858 lines
22 KiB
C++
858 lines
22 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1998 - 1999
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//
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// File: wave.cpp
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//
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//--------------------------------------------------------------------------
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#define DIRECTSOUND_VERSION 0x600
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#include "stdafx.h"
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#include "Direct.h"
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#include "dSound.h"
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#include "dms.h"
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#include <mmreg.h>
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#include <msacm.h>
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// FOURCC codes
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#undef FOURCC_RIFF
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#define FOURCC_RIFF 'FFIR'
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#undef FOURCC_MEM
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#define FOURCC_MEM ' MEM'
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#undef FOURCC_WAVE
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#define FOURCC_WAVE 'EVAW'
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#undef FOURCC_FORMAT
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#define FOURCC_FORMAT ' tmf'
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#undef FOURCC_DATA
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#define FOURCC_DATA 'atad'
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#define RPF(level,str,err) \
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{ char outBuf[MAX_PATH]; \
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wsprintf(outBuf,str,err); \
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OutputDebugString(outBuf); \
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}
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#define DPFLVL_ERROR 1
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/***************************************************************************
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*
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* FillWfx
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*
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* Description:
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* Fills a WAVEFORMATEX structure, given only the necessary values.
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*
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* Arguments:
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* LPWAVEFORMATEX [out]: structure to fill.
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* WORD [in]: number of channels.
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* DWORD [in]: samples per second.
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* WORD [in]: bits per sample.
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*
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* Returns:
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* (void)
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*
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***************************************************************************/
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#undef DPF_FNAME
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void FillWfx(LPWAVEFORMATEX pwfx, WORD wChannels, DWORD dwSamplesPerSec, WORD wBitsPerSample)
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{
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pwfx->wFormatTag = WAVE_FORMAT_PCM;
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pwfx->nChannels = min(2, max(1, wChannels));
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pwfx->nSamplesPerSec = min(DSBFREQUENCY_MAX, max(DSBFREQUENCY_MIN, dwSamplesPerSec));
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if(wBitsPerSample < 12)
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{
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pwfx->wBitsPerSample = 8;
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}
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else
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{
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pwfx->wBitsPerSample = 16;
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}
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pwfx->nBlockAlign = pwfx->nChannels * pwfx->wBitsPerSample / 8;
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pwfx->nAvgBytesPerSec = pwfx->nSamplesPerSec * pwfx->nBlockAlign;
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pwfx->cbSize = 0;
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}
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#if 0
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HRESULT InternalCreateSoundBuffer(LPDSBUFFERDESC pDsbDesc, byte *pbWaveData,DWORD cbWaveData,LPDIRECTSOUND lpDirectSound, LPDIRECTSOUNDBUFFER *lplpDirectSoundBuffer)
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{
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HRESULT hr = DS_OK;
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HACMSTREAM has = NULL;
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BOOL fPrep = FALSE;
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ACMSTREAMHEADER ash;
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DWORD dwBufferBytes;
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LPVOID pvWrite;
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DWORD cbWrite;
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HMMIO hmm = NULL;
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MMRESULT mmr;
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MMIOINFO mmioinfo;
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MMCKINFO ckiRiff;
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MMCKINFO cki;
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LPWAVEFORMATEX pwfxSrcFormat = NULL;
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LPWAVEFORMATEX pwfxDestFormat = NULL;
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BOOL bNULLFORMAT = FALSE;
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ZeroMemory(&mmioinfo, sizeof(mmioinfo));
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if(SUCCEEDED(hr)){
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mmioinfo.fccIOProc = FOURCC_MEM;
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mmioinfo.pchBuffer = (HPSTR)pbWaveData;
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mmioinfo.cchBuffer = cbWaveData;
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hmm = mmioOpen(NULL, &mmioinfo, MMIO_READ);
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if(!hmm)
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{
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DPF1(1, "Unable to open file via MMIO. Error %lu", mmioinfo.wErrorRet);
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hr = E_FAIL;
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}
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}
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// Decend into the RIFF chunk
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if(SUCCEEDED(hr))
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{
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ckiRiff.ckid = FOURCC_RIFF;
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mmr = mmioDescend(hmm, &ckiRiff, NULL, MMIO_FINDCHUNK);
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if(MMSYSERR_NOERROR != mmr)
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{
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DPF1(1, "Unable to descend into RIFF chunk. Error %lu", mmr);
