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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
* 2003 Christian Costa : WaveIn support
*
* 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
*/
/* unless someone makes a wineserver kernel module, Unix pipes are faster than win32 events */
#define USE_PIPE_SYNC
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#include <stdarg.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 "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winerror.h"
#include "winuser.h"
#include "winnls.h"
#include "winreg.h"
#include "mmddk.h"
#include "mmreg.h"
#include "dsound.h"
#include "dsdriver.h"
#include "ks.h"
#include "ksguid.h"
#include "ksmedia.h"
#define ALSA_PCM_NEW_HW_PARAMS_API
#define ALSA_PCM_NEW_SW_PARAMS_API
#include "alsa.h"
#include "wine/library.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wave);
#ifdef HAVE_ALSA
/* internal ALSALIB functions */
snd_pcm_uframes_t _snd_pcm_mmap_hw_ptr(snd_pcm_t *pcm);
#define MAX_WAVEOUTDRV (6)
#define MAX_WAVEINDRV (6)
/* 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, WINE_WM_STARTING, WINE_WM_STOPPING
};
#ifdef USE_PIPE_SYNC
#define SIGNAL_OMR(omr) do { int x = 0; write((omr)->msg_pipe[1], &x, sizeof(x)); } while (0)
#define CLEAR_OMR(omr) do { int x = 0; read((omr)->msg_pipe[0], &x, sizeof(x)); } while (0)
#define RESET_OMR(omr) do { } while (0)
#define WAIT_OMR(omr, sleep) \
do { struct pollfd pfd; pfd.fd = (omr)->msg_pipe[0]; \
pfd.events = POLLIN; poll(&pfd, 1, sleep); } while (0)
#else
#define SIGNAL_OMR(omr) do { SetEvent((omr)->msg_event); } while (0)
#define CLEAR_OMR(omr) do { } while (0)
#define RESET_OMR(omr) do { ResetEvent((omr)->msg_event); } while (0)
#define WAIT_OMR(omr, sleep) \
do { WaitForSingleObject((omr)->msg_event, sleep); } while (0)
#endif
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
*/
#define ALSA_RING_BUFFER_INCREMENT 64
typedef struct {
ALSA_MSG * messages;
int ring_buffer_size;
int msg_tosave;
int msg_toget;
#ifdef USE_PIPE_SYNC
int msg_pipe[2];
#else
HANDLE msg_event;
#endif
CRITICAL_SECTION msg_crst;
} ALSA_MSG_RING;
typedef struct {
volatile int state; /* one of the WINE_WS_ manifest constants */
WAVEOPENDESC waveDesc;
WORD wFlags;
WAVEFORMATPCMEX format;
/* ALSA information (ALSA 0.9/1.x uses two different devices for playback/capture) */
char* device;
char interface_name[64];
snd_pcm_t* handle; /* handle to ALSA capture device */
snd_pcm_hw_params_t * hw_params; /* ALSA Hw params */
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; /* number of bytes actually played since opening */
DWORD dwWrittenTotal; /* number of bytes written to ALSA buffer since opening */
struct pollfd *ufds;
int count;
/* synchronization stuff */
HANDLE hStartUpEvent;
HANDLE hThread;
DWORD dwThreadID;
ALSA_MSG_RING msgRing;
/* DirectSound stuff */
DSDRIVERDESC ds_desc;
DSDRIVERCAPS ds_caps;
/* Waveout only fields */
WAVEOUTCAPSW outcaps;
char* mixer; /* mixer device name: hw:# */
snd_hctl_t * hctl; /* control handle for the playback volume */
snd_pcm_sframes_t (*write)(snd_pcm_t *, const void *, snd_pcm_uframes_t );
DWORD dwPartialOffset; /* Offset of not yet written bytes in lpPlayPtr */
/* Wavein only fields */
WAVEINCAPSW incaps;
DWORD dwSupport;
snd_pcm_sframes_t (*read)(snd_pcm_t *, void *, snd_pcm_uframes_t );
DWORD dwPeriodSize; /* size of OSS buffer period */
DWORD dwTotalRecorded;
} WINE_WAVEDEV;
static WINE_WAVEDEV WOutDev [MAX_WAVEOUTDRV];
static DWORD ALSA_WodNumDevs;
static WINE_WAVEDEV WInDev [MAX_WAVEINDRV];
static DWORD ALSA_WidNumDevs;
static DWORD wodDsCreate(UINT wDevID, PIDSDRIVER* drv);
static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc);
/* These strings used only for tracing */
static const char * getCmdString(enum win_wm_message msg)
{
static char unknown[32];
#define MSG_TO_STR(x) case x: return #x
switch(msg) {
MSG_TO_STR(WINE_WM_PAUSING);
MSG_TO_STR(WINE_WM_RESTARTING);
MSG_TO_STR(WINE_WM_RESETTING);
MSG_TO_STR(WINE_WM_HEADER);
MSG_TO_STR(WINE_WM_UPDATE);
MSG_TO_STR(WINE_WM_BREAKLOOP);
MSG_TO_STR(WINE_WM_CLOSING);
MSG_TO_STR(WINE_WM_STARTING);
MSG_TO_STR(WINE_WM_STOPPING);
