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Sweden-Number/dlls/winmm/winearts/audio.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Wine Driver for aRts Sound Server
* http://www.arts-project.org
*
* Copyright 1994 Martin Ayotte
* 1999 Eric Pouech (async playing in waveOut/waveIn)
* 2000 Eric Pouech (loops in waveOut)
* 2002 Chris Morgan (aRts version of this file)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* NOTE:
* with arts we cannot stop the audio that is already in
* the servers buffer, so to reduce delays during starting
* and stoppping of audio streams adjust the
* audio buffer size in the kde control center or in the
* artsd startup script
*
* FIXME:
* pause in waveOut does not work correctly in loop mode
*
* TODO:
* implement wave-in support with artsc
*/
/*#define EMULATE_SB16*/
#include "config.h"
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <fcntl.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winerror.h"
#include "wine/winuser16.h"
#include "mmddk.h"
#include "dsound.h"
#include "dsdriver.h"
#include "arts.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wave);
#ifdef HAVE_ARTS
#include <artsc.h>
#define BUFFER_SIZE 16 * 1024
#define SPACE_THRESHOLD 5 * 1024
#define MAX_WAVEOUTDRV (10)
/* state diagram for waveOut writing:
*
* +---------+-------------+---------------+---------------------------------+
* | state | function | event | new state |
* +---------+-------------+---------------+---------------------------------+
* | | open() | | STOPPED |
* | PAUSED | write() | | PAUSED |
* | STOPPED | write() | <thrd create> | PLAYING |
* | PLAYING | write() | HEADER | PLAYING |
* | (other) | write() | <error> | |
* | (any) | pause() | PAUSING | PAUSED |
* | PAUSED | restart() | RESTARTING | PLAYING (if no thrd => STOPPED) |
* | (any) | reset() | RESETTING | STOPPED |
* | (any) | close() | CLOSING | CLOSED |
* +---------+-------------+---------------+---------------------------------+
*/
/* states of the playing device */
#define WINE_WS_PLAYING 0
#define WINE_WS_PAUSED 1
#define WINE_WS_STOPPED 2
#define WINE_WS_CLOSED 3
/* events to be send to device */
enum win_wm_message {
WINE_WM_PAUSING = WM_USER + 1, WINE_WM_RESTARTING, WINE_WM_RESETTING, WINE_WM_HEADER,
WINE_WM_UPDATE, WINE_WM_BREAKLOOP, WINE_WM_CLOSING
};
typedef struct {
enum win_wm_message msg; /* message identifier */
DWORD param; /* parameter for this message */
HANDLE hEvent; /* if message is synchronous, handle of event for synchro */
} RING_MSG;
/* implement an in-process message ring for better performance
* (compared to passing thru the server)
* this ring will be used by the input (resp output) record (resp playback) routine
*/
#define ARTS_RING_BUFFER_INCREMENT 64
typedef struct {
RING_MSG * messages;
int ring_buffer_size;
int msg_tosave;
int msg_toget;
HANDLE msg_event;
CRITICAL_SECTION msg_crst;
} ARTS_MSG_RING;
typedef struct {
volatile int state; /* one of the WINE_WS_ manifest constants */
WAVEOPENDESC waveDesc;
WORD wFlags;
PCMWAVEFORMAT format;
WAVEOUTCAPSA caps;
/* arts information */
arts_stream_t play_stream; /* the stream structure we get from arts when opening a stream for playing */
DWORD dwBufferSize; /* size of whole buffer in bytes */
char* sound_buffer;
long buffer_size;
DWORD volume_left; /* volume control information */
DWORD volume_right;
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; /* number of bytes actually played since opening */
DWORD dwWrittenTotal; /* number of bytes written to the audio device since opening */
/* synchronization stuff */
HANDLE hStartUpEvent;
HANDLE hThread;
DWORD dwThreadID;
ARTS_MSG_RING msgRing;
} WINE_WAVEOUT;
static WINE_WAVEOUT WOutDev [MAX_WAVEOUTDRV];
static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc);
static DWORD wodDsGuid(UINT wDevID, LPGUID pGuid);
/* These strings used only for tracing */
static const char *wodPlayerCmdString[] = {
"WINE_WM_PAUSING",
"WINE_WM_RESTARTING",
"WINE_WM_RESETTING",
"WINE_WM_HEADER",
"WINE_WM_UPDATE",
"WINE_WM_BREAKLOOP",
"WINE_WM_CLOSING",
};
/*======================================================================*
* Low level WAVE implementation *
*======================================================================*/
/* Volume functions derived from Alsaplayer source */
/* length is the number of 16 bit samples */