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hr = E_FAIL;
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}
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}
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// Verify that this is a wave file
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if(SUCCEEDED(hr) && FOURCC_WAVE != ckiRiff.fccType)
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{
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DPF1(1, "File is not type WAVE %d",GetLastError());
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hr = DSERR_BADFORMAT;
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}
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// Decend into the format chunk
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if(SUCCEEDED(hr))
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{
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cki.ckid = FOURCC_FORMAT;
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mmr = mmioDescend(hmm, &cki, &ckiRiff, MMIO_FINDCHUNK);
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if(MMSYSERR_NOERROR != mmr)
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{
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DPF1(1, "Unable to descend into format chunk. Error %lu", mmr);
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hr = E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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if(SUCCEEDED(hr))
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{
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pwfxSrcFormat = (LPWAVEFORMATEX)(pbWaveData + cki.dwDataOffset);
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}
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}
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// Ascend out of the format chunk
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if(SUCCEEDED(hr))
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{
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mmr = mmioAscend(hmm, &cki, 0);
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if(MMSYSERR_NOERROR != mmr)
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{
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DPF(1, "Unable to ascend out of format chunk. Error %lu", mmr);
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hr = E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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}
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// Descend into the data chunk
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if(SUCCEEDED(hr))
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{
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cki.ckid = FOURCC_DATA;
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mmr = mmioDescend(hmm, &cki, &ckiRiff, MMIO_FINDCHUNK);
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if(MMSYSERR_NOERROR != mmr)
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{
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RPF(DPFLVL_ERROR, "Unable to descend into data chunk. Error %lu", mmr);
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hr = E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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}
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// Prepare PCM conversion
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if(SUCCEEDED(hr))
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{
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if(WAVE_FORMAT_PCM == pwfxSrcFormat->wFormatTag)
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{
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// Populate the buffer description
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dwBufferBytes = cki.cksize;
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pwfxDestFormat = pwfxSrcFormat;
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}
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else
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{
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// Open an ACM conversion stream
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mmr = acmStreamOpen(&has, NULL, (LPWAVEFORMATEX)pwfxSrcFormat, pwfxDestFormat, NULL, 0, 0, 0);
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if(MMSYSERR_NOERROR != mmr)
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{
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RPF(DPFLVL_ERROR, "Unable to open an ACM stream. Error %lu", mmr);
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hr = E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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// Get the size of the PCM data
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if(SUCCEEDED(hr))
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{
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mmr = acmStreamSize(has, cki.cksize, &dwBufferBytes, ACM_STREAMSIZEF_SOURCE);
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if(MMSYSERR_NOERROR != mmr)
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{
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RPF(DPFLVL_ERROR, "Unable to determine converted data size. Error %lu", mmr);
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hr = E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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}
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// Create the destination format
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if(SUCCEEDED(hr))
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{
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pwfxDestFormat = (WAVEFORMATEX*)malloc(sizeof(WAVEFORMATEX));
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if (pwfxDestFormat==NULL) hr=E_OUTOFMEMORY;
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}
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if(SUCCEEDED(hr))
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{
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FillWfx(pwfxDestFormat, pwfxSrcFormat->nChannels, pwfxSrcFormat->nSamplesPerSec, pwfxSrcFormat->wBitsPerSample);
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}
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}
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}
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LPDIRECTSOUNDBUFFER lpDirectSoundBuffer=NULL;
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if(SUCCEEDED(hr))
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{
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//hr = InitializeEmpty(pDsbDesc->dwFlags, dwBufferBytes, pwfxDestFormat, NULL);
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pDsbDesc->dwBufferBytes=dwBufferBytes;
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if (pDsbDesc->lpwfxFormat){
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memcpy(pDsbDesc->lpwfxFormat,pwfxDestFormat,sizeof(WAVEFORMATEX));
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}
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else {
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pDsbDesc->lpwfxFormat=pwfxDestFormat;
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}
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hr=lpDirectSound->CreateSoundBuffer(pDsbDesc,lplpDirectSoundBuffer,NULL);
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if (*lplpDirectSoundBuffer==NULL) hr= E_FAIL;
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lpDirectSoundBuffer=*lplpDirectSoundBuffer;
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}
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// Lock the buffer in order to write the PCM data to it
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if(SUCCEEDED(hr))
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{
