/**************************************************************************
* wodPlayer_Reset [internal]
*
* wodPlayer helper. Resets current output stream.
*/
static void wodPlayer_Reset(WINE_WAVEOUT* wwo, BOOL reset)
{
wodUpdatePlayedTotal(wwo);
wodPlayer_NotifyCompletions(wwo, FALSE); /* updates current notify list */
/* we aren't able to flush any data that has already been written */
/* to nas, otherwise we would do the flushing here */
nas_free(wwo);
if (reset) {
enum win_wm_message msg;
DWORD_PTR param;
HANDLE ev;
/* remove any buffer */
wodPlayer_NotifyCompletions(wwo, TRUE);
wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
wwo->state = WINE_WS_STOPPED;
wwo->PlayedTotal = wwo->WrittenTotal = 0;
/* remove any existing message in the ring */
EnterCriticalSection(&wwo->msgRing.msg_crst);
/* return all pending headers in queue */
while (NAS_RetrieveRingMessage(&wwo->msgRing, &msg, ¶m, &ev))
{
TRACE("flushing msg\n");
if (msg != WINE_WM_HEADER)
{
FIXME("shouldn't have headers left\n");
SetEvent(ev);
continue;
}
((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, param, 0);
}
ResetEvent(wwo->msgRing.msg_event);
LeaveCriticalSection(&wwo->msgRing.msg_crst);
} else {
if (wwo->lpLoopPtr) {
/* complicated case, not handled yet (could imply modifying the loop counter */
FIXME("Pausing while in loop isn't correctly handled yet, expec strange results\n");
wwo->lpPlayPtr = wwo->lpLoopPtr;
wwo->WrittenTotal = wwo->PlayedTotal; /* this is wrong !!! */
} else {
/* the data already written is going to be played, so take */
/* this fact into account here */
wwo->PlayedTotal = wwo->WrittenTotal;
}
wwo->state = WINE_WS_PAUSED;
}
}
/**************************************************************************
* wodPlayer [internal]
*/
static DWORD CALLBACK wodPlayer(LPVOID pmt)
{
WORD uDevID = (DWORD_PTR)pmt;
WINE_WAVEOUT* wwo = &WOutDev[uDevID];
wwo->state = WINE_WS_STOPPED;
SetEvent(wwo->hStartUpEvent);
for (;;) {
if (wwo->FlowStarted) {
AuHandleEvents(wwo->AuServ);
if (wwo->state == WINE_WS_PLAYING && wwo->freeBytes && wwo->BufferUsed)
nas_send_buffer(wwo);
}
if (wwo->BufferUsed <= FRAG_SIZE && wwo->writeBytes > 0)
wodPlayer_NotifyCompletions(wwo, FALSE);
WaitForSingleObject(wwo->msgRing.msg_event, 20);
wodPlayer_ProcessMessages(wwo);
while(wwo->lpPlayPtr) {
wwo->lpPlayPtr->reserved = wwo->WrittenTotal + wwo->lpPlayPtr->dwBufferLength;
nas_add_buffer(wwo);
wodPlayer_PlayPtrNext(wwo);
}
return 0;
}
}
/**************************************************************************
* 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;
}
/**************************************************************************
* wodPlayer_Reset [internal]
*
* wodPlayer helper. Resets current output stream.
*/
static void wodPlayer_Reset(WINE_WAVEDEV* wwo, BOOL reset)
{
int err;
TRACE("(%p)\n", wwo);
wodUpdatePlayedTotal(wwo, NULL);
/* updates current notify list */
wodPlayer_NotifyCompletions(wwo, FALSE);
if ( (err = snd_pcm_drop(wwo->pcm)) < 0) {
FIXME("flush: %s\n", snd_strerror(err));
wwo->hThread = 0;
wwo->state = WINE_WS_STOPPED;
ExitThread(-1);
}
if ( (err = snd_pcm_prepare(wwo->pcm)) < 0 )
ERR("pcm prepare failed: %s\n", snd_strerror(err));
if (reset) {
enum win_wm_message msg;
DWORD_PTR param;
HANDLE ev;
/* remove any buffer */
wodPlayer_NotifyCompletions(wwo, TRUE);
wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
wwo->state = WINE_WS_STOPPED;
wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
/* Clear partial wavehdr */
wwo->dwPartialOffset = 0;
/* remove any existing message in the ring */
EnterCriticalSection(&wwo->msgRing.msg_crst);
/* return all pending headers in queue */
while (ALSA_RetrieveRingMessage(&wwo->msgRing, &msg, ¶m, &ev))
{
if (msg != WINE_WM_HEADER)
{
FIXME("shouldn't have headers left\n");
SetEvent(ev);
continue;
}
((LPWAVEHDR)param)->dwFlags &= ~WHDR_INQUEUE;
((LPWAVEHDR)param)->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, param, 0);
}
ALSA_ResetRingMessage(&wwo->msgRing);
LeaveCriticalSection(&wwo->msgRing.msg_crst);
} else {
if (wwo->lpLoopPtr) {
/* complicated case, not handled yet (could imply modifying the loop counter */
FIXME("Pausing while in loop isn't correctly handled yet, expect strange results\n");
wwo->lpPlayPtr = wwo->lpLoopPtr;
wwo->dwPartialOffset = 0;
wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
} else {
LPWAVEHDR ptr;
DWORD sz = wwo->dwPartialOffset;
/* reset all the data as if we had written only up to lpPlayedTotal bytes */
/* compute the max size playable from lpQueuePtr */
for (ptr = wwo->lpQueuePtr; ptr != wwo->lpPlayPtr; ptr = ptr->lpNext) {
sz += ptr->dwBufferLength;
}
/* because the reset lpPlayPtr will be lpQueuePtr */
if (wwo->dwWrittenTotal > wwo->dwPlayedTotal + sz) ERR("grin\n");
wwo->dwPartialOffset = sz - (wwo->dwWrittenTotal - wwo->dwPlayedTotal);
wwo->dwWrittenTotal = wwo->dwPlayedTotal;
wwo->lpPlayPtr = wwo->lpQueuePtr;
}
wwo->state = WINE_WS_PAUSED;
}
}