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Sweden-Number/dlls/winmm/winealsa/audio_05.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Sample Wine Driver for Advanced Linux Sound System (ALSA)
* Based on version 0.5 of the ALSA API
*
* Copyright 2002 Eric Pouech
* 2002 David Hammerton
*
* 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
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#ifdef HAVE_SYS_MMAN_H
# include <sys/mman.h>
#endif
#include "winbase.h"
#include "windef.h"
#include "wingdi.h"
#include "winerror.h"
#include "winuser.h"
#include "mmddk.h"
#include "dsound.h"
#include "dsdriver.h"
#include "alsa.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wave);
#if defined(HAVE_ALSA) && (SND_LIB_MAJOR == 0) && (SND_LIB_MINOR == 5)
#define MAX_WAVEOUTDRV (1)
#define MAX_WAVEINDRV (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 param; /* parameter for this message */
HANDLE hEvent; /* if message is synchronous, handle of event for synchro */
} ALSA_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
*/
typedef struct {
/* FIXME: this could be made a dynamically growing array (if needed) */
#define ALSA_RING_BUFFER_SIZE 30
ALSA_MSG messages[ALSA_RING_BUFFER_SIZE];
int msg_tosave;
int msg_toget;
HANDLE msg_event;
CRITICAL_SECTION msg_crst;
} ALSA_MSG_RING;
typedef struct {
/* Windows information */
volatile int state; /* one of the WINE_WS_ manifest constants */
WAVEOPENDESC waveDesc;
WORD wFlags;
PCMWAVEFORMAT format;
WAVEOUTCAPSA caps;
/* ALSA information */
snd_pcm_t* handle; /* handle to ALSA device */
DWORD dwFragmentSize; /* size of ALSA buffer fragment */
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; /* number of bytes actually played since opening */
DWORD dwWrittenTotal; /* number of bytes written to ALSA buffer since opening */
/* synchronization stuff */
HANDLE hStartUpEvent;
HANDLE hThread;
DWORD dwThreadID;
ALSA_MSG_RING msgRing;
/* DirectSound stuff */
void* mmap_buffer;
snd_pcm_mmap_control_t* mmap_control;
unsigned mmap_block_size;
unsigned mmap_block_number;
} WINE_WAVEOUT;
static WINE_WAVEOUT WOutDev [MAX_WAVEOUTDRV];
static DWORD ALSA_WodNumDevs;
static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
/* 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 *
*======================================================================*/
/******************************************************************
* ALSA_WaveInit
*
* Initialize internal structures from ALSA information
*/
LONG ALSA_WaveInit(void)
{
snd_pcm_t* h;
snd_pcm_info_t info;
snd_pcm_channel_info_t chn_info;
TRACE("There are %d cards\n", snd_cards());
ALSA_WodNumDevs = 0;
if (snd_pcm_open(&h, 0, 0, SND_PCM_OPEN_DUPLEX|SND_PCM_OPEN_NONBLOCK))
{
ERR("Error open: %s\n", snd_strerror(errno));
return -1;
}
if (snd_pcm_info(h, &info))
{
ERR("Error info: %s\n", snd_strerror(errno));
return -1;
}
ALSA_WodNumDevs++;
TRACE("type=%u, flags=%s%s%s name=%s #pb=%d cp=%d\n",
info.type, (info.flags & SND_PCM_INFO_PLAYBACK) ? "playback " : "",
(info.flags & SND_PCM_INFO_PLAYBACK) ? "capture " : "",
(info.flags & SND_PCM_INFO_DUPLEX) ? "duplex " : "",
info.name, info.playback, info.capture);
memset(&chn_info, 0, sizeof(chn_info));
if (snd_pcm_channel_info(h, &chn_info))
{
ERR("Error chn info: %s\n", snd_strerror(errno));
return -1;
}
#define X(f,s) ((chn_info.flags & (f)) ? #s " " : "")
