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      1 // This file is autogenerated by hidl-gen. Do not edit manually.
      2 // Source: android.hardware.audio.common (at) 2.0
      3 // Root: android.hardware:hardware/interfaces
      4 
      5 #ifndef HIDL_GENERATED_ANDROID_HARDWARE_AUDIO_COMMON_V2_0_EXPORTED_CONSTANTS_H_
      6 #define HIDL_GENERATED_ANDROID_HARDWARE_AUDIO_COMMON_V2_0_EXPORTED_CONSTANTS_H_
      7 
      8 #ifdef __cplusplus
      9 extern "C" {
     10 #endif
     11 
     12 enum {
     13     AUDIO_IO_HANDLE_NONE = 0,
     14     AUDIO_MODULE_HANDLE_NONE = 0,
     15     AUDIO_PORT_HANDLE_NONE = 0,
     16     AUDIO_PATCH_HANDLE_NONE = 0,
     17 };
     18 
     19 typedef enum {
     20     AUDIO_STREAM_DEFAULT = -1, // (-1)
     21     AUDIO_STREAM_MIN = 0,
     22     AUDIO_STREAM_VOICE_CALL = 0,
     23     AUDIO_STREAM_SYSTEM = 1,
     24     AUDIO_STREAM_RING = 2,
     25     AUDIO_STREAM_MUSIC = 3,
     26     AUDIO_STREAM_ALARM = 4,
     27     AUDIO_STREAM_NOTIFICATION = 5,
     28     AUDIO_STREAM_BLUETOOTH_SCO = 6,
     29     AUDIO_STREAM_ENFORCED_AUDIBLE = 7,
     30     AUDIO_STREAM_DTMF = 8,
     31     AUDIO_STREAM_TTS = 9,
     32     AUDIO_STREAM_ACCESSIBILITY = 10,
     33     AUDIO_STREAM_REROUTING = 11,
     34     AUDIO_STREAM_PATCH = 12,
     35     AUDIO_STREAM_PUBLIC_CNT = 11, // (ACCESSIBILITY + 1)
     36     AUDIO_STREAM_FOR_POLICY_CNT = 12, // PATCH
     37     AUDIO_STREAM_CNT = 13, // (PATCH + 1)
     38 } audio_stream_type_t;
     39 
     40 typedef enum {
     41     AUDIO_SOURCE_DEFAULT = 0,
     42     AUDIO_SOURCE_MIC = 1,
     43     AUDIO_SOURCE_VOICE_UPLINK = 2,
     44     AUDIO_SOURCE_VOICE_DOWNLINK = 3,
     45     AUDIO_SOURCE_VOICE_CALL = 4,
     46     AUDIO_SOURCE_CAMCORDER = 5,
     47     AUDIO_SOURCE_VOICE_RECOGNITION = 6,
     48     AUDIO_SOURCE_VOICE_COMMUNICATION = 7,
     49     AUDIO_SOURCE_REMOTE_SUBMIX = 8,
     50     AUDIO_SOURCE_UNPROCESSED = 9,
     51     AUDIO_SOURCE_CNT = 10,
     52     AUDIO_SOURCE_MAX = 9, // (CNT - 1)
     53     AUDIO_SOURCE_FM_TUNER = 1998,
     54     AUDIO_SOURCE_HOTWORD = 1999,
     55 } audio_source_t;
     56 
     57 typedef enum {
     58     AUDIO_SESSION_OUTPUT_STAGE = -1, // (-1)
     59     AUDIO_SESSION_OUTPUT_MIX = 0,
     60     AUDIO_SESSION_ALLOCATE = 0,
     61     AUDIO_SESSION_NONE = 0,
     62 } audio_session_t;
     63 
     64 typedef enum {
     65     AUDIO_FORMAT_INVALID = 4294967295u, // 0xFFFFFFFFUL
     66     AUDIO_FORMAT_DEFAULT = 0u, // 0
     67     AUDIO_FORMAT_PCM = 0u, // 0x00000000UL
     68     AUDIO_FORMAT_MP3 = 16777216u, // 0x01000000UL
     69     AUDIO_FORMAT_AMR_NB = 33554432u, // 0x02000000UL
     70     AUDIO_FORMAT_AMR_WB = 50331648u, // 0x03000000UL
     71     AUDIO_FORMAT_AAC = 67108864u, // 0x04000000UL
     72     AUDIO_FORMAT_HE_AAC_V1 = 83886080u, // 0x05000000UL
     73     AUDIO_FORMAT_HE_AAC_V2 = 100663296u, // 0x06000000UL
