xma2defs.h File Reference

#include <sal.h>
#include <winerror.h>
#include <audiodefs.h>

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Classes
struct	XMA2WAVEFORMATEX
struct	XMASTREAMFORMAT
struct	XMAWAVEFORMAT
struct	XMA2STREAMFORMAT
struct	XMA2WAVEFORMAT
struct	XMA2PACKET

Macros
#define	XMA_OUTPUT_SAMPLE_BYTES   2u
#define	XMA_OUTPUT_SAMPLE_BITS   (XMA_OUTPUT_SAMPLE_BYTES * 8u)
#define	XMA_BYTES_PER_PACKET   2048u
#define	XMA_BITS_PER_PACKET   (XMA_BYTES_PER_PACKET * 8u)
#define	XMA_PACKET_HEADER_BYTES   4u
#define	XMA_PACKET_HEADER_BITS   (XMA_PACKET_HEADER_BYTES * 8u)
#define	XMA_SAMPLES_PER_FRAME   512u
#define	XMA_SAMPLES_PER_SUBFRAME   128u
#define	XMA_READBUFFER_MAX_PACKETS   4095u
#define	XMA_READBUFFER_MAX_BYTES   (XMA_READBUFFER_MAX_PACKETS * XMA_BYTES_PER_PACKET)
#define	XMA_WRITEBUFFER_MAX_BYTES   (31u * 256u)
#define	XMA_WRITEBUFFER_BYTE_ALIGNMENT   256u
#define	XMA_MIN_SUBFRAMES_TO_DECODE   1u
#define	XMA_MAX_SUBFRAMES_TO_DECODE   8u
#define	XMA_OPTIMAL_SUBFRAMES_TO_DECODE   4u
#define	XMA_MAX_LOOPCOUNT   254u
#define	XMA_INFINITE_LOOP   255u
#define	WAVE_FORMAT_XMA2   0x166
#define	WAVE_FORMAT_XMA   0x0165
#define	XMA_SPEAKER_LEFT   0x01
#define	XMA_SPEAKER_RIGHT   0x02
#define	XMA_SPEAKER_CENTER   0x04
#define	XMA_SPEAKER_LFE   0x08
#define	XMA_SPEAKER_LEFT_SURROUND   0x10
#define	XMA_SPEAKER_RIGHT_SURROUND   0x20
#define	XMA_SPEAKER_LEFT_BACK   0x40
#define	XMA_SPEAKER_RIGHT_BACK   0x80
#define	XMA_BITS_IN_FRAME_LENGTH_FIELD   15
#define	XMA_FINAL_FRAME_MARKER   0x7FFF
#define	XMA2DEFS_ASSERT(a)   /* No-op by default */
#define	XMASWAP2BYTES(n)   ((WORD)(((n) >> 8) | (((n) & 0xff) << 8)))
#define	XMASWAP4BYTES(n)   ((DWORD)((n) >> 24 | (n) << 24 | ((n) & 0xff00) << 8 | ((n) & 0xff0000) >> 8))

Typedefs
typedef struct XMA2WAVEFORMATEX	XMA2WAVEFORMATEX
typedef struct XMA2WAVEFORMATEX *	PXMA2WAVEFORMATEX
typedef struct XMASTREAMFORMAT	XMASTREAMFORMAT
typedef struct XMAWAVEFORMAT	XMAWAVEFORMAT
typedef struct XMA2STREAMFORMAT	XMA2STREAMFORMAT
typedef struct XMA2WAVEFORMAT	XMA2WAVEFORMAT
typedef struct XMA2PACKET	XMA2PACKET