}
#undef MSG_TO_STR
sprintf(unknown, "UNKNOWN(0x%08x)", msg);
return unknown;
}
static const char * getMessage(UINT msg)
{
static char unknown[32];
#define MSG_TO_STR(x) case x: return #x
switch(msg) {
MSG_TO_STR(DRVM_INIT);
MSG_TO_STR(DRVM_EXIT);
MSG_TO_STR(DRVM_ENABLE);
MSG_TO_STR(DRVM_DISABLE);
MSG_TO_STR(WIDM_OPEN);
MSG_TO_STR(WIDM_CLOSE);
MSG_TO_STR(WIDM_ADDBUFFER);
MSG_TO_STR(WIDM_PREPARE);
MSG_TO_STR(WIDM_UNPREPARE);
MSG_TO_STR(WIDM_GETDEVCAPS);
MSG_TO_STR(WIDM_GETNUMDEVS);
MSG_TO_STR(WIDM_GETPOS);
MSG_TO_STR(WIDM_RESET);
MSG_TO_STR(WIDM_START);
MSG_TO_STR(WIDM_STOP);
MSG_TO_STR(WODM_OPEN);
MSG_TO_STR(WODM_CLOSE);
MSG_TO_STR(WODM_WRITE);
MSG_TO_STR(WODM_PAUSE);
MSG_TO_STR(WODM_GETPOS);
MSG_TO_STR(WODM_BREAKLOOP);
MSG_TO_STR(WODM_PREPARE);
MSG_TO_STR(WODM_UNPREPARE);
MSG_TO_STR(WODM_GETDEVCAPS);
MSG_TO_STR(WODM_GETNUMDEVS);
MSG_TO_STR(WODM_GETPITCH);
MSG_TO_STR(WODM_SETPITCH);
MSG_TO_STR(WODM_GETPLAYBACKRATE);
MSG_TO_STR(WODM_SETPLAYBACKRATE);
MSG_TO_STR(WODM_GETVOLUME);
MSG_TO_STR(WODM_SETVOLUME);
MSG_TO_STR(WODM_RESTART);
MSG_TO_STR(WODM_RESET);
MSG_TO_STR(DRV_QUERYDEVICEINTERFACESIZE);
MSG_TO_STR(DRV_QUERYDEVICEINTERFACE);
MSG_TO_STR(DRV_QUERYDSOUNDIFACE);
MSG_TO_STR(DRV_QUERYDSOUNDDESC);
}
#undef MSG_TO_STR
sprintf(unknown, "UNKNOWN(0x%04x)", msg);
return unknown;
}
static const char * getFormat(WORD wFormatTag)
{
static char unknown[32];
#define FMT_TO_STR(x) case x: return #x
switch(wFormatTag) {
FMT_TO_STR(WAVE_FORMAT_PCM);
FMT_TO_STR(WAVE_FORMAT_EXTENSIBLE);
FMT_TO_STR(WAVE_FORMAT_MULAW);
FMT_TO_STR(WAVE_FORMAT_ALAW);
FMT_TO_STR(WAVE_FORMAT_ADPCM);
}
#undef FMT_TO_STR
sprintf(unknown, "UNKNOWN(0x%04x)", wFormatTag);
return unknown;
}
/* Allow 1% deviation for sample rates (some ES137x cards) */
static BOOL NearMatch(int rate1, int rate2)
{
return (((100 * (rate1 - rate2)) / rate1) == 0);
}
static DWORD bytes_to_mmtime(LPMMTIME lpTime, DWORD position,
WAVEFORMATPCMEX* format)
{
TRACE("wType=%04X wBitsPerSample=%u nSamplesPerSec=%lu nChannels=%u nAvgBytesPerSec=%lu\n",
lpTime->wType, format->Format.wBitsPerSample, format->Format.nSamplesPerSec,
format->Format.nChannels, format->Format.nAvgBytesPerSec);
TRACE("Position in bytes=%lu\n", position);
switch (lpTime->wType) {
case TIME_SAMPLES:
lpTime->u.sample = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
TRACE("TIME_SAMPLES=%lu\n", lpTime->u.sample);
break;
case TIME_MS:
lpTime->u.ms = 1000.0 * position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels * format->Format.nSamplesPerSec);
TRACE("TIME_MS=%lu\n", lpTime->u.ms);
break;
case TIME_SMPTE:
lpTime->u.smpte.fps = 30;
position = position / (format->Format.wBitsPerSample / 8 * format->Format.nChannels);
position += (format->Format.nSamplesPerSec / lpTime->u.smpte.fps) - 1; /* round up */
lpTime->u.smpte.sec = position / format->Format.nSamplesPerSec;
position -= lpTime->u.smpte.sec * format->Format.nSamplesPerSec;
lpTime->u.smpte.min = lpTime->u.smpte.sec / 60;
lpTime->u.smpte.sec -= 60 * lpTime->u.smpte.min;
lpTime->u.smpte.hour = lpTime->u.smpte.min / 60;
lpTime->u.smpte.min -= 60 * lpTime->u.smpte.hour;
lpTime->u.smpte.fps = 30;
lpTime->u.smpte.frame = position * lpTime->u.smpte.fps / format->Format.nSamplesPerSec;
TRACE("TIME_SMPTE=%02u:%02u:%02u:%02u\n",
lpTime->u.smpte.hour, lpTime->u.smpte.min,
lpTime->u.smpte.sec, lpTime->u.smpte.frame);
break;
default:
WARN("Format %d not supported, using TIME_BYTES !\n", lpTime->wType);
lpTime->wType = TIME_BYTES;
/* fall through */
case TIME_BYTES:
lpTime->u.cb = position;
TRACE("TIME_BYTES=%lu\n", lpTime->u.cb);
break;
}
return MMSYSERR_NOERROR;
}
static BOOL supportedFormat(LPWAVEFORMATEX wf)
{
TRACE("(%p)\n",wf);
if (wf->nSamplesPerSec<DSBFREQUENCY_MIN||wf->nSamplesPerSec>DSBFREQUENCY_MAX)
return FALSE;
if (wf->wFormatTag == WAVE_FORMAT_PCM) {
if (wf->nChannels==1||wf->nChannels==2) {
if (wf->wBitsPerSample==8||wf->wBitsPerSample==16)
return TRUE;
}
} else if (wf->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
WAVEFORMATEXTENSIBLE * wfex = (WAVEFORMATEXTENSIBLE *)wf;
if (wf->cbSize == 22 &&
(IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM) ||