     74     AUDIO_FORMAT_VORBIS = 117440512u, // 0x07000000UL
     75     AUDIO_FORMAT_OPUS = 134217728u, // 0x08000000UL
     76     AUDIO_FORMAT_AC3 = 150994944u, // 0x09000000UL
     77     AUDIO_FORMAT_E_AC3 = 167772160u, // 0x0A000000UL
     78     AUDIO_FORMAT_DTS = 184549376u, // 0x0B000000UL
     79     AUDIO_FORMAT_DTS_HD = 201326592u, // 0x0C000000UL
     80     AUDIO_FORMAT_IEC61937 = 218103808u, // 0x0D000000UL
     81     AUDIO_FORMAT_DOLBY_TRUEHD = 234881024u, // 0x0E000000UL
     82     AUDIO_FORMAT_EVRC = 268435456u, // 0x10000000UL
     83     AUDIO_FORMAT_EVRCB = 285212672u, // 0x11000000UL
     84     AUDIO_FORMAT_EVRCWB = 301989888u, // 0x12000000UL
     85     AUDIO_FORMAT_EVRCNW = 318767104u, // 0x13000000UL
     86     AUDIO_FORMAT_AAC_ADIF = 335544320u, // 0x14000000UL
     87     AUDIO_FORMAT_WMA = 352321536u, // 0x15000000UL
     88     AUDIO_FORMAT_WMA_PRO = 369098752u, // 0x16000000UL
     89     AUDIO_FORMAT_AMR_WB_PLUS = 385875968u, // 0x17000000UL
     90     AUDIO_FORMAT_MP2 = 402653184u, // 0x18000000UL
     91     AUDIO_FORMAT_QCELP = 419430400u, // 0x19000000UL
     92     AUDIO_FORMAT_DSD = 436207616u, // 0x1A000000UL
     93     AUDIO_FORMAT_FLAC = 452984832u, // 0x1B000000UL
     94     AUDIO_FORMAT_ALAC = 469762048u, // 0x1C000000UL
     95     AUDIO_FORMAT_APE = 486539264u, // 0x1D000000UL
     96     AUDIO_FORMAT_AAC_ADTS = 503316480u, // 0x1E000000UL
     97     AUDIO_FORMAT_SBC = 520093696u, // 0x1F000000UL
     98     AUDIO_FORMAT_APTX = 536870912u, // 0x20000000UL
     99     AUDIO_FORMAT_APTX_HD = 553648128u, // 0x21000000UL
    100     AUDIO_FORMAT_AC4 = 570425344u, // 0x22000000UL
    101     AUDIO_FORMAT_LDAC = 587202560u, // 0x23000000UL
    102     AUDIO_FORMAT_MAIN_MASK = 4278190080u, // 0xFF000000UL
    103     AUDIO_FORMAT_SUB_MASK = 16777215u, // 0x00FFFFFFUL
    104     AUDIO_FORMAT_PCM_SUB_16_BIT = 1u, // 0x1
    105     AUDIO_FORMAT_PCM_SUB_8_BIT = 2u, // 0x2
    106     AUDIO_FORMAT_PCM_SUB_32_BIT = 3u, // 0x3
    107     AUDIO_FORMAT_PCM_SUB_8_24_BIT = 4u, // 0x4
    108     AUDIO_FORMAT_PCM_SUB_FLOAT = 5u, // 0x5
    109     AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED = 6u, // 0x6
    110     AUDIO_FORMAT_MP3_SUB_NONE = 0u, // 0x0
    111     AUDIO_FORMAT_AMR_SUB_NONE = 0u, // 0x0
    112     AUDIO_FORMAT_AAC_SUB_MAIN = 1u, // 0x1
    113     AUDIO_FORMAT_AAC_SUB_LC = 2u, // 0x2
    114     AUDIO_FORMAT_AAC_SUB_SSR = 4u, // 0x4
    115     AUDIO_FORMAT_AAC_SUB_LTP = 8u, // 0x8
    116     AUDIO_FORMAT_AAC_SUB_HE_V1 = 16u, // 0x10
    117     AUDIO_FORMAT_AAC_SUB_SCALABLE = 32u, // 0x20
    118     AUDIO_FORMAT_AAC_SUB_ERLC = 64u, // 0x40
    119     AUDIO_FORMAT_AAC_SUB_LD = 128u, // 0x80
    120     AUDIO_FORMAT_AAC_SUB_HE_V2 = 256u, // 0x100
    121     AUDIO_FORMAT_AAC_SUB_ELD = 512u, // 0x200
    122     AUDIO_FORMAT_VORBIS_SUB_NONE = 0u, // 0x0
    123     AUDIO_FORMAT_PCM_16_BIT = 1u, // (PCM | PCM_SUB_16_BIT)
    124     AUDIO_FORMAT_PCM_8_BIT = 2u, // (PCM | PCM_SUB_8_BIT)