Functions
__inline DWORD	GetXmaPacketFrameCount (__in_bcount(1) const BYTE *pPacket)
__inline DWORD	GetXmaPacketFirstFrameOffsetInBits (__in_bcount(3) const BYTE *pPacket)
__inline DWORD	GetXmaPacketMetadata (__in_bcount(3) const BYTE *pPacket)
__inline DWORD	GetXmaPacketSkipCount (__in_bcount(4) const BYTE *pPacket)
__inline HRESULT	GetXmaBlockContainingSample (DWORD nBlockCount, __in_ecount(nBlockCount) const DWORD *pSeekTable, DWORD nDesiredSample, __out DWORD *pnBlockContainingSample, __out DWORD *pnSampleOffsetWithinBlock)
__inline DWORD	GetXmaFrameLengthInBits (__in_bcount(nBitPosition/8+3) __in const BYTE *pPacket, DWORD nBitPosition)
__inline DWORD	GetXmaFrameBitPosition (__in_bcount(nXmaDataBytes) const BYTE *pXmaData, DWORD nXmaDataBytes, DWORD nStreamIndex, DWORD nDesiredFrame)
__inline DWORD	GetLastXmaFrameBitPosition (__in_bcount(nXmaDataBytes) const BYTE *pXmaData, DWORD nXmaDataBytes, DWORD nStreamIndex)
__inline HRESULT	GetXmaDecodePositionForSample (__in_bcount(nXmaDataBytes) const BYTE *pXmaData, DWORD nXmaDataBytes, DWORD nStreamIndex, DWORD nDesiredSample, __out DWORD *pnBitOffset, __out DWORD *pnSubFrame)
__inline DWORD	GetXmaSampleRate (DWORD dwGeneralRate)
__inline DWORD	GetStandardChannelMaskFromXmaMask (BYTE bXmaMask)
__inline BYTE	GetXmaChannelMaskFromStandardMask (DWORD dwStandardMask)
__inline HRESULT	LocalizeXma2Format (__inout XMA2WAVEFORMATEX *pXma2Format)

Macro Definition Documentation

WAVE_FORMAT_XMA

#define WAVE_FORMAT_XMA   0x0165

WAVE_FORMAT_XMA2

#define WAVE_FORMAT_XMA2   0x166

XMA2DEFS_ASSERT

#define XMA2DEFS_ASSERT

(

a

)

/* No-op by default */

XMA_BITS_IN_FRAME_LENGTH_FIELD

#define XMA_BITS_IN_FRAME_LENGTH_FIELD   15

XMA_BITS_PER_PACKET

#define XMA_BITS_PER_PACKET   (XMA_BYTES_PER_PACKET * 8u)

XMA_BYTES_PER_PACKET

#define XMA_BYTES_PER_PACKET   2048u

XMA_FINAL_FRAME_MARKER

#define XMA_FINAL_FRAME_MARKER   0x7FFF

XMA_INFINITE_LOOP

#define XMA_INFINITE_LOOP   255u

XMA_MAX_LOOPCOUNT

#define XMA_MAX_LOOPCOUNT   254u

XMA_MAX_SUBFRAMES_TO_DECODE

#define XMA_MAX_SUBFRAMES_TO_DECODE   8u

XMA_MIN_SUBFRAMES_TO_DECODE

#define XMA_MIN_SUBFRAMES_TO_DECODE   1u

XMA_OPTIMAL_SUBFRAMES_TO_DECODE

#define XMA_OPTIMAL_SUBFRAMES_TO_DECODE   4u

XMA_OUTPUT_SAMPLE_BITS

#define XMA_OUTPUT_SAMPLE_BITS   (XMA_OUTPUT_SAMPLE_BYTES * 8u)

XMA_OUTPUT_SAMPLE_BYTES

#define XMA_OUTPUT_SAMPLE_BYTES   2u

XMA_PACKET_HEADER_BITS

#define XMA_PACKET_HEADER_BITS   (XMA_PACKET_HEADER_BYTES * 8u)

XMA_PACKET_HEADER_BYTES

#define XMA_PACKET_HEADER_BYTES   4u

XMA_READBUFFER_MAX_BYTES

#define XMA_READBUFFER_MAX_BYTES   (XMA_READBUFFER_MAX_PACKETS * XMA_BYTES_PER_PACKET)

XMA_READBUFFER_MAX_PACKETS

#define XMA_READBUFFER_MAX_PACKETS   4095u

XMA_SAMPLES_PER_FRAME

#define XMA_SAMPLES_PER_FRAME   512u

XMA_SAMPLES_PER_SUBFRAME

#define XMA_SAMPLES_PER_SUBFRAME   128u

XMA_SPEAKER_CENTER

#define XMA_SPEAKER_CENTER   0x04

XMA_SPEAKER_LEFT

#define XMA_SPEAKER_LEFT   0x01

XMA_SPEAKER_LEFT_BACK

#define XMA_SPEAKER_LEFT_BACK   0x40

XMA_SPEAKER_LEFT_SURROUND

#define XMA_SPEAKER_LEFT_SURROUND   0x10

XMA_SPEAKER_LFE

#define XMA_SPEAKER_LFE   0x08

XMA_SPEAKER_RIGHT

#define XMA_SPEAKER_RIGHT   0x02

XMA_SPEAKER_RIGHT_BACK

#define XMA_SPEAKER_RIGHT_BACK   0x80

XMA_SPEAKER_RIGHT_SURROUND

#define XMA_SPEAKER_RIGHT_SURROUND   0x20

XMA_WRITEBUFFER_BYTE_ALIGNMENT

#define XMA_WRITEBUFFER_BYTE_ALIGNMENT   256u

XMA_WRITEBUFFER_MAX_BYTES

#define XMA_WRITEBUFFER_MAX_BYTES   (31u * 256u)

