michael@0: /* michael@0: * Copyright (C) 2008 The Android Open Source Project michael@0: * michael@0: * Licensed under the Apache License, Version 2.0 (the "License"); michael@0: * you may not use this file except in compliance with the License. michael@0: * You may obtain a copy of the License at michael@0: * michael@0: * http://www.apache.org/licenses/LICENSE-2.0 michael@0: * michael@0: * Unless required by applicable law or agreed to in writing, software michael@0: * distributed under the License is distributed on an "AS IS" BASIS, michael@0: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. michael@0: * See the License for the specific language governing permissions and michael@0: * limitations under the License. michael@0: */ michael@0: michael@0: #ifndef ANDROID_AUDIOSYSTEM_H_ michael@0: #define ANDROID_AUDIOSYSTEM_H_ michael@0: michael@0: #include michael@0: #include michael@0: #include "IAudioFlinger.h" michael@0: michael@0: #ifndef VANILLA_ANDROID michael@0: /* request to open a direct output with get_output() (by opposition to michael@0: * sharing an output with other AudioTracks) michael@0: */ michael@0: typedef enum { michael@0: AUDIO_POLICY_OUTPUT_FLAG_INDIRECT = 0x0, michael@0: AUDIO_POLICY_OUTPUT_FLAG_DIRECT = 0x1 michael@0: } audio_policy_output_flags_t; michael@0: michael@0: /* device categories used for audio_policy->set_force_use() */ michael@0: typedef enum { michael@0: AUDIO_POLICY_FORCE_NONE, michael@0: AUDIO_POLICY_FORCE_SPEAKER, michael@0: AUDIO_POLICY_FORCE_HEADPHONES, michael@0: AUDIO_POLICY_FORCE_BT_SCO, michael@0: AUDIO_POLICY_FORCE_BT_A2DP, michael@0: AUDIO_POLICY_FORCE_WIRED_ACCESSORY, michael@0: AUDIO_POLICY_FORCE_BT_CAR_DOCK, michael@0: AUDIO_POLICY_FORCE_BT_DESK_DOCK, michael@0: michael@0: #ifdef VANILLA_ANDROID michael@0: AUDIO_POLICY_FORCE_ANALOG_DOCK, michael@0: AUDIO_POLICY_FORCE_DIGITAL_DOCK, michael@0: #endif michael@0: michael@0: AUDIO_POLICY_FORCE_CFG_CNT, michael@0: AUDIO_POLICY_FORCE_CFG_MAX = AUDIO_POLICY_FORCE_CFG_CNT - 1, michael@0: michael@0: AUDIO_POLICY_FORCE_DEFAULT = AUDIO_POLICY_FORCE_NONE, michael@0: } audio_policy_forced_cfg_t; michael@0: michael@0: /* usages used for audio_policy->set_force_use() */ michael@0: typedef enum { michael@0: AUDIO_POLICY_FORCE_FOR_COMMUNICATION, michael@0: AUDIO_POLICY_FORCE_FOR_MEDIA, michael@0: AUDIO_POLICY_FORCE_FOR_RECORD, michael@0: AUDIO_POLICY_FORCE_FOR_DOCK, michael@0: michael@0: AUDIO_POLICY_FORCE_USE_CNT, michael@0: AUDIO_POLICY_FORCE_USE_MAX = AUDIO_POLICY_FORCE_USE_CNT - 1, michael@0: } audio_policy_force_use_t; michael@0: michael@0: typedef enum { michael@0: AUDIO_STREAM_DEFAULT = -1, michael@0: AUDIO_STREAM_VOICE_CALL = 0, michael@0: AUDIO_STREAM_SYSTEM = 1, michael@0: AUDIO_STREAM_RING = 2, michael@0: AUDIO_STREAM_MUSIC = 3, michael@0: AUDIO_STREAM_ALARM = 4, michael@0: AUDIO_STREAM_NOTIFICATION = 5, michael@0: AUDIO_STREAM_BLUETOOTH_SCO = 6, michael@0: AUDIO_STREAM_ENFORCED_AUDIBLE = 7, /* Sounds that cannot be muted by user and must be routed to speaker */ michael@0: AUDIO_STREAM_DTMF = 8, michael@0: AUDIO_STREAM_TTS = 9, michael@0: AUDIO_STREAM_FM = 10, michael@0: michael@0: AUDIO_STREAM_CNT, michael@0: AUDIO_STREAM_MAX = AUDIO_STREAM_CNT - 1, michael@0: } audio_stream_type_t; michael@0: michael@0: /* PCM sub formats */ michael@0: typedef enum { michael@0: AUDIO_FORMAT_PCM_SUB_16_BIT = 0x1, /* DO NOT CHANGE - PCM signed 16 bits */ michael@0: AUDIO_FORMAT_PCM_SUB_8_BIT = 0x2, /* DO NOT CHANGE - PCM unsigned 8 bits */ michael@0: AUDIO_FORMAT_PCM_SUB_32_BIT = 0x3, /* PCM signed .31 fixed point */ michael@0: AUDIO_FORMAT_PCM_SUB_8_24_BIT = 0x4, /* PCM signed 7.24 fixed point */ michael@0: } audio_format_pcm_sub_fmt_t; michael@0: michael@0: /* Audio format consists in a main format field (upper 8 bits) and a sub format michael@0: * field (lower 24 bits). michael@0: * michael@0: * The main format indicates the main codec type. The sub format field michael@0: * indicates options and parameters for each format. The sub format is mainly michael@0: * used for record to indicate for instance the requested bitrate or profile. michael@0: * It can also be used for certain formats to give informations not present in michael@0: * the encoded audio stream (e.g. octet alignement for AMR). michael@0: */ michael@0: typedef enum { michael@0: AUDIO_FORMAT_INVALID = 0xFFFFFFFFUL, michael@0: AUDIO_FORMAT_DEFAULT = 0, michael@0: AUDIO_FORMAT_PCM = 0x00000000UL, /* DO NOT CHANGE */ michael@0: AUDIO_FORMAT_MP3 = 0x01000000UL, michael@0: AUDIO_FORMAT_AMR_NB = 0x02000000UL, michael@0: AUDIO_FORMAT_AMR_WB = 0x03000000UL, michael@0: AUDIO_FORMAT_AAC = 0x04000000UL, michael@0: AUDIO_FORMAT_HE_AAC_V1 = 0x05000000UL, michael@0: AUDIO_FORMAT_HE_AAC_V2 = 0x06000000UL, michael@0: AUDIO_FORMAT_VORBIS = 0x07000000UL, michael@0: AUDIO_FORMAT_MAIN_MASK = 0xFF000000UL, michael@0: AUDIO_FORMAT_SUB_MASK = 0x00FFFFFFUL, michael@0: michael@0: /* Aliases */ michael@0: AUDIO_FORMAT_PCM_16_BIT = (AUDIO_FORMAT_PCM | michael@0: AUDIO_FORMAT_PCM_SUB_16_BIT), michael@0: AUDIO_FORMAT_PCM_8_BIT = (AUDIO_FORMAT_PCM | michael@0: AUDIO_FORMAT_PCM_SUB_8_BIT), michael@0: AUDIO_FORMAT_PCM_32_BIT = (AUDIO_FORMAT_PCM | michael@0: AUDIO_FORMAT_PCM_SUB_32_BIT), michael@0: AUDIO_FORMAT_PCM_8_24_BIT = (AUDIO_FORMAT_PCM | michael@0: AUDIO_FORMAT_PCM_SUB_8_24_BIT), michael@0: } audio_format_t; michael@0: michael@0: typedef enum { michael@0: /* output channels */ michael@0: AUDIO_CHANNEL_OUT_FRONT_LEFT = 