    125     AUDIO_FORMAT_PCM_32_BIT = 3u, // (PCM | PCM_SUB_32_BIT)
    126     AUDIO_FORMAT_PCM_8_24_BIT = 4u, // (PCM | PCM_SUB_8_24_BIT)
    127     AUDIO_FORMAT_PCM_FLOAT = 5u, // (PCM | PCM_SUB_FLOAT)
    128     AUDIO_FORMAT_PCM_24_BIT_PACKED = 6u, // (PCM | PCM_SUB_24_BIT_PACKED)
    129     AUDIO_FORMAT_AAC_MAIN = 67108865u, // (AAC | AAC_SUB_MAIN)
    130     AUDIO_FORMAT_AAC_LC = 67108866u, // (AAC | AAC_SUB_LC)
    131     AUDIO_FORMAT_AAC_SSR = 67108868u, // (AAC | AAC_SUB_SSR)
    132     AUDIO_FORMAT_AAC_LTP = 67108872u, // (AAC | AAC_SUB_LTP)
    133     AUDIO_FORMAT_AAC_HE_V1 = 67108880u, // (AAC | AAC_SUB_HE_V1)
    134     AUDIO_FORMAT_AAC_SCALABLE = 67108896u, // (AAC | AAC_SUB_SCALABLE)
    135     AUDIO_FORMAT_AAC_ERLC = 67108928u, // (AAC | AAC_SUB_ERLC)
    136     AUDIO_FORMAT_AAC_LD = 67108992u, // (AAC | AAC_SUB_LD)
    137     AUDIO_FORMAT_AAC_HE_V2 = 67109120u, // (AAC | AAC_SUB_HE_V2)
    138     AUDIO_FORMAT_AAC_ELD = 67109376u, // (AAC | AAC_SUB_ELD)
    139     AUDIO_FORMAT_AAC_ADTS_MAIN = 503316481u, // (AAC_ADTS | AAC_SUB_MAIN)
    140     AUDIO_FORMAT_AAC_ADTS_LC = 503316482u, // (AAC_ADTS | AAC_SUB_LC)
    141     AUDIO_FORMAT_AAC_ADTS_SSR = 503316484u, // (AAC_ADTS | AAC_SUB_SSR)
    142     AUDIO_FORMAT_AAC_ADTS_LTP = 503316488u, // (AAC_ADTS | AAC_SUB_LTP)
    143     AUDIO_FORMAT_AAC_ADTS_HE_V1 = 503316496u, // (AAC_ADTS | AAC_SUB_HE_V1)
    144     AUDIO_FORMAT_AAC_ADTS_SCALABLE = 503316512u, // (AAC_ADTS | AAC_SUB_SCALABLE)
    145     AUDIO_FORMAT_AAC_ADTS_ERLC = 503316544u, // (AAC_ADTS | AAC_SUB_ERLC)
    146     AUDIO_FORMAT_AAC_ADTS_LD = 503316608u, // (AAC_ADTS | AAC_SUB_LD)
    147     AUDIO_FORMAT_AAC_ADTS_HE_V2 = 503316736u, // (AAC_ADTS | AAC_SUB_HE_V2)
    148     AUDIO_FORMAT_AAC_ADTS_ELD = 503316992u, // (AAC_ADTS | AAC_SUB_ELD)
    149 } audio_format_t;
    150 
    151 enum {
    152     FCC_2 = 2,
    153     FCC_8 = 8,
    154 };
    155 
    156 enum {
    157     AUDIO_CHANNEL_REPRESENTATION_POSITION = 0u, // 0
    158     AUDIO_CHANNEL_REPRESENTATION_INDEX = 2u, // 2
    159     AUDIO_CHANNEL_NONE = 0u, // 0x0
    160     AUDIO_CHANNEL_INVALID = 3221225472u, // 0xC0000000
    161     AUDIO_CHANNEL_OUT_FRONT_LEFT = 1u, // 0x1
    162     AUDIO_CHANNEL_OUT_FRONT_RIGHT = 2u, // 0x2
    163     AUDIO_CHANNEL_OUT_FRONT_CENTER = 4u, // 0x4
    164     AUDIO_CHANNEL_OUT_LOW_FREQUENCY = 8u, // 0x8
    165     AUDIO_CHANNEL_OUT_BACK_LEFT = 16u, // 0x10
    166     AUDIO_CHANNEL_OUT_BACK_RIGHT = 32u, // 0x20
    167     AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 64u, // 0x40
    168     AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 128u, // 0x80
    169     AUDIO_CHANNEL_OUT_BACK_CENTER = 256u, // 0x100
    170     AUDIO_CHANNEL_OUT_SIDE_LEFT = 512u, // 0x200
    171     AUDIO_CHANNEL_OUT_SIDE_RIGHT = 1024u, // 0x400
    172     AUDIO_CHANNEL_OUT_TOP_CENTER = 2048u, // 0x800
    173     AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT = 4096u, // 0x1000