void volume_effect16(void *bufin, void* bufout, int length, int left,
int right, int nChannels)
{
short *d_out = (short *)bufout;
short *d_in = (short *)bufin;
int i, v;
/*
TRACE("length == %d, nChannels == %d\n", length, nChannels);
*/
if (right == -1) right = left;
for(i = 0; i < length; i+=(nChannels))
{
v = (int) ((*(d_in++) * left) / 100);
*(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
if(nChannels == 2)
{
v = (int) ((*(d_in++) * right) / 100);
*(d_out++) = (v>32767) ? 32767 : ((v<-32768) ? -32768 : v);
}
}
}
/* length is the number of 8 bit samples */
void volume_effect8(void *bufin, void* bufout, int length, int left,
int right, int nChannels)
{
BYTE *d_out = (BYTE *)bufout;
BYTE *d_in = (BYTE *)bufin;
int i, v;
/*
TRACE("length == %d, nChannels == %d\n", length, nChannels);
*/
if (right == -1) right = left;
for(i = 0; i < length; i+=(nChannels))
{
v = (BYTE) ((*(d_in++) * left) / 100);
*(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
if(nChannels == 2)
{
v = (BYTE) ((*(d_in++) * right) / 100);
*(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
}
}
}
/******************************************************************
* ARTS_CloseDevice
*
*/
void ARTS_CloseDevice(WINE_WAVEOUT* wwo)
{
arts_close_stream(wwo->play_stream); /* close the arts stream */
wwo->play_stream = (arts_stream_t*)-1;
/* free up the buffer we use for volume and reset the size */
if(wwo->sound_buffer)
HeapFree(GetProcessHeap(), 0, wwo->sound_buffer);
wwo->buffer_size = 0;
}
/******************************************************************
* ARTS_Init
*/
static int ARTS_Init(void)
{
return arts_init(); /* initialize arts and return errorcode */
}
/******************************************************************
* ARTS_WaveClose
*/
LONG ARTS_WaveClose(void)
{
int iDevice;
/* close all open devices */
for(iDevice = 0; iDevice < MAX_WAVEOUTDRV; iDevice++)
{
if(WOutDev[iDevice].play_stream != (arts_stream_t*)-1)
{
ARTS_CloseDevice(&WOutDev[iDevice]);
}
}
arts_free(); /* free up arts */
return 1;
}
/******************************************************************
* ARTS_WaveInit
*
* Initialize internal structures from ARTS server info
*/
LONG ARTS_WaveInit(void)
{
int i;
int errorcode;
TRACE("called\n");
if ((errorcode = ARTS_Init()) < 0)
{
ERR("arts_init() failed (%d)\n", errorcode);
return -1;
}
/* initialize all device handles to -1 */
for (i = 0; i < MAX_WAVEOUTDRV; ++i)
{
WOutDev[i].play_stream = (arts_stream_t*)-1;
memset(&WOutDev[i].caps, 0, sizeof(WOutDev[i].caps)); /* zero out
caps values */
/* FIXME: some programs compare this string against the content of the registry
* for MM drivers. The names have to match in order for the program to work
* (e.g. MS win9x mplayer.exe)
*/
#ifdef EMULATE_SB16
WOutDev[i].caps.wMid = 0x0002;
WOutDev[i].caps.wPid = 0x0104;
strcpy(WOutDev[i].caps.szPname, "SB16 Wave Out");
#else
WOutDev[i].caps.wMid = 0x00FF; /* Manufac ID */
WOutDev[i].caps.wPid = 0x0001; /* Product ID */
/* strcpy(WOutDev[i].caps.szPname, "OpenSoundSystem WAVOUT Driver");*/
strcpy(WOutDev[i].caps.szPname, "CS4236/37/38");
#endif
WOutDev[i].caps.vDriverVersion = 0x0100;
WOutDev[i].caps.dwFormats = 0x00000000;
WOutDev[i].caps.dwSupport = WAVECAPS_VOLUME;
WOutDev[i].caps.wChannels = 2;
WOutDev[i].caps.dwSupport |= WAVECAPS_LRVOLUME;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M08;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S08;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4S16;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_4M16;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M08;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S08;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2M16;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_2S16;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M08;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S08;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1M16;
WOutDev[i].caps.dwFormats |= WAVE_FORMAT_1S16;
}
return 0;
}
/******************************************************************
* ARTS_InitRingMessage
*
* Initialize the ring of messages for passing between driver's caller and playback/record
* thread
*/
static int ARTS_InitRingMessage(ARTS_MSG_RING* mr)
{
mr->msg_toget = 0;
mr->msg_tosave = 0;
