repositories / deb_android-headers.git / blame
| Commit | Line | Data |
|---|---|---|
| 1e494cf4 JB |
1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef ANDROID_INCLUDE_BT_AV_H | |
| 18 | #define ANDROID_INCLUDE_BT_AV_H | |
| 19 | ||
| 20 | __BEGIN_DECLS | |
| 21 | ||
| 22 | /* Bluetooth AV connection states */ | |
| 23 | typedef enum { | |
| 24 | BTAV_CONNECTION_STATE_DISCONNECTED = 0, | |
| 25 | BTAV_CONNECTION_STATE_CONNECTING, | |
| 26 | BTAV_CONNECTION_STATE_CONNECTED, | |
| 27 | BTAV_CONNECTION_STATE_DISCONNECTING | |
| 28 | } btav_connection_state_t; | |
| 29 | ||
| 30 | /* Bluetooth AV datapath states */ | |
| 31 | typedef enum { | |
| 32 | BTAV_AUDIO_STATE_REMOTE_SUSPEND = 0, | |
| 33 | BTAV_AUDIO_STATE_STOPPED, | |
| 34 | BTAV_AUDIO_STATE_STARTED, | |
| 35 | } btav_audio_state_t; | |
| 36 | ||
| 37 | ||
| 38 | /** Callback for connection state change. | |
| 39 | * state will have one of the values from btav_connection_state_t | |
| 40 | */ | |
| 41 | typedef void (* btav_connection_state_callback)(btav_connection_state_t state, | |
| 42 | bt_bdaddr_t *bd_addr); | |
| 43 | ||
| 44 | /** Callback for audiopath state change. | |
| 45 | * state will have one of the values from btav_audio_state_t | |
| 46 | */ | |
| 47 | typedef void (* btav_audio_state_callback)(btav_audio_state_t state, | |
| 48 | bt_bdaddr_t *bd_addr); | |
| 49 | ||
| 50 | /** BT-AV callback structure. */ | |
| 51 | typedef struct { | |
| 52 | /** set to sizeof(btav_callbacks_t) */ | |
| 53 | size_t size; | |
| 54 | btav_connection_state_callback connection_state_cb; | |
| 55 | btav_audio_state_callback audio_state_cb; | |
| 56 | } btav_callbacks_t; | |
| 57 | ||
| 58 | /** | |
| 59 | * NOTE: | |
| 60 | * | |
| 61 | * 1. AVRCP 1.0 shall be supported initially. AVRCP passthrough commands | |
| 62 | * shall be handled internally via uinput | |
| 63 | * | |
| 64 | * 2. A2DP data path shall be handled via a socket pipe between the AudioFlinger | |
| 65 | * android_audio_hw library and the Bluetooth stack. | |
| 66 | * | |
| 67 | */ | |
| 68 | /** Represents the standard BT-AV interface. */ | |
| 69 | typedef struct { | |
| 70 | ||
| 71 | /** set to sizeof(btav_interface_t) */ | |
| 72 | size_t size; | |
| 73 | /** | |
| 74 | * Register the BtAv callbacks | |
| 75 | */ | |
| 76 | bt_status_t (*init)( btav_callbacks_t* callbacks ); | |
| 77 | ||
| 78 | /** connect to headset */ | |
| 79 | bt_status_t (*connect)( bt_bdaddr_t *bd_addr ); | |
| 80 | ||
| 81 | /** dis-connect from headset */ | |
| 82 | bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr ); | |
| 83 | ||
| 84 | /** Closes the interface. */ | |
| 85 | void (*cleanup)( void ); | |
| 86 | } btav_interface_t; | |
| 87 | ||
| 88 | __END_DECLS | |
| 89 | ||
| 90 | #endif /* ANDROID_INCLUDE_BT_AV_H */ |