags/audio/fx/ags_fx_notation_audio.h> 37 38 G_BEGIN_DECLS 39 40 #define AGS_TYPE_FX_LV2_AUDIO (ags_fx_lv2_audio_get_type()) 41 #define AGS_FX_LV2_AUDIO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_FX_LV2_AUDIO, AgsFxLv2Audio)) 42 #define AGS_FX_LV2_AUDIO_CLASS(class) (G_TYPE_CHECK_CLASS_CAST((class), AGS_TYPE_FX_LV2_AUDIO, AgsFxLv2AudioClass)) 43 #define AGS_IS_FX_LV2_AUDIO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_FX_LV2_AUDIO)) 44 #define AGS_IS_FX_LV2_AUDIO_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), AGS_TYPE_FX_LV2_AUDIO)) 45 #define AGS_FX_LV2_AUDIO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), AGS_TYPE_FX_LV2_AUDIO, AgsFxLv2AudioClass)) 46 47 #define AGS_FX_LV2_AUDIO_SCOPE_DATA(ptr) ((AgsFxLv2AudioScopeData *) (ptr)) 48 #define AGS_FX_LV2_AUDIO_SCOPE_DATA_GET_STRCT_MUTEX(ptr) (&(((AgsFxLv2AudioScopeData *)(ptr))->strct_mutex)) 49 50 #define AGS_FX_LV2_AUDIO_CHANNEL_DATA(ptr) ((AgsFxLv2AudioChannelData *) (ptr)) 51 #define AGS_FX_LV2_AUDIO_CHANNEL_DATA_GET_STRCT_MUTEX(ptr) (&(((AgsFxLv2AudioChannelData *)(ptr))->strct_mutex)) 52 53 #define AGS_FX_LV2_AUDIO_INPUT_DATA(ptr) ((AgsFxLv2AudioInputData *) (ptr)) 54 #define AGS_FX_LV2_AUDIO_INPUT_DATA_GET_STRCT_MUTEX(ptr) (&(((AgsFxLv2AudioInputData *)(ptr))->strct_mutex)) 55 56 #define AGS_FX_LV2_AUDIO_DEFAULT_MIDI_LENGHT (8 * 256) 57 58 typedef struct _AgsFxLv2Audio AgsFxLv2Audio; 59 typedef struct _AgsFxLv2AudioScopeData AgsFxLv2AudioScopeData; 60 typedef struct _AgsFxLv2AudioChannelData AgsFxLv2AudioChannelData; 61 typedef struct _AgsFxLv2AudioInputData AgsFxLv2AudioInputData; 62 typedef struct _AgsFxLv2AudioClass AgsFxLv2AudioClass; 63 64 typedef enum{ 65 AGS_FX_LV2_AUDIO_LIVE_INSTRUMENT = 1, 66 }AgsFxLv2AudioFlags; 67 68 struct _AgsFxLv2Audio 69 { 70 AgsFxNotationAudio fx_notation_audio; 71 72 guint flags; 73 74 guint output_port_count; 75 guint *output_port; 76 77 guint input_port_count; 78 guint *input_port; 79 80 gboolean has_event_port; 81 guint event_port; 82 83 gboolean has_atom_port; 84 guint atom_port; 85 86 guint bank; 87 guint program; 88 89 AgsFxLv2AudioScopeData* scope_data[AGS_SOUND_SCOPE_LAST]; 90 91 AgsLv2Plugin *lv2_plugin; 92 93 AgsPort **lv2_port; 94 }; 95 96 struct _AgsFxLv2AudioClass 97 { 98 AgsFxNotationAudioClass fx_notation_audio; 99 }; 100 101 struct _AgsFxLv2AudioScopeData 102 { 103 GRecMutex strct_mutex; 104 105 gpointer parent; 106 107 guint audio_channels; 108 109 AgsFxLv2AudioChannelData **channel_data; 110 }; 111 112 struct _AgsFxLv2AudioChannelData 113 { 114 GRecMutex strct_mutex; 115 116 gpointer parent; 117 118 guint event_count; 119 120 float *output; 121 float *input; 122 123 gpointer event_port; 124 gpointer atom_port; 125 126 LV2_Handle *lv2_handle; 127 128 AgsFxLv2AudioInputData* input_data[AGS_SEQUENCER_MAX_MIDI_KEYS]; 129 }; 130 131 struct _AgsFxLv2AudioInputData 132 { 133 GRecMutex strct_mutex; 134 135 gpointer parent; 136 137 float *output; 138 float *input; 139 140 gpointer event_port; 141 gpointer atom_port; 142 143 LV2_Handle *lv2_handle; 144 145 snd_seq_event_t *event_buffer; 146 guint key_on; 147 }; 148 149 GType ags_fx_lv2_audio_get_type(); 150 151 /* runtime */ 152 AgsFxLv2AudioScopeData* ags_fx_lv2_audio_scope_data_alloc(); 153 void ags_fx_lv2_audio_scope_data_free(AgsFxLv2AudioScopeData *scope_data); 154 155 AgsFxLv2AudioChannelData* ags_fx_lv2_audio_channel_data_alloc(); 156 void ags_fx_lv2_audio_channel_data_free(AgsFxLv2AudioChannelData *channel_data); 157 158 AgsFxLv2AudioInputData* ags_fx_lv2_audio_input_data_alloc(); 159 void ags_fx_lv2_audio_input_data_free(AgsFxLv2AudioInputData *input_data); 160 161 /* flags */ 162 gboolean ags_fx_lv2_audio_test_flags(AgsFxLv2Audio *fx_lv2_audio, guint flags); 163 void ags_fx_lv2_audio_set_flags(AgsFxLv2Audio *fx_lv2_audio, guint flags); 164 void ags_fx_lv2_audio_unset_flags(AgsFxLv2Audio *fx_lv2_audio, guint flags); 165 166 /* load/unload */ 167 void ags_fx_lv2_audio_load_plugin(AgsFxLv2Audio *fx_lv2_audio); 168 void ags_fx_lv2_audio_load_port(AgsFxLv2Audio *fx_lv2_audio); 169 170 /* plugin */ 171 void ags_fx_lv2_audio_change_program(AgsFxLv2Audio *fx_lv2_audio, 172 guint bank_index, 173 guint program_index); 174 175 /* instantiate */ 176 AgsFxLv2Audio* ags_fx_lv2_audio_new(AgsAudio *audio); 177 178 G_END_DECLS 179 180 #endif /*__AGS_FX_LV2_AUDIO_H__*/ 181