1 /* GSequencer - Advanced GTK Sequencer 2 * Copyright (C) 2005-2019 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_LV2_WORKER_H__ 21 #define __AGS_LV2_WORKER_H__ 22 23 #include <glib.h> 24 #include <glib-object.h> 25 26 #include <ags/libags.h> 27 28 #include <lv2.h> 29 #include <lv2/lv2plug.in/ns/ext/worker/worker.h> 30 31 G_BEGIN_DECLS 32 33 #define AGS_TYPE_LV2_WORKER (ags_lv2_worker_get_type()) 34 #define AGS_LV2_WORKER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_LV2_WORKER, AgsLv2Worker)) 35 #define AGS_LV2_WORKER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST((class), AGS_TYPE_LV2_WORKER, AgsLv2WorkerClass)) 36 #define AGS_IS_LV2_WORKER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_LV2_WORKER)) 37 #define AGS_IS_LV2_WORKER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), AGS_TYPE_LV2_WORKER)) 38 #define AGS_LV2_WORKER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), AGS_TYPE_LV2_WORKER, AgsLv2WorkerClass)) 39 40 #define AGS_LV2_WORKER_GET_OBJ_MUTEX(obj) (&(((AgsLv2Worker *) obj)->obj_mutex)) 41 42 #define AGS_LV2_WORKER_RESPONSE_DATA(ptr) ((AgsLv2WorkerResponseData *)(ptr)) 43 44 typedef struct _AgsLv2Worker AgsLv2Worker; 45 typedef struct _AgsLv2WorkerClass AgsLv2WorkerClass; 46 typedef struct _AgsLv2WorkerResponseData AgsLv2WorkerResponseData; 47 48 /** 49 * AgsLv2WorkerFlags: 50 * @AGS_LV2_WORKER_RUN: the worker is running 51 * 52 * Enum values to control the behavior or indicate internal state of #AgsLv2Worker by 53 * enable/disable as flags. 54 */ 55 typedef enum{ 56 AGS_LV2_WORKER_RUN = 1, 57 }AgsLv2WorkerFlags; 58 59 struct _AgsLv2Worker 60 { 61 GObject gobject; 62 63 guint flags; 64 65 GRecMutex obj_mutex; 66 67 LV2_Handle handle; 68 LV2_Worker_Interface *worker_interface; 69 70 guint work_size; 71 void *work_data; 72 73 GList *response_data; 74 75 AgsThread *worker_thread; 76 }; 77 78 struct _AgsLv2WorkerClass 79 { 80 GObjectClass gobject; 81 }; 82 83 struct _AgsLv2WorkerResponseData 84 { 85 uint32_t data_size; 86 void *data; 87 }; 88 89 GType ags_lv2_worker_get_type(void); 90 GType ags_lv2_worker_flags_get_type(); 91 92 gboolean ags_lv2_worker_test_flags(AgsLv2Worker *lv2_worker, guint flags); 93 void ags_lv2_worker_set_flags(AgsLv2Worker *lv2_worker, guint flags); 94 void ags_lv2_worker_unset_flags(AgsLv2Worker *lv2_worker, guint flags); 95 96 AgsLv2WorkerResponseData* ags_lv2_worker_alloc_response_data(); 97 void ags_lv2_worker_free_response_data(AgsLv2WorkerResponseData *response_data); 98 99 LV2_Worker_Status ags_lv2_worker_respond(LV2_Worker_Respond_Handle handle, 100 uint32_t data_size, 101 const void* data); 102 103 LV2_Worker_Status ags_lv2_worker_schedule_work(LV2_Worker_Schedule_Handle handle, 104 uint32_t data_size, 105 const void* data); 106 107 void ags_lv2_worker_do_poll(AgsWorkerThread *worker_thread, gpointer data); 108 109 AgsLv2Worker* ags_lv2_worker_new(); 110 111 G_END_DECLS 112 113 #endif /*__AGS_LV2_WORKER_H__*/ 114