Audio format types
[HPI constant definitions]

Defines
#define	HPI_FORMAT_MIXER_NATIVE   0
	Used internally on adapter.
#define	HPI_FORMAT_PCM8_UNSIGNED   1
	8-bit unsigned PCM.
#define	HPI_FORMAT_PCM16_SIGNED   2
	16-bit signed PCM.
#define	HPI_FORMAT_MPEG_L1   3
	MPEG-1 Layer-1.
#define	HPI_FORMAT_MPEG_L2   4
	MPEG-1 Layer-2.
#define	HPI_FORMAT_MPEG_L3   5
	MPEG-1 Layer-3.
#define	HPI_FORMAT_DOLBY_AC2   6
	Dolby AC-2.
#define	HPI_FORMAT_DOLBY_AC3   7
	Dolbt AC-3.
#define	HPI_FORMAT_PCM16_BIGENDIAN   8
	16-bit PCM big-endian.
#define	HPI_FORMAT_AA_TAGIT1_HITS   9
	TAGIT-1 algorithm - hits.
#define	HPI_FORMAT_AA_TAGIT1_INSERTS   10
	TAGIT-1 algorithm - inserts.
#define	HPI_FORMAT_PCM32_SIGNED   11
	32-bit signed PCM.
#define	HPI_FORMAT_RAW_BITSTREAM   12
	Raw bitstream - unknown format.
#define	HPI_FORMAT_AA_TAGIT1_HITS_EX1   13
	TAGIT-1 algorithm hits - extended.
#define	HPI_FORMAT_PCM32_FLOAT   14
	32-bit PCM as an IEEE float.
#define	HPI_FORMAT_PCM24_SIGNED   15
	24-bit PCM signed.
#define	HPI_FORMAT_OEM1   16
	OEM format 1 - private.
#define	HPI_FORMAT_OEM2   17
	OEM format 2 - private.
#define	HPI_FORMAT_UNDEFINED   (0xffff)
	Undefined format.

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Define Documentation

#define HPI_FORMAT_MIXER_NATIVE   0

Used internally on adapter.

#define HPI_FORMAT_PCM8_UNSIGNED   1

8-bit unsigned PCM. Windows equivalent is WAVE_FORMAT_PCM.

#define HPI_FORMAT_PCM16_SIGNED   2

16-bit signed PCM. Windows equivalent is WAVE_FORMAT_PCM.

#define HPI_FORMAT_MPEG_L1   3

MPEG-1 Layer-1.

#define HPI_FORMAT_MPEG_L2   4

MPEG-1 Layer-2. Windows equivalent is WAVE_FORMAT_MPEG. The following table shows what combinations of mode and bitrate are possible: Bitrate (kbs) Mono Stereo, Joint Stereo or Dual Channel 32 X _ 40 _ _ 48 X _ 56 X _ 64 X X 80 X _ 96 X X 112 X X 128 X X 160 X X 192 X X 224 _ X 256 - X 320 - X 384 _ X

#define HPI_FORMAT_MPEG_L3   5

MPEG-1 Layer-3. Windows equivalent is WAVE_FORMAT_MPEG. The following table shows what combinations of mode and bitrate are possible: Bitrate (kbs) Mono Stereo @ 8, 11.025 and 12kHz* Mono Stereo @ 16, 22.050 and 24kHz* Mono Stereo @ 32, 44.1 and 48kHz 16 X X _ 24 X X _ 32 X X X 40 X X X 48 X X X 56 X X X 64 X X X 80 _ X X 96 _ X X 112 _ X X 128 _ X X 144 _ X _ 160 _ X X 192 _ _ X 224 _ _ X 256 - _ X 320 - _ X * Available on the ASI6000 series only

#define HPI_FORMAT_DOLBY_AC2   6

Dolby AC-2.

#define HPI_FORMAT_DOLBY_AC3   7

Dolbt AC-3.

#define HPI_FORMAT_PCM16_BIGENDIAN   8

16-bit PCM big-endian.

#define HPI_FORMAT_AA_TAGIT1_HITS   9

TAGIT-1 algorithm - hits.

#define HPI_FORMAT_AA_TAGIT1_INSERTS   10

TAGIT-1 algorithm - inserts.

#define HPI_FORMAT_PCM32_SIGNED   11

32-bit signed PCM. Windows equivalent is WAVE_FORMAT_PCM. Each sample is a 32bit word. The most significant 24 bits contain a 24-bit sample and the least significant 8 bits are set to 0.

#define HPI_FORMAT_RAW_BITSTREAM   12

Raw bitstream - unknown format.

#define HPI_FORMAT_AA_TAGIT1_HITS_EX1   13

TAGIT-1 algorithm hits - extended.

#define HPI_FORMAT_PCM32_FLOAT   14

32-bit PCM as an IEEE float. Windows equivalent is WAVE_FORMAT_IEEE_FLOAT. Each sample is a 32bit word in IEEE754 floating point format. The range is +1.0 to -1.0, which corresponds to digital fullscale.

#define HPI_FORMAT_PCM24_SIGNED   15

24-bit PCM signed. Windows equivalent is WAVE_FORMAT_PCM.

#define HPI_FORMAT_OEM1   16

OEM format 1 - private.

#define HPI_FORMAT_OEM2   17

OEM format 2 - private.

#define HPI_FORMAT_UNDEFINED   (0xffff)

Undefined format.

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