audio.c

Wine-20031016

    if (wwo->format.wBitsPerSample == 0) {
	WARN("Resetting zeroed wBitsPerSample\n");
	wwo->format.wBitsPerSample = 8 *
	    (wwo->format.wf.nAvgBytesPerSec /
	     wwo->format.wf.nSamplesPerSec) /
	    wwo->format.wf.nChannels;
    }
    /* Read output space info for future reference */
    if (ioctl(wwo->ossdev->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
	ERR("ioctl(%s, SNDCTL_DSP_GETOSPACE) failed (%s)\n", wwo->ossdev->dev_name, strerror(errno));
        OSS_CloseDevice(wwo->ossdev);
	wwo->state = WINE_WS_CLOSED;
	return MMSYSERR_NOTENABLED;
    }

    /* Check that fragsize is correct per our settings above */
    if ((info.fragsize > 1024) && (LOWORD(audio_fragment) <= 10)) {
	/* we've tried to set 1K fragments or less, but it didn't work */
	ERR("fragment size set failed, size is now %d\n", info.fragsize);
	MESSAGE("Your Open Sound System driver did not let us configure small enough sound fragments.\n");
	MESSAGE("This may cause delays and other problems in audio playback with certain applications.\n");
    }

    /* Remember fragsize and total buffer size for future use */
    wwo->dwFragmentSize = info.fragsize;
    wwo->dwBufferSize = info.fragstotal * info.fragsize;
    wwo->dwPlayedTotal = 0;
    wwo->dwWrittenTotal = 0;
    wwo->bNeedPost = TRUE;

    OSS_InitRingMessage(&wwo->msgRing);

    wwo->hStartUpEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
    wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
    WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
    CloseHandle(wwo->hStartUpEvent);
    wwo->hStartUpEvent = INVALID_HANDLE_VALUE;

    TRACE("fd=%d fragmentSize=%ld\n",
	  wwo->ossdev->fd, wwo->dwFragmentSize);
    if (wwo->dwFragmentSize % wwo->format.wf.nBlockAlign)
	ERR("Fragment doesn't contain an integral number of data blocks\n");

    TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
	  wwo->format.wBitsPerSample, wwo->format.wf.nAvgBytesPerSec,
	  wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
	  wwo->format.wf.nBlockAlign);

    return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
}

/**************************************************************************
 * 				wodClose			[internal]
 */
static DWORD wodClose(WORD wDevID)
{
    DWORD		ret = MMSYSERR_NOERROR;
    WINE_WAVEOUT*	wwo;

    TRACE("(%u);\n", wDevID);

    if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    wwo = &WOutDev[wDevID];
    if (wwo->lpQueuePtr) {
	WARN("buffers still playing !\n");
	ret = WAVERR_STILLPLAYING;
    } else {
	if (wwo->hThread != INVALID_HANDLE_VALUE) {
	    OSS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
	}
	if (wwo->mapping) {
	    munmap(wwo->mapping, wwo->maplen);
	    wwo->mapping = NULL;
	}

        OSS_DestroyRingMessage(&wwo->msgRing);

        OSS_CloseDevice(wwo->ossdev);
	wwo->state = WINE_WS_CLOSED;
	wwo->dwFragmentSize = 0;
	ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
    }
    return ret;
}

/**************************************************************************
 * 				wodWrite			[internal]
 *
 */
static DWORD wodWrite(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
    TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);

    /* first, do the sanity checks... */
    if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
        WARN("bad dev ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
	return WAVERR_UNPREPARED;

    if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
	return WAVERR_STILLPLAYING;

    lpWaveHdr->dwFlags &= ~WHDR_DONE;
    lpWaveHdr->dwFlags |= WHDR_INQUEUE;
    lpWaveHdr->lpNext = 0;

    if ((lpWaveHdr->dwBufferLength & (WOutDev[wDevID].format.wf.nBlockAlign - 1)) != 0)
    {
        WARN("WaveHdr length isn't a multiple of the PCM block size: %ld %% %d\n",lpWaveHdr->dwBufferLength,WOutDev[wDevID].format.wf.nBlockAlign);
        lpWaveHdr->dwBufferLength &= ~(WOutDev[wDevID].format.wf.nBlockAlign - 1);
    }

    OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);

    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				wodPrepare			[internal]
 */
static DWORD wodPrepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
    TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);

    if (wDevID >= numOutDev) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
	return WAVERR_STILLPLAYING;

    lpWaveHdr->dwFlags |= WHDR_PREPARED;
    lpWaveHdr->dwFlags &= ~WHDR_DONE;
    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				wodUnprepare			[internal]
 */
static DWORD wodUnprepare(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
    TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);

    if (wDevID >= numOutDev) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
	return WAVERR_STILLPLAYING;

    lpWaveHdr->dwFlags &= ~WHDR_PREPARED;
    lpWaveHdr->dwFlags |= WHDR_DONE;

    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 			wodPause				[internal]
 */
static DWORD wodPause(WORD wDevID)
{
    TRACE("(%u);!\n", wDevID);

    if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_PAUSING, 0, TRUE);

    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 			wodRestart				[internal]
 */
static DWORD wodRestart(WORD wDevID)
{
    TRACE("(%u);\n", wDevID);

    if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESTARTING, 0, TRUE);

    /* FIXME: is NotifyClient with WOM_DONE right ? (Comet Busters 1.3.3 needs this notification) */
    /* FIXME: Myst crashes with this ... hmm -MM
       return wodNotifyClient(wwo, WOM_DONE, 0L, 0L);
    */

