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mciwave: Fix wave format first, then compute position. 

nAvgBytesPerSec is the better factor in the presence of ADPCM, MPEG3 and other wave formats.
This commit is contained in:
Jörg Höhle 2009-10-18 14:10:31 +02:00 committed by Alexandre Julliard
parent b188cb132c
commit 7f4d81ede7
1 changed files with 50 additions and 42 deletions
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92
dlls/mciwave/mciwave.c
View File

@ -216,8 +216,8 @@ static DWORD WAVE_ConvertByteToTimeFormat(WINE_MCIWAVE* wmw, DWORD val, LPDWORD
case MCI_FORMAT_BYTES:
ret = val;
break;
case MCI_FORMAT_SAMPLES: /* FIXME: is this correct ? */
ret = (val * 8) / (wmw->lpWaveFormat->wBitsPerSample ? wmw->lpWaveFormat->wBitsPerSample : 1);
case MCI_FORMAT_SAMPLES:
ret = MulDiv(val,wmw->lpWaveFormat->nSamplesPerSec,wmw->lpWaveFormat->nAvgBytesPerSec);
break;
default:
WARN("Bad time format %u!\n", wmw->dwMciTimeFormat);
@ -236,13 +236,13 @@ static DWORD WAVE_ConvertTimeFormatToByte(WINE_MCIWAVE* wmw, DWORD val)
switch (wmw->dwMciTimeFormat) {
case MCI_FORMAT_MILLISECONDS:
ret = (val * wmw->lpWaveFormat->nAvgBytesPerSec) / 1000;
ret = MulDiv(val,wmw->lpWaveFormat->nAvgBytesPerSec,1000);
break;
case MCI_FORMAT_BYTES:
ret = val;
break;
case MCI_FORMAT_SAMPLES: /* FIXME: is this correct ? */
ret = (val * wmw->lpWaveFormat->wBitsPerSample) / 8;
case MCI_FORMAT_SAMPLES:
ret = MulDiv(val,wmw->lpWaveFormat->nAvgBytesPerSec,wmw->lpWaveFormat->nSamplesPerSec);
break;
default:
WARN("Bad time format %u!\n", wmw->dwMciTimeFormat);
@ -514,20 +514,26 @@ static LRESULT WAVE_mciOpen(MCIDEVICEID wDevID, DWORD dwFlags, LPMCI_WAVE_OPEN_P
dwRet = WAVE_mciDefaultFmt(wmw);
if (dwRet == 0) {
if (wmw->lpWaveFormat) {
switch (wmw->lpWaveFormat->wFormatTag) {
case WAVE_FORMAT_PCM:
if (wmw->lpWaveFormat->nAvgBytesPerSec !=
wmw->lpWaveFormat->nSamplesPerSec * wmw->lpWaveFormat->nBlockAlign) {
WARN("Incorrect nAvgBytesPerSec (%d), setting it to %d\n",
wmw->lpWaveFormat->nAvgBytesPerSec,
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign);
wmw->lpWaveFormat->nAvgBytesPerSec =
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign;
}
break;
if (wmw->lpWaveFormat->wFormatTag == WAVE_FORMAT_PCM) {
if (wmw->lpWaveFormat->nBlockAlign !=
wmw->lpWaveFormat->nChannels * wmw->lpWaveFormat->wBitsPerSample/8) {
WARN("Incorrect nBlockAlign (%d), setting it to %d\n",
wmw->lpWaveFormat->nBlockAlign,
wmw->lpWaveFormat->nChannels *
wmw->lpWaveFormat->wBitsPerSample/8);
wmw->lpWaveFormat->nBlockAlign =
wmw->lpWaveFormat->nChannels *
wmw->lpWaveFormat->wBitsPerSample/8;
}
if (wmw->lpWaveFormat->nAvgBytesPerSec !=