    174     AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER = 8192u, // 0x2000
    175     AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT = 16384u, // 0x4000
    176     AUDIO_CHANNEL_OUT_TOP_BACK_LEFT = 32768u, // 0x8000
    177     AUDIO_CHANNEL_OUT_TOP_BACK_CENTER = 65536u, // 0x10000
    178     AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT = 131072u, // 0x20000
    179     AUDIO_CHANNEL_OUT_MONO = 1u, // OUT_FRONT_LEFT
    180     AUDIO_CHANNEL_OUT_STEREO = 3u, // (OUT_FRONT_LEFT | OUT_FRONT_RIGHT)
    181     AUDIO_CHANNEL_OUT_2POINT1 = 11u, // ((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_LOW_FREQUENCY)
    182     AUDIO_CHANNEL_OUT_QUAD = 51u, // (((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_BACK_LEFT) | OUT_BACK_RIGHT)
    183     AUDIO_CHANNEL_OUT_QUAD_BACK = 51u, // OUT_QUAD
    184     AUDIO_CHANNEL_OUT_QUAD_SIDE = 1539u, // (((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_SIDE_LEFT) | OUT_SIDE_RIGHT)
    185     AUDIO_CHANNEL_OUT_SURROUND = 263u, // (((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_FRONT_CENTER) | OUT_BACK_CENTER)
    186     AUDIO_CHANNEL_OUT_PENTA = 55u, // (OUT_QUAD | OUT_FRONT_CENTER)
    187     AUDIO_CHANNEL_OUT_5POINT1 = 63u, // (((((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_FRONT_CENTER) | OUT_LOW_FREQUENCY) | OUT_BACK_LEFT) | OUT_BACK_RIGHT)
    188     AUDIO_CHANNEL_OUT_5POINT1_BACK = 63u, // OUT_5POINT1
    189     AUDIO_CHANNEL_OUT_5POINT1_SIDE = 1551u, // (((((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_FRONT_CENTER) | OUT_LOW_FREQUENCY) | OUT_SIDE_LEFT) | OUT_SIDE_RIGHT)
    190     AUDIO_CHANNEL_OUT_6POINT1 = 319u, // ((((((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_FRONT_CENTER) | OUT_LOW_FREQUENCY) | OUT_BACK_LEFT) | OUT_BACK_RIGHT) | OUT_BACK_CENTER)
    191     AUDIO_CHANNEL_OUT_7POINT1 = 1599u, // (((((((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_FRONT_CENTER) | OUT_LOW_FREQUENCY) | OUT_BACK_LEFT) | OUT_BACK_RIGHT) | OUT_SIDE_LEFT) | OUT_SIDE_RIGHT)
    192     AUDIO_CHANNEL_OUT_ALL = 262143u, // (((((((((((((((((OUT_FRONT_LEFT | OUT_FRONT_RIGHT) | OUT_FRONT_CENTER) | OUT_LOW_FREQUENCY) | OUT_BACK_LEFT) | OUT_BACK_RIGHT) | OUT_FRONT_LEFT_OF_CENTER) | OUT_FRONT_RIGHT_OF_CENTER) | OUT_BACK_CENTER) | OUT_SIDE_LEFT) | OUT_SIDE_RIGHT) | OUT_TOP_CENTER) | OUT_TOP_FRONT_LEFT) | OUT_TOP_FRONT_CENTER) | OUT_TOP_FRONT_RIGHT) | OUT_TOP_BACK_LEFT) | OUT_TOP_BACK_CENTER) | OUT_TOP_BACK_RIGHT)
    193     AUDIO_CHANNEL_IN_LEFT = 4u, // 0x4
    194     AUDIO_CHANNEL_IN_RIGHT = 8u, // 0x8
    195     AUDIO_CHANNEL_IN_FRONT = 16u, // 0x10
    196     AUDIO_CHANNEL_IN_BACK = 32u, // 0x20
    197     AUDIO_CHANNEL_IN_LEFT_PROCESSED = 64u, // 0x40
    198     AUDIO_CHANNEL_IN_RIGHT_PROCESSED = 128u, // 0x80
    199     AUDIO_CHANNEL_IN_FRONT_PROCESSED = 256u, // 0x100
    200     AUDIO_CHANNEL_IN_BACK_PROCESSED = 512u, // 0x200
