/* Audio Format Type Descriptor Sizes */
#define AUDIO_FORMAT_TYPE_I_DESC_SZ(n)          0x08+(n*3)
#define AUDIO_FORMAT_TYPE_II_DESC_SZ(n)         0x09+(n*3)
#define AUDIO_FORMAT_TYPE_III_DESC_SZ(n)        0x08+(n*3)
#define AUDIO_FORMAT_MPEG_DESC_SIZE             0x09
#define AUDIO_FORMAT_AC3_DESC_SIZE              0x0A


/* Audio Data Format Codes */

/*  Audio Data Format Type I Codes */
#define AUDIO_FORMAT_TYPE_I_UNDEFINED           0x0000
#define AUDIO_FORMAT_PCM                        0x0001
#define AUDIO_FORMAT_PCM8                       0x0002
#define AUDIO_FORMAT_IEEE_FLOAT                 0x0003
#define AUDIO_FORMAT_ALAW                       0x0004
#define AUDIO_FORMAT_MULAW                      0x0005

/*  Audio Data Format Type II Codes */
#define AUDIO_FORMAT_TYPE_II_UNDEFINED          0x1000
#define AUDIO_FORMAT_MPEG                       0x1001
#define AUDIO_FORMAT_AC3                        0x1002

/*  Audio Data Format Type III Codes */
#define AUDIO_FORMAT_TYPE_III_UNDEFINED         0x2000
#define AUDIO_FORMAT_IEC1937_AC3                0x2001
#define AUDIO_FORMAT_IEC1937_MPEG1_L1           0x2002
#define AUDIO_FORMAT_IEC1937_MPEG1_L2_3         0x2003
#define AUDIO_FORMAT_IEC1937_MPEG2_NOEXT        0x2003
#define AUDIO_FORMAT_IEC1937_MPEG2_EXT          0x2004
#define AUDIO_FORMAT_IEC1937_MPEG2_L1_LS        0x2005
#define AUDIO_FORMAT_IEC1937_MPEG2_L2_3         0x2006


/* Predefined Audio Channel Configuration Bits */
#define AUDIO_CHANNEL_M                         0x0000  /* Mono */
#define AUDIO_CHANNEL_L                         0x0001  /* Left Front */
#define AUDIO_CHANNEL_R                         0x0002  /* Right Front */
#define AUDIO_CHANNEL_C                         0x0004  /* Center Front */
#define AUDIO_CHANNEL_LFE                       0x0008  /* Low Freq. Enhance. */
#define AUDIO_CHANNEL_LS                        0x0010  /* Left Surround */
#define AUDIO_CHANNEL_RS                        0x0020  /* Right Surround */
#define AUDIO_CHANNEL_LC                        0x0040  /* Left of Center */
#define AUDIO_CHANNEL_RC                        0x0080  /* Right of Center */
#define AUDIO_CHANNEL_S                         0x0100  /* Surround */
#define AUDIO_CHANNEL_SL                        0x0200  /* Side Left */
#define AUDIO_CHANNEL_SR                        0x0400  /* Side Right */
#define AUDIO_CHANNEL_T                         0x0800  /* Top */


/* Feature Unit Control Bits */
#define AUDIO_CONTROL_MUTE                      0x0001
#define AUDIO_CONTROL_VOLUME                    0x0002
#define AUDIO_CONTROL_BASS                      0x0004
#define AUDIO_CONTROL_MID                       0x0008
#define AUDIO_CONTROL_TREBLE                    0x0010
#define AUDIO_CONTROL_GRAPHIC_EQUALIZER         0x0020
#define AUDIO_CONTROL_AUTOMATIC_GAIN            0x0040
#define AUDIO_CONTROL_DEALY                     0x0080
#define AUDIO_CONTROL_BASS_BOOST                0x0100
#define AUDIO_CONTROL_LOUDNESS                  0x0200

/* Processing Unit Control Bits: */
#define AUDIO_CONTROL_ENABLE                    0x0001  /* Common Bit */
#define AUDIO_CONTROL_MODE_SELECT               0x0002  /* Common Bit */

/* - Up/Down-mix Control Bits */
/*      AUDIO_CONTROL_ENABLE                    0x0001     Common Bit */
/*      AUDIO_CONTROL_MODE_SELECT               0x0002     Common Bit */

/* - Dolby Prologic Control Bits */
/*      AUDIO_CONTROL_ENABLE                    0x0001     Common Bit */
/*      AUDIO_CONTROL_MODE_SELECT               0x0002     Common Bit */

/* - 3D Stereo Extender Control Bits */
/*      AUDIO_CONTROL_ENABLE                    0x0001     Common Bit */
#define AUDIO_CONTROL_SPACIOUSNESS              0x0002

/* - Reverberation Control Bits */
/*      AUDIO_CONTROL_ENABLE                    0x0001     Common Bit */
#define AUDIO_CONTROL_REVERB_TYPE               0x0002
#define AUDIO_CONTROL_REVERB_LEVEL              0x0004
#define AUDIO_CONTROL_REVERB_TIME               0x0008
#define AUDIO_CONTROL_REVERB_FEEDBACK           0x0010

/* - Chorus Control Bits */
/*      AUDIO_CONTROL_ENABLE                    0x0001     Common Bit */
#define AUDIO_CONTROL_CHORUS_LEVEL              0x0002
#define AUDIO_CONTROL_SHORUS_RATE               0x0004
#define AUDIO_CONTROL_CHORUS_DEPTH              0x0008

