include/mm_sound_focus_private.h

   1 /*
   2  * libmm-sound
   3  *
   4  * Copyright (c) 2017 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Sangchul Lee <sc11.lee@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #ifndef __MM_SOUND_FOCUS_PRIVATE_H__
  23 #define __MM_SOUND_FOCUS_PRIVATE_H__
  24
  25 #include "mm_sound_common.h"
  26 #include "mm_sound_stream.h"
  27 #include "mm_sound_focus.h"
  28
  29 #define FOCUS_HANDLE_MAX 512
  30 #define FOCUS_HANDLE_INIT_VAL -1
  31
  32 typedef struct _FocusSource {
  33         GSource source;
  34         GPollFD poll_fd;
  35 } FocusSource;
  36
  37 typedef struct {
  38         int focus_pid;
  39         int handle;
  40         int client_fd;
  41         int focus_fd;
  42         FocusSource *fsrc;
  43         bool is_used;
  44         bool auto_reacquire;
  45         GMutex focus_lock;
  46         GThread *focus_cb_thread;
  47         GThread *focus_watch_cb_thread;
  48         GMainLoop *focus_loop;
  49         mm_sound_focus_changed_cb focus_callback;
  50         mm_sound_focus_changed_watch_cb watch_callback;
  51         void* user_data;
  52         bool unset_watch_callback_requested;
  53 } focus_sound_info_t;
  54
  55 typedef struct {
  56         int pid;
  57         int handle;
  58         int type;
  59         int state;
  60         char stream_type[MAX_STREAM_TYPE_LEN];
  61         char ext_info[MM_SOUND_NAME_NUM];
  62         int option;
  63 } focus_cb_data_lib;
  64
  65 typedef gboolean(*focus_callback_handler_t)(gpointer user_data);
  66 extern focus_sound_info_t g_focus_sound_handle[FOCUS_HANDLE_MAX];
  67
  68 int focus_find_empty_index(int *handle);
  69 int focus_find_index_by_handle(int handle);
  70 int focus_watch_find_index_by_handle(int handle);
  71
  72 int focus_init_context(int index, bool is_for_watching);
  73 void focus_deinit_context(int index, bool is_for_watching);
  74 void focus_init_callback(int index, bool is_for_watching);
  75 void focus_deinit_callback(int index, bool is_for_watching);
  76
  77 #endif /* __MM_SOUND_FOCUS_PRIVATE_H__ */