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

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* Sample Wine Driver for Advanced Linux Sound System (ALSA)
* Based on version <final> of the ALSA API
*
* Copyright 2002 Eric Pouech
* 2002 Marco Pietrobono
*
* 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 "wine/port.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <errno.h>
#include <limits.h>
#include <fcntl.h>
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#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/library.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wave);
#if defined(HAVE_ALSA) && ((SND_LIB_MAJOR == 0 && SND_LIB_MINOR >= 9) || SND_LIB_MAJOR >= 1)
/* internal ALSALIB functions */
snd_pcm_uframes_t _snd_pcm_mmap_hw_ptr(snd_pcm_t *pcm);
#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 (ALSA 0.9/1.x uses two different devices for playback/capture) */
char * device;
snd_pcm_t* p_handle; /* handle to ALSA playback device */
snd_pcm_t* c_handle; /* handle to ALSA capture device */
snd_pcm_hw_params_t * hw_params; /* ALSA Hw params */
snd_ctl_t * ctl; /* control handle for the playback volume */
snd_ctl_elem_id_t * playback_eid; /* element id of the playback volume control */
snd_ctl_elem_value_t * playback_evalue; /* element value of the playback volume control */
snd_ctl_elem_info_t * playback_einfo; /* element info of the playback volume control */
snd_pcm_sframes_t (*write)(snd_pcm_t *, const void *, snd_pcm_uframes_t );
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 */
LPWAVEHDR lpLoopPtr; /* pointer of first buffer in loop, if any */
DWORD dwLoops; /* private copy of loop counter */
DWORD dwPlayedTotal;
/* synchronization stuff */
HANDLE hStartUpEvent;
HANDLE hThread;
DWORD dwThreadID;
ALSA_MSG_RING msgRing;
/* DirectSound stuff */
} 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 */
#if 0
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",
};
#endif
/*======================================================================*
* Low level WAVE implementation *
*======================================================================*/
/**************************************************************************
* ALSA_InitializeVolumeCtl [internal]
*
* used to initialize the PCM Volume Control
*/
static int ALSA_InitializeVolumeCtl(WINE_WAVEOUT * wwo)
{
snd_ctl_t * ctl = NULL;
snd_ctl_card_info_t * cardinfo;
snd_ctl_elem_list_t * elemlist;
snd_ctl_elem_id_t * e_id;
snd_ctl_elem_info_t * einfo;
snd_hctl_t * hctl = NULL;
snd_hctl_elem_t * elem;
int nCtrls;
int i;
snd_ctl_card_info_alloca(&cardinfo);
memset(cardinfo,0,snd_ctl_card_info_sizeof());
snd_ctl_elem_list_alloca(&elemlist);
memset(elemlist,0,snd_ctl_elem_list_sizeof());
snd_ctl_elem_id_alloca(&e_id);
memset(e_id,0,snd_ctl_elem_id_sizeof());
snd_ctl_elem_info_alloca(&einfo);
memset(einfo,0,snd_ctl_elem_info_sizeof());
#define EXIT_ON_ERROR(f,txt) do \
{ \
int err; \
if ( (err = (f) ) < 0) \
{ \
ERR(txt ": %s\n", snd_strerror(err)); \
if (hctl) \
snd_hctl_close(hctl); \
if (ctl) \
snd_ctl_close(ctl); \
return -1; \
} \
} while(0)
EXIT_ON_ERROR( snd_ctl_open(&ctl,"hw",0) , "ctl open failed" );
EXIT_ON_ERROR( snd_ctl_card_info(ctl, cardinfo), "card info failed");
EXIT_ON_ERROR( snd_ctl_elem_list(ctl, elemlist), "elem list failed");
nCtrls = snd_ctl_elem_list_get_count(elemlist);
EXIT_ON_ERROR( snd_hctl_open(&hctl,"hw",0), "hctl open failed");
EXIT_ON_ERROR( snd_hctl_load(hctl), "hctl load failed" );
elem=snd_hctl_first_elem(hctl);
for ( i= 0; i<nCtrls; i++) {
memset(e_id,0,snd_ctl_elem_id_sizeof());
snd_hctl_elem_get_id(elem,e_id);
/*
TRACE("ctl: #%d '%s'%d\n",
snd_ctl_elem_id_get_numid(e_id),
snd_ctl_elem_id_get_name(e_id),
snd_ctl_elem_id_get_index(e_id));
*/
if ( !strcmp("PCM Playback Volume", snd_ctl_elem_id_get_name(e_id)) )
{
EXIT_ON_ERROR( snd_hctl_elem_info(elem,einfo), "hctl elem info failed" );
/* few sanity checks... you'll never know... */
if ( snd_ctl_elem_info_get_type(einfo) != SND_CTL_ELEM_TYPE_INTEGER )
