| /* |
| * 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_ |