mr->msg_event = CreateEventA(NULL, FALSE, FALSE, NULL);
mr->ring_buffer_size = ARTS_RING_BUFFER_INCREMENT;
mr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,mr->ring_buffer_size * sizeof(RING_MSG));
InitializeCriticalSection(&mr->msg_crst);
return 0;
}
/******************************************************************
* ARTS_DestroyRingMessage
*
*/
static int ARTS_DestroyRingMessage(ARTS_MSG_RING* mr)
{
CloseHandle(mr->msg_event);
HeapFree(GetProcessHeap(),0,mr->messages);
DeleteCriticalSection(&mr->msg_crst);
return 0;
}
/******************************************************************
* ARTS_AddRingMessage
*
* Inserts a new message into the ring (should be called from DriverProc derivated routines)
*/
static int ARTS_AddRingMessage(ARTS_MSG_RING* mr, enum win_wm_message msg, DWORD param, BOOL wait)
{
HANDLE hEvent = INVALID_HANDLE_VALUE;
EnterCriticalSection(&mr->msg_crst);
if ((mr->msg_toget == ((mr->msg_tosave + 1) % mr->ring_buffer_size)))
{
mr->ring_buffer_size += ARTS_RING_BUFFER_INCREMENT;
TRACE("mr->ring_buffer_size=%d\n",mr->ring_buffer_size);
mr->messages = HeapReAlloc(GetProcessHeap(),0,mr->messages, mr->ring_buffer_size * sizeof(RING_MSG));
}
if (wait)
{
hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
if (hEvent == INVALID_HANDLE_VALUE)
{
ERR("can't create event !?\n");
LeaveCriticalSection(&mr->msg_crst);
return 0;
}
if (mr->msg_toget != mr->msg_tosave && mr->messages[mr->msg_toget].msg != WINE_WM_HEADER)
FIXME("two fast messages in the queue!!!!\n");
/* fast messages have to be added at the start of the queue */
mr->msg_toget = (mr->msg_toget + mr->ring_buffer_size - 1) % mr->ring_buffer_size;
mr->messages[mr->msg_toget].msg = msg;
mr->messages[mr->msg_toget].param = param;
mr->messages[mr->msg_toget].hEvent = hEvent;
}
else
{
mr->messages[mr->msg_tosave].msg = msg;
mr->messages[mr->msg_tosave].param = param;
mr->messages[mr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
mr->msg_tosave = (mr->msg_tosave + 1) % mr->ring_buffer_size;
}
LeaveCriticalSection(&mr->msg_crst);
SetEvent(mr->msg_event); /* signal a new message */
if (wait)
{
/* wait for playback/record thread to have processed the message */
WaitForSingleObject(hEvent, INFINITE);
CloseHandle(hEvent);
}
return 1;
}
/******************************************************************
* ARTS_RetrieveRingMessage
*
* Get a message from the ring. Should be called by the playback/record thread.
*/
static int ARTS_RetrieveRingMessage(ARTS_MSG_RING* mr,
enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
{
EnterCriticalSection(&mr->msg_crst);
if (mr->msg_toget == mr->msg_tosave) /* buffer empty ? */
{
LeaveCriticalSection(&mr->msg_crst);
return 0;
}
*msg = mr->messages[mr->msg_toget].msg;
mr->messages[mr->msg_toget].msg = 0;
*param = mr->messages[mr->msg_toget].param;
*hEvent = mr->messages[mr->msg_toget].hEvent;
mr->msg_toget = (mr->msg_toget + 1) % mr->ring_buffer_size;
LeaveCriticalSection(&mr->msg_crst);
return 1;
}
/*======================================================================*
* Low level WAVE OUT implementation *
*======================================================================*/
/**************************************************************************
* wodNotifyClient [internal]
*/
static DWORD wodNotifyClient(WINE_WAVEOUT* wwo, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
{
TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
switch (wMsg) {
case WOM_OPEN:
case WOM_CLOSE:
case WOM_DONE:
if (wwo->wFlags != DCB_NULL &&
!DriverCallback(wwo->waveDesc.dwCallback, wwo->wFlags, (HDRVR)wwo->waveDesc.hWave,
wMsg, wwo->waveDesc.dwInstance, dwParam1, dwParam2)) {
WARN("can't notify client !\n");
return MMSYSERR_ERROR;
}
break;
default:
FIXME("Unknown callback message %u\n", wMsg);
return MMSYSERR_INVALPARAM;
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodUpdatePlayedTotal [internal]
*
*/
static BOOL wodUpdatePlayedTotal(WINE_WAVEOUT* wwo)
{
/* total played is the bytes written less the bytes to write ;-) */
wwo->dwPlayedTotal = wwo->dwWrittenTotal -
(wwo->dwBufferSize -
arts_stream_get(wwo->play_stream, ARTS_P_BUFFER_SPACE));
return TRUE;
}
/**************************************************************************
* wodPlayer_BeginWaveHdr [internal]
*
* Makes the specified lpWaveHdr the currently playing wave header.