0x1, michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT = 0x2, michael@0: AUDIO_CHANNEL_OUT_FRONT_CENTER = 0x4, michael@0: AUDIO_CHANNEL_OUT_LOW_FREQUENCY = 0x8, michael@0: AUDIO_CHANNEL_OUT_BACK_LEFT = 0x10, michael@0: AUDIO_CHANNEL_OUT_BACK_RIGHT = 0x20, michael@0: AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x40, michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x80, michael@0: AUDIO_CHANNEL_OUT_BACK_CENTER = 0x100, michael@0: AUDIO_CHANNEL_OUT_SIDE_LEFT = 0x200, michael@0: AUDIO_CHANNEL_OUT_SIDE_RIGHT = 0x400, michael@0: AUDIO_CHANNEL_OUT_TOP_CENTER = 0x800, michael@0: AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT = 0x1000, michael@0: AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER = 0x2000, michael@0: AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT = 0x4000, michael@0: AUDIO_CHANNEL_OUT_TOP_BACK_LEFT = 0x8000, michael@0: AUDIO_CHANNEL_OUT_TOP_BACK_CENTER = 0x10000, michael@0: AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT = 0x20000, michael@0: michael@0: AUDIO_CHANNEL_OUT_MONO = AUDIO_CHANNEL_OUT_FRONT_LEFT, michael@0: AUDIO_CHANNEL_OUT_STEREO = (AUDIO_CHANNEL_OUT_FRONT_LEFT | michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT), michael@0: AUDIO_CHANNEL_OUT_QUAD = (AUDIO_CHANNEL_OUT_FRONT_LEFT | michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT | michael@0: AUDIO_CHANNEL_OUT_BACK_LEFT | michael@0: AUDIO_CHANNEL_OUT_BACK_RIGHT), michael@0: AUDIO_CHANNEL_OUT_SURROUND = (AUDIO_CHANNEL_OUT_FRONT_LEFT | michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT | michael@0: AUDIO_CHANNEL_OUT_FRONT_CENTER | michael@0: AUDIO_CHANNEL_OUT_BACK_CENTER), michael@0: AUDIO_CHANNEL_OUT_5POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT | michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT | michael@0: AUDIO_CHANNEL_OUT_FRONT_CENTER | michael@0: AUDIO_CHANNEL_OUT_LOW_FREQUENCY | michael@0: AUDIO_CHANNEL_OUT_BACK_LEFT | michael@0: AUDIO_CHANNEL_OUT_BACK_RIGHT), michael@0: // matches the correct AudioFormat.CHANNEL_OUT_7POINT1_SURROUND definition for 7.1 michael@0: AUDIO_CHANNEL_OUT_7POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT | michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT | michael@0: AUDIO_CHANNEL_OUT_FRONT_CENTER | michael@0: AUDIO_CHANNEL_OUT_LOW_FREQUENCY | michael@0: AUDIO_CHANNEL_OUT_BACK_LEFT | michael@0: AUDIO_CHANNEL_OUT_BACK_RIGHT | michael@0: AUDIO_CHANNEL_OUT_SIDE_LEFT | michael@0: AUDIO_CHANNEL_OUT_SIDE_RIGHT), michael@0: AUDIO_CHANNEL_OUT_ALL = (AUDIO_CHANNEL_OUT_FRONT_LEFT | michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT | michael@0: AUDIO_CHANNEL_OUT_FRONT_CENTER | michael@0: AUDIO_CHANNEL_OUT_LOW_FREQUENCY | michael@0: AUDIO_CHANNEL_OUT_BACK_LEFT | michael@0: AUDIO_CHANNEL_OUT_BACK_RIGHT | michael@0: AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER | michael@0: AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | michael@0: AUDIO_CHANNEL_OUT_BACK_CENTER| michael@0: AUDIO_CHANNEL_OUT_SIDE_LEFT| michael@0: AUDIO_CHANNEL_OUT_SIDE_RIGHT| michael@0: AUDIO_CHANNEL_OUT_TOP_CENTER| michael@0: AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT| michael@0: AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER| michael@0: AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT| michael@0: AUDIO_CHANNEL_OUT_TOP_BACK_LEFT| michael@0: AUDIO_CHANNEL_OUT_TOP_BACK_CENTER| michael@0: AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT), michael@0: michael@0: /* input channels */ michael@0: AUDIO_CHANNEL_IN_LEFT = 0x4, michael@0: AUDIO_CHANNEL_IN_RIGHT = 0x8, michael@0: AUDIO_CHANNEL_IN_FRONT = 0x10, michael@0: AUDIO_CHANNEL_IN_BACK = 0x20, michael@0: AUDIO_CHANNEL_IN_LEFT_PROCESSED = 0x40, michael@0: AUDIO_CHANNEL_IN_RIGHT_PROCESSED = 0x80, michael@0: AUDIO_CHANNEL_IN_FRONT_PROCESSED = 0x100, michael@0: AUDIO_CHANNEL_IN_BACK_PROCESSED = 0x200, michael@0: AUDIO_CHANNEL_IN_PRESSURE = 0x400, michael@0: AUDIO_CHANNEL_IN_X_AXIS = 0x800, michael@0: AUDIO_CHANNEL_IN_Y_AXIS = 0x1000, michael@0: AUDIO_CHANNEL_IN_Z_AXIS = 0x2000, michael@0: AUDIO_CHANNEL_IN_VOICE_UPLINK = 0x4000, michael@0: AUDIO_CHANNEL_IN_VOICE_DNLINK = 0x8000, michael@0: michael@0: AUDIO_CHANNEL_IN_MONO = AUDIO_CHANNEL_IN_FRONT, michael@0: AUDIO_CHANNEL_IN_STEREO = (AUDIO_CHANNEL_IN_LEFT | AUDIO_CHANNEL_IN_RIGHT), michael@0: AUDIO_CHANNEL_IN_ALL = (AUDIO_CHANNEL_IN_LEFT | michael@0: AUDIO_CHANNEL_IN_RIGHT | michael@0: AUDIO_CHANNEL_IN_FRONT | michael@0: AUDIO_CHANNEL_IN_BACK| michael@0: AUDIO_CHANNEL_IN_LEFT_PROCESSED | michael@0: AUDIO_CHANNEL_IN_RIGHT_PROCESSED | michael@0: AUDIO_CHANNEL_IN_FRONT_PROCESSED | michael@0: AUDIO_CHANNEL_IN_BACK_PROCESSED| michael@0: AUDIO_CHANNEL_IN_PRESSURE | michael@0: AUDIO_CHANNEL_IN_X_AXIS | michael@0: AUDIO_CHANNEL_IN_Y_AXIS | michael@0: AUDIO_CHANNEL_IN_Z_AXIS | michael@0: AUDIO_CHANNEL_IN_VOICE_UPLINK | michael@0: AUDIO_CHANNEL_IN_VOICE_DNLINK), michael@0: } audio_channels_t; michael@0: michael@0: #if ANDROID_VERSION >= 17 michael@0: typedef enum { michael@0: AUDIO_MODE_INVALID = -2, michael@0: AUDIO_MODE_CURRENT = -1, michael@0: AUDIO_MODE_NORMAL = 0, michael@0: AUDIO_MODE_RINGTONE = 1, michael@0: AUDIO_MODE_IN_CALL = 2, michael@0: AUDIO_MODE_IN_COMMUNICATION = 3, michael@0: michael@0: AUDIO_MODE_CNT, michael@0: AUDIO_MODE_MAX = AUDIO_MODE_CNT - 1, michael@0: } audio_mode_t; michael@0: #endif michael@0: #endif michael@0: michael@0: #if ANDROID_VERSION < 17 michael@0: typedef enum { michael@0: /* output devices */ michael@0: AUDIO_DEVICE_OUT_EARPIECE = 0x1, michael@0: AUDIO_DEVICE_OUT_SPEAKER = 0x2, michael@0: AUDIO_DEVICE_OUT_WIRED_HEADSET = 0x4, michael@0: AUDIO_DEVICE_OUT_WIRED_HEADPHONE = 0x8, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO = 0x10, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP = 0x80, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200, michael@0: AUDIO_DEVICE_OUT_AUX_DIGITAL = 0x400, michael@0: AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800, michael@0: AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000, michael@0: AUDIO_DEVICE_OUT_FM = 0x2000, michael@0: AUDIO_DEVICE_OUT_ANC_HEADSET = 0x4000, michael@0: AUDIO_DEVICE_OUT_ANC_HEADPHONE = 0x8000, michael@0: AUDIO_DEVICE_OUT_FM_TX = 0x10000, michael@0: AUDIO_DEVICE_OUT_DIRECTOUTPUT = 0x20000, michael@0: AUDIO_DEVICE_OUT_PROXY = 0x40000, michael@0: AUDIO_DEVICE_OUT_DEFAULT = 0x80000, michael@0: AUDIO_DEVICE_OUT_ALL = (AUDIO_DEVICE_OUT_EARPIECE | michael@0: AUDIO_DEVICE_OUT_SPEAKER | michael@0: AUDIO_DEVICE_OUT_WIRED_HEADSET | michael@0: AUDIO_DEVICE_OUT_WIRED_HEADPHONE | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | michael@0: AUDIO_DEVICE_OUT_AUX_DIGITAL | michael@0: AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET | michael@0: AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET | michael@0: AUDIO_DEVICE_OUT_FM | michael@0: AUDIO_DEVICE_OUT_ANC_HEADSET | michael@0: AUDIO_DEVICE_OUT_ANC_HEADPHONE | michael@0: AUDIO_DEVICE_OUT_FM_TX | michael@0: AUDIO_DEVICE_OUT_DIRECTOUTPUT | michael@0: AUDIO_DEVICE_OUT_PROXY | michael@0: AUDIO_DEVICE_OUT_DEFAULT), michael@0: AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), michael@0: AUDIO_DEVICE_OUT_ALL_SCO = (AUDIO_DEVICE_OUT_BLUETOOTH_SCO | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT), michael@0: /* input devices */ michael@0: AUDIO_DEVICE_IN_COMMUNICATION = 0x100000, michael@0: AUDIO_DEVICE_IN_AMBIENT = 0x200000, michael@0: AUDIO_DEVICE_IN_BUILTIN_MIC = 0x400000, michael@0: AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x800000, michael@0: AUDIO_DEVICE_IN_WIRED_HEADSET = 0x1000000, michael@0: AUDIO_DEVICE_IN_AUX_DIGITAL = 0x2000000, michael@0: AUDIO_DEVICE_IN_VOICE_CALL = 0x4000000, michael@0: AUDIO_DEVICE_IN_BACK_MIC = 0x8000000, michael@0: AUDIO_DEVICE_IN_ANC_HEADSET = 0x10000000, michael@0: AUDIO_DEVICE_IN_FM_RX = 0x20000000, michael@0: AUDIO_DEVICE_IN_FM_RX_A2DP = 0x40000000, michael@0: AUDIO_DEVICE_IN_DEFAULT = 0x80000000, michael@0: michael@0: AUDIO_DEVICE_IN_ALL = (AUDIO_DEVICE_IN_COMMUNICATION | michael@0: AUDIO_DEVICE_IN_AMBIENT | michael@0: AUDIO_DEVICE_IN_BUILTIN_MIC | michael@0: AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET | michael@0: AUDIO_DEVICE_IN_WIRED_HEADSET | michael@0: AUDIO_DEVICE_IN_AUX_DIGITAL | michael@0: AUDIO_DEVICE_IN_VOICE_CALL | michael@0: AUDIO_DEVICE_IN_BACK_MIC | michael@0: AUDIO_DEVICE_IN_ANC_HEADSET | michael@0: AUDIO_DEVICE_IN_FM_RX | michael@0: AUDIO_DEVICE_IN_FM_RX_A2DP | michael@0: AUDIO_DEVICE_IN_DEFAULT), michael@0: AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, michael@0: } audio_devices_t; michael@0: #else michael@0: enum { michael@0: AUDIO_DEVICE_NONE = 0x0, michael@0: /* reserved bits */ michael@0: AUDIO_DEVICE_BIT_IN = 0x80000000, michael@0: AUDIO_DEVICE_BIT_DEFAULT = 0x40000000, michael@0: /* output devices */ michael@0: AUDIO_DEVICE_OUT_EARPIECE = 0x1, michael@0: AUDIO_DEVICE_OUT_SPEAKER = 0x2, michael@0: AUDIO_DEVICE_OUT_WIRED_HEADSET = 0x4, michael@0: AUDIO_DEVICE_OUT_WIRED_HEADPHONE = 0x8, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO = 0x10, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP = 0x80, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100, michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200, michael@0: AUDIO_DEVICE_OUT_AUX_DIGITAL = 0x400, michael@0: AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800, michael@0: AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000, michael@0: AUDIO_DEVICE_OUT_USB_ACCESSORY = 0x2000, michael@0: AUDIO_DEVICE_OUT_USB_DEVICE = 0x4000, michael@0: AUDIO_DEVICE_OUT_REMOTE_SUBMIX = 0x8000, michael@0: AUDIO_DEVICE_OUT_ANC_HEADSET = 0x10000, michael@0: AUDIO_DEVICE_OUT_ANC_HEADPHONE = 0x20000, michael@0: AUDIO_DEVICE_OUT_PROXY = 0x40000, michael@0: AUDIO_DEVICE_OUT_FM = 0x80000, michael@0: AUDIO_DEVICE_OUT_FM_TX = 0x100000, michael@0: AUDIO_DEVICE_OUT_DEFAULT = AUDIO_DEVICE_BIT_DEFAULT, michael@0: AUDIO_DEVICE_OUT_ALL = (AUDIO_DEVICE_OUT_EARPIECE | michael@0: AUDIO_DEVICE_OUT_SPEAKER | michael@0: AUDIO_DEVICE_OUT_WIRED_HEADSET | michael@0: AUDIO_DEVICE_OUT_WIRED_HEADPHONE | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | michael@0: AUDIO_DEVICE_OUT_AUX_DIGITAL | michael@0: AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET | michael@0: AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET | michael@0: AUDIO_DEVICE_OUT_USB_ACCESSORY | michael@0: AUDIO_DEVICE_OUT_USB_DEVICE | michael@0: AUDIO_DEVICE_OUT_REMOTE_SUBMIX | michael@0: AUDIO_DEVICE_OUT_ANC_HEADSET | michael@0: AUDIO_DEVICE_OUT_ANC_HEADPHONE | michael@0: AUDIO_DEVICE_OUT_PROXY | michael@0: AUDIO_DEVICE_OUT_FM | michael@0: AUDIO_DEVICE_OUT_FM_TX | michael@0: AUDIO_DEVICE_OUT_DEFAULT), michael@0: AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), michael@0: AUDIO_DEVICE_OUT_ALL_SCO = (AUDIO_DEVICE_OUT_BLUETOOTH_SCO | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | michael@0: AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT), michael@0: AUDIO_DEVICE_OUT_ALL_USB = (AUDIO_DEVICE_OUT_USB_ACCESSORY | michael@0: AUDIO_DEVICE_OUT_USB_DEVICE), michael@0: michael@0: /* input devices */ michael@0: AUDIO_DEVICE_IN_COMMUNICATION = AUDIO_DEVICE_BIT_IN | 0x1, michael@0: AUDIO_DEVICE_IN_AMBIENT = AUDIO_DEVICE_BIT_IN | 0x2, michael@0: AUDIO_DEVICE_IN_BUILTIN_MIC = AUDIO_DEVICE_BIT_IN | 0x4, michael@0: AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = AUDIO_DEVICE_BIT_IN | 0x8, michael@0: AUDIO_DEVICE_IN_WIRED_HEADSET = AUDIO_DEVICE_BIT_IN | 0x10, michael@0: AUDIO_DEVICE_IN_AUX_DIGITAL = AUDIO_DEVICE_BIT_IN | 0x20, michael@0: AUDIO_DEVICE_IN_VOICE_CALL = AUDIO_DEVICE_BIT_IN | 0x40, michael@0: AUDIO_DEVICE_IN_BACK_MIC = AUDIO_DEVICE_BIT_IN | 0x80, michael@0: AUDIO_DEVICE_IN_REMOTE_SUBMIX = AUDIO_DEVICE_BIT_IN | 0x100, michael@0: AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x200, michael@0: AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x400, michael@0: AUDIO_DEVICE_IN_USB_ACCESSORY = AUDIO_DEVICE_BIT_IN | 0x800, michael@0: AUDIO_DEVICE_IN_USB_DEVICE = AUDIO_DEVICE_BIT_IN | 0x1000, michael@0: AUDIO_DEVICE_IN_ANC_HEADSET = AUDIO_DEVICE_BIT_IN | 0x2000, michael@0: AUDIO_DEVICE_IN_PROXY = AUDIO_DEVICE_BIT_IN | 0x4000, michael@0: AUDIO_DEVICE_IN_FM_RX = AUDIO_DEVICE_BIT_IN | 0x8000, michael@0: AUDIO_DEVICE_IN_FM_RX_A2DP = AUDIO_DEVICE_BIT_IN | 0x10000, michael@0: AUDIO_DEVICE_IN_DEFAULT = AUDIO_DEVICE_BIT_IN | AUDIO_DEVICE_BIT_DEFAULT, michael@0: michael@0: AUDIO_DEVICE_IN_ALL = (AUDIO_DEVICE_IN_COMMUNICATION | michael@0: AUDIO_DEVICE_IN_AMBIENT | michael@0: AUDIO_DEVICE_IN_BUILTIN_MIC | michael@0: AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET | michael@0: AUDIO_DEVICE_IN_WIRED_HEADSET | michael@0: AUDIO_DEVICE_IN_AUX_DIGITAL | michael@0: AUDIO_DEVICE_IN_VOICE_CALL | michael@0: AUDIO_DEVICE_IN_BACK_MIC | michael@0: AUDIO_DEVICE_IN_REMOTE_SUBMIX | michael@0: AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET | michael@0: AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET | michael@0: AUDIO_DEVICE_IN_USB_ACCESSORY | michael@0: AUDIO_DEVICE_IN_USB_DEVICE | michael@0: AUDIO_DEVICE_IN_ANC_HEADSET | michael@0: AUDIO_DEVICE_IN_FM_RX | michael@0: AUDIO_DEVICE_IN_FM_RX_A2DP | michael@0: AUDIO_DEVICE_IN_PROXY | michael@0: AUDIO_DEVICE_IN_DEFAULT), michael@0: AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, michael@0: }; michael@0: michael@0: typedef uint32_t audio_devices_t; michael@0: #endif michael@0: michael@0: /* device connection states used for audio_policy->set_device_connection_state() michael@0: * */ michael@0: typedef enum { michael@0: AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE, michael@0: AUDIO_POLICY_DEVICE_STATE_AVAILABLE, michael@0: michael@0: AUDIO_POLICY_DEVICE_STATE_CNT, michael@0: AUDIO_POLICY_DEVICE_STATE_MAX = AUDIO_POLICY_DEVICE_STATE_CNT - 1, michael@0: } audio_policy_dev_state_t; michael@0: michael@0: namespace android { michael@0: michael@0: typedef void (*audio_error_callback)(status_t err); michael@0: typedef int audio_io_handle_t; michael@0: michael@0: class IAudioPolicyService; michael@0: class String8; michael@0: michael@0: class AudioSystem michael@0: { michael@0: public: michael@0: michael@0: enum stream_type { michael@0: DEFAULT =-1, michael@0: VOICE_CALL = 0, michael@0: SYSTEM = 1, michael@0: RING = 2, michael@0: MUSIC = 3, michael@0: ALARM = 4, michael@0: NOTIFICATION = 5, michael@0: BLUETOOTH_SCO = 6, michael@0: ENFORCED_AUDIBLE = 7, // Sounds that cannot be muted by user and must be routed to speaker michael@0: DTMF = 8, michael@0: TTS = 9, michael@0: FM = 10, michael@0: NUM_STREAM_TYPES michael@0: }; michael@0: michael@0: // Audio sub formats (see AudioSystem::audio_format). michael@0: enum pcm_sub_format { michael@0: PCM_SUB_16_BIT = 0x1, // must be 1 for backward compatibility michael@0: PCM_SUB_8_BIT = 0x2, // must be 2 for backward compatibility michael@0: }; michael@0: michael@0: // MP3 sub format field definition : can use 11 LSBs in the same way as MP3 frame header to specify michael@0: // bit rate, stereo mode, version... michael@0: enum mp3_sub_format { michael@0: //TODO michael@0: }; michael@0: michael@0: // AMR NB/WB sub format field definition: specify frame block interleaving, bandwidth efficient or octet aligned, michael@0: // encoding mode for recording... michael@0: enum amr_sub_format { michael@0: //TODO michael@0: }; michael@0: michael@0: // AAC sub format field definition: specify profile or bitrate for recording... michael@0: enum aac_sub_format { michael@0: //TODO michael@0: }; michael@0: michael@0: // VORBIS sub format field definition: specify quality for recording... michael@0: enum vorbis_sub_format { michael@0: //TODO michael@0: }; michael@0: michael@0: // Audio format consists in a main format field (upper 8 bits) and a sub format field (lower 24 bits). michael@0: // The main format indicates the main codec type. The sub format field indicates options and parameters michael@0: // for each format. The sub format is mainly used for record to indicate for instance the requested bitrate michael@0: // or profile. It can also be used for certain formats to give informations not present in the encoded michael@0: // audio stream (e.g. octet alignement for AMR). michael@0: enum audio_format { michael@0: INVALID_FORMAT = -1, michael@0: FORMAT_DEFAULT = 0, michael@0: PCM = 0x00000000, // must be 0 for backward compatibility michael@0: MP3 = 0x01000000, michael@0: AMR_NB = 0x02000000, michael@0: AMR_WB = 0x03000000, michael@0: AAC = 0x04000000, michael@0: HE_AAC_V1 = 0x05000000, michael@0: HE_AAC_V2 = 0x06000000, michael@0: VORBIS = 0x07000000, michael@0: EVRC = 0x08000000, michael@0: QCELP = 0x09000000, michael@0: VOIP_PCM_INPUT = 0x0A000000, michael@0: MAIN_FORMAT_MASK = 0xFF000000, michael@0: SUB_FORMAT_MASK = 0x00FFFFFF, michael@0: // Aliases michael@0: PCM_16_BIT = (PCM|PCM_SUB_16_BIT), michael@0: PCM_8_BIT = (PCM|PCM_SUB_8_BIT) michael@0: }; michael@0: michael@0: michael@0: // Channel mask definitions must be kept in sync with JAVA values in /media/java/android/media/AudioFormat.java michael@0: enum audio_channels { michael@0: // output channels michael@0: CHANNEL_OUT_FRONT_LEFT = 0x4, michael@0: CHANNEL_OUT_FRONT_RIGHT = 0x8, michael@0: CHANNEL_OUT_FRONT_CENTER = 0x10, michael@0: CHANNEL_OUT_LOW_FREQUENCY = 0x20, michael@0: CHANNEL_OUT_BACK_LEFT = 0x40, michael@0: CHANNEL_OUT_BACK_RIGHT = 0x80, michael@0: CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x100, michael@0: CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x200, michael@0: CHANNEL_OUT_BACK_CENTER = 0x400, michael@0: CHANNEL_OUT_MONO = CHANNEL_OUT_FRONT_LEFT, michael@0: CHANNEL_OUT_STEREO = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT), michael@0: CHANNEL_OUT_QUAD = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | michael@0: CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT), michael@0: CHANNEL_OUT_SURROUND = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | michael@0: CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_BACK_CENTER), michael@0: CHANNEL_OUT_5POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | michael@0: CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT), michael@0: CHANNEL_OUT_7POINT1 = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | michael@0: CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT | michael@0: CHANNEL_OUT_FRONT_LEFT_OF_CENTER | CHANNEL_OUT_FRONT_RIGHT_OF_CENTER), michael@0: CHANNEL_OUT_ALL = (CHANNEL_OUT_FRONT_LEFT | CHANNEL_OUT_FRONT_RIGHT | michael@0: CHANNEL_OUT_FRONT_CENTER | CHANNEL_OUT_LOW_FREQUENCY | CHANNEL_OUT_BACK_LEFT | CHANNEL_OUT_BACK_RIGHT | michael@0: CHANNEL_OUT_FRONT_LEFT_OF_CENTER | CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | CHANNEL_OUT_BACK_CENTER), michael@0: michael@0: // input channels michael@0: CHANNEL_IN_LEFT = 0x4, michael@0: CHANNEL_IN_RIGHT = 0x8, michael@0: CHANNEL_IN_FRONT = 0x10, michael@0: CHANNEL_IN_BACK = 0x20, michael@0: CHANNEL_IN_LEFT_PROCESSED = 0x40, michael@0: CHANNEL_IN_RIGHT_PROCESSED = 0x80, michael@0: CHANNEL_IN_FRONT_PROCESSED = 0x100, michael@0: CHANNEL_IN_BACK_PROCESSED = 0x200, michael@0: CHANNEL_IN_PRESSURE = 0x400, michael@0: CHANNEL_IN_X_AXIS = 0x800, michael@0: CHANNEL_IN_Y_AXIS = 0x1000, michael@0: CHANNEL_IN_Z_AXIS = 0x2000, michael@0: CHANNEL_IN_VOICE_UPLINK = 0x4000, michael@0: CHANNEL_IN_VOICE_DNLINK = 0x8000, michael@0: CHANNEL_IN_MONO = CHANNEL_IN_FRONT, michael@0: CHANNEL_IN_STEREO = (CHANNEL_IN_LEFT | CHANNEL_IN_RIGHT), michael@0: CHANNEL_IN_ALL = (CHANNEL_IN_LEFT | CHANNEL_IN_RIGHT | CHANNEL_IN_FRONT | CHANNEL_IN_BACK| michael@0: CHANNEL_IN_LEFT_PROCESSED | CHANNEL_IN_RIGHT_PROCESSED | CHANNEL_IN_FRONT_PROCESSED | CHANNEL_IN_BACK_PROCESSED| michael@0: CHANNEL_IN_PRESSURE | CHANNEL_IN_X_AXIS | CHANNEL_IN_Y_AXIS | CHANNEL_IN_Z_AXIS | michael@0: CHANNEL_IN_VOICE_UPLINK | CHANNEL_IN_VOICE_DNLINK) michael@0: }; michael@0: michael@0: enum audio_mode { michael@0: MODE_INVALID = -2, michael@0: MODE_CURRENT = -1, michael@0: MODE_NORMAL = 0, michael@0: MODE_RINGTONE, michael@0: MODE_IN_CALL, michael@0: MODE_IN_COMMUNICATION, michael@0: NUM_MODES // not a valid entry, denotes end-of-list michael@0: }; michael@0: michael@0: enum audio_in_acoustics { michael@0: AGC_ENABLE = 0x0001, michael@0: AGC_DISABLE = 0, michael@0: NS_ENABLE = 0x0002, michael@0: NS_DISABLE = 0, michael@0: TX_IIR_ENABLE = 0x0004, michael@0: TX_DISABLE = 0 michael@0: }; michael@0: michael@0: // special audio session values michael@0: enum audio_sessions { michael@0: SESSION_OUTPUT_STAGE = -1, // session for effects attached to a particular output stream michael@0: // (value must be less than 0) michael@0: SESSION_OUTPUT_MIX = 0, // session for effects applied to output mix. These effects can michael@0: // be moved by audio policy manager to another output stream michael@0: // (value must be 0) michael@0: }; michael@0: michael@0: /* These are static methods to control the system-wide AudioFlinger michael@0: * only privileged processes can have access to them michael@0: */ michael@0: michael@0: // mute/unmute microphone michael@0: static status_t muteMicrophone(bool state); michael@0: static status_t isMicrophoneMuted(bool *state); michael@0: michael@0: // set/get master volume michael@0: static status_t setMasterVolume(float value); michael@0: static status_t getMasterVolume(float* volume); michael@0: // mute/unmute audio outputs michael@0: static status_t setMasterMute(bool mute); michael@0: static status_t getMasterMute(bool* mute); michael@0: michael@0: // set/get stream volume on specified output michael@0: static status_t setStreamVolume(int stream, float value, int output); michael@0: static status_t getStreamVolume(int stream, float* volume, int output); michael@0: michael@0: // mute/unmute stream michael@0: static status_t setStreamMute(int stream, bool mute); michael@0: static status_t getStreamMute(int stream, bool* mute); michael@0: michael@0: // set audio mode in audio