204 lines
6.9 KiB
C
204 lines
6.9 KiB
C
|
//==========================================================================
|
|||
|
|
//
|
|||
|
|
// lhacm.h
|
|||
|
|
//
|
|||
|
|
// Copyright (c) 1992 - 1996 Microsoft Corporation. All Rights Reserved.
|
|||
|
|
//
|
|||
|
|
//==========================================================================
|
|||
|
|
|
|||
|
|
|
|||
|
|
#ifndef _LHACM_H_
|
|||
|
|
#define _LHACM_H_
|
|||
|
|
|
|||
|
|
#define _T(s) __TEXT (s)
|
|||
|
|
#define TRACE_FUN
|
|||
|
|
|
|||
|
|
#ifdef DEBUG
|
|||
|
|
#ifndef _DEBUG
|
|||
|
|
#define _DEBUG
|
|||
|
|
#endif
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#ifdef _DEBUG
|
|||
|
|
#include <assert.h>
|
|||
|
|
#ifdef TRACE_FUN
|
|||
|
|
#define FUNCTION_ENTRY(s) \
|
|||
|
|
static TCHAR _szFunName_[] = _T ("LH::") _T (s); \
|
|||
|
|
MyDbgPrintf (_T ("%s\r\n"), (LPTSTR) _szFunName_);
|
|||
|
|
#else
|
|||
|
|
#define FUNCTION_ENTRY(s) \
|
|||
|
|
static TCHAR _szFunName_[] = _T (s);
|
|||
|
|
#endif
|
|||
|
|
#define SZFN ((LPTSTR) _szFunName_)
|
|||
|
|
#define DBGMSG(z,s) ((z) ? (MyDbgPrintf s) : 0);
|
|||
|
|
#else
|
|||
|
|
#define FUNCTION_ENTRY(s)
|
|||
|
|
#define SZFN
|
|||
|
|
#define DBGMSG(z,s)
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#define SIZEOFACMSTR(x) (sizeof(x)/sizeof(WCHAR))
|
|||
|
|
|
|||
|
|
void FAR CDECL MyDbgPrintf ( LPTSTR lpszFormat, ... );
|
|||
|
|
|
|||
|
|
//==========================================================================;
|
|||
|
|
//
|
|||
|
|
// Version info
|
|||
|
|
//
|
|||
|
|
//==========================================================================;
|
|||
|
|
|
|||
|
|
// !!! Need to assign a WAVE_FORMAT tag to the codec
|
|||
|
|
|
|||
|
|
#include "temp.h" // from common\h\temp.h
|
|||
|
|
|
|||
|
|
//Use CELP on _x86_ but not Alpha
|
|||
|
|
#ifndef _ALPHA_
|
|||
|
|
#define CELP4800
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#define VERSION_ACM_DRIVER MAKE_ACM_VERSION(1, 0, 1)
|
|||
|
|
#define VERSION_MSACM MAKE_ACM_VERSION(2, 1, 0)
|
|||
|
|
|
|||
|
|
// !!! Need to assign valid MID and PID
|
|||
|
|
|
|||
|
|
#define MM_ACM_MID_LH MM_MICROSOFT
|
|||
|
|
#define MM_ACM_PID_LH 90
|
|||
|
|
|
|||
|
|
// !!! need to assign IDs
|
|||
|
|
|
|||
|
|
#define MM_LERNOUTHAUSPIE_ACM_CELP 0x70
|
|||
|
|
#define MM_LERNOUTHAUSPIE_ACM_SB8 0x71
|
|||
|
|
#define MM_LERNOUTHAUSPIE_ACM_SB12 0x72
|
|||
|
|
#define MM_LERNOUTHAUSPIE_ACM_SB16 0x73
|
|||
|
|
|
|||
|
|
|
|||
|
|
//==========================================================================;
|
|||
|
|
//
|
|||
|
|
// Helper routines
|
|||
|
|
//
|
|||
|
|
//==========================================================================;
|
|||
|
|
|
|||
|
|
#define SIZEOF_ARRAY(ar) (sizeof(ar)/sizeof((ar)[0]))
|
|||
|
|
|
|||
|
|
#define PCM_BLOCKALIGNMENT(pwfx) (UINT)(((pwfx)->wBitsPerSample >> 3) << ((pwfx)->nChannels >> 1))
