| Dima Zavin | 28e08dc | 2011-06-13 17:54:33 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | |
| 18 | #ifndef ANDROID_AUDIO_POLICY_CORE_H |
| 19 | #define ANDROID_AUDIO_POLICY_CORE_H |
| 20 | |
| 21 | #include <stdint.h> |
| 22 | #include <sys/cdefs.h> |
| 23 | #include <sys/types.h> |
| 24 | |
| 25 | #include <cutils/bitops.h> |
| 26 | |
| 27 | __BEGIN_DECLS |
| 28 | |
| 29 | /* The enums were moved here mostly from |
| 30 | * frameworks/base/include/media/AudioSystem.h |
| 31 | */ |
| 32 | |
| 33 | /* request to open a direct output with get_output() (by opposition to |
| 34 | * sharing an output with other AudioTracks) |
| 35 | */ |
| 36 | typedef enum { |
| 37 | AUDIO_POLICY_OUTPUT_FLAG_INDIRECT = 0x0, |
| 38 | AUDIO_POLICY_OUTPUT_FLAG_DIRECT = 0x1 |
| 39 | } audio_policy_output_flags_t; |
| 40 | |
| 41 | /* device categories used for audio_policy->set_force_use() */ |
| 42 | typedef enum { |
| 43 | AUDIO_POLICY_FORCE_NONE, |
| 44 | AUDIO_POLICY_FORCE_SPEAKER, |
| 45 | AUDIO_POLICY_FORCE_HEADPHONES, |
| 46 | AUDIO_POLICY_FORCE_BT_SCO, |
| 47 | AUDIO_POLICY_FORCE_BT_A2DP, |
| 48 | AUDIO_POLICY_FORCE_WIRED_ACCESSORY, |
| 49 | AUDIO_POLICY_FORCE_BT_CAR_DOCK, |
| 50 | AUDIO_POLICY_FORCE_BT_DESK_DOCK, |
| 51 | AUDIO_POLICY_FORCE_ANALOG_DOCK, |
| 52 | AUDIO_POLICY_FORCE_DIGITAL_DOCK, |
| 53 | |
| 54 | AUDIO_POLICY_FORCE_CFG_CNT, |
| 55 | AUDIO_POLICY_FORCE_CFG_MAX = AUDIO_POLICY_FORCE_CFG_CNT - 1, |
| 56 | |
| 57 | AUDIO_POLICY_FORCE_DEFAULT = AUDIO_POLICY_FORCE_NONE, |
| 58 | } audio_policy_forced_cfg_t; |
| 59 | |
| 60 | /* usages used for audio_policy->set_force_use() */ |
| 61 | typedef enum { |
| 62 | AUDIO_POLICY_FORCE_FOR_COMMUNICATION, |
| 63 | AUDIO_POLICY_FORCE_FOR_MEDIA, |
| 64 | AUDIO_POLICY_FORCE_FOR_RECORD, |
| 65 | AUDIO_POLICY_FORCE_FOR_DOCK, |
| 66 | |
| 67 | AUDIO_POLICY_FORCE_USE_CNT, |
| 68 | AUDIO_POLICY_FORCE_USE_MAX = AUDIO_POLICY_FORCE_USE_CNT - 1, |
| 69 | } audio_policy_force_use_t; |
| 70 | |
| 71 | /* device connection states used for audio_policy->set_device_connection_state() |
| 72 | */ |
| 73 | typedef enum { |
| 74 | AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, |
| 75 | AUDIO_POLICY_DEVICE_STATE_AVAILABLE, |
| 76 | |
| 77 | AUDIO_POLICY_DEVICE_STATE_CNT, |
| 78 | AUDIO_POLICY_DEVICE_STATE_MAX = AUDIO_POLICY_DEVICE_STATE_CNT - 1, |
| 79 | } audio_policy_dev_state_t; |
| 80 | |
| 81 | typedef enum { |
| 82 | /* Used to generate a tone to notify the user of a |
| 83 | * notification/alarm/ringtone while they are in a call. */ |
| 84 | AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION = 0, |
| 85 | |
| 86 | AUDIO_POLICY_TONE_CNT, |
| 87 | AUDIO_POLICY_TONE_MAX = AUDIO_POLICY_TONE_CNT - 1, |
| 88 | } audio_policy_tone_t; |
| 89 | |
| 90 | |
| 91 | static inline bool audio_is_low_visibility(audio_stream_type_t stream) |
| 92 | { |
| 93 | switch (stream) { |
| 94 | case AUDIO_STREAM_SYSTEM: |
| 95 | case AUDIO_STREAM_NOTIFICATION: |
| 96 | case AUDIO_STREAM_RING: |
| 97 | return true; |
| 98 | default: |
| 99 | return false; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | |
| 104 | __END_DECLS |
| 105 | |
| 106 | #endif // ANDROID_AUDIO_POLICY_CORE_H |