/**************************************************************************
* wodPlayer [internal]
*/
static DWORD CALLBACK wodPlayer(LPVOID pmt)
{
WORD uDevID = (DWORD_PTR)pmt;
WINE_WAVEDEV* wwo = &WOutDev[uDevID];
DWORD dwNextFeedTime = INFINITE; /* Time before DSP needs feeding */
DWORD dwNextNotifyTime = INFINITE; /* Time before next wave completion */
DWORD dwSleepTime;
wwo->state = WINE_WS_STOPPED;
SetEvent(wwo->hStartUpEvent);
for (;;) {
/** Wait for the shortest time before an action is required. If there
* are no pending actions, wait forever for a command.
*/
dwSleepTime = min(dwNextFeedTime, dwNextNotifyTime);
TRACE("waiting %ums (%u,%u)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
ALSA_WaitRingMessage(&wwo->msgRing, dwSleepTime);
wodPlayer_ProcessMessages(wwo);
if (wwo->state == WINE_WS_PLAYING) {
dwNextFeedTime = wodPlayer_FeedDSP(wwo);
dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
if (dwNextFeedTime == INFINITE) {
/* FeedDSP ran out of data, but before giving up, */
/* check that a notification didn't give us more */
wodPlayer_ProcessMessages(wwo);
if (wwo->lpPlayPtr) {
TRACE("recovering\n");
dwNextFeedTime = wodPlayer_FeedDSP(wwo);
}
}
} else {
dwNextFeedTime = dwNextNotifyTime = INFINITE;
}
}
return 0;
}
/**************************************************************************
* widRecorder [internal]
*/
static DWORD CALLBACK widRecorder(LPVOID pmt)
{
WORD uDevID = (DWORD_PTR)pmt;
WINE_WAVEDEV* wwi = &WInDev[uDevID];
WAVEHDR* lpWaveHdr;
DWORD dwSleepTime;
DWORD bytesRead;
enum win_wm_message msg;
DWORD_PTR param;
HANDLE ev;
DWORD frames_per_period;
wwi->state = WINE_WS_STOPPED;
InterlockedExchange((LONG*)&wwi->dwTotalRecorded, 0);
wwi->lpQueuePtr = NULL;
SetEvent(wwi->hStartUpEvent);
/* make sleep time to be # of ms to output a period */
dwSleepTime = (wwi->dwPeriodSize * 1000) / wwi->format.Format.nAvgBytesPerSec;
frames_per_period = snd_pcm_bytes_to_frames(wwi->pcm, wwi->dwPeriodSize);
TRACE("sleeptime=%d ms, total buffer length=%d ms (%d bytes)\n", dwSleepTime, wwi->dwBufferSize * 1000 / wwi->format.Format.nAvgBytesPerSec, wwi->dwBufferSize);
for (;;) {
/* wait for dwSleepTime or an event in thread's queue */
if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
{
DWORD frames;
DWORD bytes;
DWORD read;
lpWaveHdr = wwi->lpQueuePtr;
/* read all the fragments accumulated so far */
frames = snd_pcm_avail_update(wwi->pcm);
bytes = snd_pcm_frames_to_bytes(wwi->pcm, frames);
TRACE("frames = %d bytes = %d state=%d\n", frames, bytes, snd_pcm_state(wwi->pcm));
if (snd_pcm_state(wwi->pcm) == SND_PCM_STATE_XRUN)
{
FIXME("Recovering from XRUN!\n");
snd_pcm_prepare(wwi->pcm);
frames = snd_pcm_avail_update(wwi->pcm);
bytes = snd_pcm_frames_to_bytes(wwi->pcm, frames);
snd_pcm_start(wwi->pcm);
snd_pcm_forward(wwi->pcm, frames - snd_pcm_bytes_to_frames(wwi->pcm, wwi->dwPeriodSize));
continue;
}
while (frames > 0 && wwi->lpQueuePtr)
{
TRACE("bytes = %d\n", bytes);
if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded < bytes)
{
bytes = lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded;