    201     AUDIO_CHANNEL_IN_PRESSURE = 1024u, // 0x400
    202     AUDIO_CHANNEL_IN_X_AXIS = 2048u, // 0x800
    203     AUDIO_CHANNEL_IN_Y_AXIS = 4096u, // 0x1000
    204     AUDIO_CHANNEL_IN_Z_AXIS = 8192u, // 0x2000
    205     AUDIO_CHANNEL_IN_VOICE_UPLINK = 16384u, // 0x4000
    206     AUDIO_CHANNEL_IN_VOICE_DNLINK = 32768u, // 0x8000
    207     AUDIO_CHANNEL_IN_MONO = 16u, // IN_FRONT
    208     AUDIO_CHANNEL_IN_STEREO = 12u, // (IN_LEFT | IN_RIGHT)
    209     AUDIO_CHANNEL_IN_FRONT_BACK = 48u, // (IN_FRONT | IN_BACK)
    210     AUDIO_CHANNEL_IN_6 = 252u, // (((((IN_LEFT | IN_RIGHT) | IN_FRONT) | IN_BACK) | IN_LEFT_PROCESSED) | IN_RIGHT_PROCESSED)
    211     AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO = 16400u, // (IN_VOICE_UPLINK | IN_MONO)
    212     AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO = 32784u, // (IN_VOICE_DNLINK | IN_MONO)
    213     AUDIO_CHANNEL_IN_VOICE_CALL_MONO = 49168u, // (IN_VOICE_UPLINK_MONO | IN_VOICE_DNLINK_MONO)
    214     AUDIO_CHANNEL_IN_ALL = 65532u, // (((((((((((((IN_LEFT | IN_RIGHT) | IN_FRONT) | IN_BACK) | IN_LEFT_PROCESSED) | IN_RIGHT_PROCESSED) | IN_FRONT_PROCESSED) | IN_BACK_PROCESSED) | IN_PRESSURE) | IN_X_AXIS) | IN_Y_AXIS) | IN_Z_AXIS) | IN_VOICE_UPLINK) | IN_VOICE_DNLINK)
    215     AUDIO_CHANNEL_COUNT_MAX = 30u, // 30
    216     AUDIO_CHANNEL_INDEX_HDR = 2147483648u, // (REPRESENTATION_INDEX << COUNT_MAX)
    217     AUDIO_CHANNEL_INDEX_MASK_1 = 2147483649u, // (INDEX_HDR | ((1 << 1) - 1))
    218     AUDIO_CHANNEL_INDEX_MASK_2 = 2147483651u, // (INDEX_HDR | ((1 << 2) - 1))
    219     AUDIO_CHANNEL_INDEX_MASK_3 = 2147483655u, // (INDEX_HDR | ((1 << 3) - 1))
    220     AUDIO_CHANNEL_INDEX_MASK_4 = 2147483663u, // (INDEX_HDR | ((1 << 4) - 1))
    221     AUDIO_CHANNEL_INDEX_MASK_5 = 2147483679u, // (INDEX_HDR | ((1 << 5) - 1))
    222     AUDIO_CHANNEL_INDEX_MASK_6 = 2147483711u, // (INDEX_HDR | ((1 << 6) - 1))
    223     AUDIO_CHANNEL_INDEX_MASK_7 = 2147483775u, // (INDEX_HDR | ((1 << 7) - 1))
    224     AUDIO_CHANNEL_INDEX_MASK_8 = 2147483903u, // (INDEX_HDR | ((1 << 8) - 1))
    225 };
    226 
    227 enum {
    228     AUDIO_INTERLEAVE_LEFT = 0,
    229     AUDIO_INTERLEAVE_RIGHT = 1,
    230 };
    231 
    232 typedef enum {
    233     AUDIO_MODE_INVALID = -2, // (-2)
    234     AUDIO_MODE_CURRENT = -1, // (-1)
    235     AUDIO_MODE_NORMAL = 0,
    236     AUDIO_MODE_RINGTONE = 1,
    237     AUDIO_MODE_IN_CALL = 2,
    238     AUDIO_MODE_IN_COMMUNICATION = 3,
    239     AUDIO_MODE_CNT = 4,
    240     AUDIO_MODE_MAX = 3, // (CNT - 1)
    241 } audio_mode_t;
    242 
    243 enum {
    244     AUDIO_DEVICE_NONE = 0u, // 0x0
    245     AUDIO_DEVICE_BIT_IN = 2147483648u, // 0x80000000
    246     AUDIO_DEVICE_BIT_DEFAULT = 1073741824u, // 0x40000000
    247     AUDIO_DEVICE_OUT_EARPIECE = 1u, // 0x1
    248     AUDIO_DEVICE_OUT_SPEAKER = 2u, // 0x2
    249     AUDIO_DEVICE_OUT_WIRED_HEADSET = 4u, // 0x4
    250     AUDIO_DEVICE_OUT_WIRED_HEADPHONE = 8u, // 0x8
