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goma / wine / a82f7cf44650ccaac0e90cc442c818c26d20ddd1 / . / dlls / winenas.drv / audio.c
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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Wine Driver for NAS Network Audio System
* http://radscan.com/nas.html
*
* 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)
* 2002 Nicolas Escuder (NAS version of this file)
*
* Copyright 2002 Nicolas Escuder <n.escuder@alineanet.com>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* NOTE:
* with nas we cannot stop the audio that is already in
* the servers buffer.
*
* FIXME:
* pause in waveOut does not work correctly in loop mode
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <fcntl.h>
#include <math.h>
#define FRAG_SIZE 1024
#define FRAG_COUNT 10
/* avoid type conflicts */
#define INT8 X_INT8
#define INT16 X_INT16
#define INT32 X_INT32
#define INT64 X_INT64
#define BOOL X_BOOL
#define BYTE X_BYTE
#ifdef HAVE_AUDIO_AUDIOLIB_H
#include <audio/audiolib.h>
#endif
#ifdef HAVE_AUDIO_SOUNDLIB_H
#include <audio/soundlib.h>
#endif
#undef INT8
#undef INT16
#undef INT32
#undef INT64
#undef LONG64
#undef BOOL
#undef BYTE
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "mmddk.h"
#include "dsound.h"
#include "dsdriver.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wave);
/* Allow 1% deviation for sample rates (some ES137x cards) */
#define NEAR_MATCH(rate1,rate2) (((100*((int)(rate1)-(int)(rate2)))/(rate1))==0)
static AuServer *AuServ;
#define MAX_WAVEOUTDRV (1)
/* 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_PTR 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 NAS_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;
} MSG_RING;
typedef struct {
volatile int state; /* one of the WINE_WS_ manifest constants */
WAVEOPENDESC waveDesc;
WORD wFlags;
PCMWAVEFORMAT format;
WAVEOUTCAPSW caps;
int Id;
int open;
AuServer *AuServ;
AuDeviceID AuDev;
AuFlowID AuFlow;
BOOL FlowStarted;
DWORD writeBytes;
DWORD freeBytes;
DWORD sendBytes;
DWORD BufferSize; /* size of whole buffer in bytes */
char* SoundBuffer;
long BufferUsed;
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 */
LPWAVEHDR lpLoopPtr; /* pointer of first buffer in loop, if any */
DWORD dwLoops; /* private copy of loop counter */
DWORD PlayedTotal; /* number of bytes actually played since opening */
DWORD WrittenTotal; /* number of bytes written to the audio device since opening */
/* synchronization stuff */
HANDLE hStartUpEvent;
HANDLE hThread;
DWORD dwThreadID;
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);
/* NASFUNC */
static AuBool event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd);
static int nas_init(void);
static int nas_end(void);
static int nas_finddev(WINE_WAVEOUT* wwo);
static int nas_open(WINE_WAVEOUT* wwo);
static int nas_free(WINE_WAVEOUT* wwo);
static int nas_close(WINE_WAVEOUT* wwo);
static void buffer_resize(WINE_WAVEOUT* wwo, int len);
static int nas_add_buffer(WINE_WAVEOUT* wwo);
static int nas_send_buffer(WINE_WAVEOUT* wwo);
/* These strings used only for tracing */
static const char * const wodPlayerCmdString[] = {
"WINE_WM_PAUSING",
"WINE_WM_RESTARTING",
"WINE_WM_RESETTING",
"WINE_WM_HEADER",
"WINE_WM_UPDATE",
"WINE_WM_BREAKLOOP",
"WINE_WM_CLOSING",
};
static const char * const nas_elementnotify_kinds[] = {
"LowWater",
"HighWater",
"State",
"Unknown"
};
static const char * const nas_states[] = {
"Stop",
"Start",
"Pause",
"Any"
};
static const char * const nas_reasons[] = {
"User",
"Underrun",
"Overrun",
"EOF",
"Watermark",
"Hardware",
"Any"
};
static const char* nas_reason(unsigned int reason)
{
if (reason > 6) reason = 6;
return nas_reasons[reason];
}
static const char* nas_elementnotify_kind(unsigned int kind)
{
if (kind > 2) kind = 3;
return nas_elementnotify_kinds[kind];
}
#if 0
static const char* nas_event_type(unsigned int type)
{
static const char * const nas_event_types[] =
{
"Undefined",
"Undefined",
"ElementNotify",
"GrabNotify",
"MonitorNotify",
"BucketNotify",
"DeviceNotify"
};
if (type > 6) type = 0;
return nas_event_types[type];
}
#endif
static const char* nas_state(unsigned int state)
{
if (state > 3) state = 3;
return nas_states[state];
}
static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
PCMWAVEFORMAT* format)
{
TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%u nChannels=%u nAvgBytesPerSec=%u\n",
lpTime->wType, format->wBitsPerSample, format->wf.nSamplesPerSec,
format->wf.nChannels, format->wf.nAvgBytesPerSec);
TRACE("Position in bytes=%u\n", position);
switch (lpTime->wType) {
case TIME_SAMPLES:
lpTime->u.sample = position / (format->wBitsPerSample / 8 * format->wf.nChannels);
