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Some code cleanups. 

Better error handling.
Removed unneeded internal variables.
This commit is contained in:
Eric Pouech 2003-01-11 22:47:21 +00:00 committed by Alexandre Julliard
parent 04d5963871
commit e8a7ad3040
1 changed files with 49 additions and 45 deletions
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94
dlls/winmm/mciwave/mciwave.c
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@ -45,7 +45,6 @@ typedef struct {
BOOL fInput; /* FALSE = Output, TRUE = Input */
volatile WORD dwStatus; /* one from MCI_MODE_xxxx */
DWORD dwMciTimeFormat;/* One of the supported MCI_FORMAT_xxxx */
DWORD dwRemaining; /* remaining bytes to play or record */
DWORD dwPosition; /* position in bytes in chunk */
HANDLE hEvent; /* for synchronization */
DWORD dwEventCount; /* for synchronization */
@ -251,6 +250,7 @@ static DWORD WAVE_mciReadFmt(WINE_MCIWAVE* wmw, MMCKINFO* pckMainRIFF)
(LPSTR)&mmckInfo.ckid, (LPSTR)&mmckInfo.fccType, mmckInfo.cksize);
wmw->lpWaveFormat = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
if (!wmw->lpWaveFormat) return MMSYSERR_NOMEM;
r = mmioRead(wmw->hFile, (HPSTR)wmw->lpWaveFormat, mmckInfo.cksize);
if (r < sizeof(WAVEFORMAT))
return MCIERR_INVALID_FILE;
@ -284,45 +284,41 @@ static DWORD WAVE_mciReadFmt(WINE_MCIWAVE* wmw, MMCKINFO* pckMainRIFF)
static DWORD WAVE_mciCreateRIFFSkeleton(WINE_MCIWAVE* wmw)
{
MMCKINFO ckWaveFormat;
LPMMCKINFO lpckRIFF = &(wmw->ckMainRIFF);
LPMMCKINFO lpckWaveData = &(wmw->ckWaveData);
LPWAVEFORMATEX lpWaveFormat = wmw->lpWaveFormat;
HMMIO hmmio = wmw->hFile;
LPMMCKINFO lpckRIFF = &(wmw->ckMainRIFF);
LPMMCKINFO lpckWaveData = &(wmw->ckWaveData);
lpckRIFF->ckid = FOURCC_RIFF;
lpckRIFF->fccType = mmioFOURCC('W', 'A', 'V', 'E');
lpckRIFF->cksize = 0;
if (MMSYSERR_NOERROR != mmioCreateChunk(hmmio, lpckRIFF, MMIO_CREATERIFF))
if (MMSYSERR_NOERROR != mmioCreateChunk(wmw->hFile, lpckRIFF, MMIO_CREATERIFF))
goto err;
ckWaveFormat.fccType = 0;
ckWaveFormat.ckid = mmioFOURCC('f', 'm', 't', ' ');
ckWaveFormat.cksize = 16;
ckWaveFormat.cksize = sizeof(PCMWAVEFORMAT);
if (!lpWaveFormat)
if (!wmw->lpWaveFormat)
{
/* FIXME: for non PCM formats, the size of the waveFormat has to be
* gotten
*/
lpWaveFormat = wmw->lpWaveFormat = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*lpWaveFormat));
memcpy(lpWaveFormat, &wmw->wfxRef, sizeof(wmw->wfxRef));
wmw->lpWaveFormat = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wmw->lpWaveFormat));
if (!wmw->lpWaveFormat) return MMSYSERR_NOMEM;
memcpy(wmw->lpWaveFormat, &wmw->wfxRef, sizeof(wmw->wfxRef));
}
if (MMSYSERR_NOERROR != mmioCreateChunk(hmmio, &ckWaveFormat, 0))
goto err;
/* only the first 16 bytes are serialized */
/* wrong... for non PCM, the whole waveFormat is stored
/* we can only record PCM files... there is no way in the MCI API to specify
* the necessary data to initialize the extra bytes of the WAVEFORMATEX
* structure
*/
if (-1 == mmioWrite(hmmio, (HPCSTR) lpWaveFormat, 16))
if (wmw->lpWaveFormat->wFormatTag != WAVE_FORMAT_PCM)
goto err;
if (MMSYSERR_NOERROR != mmioCreateChunk(wmw->hFile, &ckWaveFormat, 0))
goto err;
if (MMSYSERR_NOERROR != mmioAscend(hmmio, &ckWaveFormat, 0))
if (-1 == mmioWrite(wmw->hFile, (HPCSTR)wmw->lpWaveFormat, sizeof(PCMWAVEFORMAT)))
goto err;
if (MMSYSERR_NOERROR != mmioAscend(wmw->hFile, &ckWaveFormat, 0))
goto err;
lpckWaveData->cksize = 0;
@ -330,13 +326,15 @@ static DWORD WAVE_mciCreateRIFFSkeleton(WINE_MCIWAVE* wmw)
lpckWaveData->ckid = mmioFOURCC('d', 'a', 't', 'a');
/* create data chunk */
if (MMSYSERR_NOERROR != mmioCreateChunk(hmmio, lpckWaveData, 0))
if (MMSYSERR_NOERROR != mmioCreateChunk(wmw->hFile, lpckWaveData, 0))
goto err;