    251     AUDIO_DEVICE_OUT_BLUETOOTH_SCO = 16u, // 0x10
    252     AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 32u, // 0x20
    253     AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 64u, // 0x40
    254     AUDIO_DEVICE_OUT_BLUETOOTH_A2DP = 128u, // 0x80
    255     AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 256u, // 0x100
    256     AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 512u, // 0x200
    257     AUDIO_DEVICE_OUT_AUX_DIGITAL = 1024u, // 0x400
    258     AUDIO_DEVICE_OUT_HDMI = 1024u, // OUT_AUX_DIGITAL
    259     AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET = 2048u, // 0x800
    260     AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET = 4096u, // 0x1000
    261     AUDIO_DEVICE_OUT_USB_ACCESSORY = 8192u, // 0x2000
    262     AUDIO_DEVICE_OUT_USB_DEVICE = 16384u, // 0x4000
    263     AUDIO_DEVICE_OUT_REMOTE_SUBMIX = 32768u, // 0x8000
    264     AUDIO_DEVICE_OUT_TELEPHONY_TX = 65536u, // 0x10000
    265     AUDIO_DEVICE_OUT_LINE = 131072u, // 0x20000
    266     AUDIO_DEVICE_OUT_HDMI_ARC = 262144u, // 0x40000
    267     AUDIO_DEVICE_OUT_SPDIF = 524288u, // 0x80000
    268     AUDIO_DEVICE_OUT_FM = 1048576u, // 0x100000
    269     AUDIO_DEVICE_OUT_AUX_LINE = 2097152u, // 0x200000
    270     AUDIO_DEVICE_OUT_SPEAKER_SAFE = 4194304u, // 0x400000
    271     AUDIO_DEVICE_OUT_IP = 8388608u, // 0x800000
    272     AUDIO_DEVICE_OUT_BUS = 16777216u, // 0x1000000
    273     AUDIO_DEVICE_OUT_PROXY = 33554432u, // 0x2000000
    274     AUDIO_DEVICE_OUT_USB_HEADSET = 67108864u, // 0x4000000
    275     AUDIO_DEVICE_OUT_DEFAULT = 1073741824u, // BIT_DEFAULT
    276     AUDIO_DEVICE_OUT_ALL = 1207959551u, // (((((((((((((((((((((((((((OUT_EARPIECE | OUT_SPEAKER) | OUT_WIRED_HEADSET) | OUT_WIRED_HEADPHONE) | OUT_BLUETOOTH_SCO) | OUT_BLUETOOTH_SCO_HEADSET) | OUT_BLUETOOTH_SCO_CARKIT) | OUT_BLUETOOTH_A2DP) | OUT_BLUETOOTH_A2DP_HEADPHONES) | OUT_BLUETOOTH_A2DP_SPEAKER) | OUT_HDMI) | OUT_ANLG_DOCK_HEADSET) | OUT_DGTL_DOCK_HEADSET) | OUT_USB_ACCESSORY) | OUT_USB_DEVICE) | OUT_REMOTE_SUBMIX) | OUT_TELEPHONY_TX) | OUT_LINE) | OUT_HDMI_ARC) | OUT_SPDIF) | OUT_FM) | OUT_AUX_LINE) | OUT_SPEAKER_SAFE) | OUT_IP) | OUT_BUS) | OUT_PROXY) | OUT_USB_HEADSET) | OUT_DEFAULT)
    277     AUDIO_DEVICE_OUT_ALL_A2DP = 896u, // ((OUT_BLUETOOTH_A2DP | OUT_BLUETOOTH_A2DP_HEADPHONES) | OUT_BLUETOOTH_A2DP_SPEAKER)
    278     AUDIO_DEVICE_OUT_ALL_SCO = 112u, // ((OUT_BLUETOOTH_SCO | OUT_BLUETOOTH_SCO_HEADSET) | OUT_BLUETOOTH_SCO_CARKIT)
    279     AUDIO_DEVICE_OUT_ALL_USB = 67133440u, // ((OUT_USB_ACCESSORY | OUT_USB_DEVICE) | OUT_USB_HEADSET)
    280     AUDIO_DEVICE_IN_COMMUNICATION = 2147483649u, // (BIT_IN | 0x1)
    281     AUDIO_DEVICE_IN_AMBIENT = 2147483650u, // (BIT_IN | 0x2)
    282     AUDIO_DEVICE_IN_BUILTIN_MIC = 2147483652u, // (BIT_IN | 0x4)
    283     AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = 2147483656u, // (BIT_IN | 0x8)