* If the specified wave header is a begin loop and we're not already in
* a loop, setup the loop.
*/
static void wodPlayer_BeginWaveHdr(WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
{
wwo->lpPlayPtr = lpWaveHdr;
if (!lpWaveHdr) return;
if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
if (wwo->lpLoopPtr) {
WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
TRACE("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
} else {
TRACE("Starting loop (%ldx) with %p\n", lpWaveHdr->dwLoops, lpWaveHdr);
wwo->lpLoopPtr = lpWaveHdr;
/* Windows does not touch WAVEHDR.dwLoops,
* so we need to make an internal copy */
wwo->dwLoops = lpWaveHdr->dwLoops;
}
}
wwo->dwPartialOffset = 0;
}
/**************************************************************************
* wodPlayer_PlayPtrNext [internal]
*
* Advance the play pointer to the next waveheader, looping if required.
*/
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;
} else {
/* Handle overlapping loops correctly */
if (wwo->lpLoopPtr != lpWaveHdr && (lpWaveHdr->dwFlags & WHDR_BEGINLOOP)) {
FIXME("Correctly handled case ? (ending loop buffer also starts a new loop)\n");
/* shall we consider the END flag for the closing loop or for
* the opening one or for both ???
* code assumes for closing loop only
*/
} else {
lpWaveHdr = lpWaveHdr->lpNext;
}
wwo->lpLoopPtr = NULL;
wodPlayer_BeginWaveHdr(wwo, lpWaveHdr);
}
} else {
/* We're not in a loop. Advance to the next wave header */
wodPlayer_BeginWaveHdr(wwo, lpWaveHdr = lpWaveHdr->lpNext);
}
return lpWaveHdr;
}
/**************************************************************************
* wodPlayer_DSPWait [internal]
* Returns the number of milliseconds to wait for the DSP buffer to clear.
* This is based on the number of fragments we want to be clear before
* writing and the number of free fragments we already have.
*/
static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
{
int waitvalue = (wwo->dwBufferSize - arts_stream_get(wwo->play_stream,
ARTS_P_BUFFER_SPACE)) / ((wwo->format.wf.nSamplesPerSec *
wwo->format.wBitsPerSample * wwo->format.wf.nChannels)
/1000);
TRACE("wait value of %d\n", waitvalue);
/* return the time left to play the buffer */
return waitvalue;
}
/**************************************************************************
* 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
* wave.
*/
static DWORD wodPlayer_NotifyWait(const WINE_WAVEOUT* wwo, LPWAVEHDR lpWaveHdr)
{
DWORD dwMillis;
if(lpWaveHdr->reserved < wwo->dwPlayedTotal)
{
dwMillis = 1;
}
else
{
dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.wf.nAvgBytesPerSec;
if(!dwMillis) dwMillis = 1;
}
TRACE("dwMillis = %ld\n", dwMillis);
return dwMillis;
}
/**************************************************************************
* wodPlayer_WriteMaxFrags [internal]
* Writes the maximum number of bytes possible to the DSP and returns
* the number of bytes written.