WARN("playback volume control is not an integer\n");
if ( !snd_ctl_elem_info_is_readable(einfo) )
WARN("playback volume control is readable\n");
if ( !snd_ctl_elem_info_is_writable(einfo) )
WARN("playback volume control is readable\n");
TRACE(" ctrl range: min=%ld max=%ld step=%ld\n",
snd_ctl_elem_info_get_min(einfo),
snd_ctl_elem_info_get_max(einfo),
snd_ctl_elem_info_get_step(einfo));
EXIT_ON_ERROR( snd_ctl_elem_id_malloc(&wwo->playback_eid), "elem id malloc failed" );
EXIT_ON_ERROR( snd_ctl_elem_info_malloc(&wwo->playback_einfo), "elem info malloc failed" );
EXIT_ON_ERROR( snd_ctl_elem_value_malloc(&wwo->playback_evalue), "elem value malloc failed" );
/* ok, now we can safely save these objects for later */
snd_ctl_elem_id_copy(wwo->playback_eid, e_id);
snd_ctl_elem_info_copy(wwo->playback_einfo, einfo);
snd_ctl_elem_value_set_id(wwo->playback_evalue, wwo->playback_eid);
wwo->ctl = ctl;
}
elem=snd_hctl_elem_next(elem);
}
snd_hctl_close(hctl);
#undef EXIT_ON_ERROR
return 0;
}
/**************************************************************************
* ALSA_XRUNRecovery [internal]
*
* used to recovery from XRUN errors (buffer underflow/overflow)
*/
static int ALSA_XRUNRecovery(WINE_WAVEOUT * wwo, int err)
{
if (err == -EPIPE) { /* under-run */
err = snd_pcm_prepare(wwo->p_handle);
if (err < 0)
ERR( "underrun recovery failed. prepare failed: %s\n", snd_strerror(err));
return 0;
} else if (err == -ESTRPIPE) {
while ((err = snd_pcm_resume(wwo->p_handle)) == -EAGAIN)
sleep(1); /* wait until the suspend flag is released */
if (err < 0) {
err = snd_pcm_prepare(wwo->p_handle);
if (err < 0)
ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err));
}
return 0;
}
return err;
}
/**************************************************************************
* ALSA_TraceParameters [internal]
*
* used to trace format changes, hw and sw parameters
*/
static void ALSA_TraceParameters(snd_pcm_hw_params_t * hw_params, snd_pcm_sw_params_t * sw, int full)
{
snd_pcm_format_t format = snd_pcm_hw_params_get_format(hw_params);
snd_pcm_access_t access = snd_pcm_hw_params_get_access(hw_params);
#define X(x) ((x)? "true" : "false")
if (full)
TRACE("FLAGS: sampleres=%s overrng=%s pause=%s resume=%s syncstart=%s batch=%s block=%s double=%s "
"halfd=%s joint=%s \n",
X(snd_pcm_hw_params_can_mmap_sample_resolution(hw_params)),
X(snd_pcm_hw_params_can_overrange(hw_params)),
X(snd_pcm_hw_params_can_pause(hw_params)),
X(snd_pcm_hw_params_can_resume(hw_params)),
X(snd_pcm_hw_params_can_sync_start(hw_params)),
X(snd_pcm_hw_params_is_batch(hw_params)),
X(snd_pcm_hw_params_is_block_transfer(hw_params)),
X(snd_pcm_hw_params_is_double(hw_params)),
X(snd_pcm_hw_params_is_half_duplex(hw_params)),
X(snd_pcm_hw_params_is_joint_duplex(hw_params)));
#undef X
if (access >= 0)
TRACE("access=%s\n", snd_pcm_access_name(access));
else
{
snd_pcm_access_mask_t * acmask;
snd_pcm_access_mask_alloca(&acmask);
snd_pcm_hw_params_get_access_mask(hw_params, acmask);
for ( access = SND_PCM_ACCESS_MMAP_INTERLEAVED; access <= SND_PCM_ACCESS_LAST; access++)
if (snd_pcm_access_mask_test(acmask, access))
TRACE("access=%s\n", snd_pcm_access_name(access));
}
if (format >= 0)
{
TRACE("format=%s\n", snd_pcm_format_name(format));
}
else
{
snd_pcm_format_mask_t * fmask;
snd_pcm_format_mask_alloca(&fmask);
snd_pcm_hw_params_get_format_mask(hw_params, fmask);
for ( format = SND_PCM_FORMAT_S8; format <= SND_PCM_FORMAT_LAST ; format++)
if ( snd_pcm_format_mask_test(fmask, format) )
TRACE("format=%s\n", snd_pcm_format_name(format));
}
#define X(x) do { \
int n = snd_pcm_hw_params_get_##x(hw_params); \
if (n<0) \
TRACE(#x "_min=%ld " #x "_max=%ld\n", \
(long int)snd_pcm_hw_params_get_##x##_min(hw_params), \
(long int)snd_pcm_hw_params_get_##x##_max(hw_params)); \
else \
TRACE(#x "=%d\n", n); \
} while(0)
X(channels);
X(buffer_size);
#undef X
#define X(x) do { \
int n = snd_pcm_hw_params_get_##x(hw_params,0); \
if (n<0) \
TRACE(#x "_min=%ld " #x "_max=%ld\n", \
(long int)snd_pcm_hw_params_get_##x##_min(hw_params,0), \