    284     AUDIO_DEVICE_IN_WIRED_HEADSET = 2147483664u, // (BIT_IN | 0x10)
    285     AUDIO_DEVICE_IN_AUX_DIGITAL = 2147483680u, // (BIT_IN | 0x20)
    286     AUDIO_DEVICE_IN_HDMI = 2147483680u, // IN_AUX_DIGITAL
    287     AUDIO_DEVICE_IN_VOICE_CALL = 2147483712u, // (BIT_IN | 0x40)
    288     AUDIO_DEVICE_IN_TELEPHONY_RX = 2147483712u, // IN_VOICE_CALL
    289     AUDIO_DEVICE_IN_BACK_MIC = 2147483776u, // (BIT_IN | 0x80)
    290     AUDIO_DEVICE_IN_REMOTE_SUBMIX = 2147483904u, // (BIT_IN | 0x100)
    291     AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET = 2147484160u, // (BIT_IN | 0x200)
    292     AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET = 2147484672u, // (BIT_IN | 0x400)
    293     AUDIO_DEVICE_IN_USB_ACCESSORY = 2147485696u, // (BIT_IN | 0x800)
    294     AUDIO_DEVICE_IN_USB_DEVICE = 2147487744u, // (BIT_IN | 0x1000)
    295     AUDIO_DEVICE_IN_FM_TUNER = 2147491840u, // (BIT_IN | 0x2000)
    296     AUDIO_DEVICE_IN_TV_TUNER = 2147500032u, // (BIT_IN | 0x4000)
    297     AUDIO_DEVICE_IN_LINE = 2147516416u, // (BIT_IN | 0x8000)
    298     AUDIO_DEVICE_IN_SPDIF = 2147549184u, // (BIT_IN | 0x10000)
    299     AUDIO_DEVICE_IN_BLUETOOTH_A2DP = 2147614720u, // (BIT_IN | 0x20000)
    300     AUDIO_DEVICE_IN_LOOPBACK = 2147745792u, // (BIT_IN | 0x40000)
    301     AUDIO_DEVICE_IN_IP = 2148007936u, // (BIT_IN | 0x80000)
    302     AUDIO_DEVICE_IN_BUS = 2148532224u, // (BIT_IN | 0x100000)
    303     AUDIO_DEVICE_IN_PROXY = 2164260864u, // (BIT_IN | 0x1000000)
    304     AUDIO_DEVICE_IN_USB_HEADSET = 2181038080u, // (BIT_IN | 0x2000000)
    305     AUDIO_DEVICE_IN_DEFAULT = 3221225472u, // (BIT_IN | BIT_DEFAULT)
    306     AUDIO_DEVICE_IN_ALL = 3273654271u, // (((((((((((((((((((((((IN_COMMUNICATION | IN_AMBIENT) | IN_BUILTIN_MIC) | IN_BLUETOOTH_SCO_HEADSET) | IN_WIRED_HEADSET) | IN_HDMI) | IN_TELEPHONY_RX) | IN_BACK_MIC) | IN_REMOTE_SUBMIX) | IN_ANLG_DOCK_HEADSET) | IN_DGTL_DOCK_HEADSET) | IN_USB_ACCESSORY) | IN_USB_DEVICE) | IN_FM_TUNER) | IN_TV_TUNER) | IN_LINE) | IN_SPDIF) | IN_BLUETOOTH_A2DP) | IN_LOOPBACK) | IN_IP) | IN_BUS) | IN_PROXY) | IN_USB_HEADSET) | IN_DEFAULT)
    307     AUDIO_DEVICE_IN_ALL_SCO = 2147483656u, // IN_BLUETOOTH_SCO_HEADSET
    308     AUDIO_DEVICE_IN_ALL_USB = 2181044224u, // ((IN_USB_ACCESSORY | IN_USB_DEVICE) | IN_USB_HEADSET)
    309 };
    310 
    311 typedef enum {
    312     AUDIO_OUTPUT_FLAG_NONE = 0, // 0x0
    313     AUDIO_OUTPUT_FLAG_DIRECT = 1, // 0x1
    314     AUDIO_OUTPUT_FLAG_PRIMARY = 2, // 0x2
    315     AUDIO_OUTPUT_FLAG_FAST = 4, // 0x4
    316     AUDIO_OUTPUT_FLAG_DEEP_BUFFER = 8, // 0x8
    317     AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD = 16, // 0x10
    318     AUDIO_OUTPUT_FLAG_NON_BLOCKING = 32, // 0x20
    319     AUDIO_OUTPUT_FLAG_HW_AV_SYNC = 64, // 0x40
    320     AUDIO_OUTPUT_FLAG_TTS = 128, // 0x80
    321     AUDIO_OUTPUT_FLAG_RAW = 256, // 0x100
    322     AUDIO_OUTPUT_FLAG_SYNC = 512, // 0x200