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hr = lpDirectSoundBuffer->Lock(0, dwBufferBytes, &pvWrite, &cbWrite, NULL, NULL,0);
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}
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// Convert to PCM
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if(SUCCEEDED(hr))
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{
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if(WAVE_FORMAT_PCM == pwfxSrcFormat->wFormatTag)
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{
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CopyMemory(pvWrite, pbWaveData + cki.dwDataOffset, cbWrite);
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}
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else
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{
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// Prepare the conversion header
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ZeroMemory(&ash, sizeof(ash));
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ash.cbStruct = sizeof(ash);
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ash.pbSrc = pbWaveData + cki.dwDataOffset;
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ash.cbSrcLength = cki.cksize;
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ash.pbDst = (LPBYTE)pvWrite;
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ash.cbDstLength = cbWrite;
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mmr = acmStreamPrepareHeader(has, &ash, 0);
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if(MMSYSERR_NOERROR != mmr)
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{
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RPF(DPFLVL_ERROR, "Unable to prepare ACM stream header. Error %lu", mmr);
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hr = E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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fPrep = SUCCEEDED(hr);
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// Convert the buffer
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if(SUCCEEDED(hr))
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{
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mmr = acmStreamConvert(has, &ash, 0);
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if(MMSYSERR_NOERROR != mmr)
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{
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RPF(DPFLVL_ERROR, "Unable to convert wave data. Error %lu", mmr);
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hr = E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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}
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}
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}
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// Unlock the buffer
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if(SUCCEEDED(hr))
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{
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hr = lpDirectSoundBuffer->Unlock(pvWrite, cbWrite, NULL, 0);
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}
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// Clean up
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if(fPrep)
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{
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acmStreamUnprepareHeader(has, &ash, 0);
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}
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if(has)
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{
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acmStreamClose(has, 0);
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}
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if(hmm)
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{
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mmioClose(hmm, 0);
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}
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if(pwfxDestFormat != pwfxSrcFormat)
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{
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free(pwfxDestFormat);
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}
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return hr;
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}
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#endif
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///////////////////////////////////////////////////////////////////////////////////////////
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HRESULT InternalCreateSoundBuffer(LPDSBUFFERDESC pDsbDesc, byte *pbWaveData, DWORD cbWaveData,LPDIRECTSOUND lpDirectSound, LPDIRECTSOUNDBUFFER *lplpDirectSoundBuffer)
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{
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HRESULT hr = DS_OK;
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HACMSTREAM has = NULL;
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BOOL fPrep = FALSE;
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DWORD dwBufferBytes = 0;
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LPVOID pvWrite = NULL;
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DWORD cbWrite = 0;
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LPWAVEFORMATEX pwfxFormat = NULL;
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LPWAVEFORMATEX pwfxSrcFormat = NULL;
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LPWAVEFORMATEX pwfxDestFormat = NULL;
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MMRESULT mmr = 0;
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DWORD dwDataLength = 0;
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DWORD dwOffset = 0;
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char *pChunk = NULL;
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LPDIRECTSOUNDBUFFER lpDirectSoundBuffer = NULL;
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ACMSTREAMHEADER ash;
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BOOL bNULLFORMAT =FALSE;
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BOOL bDirty =FALSE;
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struct tag_FileHeader
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{
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DWORD dwRiff;
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DWORD dwFileSize;
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DWORD dwWave;
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DWORD dwFormat;
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DWORD dwFormatLength;
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} FileHeader;
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ZeroMemory(&FileHeader,sizeof(struct tag_FileHeader));
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// If our file is big enough to have a header copy it over
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// other wise error out
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if (cbWaveData>sizeof(struct tag_FileHeader))
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{
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memcpy(&FileHeader,pbWaveData,sizeof(struct tag_FileHeader));
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}
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else
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{
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hr= E_INVALIDARG;
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}
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// File must be a riff file ( 52 R, 49 I, 46 F, 46 F)
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if (FileHeader.dwRiff != 0x46464952)
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{
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DPF(1, "DXVB: not a RIFF file\n");
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return E_INVALIDARG;
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}