wmw->lpWaveFormat->nSamplesPerSec * wmw->lpWaveFormat->nBlockAlign) {
WARN("Incorrect nAvgBytesPerSec (%d), setting it to %d\n",
wmw->lpWaveFormat->nAvgBytesPerSec,
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign);
wmw->lpWaveFormat->nAvgBytesPerSec =
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign;
}
}
wmw->dwPosition = 0;
@ -716,7 +722,7 @@ static DWORD WAVE_mciPlay(MCIDEVICEID wDevID, DWORD_PTR dwFlags, DWORD_PTR pmt,
LPMCI_PLAY_PARMS lpParms = (void*)pmt;
DWORD end;
LONG bufsize, count, left;
DWORD dwRet = 0;
DWORD dwRet;
LPWAVEHDR waveHdr = NULL;
WINE_MCIWAVE* wmw = WAVE_mciGetOpenDev(wDevID);
int whidx;
@ -753,6 +759,30 @@ static DWORD WAVE_mciPlay(MCIDEVICEID wDevID, DWORD_PTR dwFlags, DWORD_PTR pmt,
(DWORD_PTR)lpParms, sizeof(MCI_PLAY_PARMS));
}
if (!wmw->lpWaveFormat) return MCIERR_WAVE_INPUTUNSPECIFIED;
if (wmw->lpWaveFormat->wFormatTag == WAVE_FORMAT_PCM) {
if (wmw->lpWaveFormat->nBlockAlign !=
wmw->lpWaveFormat->nChannels * wmw->lpWaveFormat->wBitsPerSample/8) {
WARN("Incorrect nBlockAlign (%d), setting it to %d\n",
wmw->lpWaveFormat->nBlockAlign,
wmw->lpWaveFormat->nChannels *
wmw->lpWaveFormat->wBitsPerSample/8);
wmw->lpWaveFormat->nBlockAlign =
wmw->lpWaveFormat->nChannels *
wmw->lpWaveFormat->wBitsPerSample/8;
}
if (wmw->lpWaveFormat->nAvgBytesPerSec !=
wmw->lpWaveFormat->nSamplesPerSec * wmw->lpWaveFormat->nBlockAlign) {
WARN("Incorrect nAvgBytesPerSec (%d), setting it to %d\n",
wmw->lpWaveFormat->nAvgBytesPerSec,
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign);
wmw->lpWaveFormat->nAvgBytesPerSec =
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign;
}
}
end = 0xFFFFFFFF;
if (lpParms && (dwFlags & MCI_FROM)) {
wmw->dwPosition = WAVE_ConvertTimeFormatToByte(wmw, lpParms->dwFrom);
@ -773,28 +803,6 @@ static DWORD WAVE_mciPlay(MCIDEVICEID wDevID, DWORD_PTR dwFlags, DWORD_PTR pmt,
wmw->dwPosition = WAVE_ALIGN_ON_BLOCK(wmw, wmw->dwPosition);
wmw->ckWaveData.cksize = WAVE_ALIGN_ON_BLOCK(wmw, wmw->ckWaveData.cksize);
if (dwRet == 0) {
if (wmw->lpWaveFormat) {
switch (wmw->lpWaveFormat->wFormatTag) {
case WAVE_FORMAT_PCM:
if (wmw->lpWaveFormat->nAvgBytesPerSec !=
wmw->lpWaveFormat->nSamplesPerSec * wmw->lpWaveFormat->nBlockAlign) {
WARN("Incorrect nAvgBytesPerSec (%d), setting it to %d\n",
wmw->lpWaveFormat->nAvgBytesPerSec,
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign);
wmw->lpWaveFormat->nAvgBytesPerSec =
wmw->lpWaveFormat->nSamplesPerSec *
wmw->lpWaveFormat->nBlockAlign;
}
break;
}
}
} else {
TRACE("can't retrieve wave format %d\n", dwRet);
goto cleanUp;
}
/* go back to beginning of chunk plus the requested position */
/* FIXME: I'm not sure this is correct, notably because some data linked to