    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 			wodReset				[internal]
 */
static DWORD wodReset(WORD wDevID)
{
    TRACE("(%u);\n", wDevID);

    if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);

    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				wodGetPosition			[internal]
 */
static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
{
    int			time;
    DWORD		val;
    WINE_WAVEOUT*	wwo;

    TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);

    if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }

    if (lpTime == NULL)	return MMSYSERR_INVALPARAM;

    wwo = &WOutDev[wDevID];
#ifdef EXACT_WODPOSITION
    OSS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
#endif
    val = wwo->dwPlayedTotal;

    TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
	  lpTime->wType, wwo->format.wBitsPerSample,
	  wwo->format.wf.nSamplesPerSec, wwo->format.wf.nChannels,
	  wwo->format.wf.nAvgBytesPerSec);
    TRACE("dwPlayedTotal=%lu\n", val);

    switch (lpTime->wType) {
    case TIME_BYTES:
	lpTime->u.cb = val;
	TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
	break;
    case TIME_SAMPLES:
	lpTime->u.sample = val * 8 / wwo->format.wBitsPerSample /wwo->format.wf.nChannels;
	TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
	break;
    case TIME_SMPTE:
	time = val / (wwo->format.wf.nAvgBytesPerSec / 1000);
	lpTime->u.smpte.hour = time / (60 * 60 * 1000);
	time -= lpTime->u.smpte.hour * (60 * 60 * 1000);
	lpTime->u.smpte.min = time / (60 * 1000);
	time -= lpTime->u.smpte.min * (60 * 1000);
	lpTime->u.smpte.sec = time / 1000;
	time -= lpTime->u.smpte.sec * 1000;
	lpTime->u.smpte.frame = time * 30 / 1000;
	lpTime->u.smpte.fps = 30;
	TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
	      lpTime->u.smpte.hour, lpTime->u.smpte.min,
	      lpTime->u.smpte.sec, lpTime->u.smpte.frame);
	break;
    default:
	FIXME("Format %d not supported ! use TIME_MS !\n", lpTime->wType);
	lpTime->wType = TIME_MS;
    case TIME_MS:
	lpTime->u.ms = val / (wwo->format.wf.nAvgBytesPerSec / 1000);
	TRACE("TIME_MS=%lu\n", lpTime->u.ms);
	break;
    }
    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				wodBreakLoop			[internal]
 */
static DWORD wodBreakLoop(WORD wDevID)
{
    TRACE("(%u);\n", wDevID);

    if (wDevID >= numOutDev || WOutDev[wDevID].state == WINE_WS_CLOSED) {
	WARN("bad device ID !\n");
	return MMSYSERR_BADDEVICEID;
    }
    OSS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				wodGetVolume			[internal]
 */
static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
{
    int 	mixer;
    int		volume;
    DWORD	left, right;

    TRACE("(%u, %p);\n", wDevID, lpdwVol);

    if (lpdwVol == NULL)
	return MMSYSERR_NOTENABLED;
    if (wDevID >= numOutDev) 
	return MMSYSERR_INVALPARAM;

    if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_RDONLY|O_NDELAY)) < 0) {
	WARN("mixer device not available !\n");
	return MMSYSERR_NOTENABLED;
    }
    if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
	WARN("ioctl(%s, SOUND_MIXER_READ_PCM) failed (%s)n", WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
	return MMSYSERR_NOTENABLED;
    }
    close(mixer);
    left = LOBYTE(volume);
    right = HIBYTE(volume);
    TRACE("left=%ld right=%ld !\n", left, right);
    *lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				wodSetVolume			[internal]
 */
static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
{
    int 	mixer;
    int		volume;
    DWORD	left, right;

    TRACE("(%u, %08lX);\n", wDevID, dwParam);

    left  = (LOWORD(dwParam) * 100) / 0xFFFFl;
    right = (HIWORD(dwParam) * 100) / 0xFFFFl;
    volume = left + (right << 8);

    if (wDevID >= numOutDev) {
	WARN("invalid parameter: wDevID > %d\n", numOutDev);
	return MMSYSERR_INVALPARAM;
    }

    if ((mixer = open(WOutDev[wDevID].ossdev->mixer_name, O_WRONLY|O_NDELAY)) < 0) {
	WARN("mixer device not available !\n");
	return MMSYSERR_NOTENABLED;
    }
    if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
	WARN("ioctl(%s, SOUND_MIXER_WRITE_PCM) failed (%s)\n", WOutDev[wDevID].ossdev->mixer_name, strerror(errno));
	return MMSYSERR_NOTENABLED;
    } else {
	TRACE("volume=%04x\n", (unsigned)volume);
    }
    close(mixer);
    return MMSYSERR_NOERROR;
}

/**************************************************************************
 * 				wodMessage (WINEOSS.7)
 */
DWORD WINAPI OSS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
			    DWORD dwParam1, DWORD dwParam2)
{
    TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
	  wDevID, wMsg, dwUser, dwParam1, dwParam2);

    switch (wMsg) {
    case DRVM_INIT:
    case DRVM_EXIT:
    case DRVM_ENABLE:
    case DRVM_DISABLE:
	/* FIXME: Pretend this is supported */
	return 0;
    case WODM_OPEN:	 	return wodOpen		(wDevID, (LPWAVEOPENDESC)dwParam1,	dwParam2);
    case WODM_CLOSE:	 	return wodClose		(wDevID);
    case WODM_WRITE:	 	return wodWrite		(wDevID, (LPWAVEHDR)dwPara