#define Y(f,s) ((chn_info.rates & (f)) ? #s " " : "")
TRACE("subdevice=%d name=%s chn=%d mode=%d\n"
"\tflags=%s%s%s%s%s%s%s%s%s%s%s\n"
"\tfmts=%u rates=%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
"\trates=[%d,%d] voices=[%d,%d] buf_size=%d fg_size=[%d,%d] fg_align=%u\n",
chn_info.subdevice, chn_info.subname, chn_info.channel,
chn_info.mode,
X(SND_PCM_CHNINFO_MMAP,MMAP),
X(SND_PCM_CHNINFO_STREAM,STREAM),
X(SND_PCM_CHNINFO_BLOCK,BLOCK),
X(SND_PCM_CHNINFO_BATCH,BATCH),
X(SND_PCM_CHNINFO_INTERLEAVE,INTERLEAVE),
X(SND_PCM_CHNINFO_NONINTERLEAVE,NONINTERLEAVE),
X(SND_PCM_CHNINFO_BLOCK_TRANSFER,BLOCK_TRANSFER),
X(SND_PCM_CHNINFO_OVERRANGE,OVERRANGE),
X(SND_PCM_CHNINFO_MMAP_VALID,MMAP_VALID),
X(SND_PCM_CHNINFO_PAUSE,PAUSE),
X(SND_PCM_CHNINFO_GLOBAL_PARAMS,GLOBAL_PARAMS),
chn_info.formats,
Y(SND_PCM_RATE_CONTINUOUS,CONTINUOUS),
Y(SND_PCM_RATE_KNOT,KNOT),
Y(SND_PCM_RATE_8000,8000),
Y(SND_PCM_RATE_11025,11025),
Y(SND_PCM_RATE_16000,16000),
Y(SND_PCM_RATE_22050,22050),
Y(SND_PCM_RATE_32000,32000),
Y(SND_PCM_RATE_44100,44100),
Y(SND_PCM_RATE_48000,48000),
Y(SND_PCM_RATE_88200,88200),
Y(SND_PCM_RATE_96000,96000),
Y(SND_PCM_RATE_176400,176400),
Y(SND_PCM_RATE_192000,192000),
chn_info.min_rate, chn_info.max_rate,
chn_info.min_voices, chn_info.max_voices,
chn_info.buffer_size,
chn_info.min_fragment_size, chn_info.max_fragment_size,
chn_info.fragment_align);
#undef X
#undef Y
/* FIXME: use better values */
WOutDev[0].caps.wMid = 0x0002;
WOutDev[0].caps.wPid = 0x0104;
strcpy(WOutDev[0].caps.szPname, "SB16 Wave Out");
WOutDev[0].caps.vDriverVersion = 0x0100;
WOutDev[0].caps.dwFormats = 0x00000000;
WOutDev[0].caps.dwSupport = WAVECAPS_VOLUME;
#define X(r,v) \
if (chn_info.rates & SND_PCM_RATE_##r) \
{ \
if (chn_info.formats & SND_PCM_FMT_U8) \
{ \
if (chn_info.min_voices <= 1 && 1 <= chn_info.max_voices) \
WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S08; \
if (chn_info.min_voices <= 2 && 2 <= chn_info.max_voices) \
WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S08; \
} \
if (chn_info.formats & SND_PCM_FMT_S16_LE) \
{ \
if (chn_info.min_voices <= 1 && 1 <= chn_info.max_voices) \
WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S16; \
if (chn_info.min_voices <= 2 && 2 <= chn_info.max_voices) \
WOutDev[0].caps.dwFormats |= WAVE_FORMAT_##v##S16; \
} \
}
X(11025,1);
X(22050,2);
X(44100,4);
#undef X
if (chn_info.min_voices > 1) FIXME("-");
WOutDev[0].caps.wChannels = (chn_info.max_voices >= 2) ? 2 : 1;
if (chn_info.min_voices <= 2 && 2 <= chn_info.max_voices)
WOutDev[0].caps.dwSupport |= WAVECAPS_LRVOLUME;
/* FIXME: always true ? */
WOutDev[0].caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
/* FIXME: is test sufficient ? */
if (chn_info.flags & SND_PCM_CHNINFO_MMAP)
WOutDev[0].caps.dwSupport |= WAVECAPS_DIRECTSOUND;
TRACE("Configured with dwFmts=%08lx dwSupport=%08lx\n",
WOutDev[0].caps.dwFormats, WOutDev[0].caps.dwSupport);
snd_pcm_close(h);
return 0;
}
/******************************************************************
* ALSA_InitRingMessage
*
* Initialize the ring of messages for passing between driver's caller and playback/record
* thread
*/
static int ALSA_InitRingMessage(ALSA_MSG_RING* omr)
{
omr->msg_toget = 0;
omr->msg_tosave = 0;
omr->msg_event = CreateEventA(NULL, FALSE, FALSE, NULL);
memset(omr->messages, 0, sizeof(ALSA_MSG) * ALSA_RING_BUFFER_SIZE);