XMASWAP2BYTES

#define XMASWAP2BYTES

(

n

)

((WORD)(((n) >> 8) | (((n) & 0xff) << 8)))

XMASWAP4BYTES

#define XMASWAP4BYTES

(

n

)

((DWORD)((n) >> 24 | (n) << 24 | ((n) & 0xff00) << 8 | ((n) & 0xff0000) >> 8))

Typedef Documentation

PXMA2WAVEFORMATEX

typedef struct XMA2WAVEFORMATEX * PXMA2WAVEFORMATEX

XMA2PACKET

typedef struct XMA2PACKET XMA2PACKET

XMA2STREAMFORMAT

typedef struct XMA2STREAMFORMAT XMA2STREAMFORMAT

XMA2WAVEFORMAT

typedef struct XMA2WAVEFORMAT XMA2WAVEFORMAT

XMA2WAVEFORMATEX

typedef struct XMA2WAVEFORMATEX XMA2WAVEFORMATEX

XMASTREAMFORMAT

typedef struct XMASTREAMFORMAT XMASTREAMFORMAT

XMAWAVEFORMAT

typedef struct XMAWAVEFORMAT XMAWAVEFORMAT

Function Documentation

GetLastXmaFrameBitPosition()

__inline DWORD GetLastXmaFrameBitPosition	(	__in_bcount(nXmaDataBytes) const BYTE *	pXmaData,
		DWORD	nXmaDataBytes,
		DWORD	nStreamIndex
	)

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GetStandardChannelMaskFromXmaMask()

__inline DWORD GetStandardChannelMaskFromXmaMask

(

BYTE

bXmaMask

)

GetXmaBlockContainingSample()

__inline HRESULT GetXmaBlockContainingSample	(	DWORD	nBlockCount,
		__in_ecount(nBlockCount) const DWORD *	pSeekTable,
		DWORD	nDesiredSample,
		__out DWORD *	pnBlockContainingSample,
		__out DWORD *	pnSampleOffsetWithinBlock
	)

GetXmaChannelMaskFromStandardMask()

__inline BYTE GetXmaChannelMaskFromStandardMask

(

DWORD

dwStandardMask

)

GetXmaDecodePositionForSample()

__inline HRESULT GetXmaDecodePositionForSample	(	__in_bcount(nXmaDataBytes) const BYTE *	pXmaData,
		DWORD	nXmaDataBytes,
		DWORD	nStreamIndex,
		DWORD	nDesiredSample,
		__out DWORD *	pnBitOffset,
		__out DWORD *	pnSubFrame
	)

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GetXmaFrameBitPosition()

__inline DWORD GetXmaFrameBitPosition	(	__in_bcount(nXmaDataBytes) const BYTE *	pXmaData,
		DWORD	nXmaDataBytes,
		DWORD	nStreamIndex,
		DWORD	nDesiredFrame
	)

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GetXmaFrameLengthInBits()

__inline DWORD GetXmaFrameLengthInBits	(	__in_bcount(nBitPosition/8+3) __in const BYTE *	pPacket,
		DWORD	nBitPosition
	)

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GetXmaPacketFirstFrameOffsetInBits()

__inline DWORD GetXmaPacketFirstFrameOffsetInBits

(

__in_bcount(3) const BYTE *

pPacket

)

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GetXmaPacketFrameCount()

__inline DWORD GetXmaPacketFrameCount

(

__in_bcount(1) const BYTE *

pPacket

)

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GetXmaPacketMetadata()

__inline DWORD GetXmaPacketMetadata

(

__in_bcount(3) const BYTE *

pPacket

)

GetXmaPacketSkipCount()

__inline DWORD GetXmaPacketSkipCount

(

__in_bcount(4) const BYTE *

pPacket

)

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GetXmaSampleRate()

__inline DWORD GetXmaSampleRate

(

DWORD

dwGeneralRate

)

LocalizeXma2Format()

__inline HRESULT LocalizeXma2Format

(

__inout XMA2WAVEFORMATEX *

pXma2Format

)