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Commit 59917f4c authored by Ove Kaaven's avatar Ove Kaaven Committed by Alexandre Julliard
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Code and concepts merged in from wineoss in order to get the

non-dsound wave output performance in winealsa to an acceptable level. It's still possible to do better than the current code, but this should do for now.
parent 4365bd21
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Showing with 84 additions and 19 deletions
dlls/winmm/winealsa/audio.c
View file @ 59917f4c
......@@ -167,11 +167,13 @@ typedef struct {
DWORD dwBufferSize; /* size of whole ALSA buffer in bytes */
LPWAVEHDR lpQueuePtr; /* start of queued WAVEHDRs (waiting to be notified) */
LPWAVEHDR lpPlayPtr; /* start of not yet fully played buffers */
DWORD dwPartialOffset; /* Offset of not yet written bytes in lpPlayPtr */
LPWAVEHDR lpLoopPtr; /* pointer of first buffer in loop, if any */
DWORD dwLoops; /* private copy of loop counter */
DWORD dwPlayedTotal;
DWORD dwPlayedTotal; /* number of bytes actually played since opening */
DWORD dwWrittenTotal; /* number of bytes written to ALSA buffer since opening */
/* synchronization stuff */
HANDLE hStartUpEvent;
......@@ -937,6 +939,9 @@ static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD
*/
static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo, snd_pcm_status_t* ps)
{
snd_pcm_sframes_t delay = 0;
snd_pcm_delay(wwo->p_handle, &delay);
wwo->dwPlayedTotal = wwo->dwWrittenTotal - delay;
return TRUE;
}
......@@ -953,8 +958,6 @@ static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
if (!lpWaveHdr) return;
wwo->lpPlayPtr->reserved = 0;
if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
if (wwo->lpLoopPtr) {
WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
......@@ -966,6 +969,7 @@ static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
wwo->dwLoops = lpWaveHdr->dwLoops;
}
}
wwo->dwPartialOffset = 0;
}
/**************************************************************************
......@@ -977,11 +981,11 @@ static LPWAVEHDR wodPlayer_PlayPtrNext(WINE_WAVEOUT* wwo)
{
LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
wwo->dwPartialOffset = 0;
if ((lpWaveHdr->dwFlags & WHDR_ENDLOOP) && wwo->lpLoopPtr) {
/* We're at the end of a loop, loop if required */
if (--wwo->dwLoops > 0) {
wwo->lpPlayPtr = wwo->lpLoopPtr;
wwo->lpPlayPtr->reserved = 0;
} else {
/* Handle overlapping loops correctly */
if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
......@@ -1016,7 +1020,7 @@ static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
}
/**************************************************************************
* wodPllayer_NotifyWait [internal]
* wodPlayer_NotifyWait [internal]
* Returns the number of milliseconds to wait before attempting to notify
* completion of the specified wavehdr.
* This is based on the number of bytes remaining to be written in the
......@@ -1026,8 +1030,12 @@ static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
{
DWORD dwMillis;
dwMillis = (lpWaveHdr->dwBufferLength - lpWaveHdr->reserved) * 1000 / wwo->format.wf.nAvgBytesPerSec;
if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
dwMillis = 1;
} else {
dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.wf.nAvgBytesPerSec;
if (!dwMillis) dwMillis = 1;
}
return dwMillis;
}
......@@ -1042,18 +1050,18 @@ static int wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* frames)
{
/* Only attempt to write to free frames */
LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
DWORD dwLength = snd_pcm_bytes_to_frames(wwo->p_handle, lpWaveHdr->dwBufferLength - lpWaveHdr->reserved);
DWORD dwLength = snd_pcm_bytes_to_frames(wwo->p_handle, lpWaveHdr->dwBufferLength - wwo->dwPartialOffset);
int toWrite = min(dwLength, *frames);
int written;
TRACE("Writing wavehdr %p.%lu[%lu]\n", lpWaveHdr, lpWaveHdr->reserved, lpWaveHdr->dwBufferLength);
TRACE("Writing wavehdr %p.%lu[%lu]\n", lpWaveHdr, wwo->dwPartialOffset, lpWaveHdr->dwBufferLength);
written = (wwo->write)(wwo->p_handle, lpWaveHdr->lpData + lpWaveHdr->reserved, toWrite);