InitializeCriticalSection(&omr->msg_crst);
return 0;
}
/******************************************************************
* ALSA_DestroyRingMessage
*
*/
static int ALSA_DestroyRingMessage(ALSA_MSG_RING* omr)
{
CloseHandle(omr->msg_event);
DeleteCriticalSection(&omr->msg_crst);
return 0;
}
/******************************************************************
* ALSA_AddRingMessage
*
* Inserts a new message into the ring (should be called from DriverProc derivated routines)
*/
static int ALSA_AddRingMessage(ALSA_MSG_RING* omr, enum win_wm_message msg, DWORD param, BOOL wait)
{
HANDLE hEvent = INVALID_HANDLE_VALUE;
EnterCriticalSection(&omr->msg_crst);
if ((omr->msg_toget == ((omr->msg_tosave + 1) % ALSA_RING_BUFFER_SIZE))) /* buffer overflow ? */
{
ERR("buffer overflow !?\n");
LeaveCriticalSection(&omr->msg_crst);
return 0;
}
if (wait)
{
hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
if (hEvent == INVALID_HANDLE_VALUE)
{
ERR("can't create event !?\n");
LeaveCriticalSection(&omr->msg_crst);
return 0;
}
if (omr->msg_toget != omr->msg_tosave && omr->messages[omr->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 */
omr->msg_toget = (omr->msg_toget + ALSA_RING_BUFFER_SIZE - 1) % ALSA_RING_BUFFER_SIZE;
omr->messages[omr->msg_toget].msg = msg;
omr->messages[omr->msg_toget].param = param;
omr->messages[omr->msg_toget].hEvent = hEvent;
}
else
{
omr->messages[omr->msg_tosave].msg = msg;
omr->messages[omr->msg_tosave].param = param;
omr->messages[omr->msg_tosave].hEvent = INVALID_HANDLE_VALUE;
omr->msg_tosave = (omr->msg_tosave + 1) % ALSA_RING_BUFFER_SIZE;
}
LeaveCriticalSection(&omr->msg_crst);
/* signal a new message */
SetEvent(omr->msg_event);
if (wait)
{
/* wait for playback/record thread to have processed the message */
WaitForSingleObject(hEvent, INFINITE);
CloseHandle(hEvent);
}
return 1;
}
/******************************************************************
* ALSA_RetrieveRingMessage
*
* Get a message from the ring. Should be called by the playback/record thread.
*/
static int ALSA_RetrieveRingMessage(ALSA_MSG_RING* omr,
enum win_wm_message *msg, DWORD *param, HANDLE *hEvent)
{
EnterCriticalSection(&omr->msg_crst);
if (omr->msg_toget == omr->msg_tosave) /* buffer empty ? */
{
LeaveCriticalSection(&omr->msg_crst);
return 0;
}
*msg = omr->messages[omr->msg_toget].msg;
omr->messages[omr->msg_toget].msg = 0;
*param = omr->messages[omr->msg_toget].param;
*hEvent = omr->messages[omr->msg_toget].hEvent;
omr->msg_toget = (omr->msg_toget + 1) % ALSA_RING_BUFFER_SIZE;
LeaveCriticalSection(&omr->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, 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, snd_pcm_channel_status_t* ps)
{
snd_pcm_channel_status_t s;
snd_pcm_channel_status_t* status = (ps) ? ps : &s;
if (snd_pcm_channel_status(wwo->handle, status))
{
ERR("Can't get channel status: %s\n", snd_strerror(errno));
return FALSE;
}
wwo->dwPlayedTotal = wwo->dwWrittenTotal - (wwo->dwBufferSize - status->count);
if (wwo->dwPlayedTotal != status->scount)
{
FIXME("Ooch: %u played by ALSA, %lu counted by driver\n",
status->scount, wwo->dwPlayedTotal);
if (wwo->dwPlayedTotal & 0x8000000) wwo->dwPlayedTotal = 0;
}
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);
} 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 write
* one fragment.