TRACE("TIME_SAMPLES=%u\n", lpTime->u.sample);
break;
case TIME_MS:
lpTime->u.ms = 1000.0 * position / (format->wBitsPerSample / 8 * format->wf.nChannels * format->wf.nSamplesPerSec);
TRACE("TIME_MS=%u\n", lpTime->u.ms);
break;
case TIME_SMPTE:
lpTime->u.smpte.fps = 30;
position = position / (format->wBitsPerSample / 8 * format->wf.nChannels);
position += (format->wf.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
lpTime->u.smpte.sec = position / format->wf.nSamplesPerSec;
position -= lpTime->u.smpte.sec * format->wf.nSamplesPerSec;
lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
lpTime->u.smpte.fps = 30;
lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->wf.nSamplesPerSec;
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:
WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
lpTime->wType = TIME_BYTES;
/* fall through */
case TIME_BYTES:
lpTime->u.cb = position;
TRACE("TIME_BYTES=%u\n", lpTime->u.cb);
break;
}
return MMSYSERR_NOERROR;
}
/*======================================================================*
* Low level WAVE implementation *
*======================================================================*/
#if 0
/* Volume functions derived from Alsaplayer source */
/* length is the number of 16 bit samples */
static void volume_effect16(void *bufin, void* bufout, int length, int left,
int right, int nChannels)
{
short *d_out = bufout;
short *d_in = 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 */
static void volume_effect8(void *bufin, void* bufout, int length, int left,
int right, int nChannels)
{
char *d_out = bufout;
char *d_in = 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 = (char) ((*(d_in++) * left) / 100);
*(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
if(nChannels == 2)
{
v = (char) ((*(d_in++) * right) / 100);
*(d_out++) = (v>255) ? 255 : ((v<0) ? 0 : v);
}
}
}
#endif
/******************************************************************
* NAS_CloseDevice
*
*/
static void NAS_CloseDevice(WINE_WAVEOUT* wwo)
{
TRACE("NAS_CloseDevice\n");
nas_close(wwo);
}
/******************************************************************
* NAS_WaveClose
*/
static LONG NAS_WaveClose(void)
{
nas_end(); /* free up nas server */
return 1;
}
/******************************************************************
* NAS_WaveInit
*
* Initialize internal structures from NAS server info
*/
static LONG NAS_WaveInit(void)
{
int i;
if (!nas_init()) return MMSYSERR_ERROR;
/* initialize all device handles to -1 */
for (i = 0; i < MAX_WAVEOUTDRV; ++i)
{
static const WCHAR ini[] = {'N','A','S',' ','W','A','V','E','O','U','T',' ','D','r','i','v','e','r',0};
memset(&WOutDev[i].caps, 0, sizeof(WOutDev[i].caps)); /* zero out caps values */
WOutDev[i].AuServ = AuServ;
WOutDev[i].AuDev = AuNone;
WOutDev[i].Id = i;
WOutDev[i].caps.wMid = 0x00FF; /* Manufac ID */
WOutDev[i].caps.wPid = 0x0001; /* Product ID */
strcpyW(WOutDev[i].caps.szPname, ini);
WOutDev[i].AuFlow = 0;
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;
}
/******************************************************************
* NAS_InitRingMessage
*
* Initialize the ring of messages for passing between driver's caller and playback/record
* thread
*/
static int NAS_InitRingMessage(MSG_RING* mr)
{
mr->msg_toget = 0;
mr->msg_tosave = 0;
mr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
mr->ring_buffer_size = NAS_RING_BUFFER_INCREMENT;
mr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,mr->ring_buffer_size * sizeof(RING_MSG));
InitializeCriticalSection(&mr->msg_crst);
mr->msg_crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MSG_RING.msg_crst");
return 0;
}
/******************************************************************
* NAS_DestroyRingMessage
*
*/
static int NAS_DestroyRingMessage(MSG_RING* mr)
{
CloseHandle(mr->msg_event);
HeapFree(GetProcessHeap(),0,mr->messages);
mr->msg_crst.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&mr->msg_crst);
return 0;
}
/******************************************************************
* NAS_AddRingMessage
*
* Inserts a new message into the ring (should be called from DriverProc derived routines)
*/
static int NAS_AddRingMessage(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)))
{
int old_ring_buffer_size = mr->ring_buffer_size;
mr->ring_buffer_size += NAS_RING_BUFFER_INCREMENT;
TRACE("omr->ring_buffer_size=%d\n",mr->ring_buffer_size);
mr->messages = HeapReAlloc(GetProcessHeap(),0,mr->messages, mr->ring_buffer_size * sizeof(RING_MSG));
/* Now we need to rearrange the ring buffer so that the new
buffers just allocated are in between mr->msg_tosave and
mr->msg_toget.
