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PL286/hardware/libhardware_legacy/include/hardware_legacy/AudioSystemLegacy.h

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/*
* Copyright (C) 2008 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_AUDIOSYSTEM_LEGACY_H_
#define ANDROID_AUDIOSYSTEM_LEGACY_H_
#include <utils/Errors.h>
#include <media/AudioParameter.h>
#include <system/audio.h>
#include <system/audio_policy.h>
namespace android_audio_legacy {
using android::status_t;
using android::AudioParameter;
enum {
OK = android::OK,
NO_ERROR = android::NO_ERROR,
UNKNOWN_ERROR = android::UNKNOWN_ERROR,
NO_MEMORY = android::NO_MEMORY,
INVALID_OPERATION = android::INVALID_OPERATION,
BAD_VALUE = android::BAD_VALUE,
BAD_TYPE = android::BAD_TYPE,
NAME_NOT_FOUND = android::NAME_NOT_FOUND,
PERMISSION_DENIED = android::PERMISSION_DENIED,
NO_INIT = android::NO_INIT,
ALREADY_EXISTS = android::ALREADY_EXISTS,
DEAD_OBJECT = android::DEAD_OBJECT,
FAILED_TRANSACTION = android::FAILED_TRANSACTION,
BAD_INDEX = android::BAD_INDEX,
NOT_ENOUGH_DATA = android::NOT_ENOUGH_DATA,
WOULD_BLOCK = android::WOULD_BLOCK,
TIMED_OUT = android::TIMED_OUT,
UNKNOWN_TRANSACTION = android::UNKNOWN_TRANSACTION,
};
enum audio_source {
AUDIO_SOURCE_DEFAULT = 0,
AUDIO_SOURCE_MIC = 1,
AUDIO_SOURCE_VOICE_UPLINK = 2,
AUDIO_SOURCE_VOICE_DOWNLINK = 3,
AUDIO_SOURCE_VOICE_CALL = 4,
AUDIO_SOURCE_CAMCORDER = 5,
AUDIO_SOURCE_VOICE_RECOGNITION = 6,
AUDIO_SOURCE_VOICE_COMMUNICATION = 7,
AUDIO_SOURCE_MAX = AUDIO_SOURCE_VOICE_COMMUNICATION,
AUDIO_SOURCE_LIST_END // must be last - used to validate audio source type
};
class AudioSystem {
public:
#if 1
enum stream_type {
DEFAULT =-1,
VOICE_CALL = 0,
SYSTEM = 1,
RING = 2,
MUSIC = 3,
ALARM = 4,
NOTIFICATION = 5,
BLUETOOTH_SCO = 6,
ENFORCED_AUDIBLE = 7, // Sounds that cannot be muted by user and must be routed to speaker
DTMF = 8,
TTS = 9,
NUM_STREAM_TYPES
};
// Audio sub formats (see AudioSystem::audio_format).
enum pcm_sub_format {
PCM_SUB_16_BIT = 0x1, // must be 1 for backward compatibility
PCM_SUB_8_BIT = 0x2, // must be 2 for backward compatibility
};
enum audio_sessions {
SESSION_OUTPUT_STAGE = AUDIO_SESSION_OUTPUT_STAGE,
SESSION_OUTPUT_MIX = AUDIO_SESSION_OUTPUT_MIX,
};
// MP3 sub format field definition : can use 11 LSBs in the same way as MP3 frame header to specify
// bit rate, stereo mode, version...
enum mp3_sub_format {
//TODO
};
// AMR NB/WB sub format field definition: specify frame block interleaving, bandwidth efficient or octet aligned,
// encoding mode for recording...
enum amr_sub_format {
//TODO
};
// AAC sub format field definition: specify profile or bitrate for recording...
enum aac_sub_format {
//TODO
};
// VORBIS sub format field definition: specify quality for recording...
enum vorbis_sub_format {
//TODO
};
// Audio format consists in a main format field (upper 8 bits) and a sub format field (lower 24 bits).
// The main format indicates the main codec type. The sub format field indicates options and parameters
// for each format. The sub format is mainly used for record to indicate for instance the requested bitrate
// or profile. It can also be used for certain formats to give informations not present in the encoded
// audio stream (e.g. octet alignement for AMR).