*/
static int wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* bytes)
{
/* Only attempt to write to free bytes */
DWORD dwLength = wwo->lpPlayPtr->dwBufferLength - wwo->dwPartialOffset;
int toWrite = min(dwLength, *bytes);
int written;
TRACE("Writing wavehdr %p.%lu[%lu]\n",
wwo->lpPlayPtr, wwo->dwPartialOffset, wwo->lpPlayPtr->dwBufferLength);
/* see if our buffer isn't large enough for the data we are writing */
if(wwo->buffer_size < toWrite)
{
if(wwo->sound_buffer)
HeapFree(GetProcessHeap(), 0, wwo->sound_buffer);
}
/* if we don't have a buffer then get one */
if(!wwo->sound_buffer)
{
/* allocate some memory for the buffer */
wwo->sound_buffer = HeapAlloc(GetProcessHeap(), 0, toWrite);
wwo->buffer_size = toWrite;
}
/* if we don't have a buffer then error out */
if(!wwo->sound_buffer)
{
ERR("error allocating sound_buffer memory\n");
return 0;
}
TRACE("toWrite == %d\n", toWrite);
/* apply volume to the bits */
/* for single channel audio streams we only use the LEFT volume */
if(wwo->format.wBitsPerSample == 16)
{
/* apply volume to the buffer we are about to send */
/* divide toWrite(bytes) by 2 as volume processes by 16 bits */
volume_effect16(wwo->lpPlayPtr->lpData + wwo->dwPartialOffset,
wwo->sound_buffer, toWrite>>1, wwo->volume_left,
wwo->volume_right, wwo->format.wf.nChannels);
} else if(wwo->format.wBitsPerSample == 8)
{
/* apply volume to the buffer we are about to send */
volume_effect8(wwo->lpPlayPtr->lpData + wwo->dwPartialOffset,
wwo->sound_buffer, toWrite, wwo->volume_left,
wwo->volume_right, wwo->format.wf.nChannels);
} else
{
FIXME("unsupported wwo->format.wBitsPerSample of %d\n",
wwo->format.wBitsPerSample);
}
/* send the audio data to arts for playing */
written = arts_write(wwo->play_stream, wwo->sound_buffer, toWrite);
TRACE("written = %d\n", written);
if (written <= 0) return written; /* if we wrote nothing just return */
if (written >= dwLength)
wodPlayer_PlayPtrNext(wwo); /* If we wrote all current wavehdr, skip to the next one */
else
wwo->dwPartialOffset += written; /* Remove the amount written */
*bytes -= written;
wwo->dwWrittenTotal += written; /* update stats on this wave device */
return written; /* return the number of bytes written */
}
/**************************************************************************
* wodPlayer_NotifyCompletions [internal]
*
* Notifies and remove from queue all wavehdrs which have been played to
* the speaker (ie. they have cleared the audio device). If force is true,
* we notify all wavehdrs and remove them all from the queue even if they
* are unplayed or part of a loop.
*/
static DWORD wodPlayer_NotifyCompletions(WINE_WAVEOUT* wwo, BOOL force)
{
LPWAVEHDR lpWaveHdr;
/* Start from lpQueuePtr and keep notifying until:
* - we hit an unwritten wavehdr
* - we hit the beginning of a running loop
* - we hit a wavehdr which hasn't finished playing
*/
while ((lpWaveHdr = wwo->lpQueuePtr) &&
(force ||
(lpWaveHdr != wwo->lpPlayPtr &&
lpWaveHdr != wwo->lpLoopPtr &&
lpWaveHdr->reserved <= wwo->dwPlayedTotal))) {
wwo->lpQueuePtr = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
}
return (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
}
/**************************************************************************
* 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 arts, otherwise we would do the flushing here */
if (reset) {
enum win_wm_message msg;
DWORD 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;
wwo->dwPartialOffset = 0; /* Clear partial wavehdr */
/* remove any existing message in the ring */
EnterCriticalSection(&wwo->msgRing.msg_crst);
/* return all pending headers in queue */
while (ARTS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &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, except strange results\n");
wwo->lpPlayPtr = wwo->lpLoopPtr;
wwo->dwPartialOffset = 0;
wwo->dwWrittenTotal = wwo->dwPlayedTotal; /* this is wrong !!! */
} else {
/* the data already written is going to be played, so take */
/* this fact into account here */
wwo->dwPlayedTotal = wwo->dwWrittenTotal;
}
wwo->state = WINE_WS_PAUSED;
}
}