*/
static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
{
/* time for one fragment to be played */
return wwo->dwFragmentSize * 1000 / wwo->format.wf.nAvgBytesPerSec;
}
/**************************************************************************
* 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;
}
return dwMillis;
}
/**************************************************************************
* wodPlayer_WriteMaxFrags [internal]
* Writes the maximum number of bytes palsaible 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);
written = snd_pcm_write(wwo->handle, wwo->lpPlayPtr->lpData + wwo->dwPartialOffset, toWrite);
if (written <= 0)
{
ERR("Wrote: %d bytes (%s)\n", written, snd_strerror(errno));
return written;
}
if (written >= dwLength) {
/* If we wrote all current wavehdr, skip to the next one */
wodPlayer_PlayPtrNext(wwo);
} else {
/* Remove the amount written */
wwo->dwPartialOffset += written;
}
*bytes -= written;
wwo->dwWrittenTotal += written;
return written;
}
/**************************************************************************
* wodPlayer_NotifyCompletions [internal]
*
* Notifies and remove from queue all wavehdrs which have been played to
* the speaker (ie. they have cleared the ALSA buffer). 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, NULL);
/* updates current notify list */
wodPlayer_NotifyCompletions(wwo, FALSE);
if (snd_pcm_playback_flush(wwo->handle) != 0) {
FIXME("flush: %s\n", snd_strerror(errno));
wwo->hThread = 0;
wwo->state = WINE_WS_STOPPED;
ExitThread(-1);
}
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;
/* 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, &param, &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);
}
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 {
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;
}
}
/**************************************************************************
* wodPlayer_ProcessMessages [internal]
*/
static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
{
LPWAVEHDR lpWaveHdr;
enum win_wm_message msg;
DWORD param;
HANDLE ev;
while (ALSA_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:
if (wwo->state == WINE_WS_PAUSED)
{
snd_pcm_playback_prepare(wwo->handle);
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, NULL);
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)
{
snd_pcm_channel_status_t status;
DWORD availInQ;
wodUpdatePlayedTotal(wwo, &status);
availInQ = status.free;
#if 0
TODO;
TRACE("fragments=%d/%d, fragsize=%d, bytes=%d\n",
dspspace.fragments, dspspace.fragstotal, dspspace.fragsize, dspspace.bytes);
#endif
/* input queue empty and output buffer with less than one fragment to play */
/* FIXME: we should be able to catch OVERRUN errors */
if (!wwo->lpPlayPtr && wwo->dwBufferSize < availInQ + 2 * wwo->dwFragmentSize) {
TRACE("Run out of wavehdr:s... flushing\n");
snd_pcm_playback_drain(wwo->handle);
wwo->dwPlayedTotal = wwo->dwWrittenTotal;
return INFINITE;
}
/* no more room... no need to try to feed */
if (status.free > 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) {
while (wwo->lpPlayPtr && availInQ > 0) {
/* 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;
snd_pcm_channel_params_t params;
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;
}
/* 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];
if ((dwFlags & WAVE_DIRECTSOUND) && !(wwo->caps.dwSupport & WAVECAPS_DIRECTSOUND))
/* not supported, ignore it */
dwFlags &= ~WAVE_DIRECTSOUND;
wwo->handle = 0;
if (snd_pcm_open(&wwo->handle, wDevID, 0, SND_PCM_OPEN_DUPLEX|SND_PCM_OPEN_NONBLOCK))
{
ERR("Error open: %s\n", snd_strerror(errno));
return MMSYSERR_NOTENABLED;
}
memset(&params, 0, sizeof(params));
params.channel = SND_PCM_CHANNEL_PLAYBACK;
params.start_mode = SND_PCM_START_DATA;
params.stop_mode = SND_PCM_STOP_STOP;
params.mode = SND_PCM_MODE_STREAM;
params.buf.stream.queue_size = 0x1000;
params.buf.stream.fill = SND_PCM_FILL_SILENCE;
params.buf.stream.max_fill = 0x800;
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;
}
params.format.interleave = 1;
params.format.format = (wwo->format.wBitsPerSample == 16) ?
