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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_AUDIO_POLICY_CORE_H
#define ANDROID_AUDIO_POLICY_CORE_H
#include <stdint.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <cutils/bitops.h>
__BEGIN_DECLS
/* The enums were moved here mostly from
* frameworks/base/include/media/AudioSystem.h
*/
/* request to open a direct output with get_output() (by opposition to
* sharing an output with other AudioTracks)
*/
typedef enum {
AUDIO_POLICY_OUTPUT_FLAG_NONE = 0x0,
AUDIO_POLICY_OUTPUT_FLAG_DIRECT = 0x1
} audio_policy_output_flags_t;
/* device categories used for audio_policy->set_force_use() */
typedef enum {
AUDIO_POLICY_FORCE_NONE,
AUDIO_POLICY_FORCE_SPEAKER,
AUDIO_POLICY_FORCE_HEADPHONES,
AUDIO_POLICY_FORCE_BT_SCO,
AUDIO_POLICY_FORCE_BT_A2DP,
AUDIO_POLICY_FORCE_WIRED_ACCESSORY,
AUDIO_POLICY_FORCE_BT_CAR_DOCK,
AUDIO_POLICY_FORCE_BT_DESK_DOCK,
AUDIO_POLICY_FORCE_ANALOG_DOCK,
AUDIO_POLICY_FORCE_DIGITAL_DOCK,
AUDIO_POLICY_FORCE_CFG_CNT,
AUDIO_POLICY_FORCE_CFG_MAX = AUDIO_POLICY_FORCE_CFG_CNT - 1,
AUDIO_POLICY_FORCE_DEFAULT = AUDIO_POLICY_FORCE_NONE,
} audio_policy_forced_cfg_t;
/* usages used for audio_policy->set_force_use() */
typedef enum {
AUDIO_POLICY_FORCE_FOR_COMMUNICATION,
AUDIO_POLICY_FORCE_FOR_MEDIA,
AUDIO_POLICY_FORCE_FOR_RECORD,
AUDIO_POLICY_FORCE_FOR_DOCK,
AUDIO_POLICY_FORCE_USE_CNT,
AUDIO_POLICY_FORCE_USE_MAX = AUDIO_POLICY_FORCE_USE_CNT - 1,
} audio_policy_force_use_t;
/* device connection states used for audio_policy->set_device_connection_state()
*/
typedef enum {
AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
AUDIO_POLICY_DEVICE_STATE_CNT,
AUDIO_POLICY_DEVICE_STATE_MAX = AUDIO_POLICY_DEVICE_STATE_CNT - 1,
} audio_policy_dev_state_t;
typedef enum {
/* Used to generate a tone to notify the user of a
* notification/alarm/ringtone while they are in a call. */
AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION = 0,
AUDIO_POLICY_TONE_CNT,
AUDIO_POLICY_TONE_MAX = AUDIO_POLICY_TONE_CNT - 1,
} audio_policy_tone_t;
static inline bool audio_is_low_visibility(audio_stream_type_t stream)
{
switch (stream) {
case AUDIO_STREAM_SYSTEM:
case AUDIO_STREAM_NOTIFICATION:
case AUDIO_STREAM_RING:
return true;
default:
return false;
}
}
__END_DECLS
#endif // ANDROID_AUDIO_POLICY_CORE_H
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