IsEqualGUID(&wfex->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))) {
if (wf->nChannels>=1 && wf->nChannels<=6) {
if (wf->wBitsPerSample==wfex->Samples.wValidBitsPerSample) {
if (wf->wBitsPerSample==8||wf->wBitsPerSample==16||
wf->wBitsPerSample==24||wf->wBitsPerSample==32) {
return TRUE;
}
} else
WARN("wBitsPerSample != wValidBitsPerSample not supported yet\n");
}
} else
WARN("only KSDATAFORMAT_SUBTYPE_PCM and KSDATAFORMAT_SUBTYPE_IEEE_FLOAT "
"supported\n");
} else if (wf->wFormatTag == WAVE_FORMAT_MULAW || wf->wFormatTag == WAVE_FORMAT_ALAW) {
if (wf->wBitsPerSample==8)
return TRUE;
else
ERR("WAVE_FORMAT_MULAW and WAVE_FORMAT_ALAW wBitsPerSample must = 8\n");
} else if (wf->wFormatTag == WAVE_FORMAT_ADPCM) {
if (wf->wBitsPerSample==4)
return TRUE;
else
ERR("WAVE_FORMAT_ADPCM wBitsPerSample must = 4\n");
} else
WARN("only WAVE_FORMAT_PCM and WAVE_FORMAT_EXTENSIBLE supported\n");
return FALSE;
}
static void copy_format(LPWAVEFORMATEX wf1, LPWAVEFORMATPCMEX wf2)
{
ZeroMemory(wf2, sizeof(wf2));
if (wf1->wFormatTag == WAVE_FORMAT_PCM)
memcpy(wf2, wf1, sizeof(PCMWAVEFORMAT));
else if (wf1->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
memcpy(wf2, wf1, sizeof(WAVEFORMATPCMEX));
else
memcpy(wf2, wf1, sizeof(WAVEFORMATEX) + wf1->cbSize);
}
/*======================================================================*
* Low level WAVE implementation *
*======================================================================*/
/**************************************************************************
* ALSA_CheckSetVolume [internal]
*
* Helper function for Alsa volume queries. This tries to simplify
* the process of managing the volume. All parameters are optional
* (pass NULL to ignore or not use).
* Return values are MMSYSERR_NOERROR on success, or !0 on failure;
* error codes are normalized into the possible documented return
* values from waveOutGetVolume.
*/
static int ALSA_CheckSetVolume(snd_hctl_t *hctl, int *out_left, int *out_right,
int *out_min, int *out_max, int *out_step,
int *new_left, int *new_right)
{
int rc = MMSYSERR_NOERROR;
int value_count = 0;
snd_hctl_elem_t * elem = NULL;
snd_ctl_elem_info_t * eleminfop = NULL;
snd_ctl_elem_value_t * elemvaluep = NULL;
snd_ctl_elem_id_t * elemidp = NULL;
#define EXIT_ON_ERROR(f,txt,exitcode) do \
{ \
int err; \
if ( (err = (f) ) < 0) \
{ \
ERR(txt " failed: %s\n", snd_strerror(err)); \
rc = exitcode; \
goto out; \
} \
} while(0)
if (! hctl)
return MMSYSERR_NOTSUPPORTED;
/* Allocate areas to return information about the volume */
EXIT_ON_ERROR(snd_ctl_elem_id_malloc(&elemidp), "snd_ctl_elem_id_malloc", MMSYSERR_NOMEM);
EXIT_ON_ERROR(snd_ctl_elem_value_malloc (&elemvaluep), "snd_ctl_elem_value_malloc", MMSYSERR_NOMEM);
EXIT_ON_ERROR(snd_ctl_elem_info_malloc (&eleminfop), "snd_ctl_elem_info_malloc", MMSYSERR_NOMEM);
snd_ctl_elem_id_clear(elemidp);
snd_ctl_elem_value_clear(elemvaluep);
snd_ctl_elem_info_clear(eleminfop);
/* Setup and find an element id that exactly matches the characteristic we want
** FIXME: It is probably short sighted to hard code and fixate on PCM Playback Volume */
snd_ctl_elem_id_set_name(elemidp, "PCM Playback Volume");
snd_ctl_elem_id_set_interface(elemidp, SND_CTL_ELEM_IFACE_MIXER);
elem = snd_hctl_find_elem(hctl, elemidp);
if (elem)
{
/* Read and return volume information */
EXIT_ON_ERROR(snd_hctl_elem_info(elem, eleminfop), "snd_hctl_elem_info", MMSYSERR_NOTSUPPORTED);
value_count = snd_ctl_elem_info_get_count(eleminfop);
if (out_min || out_max || out_step)
{
if (!snd_ctl_elem_info_is_readable(eleminfop))
{
ERR("snd_ctl_elem_info_is_readable returned false; cannot return info\n");
rc = MMSYSERR_NOTSUPPORTED;
goto out;
}
if (out_min)
*out_min = snd_ctl_elem_info_get_min(eleminfop);
if (out_max)
*out_max = snd_ctl_elem_info_get_max(eleminfop);
if (out_step)
*out_step = snd_ctl_elem_info_get_step(eleminfop);
}
if (out_left || out_right)
{
EXIT_ON_ERROR(snd_hctl_elem_read(elem, elemvaluep), "snd_hctl_elem_read", MMSYSERR_NOTSUPPORTED);
if (out_left)
*out_left = snd_ctl_elem_value_get_integer(elemvaluep, 0);
if (out_right)
{
if (value_count == 1)