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// must be a WAVE format ( 57 W, 41 A, 56 V, 45 E )
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if (FileHeader.dwWave != 0x45564157)
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{
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DPF(1, "DXVB: not a WAVE file\n");
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return E_INVALIDARG;
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}
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// check for odd stuff
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// note 18bytes is a typical WAVEFORMATEX
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if (FileHeader.dwFormatLength <= 14) return E_INVALIDARG;
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if (FileHeader.dwFormatLength > 1000) return E_INVALIDARG;
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//allocate the waveformat
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pwfxFormat=(WAVEFORMATEX*)alloca(FileHeader.dwFormatLength);
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if (!pwfxFormat) return E_OUTOFMEMORY;
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//copy it to our own data structure
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pChunk=(char*)(pbWaveData+sizeof (struct tag_FileHeader));
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memcpy(pwfxFormat,pChunk,FileHeader.dwFormatLength);
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// Now look for the next chunk after the WaveFormat
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pChunk=(char*)(pChunk+FileHeader.dwFormatLength);
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// Look for option FACT chunk and skip it
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// (66 F, 61 A, 63 C, 74 T)
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// this chunk is required for compressed wave files
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// but is optional for PCM
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//
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if ( ((DWORD*)pChunk)[0]==0x74636166)
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{
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dwOffset=((DWORD*)pChunk)[1];
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dwBufferBytes=((DWORD*)pChunk)[2]; //number of bytes of PCM data
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pChunk =(char*)(pChunk+ dwOffset+8);
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}
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//Look for required data chunk
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// (64 D, 61 A, 74 T, 61 A)
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if (((DWORD*)pChunk)[0]!=0x61746164)
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{
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DPF(1, "DXVB: no DATA chunk in wave file\n");
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return E_INVALIDARG;
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}
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dwDataLength=((DWORD*)pChunk)[1];
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pChunk=(char*)(pChunk+8);
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//IF we assume PCM
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//pcm files are not required to have their fact chunk
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//so be ware they may missreport the data length
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dwBufferBytes=dwDataLength;
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pwfxDestFormat=pwfxSrcFormat=pwfxFormat;
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// if we are not PCM then we need to do some things first
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if (pwfxFormat->wFormatTag!=WAVE_FORMAT_PCM)
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{
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// source format is from the file
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pwfxSrcFormat=pwfxFormat; //from file
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pwfxDestFormat=pDsbDesc->lpwfxFormat ; //from user
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//pick the format of the file passed in
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FillWfx(pwfxDestFormat, pwfxSrcFormat->nChannels, pwfxSrcFormat->nSamplesPerSec, pwfxSrcFormat->wBitsPerSample);
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// Open an ACM conversion stream
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mmr = acmStreamOpen(&has, NULL, (LPWAVEFORMATEX)pwfxSrcFormat, pwfxDestFormat, NULL, 0, 0, ACM_STREAMOPENF_NONREALTIME );
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if(MMSYSERR_NOERROR != mmr)
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{
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DPF1(1, "Unable to open an ACM stream. Error %lu\n", mmr);
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return E_FAIL;
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}
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// Get the size of the PCM data
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mmr = acmStreamSize(has, dwDataLength, &dwBufferBytes, ACM_STREAMSIZEF_SOURCE);
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if(MMSYSERR_NOERROR != mmr)
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{
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DPF1(1, "Unable to determine converted data size. Error %lu\n", mmr);
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return E_FAIL; //MMRESULTtoHRESULT(mmr);
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}
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// Allocate a DestFormat struct
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//pwfxDestFormat = (WAVEFORMATEX*)alloca(sizeof(WAVEFORMATEX));
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//if (!pwfxDestFormat) return E_OUTOFMEMORY;
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// Fill the format with information from the source but
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// FillWfx sets the format to PCM
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//FillWfx(pwfxDestFormat, pwfxSrcFormat->nChannels, pwfxSrcFormat->nSamplesPerSec, pwfxSrcFormat->wBitsPerSample);
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}
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// fill the buffer desc the user passed in with the buffer bytes
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// this is the number of PCM bytes
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pDsbDesc->dwBufferBytes=dwBufferBytes;
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// if they provide us a pointer to a waveformatex
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// copy over the format to the input desc and use it
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// otherwise have it point to our data format temprarily
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if (pDsbDesc->lpwfxFormat){
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memcpy(pDsbDesc->lpwfxFormat,pwfxDestFormat,sizeof(WAVEFORMATEX));
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}
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else {
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pDsbDesc->lpwfxFormat=pwfxDestFormat;
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//make sure we null out the format before passing it back to the user
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//NOTE: consider the problems in a multithreaded enviroment
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//where the users data structures are being accesed by multiple
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//threads... on the other hand if thats going on..