frames = snd_pcm_bytes_to_frames(wwi->pcm, bytes);
}
/* directly read fragment in wavehdr */
read = wwi->read(wwi->pcm, lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded, frames);
bytesRead = snd_pcm_frames_to_bytes(wwi->pcm, read);
TRACE("bytesRead=(%d(%d)/(%d)) -> (%d/%d)\n", bytesRead, read, frames, lpWaveHdr->dwBufferLength, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
if (read != (DWORD) -1)
{
/* update number of bytes recorded in current buffer and by this device */
lpWaveHdr->dwBytesRecorded += bytesRead;
InterlockedExchangeAdd((LONG*)&wwi->dwTotalRecorded, bytesRead);
frames -= read;
bytes -= bytesRead;
/* buffer is full. notify client */
if (!snd_pcm_bytes_to_frames(wwi->pcm, lpWaveHdr->dwBytesRecorded - lpWaveHdr->dwBufferLength))
{
/* must copy the value of next waveHdr, because we have no idea of what
* will be done with the content of lpWaveHdr in callback
*/
LPWAVEHDR lpNext = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wwi->lpQueuePtr = lpNext;
widNotifyClient(wwi, WIM_DATA, (DWORD_PTR)lpWaveHdr, 0);
lpWaveHdr = lpNext;
}
} else {
WARN("read(%s, %p, %d) failed (%d/%s)\n", wwi->pcmname,
lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
frames, frames, snd_strerror(read));
}
}
}
ALSA_WaitRingMessage(&wwi->msgRing, dwSleepTime);
while (ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, ¶m, &ev))
{
TRACE("msg=%s param=0x%lx\n", ALSA_getCmdString(msg), param);
switch (msg) {
case WINE_WM_PAUSING:
wwi->state = WINE_WS_PAUSED;
/*FIXME("Device should stop recording\n");*/
SetEvent(ev);
break;
case WINE_WM_STARTING:
wwi->state = WINE_WS_PLAYING;
snd_pcm_start(wwi->pcm);
SetEvent(ev);
break;
case WINE_WM_HEADER:
lpWaveHdr = (LPWAVEHDR)param;
lpWaveHdr->lpNext = 0;
/* insert buffer at the end of queue */
{
LPWAVEHDR* wh;
for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
*wh = lpWaveHdr;
}
break;
case WINE_WM_STOPPING:
if (wwi->state != WINE_WS_STOPPED)
{
snd_pcm_drain(wwi->pcm);
/* read any headers in queue */
widRecorder_ReadHeaders(wwi);
/* return current buffer to app */
lpWaveHdr = wwi->lpQueuePtr;
if (lpWaveHdr)
{
LPWAVEHDR lpNext = lpWaveHdr->lpNext;
TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wwi->lpQueuePtr = lpNext;
widNotifyClient(wwi, WIM_DATA, (DWORD_PTR)lpWaveHdr, 0);
}
}
wwi->state = WINE_WS_STOPPED;
SetEvent(ev);
break;
case WINE_WM_RESETTING:
if (wwi->state != WINE_WS_STOPPED)
{
snd_pcm_drain(wwi->pcm);
}
wwi->state = WINE_WS_STOPPED;
wwi->dwTotalRecorded = 0;
/* read any headers in queue */
widRecorder_ReadHeaders(wwi);
/* return all buffers to the app */
while (wwi->lpQueuePtr) {
lpWaveHdr = wwi->lpQueuePtr;
TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
wwi->lpQueuePtr = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
widNotifyClient(wwi, WIM_DATA, (DWORD_PTR)lpWaveHdr, 0);
}
SetEvent(ev);
break;
case WINE_WM_CLOSING:
wwi->hThread = 0;
wwi->state = WINE_WS_CLOSED;
SetEvent(ev);
ExitThread(0);
/* shouldn't go here */
default:
FIXME("unknown message %d\n", msg);
break;
}
}
}
ExitThread(0);
/* just for not generating compilation warnings... should never be executed */
return 0;
}
