pa_win_ds.c File Reference

#include <stdio.h>
#include <string.h>
#include "pa_util.h"
#include "pa_allocation.h"
#include "pa_hostapi.h"
#include "pa_stream.h"
#include "pa_cpuload.h"
#include "pa_process.h"
#include "pa_win_ds_dynlink.h"

Data Structures
struct	PaWinDsDeviceInfo
struct	PaWinDsHostApiRepresentation
struct	PaWinDsStream
struct	DSDeviceNameAndGUID
struct	DSDeviceNameAndGUIDVector
Defines
#define	DWORD_PTR   DWORD
#define	PRINT(x)   PA_DEBUG(x);
#define	ERR_RPT(x)   PRINT(x)
#define	DBUG(x)   PRINT(x)
#define	DBUGX(x)   PRINT(x)
#define	PA_USE_HIGH_LATENCY   (0)
#define	PA_WIN_9X_LATENCY   (140)
#define	PA_WIN_NT_LATENCY   (280)
#define	PA_WIN_WDM_LATENCY   (120)
#define	SECONDS_PER_MSEC   (0.001)
#define	MSEC_PER_SECOND   (1000)
#define	PA_DS_SET_LAST_DIRECTSOUND_ERROR(hr)   PaUtil_SetLastHostErrorInfo( paDirectSound, hr, "DirectSound error" )
#define	PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_   (13)
#define	WAVE_FORMAT_48M08   0x00001000
#define	WAVE_FORMAT_48S08   0x00002000
#define	WAVE_FORMAT_48M16   0x00004000
#define	WAVE_FORMAT_48S16   0x00008000
#define	WAVE_FORMAT_96M08   0x00010000
#define	WAVE_FORMAT_96S08   0x00020000
#define	WAVE_FORMAT_96M16   0x00040000
#define	WAVE_FORMAT_96S16   0x00080000
#define	PA_LATENCY_ENV_NAME   ("PA_MIN_LATENCY_MSEC")
#define	PA_ENV_BUF_SIZE   (32)
Functions
PaError	PaWinDs_Initialize (PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index)
Variables
GUID	IID_IRolandVSCEmulated1 = {0xc2ad1800, 0xb243, 0x11ce, 0xa8, 0xa4, 0x00, 0xaa, 0x00, 0x6c, 0x45, 0x01}
GUID	IID_IRolandVSCEmulated2 = {0xc2ad1800, 0xb243, 0x11ce, 0xa8, 0xa4, 0x00, 0xaa, 0x00, 0x6c, 0x45, 0x02}

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Detailed Description

Todo:

implement paInputOverflow callback status flag

Todo:

implement paNeverDropInput.

Todo:

implement host api specific extension to set i/o buffer sizes in frames

Todo:

implement initialisation of PaDeviceInfo default*Latency fields (currently set to 0.)

Todo:

implement ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable

Todo:

audit handling of DirectSound result codes - in many cases we could convert a HRESULT into a native portaudio error code. Standard DirectSound result codes are documented at msdn.

Todo:

implement IsFormatSupported

Todo:

check that CoInitialize() CoUninitialize() are always correctly paired, even in error cases.

Todo:

call PaUtil_SetLastHostErrorInfo with a specific error string (currently just "DSound error").

Todo:

make sure all buffers have been played before stopping the stream when the stream callback returns paComplete

old TODOs from phil, need to work out if these have been done: O- fix "patest_stop.c"

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Define Documentation

#define DBUG

(

x

)

PRINT(x)

#define DBUGX

(

x

)

PRINT(x)

#define DWORD_PTR   DWORD

#define ERR_RPT

(

x

)

PRINT(x)

#define MSEC_PER_SECOND   (1000)

#define PA_DEFAULTSAMPLERATESEARCHORDER_COUNT_   (13)

#define PA_DS_SET_LAST_DIRECTSOUND_ERROR

(

hr

)

PaUtil_SetLastHostErrorInfo( paDirectSound, hr, "DirectSound error" )

#define PA_ENV_BUF_SIZE   (32)

#define PA_LATENCY_ENV_NAME   ("PA_MIN_LATENCY_MSEC")

#define PA_USE_HIGH_LATENCY   (0)

#define PA_WIN_9X_LATENCY   (140)

#define PA_WIN_NT_LATENCY   (280)

#define PA_WIN_WDM_LATENCY   (120)

#define PRINT

(

x

)

PA_DEBUG(x);

#define SECONDS_PER_MSEC   (0.001)

#define WAVE_FORMAT_48M08   0x00001000

#define WAVE_FORMAT_48M16   0x00004000

#define WAVE_FORMAT_48S08   0x00002000

#define WAVE_FORMAT_48S16   0x00008000

#define WAVE_FORMAT_96M08   0x00010000

#define WAVE_FORMAT_96M16   0x00040000

#define WAVE_FORMAT_96S08   0x00020000

#define WAVE_FORMAT_96S16   0x00080000

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Function Documentation

PaError PaWinDs_Initialize	(	PaUtilHostApiRepresentation **	hostApi,
		PaHostApiIndex	index
	)

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Variable Documentation

GUID IID_IRolandVSCEmulated1 = {0xc2ad1800, 0xb243, 0x11ce, 0xa8, 0xa4, 0x00, 0xaa, 0x00, 0x6c, 0x45, 0x01}

GUID IID_IRolandVSCEmulated2 = {0xc2ad1800, 0xb243, 0x11ce, 0xa8, 0xa4, 0x00, 0xaa, 0x00, 0x6c, 0x45, 0x02}

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