enum audio_format {
INVALID_FORMAT = -1,
FORMAT_DEFAULT = 0,
PCM = 0x00000000, // must be 0 for backward compatibility
MP3 = 0x01000000,
AMR_NB = 0x02000000,
AMR_WB = 0x03000000,
AAC = 0x04000000,
HE_AAC_V1 = 0x05000000,
HE_AAC_V2 = 0x06000000,
VORBIS = 0x07000000,
MAIN_FORMAT_MASK = 0xFF000000,
SUB_FORMAT_MASK = 0x00FFFFFF,
// Aliases
PCM_16_BIT = (PCM|PCM_SUB_16_BIT),
PCM_8_BIT = (PCM|PCM_SUB_8_BIT)
};
enum audio_channels {
// output channels
CHANNEL_OUT_FRONT_LEFT = 0x1,
CHANNEL_OUT_FRONT_RIGHT = 0x2,
CHANNEL_OUT_FRONT_CENTER = 0x4,
CHANNEL_OUT_LOW_FREQUENCY = 0x8,
CHANNEL_OUT_BACK_LEFT = 0x10,
CHANNEL_OUT_BACK_RIGHT = 0x20,
CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x40,
CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x80,
CHANNEL_OUT_BACK_CENTER = 0x100,
CHANNEL_OUT_SIDE_LEFT = 0x200,
CHANNEL_OUT_SIDE_RIGHT = 0x400,
CHANNEL_OUT_TOP_CENTER = 0x800,
CHANNEL_OUT_TOP_FRONT_LEFT = 0x1000,
CHANNEL_OUT_TOP_FRONT_CENTER = 0x2000,
CHANNEL_OUT_TOP_FRONT_RIGHT = 0x4000,
CHANNEL_OUT_TOP_BACK_LEFT = 0x8000,
CHANNEL_OUT_TOP_BACK_CENTER = 0x10000,
CHANNEL_OUT_TOP_BACK_RIGHT = 0x20000,
CHANNEL_OUT_MONO = CHANNEL_OUT_FRONT_LEFT,
CHANNEL_OUT_STEREO = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT),
CHANNEL_OUT_QUAD = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT),
CHANNEL_OUT_SURROUND = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_CENTER),
CHANNEL_OUT_5POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY |
CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT),
// matches the correct AudioFormat.CHANNEL_OUT_7POINT1_SURROUND definition for 7.1
CHANNEL_OUT_7POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY |
CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT |
CHANNEL_OUT_SIDE_LEFT | CHANNEL_OUT_SIDE_RIGHT),
CHANNEL_OUT_ALL = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT |
CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | CHANNEL_OUT_BACK_LEFT |
CHANNEL_OUT_BACK_RIGHT | CHANNEL_OUT_FRONT_LEFT_OF_CENTER |
CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | CHANNEL_OUT_BACK_CENTER |
CHANNEL_OUT_SIDE_LEFT | CHANNEL_OUT_SIDE_RIGHT | CHANNEL_OUT_TOP_CENTER |
CHANNEL_OUT_TOP_FRONT_LEFT | CHANNEL_OUT_TOP_FRONT_CENTER |
CHANNEL_OUT_TOP_FRONT_RIGHT | CHANNEL_OUT_TOP_BACK_LEFT |
CHANNEL_OUT_TOP_BACK_CENTER | CHANNEL_OUT_TOP_BACK_RIGHT),
// input channels
CHANNEL_IN_LEFT = 0x4,
CHANNEL_IN_RIGHT = 0x8,
CHANNEL_IN_FRONT = 0x10,
CHANNEL_IN_BACK = 0x20,
CHANNEL_IN_LEFT_PROCESSED = 0x40,
CHANNEL_IN_RIGHT_PROCESSED = 0x80,
CHANNEL_IN_FRONT_PROCESSED = 0x100,
CHANNEL_IN_BACK_PROCESSED = 0x200,
CHANNEL_IN_PRESSURE = 0x400,
CHANNEL_IN_X_AXIS = 0x800,
CHANNEL_IN_Y_AXIS = 0x1000,
CHANNEL_IN_Z_AXIS = 0x2000,
CHANNEL_IN_VOICE_UPLINK = 0x4000,
CHANNEL_IN_VOICE_DNLINK = 0x8000,
CHANNEL_IN_MONO = CHANNEL_IN_FRONT,
CHANNEL_IN_STEREO = (CHANNEL_IN_LEFT | CHANNEL_IN_RIGHT),
CHANNEL_IN_ALL = (CHANNEL_IN_LEFT | CHANNEL_IN_RIGHT | CHANNEL_IN_FRONT | CHANNEL_IN_BACK|
CHANNEL_IN_LEFT_PROCESSED | CHANNEL_IN_RIGHT_PROCESSED | CHANNEL_IN_FRONT_PROCESSED | CHANNEL_IN_BACK_PROCESSED|
CHANNEL_IN_PRESSURE | CHANNEL_IN_X_AXIS | CHANNEL_IN_Y_AXIS | CHANNEL_IN_Z_AXIS |
CHANNEL_IN_VOICE_UPLINK | CHANNEL_IN_VOICE_DNLINK)
};
enum audio_mode {
MODE_INVALID = -2,
MODE_CURRENT = -1,
MODE_NORMAL = 0,
MODE_RINGTONE,
MODE_IN_CALL,
MODE_IN_COMMUNICATION,
NUM_MODES // not a valid entry, denotes end-of-list
};
enum audio_in_acoustics {
AGC_ENABLE = 0x0001,
AGC_DISABLE = 0,
NS_ENABLE = 0x0002,
NS_DISABLE = 0,
TX_IIR_ENABLE = 0x0004,
TX_DISABLE = 0
};
// DO NOT USE: the "audio_devices" enumeration below is obsolete, use type "audio_devices_t" and
// audio device enumeration from system/audio.h instead.