*out_right = snd_ctl_elem_value_get_integer(elemvaluep, 0);
else if (value_count == 2)
*out_right = snd_ctl_elem_value_get_integer(elemvaluep, 1);
else
{
ERR("Unexpected value count %d from snd_ctl_elem_info_get_count while getting volume info\n", value_count);
rc = -1;
goto out;
}
}
}
/* Set the volume */
if (new_left || new_right)
{
EXIT_ON_ERROR(snd_hctl_elem_read(elem, elemvaluep), "snd_hctl_elem_read", MMSYSERR_NOTSUPPORTED);
if (new_left)
snd_ctl_elem_value_set_integer(elemvaluep, 0, *new_left);
if (new_right)
{
if (value_count == 1)
snd_ctl_elem_value_set_integer(elemvaluep, 0, *new_right);
else if (value_count == 2)
snd_ctl_elem_value_set_integer(elemvaluep, 1, *new_right);
else
{
ERR("Unexpected value count %d from snd_ctl_elem_info_get_count while setting volume info\n", value_count);
rc = -1;
goto out;
}
}
EXIT_ON_ERROR(snd_hctl_elem_write(elem, elemvaluep), "snd_hctl_elem_write", MMSYSERR_NOTSUPPORTED);
}
}
else
{
ERR("Could not find 'PCM Playback Volume' element\n");
rc = MMSYSERR_NOTSUPPORTED;
}
#undef EXIT_ON_ERROR
out:
if (elemvaluep)
snd_ctl_elem_value_free(elemvaluep);
if (eleminfop)
snd_ctl_elem_info_free(eleminfop);
if (elemidp)
snd_ctl_elem_id_free(elemidp);
return rc;
}
/**************************************************************************
* ALSA_XRUNRecovery [internal]
*
* used to recovery from XRUN errors (buffer underflow/overflow)
*/
static int ALSA_XRUNRecovery(WINE_WAVEDEV * wwo, int err)
{
if (err == -EPIPE) { /* under-run */
err = snd_pcm_prepare(wwo->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->handle)) == -EAGAIN)
sleep(1); /* wait until the suspend flag is released */
if (err < 0) {
err = snd_pcm_prepare(wwo->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)
{
int err;
snd_pcm_format_t format;
snd_pcm_access_t access;
err = snd_pcm_hw_params_get_access(hw_params, &access);
err = snd_pcm_hw_params_get_format(hw_params, &format);
#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));
}
do {
int err=0;
unsigned int val=0;
err = snd_pcm_hw_params_get_channels(hw_params, &val);
if (err<0) {
unsigned int min = 0;
unsigned int max = 0;
err = snd_pcm_hw_params_get_channels_min(hw_params, &min),
err = snd_pcm_hw_params_get_channels_max(hw_params, &max);
TRACE("channels_min=%u, channels_min_max=%u\n", min, max);
} else {
TRACE("channels=%d\n", val);
}
} while(0);
do {
int err=0;
snd_pcm_uframes_t val=0;
err = snd_pcm_hw_params_get_buffer_size(hw_params, &val);
if (err<0) {
snd_pcm_uframes_t min = 0;
snd_pcm_uframes_t max = 0;
err = snd_pcm_hw_params_get_buffer_size_min(hw_params, &min),
err = snd_pcm_hw_params_get_buffer_size_max(hw_params, &max);
TRACE("buffer_size_min=%lu, buffer_size_min_max=%lu\n", min, max);
} else {
TRACE("buffer_size=%lu\n", val);
}
} while(0);
#define X(x) do { \
int err=0; \
int dir=0; \
unsigned int val=0; \
err = snd_pcm_hw_params_get_##x(hw_params,&val, &dir); \
if (err<0) { \
unsigned int min = 0; \
unsigned int max = 0; \
err = snd_pcm_hw_params_get_##x##_min(hw_params, &min, &dir); \
err = snd_pcm_hw_params_get_##x##_max(hw_params, &max, &dir); \
TRACE(#x "_min=%u " #x "_max=%u\n", min, max); \
} else \
TRACE(#x "=%d\n", val); \
} while(0)
X(rate);
X(buffer_time);
X(periods);
do {
int err=0;
int dir=0;
snd_pcm_uframes_t val=0;
err = snd_pcm_hw_params_get_period_size(hw_params, &val, &dir);
if (err<0) {
snd_pcm_uframes_t min = 0;
snd_pcm_uframes_t max = 0;
err = snd_pcm_hw_params_get_period_size_min(hw_params, &min, &dir),
err = snd_pcm_hw_params_get_period_size_max(hw_params, &max, &dir);
TRACE("period_size_min=%lu, period_size_min_max=%lu\n", min, max);
} else {
TRACE("period_size=%lu\n", val);
}
} while(0);
X(period_time);
X(tick_time);
#undef X
if (!sw)
return;
}
/* return a string duplicated on the win32 process heap, free with HeapFree */
static char* ALSA_strdup(const char *s) {
char *result = HeapAlloc(GetProcessHeap(), 0, strlen(s)+1);
strcpy(result, s);
return result;
}
/******************************************************************
* ALSA_GetDeviceFromReg
*
* Returns either "plug:hw" or reads the registry so the user can
* override the playback/record device used.