SND_PCM_SFMT_S16_LE : SND_PCM_SFMT_U8;
params.format.rate = wwo->format.wf.nSamplesPerSec;
params.format.voices = (wwo->format.wf.nChannels > 1) ? 2 : 1;
params.format.special = 0;
if (snd_pcm_channel_params(wwo->handle, &params))
{
ERR("Can't set params: %s\n", snd_strerror(errno));
snd_pcm_close(wwo->handle);
wwo->handle = NULL;
return MMSYSERR_INVALPARAM;
}
#if 0
TODO;
if (params.format.rate != format != ((wwo->format.wBitsPerSample == 16) ? AFMT_S16_LE : AFMT_U8))
ERR("Can't set format to %d (%d)\n",
(wwo->format.wBitsPerSample == 16) ? AFMT_S16_LE : AFMT_U8, format);
if (dsp_stereo != (wwo->format.wf.nChannels > 1) ? 1 : 0)
ERR("Can't set stereo to %u (%d)\n",
(wwo->format.wf.nChannels > 1) ? 1 : 0, dsp_stereo);
if (!NEAR_MATCH(sample_rate, wwo->format.wf.nSamplesPerSec))
ERR("Can't set sample_rate to %lu (%d)\n",
wwo->format.wf.nSamplesPerSec, sample_rate);
#endif
snd_pcm_playback_prepare(wwo->handle);
/* Remember fragsize and total buffer size for future use */
wwo->dwBufferSize = params.buf.stream.queue_size;
/* FIXME: should get rid off fragment size */
wwo->dwFragmentSize = wwo->dwBufferSize >> 4; /* why not */
wwo->dwPlayedTotal = 0;
wwo->dwWrittenTotal = 0;
wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
ALSA_InitRingMessage(&wwo->msgRing);
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("handle=%08lx fragmentSize=%ld\n",
(DWORD)wwo->handle, wwo->dwFragmentSize);
if (wwo->dwFragmentSize % wwo->format.wf.nBlockAlign)
ERR("Fragment doesn't contain an integral number of data blocks\n");
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].handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
wwo = &WOutDev[wDevID];
if (wwo->lpQueuePtr) {
WARN("buffers still playing !\n");
ret = WAVERR_STILLPLAYING;
} else {
if (wwo->hThread != INVALID_HANDLE_VALUE) {
ALSA_AddRingMessage(&wwo->msgRing, WINE_WM_CLOSING, 0, TRUE);
}
if (wwo->mmap_buffer) {
snd_pcm_munmap(wwo->handle, SND_PCM_CHANNEL_PLAYBACK);
wwo->mmap_buffer = wwo->mmap_control = NULL;
}
ALSA_DestroyRingMessage(&wwo->msgRing);
snd_pcm_close(wwo->handle);
wwo->handle = NULL;
wwo->dwFragmentSize = 0;
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].handle == NULL) {
WARN("bad dev ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (lpWaveHdr->lpData == NULL || !(lpWaveHdr->dwFlags & WHDR_PREPARED))
return WAVERR_UNPREPARED;
if (lpWaveHdr->dwFlags & WHDR_INQUEUE)
return WAVERR_STILLPLAYING;
lpWaveHdr->dwFlags &= ~WHDR_DONE;
lpWaveHdr->dwFlags |= WHDR_INQUEUE;
lpWaveHdr->lpNext = 0;
ALSA_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].handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
ALSA_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].handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (WOutDev[wDevID].state == WINE_WS_PAUSED) {
ALSA_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].handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
ALSA_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].handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (lpTime == NULL) return MMSYSERR_INVALPARAM;
wwo = &WOutDev[wDevID];
ALSA_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].handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
ALSA_AddRingMessage(&WOutDev[wDevID].msgRing, WINE_WM_BREAKLOOP, 0, TRUE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetVolume [internal]
*/
static DWORD wodGetVolume(WORD wDevID, LPDWORD lpdwVol)
{
int mixer;
int volume;
DWORD left, right;
TRACE("(%u, %p);\n", wDevID, lpdwVol);
if (lpdwVol == NULL)
return MMSYSERR_NOTENABLED;
#if 0
TODO;
if ((mixer = open(MIXER_DEV, O_RDONLY|O_NDELAY)) < 0) {
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_READ_PCM, &volume) == -1) {
WARN("unable to read mixer !\n");
return MMSYSERR_NOTENABLED;
}
close(mixer);
#endif
left = LOBYTE(volume);
right = HIBYTE(volume);
TRACE("left=%ld right=%ld !\n", left, right);
*lpdwVol = ((left * 0xFFFFl) / 100) + (((right * 0xFFFFl) / 100) << 16);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodSetVolume [internal]
*/
static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
{
int mixer;
int volume;
DWORD left, right;
TRACE("(%u, %08lX);\n", wDevID, dwParam);
left = (LOWORD(dwParam) * 100) / 0xFFFFl;
right = (HIWORD(dwParam) * 100) / 0xFFFFl;
volume = left + (right << 8);
#if 0
TODO;
if ((mixer = open(MIXER_DEV, O_WRONLY|O_NDELAY)) < 0) {
WARN("mixer device not available !\n");
return MMSYSERR_NOTENABLED;
}
if (ioctl(mixer, SOUND_MIXER_WRITE_PCM, &volume) == -1) {
WARN("unable to set mixer !\n");
return MMSYSERR_NOTENABLED;