(long int)snd_pcm_hw_params_get_##x##_max(hw_params,0)); \
else \
TRACE(#x "=%d\n", n); \
} while(0)
X(rate);
X(buffer_time);
X(periods);
X(period_size);
X(period_time);
X(tick_time);
#undef X
if (!sw)
return;
}
/******************************************************************
* ALSA_WaveInit
*
* Initialize internal structures from ALSA information
*/
LONG ALSA_WaveInit(void)
{
snd_pcm_t* h;
snd_pcm_info_t * info;
snd_pcm_hw_params_t * hw_params;
WINE_WAVEOUT* wwo;
wwo = &WOutDev[0];
/* FIXME: use better values */
wwo->device = "hw";
wwo->caps.wMid = 0x0002;
wwo->caps.wPid = 0x0104;
strcpy(wwo->caps.szPname, "SB16 Wave Out");
wwo->caps.vDriverVersion = 0x0100;
wwo->caps.dwFormats = 0x00000000;
wwo->caps.dwSupport = WAVECAPS_VOLUME;
if (!wine_dlopen("libasound.so.2", RTLD_LAZY|RTLD_GLOBAL, NULL, 0))
{
ERR("Error: ALSA lib needs to be loaded with flags RTLD_LAZY and RTLD_GLOBAL.\n");
return -1;
}
snd_pcm_info_alloca(&info);
snd_pcm_hw_params_alloca(&hw_params);
#define EXIT_ON_ERROR(f,txt) do { int err; if ( (err = (f) ) < 0) { ERR(txt ": %s\n", snd_strerror(err)); if (h) snd_pcm_close(h); return -1; } } while(0)
ALSA_WodNumDevs = 0;
EXIT_ON_ERROR( snd_pcm_open(&h, wwo->device, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK) , "open pcm" );
ALSA_WodNumDevs++;
EXIT_ON_ERROR( snd_pcm_info(h, info) , "pcm info" );
TRACE("dev=%d id=%s name=%s subdev=%d subdev_name=%s subdev_avail=%d subdev_num=%d stream=%s subclass=%s \n",
snd_pcm_info_get_device(info),
snd_pcm_info_get_id(info),
snd_pcm_info_get_name(info),
snd_pcm_info_get_subdevice(info),
snd_pcm_info_get_subdevice_name(info),
snd_pcm_info_get_subdevices_avail(info),
snd_pcm_info_get_subdevices_count(info),
snd_pcm_stream_name(snd_pcm_info_get_stream(info)),
(snd_pcm_info_get_subclass(info) == SND_PCM_SUBCLASS_GENERIC_MIX ? "GENERIC MIX": "MULTI MIX"));
EXIT_ON_ERROR( snd_pcm_hw_params_any(h, hw_params) , "pcm hw params" );
#undef EXIT_ON_ERROR
if (TRACE_ON(wave))
ALSA_TraceParameters(hw_params, NULL, TRUE);
{
snd_pcm_format_mask_t * fmask;
int ratemin = snd_pcm_hw_params_get_rate_min(hw_params, 0);
int ratemax = snd_pcm_hw_params_get_rate_max(hw_params, 0);
int chmin = snd_pcm_hw_params_get_channels_min(hw_params); \
int chmax = snd_pcm_hw_params_get_channels_max(hw_params); \
snd_pcm_format_mask_alloca(&fmask);
snd_pcm_hw_params_get_format_mask(hw_params, fmask);
#define X(r,v) \
if ( (r) >= ratemin && ( (r) <= ratemax || ratemax == -1) ) \
{ \
if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_U8)) \
{ \
if (chmin <= 1 && 1 <= chmax) \
wwo->caps.dwFormats |= WAVE_FORMAT_##v##S08; \
if (chmin <= 2 && 2 <= chmax) \
wwo->caps.dwFormats |= WAVE_FORMAT_##v##S08; \
} \
if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_S16_LE)) \
{ \
if (chmin <= 1 && 1 <= chmax) \
wwo->caps.dwFormats |= WAVE_FORMAT_##v##S16; \
if (chmin <= 2 && 2 <= chmax) \
wwo->caps.dwFormats |= WAVE_FORMAT_##v##S16; \
} \
}
X(11025,1);
X(22050,2);
X(44100,4);
#undef X
}
if ( snd_pcm_hw_params_get_channels_min(hw_params) > 1) FIXME("-\n");
wwo->caps.wChannels = (snd_pcm_hw_params_get_channels_max(hw_params) >= 2) ? 2 : 1;
if (snd_pcm_hw_params_get_channels_min(hw_params) <= 2 && 2 <= snd_pcm_hw_params_get_channels_max(hw_params))
wwo->caps.dwSupport |= WAVECAPS_LRVOLUME;
/* FIXME: always true ? */
wwo->caps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
{
snd_pcm_access_mask_t * acmask;
snd_pcm_access_mask_alloca(&acmask);
snd_pcm_hw_params_get_access_mask(hw_params, acmask);
/* FIXME: NONITERLEAVED and COMPLEX are not supported right now */
if ( snd_pcm_access_mask_test( acmask, SND_PCM_ACCESS_MMAP_INTERLEAVED ) )
wwo->caps.dwSupport |= WAVECAPS_DIRECTSOUND;
}
TRACE("Configured with dwFmts=%08lx dwSupport=%08lx\n",
wwo->caps.dwFormats, wwo->caps.dwSupport);
snd_pcm_close(h);
ALSA_InitializeVolumeCtl(wwo);
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, (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, snd_pcm_status_t* ps)
{
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;