*/
static char *ALSA_GetDeviceFromReg(const char *value)
{
DWORD res;
DWORD type;
HKEY key = 0;
char *result = NULL;
DWORD resultSize;
/* @@ Wine registry key: HKLM\Software\Wine\Wine\Config\alsa */
res = RegOpenKeyExA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ALSA", 0, KEY_QUERY_VALUE, &key);
if (res != ERROR_SUCCESS) goto end;
res = RegQueryValueExA(key, value, NULL, &type, NULL, &resultSize);
if (res != ERROR_SUCCESS) goto end;
if (type != REG_SZ) {
ERR("Registry key [HKEY_LOCAL_MACHINE\\Software\\Wine\\Wine\\ALSA\\%s] must be a string\n", value);
goto end;
}
result = HeapAlloc(GetProcessHeap(), 0, resultSize);
res = RegQueryValueExA(key, value, NULL, NULL, result, &resultSize);
end:
if (!result)
result = ALSA_strdup("plug:hw");
if (key)
RegCloseKey(key);
return result;
}
/******************************************************************
* 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;
unsigned int ratemin=0;
unsigned int ratemax=0;
unsigned int chmin=0;
unsigned int chmax=0;
int dir=0;
int err=0;
WINE_WAVEDEV* wwo;
WINE_WAVEDEV* wwi;
int i;
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;
}
ALSA_WodNumDevs = 0;
for (i = 0; i < MAX_WAVEOUTDRV; i++)
{
char device[64];
char mixer[16];
char * regdev;
WCHAR nameW[64];
snd_pcm_format_mask_t * fmask;
snd_pcm_access_mask_t * acmask;
wwo = &WOutDev[ALSA_WodNumDevs];
regdev = ALSA_GetDeviceFromReg("PlaybackDevice");
sprintf(device, "%s:%d", regdev, i);
HeapFree(GetProcessHeap(), 0, regdev);
wwo->device = HeapAlloc(GetProcessHeap(), 0, strlen(device));
strcpy(wwo->device, device);
TRACE("using waveout device \"%s\"\n", wwo->device);
snprintf(wwo->interface_name, sizeof(wwo->interface_name), "winealsa: %s", wwo->device);
wwo->outcaps.wMid = 0x0002;
wwo->outcaps.wPid = 0x0104;
wwo->outcaps.vDriverVersion = 0x0100;
wwo->outcaps.dwFormats = 0x00000000;
wwo->outcaps.dwSupport = 0;
strcpy(wwo->ds_desc.szDrvname, "winealsa.drv");
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)
h = NULL;
snd_pcm_open(&h, wwo->device, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
if (!h)
continue;
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"));
strcpy(wwo->ds_desc.szDesc, snd_pcm_info_get_name(info));
MultiByteToWideChar(CP_ACP, 0, wwo->ds_desc.szDesc, -1, nameW, sizeof(nameW)/sizeof(WCHAR));
strcpyW(wwo->outcaps.szPname, nameW);
EXIT_ON_ERROR( snd_pcm_hw_params_any(h, hw_params) , "pcm hw params" );
#undef EXIT_ON_ERROR
err = snd_pcm_hw_params_get_rate_min(hw_params, &ratemin, &dir);
err = snd_pcm_hw_params_get_rate_max(hw_params, &ratemax, &dir);
err = snd_pcm_hw_params_get_channels_min(hw_params, &chmin);
err = snd_pcm_hw_params_get_channels_max(hw_params, &chmax);
if (TRACE_ON(wave))
ALSA_TraceParameters(hw_params, NULL, TRUE);
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->outcaps.dwFormats |= WAVE_FORMAT_##v##M08; \
if (chmin <= 2 && 2 <= chmax) \
wwo->outcaps.dwFormats |= WAVE_FORMAT_##v##S08; \
} \
if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_S16_LE)) \
{ \
if (chmin <= 1 && 1 <= chmax) \
wwo->outcaps.dwFormats |= WAVE_FORMAT_##v##M16; \
if (chmin <= 2 && 2 <= chmax) \
wwo->outcaps.dwFormats |= WAVE_FORMAT_##v##S16; \
} \
}
X(11025,1);
X(22050,2);
X(44100,4);
X(48000,48);
X(96000,96);
#undef X
if (chmin > 1)
FIXME("-\n");
wwo->outcaps.wChannels = chmax;
/* FIXME: always true ? */
wwo->outcaps.dwSupport |= WAVECAPS_SAMPLEACCURATE;