} else {
TRACE("volume=%04x\n", (unsigned)volume);
}
close(mixer);
#endif
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetNumDevs [internal]
*/
static DWORD wodGetNumDevs(void)
{
return ALSA_WodNumDevs;
}
/**************************************************************************
* wodMessage (WINEALSA.7)
*/
DWORD WINAPI ALSA_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);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Low level DSOUND implementation *
*======================================================================*/
typedef struct IDsDriverImpl IDsDriverImpl;
typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
struct IDsDriverImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDsDriver);
DWORD ref;
/* IDsDriverImpl fields */
UINT wDevID;
IDsDriverBufferImpl*primary;
};
struct IDsDriverBufferImpl
{
/* IUnknown fields */
ICOM_VFIELD(IDsDriverBuffer);
DWORD ref;
/* IDsDriverBufferImpl fields */
IDsDriverImpl* drv;
DWORD buflen;
};
static HRESULT DSDB_UnmapPrimary(IDsDriverBufferImpl *dsdb)
{
WINE_WAVEOUT *wwo = &(WOutDev[dsdb->drv->wDevID]);
if (wwo->mmap_buffer) {
if (snd_pcm_munmap(wwo->handle, SND_PCM_CHANNEL_PLAYBACK) < 0) {
ERR("(%p): Could not unmap sound device (errno=%d)\n", dsdb, errno);
return DSERR_GENERIC;
}
wwo->mmap_buffer = wwo->mmap_control = NULL;
TRACE("(%p): sound device unmapped\n", dsdb);
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
FIXME("(): stub!\n");
return DSERR_UNSUPPORTED;
}
static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
This->ref++;
return This->ref;
}
static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
if (--This->ref)
return This->ref;
if (This == This->drv->primary)
This->drv->primary = NULL;
DSDB_UnmapPrimary(This);
HeapFree(GetProcessHeap(),0,This);
return 0;
}
static HRESULT WINAPI IDsDriverBufferImpl_Lock(PIDSDRIVERBUFFER iface,
LPVOID*ppvAudio1,LPDWORD pdwLen1,
LPVOID*ppvAudio2,LPDWORD pdwLen2,
DWORD dwWritePosition,DWORD dwWriteLen,
DWORD dwFlags)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
/* FIXME: we need to implement it */
TRACE("(%p)\n",iface);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_Unlock(PIDSDRIVERBUFFER iface,
LPVOID pvAudio1,DWORD dwLen1,
LPVOID pvAudio2,DWORD dwLen2)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
TRACE("(%p)\n",iface);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
LPWAVEFORMATEX pwfx)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
TRACE("(%p,%p)\n",iface,pwfx);
/* On our request (GetDriverDesc flags), DirectSound has by now used
* waveOutClose/waveOutOpen to set the format...
* unfortunately, this means our mmap() is now gone...
* so we need to somehow signal to our DirectSound implementation
* that it should completely recreate this HW buffer...
* this unexpected error code should do the trick... */
return DSERR_BUFFERLOST;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
TRACE("(%p,%ld): stub\n",iface,dwFreq);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
{
/* ICOM_THIS(IDsDriverBufferImpl,iface); */
FIXME("(%p,%p): stub!\n",iface,pVolPan);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
TRACE("(%p,%ld): stub\n",iface,dwNewPos);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
LPDWORD lpdwPlay, LPDWORD lpdwWrite)
{
#if 0
ICOM_THIS(IDsDriverBufferImpl,iface);
TODO;
count_info info;
DWORD ptr;
TRACE("(%p)\n",iface);
if (WOutDev[This->drv->wDevID].handle == NULL) {
ERR("device not open, but accessing?\n");
return DSERR_UNINITIALIZED;
}
if (ioctl(WOutDev[This->drv->wDevID].unixdev, SNDCTL_DSP_GETOPTR, &info) < 0) {
ERR("ioctl failed (%d)\n", errno);
return DSERR_GENERIC;
}
ptr = info.ptr & ~3; /* align the pointer, just in case */
if (lpdwPlay) *lpdwPlay = ptr;
if (lpdwWrite) {
/* add some safety margin (not strictly necessary, but...) */
if (WOutDev[This->drv->wDevID].caps.dwSupport & WAVECAPS_SAMPLEACCURATE)
*lpdwWrite = ptr + 32;
else
*lpdwWrite = ptr + WOutDev[This->drv->wDevID].dwFragmentSize;
while (*lpdwWrite > This->buflen)
*lpdwWrite -= This->buflen;
}
#endif
TRACE("playpos=%ld, writepos=%ld\n", lpdwPlay?*lpdwPlay:0, lpdwWrite?*lpdwWrite:0);
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
/* FIXME: error handling */
snd_pcm_playback_go(WOutDev[This->drv->wDevID].handle);
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
TRACE("(%p)\n",iface);
/* no more playing */
/* FIXME: error handling */
snd_pcm_playback_drain(WOutDev[This->drv->wDevID].handle);
/* Most ALSA drivers just can't stop the playback without closing the device...