    323     AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO = 1024, // 0x400
    324     AUDIO_OUTPUT_FLAG_DIRECT_PCM = 8192, // 0x2000
    325     AUDIO_OUTPUT_FLAG_MMAP_NOIRQ = 16384, // 0x4000
    326     AUDIO_OUTPUT_FLAG_VOIP_RX = 32768, // 0x8000
    327 } audio_output_flags_t;
    328 
    329 typedef enum {
    330     AUDIO_INPUT_FLAG_NONE = 0, // 0x0
    331     AUDIO_INPUT_FLAG_FAST = 1, // 0x1
    332     AUDIO_INPUT_FLAG_HW_HOTWORD = 2, // 0x2
    333     AUDIO_INPUT_FLAG_RAW = 4, // 0x4
    334     AUDIO_INPUT_FLAG_SYNC = 8, // 0x8
    335     AUDIO_INPUT_FLAG_MMAP_NOIRQ = 16, // 0x10
    336     AUDIO_INPUT_FLAG_VOIP_TX = 32, // 0x20
    337 } audio_input_flags_t;
    338 
    339 typedef enum {
    340     AUDIO_USAGE_UNKNOWN = 0,
    341     AUDIO_USAGE_MEDIA = 1,
    342     AUDIO_USAGE_VOICE_COMMUNICATION = 2,
    343     AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING = 3,
    344     AUDIO_USAGE_ALARM = 4,
    345     AUDIO_USAGE_NOTIFICATION = 5,
    346     AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE = 6,
    347     AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST = 7,
    348     AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT = 8,
    349     AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED = 9,
    350     AUDIO_USAGE_NOTIFICATION_EVENT = 10,
    351     AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY = 11,
    352     AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE = 12,
    353     AUDIO_USAGE_ASSISTANCE_SONIFICATION = 13,
    354     AUDIO_USAGE_GAME = 14,
    355     AUDIO_USAGE_VIRTUAL_SOURCE = 15,
    356     AUDIO_USAGE_ASSISTANT = 16,
    357     AUDIO_USAGE_CNT = 17,
    358     AUDIO_USAGE_MAX = 16, // (CNT - 1)
    359 } audio_usage_t;
    360 
    361 enum {
    362     AUDIO_GAIN_MODE_JOINT = 1u, // 0x1
    363     AUDIO_GAIN_MODE_CHANNELS = 2u, // 0x2
    364     AUDIO_GAIN_MODE_RAMP = 4u, // 0x4
    365 };
    366 
    367 typedef enum {
    368     AUDIO_PORT_ROLE_NONE = 0,
    369     AUDIO_PORT_ROLE_SOURCE = 1,
    370     AUDIO_PORT_ROLE_SINK = 2,
    371 } audio_port_role_t;
    372 
    373 typedef enum {
    374     AUDIO_PORT_TYPE_NONE = 0,
    375     AUDIO_PORT_TYPE_DEVICE = 1,
    376     AUDIO_PORT_TYPE_MIX = 2,
    377     AUDIO_PORT_TYPE_SESSION = 3,
    378 } audio_port_type_t;
    379 
    380 enum {
    381     AUDIO_PORT_CONFIG_SAMPLE_RATE = 1u, // 0x1
    382     AUDIO_PORT_CONFIG_CHANNEL_MASK = 2u, // 0x2
    383     AUDIO_PORT_CONFIG_FORMAT = 4u, // 0x4
    384     AUDIO_PORT_CONFIG_GAIN = 8u, // 0x8
    385     AUDIO_PORT_CONFIG_ALL = 15u, // (((SAMPLE_RATE | CHANNEL_MASK) | FORMAT) | GAIN)
    386 };
    387 
    388 typedef enum {
    389     AUDIO_LATENCY_LOW = 0,
    390     AUDIO_LATENCY_NORMAL = 1,
    391 } audio_mix_latency_class_t;
    392 
    393 #ifdef __cplusplus
    394 }
    395 #endif
    396 
    397 #endif  // HIDL_GENERATED_ANDROID_HARDWARE_AUDIO_COMMON_V2_0_EXPORTED_CONSTANTS_H_
    398