written = (wwo->write)(wwo->p_handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
if ( written < 0)
{
/* XRUN occurred. let's try to recover */
ALSA_XRUNRecovery(wwo, written);
written = (wwo->write)(wwo->p_handle, lpWaveHdr->lpData + lpWaveHdr->reserved, toWrite);
written = (wwo->write)(wwo->p_handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
}
if (written <= 0)
{
......@@ -1062,15 +1070,15 @@ static int wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* frames)
return written;
}
lpWaveHdr->reserved += snd_pcm_frames_to_bytes(wwo->p_handle, written);
if ( lpWaveHdr->reserved >= lpWaveHdr->dwBufferLength) {
wwo->dwPartialOffset += snd_pcm_frames_to_bytes(wwo->p_handle, written);
if ( wwo->dwPartialOffset >= lpWaveHdr->dwBufferLength) {
/* this will be used to check if the given wave header has been fully played or not... */
lpWaveHdr->reserved = lpWaveHdr->dwBufferLength;
wwo->dwPartialOffset = lpWaveHdr->dwBufferLength;
/* If we wrote all current wavehdr, skip to the next one */
wodPlayer_PlayPtrNext(wwo);
}
*frames -= written;
wwo->dwPlayedTotal += snd_pcm_frames_to_bytes(wwo->p_handle, written);
wwo->dwWrittenTotal += snd_pcm_frames_to_bytes(wwo->p_handle, written);
return written;
}
......@@ -1093,11 +1101,12 @@ static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
* - we hit the beginning of a running loop
* - we hit a wavehdr which hasn't finished playing
*/
#if 0
while ((lpWaveHdr = wwo->lpQueuePtr) &&
(force ||
(lpWaveHdr != wwo->lpPlayPtr &&
lpWaveHdr != wwo->lpLoopPtr &&
lpWaveHdr->reserved == lpWaveHdr->dwBufferLength))) {
lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
wwo->lpQueuePtr = lpWaveHdr->lpNext;
......@@ -1106,6 +1115,25 @@ static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
}
#else
for (;;)
{
lpWaveHdr = wwo->lpQueuePtr;
if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
if (!force)
{
if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
if (lpWaveHdr->reserved > wwo->dwPlayedTotal){TRACE("still playing %p (%lu/%lu)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
}
wwo->lpQueuePtr = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
}
#endif
return (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
}
......@@ -1146,6 +1174,7 @@ static void wodPlayer_Reset(WINE_WAVEOUT* wwo)
/* flush all possible output */
wait_for_poll(wwo->p_handle, wwo->ufds, wwo->count);
wodUpdatePlayedTotal(wwo, NULL);
/* updates current notify list */
wodPlayer_NotifyCompletions(wwo, FALSE);
......@@ -1163,6 +1192,9 @@ static void wodPlayer_Reset(WINE_WAVEOUT* wwo)
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);
......@@ -1273,12 +1305,36 @@ static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
*/
static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
{
DWORD availInQ = snd_pcm_avail_update(wwo->p_handle);
DWORD availInQ;
wodUpdatePlayedTotal(wwo, NULL);
availInQ = snd_pcm_avail_update(wwo->p_handle);
#if 0
/* input queue empty and output buffer with less than one fragment to play */
if (!wwo->lpPlayPtr && wwo->dwBufferSize < availInQ + wwo->dwFragmentSize) {
TRACE("Run out of wavehdr:s...\n");
return INFINITE;
}
#endif
/* no more room... no need to try to feed */
while (wwo->lpPlayPtr && availInQ > 0)
if ( wodPlayer_WriteMaxFrags(wwo, &availInQ) < 0 )
break;
if (availInQ > 0) {
/* Feed from partial wavehdr */
if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
wodPlayer_WriteMaxFrags(wwo, &availInQ);
}
/* Feed wavehdrs until we run out of wavehdrs or DSP space */
if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
do {
TRACE("Setting time to elapse for %p to %lu\n",
wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
/* note the value that dwPlayedTotal will return when this wave finishes playing */
wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
} while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
}
}
return wodPlayer_DSPWait(wwo);
}
......@@ -1308,6 +1364,15 @@ static DWORD CALLBACK wodPlayer(LPVOID pmt)
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;
}
......
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