/* - Dynamic Range Compressor Control Bits */
/*      AUDIO_CONTROL_ENABLE                    0x0001     Common Bit */
#define AUDIO_CONTROL_COMPRESSION_RATE          0x0002
#define AUDIO_CONTROL_MAX_AMPL                  0x0004
#define AUDIO_CONTROL_THRESHOLD                 0x0008
#define AUDIO_CONTROL_ATTACK_TIME               0x0010
#define AUDIO_CONTROL_RELEASE_TIME              0x0020

/* Extension Unit Control Bits */
/*      AUDIO_CONTROL_ENABLE                    0x0001     Common Bit */

/* Endpoint Control Bits */
#define AUDIO_CONTROL_SAMPLING_FREQ             0x01
#define AUDIO_CONTROL_PITCH                     0x02
#define AUDIO_MAX_PACKETS_ONLY                  0x80


/* Audio Terminal Types */

/*  USB Terminal Types */
#define AUDIO_TERMINAL_USB_UNDEFINED            0x0100
#define AUDIO_TERMINAL_USB_STREAMING            0x0101
#define AUDIO_TERMINAL_USB_VENDOR_SPECIFIC      0x01FF

/*  Input Terminal Types */
#define AUDIO_TERMINAL_INPUT_UNDEFINED          0x0200
#define AUDIO_TERMINAL_MICROPHONE               0x0201
#define AUDIO_TERMINAL_DESKTOP_MICROPHONE       0x0202
#define AUDIO_TERMINAL_PERSONAL_MICROPHONE      0x0203
#define AUDIO_TERMINAL_OMNI_DIR_MICROPHONE      0x0204
#define AUDIO_TERMINAL_MICROPHONE_ARRAY         0x0205
#define AUDIO_TERMINAL_PROCESSING_MIC_ARRAY     0x0206

/*  Output Terminal Types */
#define AUDIO_TERMINAL_OUTPUT_UNDEFINED         0x0300
#define AUDIO_TERMINAL_SPEAKER                  0x0301
#define AUDIO_TERMINAL_HEADPHONES               0x0302
#define AUDIO_TERMINAL_HEAD_MOUNTED_AUDIO       0x0303
#define AUDIO_TERMINAL_DESKTOP_SPEAKER          0x0304
#define AUDIO_TERMINAL_ROOM_SPEAKER             0x0305
#define AUDIO_TERMINAL_COMMUNICATION_SPEAKER    0x0306
#define AUDIO_TERMINAL_LOW_FREQ_SPEAKER         0x0307

/*  Bi-directional Terminal Types */
#define AUDIO_TERMINAL_BIDIRECTIONAL_UNDEFINED  0x0400
#define AUDIO_TERMINAL_HANDSET                  0x0401
#define AUDIO_TERMINAL_HEAD_MOUNTED_HANDSET     0x0402
#define AUDIO_TERMINAL_SPEAKERPHONE             0x0403
#define AUDIO_TERMINAL_SPEAKERPHONE_ECHOSUPRESS 0x0404
#define AUDIO_TERMINAL_SPEAKERPHONE_ECHOCANCEL  0x0405

/*  Telephony Terminal Types */
#define AUDIO_TERMINAL_TELEPHONY_UNDEFINED      0x0500
#define AUDIO_TERMINAL_PHONE_LINE               0x0501
#define AUDIO_TERMINAL_TELEPHONE                0x0502
#define AUDIO_TERMINAL_DOWN_LINE_PHONE          0x0503

/*  External Terminal Types */
#define AUDIO_TERMINAL_EXTERNAL_UNDEFINED       0x0600
#define AUDIO_TERMINAL_ANALOG_CONNECTOR         0x0601
#define AUDIO_TERMINAL_DIGITAL_AUDIO_INTERFACE  0x0602
#define AUDIO_TERMINAL_LINE_CONNECTOR           0x0603
#define AUDIO_TERMINAL_LEGACY_AUDIO_CONNECTOR   0x0604
#define AUDIO_TERMINAL_SPDIF_INTERFACE          0x0605
#define AUDIO_TERMINAL_1394_DA_STREAM           0x0606
#define AUDIO_TERMINAL_1394_DA_STREAM_TRACK     0x0607

/*  Embedded Function Terminal Types */
#define AUDIO_TERMINAL_EMBEDDED_UNDEFINED       0x0700
#define AUDIO_TERMINAL_CALIBRATION_NOISE        0x0701
#define AUDIO_TERMINAL_EQUALIZATION_NOISE       0x0702
#define AUDIO_TERMINAL_CD_PLAYER                0x0703
#define AUDIO_TERMINAL_DAT                      0x0704
#define AUDIO_TERMINAL_DCC                      0x0705
#define AUDIO_TERMINAL_MINI_DISK                0x0706
#define AUDIO_TERMINAL_ANALOG_TAPE              0x0707
#define AUDIO_TERMINAL_PHONOGRAPH               0x0708
#define AUDIO_TERMINAL_VCR_AUDIO                0x0709
#define AUDIO_TERMINAL_VIDEO_DISC_AUDIO         0x070A
#define AUDIO_TERMINAL_DVD_AUDIO                0x070B
#define AUDIO_TERMINAL_TV_TUNER_AUDIO           0x070C
#define AUDIO_TERMINAL_SATELLITE_RECEIVER_AUDIO 0x070D
#define AUDIO_TERMINAL_CABLE_TUNER_AUDIO        0x070E
#define AUDIO_TERMINAL_DSS_AUDIO                0x070F
#define AUDIO_TERMINAL_RADIO_RECEIVER           0x0710
#define AUDIO_TERMINAL_RADIO_TRANSMITTER        0x0711
#define AUDIO_TERMINAL_MULTI_TRACK_RECORDER     0x0712
#define AUDIO_TERMINAL_SYNTHESIZER              0x0713


#endif  /* __AUDIO_H__ */