*/
if (mr->msg_tosave < mr->msg_toget)
{
memmove(&(mr->messages[mr->msg_toget + NAS_RING_BUFFER_INCREMENT]),
&(mr->messages[mr->msg_toget]),
sizeof(RING_MSG)*(old_ring_buffer_size - mr->msg_toget)
);
mr->msg_toget += NAS_RING_BUFFER_INCREMENT;
}
}
if (wait)
{
hEvent = CreateEventW(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;
}
/******************************************************************
* NAS_RetrieveRingMessage
*
* Get a message from the ring. Should be called by the playback/record thread.
*/
static int NAS_RetrieveRingMessage(MSG_RING* mr, enum win_wm_message *msg,
DWORD_PTR *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_PTR dwParam1,
DWORD_PTR dwParam2)
{
TRACE("wMsg = 0x%04x dwParm1 = %08lX dwParam2 = %08lX\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)
{
wwo->PlayedTotal = wwo->WrittenTotal;
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 (%dx) 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;
}
}
}
/**************************************************************************
* 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;
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_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
*/
wodUpdatePlayedTotal(wwo);
while ((lpWaveHdr = wwo->lpQueuePtr) && (force || (lpWaveHdr != wwo->lpPlayPtr &&
lpWaveHdr != wwo->lpLoopPtr && lpWaveHdr->reserved <= wwo->PlayedTotal))) {
wwo->lpQueuePtr = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, (DWORD_PTR)lpWaveHdr, 0);
}
return (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
1 : 1;
}
/**************************************************************************
* 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, &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, 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_ProcessMessages [internal]
*/
static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
{
LPWAVEHDR lpWaveHdr;
enum win_wm_message msg;
DWORD_PTR param;
HANDLE ev;
while (NAS_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 [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;
}
}
/**************************************************************************
* wodGetDevCaps [internal]
*/
static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
{
TRACE("(%u, %p, %u);\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("wodOpen (%u, %p, %08X);\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 */
wwo = &WOutDev[wDevID];
if(wwo->open)
{
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 ||
(lpDesc->lpFormat->wBitsPerSample!=8 && lpDesc->lpFormat->wBitsPerSample!=16)) {
WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\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=%d !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return MMSYSERR_NOERROR;
}
/* direct sound not supported, ignore the flag */
dwFlags &= ~WAVE_DIRECTSOUND;
wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
wwo->waveDesc = *lpDesc;
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;
}
if (!nas_open(wwo))
return MMSYSERR_ALLOCATED;
NAS_InitRingMessage(&wwo->msgRing);
/* create player thread */
if (!(dwFlags & WAVE_DIRECTSOUND)) {
wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD_PTR)wDevID,
0, &(wwo->dwThreadID));
if (wwo->hThread)
SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
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, BufferSize=%d\n", (long)wwo->AuServ, wwo->BufferSize);
TRACE("wBitsPerSample=%u nAvgBytesPerSec=%u nSamplesPerSec=%u 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 || AuServ == NULL)
{
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) {
NAS_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
}
NAS_DestroyRingMessage(&wwo->msgRing);
NAS_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, %08X);\n", wDevID, lpWaveHdr, dwSize);
/* first, do the sanity checks... */