|
|||
|
|
#define PCM_AVGBYTESPERSEC(pwfx) (DWORD)((pwfx)->nSamplesPerSec * (pwfx)->nBlockAlign)
|
|||
|
|
#define PCM_BYTESTOSAMPLES(pwfx, cb) (DWORD)(cb / PCM_BLOCKALIGNMENT(pwfx))
|
|||
|
|
#define PCM_SAMPLESTOBYTES(pwfx, dw) (DWORD)(dw * PCM_BLOCKALIGNMENT(pwfx))
|
|||
|
|
|
|||
|
|
|
|||
|
|
// !!! need defines for all four l&h codecs
|
|||
|
|
|
|||
|
|
#define LH_BITSPERSAMPLE 16
|
|||
|
|
#define LH_SAMPLESPERSEC 8000
|
|||
|
|
|
|||
|
|
#define LH_PCM_SAMPLESPERSEC LH_SAMPLESPERSEC
|
|||
|
|
#define LH_PCM_BITSPERSAMPLE LH_BITSPERSAMPLE
|
|||
|
|
|
|||
|
|
#ifdef CELP4800
|
|||
|
|
#define LH_CELP_SAMPLESPERSEC LH_SAMPLESPERSEC
|
|||
|
|
#define LH_CELP_BITSPERSAMPLE LH_BITSPERSAMPLE
|
|||
|
|
#define LH_CELP_BLOCKALIGNMENT 2
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#define LH_SB8_SAMPLESPERSEC LH_SAMPLESPERSEC
|
|||
|
|
#define LH_SB8_BITSPERSAMPLE LH_BITSPERSAMPLE
|
|||
|
|
#define LH_SB8_BLOCKALIGNMENT 2
|
|||
|
|
|
|||
|
|
#define LH_SB12_SAMPLESPERSEC LH_SAMPLESPERSEC
|
|||
|
|
#define LH_SB12_BITSPERSAMPLE LH_BITSPERSAMPLE
|
|||
|
|
#define LH_SB12_BLOCKALIGNMENT 2
|
|||
|
|
|
|||
|
|
#define LH_SB16_SAMPLESPERSEC LH_SAMPLESPERSEC
|
|||
|
|
#define LH_SB16_BITSPERSAMPLE LH_BITSPERSAMPLE
|
|||
|
|
#define LH_SB16_BLOCKALIGNMENT 2
|
|||
|
|
|
|||
|
|
// !!! l&h probably does not need an extended header...tbd
|
|||
|
|
// lonchanc: we don't need an extended header
|
|||
|
|
// because we will use separate wave format tags for
|
|||
|
|
// different coding techniques.
|
|||
|
|
|
|||
|
|
//==========================================================================;
|
|||
|
|
//
|
|||
|
|
// Supported configurations
|
|||
|
|
//
|
|||
|
|
//==========================================================================;
|
|||
|
|
|
|||
|
|
#define LH_MAX_CHANNELS 1
|
|||
|
|
|
|||
|
|
|
|||
|
|
//==========================================================================;
|
|||
|
|
//
|
|||
|
|
// Global storage and defs
|
|||
|
|
//
|
|||
|
|
//==========================================================================;
|
|||
|
|
|
|||
|
|
typedef HANDLE (LH_SUFFIX * PFN_OPEN) ( void );
|
|||
|
|
typedef LH_ERRCODE (LH_SUFFIX * PFN_CONVERT) ( HANDLE, LPBYTE, LPWORD, LPBYTE, LPWORD );
|
|||
|
|
typedef LH_ERRCODE (LH_SUFFIX * PFN_CLOSE) ( HANDLE );
|
|||
|
|
|
|||
|
|
|
|||
|
|
typedef struct tagCODECDATA
|
|||
|
|
{
|
|||
|
|
DWORD wFormatTag;
|
|||
|
|
CODECINFO CodecInfo;
|
|||
|
|
}
|
|||
|
|
CODECDATA, *PCODECDATA;
|
|||
|
|
|
|||
|
|
|
|||
|
|
typedef struct tagSTREAMINSTANCEDATA
|
|||
|
|
{
|
|||
|
|
BOOL fInit; // TRUE if this stream has been initialized
|
|||
|
|
BOOL fCompress; // TRUE if we're compressing
|
|||
|
|
HANDLE hAccess;
|
|||
|
|
PCODECDATA pCodecData; // shortcut to instance data's celp, sb8, sb12, or sb16.