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->outcaps.dwSupport |= WAVECAPS_DIRECTSOUND;
TRACE("Configured with dwFmts=%08lx dwSupport=%08lx\n",
wwo->outcaps.dwFormats, wwo->outcaps.dwSupport);
snd_pcm_close(h);
/* Get a high level control handle for volume operations */
/* FIXME: This is never freed! (there are other things done in this function similarly not freed) */
sprintf(mixer, "hw:%d", i);
wwo->mixer = HeapAlloc(GetProcessHeap(), 0, strlen(mixer));
strcpy(wwo->mixer, mixer);
TRACE("using mixer device \"%s\"\n", wwo->mixer);
if (snd_hctl_open(&wwo->hctl, wwo->mixer, 0) >= 0)
snd_hctl_load(wwo->hctl);
else
wwo->hctl = NULL;
/* check for volume control support */
if (wwo->hctl) {
wwo->outcaps.dwSupport |= WAVECAPS_VOLUME;
if (chmin <= 2 && 2 <= chmax)
wwo->outcaps.dwSupport |= WAVECAPS_LRVOLUME;
}
if (wwo->outcaps.dwFormats & (WAVE_FORMAT_1M08 | WAVE_FORMAT_2M08 |
WAVE_FORMAT_4M08 | WAVE_FORMAT_48M08 |
WAVE_FORMAT_96M08 | WAVE_FORMAT_1M16 |
WAVE_FORMAT_2M16 | WAVE_FORMAT_4M16 |
WAVE_FORMAT_48M16 | WAVE_FORMAT_96M16) )
wwo->ds_caps.dwFlags |= DSCAPS_PRIMARYMONO;
if (wwo->outcaps.dwFormats & (WAVE_FORMAT_1S08 | WAVE_FORMAT_2S08 |
WAVE_FORMAT_4S08 | WAVE_FORMAT_48S08 |
WAVE_FORMAT_96S08 | WAVE_FORMAT_1S16 |
WAVE_FORMAT_2S16 | WAVE_FORMAT_4S16 |
WAVE_FORMAT_48S16 | WAVE_FORMAT_96S16) )
wwo->ds_caps.dwFlags |= DSCAPS_PRIMARYSTEREO;
if (wwo->outcaps.dwFormats & (WAVE_FORMAT_1M08 | WAVE_FORMAT_2M08 |
WAVE_FORMAT_4M08 | WAVE_FORMAT_48M08 |
WAVE_FORMAT_96M08 | WAVE_FORMAT_1S08 |
WAVE_FORMAT_2S08 | WAVE_FORMAT_4S08 |
WAVE_FORMAT_48S08 | WAVE_FORMAT_96S08) )
wwo->ds_caps.dwFlags |= DSCAPS_PRIMARY8BIT;
if (wwo->outcaps.dwFormats & (WAVE_FORMAT_1M16 | WAVE_FORMAT_2M16 |
WAVE_FORMAT_4M16 | WAVE_FORMAT_48M16 |
WAVE_FORMAT_96M16 | WAVE_FORMAT_1S16 |
WAVE_FORMAT_2S16 | WAVE_FORMAT_4S16 |
WAVE_FORMAT_48S16 | WAVE_FORMAT_96S16) )
wwo->ds_caps.dwFlags |= DSCAPS_PRIMARY16BIT;
wwo->ds_caps.dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
wwo->ds_caps.dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
wwo->ds_caps.dwPrimaryBuffers = 1;
ALSA_WodNumDevs++;
}
ALSA_WidNumDevs = 0;
for (i = 0; i < MAX_WAVEINDRV; i++)
{
char device[64];
char * regdev;
WCHAR nameW[64];
snd_pcm_format_mask_t * fmask;
snd_pcm_access_mask_t * acmask;
wwi = &WInDev[ALSA_WidNumDevs];
regdev = ALSA_GetDeviceFromReg("CaptureDevice");
sprintf(device, "%s:%d", regdev, i);
HeapFree(GetProcessHeap(), 0, regdev);
wwi->device = HeapAlloc(GetProcessHeap(), 0, strlen(device));
strcpy(wwi->device, device);
TRACE("using wavein device \"%s\"\n", wwi->device);
snprintf(wwi->interface_name, sizeof(wwi->interface_name), "winealsa: %s", wwi->device);
wwi->incaps.wMid = 0x0002;
wwi->incaps.wPid = 0x0104;
wwi->incaps.vDriverVersion = 0x0100;
wwi->incaps.dwFormats = 0x00000000;
strcpy(wwi->ds_desc.szDrvname, "winealsa.drv");
wwi->dwSupport = 0;
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)
h = NULL;
snd_pcm_open(&h, wwi->device, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if (!h)
continue;
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"));
strcpy(wwi->ds_desc.szDesc, snd_pcm_info_get_name(info));
MultiByteToWideChar(CP_ACP, 0, wwi->ds_desc.szDesc, -1, nameW, sizeof(nameW)/sizeof(WCHAR));
strcpyW(wwi->incaps.szPname, nameW);
EXIT_ON_ERROR( snd_pcm_hw_params_any(h, hw_params) , "pcm hw params" );
#undef EXIT_ON_ERROR
err = snd_pcm_hw_params_get_rate_min(hw_params, &ratemin, &dir);
err = snd_pcm_hw_params_get_rate_max(hw_params, &ratemax, &dir);