hardware (see AudioSystem::audio_mode) michael@0: static status_t setMode(int mode); michael@0: michael@0: // returns true in *state if tracks are active on the specified stream michael@0: static status_t isStreamActive(int stream, bool *state); michael@0: michael@0: // set/get audio hardware parameters. The function accepts a list of parameters michael@0: // key value pairs in the form: key1=value1;key2=value2;... michael@0: // Some keys are reserved for standard parameters (See AudioParameter class). michael@0: static status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs); michael@0: static String8 getParameters(audio_io_handle_t ioHandle, const String8& keys); michael@0: michael@0: static void setErrorCallback(audio_error_callback cb); michael@0: michael@0: // helper function to obtain AudioFlinger service handle michael@0: static const sp& get_audio_flinger(); michael@0: michael@0: static float linearToLog(int volume); michael@0: static int logToLinear(float volume); michael@0: michael@0: static status_t getOutputSamplingRate(int* samplingRate, int stream = DEFAULT); michael@0: static status_t getOutputFrameCount(int* frameCount, int stream = DEFAULT); michael@0: static status_t getOutputLatency(uint32_t* latency, int stream = DEFAULT); michael@0: michael@0: static bool routedToA2dpOutput(int streamType); michael@0: michael@0: static status_t getInputBufferSize(uint32_t sampleRate, int format, int channelCount, michael@0: size_t* buffSize); michael@0: michael@0: static status_t setVoiceVolume(float volume); michael@0: michael@0: // return the number of audio frames written by AudioFlinger to audio HAL and michael@0: // audio dsp to DAC since the output on which the specificed stream is playing michael@0: // has exited standby. michael@0: // returned status (from utils/Errors.h) can be: michael@0: // - NO_ERROR: successful operation, halFrames and dspFrames point to valid data michael@0: // - INVALID_OPERATION: Not supported on current hardware platform michael@0: // - BAD_VALUE: invalid parameter michael@0: // NOTE: this feature is not supported on all hardware platforms and it is michael@0: // necessary to check returned status before using the returned values. michael@0: static status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int stream = DEFAULT); michael@0: michael@0: static unsigned int getInputFramesLost(audio_io_handle_t ioHandle); michael@0: michael@0: static int newAudioSessionId(); michael@0: // michael@0: // AudioPolicyService interface michael@0: // michael@0: michael@0: enum audio_devices { michael@0: // output devices michael@0: DEVICE_OUT_EARPIECE = 0x1, michael@0: DEVICE_OUT_SPEAKER = 0x2, michael@0: DEVICE_OUT_WIRED_HEADSET = 0x4, michael@0: DEVICE_OUT_WIRED_HEADPHONE = 0x8, michael@0: DEVICE_OUT_BLUETOOTH_SCO = 0x10, michael@0: DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20, michael@0: DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40, michael@0: DEVICE_OUT_BLUETOOTH_A2DP = 0x80, michael@0: DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100, michael@0: DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200, michael@0: DEVICE_OUT_AUX_DIGITAL = 0x400, michael@0: DEVICE_OUT_DEFAULT = 0x8000, michael@0: DEVICE_OUT_ALL = (DEVICE_OUT_EARPIECE | DEVICE_OUT_SPEAKER | DEVICE_OUT_WIRED_HEADSET | michael@0: DEVICE_OUT_WIRED_HEADPHONE | DEVICE_OUT_BLUETOOTH_SCO | DEVICE_OUT_BLUETOOTH_SCO_HEADSET | michael@0: DEVICE_OUT_BLUETOOTH_SCO_CARKIT | DEVICE_OUT_BLUETOOTH_A2DP | DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | michael@0: DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | DEVICE_OUT_AUX_DIGITAL | DEVICE_OUT_DEFAULT), michael@0: DEVICE_OUT_ALL_A2DP = (DEVICE_OUT_BLUETOOTH_A2DP | DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | michael@0: DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), michael@0: michael@0: // input devices michael@0: DEVICE_IN_COMMUNICATION = 0x10000, michael@0: DEVICE_IN_AMBIENT = 0x20000, michael@0: DEVICE_IN_BUILTIN_MIC = 0x40000, michael@0: DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x80000, michael@0: DEVICE_IN_WIRED_HEADSET = 0x100000, michael@0: DEVICE_IN_AUX_DIGITAL = 0x200000, michael@0: DEVICE_IN_VOICE_CALL = 0x400000, michael@0: DEVICE_IN_BACK_MIC = 0x800000, michael@0: DEVICE_IN_DEFAULT = 0x80000000, michael@0: michael@0: DEVICE_IN_ALL = (DEVICE_IN_COMMUNICATION | DEVICE_IN_AMBIENT | DEVICE_IN_BUILTIN_MIC | michael@0: DEVICE_IN_BLUETOOTH_SCO_HEADSET | DEVICE_IN_WIRED_HEADSET | DEVICE_IN_AUX_DIGITAL | michael@0: DEVICE_IN_VOICE_CALL | DEVICE_IN_BACK_MIC | DEVICE_IN_DEFAULT) michael@0: }; michael@0: michael@0: // device connection states used for setDeviceConnectionState() michael@0: enum device_connection_state { michael@0: DEVICE_STATE_UNAVAILABLE, michael@0: DEVICE_STATE_AVAILABLE, michael@0: NUM_DEVICE_STATES michael@0: }; michael@0: michael@0: // request to open a direct output with getOutput() (by opposition to sharing an output with other AudioTracks) michael@0: enum output_flags { michael@0: OUTPUT_FLAG_INDIRECT = 0x0, michael@0: OUTPUT_FLAG_DIRECT = 0x1 michael@0: }; michael@0: michael@0: // device categories used for setForceUse() michael@0: enum forced_config { michael@0: FORCE_NONE, michael@0: FORCE_SPEAKER, michael@0: FORCE_HEADPHONES, michael@0: FORCE_BT_SCO, michael@0: FORCE_BT_A2DP, michael@0: FORCE_WIRED_ACCESSORY, michael@0: FORCE_BT_CAR_DOCK, michael@0: FORCE_BT_DESK_DOCK, michael@0: NUM_FORCE_CONFIG, michael@0: FORCE_DEFAULT = FORCE_NONE michael@0: }; michael@0: michael@0: // usages used for setForceUse() michael@0: enum force_use { michael@0: FOR_COMMUNICATION, michael@0: FOR_MEDIA, michael@0: FOR_RECORD, michael@0: FOR_DOCK, michael@0: NUM_FORCE_USE michael@0: }; michael@0: michael@0: // types of io configuration change events received with ioConfigChanged() michael@0: enum io_config_event { michael@0: OUTPUT_OPENED, michael@0: OUTPUT_CLOSED, michael@0: OUTPUT_CONFIG_CHANGED, michael@0: INPUT_OPENED, michael@0: INPUT_CLOSED, michael@0: INPUT_CONFIG_CHANGED, michael@0: STREAM_CONFIG_CHANGED, michael@0: NUM_CONFIG_EVENTS michael@0: }; michael@0: michael@0: // audio output descritor used to cache output configurations in client process to avoid frequent calls michael@0: // through IAudioFlinger michael@0: class OutputDescriptor { michael@0: public: michael@0: OutputDescriptor() michael@0: : samplingRate(0), format(0), channels(0), frameCount(0), latency(0) {} michael@0: michael@0: uint32_t samplingRate; michael@0: int32_t format; michael@0: int32_t channels; michael@0: size_t frameCount; michael@0: uint32_t latency; michael@0: }; michael@0: michael@0: // michael@0: // IAudioPolicyService interface (see AudioPolicyInterface for method descriptions) michael@0: // michael@0: static status_t setDeviceConnectionState(audio_devices device, device_connection_state state, const char *device_address); michael@0: static device_connection_state getDeviceConnectionState(audio_devices device, const char *device_address); michael@0: static status_t setPhoneState(int state); michael@0: #if ANDROID_VERSION >= 17 michael@0: static status_t setPhoneState(audio_mode_t state); michael@0: #endif michael@0: static status_t setRingerMode(uint32_t mode, uint32_t mask); michael@0: #ifdef VANILLA_ANDROID michael@0: static status_t setForceUse(force_use usage, forced_config config); michael@0: static forced_config getForceUse(force_use usage); michael@0: static audio_io_handle_t getOutput(stream_type stream, michael@0: uint32_t samplingRate = 0, michael@0: uint32_t format = FORMAT_DEFAULT, michael@0: uint32_t channels = CHANNEL_OUT_STEREO, michael@0: output_flags flags = OUTPUT_FLAG_INDIRECT); michael@0: static status_t setDeviceConnectionState(audio_devices_t device, audio_policy_dev_state_t state, const char *device_address); michael@0: static status_t setFmVolume(float volume); michael@0: static audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device, const char *device_address); michael@0: #else michael@0: static status_t setForceUse(force_use usage, forced_config config) __attribute__((weak)); michael@0: static forced_config getForceUse(force_use usage) __attribute__((weak)); michael@0: static audio_io_handle_t getOutput(stream_type stream, michael@0: uint32_t samplingRate = 0, michael@0: uint32_t format = FORMAT_DEFAULT, michael@0: uint32_t channels = CHANNEL_OUT_STEREO, michael@0: output_flags flags = OUTPUT_FLAG_INDIRECT) __attribute__((weak)); michael@0: michael@0: static status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) __attribute__((weak)); michael@0: static audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage) __attribute__((weak)); michael@0: static audio_io_handle_t getOutput(audio_stream_type_t stream, michael@0: uint32_t samplingRate = 0, michael@0: uint32_t format = AUDIO_FORMAT_DEFAULT, michael@0: uint32_t channels = AUDIO_CHANNEL_OUT_STEREO, michael@0: audio_policy_output_flags_t flags = AUDIO_POLICY_OUTPUT_FLAG_INDIRECT) __attribute__((weak)); michael@0: static status_t setDeviceConnectionState(audio_devices_t device, audio_policy_dev_state_t state, const char *device_address) __attribute__((weak)); michael@0: static status_t setFmVolume(float volume) __attribute__((weak)); michael@0: static audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device, const char *device_address) __attribute__((weak)); michael@0: michael@0: #endif michael@0: static status_t startOutput(audio_io_handle_t output, michael@0: AudioSystem::stream_type stream, michael@0: int session = 0); michael@0: static status_t stopOutput(audio_io_handle_t output, michael@0: AudioSystem::stream_type stream, michael@0: int session = 0); michael@0: static void releaseOutput(audio_io_handle_t output); michael@0: static audio_io_handle_t getInput(int inputSource, michael@0: uint32_t samplingRate = 0, michael@0: uint32_t format = FORMAT_DEFAULT, michael@0: uint32_t channels = CHANNEL_IN_MONO, michael@0: audio_in_acoustics acoustics = (audio_in_acoustics)0); michael@0: static status_t startInput(audio_io_handle_t input); michael@0: static status_t stopInput(audio_io_handle_t input); michael@0: static void releaseInput(audio_io_handle_t input); michael@0: static status_t initStreamVolume(stream_type stream, michael@0: int indexMin, michael@0: int indexMax); michael@0: static status_t initStreamVolume(audio_stream_type_t stream, michael@0: int indexMin, michael@0: int indexMax); michael@0: static status_t setStreamVolumeIndex(stream_type stream, int index); michael@0: static status_t setStreamVolumeIndex(audio_stream_type_t stream, int index); michael@0: #if ANDROID_VERSION >= 17 michael@0: static status_t setStreamVolumeIndex(audio_stream_type_t stream, michael@0: int index, michael@0: audio_devices_t device); michael@0: static status_t getStreamVolumeIndex(audio_stream_type_t stream, michael@0: int *index, michael@0: audio_devices_t device); michael@0: #endif michael@0: static