enum audio_devices {
// output devices
DEVICE_OUT_EARPIECE = 0x1,
DEVICE_OUT_SPEAKER = 0x2,
DEVICE_OUT_WIRED_HEADSET = 0x4,
DEVICE_OUT_WIRED_HEADPHONE = 0x8,
DEVICE_OUT_BLUETOOTH_SCO = 0x10,
DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20,
DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40,
DEVICE_OUT_BLUETOOTH_A2DP = 0x80,
DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100,
DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200,
DEVICE_OUT_AUX_DIGITAL = 0x400,
DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800,
DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000,
DEVICE_OUT_DEFAULT = 0x8000,
DEVICE_OUT_ALL = (DEVICE_OUT_EARPIECE | DEVICE_OUT_SPEAKER | DEVICE_OUT_WIRED_HEADSET |
DEVICE_OUT_WIRED_HEADPHONE | DEVICE_OUT_BLUETOOTH_SCO | DEVICE_OUT_BLUETOOTH_SCO_HEADSET |
DEVICE_OUT_BLUETOOTH_SCO_CARKIT | DEVICE_OUT_BLUETOOTH_A2DP | DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | DEVICE_OUT_AUX_DIGITAL |
DEVICE_OUT_ANLG_DOCK_HEADSET | DEVICE_OUT_DGTL_DOCK_HEADSET |
DEVICE_OUT_DEFAULT),
DEVICE_OUT_ALL_A2DP = (DEVICE_OUT_BLUETOOTH_A2DP | DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
// input devices
DEVICE_IN_COMMUNICATION = 0x10000,
DEVICE_IN_AMBIENT = 0x20000,
DEVICE_IN_BUILTIN_MIC = 0x40000,
DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x80000,
DEVICE_IN_WIRED_HEADSET = 0x100000,
DEVICE_IN_AUX_DIGITAL = 0x200000,
DEVICE_IN_VOICE_CALL = 0x400000,
DEVICE_IN_BACK_MIC = 0x800000,
DEVICE_IN_DEFAULT = 0x80000000,
DEVICE_IN_ALL = (DEVICE_IN_COMMUNICATION | DEVICE_IN_AMBIENT | DEVICE_IN_BUILTIN_MIC |
DEVICE_IN_BLUETOOTH_SCO_HEADSET | DEVICE_IN_WIRED_HEADSET | DEVICE_IN_AUX_DIGITAL |
DEVICE_IN_VOICE_CALL | DEVICE_IN_BACK_MIC | DEVICE_IN_DEFAULT)
};
// request to open a direct output with getOutput() (by opposition to sharing an output with other AudioTracks)
enum output_flags {
OUTPUT_FLAG_INDIRECT = 0x0,
OUTPUT_FLAG_DIRECT = 0x1
};
// device categories used for setForceUse()
enum forced_config {
FORCE_NONE,
FORCE_SPEAKER,
FORCE_HEADPHONES,
FORCE_BT_SCO,
FORCE_BT_A2DP,
FORCE_WIRED_ACCESSORY,
FORCE_BT_CAR_DOCK,
FORCE_BT_DESK_DOCK,
FORCE_ANALOG_DOCK,
FORCE_DIGITAL_DOCK,
FORCE_NO_BT_A2DP,
FORCE_SYSTEM_ENFORCED,
NUM_FORCE_CONFIG,
FORCE_DEFAULT = FORCE_NONE
};
// usages used for setForceUse()
enum force_use {
FOR_COMMUNICATION,
FOR_MEDIA,
FOR_RECORD,
FOR_DOCK,
FOR_SYSTEM,
NUM_FORCE_USE
};
//
// AudioPolicyService interface
//
// device connection states used for setDeviceConnectionState()
enum device_connection_state {
DEVICE_STATE_UNAVAILABLE,
DEVICE_STATE_AVAILABLE,
NUM_DEVICE_STATES
};
#endif
static uint32_t popCount(uint32_t u) {
return popcount(u);
}
#if 1
static bool isOutputDevice(audio_devices device) {
if ((popcount(device) == 1) && ((device & ~DEVICE_OUT_ALL) == 0))
return true;
else
return false;
}
static bool isInputDevice(audio_devices device) {
if ((popcount(device) == 1) && ((device & ~DEVICE_IN_ALL) == 0))
return true;
else
return false;
}
static bool isA2dpDevice(audio_devices device) {
return audio_is_a2dp_device((audio_devices_t)device);
}
static bool isBluetoothScoDevice(audio_devices device) {
return audio_is_bluetooth_sco_device((audio_devices_t)device);
}
static bool isLowVisibility(stream_type stream) {
return audio_is_low_visibility((audio_stream_type_t)stream);
}
static bool isValidFormat(uint32_t format) {
return audio_is_valid_format((audio_format_t) format);
}
static bool isLinearPCM(uint32_t format) {
return audio_is_linear_pcm((audio_format_t) format);
}
static bool isOutputChannel(uint32_t channel) {
return audio_is_output_channel(channel);
}
static bool isInputChannel(uint32_t channel) {
return audio_is_input_channel(channel);
}
#endif
};
}; // namespace android
#endif // ANDROID_AUDIOSYSTEM_LEGACY_H_