/**************************************************************************
* wodPlayer_ProcessMessages [internal]
*/
static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
{
LPWAVEHDR lpWaveHdr;
enum win_wm_message msg;
DWORD param;
HANDLE ev;
while (ARTS_RetrieveRingMessage(&wwo->msgRing, &msg, &param, &ev)) {
TRACE("Received %s %lx\n", wodPlayerCmdString[msg - WM_USER - 1], param);
switch (msg) {
case WINE_WM_PAUSING:
wodPlayer_Reset(wwo, FALSE);
SetEvent(ev);
break;
case WINE_WM_RESTARTING:
wwo->state = WINE_WS_PLAYING;
SetEvent(ev);
break;
case WINE_WM_HEADER:
lpWaveHdr = (LPWAVEHDR)param;
/* insert buffer at the end of queue */
{
LPWAVEHDR* wh;
for (wh = &(wwo->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
*wh = lpWaveHdr;
}
if (!wwo->lpPlayPtr)
wodPlayer_BeginWaveHdr(wwo,lpWaveHdr);
if (wwo->state == WINE_WS_STOPPED)
wwo->state = WINE_WS_PLAYING;
break;
case WINE_WM_RESETTING:
wodPlayer_Reset(wwo, TRUE);
SetEvent(ev);
break;
case WINE_WM_UPDATE:
wodUpdatePlayedTotal(wwo);
SetEvent(ev);
break;
case WINE_WM_BREAKLOOP:
if (wwo->state == WINE_WS_PLAYING && wwo->lpLoopPtr != NULL) {
/* ensure exit at end of current loop */
wwo->dwLoops = 1;
}
SetEvent(ev);
break;
case WINE_WM_CLOSING:
/* sanity check: this should not happen since the device must have been reset before */
if (wwo->lpQueuePtr || wwo->lpPlayPtr) ERR("out of sync\n");
wwo->hThread = 0;
wwo->state = WINE_WS_CLOSED;
SetEvent(ev);
ExitThread(0);
/* shouldn't go here */
default:
FIXME("unknown message %d\n", msg);
break;
}
}
}
/**************************************************************************
* wodPlayer_FeedDSP [internal]
* Feed as much sound data as we can into the DSP and return the number of
* milliseconds before it will be necessary to feed the DSP again.
*/
static DWORD wodPlayer_FeedDSP(WINE_WAVEOUT* wwo)
{
DWORD availInQ;
wodUpdatePlayedTotal(wwo);
availInQ = arts_stream_get(wwo->play_stream, ARTS_P_BUFFER_SPACE);
TRACE("availInQ = %ld\n", availInQ);
/* input queue empty and output buffer with no space */
if (!wwo->lpPlayPtr && availInQ) {
TRACE("Run out of wavehdr:s... flushing\n");
wwo->dwPlayedTotal = wwo->dwWrittenTotal;
return INFINITE;
}
/* no more room... no need to try to feed */
if(!availInQ)
{
TRACE("no more room, no need to try to feed\n");
return wodPlayer_DSPWait(wwo);
}
/* Feed from partial wavehdr */
if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0)
{
TRACE("feeding from partial wavehdr\n");
wodPlayer_WriteMaxFrags(wwo, &availInQ);
}
/* Feed wavehdrs until we run out of wavehdrs or DSP space */
if (!wwo->dwPartialOffset)
{
while(wwo->lpPlayPtr && availInQ > SPACE_THRESHOLD)
{
TRACE("feeding waveheaders until we run out of space\n");
/* note the value that dwPlayedTotal will return when this wave finishes playing */
wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
wodPlayer_WriteMaxFrags(wwo, &availInQ);
}
}
return wodPlayer_DSPWait(wwo);
}
/**************************************************************************
* wodPlayer [internal]
*/
static DWORD CALLBACK wodPlayer(LPVOID pmt)
{
WORD uDevID = (DWORD)pmt;
WINE_WAVEOUT* wwo = (WINE_WAVEOUT*)&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 %lums (%lu,%lu)\n", dwSleepTime, dwNextFeedTime, dwNextNotifyTime);
WaitForSingleObject(wwo->msgRing.msg_event, dwSleepTime);
wodPlayer_ProcessMessages(wwo);
if (wwo->state == WINE_WS_PLAYING) {
dwNextFeedTime = wodPlayer_FeedDSP(wwo);
dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
} else {
dwNextFeedTime = dwNextNotifyTime = INFINITE;
}
}
}
/**************************************************************************
* wodGetDevCaps [internal]
*/
static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSA lpCaps, DWORD dwSize)
{
TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
if (wDevID >= MAX_WAVEOUTDRV) {
TRACE("MAX_WAVOUTDRV reached !\n");
return MMSYSERR_BADDEVICEID;
}
memcpy(lpCaps, &WOutDev[wDevID].caps, min(dwSize, sizeof(*lpCaps)));
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodOpen [internal]
*/
static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
WINE_WAVEOUT* wwo;