wwo->lpPlayPtr->reserved = 0;
if (lpWaveHdr->dwFlags & WHDR_BEGINLOOP) {
if (wwo->lpLoopPtr) {
WARN("Already in a loop. Discarding loop on this header (%p)\n", lpWaveHdr);
} 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;
}
}
}
/**************************************************************************
* 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;
wwo->lpPlayPtr->reserved = 0;
} 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 play a
* period
*/
static DWORD wodPlayer_DSPWait(const WINE_WAVEOUT *wwo)
{
/* time for one period to be played */
return snd_pcm_hw_params_get_period_time(wwo->hw_params, 0) / 1000;
}
/**************************************************************************
* wodPllayer_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;
dwMillis = (lpWaveHdr->dwBufferLength - lpWaveHdr->reserved) * 1000 / wwo->format.wf.nAvgBytesPerSec;
if (!dwMillis) dwMillis = 1;
return dwMillis;
}
/**************************************************************************
* wodPlayer_WriteMaxFrags [internal]
* Writes the maximum number of frames possible to the DSP and returns
* the number of frames written.
*/
static int wodPlayer_WriteMaxFrags(WINE_WAVEOUT* wwo, DWORD* frames)
{
/* Only attempt to write to free frames */
LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
DWORD dwLength = snd_pcm_bytes_to_frames(wwo->p_handle, lpWaveHdr->dwBufferLength - lpWaveHdr->reserved);
int toWrite = min(dwLength, *frames);
int written;
TRACE("Writing wavehdr %p.%lu[%lu]\n", lpWaveHdr, lpWaveHdr->reserved, lpWaveHdr->dwBufferLength);
written = (wwo->write)(wwo->p_handle, lpWaveHdr->lpData + lpWaveHdr->reserved, toWrite);
if ( written < 0)
{
/* XRUN occurred. let's try to recover */
ALSA_XRUNRecovery(wwo, written);
written = (wwo->write)(wwo->p_handle, lpWaveHdr->lpData + lpWaveHdr->reserved, toWrite);
}
if (written <= 0)
{
/* still in error */
ERR("Error in writing wavehdr. Reason: %s\n", snd_strerror(written));
return written;
}
lpWaveHdr->reserved += snd_pcm_frames_to_bytes(wwo->p_handle, written);
if ( lpWaveHdr->reserved >= lpWaveHdr->dwBufferLength) {
/* this will be used to check if the given wave header has been fully played or not... */
lpWaveHdr->reserved = lpWaveHdr->dwBufferLength;
/* If we wrote all current wavehdr, skip to the next one */
wodPlayer_PlayPtrNext(wwo);
}
*frames -= written;
wwo->dwPlayedTotal += snd_pcm_frames_to_bytes(wwo->p_handle, written);
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 == lpWaveHdr->dwBufferLength))) {
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)
{
enum win_wm_message msg;
DWORD param;
HANDLE ev;
int err;
/* updates current notify list */
wodPlayer_NotifyCompletions(wwo, FALSE);
if ( (err = snd_pcm_drop(wwo->p_handle)) < 0) {
FIXME("flush: %s\n", snd_strerror(err));
wwo->hThread = 0;
wwo->state = WINE_WS_STOPPED;
ExitThread(-1);
}
if ( (err = snd_pcm_prepare(wwo->p_handle)) < 0 )
ERR("pcm prepare failed: %s\n", snd_strerror(err));
/* remove any buffer */
wodPlayer_NotifyCompletions(wwo, TRUE);
wwo->lpPlayPtr = wwo->lpQueuePtr = wwo->lpLoopPtr = NULL;
wwo->state = WINE_WS_STOPPED;
/* 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);
}
/**************************************************************************
* wodPlayer_ProcessMessages [internal]
*/
static void wodPlayer_ProcessMessages(WINE_WAVEOUT* wwo)
{
LPWAVEHDR lpWaveHdr;
enum win_wm_message msg;
DWORD param;
HANDLE ev;
int err;
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:
if ( snd_pcm_state(wwo->p_handle) == SND_PCM_STATE_RUNNING )
{
err = snd_pcm_pause(wwo->p_handle, 1);
if ( err < 0 )
ERR("pcm_pause failed: %s\n", snd_strerror(err));
}
wwo->state = WINE_WS_PAUSED;
SetEvent(ev);
break;
case WINE_WM_RESTARTING:
if (wwo->state == WINE_WS_PAUSED)
{
if ( snd_pcm_state(wwo->p_handle) == SND_PCM_STATE_PAUSED )
{
err = snd_pcm_pause(wwo->p_handle, 0);
if ( err < 0 )
ERR("pcm_pause failed: %s\n", snd_strerror(err));
}
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);
