Jörg Höhle : mciwave: Fix wave format first, then compute position.
Module: wine Branch: master Commit: 7f4d81ede7e2f06a2a0940f1548fc334dd8d4a89 URL: http://source.winehq.org/git/wine.git/?a=commit;h=7f4d81ede7e2f06a2a0940f154... Author: Jörg Höhle <hoehle(a)users.sourceforge.net> Date: Sun Oct 18 14:10:31 2009 +0200 mciwave: Fix wave format first, then compute position. nAvgBytesPerSec is the better factor in the presence of ADPCM, MPEG3 and other wave formats. --- dlls/mciwave/mciwave.c | 92 ++++++++++++++++++++++++++---------------------- 1 files changed, 50 insertions(+), 42 deletions(-) diff --git a/dlls/mciwave/mciwave.c b/dlls/mciwave/mciwave.c index 5270f25..7d2d186 100644 --- a/dlls/mciwave/mciwave.c +++ b/dlls/mciwave/mciwave.c @@ -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
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Alexandre Julliard