err = snd_pcm_hw_params_get_channels_min(hw_params, &chmin);
err = snd_pcm_hw_params_get_channels_max(hw_params, &chmax);
if (TRACE_ON(wave))
ALSA_TraceParameters(hw_params, NULL, TRUE);
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) \
wwi->incaps.dwFormats |= WAVE_FORMAT_##v##M08; \
if (chmin <= 2 && 2 <= chmax) \
wwi->incaps.dwFormats |= WAVE_FORMAT_##v##S08; \
} \
if (snd_pcm_format_mask_test( fmask, SND_PCM_FORMAT_S16_LE)) \
{ \
if (chmin <= 1 && 1 <= chmax) \
wwi->incaps.dwFormats |= WAVE_FORMAT_##v##M16; \
if (chmin <= 2 && 2 <= chmax) \
wwi->incaps.dwFormats |= WAVE_FORMAT_##v##S16; \
} \
}
X(11025,1);
X(22050,2);
X(44100,4);
X(48000,48);
X(96000,96);
#undef X
if (chmin > 1)
FIXME("-\n");
wwi->incaps.wChannels = chmax;
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 ) ) {
#if 0
wwi->dwSupport |= WAVECAPS_DIRECTSOUND;
#endif
}
TRACE("Configured with dwFmts=%08lx\n", wwi->incaps.dwFormats);
snd_pcm_close(h);
ALSA_WidNumDevs++;
}
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;
#ifdef USE_PIPE_SYNC
if (pipe(omr->msg_pipe) < 0) {
omr->msg_pipe[0] = -1;
omr->msg_pipe[1] = -1;
ERR("could not create pipe, error=%s\n", strerror(errno));
}
#else
omr->msg_event = CreateEventW(NULL, FALSE, FALSE, NULL);
#endif
omr->ring_buffer_size = ALSA_RING_BUFFER_INCREMENT;
omr->messages = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,omr->ring_buffer_size * sizeof(ALSA_MSG));
InitializeCriticalSection(&omr->msg_crst);
return 0;
}
/******************************************************************
* ALSA_DestroyRingMessage
*
*/
static int ALSA_DestroyRingMessage(ALSA_MSG_RING* omr)
{
#ifdef USE_PIPE_SYNC
close(omr->msg_pipe[0]);
close(omr->msg_pipe[1]);
#else
CloseHandle(omr->msg_event);
#endif
HeapFree(GetProcessHeap(),0,omr->messages);
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) % omr->ring_buffer_size)))
{
int old_ring_buffer_size = omr->ring_buffer_size;
omr->ring_buffer_size += ALSA_RING_BUFFER_INCREMENT;
TRACE("omr->ring_buffer_size=%d\n",omr->ring_buffer_size);
omr->messages = HeapReAlloc(GetProcessHeap(),0,omr->messages, omr->ring_buffer_size * sizeof(ALSA_MSG));
/* Now we need to rearrange the ring buffer so that the new
buffers just allocated are in between omr->msg_tosave and
omr->msg_toget.
*/
if (omr->msg_tosave < omr->msg_toget)
{
memmove(&(omr->messages[omr->msg_toget + ALSA_RING_BUFFER_INCREMENT]),
&(omr->messages[omr->msg_toget]),
sizeof(ALSA_MSG)*(old_ring_buffer_size - omr->msg_toget)
);
omr->msg_toget += ALSA_RING_BUFFER_INCREMENT;
}
}
if (wait)
{
hEvent = CreateEventW(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!!!! toget = %d(%s), tosave=%d(%s)\n",
omr->msg_toget,getCmdString(omr->messages[omr->msg_toget].msg),
omr->msg_tosave,getCmdString(omr->messages[omr->msg_tosave].msg));
/* fast messages have to be added at the start of the queue */
omr->msg_toget = (omr->msg_toget + omr->ring_buffer_size - 1) % omr->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) % omr->ring_buffer_size;
}
LeaveCriticalSection(&omr->msg_crst);
/* signal a new message */
SIGNAL_OMR(omr);
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) % omr->ring_buffer_size;
CLEAR_OMR(omr);
LeaveCriticalSection(&omr->msg_crst);
return 1;
}
/******************************************************************
* ALSA_PeekRingMessage
*
* Peek at a message from the ring but do not remove it.
* Should be called by the playback/record thread.