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)
{
DWORD availInQ = snd_pcm_avail_update(wwo->p_handle);
/* no more room... no need to try to feed */
while (wwo->lpPlayPtr && availInQ > 0)
if ( wodPlayer_WriteMaxFrags(wwo, &availInQ) < 0 )
break;
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_hw_params_t * hw_params;
snd_pcm_sw_params_t * sw_params;
snd_pcm_access_t access;
snd_pcm_format_t format;
int rate;
unsigned int buffer_time = 500000;
unsigned int period_time = 10000;
int buffer_size;
snd_pcm_uframes_t period_size;
int flags;
snd_pcm_t * pcm;
int err;
snd_pcm_hw_params_alloca(&hw_params);
snd_pcm_sw_params_alloca(&sw_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->p_handle = 0;
flags = SND_PCM_NONBLOCK;
if ( dwFlags & WAVE_DIRECTSOUND )
flags |= SND_PCM_ASYNC;
if (snd_pcm_open(&pcm, wwo->device, SND_PCM_STREAM_PLAYBACK, dwFlags))
{
ERR("Error open: %s\n", snd_strerror(errno));
return MMSYSERR_NOTENABLED;
}
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;
}
snd_pcm_hw_params_any(pcm, hw_params);
#define EXIT_ON_ERROR(f,e,txt) do \
{ \
int err; \
if ( (err = (f) ) < 0) \
{ \
ERR(txt ": %s\n", snd_strerror(err)); \
snd_pcm_close(pcm); \
return e; \
} \
} while(0)
access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
if ( ( err = snd_pcm_hw_params_set_access(pcm, hw_params, access ) ) < 0) {
WARN("mmap not available. switching to standard write.\n");
access = SND_PCM_ACCESS_RW_INTERLEAVED;
EXIT_ON_ERROR( snd_pcm_hw_params_set_access(pcm, hw_params, access ), MMSYSERR_INVALPARAM, "unable to set access for playback");
wwo->write = snd_pcm_writei;
}
else
wwo->write = snd_pcm_mmap_writei;
EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.wf.nChannels), MMSYSERR_INVALPARAM, "unable to set required channels");
format = (wwo->format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE : SND_PCM_FORMAT_U8;
EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), MMSYSERR_INVALPARAM, "unable to set required format");
rate = snd_pcm_hw_params_set_rate_near(pcm, hw_params, wwo->format.wf.nSamplesPerSec, 0);
if (rate < 0) {
ERR("Rate %ld Hz not available for playback: %s\n", wwo->format.wf.nSamplesPerSec, snd_strerror(rate));
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
if (rate != wwo->format.wf.nSamplesPerSec) {
ERR("Rate doesn't match (requested %ld Hz, got %d Hz)\n", wwo->format.wf.nSamplesPerSec, rate);
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, buffer_time, 0), MMSYSERR_INVALPARAM, "unable to set buffer time");
EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, period_time, 0), MMSYSERR_INVALPARAM, "unable to set period time");
EXIT_ON_ERROR( snd_pcm_hw_params(pcm, hw_params), MMSYSERR_INVALPARAM, "unable to set hw params for playback");
period_size = snd_pcm_hw_params_get_period_size(hw_params, 0);
buffer_size = snd_pcm_hw_params_get_buffer_size(hw_params);
snd_pcm_sw_params_current(pcm, sw_params);
EXIT_ON_ERROR( snd_pcm_sw_params_set_start_threshold(pcm, sw_params, dwFlags & WAVE_DIRECTSOUND ? INT_MAX : 1 ), MMSYSERR_ERROR, "unable to set start threshold");
EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_size(pcm, sw_params, period_size*2), MMSYSERR_ERROR, "unable to set silence size");
EXIT_ON_ERROR( snd_pcm_sw_params_set_avail_min(pcm, sw_params, period_size), MMSYSERR_ERROR, "unable to set avail min");
EXIT_ON_ERROR( snd_pcm_sw_params_set_xfer_align(pcm, sw_params, 1), MMSYSERR_ERROR, "unable to set xfer align");
EXIT_ON_ERROR( snd_pcm_sw_params_set_silence_threshold(pcm, sw_params, 0), MMSYSERR_ERROR, "unable to set silence threshold");
EXIT_ON_ERROR( snd_pcm_sw_params(pcm, sw_params), MMSYSERR_ERROR, "unable to set sw params for playback");
#undef EXIT_ON_ERROR
snd_pcm_prepare(pcm);
if (TRACE_ON(wave))
ALSA_TraceParameters(hw_params, sw_params, FALSE);
/* now, we can save all required data for later use... */
if ( wwo->hw_params )
snd_pcm_hw_params_free(wwo->hw_params);
snd_pcm_hw_params_malloc(&(wwo->hw_params));
snd_pcm_hw_params_copy(wwo->hw_params, hw_params);
wwo->dwBufferSize = buffer_size;
wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
wwo->p_handle = pcm;
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 \n", (DWORD)wwo->p_handle);
/* 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].p_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);
}
ALSA_DestroyRingMessage(&wwo->msgRing);
snd_pcm_hw_params_free(wwo->hw_params);
wwo->hw_params = NULL;
snd_pcm_close(wwo->p_handle);
wwo->p_handle = NULL;
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].p_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].p_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].p_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].p_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].p_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].p_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)
{
WORD left, right;
WINE_WAVEOUT* wwo;
int count;
long min, max;
TRACE("(%u, %p);\n", wDevID, lpdwVol);
if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].p_handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
wwo = &WOutDev[wDevID];
count = snd_ctl_elem_info_get_count(wwo->playback_einfo);
min = snd_ctl_elem_info_get_min(wwo->playback_einfo);
max = snd_ctl_elem_info_get_max(wwo->playback_einfo);
#define VOLUME_ALSA_TO_WIN(x) (((x)-min) * 65536 /(max-min))
if (lpdwVol == NULL)
return MMSYSERR_NOTENABLED;
switch (count)
{
case 2:
left = VOLUME_ALSA_TO_WIN(snd_ctl_elem_value_get_integer(wwo->playback_evalue, 0));
right = VOLUME_ALSA_TO_WIN(snd_ctl_elem_value_get_integer(wwo->playback_evalue, 1));
break;
case 1:
left = right = VOLUME_ALSA_TO_WIN(snd_ctl_elem_value_get_integer(wwo->playback_evalue, 0));
break;
default:
WARN("%d channels mixer not supported\n", count);
return MMSYSERR_NOERROR;
}
#undef VOLUME_ALSA_TO_WIN
TRACE("left=%d right=%d !\n", left, right);
*lpdwVol = MAKELONG( left, right );
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodSetVolume [internal]
*/
static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
{
WORD left, right;
WINE_WAVEOUT* wwo;
int count, err;
long min, max;
TRACE("(%u, %08lX);\n", wDevID, dwParam);
if (wDevID >= MAX_WAVEOUTDRV || WOutDev[wDevID].p_handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
wwo = &WOutDev[wDevID];
count=snd_ctl_elem_info_get_count(wwo->playback_einfo);
min = snd_ctl_elem_info_get_min(wwo->playback_einfo);
max = snd_ctl_elem_info_get_max(wwo->playback_einfo);
left = LOWORD(dwParam);
right = HIWORD(dwParam);
#define VOLUME_WIN_TO_ALSA(x) ( (((x) * (max-min)) / 65536) + min )
switch (count)
{
case 2:
snd_ctl_elem_value_set_integer(wwo->playback_evalue, 0, VOLUME_WIN_TO_ALSA(left));
snd_ctl_elem_value_set_integer(wwo->playback_evalue, 1, VOLUME_WIN_TO_ALSA(right));
break;
case 1:
snd_ctl_elem_value_set_integer(wwo->playback_evalue, 0, VOLUME_WIN_TO_ALSA(left));
break;
default:
WARN("%d channels mixer not supported\n", count);
}
#undef VOLUME_WIN_TO_ALSA
if ( (err = snd_ctl_elem_write(wwo->ctl, wwo->playback_evalue)) < 0)
{
ERR("error writing snd_ctl_elem_value: %s\n", snd_strerror(err));
}
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodGetNumDevs [internal]
*/
static DWORD wodGetNumDevs(void)
{
return ALSA_WodNumDevs;
}
/**************************************************************************
* wodMessage (WINEALSA.@)
*/
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_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_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_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;
CRITICAL_SECTION mmap_crst;
LPVOID mmap_buffer;
DWORD mmap_buflen_bytes;
snd_pcm_uframes_t mmap_buflen_frames;
snd_pcm_channel_area_t * mmap_areas;
snd_async_handler_t * mmap_async_handler;
};
static void DSDB_CheckXRUN(IDsDriverBufferImpl* pdbi)
{
WINE_WAVEOUT * wwo = &(WOutDev[pdbi->drv->wDevID]);
snd_pcm_state_t state = snd_pcm_state(wwo->p_handle);
if ( state == SND_PCM_STATE_XRUN )
{
int err = snd_pcm_prepare(wwo->p_handle);
TRACE("xrun occurred\n");
if ( err < 0 )