if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
{
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");
NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD_PTR)lpWaveHdr, FALSE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodPause [internal]
*/
static DWORD wodPause(WORD wDevID)
{
TRACE("(%u);!\n", wDevID);
if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
TRACE("imhere[3-PAUSING]\n");
NAS_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 || AuServ == NULL)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
TRACE("imhere[3-RESTARTING]\n");
NAS_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 || AuServ == NULL)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
TRACE("imhere[3-RESET]\n");
NAS_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetPosition [internal]
*/
static DWORD wodGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
{
WINE_WAVEOUT* wwo;
TRACE("%u, %p, %u);\n", wDevID, lpTime, uSize);
if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (lpTime == NULL) return MMSYSERR_INVALPARAM;
wwo = &WOutDev[wDevID];
#if 0
NAS_AddRingMessage(&wwo->msgRing, WINE_WM_UPDATE, 0, TRUE);
#endif
return bytes_to_mmtime(lpTime, wwo->WrittenTotal, &wwo->format);
}
/**************************************************************************
* wodBreakLoop [internal]
*/
static DWORD wodBreakLoop(WORD wDevID)
{
TRACE("(%u);\n", wDevID);
if (wDevID >= MAX_WAVEOUTDRV || AuServ == NULL)
{
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
NAS_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, %08X);\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 (WINENAS.@)
*/
DWORD WINAPI NAS_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
TRACE("(%u, %04X, %08X, %08lX, %08lX);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch (wMsg) {
case DRVM_INIT:
return NAS_WaveInit();
case DRVM_EXIT:
return NAS_WaveClose();
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 MMSYSERR_NOTSUPPORTED;
case WODM_UNPREPARE: return MMSYSERR_NOTSUPPORTED;
case WODM_GETDEVCAPS: return wodGetDevCaps (wDevID, (LPWAVEOUTCAPSW)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);
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 nas 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 NAS DirectSound Driver");
strcpy(desc->szDrvname, "winenas.drv");
return MMSYSERR_NOERROR;
}
static int nas_init(void) {
TRACE("NAS INIT\n");
if (!(AuServ = AuOpenServer(NULL, 0, NULL, 0, NULL, NULL)))
return 0;
return 1;
}
static int nas_finddev(WINE_WAVEOUT* wwo) {
int i;
for (i = 0; i < AuServerNumDevices(wwo->AuServ); i++) {
if ((AuDeviceKind(AuServerDevice(wwo->AuServ, i)) ==
AuComponentKindPhysicalOutput) &&
AuDeviceNumTracks(AuServerDevice(wwo->AuServ, i)) == wwo->format.wf.nChannels)
{
wwo->AuDev = AuDeviceIdentifier(AuServerDevice(wwo->AuServ, i));
break;
}
}
if (wwo->AuDev == AuNone)
return 0;
return 1;
}
static int nas_open(WINE_WAVEOUT* wwo) {
AuElement elements[3];
if (!wwo->AuServ)
return 0;
if (!nas_finddev(wwo))
return 0;
if (!(wwo->AuFlow = AuCreateFlow(wwo->AuServ, NULL)))
return 0;
wwo->BufferSize = FRAG_SIZE * FRAG_COUNT;
AuMakeElementImportClient(&elements[0], wwo->format.wf.nSamplesPerSec,
wwo->format.wBitsPerSample == 16 ? AuFormatLinearSigned16LSB : AuFormatLinearUnsigned8,
wwo->format.wf.nChannels, AuTrue, wwo->BufferSize, wwo->BufferSize / 2, 0, NULL);
AuMakeElementExportDevice(&elements[1], 0, wwo->AuDev, wwo->format.wf.nSamplesPerSec,
AuUnlimitedSamples, 0, NULL);
AuSetElements(wwo->AuServ, wwo->AuFlow, AuTrue, 2, elements, NULL);
AuRegisterEventHandler(wwo->AuServ, AuEventHandlerIDMask, 0, wwo->AuFlow,
event_handler, (AuPointer) wwo);
wwo->PlayedTotal = 0;
wwo->WrittenTotal = 0;
wwo->open = 1;
wwo->BufferUsed = 0;
wwo->writeBytes = 0;
wwo->freeBytes = 0;
wwo->sendBytes = 0;
wwo->SoundBuffer = NULL;
wwo->FlowStarted = 0;
AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
