2 * Copyright (C) 2011 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 #ifndef ANDROID_AUDIO_POLICY_CORE_H
19 #define ANDROID_AUDIO_POLICY_CORE_H
22 #include <sys/cdefs.h>
23 #include <sys/types.h>
25 #include <cutils/bitops.h>
29 /* The enums were moved here mostly from
30 * frameworks/base/include/media/AudioSystem.h
33 /* device categories used for audio_policy->set_force_use() */
35 AUDIO_POLICY_FORCE_NONE
,
36 AUDIO_POLICY_FORCE_SPEAKER
,
37 AUDIO_POLICY_FORCE_HEADPHONES
,
38 AUDIO_POLICY_FORCE_BT_SCO
,
39 AUDIO_POLICY_FORCE_BT_A2DP
,
40 AUDIO_POLICY_FORCE_WIRED_ACCESSORY
,
41 AUDIO_POLICY_FORCE_BT_CAR_DOCK
,
42 AUDIO_POLICY_FORCE_BT_DESK_DOCK
,
43 AUDIO_POLICY_FORCE_ANALOG_DOCK
,
44 AUDIO_POLICY_FORCE_DIGITAL_DOCK
,
45 AUDIO_POLICY_FORCE_NO_BT_A2DP
, /* A2DP sink is not preferred to speaker or wired HS */
46 AUDIO_POLICY_FORCE_SYSTEM_ENFORCED
,
48 AUDIO_POLICY_FORCE_CFG_CNT
,
49 AUDIO_POLICY_FORCE_CFG_MAX
= AUDIO_POLICY_FORCE_CFG_CNT
- 1,
51 AUDIO_POLICY_FORCE_DEFAULT
= AUDIO_POLICY_FORCE_NONE
,
52 } audio_policy_forced_cfg_t
;
54 /* usages used for audio_policy->set_force_use() */
56 AUDIO_POLICY_FORCE_FOR_COMMUNICATION
,
57 AUDIO_POLICY_FORCE_FOR_MEDIA
,
58 AUDIO_POLICY_FORCE_FOR_RECORD
,
59 AUDIO_POLICY_FORCE_FOR_DOCK
,
60 AUDIO_POLICY_FORCE_FOR_SYSTEM
,
62 AUDIO_POLICY_FORCE_USE_CNT
,
63 AUDIO_POLICY_FORCE_USE_MAX
= AUDIO_POLICY_FORCE_USE_CNT
- 1,
64 } audio_policy_force_use_t
;
66 /* device connection states used for audio_policy->set_device_connection_state()
69 AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE
,
70 AUDIO_POLICY_DEVICE_STATE_AVAILABLE
,
72 AUDIO_POLICY_DEVICE_STATE_CNT
,
73 AUDIO_POLICY_DEVICE_STATE_MAX
= AUDIO_POLICY_DEVICE_STATE_CNT
- 1,
74 } audio_policy_dev_state_t
;
77 /* Used to generate a tone to notify the user of a
78 * notification/alarm/ringtone while they are in a call. */
79 AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION
= 0,
81 AUDIO_POLICY_TONE_CNT
,
82 AUDIO_POLICY_TONE_MAX
= AUDIO_POLICY_TONE_CNT
- 1,
83 } audio_policy_tone_t
;
86 static inline bool audio_is_low_visibility(audio_stream_type_t stream
)
89 case AUDIO_STREAM_SYSTEM
:
90 case AUDIO_STREAM_NOTIFICATION
:
91 case AUDIO_STREAM_RING
:
101 #endif // ANDROID_AUDIO_POLICY_CORE_H