ERR("recovery from xrun failed, prepare failed: %s\n", snd_strerror(err));
}
else if ( state == SND_PCM_STATE_SUSPENDED )
{
int err = snd_pcm_resume(wwo->p_handle);
TRACE("recovery from suspension occurred\n");
if (err < 0 && err != -EAGAIN){
err = snd_pcm_prepare(wwo->p_handle);
if (err < 0)
ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err));
}
}
}
static void DSDB_MMAPCopy(IDsDriverBufferImpl* pdbi)
{
WINE_WAVEOUT * wwo = &(WOutDev[pdbi->drv->wDevID]);
int channels;
snd_pcm_format_t format;
snd_pcm_uframes_t period_size;
snd_pcm_sframes_t avail;
if ( !pdbi->mmap_buffer || !wwo->hw_params || !wwo->p_handle)
return;
channels = snd_pcm_hw_params_get_channels(wwo->hw_params);
format = snd_pcm_hw_params_get_format(wwo->hw_params);
period_size = snd_pcm_hw_params_get_period_size(wwo->hw_params, 0);
avail = snd_pcm_avail_update(wwo->p_handle);
DSDB_CheckXRUN(pdbi);
TRACE("avail=%d format=%s channels=%d\n", (int)avail, snd_pcm_format_name(format), channels );
while (avail >= period_size)
{
const snd_pcm_channel_area_t *areas;
snd_pcm_uframes_t ofs;
snd_pcm_uframes_t frames;
int err;
frames = avail / period_size * period_size; /* round down to a multiple of period_size */
EnterCriticalSection(&pdbi->mmap_crst);
snd_pcm_mmap_begin(wwo->p_handle, &areas, &ofs, &frames);
snd_pcm_areas_copy(areas, ofs, pdbi->mmap_areas, ofs, channels, frames, format);
err = snd_pcm_mmap_commit(wwo->p_handle, ofs, frames);
LeaveCriticalSection(&pdbi->mmap_crst);
if ( err != (snd_pcm_sframes_t) frames)
ERR("mmap partially failed.\n");
avail = snd_pcm_avail_update(wwo->p_handle);
}
}
static void DSDB_PCMCallback(snd_async_handler_t *ahandler)
{
/* snd_pcm_t * handle = snd_async_handler_get_pcm(ahandler); */
IDsDriverBufferImpl* pdbi = snd_async_handler_get_callback_private(ahandler);
TRACE("callback called\n");
DSDB_MMAPCopy(pdbi);
}
static int DSDB_CreateMMAP(IDsDriverBufferImpl* pdbi)
{
WINE_WAVEOUT * wwo = &(WOutDev[pdbi->drv->wDevID]);
snd_pcm_format_t format = snd_pcm_hw_params_get_format(wwo->hw_params);
snd_pcm_uframes_t frames = snd_pcm_hw_params_get_buffer_size(wwo->hw_params);
int channels = snd_pcm_hw_params_get_channels(wwo->hw_params);
unsigned int bits_per_sample = snd_pcm_format_physical_width(format);
unsigned int bits_per_frame = bits_per_sample * channels;
snd_pcm_channel_area_t * a;
unsigned int c;
int err;
if (TRACE_ON(wave))
ALSA_TraceParameters(wwo->hw_params, NULL, FALSE);
TRACE("format=%s frames=%ld channels=%d bits_per_sample=%d bits_per_frame=%d\n",
snd_pcm_format_name(format), frames, channels, bits_per_sample, bits_per_frame);
pdbi->mmap_buflen_frames = frames;
pdbi->mmap_buflen_bytes = snd_pcm_frames_to_bytes( wwo->p_handle, frames );
pdbi->mmap_buffer = HeapAlloc(GetProcessHeap(),0,pdbi->mmap_buflen_bytes);
if (!pdbi->mmap_buffer)
return DSERR_OUTOFMEMORY;
snd_pcm_format_set_silence(format, pdbi->mmap_buffer, frames );
TRACE("created mmap buffer of %ld frames (%ld bytes) at %p\n",
frames, pdbi->mmap_buflen_bytes, pdbi->mmap_buffer);
pdbi->mmap_areas = HeapAlloc(GetProcessHeap(),0,channels*sizeof(snd_pcm_channel_area_t));
if (!pdbi->mmap_areas)
return DSERR_OUTOFMEMORY;
a = pdbi->mmap_areas;
for (c = 0; c < channels; c++, a++)
{
a->addr = pdbi->mmap_buffer;
a->first = bits_per_sample * c;
a->step = bits_per_frame;
TRACE("Area %d: addr=%p first=%d step=%d\n", c, a->addr, a->first, a->step);
}
InitializeCriticalSection(&pdbi->mmap_crst);
err = snd_async_add_pcm_handler(&pdbi->mmap_async_handler, wwo->p_handle, DSDB_PCMCallback, pdbi);
if ( err < 0 )
{
ERR("add_pcm_handler failed. reason: %s\n", snd_strerror(err));
return DSERR_GENERIC;
}
return DS_OK;
}
static void DSDB_DestroyMMAP(IDsDriverBufferImpl* pdbi)
{
TRACE("mmap buffer %p destroyed\n", pdbi->mmap_buffer);
HeapFree(GetProcessHeap(), 0, pdbi->mmap_areas);
HeapFree(GetProcessHeap(), 0, pdbi->mmap_buffer);
pdbi->mmap_areas = NULL;
pdbi->mmap_buffer = NULL;
DeleteCriticalSection(&pdbi->mmap_crst);
}
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);
TRACE("(%p)\n",iface);
return ++This->ref;
}