return 0;
err:
HeapFree(GetProcessHeap(), 0, wmw->lpWaveFormat);
if (wmw->lpWaveFormat)
HeapFree(GetProcessHeap(), 0, wmw->lpWaveFormat);
wmw->lpWaveFormat = NULL;
return MCIERR_INVALID_FILE;
}
@ -616,7 +614,7 @@ static DWORD WAVE_mciClose(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpPar
*/
if (wmw->bTemporaryFile)
{
HeapFree(GetProcessHeap(), 0, (CHAR*) wmw->openParms.lpstrElementName);
HeapFree(GetProcessHeap(), 0, (char*)wmw->openParms.lpstrElementName);
wmw->openParms.lpstrElementName = NULL;
}
@ -655,6 +653,11 @@ static void CALLBACK WAVE_mciPlayCallback(HWAVEOUT hwo, UINT uMsg,
}
}
/******************************************************************
* WAVE_mciPlayWaitDone
*
*
*/
static void WAVE_mciPlayWaitDone(WINE_MCIWAVE* wmw)
{
for (;;) {
@ -865,12 +868,13 @@ cleanUp:
* WAVE_mciPlayCallback [internal]
*/
static void CALLBACK WAVE_mciRecordCallback(HWAVEOUT hwo, UINT uMsg,
DWORD dwInstance,
DWORD dwParam1, DWORD dwParam2)
DWORD dwInstance,
DWORD dwParam1, DWORD dwParam2)
{
WINE_MCIWAVE* wmw = (WINE_MCIWAVE*)dwInstance;
LPWAVEHDR lpWaveHdr = NULL;
LPWAVEHDR lpWaveHdr;
LONG count = 0;
switch (uMsg) {
case WIM_OPEN:
case WIM_CLOSE:
@ -883,9 +887,9 @@ static void CALLBACK WAVE_mciRecordCallback(HWAVEOUT hwo, UINT uMsg,
count = mmioWrite(wmw->hFile, lpWaveHdr->lpData, lpWaveHdr->dwBytesRecorded);
lpWaveHdr->dwFlags &= ~WHDR_DONE;
wmw->dwPosition += count;
wmw->dwRemaining -= count;
if (count > 0)
wmw->dwPosition += count;
/* else error reporting ?? */
if (wmw->dwStatus == MCI_MODE_RECORD)
{
/* Only queue up another buffer if we are recording. We could receive this
@ -903,6 +907,10 @@ static void CALLBACK WAVE_mciRecordCallback(HWAVEOUT hwo, UINT uMsg,
}
}
/******************************************************************
* bWAVE_mciRecordWaitDone
*
*/
static void WAVE_mciRecordWaitDone(WINE_MCIWAVE* wmw)
{
for (;;) {
@ -922,7 +930,7 @@ static void WAVE_mciRecordWaitDone(WINE_MCIWAVE* wmw)
static DWORD WAVE_mciRecord(UINT wDevID, DWORD dwFlags, LPMCI_RECORD_PARMS lpParms)
{
DWORD end;
DWORD dwRet = 0;
DWORD dwRet = MMSYSERR_NOERROR;
LONG bufsize;
LPWAVEHDR waveHdr = NULL;
WINE_MCIWAVE* wmw = WAVE_mciGetOpenDev(wDevID);
@ -963,12 +971,10 @@ static DWORD WAVE_mciRecord(UINT wDevID, DWORD dwFlags, LPMCI_RECORD_PARMS lpPar
(DWORD)lpParms, sizeof(MCI_RECORD_PARMS));
}
if (!wmw->lpWaveFormat)
{
/* new RIFF file */
dwRet = WAVE_mciCreateRIFFSkeleton(wmw);
} else
{
if (!wmw->lpWaveFormat) {
/* new RIFF file */
dwRet = WAVE_mciCreateRIFFSkeleton(wmw);
} else {
FIXME("Should descend into data chunk. Please report.\n");
}
@ -1009,7 +1015,7 @@ static DWORD WAVE_mciRecord(UINT wDevID, DWORD dwFlags, LPMCI_RECORD_PARMS lpPar
dwRet = waveInOpen((HWAVEIN*)&wmw->hWave, WAVE_MAPPER, wmw->lpWaveFormat,
(DWORD)WAVE_mciRecordCallback, (DWORD)wmw, CALLBACK_FUNCTION);
if (dwRet != 0) {
if (dwRet != MMSYSERR_NOERROR) {
TRACE("Can't open low level audio device %ld\n", dwRet);
dwRet = MCIERR_DEVICE_OPEN;
wmw->hWave = 0;
@ -1042,13 +1048,11 @@ static DWORD WAVE_mciRecord(UINT wDevID, DWORD dwFlags, LPMCI_RECORD_PARMS lpPar
wmw->hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
wmw->dwEventCount = 1L; /* for first buffer */
wmw->dwRemaining = end - wmw->dwPosition;
TRACE("Recording (normalized) from byte=%lu for %lu bytes\n", wmw->dwPosition, wmw->dwRemaining);
TRACE("Recording (normalized) from byte=%lu for %lu bytes\n", wmw->dwPosition, end - wmw->dwPosition);
dwRet = waveInStart(wmw->hWave);
while ( wmw->dwRemaining > 0 && wmw->dwStatus != MCI_MODE_STOP && wmw->dwStatus != MCI_MODE_NOT_READY) {
while (wmw->dwPosition < end && wmw->dwStatus != MCI_MODE_STOP && wmw->dwStatus != MCI_MODE_NOT_READY) {
WAVE_mciRecordWaitDone(wmw);
}