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//then the user would need to syncronize things on his or her own
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//for everything else including calling into apis that fill structures..
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bNULLFORMAT=TRUE;
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}
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// Create the buffer
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hr=lpDirectSound->CreateSoundBuffer(pDsbDesc,lplpDirectSoundBuffer,NULL);
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if FAILED(hr) return hr;
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if (*lplpDirectSoundBuffer==NULL) return E_FAIL; //todo ASSERT this instead..
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// for more convenient referencing...
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lpDirectSoundBuffer=*lplpDirectSoundBuffer;
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// Lock the buffer in order to write the PCM data to it
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// cbWrite will contain the number of locked bytes
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hr = lpDirectSoundBuffer->Lock(0, dwBufferBytes, &pvWrite, &cbWrite, NULL, NULL,0);
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if FAILED(hr) return hr;
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// If the sorce format was pcm then copy from the file to the buffer
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if(WAVE_FORMAT_PCM == pwfxSrcFormat->wFormatTag)
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{
|
|
CopyMemory(pvWrite, pChunk, cbWrite);
|
|
|
|
|
|
// Unlock the buffer
|
|
hr = lpDirectSoundBuffer->Unlock(pvWrite, cbWrite, NULL, 0);
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
DPF(1, "DXVB: lpDirectSoundBuffer->Unlock failed.. \n");
|
|
return hr;
|
|
}
|
|
|
|
}
|
|
|
|
// if the source format is compressed then convert first then copy
|
|
else
|
|
{
|
|
// Prepare the conversion header
|
|
ZeroMemory(&ash, sizeof(ash));
|
|
|
|
ash.cbStruct = sizeof(ash);
|
|
ash.pbSrc = (unsigned char*)pChunk; //start of compressed data
|
|
ash.cbSrcLength = dwDataLength; //number of bytes of compressed data
|
|
ash.pbDst = (LPBYTE)pvWrite; //where to put the decompressed data
|
|
ash.cbDstLength = cbWrite; //how big is that buffer
|
|
|
|
mmr = acmStreamPrepareHeader(has, &ash, 0);
|
|
|
|
if(MMSYSERR_NOERROR != mmr)
|
|
{
|
|
DPF1(1, "DXVB: Unable to prepare ACM stream header. Error %lu \n", mmr);
|
|
return E_FAIL;
|
|
}
|
|
|
|
|
|
mmr = acmStreamConvert(has, &ash, 0);
|
|
|
|
if(MMSYSERR_NOERROR != mmr)
|
|
{
|
|
DPF1(1, "DXVB: Unable to convert wave data. Error %lu \n", mmr);
|
|
return hr;
|
|
}
|
|
|
|
// Unlock the buffer
|
|
hr = lpDirectSoundBuffer->Unlock(pvWrite, cbWrite, NULL, 0);
|
|
if (FAILED(hr))
|
|
{
|
|
DPF(1, "DXVB: lpDirectSoundBuffer->Unlock failed.. \n");