TRACE("(%u, %p, %08lX);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= MAX_WAVEOUTDRV) {
TRACE("MAX_WAVOUTDRV reached !\n");
return MMSYSERR_BADDEVICEID;
}
/* if this device is already open tell the app that it is allocated */
if(WOutDev[wDevID].play_stream != (arts_stream_t*)-1)
{
TRACE("device already allocated\n");
return MMSYSERR_ALLOCATED;
}
/* only PCM format is supported so far... */
if (lpDesc->lpFormat->wFormatTag != WAVE_FORMAT_PCM ||
lpDesc->lpFormat->nChannels == 0 ||
lpDesc->lpFormat->nSamplesPerSec == 0) {
WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return WAVERR_BADFORMAT;
}
if (dwFlags & WAVE_FORMAT_QUERY) {
TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%ld !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return MMSYSERR_NOERROR;
}
wwo = &WOutDev[wDevID];
/* direct sound not supported, ignore the flag */
dwFlags &= ~WAVE_DIRECTSOUND;
wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
memcpy(&wwo->format, lpDesc->lpFormat, sizeof(PCMWAVEFORMAT));
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;
}
wwo->play_stream = arts_play_stream(wwo->format.wf.nSamplesPerSec,
wwo->format.wBitsPerSample, wwo->format.wf.nChannels, "winearts");
/* clear these so we don't have any confusion ;-) */
wwo->sound_buffer = 0;
wwo->buffer_size = 0;
arts_stream_set(wwo->play_stream, ARTS_P_BLOCKING, 0); /* disable blocking on this stream */
if(!wwo->play_stream) return MMSYSERR_ALLOCATED;
/* Try to set buffer size from constant and store the value that it
was set to for future use */
wwo->dwBufferSize = arts_stream_set(wwo->play_stream,
ARTS_P_BUFFER_SIZE, BUFFER_SIZE);
TRACE("Tried to set BUFFER_SIZE of %d, wwo->dwBufferSize is actually %ld\n", BUFFER_SIZE, wwo->dwBufferSize);
wwo->dwPlayedTotal = 0;
wwo->dwWrittenTotal = 0;
/* Initialize volume to full level */
wwo->volume_left = 100;
wwo->volume_right = 100;
ARTS_InitRingMessage(&wwo->msgRing);
/* create player thread */
if (!(dwFlags & WAVE_DIRECTSOUND)) {
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);
} else {
wwo->hThread = INVALID_HANDLE_VALUE;
wwo->dwThreadID = 0;
}
wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
TRACE("stream=0x%lx, dwBufferSize=%ld\n",
(long)wwo->play_stream, wwo->dwBufferSize);
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 >= MAX_WAVEOUTDRV || WOutDev[wDevID].play_stream ==
(arts_stream_t*)-1)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
wwo = &WOutDev[wDevID];
if (wwo->lpQueuePtr) {
WARN("buffers still playing !\n");
ret = WAVERR_STILLPLAYING;
} else {
TRACE("imhere[3-close]\n");
if (wwo->hThread != INVALID_HANDLE_VALUE) {
ARTS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
}
ARTS_DestroyRingMessage(&wwo->msgRing);
ARTS_CloseDevice(wwo); /* close the stream and clean things up */
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 >= MAX_WAVEOUTDRV || WOutDev[wDevID].play_stream ==
(arts_stream_t*)-1)
{
WARN("bad dev ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
{
TRACE("unprepared\n");
return WAVERR_UNPREPARED;
}
if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
{
TRACE("still playing\n");
return WAVERR_STILLPLAYING;
}
lpWaveHdr->dwFlags &= ~WHDR_DONE;
lpWaveHdr->dwFlags |= WHDR_INQUEUE;
lpWaveHdr->lpNext = 0;
TRACE("adding ring message\n");
ARTS_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 >= MAX_WAVEOUTDRV) {
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 >= MAX_WAVEOUTDRV) {
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 >= MAX_WAVEOUTDRV || WOutDev[wDevID].play_stream ==
(arts_stream_t*)-1)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
TRACE("imhere[3-PAUSING]\n");
ARTS_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 >= MAX_WAVEOUTDRV || WOutDev[wDevID].play_stream ==
(arts_stream_t*)-1)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
TRACE("imhere[3-RESTARTING]\n");
ARTS_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 >= MAX_WAVEOUTDRV || WOutDev[wDevID].play_stream ==
(arts_stream_t*)-1)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
TRACE("imhere[3-RESET]\n");
ARTS_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 >= MAX_WAVEOUTDRV || WOutDev[wDevID].play_stream ==