* so we need to somehow signal to our DirectSound implementation
* that it should completely recreate this HW buffer...
* this unexpected error code should do the trick... */
return DSERR_BUFFERLOST;
}
static ICOM_VTABLE(IDsDriverBuffer) dsdbvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDsDriverBufferImpl_QueryInterface,
IDsDriverBufferImpl_AddRef,
IDsDriverBufferImpl_Release,
IDsDriverBufferImpl_Lock,
IDsDriverBufferImpl_Unlock,
IDsDriverBufferImpl_SetFormat,
IDsDriverBufferImpl_SetFrequency,
IDsDriverBufferImpl_SetVolumePan,
IDsDriverBufferImpl_SetPosition,
IDsDriverBufferImpl_GetPosition,
IDsDriverBufferImpl_Play,
IDsDriverBufferImpl_Stop
};
static HRESULT WINAPI IDsDriverImpl_QueryInterface(PIDSDRIVER iface, REFIID riid, LPVOID *ppobj)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
FIXME("(%p): stub!\n",iface);
return DSERR_UNSUPPORTED;
}
static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
This->ref++;
return This->ref;
}
static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
if (--This->ref)
return This->ref;
HeapFree(GetProcessHeap(),0,This);
return 0;
}
static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface, PDSDRIVERDESC pDesc)
{
ICOM_THIS(IDsDriverImpl,iface);
TRACE("(%p,%p)\n",iface,pDesc);
pDesc->dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
DSDDESC_USESYSTEMMEMORY;
strcpy(pDesc->szDesc,"WineALSA DirectSound Driver");
strcpy(pDesc->szDrvName,"winealsa.drv");
pDesc->dnDevNode = WOutDev[This->wDevID].waveDesc.dnDevNode;
pDesc->wVxdId = 0;
pDesc->wReserved = 0;
pDesc->ulDeviceNum = This->wDevID;
pDesc->dwHeapType = DSDHEAP_NOHEAP;
pDesc->pvDirectDrawHeap = NULL;
pDesc->dwMemStartAddress = 0;
pDesc->dwMemEndAddress = 0;
pDesc->dwMemAllocExtra = 0;
pDesc->pvReserved1 = NULL;
pDesc->pvReserved2 = NULL;
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_Open(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
TRACE("(%p)\n",iface);
/* FIXME: error handling */
snd_pcm_channel_prepare(WOutDev[This->wDevID].handle, SND_PCM_CHANNEL_PLAYBACK);
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
TRACE("(%p)\n",iface);
if (This->primary) {
ERR("problem with DirectSound: primary not released\n");
return DSERR_GENERIC;
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
TRACE("(%p,%p)\n",iface,pCaps);
memset(pCaps, 0, sizeof(*pCaps));
/* FIXME: need to check actual capabilities */
pCaps->dwFlags = DSCAPS_PRIMARYMONO | DSCAPS_PRIMARYSTEREO |
DSCAPS_PRIMARY8BIT | DSCAPS_PRIMARY16BIT;
pCaps->dwPrimaryBuffers = 1;
/* the other fields only apply to secondary buffers, which we don't support
* (unless we want to mess with wavetable synthesizers and MIDI) */
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
LPWAVEFORMATEX pwfx,
DWORD dwFlags, DWORD dwCardAddress,
LPDWORD pdwcbBufferSize,
LPBYTE *ppbBuffer,
LPVOID *ppvObj)
{
ICOM_THIS(IDsDriverImpl,iface);
IDsDriverBufferImpl** ippdsdb = (IDsDriverBufferImpl**)ppvObj;
WINE_WAVEOUT *wwo = &(WOutDev[This->wDevID]);
struct snd_pcm_channel_setup setup;
TRACE("(%p,%p,%lx,%lx)\n",iface,pwfx,dwFlags,dwCardAddress);
/* we only support primary buffers */
if (!(dwFlags & DSBCAPS_PRIMARYBUFFER))
return DSERR_UNSUPPORTED;
if (This->primary)
return DSERR_ALLOCATED;
if (dwFlags & (DSBCAPS_CTRLFREQUENCY | DSBCAPS_CTRLPAN))