static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
TRACE("(%p)\n",iface);
if (--This->ref)
return This->ref;
if (This == This->drv->primary)
This->drv->primary = NULL;
DSDB_DestroyMMAP(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); */
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);
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)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
WINE_WAVEOUT * wwo = &(WOutDev[This->drv->wDevID]);
snd_pcm_uframes_t hw_ptr;
snd_pcm_uframes_t period_size = snd_pcm_hw_params_get_period_size(wwo->hw_params, 0);
/** we need to track down buffer underruns */
DSDB_CheckXRUN(This);
EnterCriticalSection(&This->mmap_crst);
hw_ptr = _snd_pcm_mmap_hw_ptr(wwo->p_handle);
if (lpdwPlay)
*lpdwPlay = snd_pcm_frames_to_bytes(wwo->p_handle, hw_ptr/ period_size * period_size) % This->mmap_buflen_bytes;
if (lpdwWrite)
*lpdwWrite = snd_pcm_frames_to_bytes(wwo->p_handle, (hw_ptr / period_size + 1) * period_size ) % This->mmap_buflen_bytes;
LeaveCriticalSection(&This->mmap_crst);
TRACE("hw_ptr=0x%08x, playpos=%ld, writepos=%ld\n", (unsigned int)hw_ptr, lpdwPlay?*lpdwPlay:-1, lpdwWrite?*lpdwWrite:-1);
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_Play(PIDSDRIVERBUFFER iface, DWORD dwRes1, DWORD dwRes2, DWORD dwFlags)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
WINE_WAVEOUT * wwo = &(WOutDev[This->drv->wDevID]);
snd_pcm_state_t state;
int err;
TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
state = snd_pcm_state(wwo->p_handle);
if ( state == SND_PCM_STATE_SETUP )
{
err = snd_pcm_prepare(wwo->p_handle);
state = snd_pcm_state(wwo->p_handle);
}
if ( state == SND_PCM_STATE_PREPARED )
{
DSDB_MMAPCopy(This);
err = snd_pcm_start(wwo->p_handle);
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
{
ICOM_THIS(IDsDriverBufferImpl,iface);
WINE_WAVEOUT * wwo = &(WOutDev[This->drv->wDevID]);
int err;
DWORD play;
DWORD write;
TRACE("(%p)\n",iface);
/* ring buffer wrap up detection */
IDsDriverBufferImpl_GetPosition(iface, &play, &write);
if ( play > write)
{
TRACE("writepos wrapper up\n");
return DS_OK;
}
if ( ( err = snd_pcm_drop(wwo->p_handle)) < 0 )
{
ERR("error while stopping pcm: %s\n", snd_strerror(err));
return DSERR_GENERIC;
}
return DS_OK;
}
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);
TRACE("(%p)\n",iface);
This->ref++;
return This->ref;
}
static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
{
ICOM_THIS(IDsDriverImpl,iface);
TRACE("(%p)\n",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);
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
{
/* ICOM_THIS(IDsDriverImpl,iface); */
TRACE("(%p)\n",iface);
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));
pCaps->dwFlags = DSCAPS_PRIMARYMONO;
if ( WOutDev[This->wDevID].caps.wChannels == 2 )
pCaps->dwFlags |= DSCAPS_PRIMARYSTEREO;
if ( WOutDev[This->wDevID].caps.dwFormats & (WAVE_FORMAT_1S08 | WAVE_FORMAT_2S08 | WAVE_FORMAT_4S08 ) )
pCaps->dwFlags |= DSCAPS_PRIMARY8BIT;
if ( WOutDev[This->wDevID].caps.dwFormats & (WAVE_FORMAT_1S16 | WAVE_FORMAT_2S16 | WAVE_FORMAT_4S16))
pCaps->dwFlags |= DSCAPS_PRIMARY16BIT;
pCaps->dwPrimaryBuffers = 1;
TRACE("caps=0x%X\n",(unsigned int)pCaps->dwFlags);
/* 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;
int err;
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;
err = DSDB_CreateMMAP((*ippdsdb));
if ( err != DS_OK )
{
HeapFree(GetProcessHeap(), 0, *ippdsdb);
*ippdsdb = NULL;
return err;
}
*ppbBuffer = (*ippdsdb)->mmap_buffer;
*pdwcbBufferSize = (*ippdsdb)->mmap_buflen_bytes;
This->primary = *ippdsdb;
/* buffer is ready to go */
TRACE("buffer created at %p\n", *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;
TRACE("driver created\n");
/* 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;
}
#endif
#ifndef HAVE_ALSA
/**************************************************************************
* wodMessage (WINEALSA.@)
*/
DWORD WINAPI ALSA_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_ALSA */
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