AuPauseFlow(wwo->AuServ, wwo->AuFlow, NULL);
wwo->FlowStarted = 1;
return 1;
}
static AuBool
event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd)
{
WINE_WAVEOUT *wwo = hnd->data;
switch (ev->type) {
case AuEventTypeElementNotify: {
AuElementNotifyEvent* event = (AuElementNotifyEvent *)ev;
switch (event->kind) {
case AuElementNotifyKindLowWater:
wwo->freeBytes += event->num_bytes;
if (wwo->writeBytes > 0)
wwo->sendBytes += event->num_bytes;
if (wwo->freeBytes && wwo->BufferUsed)
nas_send_buffer(wwo);
break;
case AuElementNotifyKindState:
TRACE("ev: kind %s state %s->%s reason %s numbytes %ld freeB %u\n",
nas_elementnotify_kind(event->kind),
nas_state(event->prev_state),
nas_state(event->cur_state),
nas_reason(event->reason),
event->num_bytes, wwo->freeBytes);
if (event->cur_state == AuStatePause && event->reason != AuReasonUser) {
wwo->freeBytes += event->num_bytes;
if (wwo->writeBytes > 0)
wwo->sendBytes += event->num_bytes;
if (wwo->sendBytes > wwo->writeBytes)
wwo->sendBytes = wwo->writeBytes;
if (wwo->freeBytes && wwo->BufferUsed)
nas_send_buffer(wwo);
}
break;
}
}
}
return AuTrue;
}
static void
buffer_resize(WINE_WAVEOUT* wwo, int len)
{
void *newbuf = HeapAlloc(GetProcessHeap(), 0, wwo->BufferUsed + len);
void *oldbuf = wwo->SoundBuffer;
memcpy(newbuf, oldbuf, wwo->BufferUsed);
wwo->SoundBuffer = newbuf;
HeapFree(GetProcessHeap(), 0, oldbuf);
}
static int nas_add_buffer(WINE_WAVEOUT* wwo) {
int len = wwo->lpPlayPtr->dwBufferLength;
buffer_resize(wwo, len);
memcpy(wwo->SoundBuffer + wwo->BufferUsed, wwo->lpPlayPtr->lpData, len);
wwo->BufferUsed += len;
wwo->WrittenTotal += len;
return len;
}
static int nas_send_buffer(WINE_WAVEOUT* wwo) {
int len = 0;
char *ptr, *newdata;
newdata = NULL;
if (wwo->freeBytes <= 0)
return 0;
if (wwo->SoundBuffer == NULL || wwo->BufferUsed == 0) {
return 0;
}
if (wwo->BufferUsed <= wwo->freeBytes) {
len = wwo->BufferUsed;
ptr = wwo->SoundBuffer;
} else {
len = wwo->freeBytes;
ptr = HeapAlloc(GetProcessHeap(), 0, len);
memcpy(ptr,wwo->SoundBuffer,len);
newdata = HeapAlloc(GetProcessHeap(), 0, wwo->BufferUsed - len);
memcpy(newdata, wwo->SoundBuffer + len, wwo->BufferUsed - len);
}
TRACE("envoye de %d bytes / %lu bytes / freeBytes %u\n", len, wwo->BufferUsed, wwo->freeBytes);
AuWriteElement(wwo->AuServ, wwo->AuFlow, 0, len, ptr, AuFalse, NULL);
wwo->BufferUsed -= len;
wwo->freeBytes -= len;
wwo->writeBytes += len;
HeapFree(GetProcessHeap(), 0, ptr);
wwo->SoundBuffer = NULL;
if (newdata != NULL)
wwo->SoundBuffer = newdata;
return len;
}
static int nas_free(WINE_WAVEOUT* wwo)
{
if (!wwo->FlowStarted && wwo->BufferUsed) {
AuStartFlow(wwo->AuServ, wwo->AuFlow, NULL);
wwo->FlowStarted = 1;
}
while (wwo->BufferUsed || wwo->writeBytes != wwo->sendBytes) {
if (wwo->freeBytes)
nas_send_buffer(wwo);
AuHandleEvents(wwo->AuServ);
}
AuFlush(wwo->AuServ);
return TRUE;
}
static int nas_close(WINE_WAVEOUT* wwo)
{
AuEvent ev;
nas_free(wwo);
AuStopFlow(wwo->AuServ, wwo->AuFlow, NULL);
AuDestroyFlow(wwo->AuServ, wwo->AuFlow, NULL);
AuFlush(wwo->AuServ);
AuNextEvent(wwo->AuServ, AuTrue, &ev);
AuDispatchEvent(wwo->AuServ, &ev);
wwo->AuFlow = 0;
wwo->open = 0;
wwo->BufferUsed = 0;
wwo->freeBytes = 0;
wwo->SoundBuffer = NULL;
return 1;
}
static int nas_end(void)
{
if (AuServ)
{
AuCloseServer(AuServ);
AuServ = 0;
}
return 1;
}
/**************************************************************************
* DriverProc (WINENAS.@)
*/
LRESULT CALLBACK NAS_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
LPARAM dwParam1, LPARAM dwParam2)
{
switch(wMsg) {
case DRV_LOAD:
case DRV_FREE:
case DRV_OPEN:
case DRV_CLOSE:
case DRV_ENABLE:
case DRV_DISABLE:
case DRV_QUERYCONFIGURE:
return 1;
case DRV_CONFIGURE: MessageBoxA(0, "NAS MultiMedia Driver !", "NAS Driver", MB_OK); return 1;
case DRV_INSTALL:
case DRV_REMOVE:
return DRV_SUCCESS;
default:
return 0;
}
}