|
|||
|
|
PFN_CONVERT pfnConvert; // pointer to the encoder/decoder function
|
|||
|
|
PFN_CLOSE pfnClose; // pointer to the close function
|
|||
|
|
DWORD dwMaxBitRate; // bit rate of the codec
|
|||
|
|
WORD cbData; // valid data
|
|||
|
|
BYTE Data[2]; // max size is wCodedBufferSize
|
|||
|
|
}
|
|||
|
|
STREAMINSTANCEDATA, FAR *PSTREAMINSTANCEDATA;
|
|||
|
|
|
|||
|
|
|
|||
|
|
typedef struct tagINSTANCEDATA
|
|||
|
|
{
|
|||
|
|
WORD cbStruct;
|
|||
|
|
BOOL fInit;
|
|||
|
|
HINSTANCE hInst;
|
|||
|
|
CODECDATA CELP;
|
|||
|
|
CODECDATA SB8;
|
|||
|
|
CODECDATA SB12;
|
|||
|
|
CODECDATA SB16;
|
|||
|
|
WORD wPacketData;// packet by packet audio data (decoding only)
|
|||
|
|
}
|
|||
|
|
INSTANCEDATA, *PINSTANCEDATA;
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
//==========================================================================;
|
|||
|
|
//
|
|||
|
|
// Function prototypes
|
|||
|
|
//
|
|||
|
|
//==========================================================================;
|
|||
|
|
|
|||
|
|
BOOL pcmIsValidFormat( LPWAVEFORMATEX pwfx );
|
|||
|
|
BOOL lhacmIsValidFormat( LPWAVEFORMATEX pwfx, PINSTANCEDATA pid );
|
|||
|
|
BOOL CALLBACK DlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);
|
|||
|
|
LRESULT FAR PASCAL acmdDriverOpen( HDRVR hdrvr, LPACMDRVOPENDESC paod );
|
|||
|
|
LRESULT FAR PASCAL acmdDriverClose( PINSTANCEDATA pid );
|
|||
|
|
LRESULT FAR PASCAL acmdDriverConfigure( PINSTANCEDATA pid, HWND hwnd, LPDRVCONFIGINFO pdci );
|
|||
|
|
LRESULT FAR PASCAL acmdDriverDetails( PINSTANCEDATA pid, LPACMDRIVERDETAILS padd );
|
|||
|
|
LRESULT FAR PASCAL acmdDriverAbout( PINSTANCEDATA pid, HWND hwnd );
|
|||
|
|
LRESULT FAR PASCAL acmdFormatSuggest( PINSTANCEDATA pid, LPACMDRVFORMATSUGGEST padfs );
|
|||
|
|
LRESULT FAR PASCAL acmdFormatTagDetails( PINSTANCEDATA pid, LPACMFORMATTAGDETAILS padft, DWORD fdwDetails );
|
|||
|
|
LRESULT FAR PASCAL acmdFormatDetails( PINSTANCEDATA pid, LPACMFORMATDETAILS padf, DWORD fdwDetails );
|
|||
|
|
LRESULT FAR PASCAL acmdStreamOpen( PINSTANCEDATA pid, LPACMDRVSTREAMINSTANCE padsi );
|
|||
|
|
LRESULT FAR PASCAL acmdStreamClose( PINSTANCEDATA pid, LPACMDRVSTREAMINSTANCE padsi );
|
|||
|
|
LRESULT FAR PASCAL acmdStreamSize( LPACMDRVSTREAMINSTANCE padsi, LPACMDRVSTREAMSIZE padss );
|
|||
|
|
LRESULT FAR PASCAL acmdStreamConvert( PINSTANCEDATA pid, LPACMDRVSTREAMINSTANCE padsi, LPACMDRVSTREAMHEADER padsh );
|
|||
|
|
LRESULT CALLBACK DriverProc(DWORD_PTR dwId, HDRVR hdrvr, UINT uMsg, LPARAM lParam1, LPARAM lParam2 );
|
|||
|
|
|
|||
|
|
|
|||
|
|
#endif // _LHACM_H_
|
|||
|
|
|
|||
|
|
|