status_t getStreamVolumeIndex(stream_type stream, int *index); michael@0: static status_t getStreamVolumeIndex(audio_stream_type_t stream, int *index); michael@0: michael@0: static uint32_t getStrategyForStream(stream_type stream); michael@0: michael@0: static audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc); michael@0: static status_t registerEffect(effect_descriptor_t *desc, michael@0: audio_io_handle_t output, michael@0: uint32_t strategy, michael@0: int session, michael@0: int id); michael@0: static status_t unregisterEffect(int id); michael@0: michael@0: static const sp& get_audio_policy_service(); michael@0: michael@0: // ---------------------------------------------------------------------------- michael@0: michael@0: static uint32_t popCount(uint32_t u); michael@0: static bool isOutputDevice(audio_devices device); michael@0: static bool isInputDevice(audio_devices device); michael@0: static bool isA2dpDevice(audio_devices device); michael@0: static bool isBluetoothScoDevice(audio_devices device); michael@0: static bool isSeperatedStream(stream_type stream); michael@0: static bool isLowVisibility(stream_type stream); michael@0: static bool isOutputChannel(uint32_t channel); michael@0: static bool isInputChannel(uint32_t channel); michael@0: static bool isValidFormat(uint32_t format); michael@0: static bool isLinearPCM(uint32_t format); michael@0: static bool isModeInCall(); michael@0: michael@0: private: michael@0: michael@0: class AudioFlingerClient: public IBinder::DeathRecipient, public BnAudioFlingerClient michael@0: { michael@0: public: michael@0: AudioFlingerClient() { michael@0: } michael@0: michael@0: // DeathRecipient michael@0: virtual void binderDied(const wp& who); michael@0: michael@0: // IAudioFlingerClient michael@0: michael@0: // indicate a change in the configuration of an output or input: keeps the cached michael@0: // values for output/input parameters upto date in client process michael@0: virtual void ioConfigChanged(int event, int ioHandle, void *param2); michael@0: }; michael@0: michael@0: class AudioPolicyServiceClient: public IBinder::DeathRecipient michael@0: { michael@0: public: michael@0: AudioPolicyServiceClient() { michael@0: } michael@0: michael@0: // DeathRecipient michael@0: virtual void binderDied(const wp& who); michael@0: }; michael@0: michael@0: static sp gAudioFlingerClient; michael@0: static sp gAudioPolicyServiceClient; michael@0: friend class AudioFlingerClient; michael@0: friend class AudioPolicyServiceClient; michael@0: michael@0: static Mutex gLock; michael@0: static sp gAudioFlinger; michael@0: static audio_error_callback gAudioErrorCallback; michael@0: michael@0: static size_t gInBuffSize; michael@0: // previous parameters for recording buffer size queries michael@0: static uint32_t gPrevInSamplingRate; michael@0: static int gPrevInFormat; michael@0: static int gPrevInChannelCount; michael@0: michael@0: static sp gAudioPolicyService; michael@0: michael@0: // mapping between stream types and outputs michael@0: static DefaultKeyedVector gStreamOutputMap; michael@0: // list of output descritor containing cached parameters (sampling rate, framecount, channel count...) michael@0: static DefaultKeyedVector gOutputs; michael@0: }; michael@0: michael@0: class AudioParameter { michael@0: michael@0: public: michael@0: AudioParameter() {} michael@0: AudioParameter(const String8& keyValuePairs); michael@0: virtual ~AudioParameter(); michael@0: michael@0: // reserved parameter keys for changing standard parameters with setParameters() function. michael@0: // Using these keys is mandatory for AudioFlinger to properly monitor audio output/input michael@0: // configuration changes and act accordingly. michael@0: // keyRouting: to change audio routing, value is an int in AudioSystem::audio_devices michael@0: // keySamplingRate: to change sampling rate routing, value is an int michael@0: // keyFormat: to change audio format, value is an int in AudioSystem::audio_format michael@0: // keyChannels: to change audio channel configuration, value is an int in AudioSystem::audio_channels michael@0: // keyFrameCount: to change audio output frame count, value is an int michael@0: // keyInputSource: to change audio input source, value is an int in audio_source michael@0: // (defined in media/mediarecorder.h) michael@0: static const char *keyRouting; michael@0: static const char *keySamplingRate; michael@0: static const char *keyFormat; michael@0: static const char *keyChannels; michael@0: static const char *keyFrameCount; michael@0: static const char *keyInputSource; michael@0: michael@0: String8 toString(); michael@0: michael@0: status_t add(const String8& key, const String8& value); michael@0: status_t addInt(const String8& key, const int value); michael@0: status_t addFloat(const String8& key, const float value); michael@0: michael@0: status_t remove(const String8& key); michael@0: michael@0: status_t get(const String8& key, String8& value); michael@0: status_t getInt(const String8& key, int& value); michael@0: status_t getFloat(const String8& key, float& value); michael@0: status_t getAt(size_t index, String8& key, String8& value); michael@0: michael@0: size_t size() { return mParameters.size(); } michael@0: michael@0: private: michael@0: String8 mKeyValuePairs; michael@0: KeyedVector mParameters; michael@0: }; michael@0: michael@0: }; // namespace android michael@0: michael@0: #endif /*ANDROID_AUDIOSYSTEM_H_*/