return DSERR_CONTROLUNAVAIL;
*ippdsdb = (IDsDriverBufferImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl));
if (*ippdsdb == NULL)
return DSERR_OUTOFMEMORY;
ICOM_VTBL(*ippdsdb) = &dsdbvt;
(*ippdsdb)->ref = 1;
(*ippdsdb)->drv = This;
if (!wwo->mmap_buffer) {
if (snd_pcm_mmap(wwo->handle, SND_PCM_CHANNEL_PLAYBACK, &wwo->mmap_control, &wwo->mmap_buffer))
{
ERR("(%p): Could not map sound device for direct access (%s)\n", *ippdsdb, snd_strerror(errno));
return DSERR_GENERIC;
}
setup.mode = SND_PCM_MODE_BLOCK;
setup.channel = SND_PCM_CHANNEL_PLAYBACK;
if (snd_pcm_channel_setup(wwo->handle, &setup) < 0) {
ERR("Unable to obtain setup\n");
/* FIXME: resource cleanup */
return DSERR_GENERIC;
}
wwo->mmap_block_size = setup.buf.block.frag_size;
wwo->mmap_block_number = setup.buf.block.frags;
TRACE("(%p): sound device has been mapped for direct access at %p, size=%d\n",
*ippdsdb, wwo->mmap_buffer, setup.buf.block.frags * setup.buf.block.frag_size);
#if 0
/* for some reason, es1371 and sblive! sometimes have junk in here.
* clear it, or we get junk noise */
/* some libc implementations are buggy: their memset reads from the buffer...
* to work around it, we have to zero the block by hand. We don't do the expected:
* memset(wwo->mapping, 0, wwo->maplen);
*/
{
char* p1 = wwo->mapping;
unsigned len = wwo->maplen;
if (len >= 16) /* so we can have at least a 4 long area to store... */
{
/* the mmap:ed value is (at least) dword aligned
* so, start filling the complete unsigned long:s
*/
int b = len >> 2;
unsigned long* p4 = (unsigned long*)p1;
while (b--) *p4++ = 0;
/* prepare for filling the rest */
len &= 3;
p1 = (unsigned char*)p4;
}
/* in all cases, fill the remaining bytes */
while (len-- != 0) *p1++ = 0;
}
#endif
}
/* primary buffer is ready to go */
*pdwcbBufferSize = wwo->mmap_block_size * wwo->mmap_block_number;
*ppbBuffer = wwo->mmap_buffer;
This->primary = *ippdsdb;
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_DuplicateSoundBuffer(PIDSDRIVER iface,
PIDSDRIVERBUFFER pBuffer,
LPVOID *ppvObj)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
TRACE("(%p,%p): stub\n",iface,pBuffer);
return DSERR_INVALIDCALL;
}
static ICOM_VTABLE(IDsDriver) dsdvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDsDriverImpl_QueryInterface,
IDsDriverImpl_AddRef,
IDsDriverImpl_Release,
IDsDriverImpl_GetDriverDesc,
IDsDriverImpl_Open,
IDsDriverImpl_Close,
IDsDriverImpl_GetCaps,
IDsDriverImpl_CreateSoundBuffer,
IDsDriverImpl_DuplicateSoundBuffer
};
static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv)
{
IDsDriverImpl** idrv = (IDsDriverImpl**)drv;
/* the HAL isn't much better than the HEL if we can't do mmap() */
if (!(WOutDev[wDevID].caps.dwSupport & WAVECAPS_DIRECTSOUND)) {
ERR("DirectSound flag not set\n");
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;
}
*idrv = (IDsDriverImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl));
if (!*idrv)
return MMSYSERR_NOMEM;
ICOM_VTBL(*idrv) = &dsdvt;
(*idrv)->ref = 1;
(*idrv)->wDevID = wDevID;
(*idrv)->primary = NULL;
return MMSYSERR_NOERROR;
}
/* we don't need a default wodMessage for audio when we don't have ALSA, the
* audio.c file will provide it for us
*/
#endif /* HAVE_ALSA && interface == 0.5 */
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