(arts_stream_t*)-1)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (lpTime == NULL) return MMSYSERR_INVALPARAM;
wwo = &WOutDev[wDevID];
ARTS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
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 / 108000;
time -= lpTime->u.smpte.hour * 108000;
lpTime->u.smpte.min = time / 1800;
time -= lpTime->u.smpte.min * 1800;
lpTime->u.smpte.sec = time / 30;
time -= lpTime->u.smpte.sec * 30;
lpTime->u.smpte.frame = time;
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 >= MAX_WAVEOUTDRV || WOutDev[wDevID].play_stream ==
(arts_stream_t*)-1)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
ARTS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetVolume [internal]
*/
static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
{
DWORD left, right;
left = WOutDev[wDevID].volume_left;
right = WOutDev[wDevID].volume_right;
TRACE("(%u, %p);\n", wDevID, lpdwVol);
*lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) <<
16);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodSetVolume [internal]
*/
static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
{
DWORD left, right;
left = (LOWORD(dwParam) * 100) / 0xFFFFl;
right = (HIWORD(dwParam) * 100) / 0xFFFFl;
TRACE("(%u, %08lX);\n", wDevID, dwParam);
WOutDev[wDevID].volume_left = left;
WOutDev[wDevID].volume_right = right;
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetNumDevs [internal]
*/
static DWORD wodGetNumDevs(void)
{
return MAX_WAVEOUTDRV;
}
/**************************************************************************
* wodMessage (WINEARTS.@)
*/
DWORD WINAPI ARTS_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)dwParam1, dwParam2);
case WODM_PAUSE: return wodPause (wDevID);
case WODM_GETPOS: return wodGetPosition (wDevID, (LPMMTIME)dwParam1, dwParam2);
case WODM_BREAKLOOP: return wodBreakLoop (wDevID);
case WODM_PREPARE: return wodPrepare (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_UNPREPARE: return wodUnprepare (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_GETDEVCAPS: return wodGetDevCaps (wDevID, (LPWAVEOUTCAPSA)dwParam1, dwParam2);
case WODM_GETNUMDEVS: return wodGetNumDevs ();
case WODM_GETPITCH: return MMSYSERR_NOTSUPPORTED;
case WODM_SETPITCH: return MMSYSERR_NOTSUPPORTED;
case WODM_GETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
case WODM_SETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
case WODM_GETVOLUME: return wodGetVolume (wDevID, (LPDWORD)dwParam1);
case WODM_SETVOLUME: return wodSetVolume (wDevID, dwParam1);
case WODM_RESTART: return wodRestart (wDevID);
case WODM_RESET: return wodReset (wDevID);
case DRV_QUERYDSOUNDIFACE: return wodDsCreate (wDevID, (PIDSDRIVER*)dwParam1);
case DRV_QUERYDSOUNDDESC: return wodDsDesc (wDevID, (PDSDRIVERDESC)dwParam1);
case DRV_QUERYDSOUNDGUID: return wodDsGuid (wDevID, (LPGUID)dwParam1);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Low level DSOUND implementation *
*======================================================================*/
static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
{
/* we can't perform memory mapping as we don't have a file stream
interface with arts like we do with oss */
MESSAGE("This sound card's driver does not support direct access\n");
MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
return MMSYSERR_NOTSUPPORTED;
}
static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
{
memset(desc, 0, sizeof(*desc));
strcpy(desc->szDesc, "Wine aRts DirectSound Driver");
strcpy(desc->szDrvName, "winearts.drv");
return MMSYSERR_NOERROR;
}
static DWORD wodDsGuid(UINT wDevID, LPGUID pGuid)
{
memcpy(pGuid, &DSDEVID_DefaultPlayback, sizeof(GUID));
return MMSYSERR_NOERROR;
}
#else /* !HAVE_ARTS */
/**************************************************************************
* wodMessage (WINEARTS.@)
*/
DWORD WINAPI ARTS_wodMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
FIXME("(%u, %04X, %08lX, %08lX, %08lX):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
return MMSYSERR_NOTENABLED;
}
#endif /* HAVE_ARTS */
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