include/mm_sound_focus.h

   1 /*
   2  * libmm-sound
   3  *
   4  * Copyright (c) 2000 - 2014 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 /**
  23  * @file                mm_sound_focus.h
  24  * @brief               Application interface library for sound module.
  25  * @date
  26  *
  27  * Application interface library for sound module.
  28  */
  29
  30 #ifndef __MM_SOUND_FOCUS_H__
  31 #define __MM_SOUND_FOCUS_H__
  32
  33 #ifdef __cplusplus
  34         extern "C" {
  35 #endif
  36
  37 typedef enum {
  38         FOCUS_IS_RELEASED,
  39         FOCUS_IS_ACQUIRED,
  40 } mm_sound_focus_state_e;
  41
  42 typedef enum {
  43         FOCUS_FOR_PLAYBACK = 1,
  44         FOCUS_FOR_CAPTURE,
  45         FOCUS_FOR_BOTH,
  46 } mm_sound_focus_type_e;
  47
  48 int mm_sound_focus_get_id(int *id);
  49
  50 typedef void (*mm_sound_focus_changed_cb) (int id, mm_sound_focus_type_e focus_type, mm_sound_focus_state_e state, const char *reason_for_change, const char *additional_info, void *user_data);
  51 int mm_sound_register_focus(int id, const char *stream_type, mm_sound_focus_changed_cb callback, void *user_data);
  52 int mm_sound_unregister_focus(int id);
  53 int mm_sound_acquire_focus(int id, mm_sound_focus_type_e focus_type, const char *additional_info);
  54 int mm_sound_release_focus(int id, mm_sound_focus_type_e focus_type, const char *additional_info);
  55
  56 typedef void (*mm_sound_focus_changed_watch_cb) (int id, mm_sound_focus_type_e focus_type, mm_sound_focus_state_e state, const char *reason_for_change, const char *additional_info, void *user_data);
  57 int mm_sound_set_focus_watch_callback(mm_sound_focus_type_e focus_type, mm_sound_focus_changed_watch_cb callback, void *user_data, int *id);
  58 int mm_sound_unset_focus_watch_callback(int id);
  59
  60 typedef void (*mm_sound_focus_session_interrupt_cb) (mm_sound_focus_state_e state, const char *reason_for_change, bool is_wcb, void *user_data);
  61 int mm_sound_focus_set_session_interrupt_callback(mm_sound_focus_session_interrupt_cb callback, void *user_data);
  62 int mm_sound_focus_unset_session_interrupt_callback(void);
  63
  64
  65 #ifdef __cplusplus
  66 }
  67 #endif
  68
  69 #endif  /* __MM_SOUND_FOCUS_H__ */
  70