|
|
return hr;
|
|
}
|
|
|
|
acmStreamUnprepareHeader(has, &ash, 0);
|
|
acmStreamClose(has, 0);
|
|
}
|
|
|
|
|
|
if (bNULLFORMAT){
|
|
pDsbDesc->lpwfxFormat=NULL;
|
|
}
|
|
|
|
return hr;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
HRESULT InternalCreateSoundBufferFromFile(LPDIRECTSOUND lpDirectSound,LPDSBUFFERDESC pDesc,WCHAR *file,LPDIRECTSOUNDBUFFER *lplpDirectSoundBuffer)
|
|
{
|
|
HRESULT hr=S_OK;
|
|
HANDLE hFile = NULL;
|
|
HANDLE hFileMapping = NULL;
|
|
DWORD cbWaveData;
|
|
LPBYTE pbWaveData = NULL;
|
|
|
|
#pragma message("CreateFileW should be used for localization why wont it work")
|
|
//hFile = CreateFileW(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL);
|
|
|
|
USES_CONVERSION;
|
|
LPSTR pStrA=W2T(file);
|
|
|
|
if (!pStrA) return E_INVALIDARG;
|
|
hFile = CreateFileA(pStrA, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL);
|
|
|
|
if(INVALID_HANDLE_VALUE == hFile)
|
|
{
|
|
hFile = NULL;
|
|
}
|
|
|
|
if(!hFile)
|
|
{
|
|
RPF(DPFLVL_ERROR, "Unable to open file. Error %lu", GetLastError());
|
|
hr=STG_E_FILENOTFOUND;
|
|
return hr;
|
|
}
|
|
|
|
if(hFile)
|
|
{
|
|
cbWaveData = GetFileSize(hFile, NULL);
|
|
|
|
if(-1 == cbWaveData)
|
|
{
|
|
RPF(DPFLVL_ERROR, "Unable to get file size. Error %lu", GetLastError());
|
|
hr = E_FAIL; //DSERR_FILEREADFAULT;
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
hFileMapping = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, cbWaveData, NULL);
|
|
|
|
if(INVALID_HANDLE_VALUE == hFileMapping)
|
|
{
|
|
hFileMapping = NULL;
|
|
}
|
|
|
|
if(!hFileMapping)
|
|
{
|
|
RPF(DPFLVL_ERROR, "Unable to create file mapping. Error %lu", GetLastError());
|
|
hr = E_FAIL; //DSERR_FILEREADFAULT;
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
pbWaveData = (LPBYTE)MapViewOfFile(hFileMapping, FILE_MAP_READ, 0, 0, cbWaveData);
|
|
|
|
if(!pbWaveData)
|
|
{
|
|
RPF(DPFLVL_ERROR, "Unable to map view of file. Error %lu", GetLastError());
|
|
hr = E_FAIL; //DSERR_FILEREADFAULT;
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hr)) {
|
|
hr=InternalCreateSoundBuffer(pDesc, pbWaveData, cbWaveData,lpDirectSound, lplpDirectSoundBuffer);
|
|
}
|
|
|
|
if(pbWaveData)
|
|
{
|
|
UnmapViewOfFile(pbWaveData);
|
|
}
|
|
|
|
if(hFileMapping)
|
|
{
|
|
CloseHandle(hFileMapping);
|
|
}
|
|
|
|
if(hFile)
|
|
{
|
|
CloseHandle(hFile);
|
|
}
|
|
|
|
|
|
return hr;
|
|
|
|
|
|
}
|
|
|
|
HRESULT InternalCreateSoundBufferFromResource(LPDIRECTSOUND lpDirectSound,LPDSBUFFERDESC pDesc,HANDLE resHandle,WCHAR *resName,LPDIRECTSOUNDBUFFER *lplpDirectSoundBuffer)
|
|
{
|
|
const LPCSTR apszResourceTypeA[] = { "WAVE", "WAV" };
|
|
const LPCWSTR apszResourceTypeW[] = { L"WAVE", L"WAV" };
|
|
UINT cResourceType = 2;
|
|
HRSRC hRsrc = NULL;
|
|
DWORD cbWaveData;
|
|
LPBYTE pbWaveData = NULL;
|
|
HRESULT hr=S_OK;
|
|
|
|
LPCDSBUFFERDESC pDsbDesc=pDesc;
|
|
|
|
|
|
while(!hRsrc && cResourceType--)
|
|
{
|
|
