/* * Copyright (C) 2008 The Android Open Source Project * Copyright (c) 2011-2013, The Linux Foundation. All rights reserved. * * 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 #include #include #include 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, JPARKS_BROKE_IT = android::JPARKS_BROKE_IT, 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, #ifdef LEGACY_ALSA_AUDIO AUDIO_SOURCE_REMOTE_SUBMIX = 8, AUDIO_SOURCE_MAX = AUDIO_SOURCE_REMOTE_SUBMIX, #else AUDIO_SOURCE_MAX = AUDIO_SOURCE_VOICE_COMMUNICATION, #endif AUDIO_SOURCE_LIST_END // must be last - used to validate audio source type }; class AudioSystem { public: 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, #ifdef LEGACY_ALSA_AUDIO INCALL_MUSIC = 10, #endif 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, #ifdef LEGACY_ALSA_AUDIO DEVICE_OUT_USB_ACCESSORY = 0x2000, DEVICE_OUT_USB_DEVICE = 0x4000, DEVICE_OUT_FM = 0x10000, DEVICE_OUT_ANC_HEADSET = 0x20000, DEVICE_OUT_ANC_HEADPHONE = 0x40000, DEVICE_OUT_PROXY = 0x80000, DEVICE_OUT_DEFAULT = DEVICE_OUT_SPEAKER, #else DEVICE_OUT_DEFAULT = 0x8000, #endif 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 | #ifdef LEGACY_ALSA_AUDIO DEVICE_OUT_USB_ACCESSORY | DEVICE_OUT_USB_DEVICE | DEVICE_OUT_ANC_HEADSET | DEVICE_OUT_ANC_HEADPHONE | DEVICE_OUT_FM | DEVICE_OUT_PROXY | DEVICE_OUT_DEFAULT), #else DEVICE_OUT_DEFAULT), #endif DEVICE_OUT_ALL_A2DP = (DEVICE_OUT_BLUETOOTH_A2DP | DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), #ifdef LEGACY_ALSA_AUDIO DEVICE_OUT_ALL_USB = (DEVICE_OUT_USB_ACCESSORY | DEVICE_OUT_USB_DEVICE), #endif // input devices #ifdef LEGACY_ALSA_AUDIO DEVICE_IN_COMMUNICATION = 0x100000, DEVICE_IN_AMBIENT = 0x200000, DEVICE_IN_BUILTIN_MIC = 0x400000, DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x800000, DEVICE_IN_WIRED_HEADSET = 0x1000000, DEVICE_IN_AUX_DIGITAL = 0x2000000, DEVICE_IN_VOICE_CALL = 0x4000000, DEVICE_IN_BACK_MIC = 0x8000000, DEVICE_IN_ANC_HEADSET = 0x10000000, DEVICE_IN_FM_TUNER = 0x20000000, DEVICE_IN_DEFAULT = DEVICE_IN_BUILTIN_MIC, DEVICE_IN_ANLG_DOCK_HEADSET = 0x80000000, DEVICE_IN_PROXY = DEVICE_IN_ANLG_DOCK_HEADSET, #else 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, #endif 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 | #ifdef LEGACY_ALSA_AUDIO DEVICE_IN_VOICE_CALL | DEVICE_IN_BACK_MIC | DEVICE_IN_ANC_HEADSET | DEVICE_IN_FM_TUNER | DEVICE_IN_DEFAULT | DEVICE_IN_ANLG_DOCK_HEADSET | DEVICE_IN_PROXY) #else DEVICE_IN_VOICE_CALL | DEVICE_IN_BACK_MIC | DEVICE_IN_DEFAULT) #endif }; // 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 }; static uint32_t popCount(uint32_t u) { return popcount(u); } 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); } }; }; // namespace android #endif // ANDROID_AUDIOSYSTEM_LEGACY_H_