hRsrc = FindResourceW((HINSTANCE)resHandle, resName, apszResourceTypeW[cResourceType]);
|
|
}
|
|
|
|
if(!hRsrc)
|
|
{
|
|
RPF(DPFLVL_ERROR,"Unable to find resource. Error %lu", GetLastError());
|
|
hr = STG_E_FILENOTFOUND;
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
cbWaveData = SizeofResource((HINSTANCE)resHandle, hRsrc);
|
|
if(!cbWaveData)
|
|
{
|
|
|
|
RPF(DPFLVL_ERROR, "Unable to get resource size. Error %lu", GetLastError());
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
pbWaveData = (LPBYTE)LoadResource((HINSTANCE)resHandle, hRsrc);
|
|
if(!pbWaveData)
|
|
{
|
|
RPF(DPFLVL_ERROR, "Unable to load resource. Error %lu", GetLastError());
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hr)) {
|
|
hr=InternalCreateSoundBuffer(pDesc, pbWaveData, cbWaveData,lpDirectSound, lplpDirectSoundBuffer);
|
|
}
|
|
|
|
//loadResource
|
|
return hr;
|
|
}
|
|
|
|
|
|
|
|
|
|
HRESULT InternalSaveToFile(IDirectSoundBuffer *pBuff,BSTR file)
|
|
{
|
|
WAVEFORMATEX waveFormat;
|
|
DWORD dwWritten=0;
|
|
DWORD dwBytes=0;
|
|
LPBYTE lpByte=NULL;
|
|
HRESULT hr;
|
|
HANDLE hFile=NULL;
|
|
|
|
if (!pBuff) return E_FAIL;
|
|
if (!file) return E_INVALIDARG;
|
|
|
|
|
|
pBuff->GetFormat(&waveFormat,sizeof(WAVEFORMATEX),NULL);
|
|
|
|
|
|
|
|
|
|
USES_CONVERSION;
|
|
LPSTR pStrA=W2T(file);
|
|
|
|
hFile = CreateFile
|
|
(
|
|
pStrA,
|
|
GENERIC_WRITE,
|
|
0,
|
|
NULL,
|
|
CREATE_ALWAYS,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
NULL
|
|
);
|
|
if (INVALID_HANDLE_VALUE != hFile)
|
|
{
|
|
|
|
struct tag_FileHeader
|
|
{
|
|
DWORD dwRiff;
|
|
DWORD dwFileSize;
|
|
DWORD dwWave;
|
|
DWORD dwFormat;
|
|
DWORD dwFormatLength;
|
|
WORD wFormatTag;
|
|
WORD nChannels;
|
|
DWORD nSamplesPerSec;
|
|
DWORD nAvgBytesPerSec;
|
|
WORD nBlockAlign;
|
|
WORD wBitsPerSample;
|
|
DWORD dwData;
|
|
DWORD dwDataLength;
|
|
} FileHeader;
|
|
|
|
hr=pBuff->Lock(0,0,(void**)&lpByte,&dwBytes,NULL,NULL,DSBLOCK_ENTIREBUFFER);
|
|
if FAILED(hr) {
|
|
CloseHandle(hFile);
|
|
return hr;
|
|
}
|
|
|
|
FileHeader.dwRiff = 0x46464952; // RIFF
|
|
FileHeader.dwWave = 0x45564157; // WAVE
|
|
FileHeader.dwFormat = 0x20746D66; // fmt_chnk
|
|
FileHeader.dwFormatLength = 16;
|
|
FileHeader.wFormatTag = WAVE_FORMAT_PCM;
|
|
FileHeader.nChannels = waveFormat.nChannels ;
|
|
FileHeader.nSamplesPerSec = waveFormat.nSamplesPerSec ;
|
|
FileHeader.wBitsPerSample = waveFormat.wBitsPerSample ;
|
|
FileHeader.nBlockAlign = FileHeader.wBitsPerSample / 8 * FileHeader.nChannels;
|
|
FileHeader.nAvgBytesPerSec = FileHeader.nSamplesPerSec * FileHeader.nBlockAlign;
|
|
FileHeader.dwData = 0x61746164; // data_chnk
|
|
FileHeader.dwDataLength = dwBytes;
|
|
FileHeader.dwFileSize = dwBytes + sizeof(FileHeader);
|
|
|
|
|
|
WriteFile(hFile, &FileHeader, sizeof(FileHeader), &dwWritten, NULL);
|
|
|
|
|
|
WriteFile(hFile, lpByte, dwBytes, &dwWritten, NULL);
|
|
|
|
hr=pBuff->Unlock(lpByte,0,NULL,0);
|
|
|
|
CloseHandle(hFile);
|
|
}
|
|
else{
|
|
return E_FAIL;
|
|
}
|
|
|
|
|
|
return S_OK;
|
|
} |