*/
static int ALSA_PeekRingMessage(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;
*param = omr->messages[omr->msg_toget].param;
*hEvent = omr->messages[omr->msg_toget].hEvent;
LeaveCriticalSection(&omr->msg_crst);
return 1;
}
/*======================================================================*
* Low level WAVE OUT implementation *
*======================================================================*/
/**************************************************************************
* wodNotifyClient [internal]
*/
static DWORD wodNotifyClient(WINE_WAVEDEV* 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_WAVEDEV* wwo, snd_pcm_status_t* ps)
{
snd_pcm_sframes_t delay = 0;
snd_pcm_delay(wwo->handle, &delay);
if (snd_pcm_state(wwo->handle) != SND_PCM_STATE_RUNNING)
delay=0;
wwo->dwPlayedTotal = wwo->dwWrittenTotal - snd_pcm_frames_to_bytes(wwo->handle, delay);
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_WAVEDEV* 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_WAVEDEV* 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 play a
* period
*/
static DWORD wodPlayer_DSPWait(const WINE_WAVEDEV *wwo)
{
/* time for one period to be played */
unsigned int val=0;
int dir=0;
int err=0;
err = snd_pcm_hw_params_get_period_time(wwo->hw_params, &val, &dir);
return val / 1000;
}
/**************************************************************************
* 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_WAVEDEV* wwo, LPWAVEHDR lpWaveHdr)
{
DWORD dwMillis;
if (lpWaveHdr->reserved < wwo->dwPlayedTotal) {
dwMillis = 1;
} else {
dwMillis = (lpWaveHdr->reserved - wwo->dwPlayedTotal) * 1000 / wwo->format.Format.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_WAVEDEV* wwo, DWORD* frames)
{
/* Only attempt to write to free frames */
LPWAVEHDR lpWaveHdr = wwo->lpPlayPtr;
DWORD dwLength = snd_pcm_bytes_to_frames(wwo->handle, lpWaveHdr->dwBufferLength - wwo->dwPartialOffset);
int toWrite = min(dwLength, *frames);
int written;
TRACE("Writing wavehdr %p.%lu[%lu]\n", lpWaveHdr, wwo->dwPartialOffset, lpWaveHdr->dwBufferLength);
if (toWrite > 0) {
written = (wwo->write)(wwo->handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
if ( written < 0) {
/* XRUN occurred. let's try to recover */
ALSA_XRUNRecovery(wwo, written);
written = (wwo->write)(wwo->handle, lpWaveHdr->lpData + wwo->dwPartialOffset, toWrite);
}
if (written <= 0) {
/* still in error */
ERR("Error in writing wavehdr. Reason: %s\n", snd_strerror(written));
return written;
}
} else
written = 0;
wwo->dwPartialOffset += snd_pcm_frames_to_bytes(wwo->handle, written);
if ( wwo->dwPartialOffset >= lpWaveHdr->dwBufferLength) {
/* this will be used to check if the given wave header has been fully played or not... */
wwo->dwPartialOffset = lpWaveHdr->dwBufferLength;
/* If we wrote all current wavehdr, skip to the next one */
wodPlayer_PlayPtrNext(wwo);
}
*frames -= written;
wwo->dwWrittenTotal += snd_pcm_frames_to_bytes(wwo->handle, written);
TRACE("dwWrittenTotal=%lu\n", wwo->dwWrittenTotal);
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_WAVEDEV* 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
*/
#if 0
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);
}
#else
for (;;)
{
lpWaveHdr = wwo->lpQueuePtr;
if (!lpWaveHdr) {TRACE("Empty queue\n"); break;}
if (!force)
{
if (lpWaveHdr == wwo->lpPlayPtr) {TRACE("play %p\n", lpWaveHdr); break;}
if (lpWaveHdr == wwo->lpLoopPtr) {TRACE("loop %p\n", lpWaveHdr); break;}
if (lpWaveHdr->reserved > wwo->dwPlayedTotal){TRACE("still playing %p (%lu/%lu)\n", lpWaveHdr, lpWaveHdr->reserved, wwo->dwPlayedTotal);break;}
}
wwo->lpQueuePtr = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wodNotifyClient(wwo, WOM_DONE, (DWORD)lpWaveHdr, 0);
}
#endif
return (lpWaveHdr && lpWaveHdr != wwo->lpPlayPtr && lpWaveHdr != wwo->lpLoopPtr) ?
wodPlayer_NotifyWait(wwo, lpWaveHdr) : INFINITE;
}
static void wait_for_poll(snd_pcm_t *handle, struct pollfd *ufds, unsigned int count)
{
unsigned short revents;
if (snd_pcm_state(handle) != SND_PCM_STATE_RUNNING)
return;
while (1) {
poll(ufds, count, -1);
snd_pcm_poll_descriptors_revents(handle, ufds, count, &revents);
if (revents & POLLERR)
return;
/*if (revents & POLLOUT)
return 0;*/
}
}
/**************************************************************************
* wodPlayer_Reset [internal]
*
* wodPlayer helper. Resets current output stream.
*/
static void wodPlayer_Reset(WINE_WAVEDEV* wwo)
{
enum win_wm_message msg;
DWORD param;
HANDLE ev;
int err;
TRACE("(%p)\n", wwo);
/* flush all possible output */
wait_for_poll(wwo->handle, wwo->ufds, wwo->count);
wodUpdatePlayedTotal(wwo, NULL);
/* updates current notify list */
wodPlayer_NotifyCompletions(wwo, FALSE);
if ( (err = snd_pcm_drop(wwo->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->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;
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);
}
RESET_OMR(&wwo->msgRing);
LeaveCriticalSection(&wwo->msgRing.msg_crst);
}
/**************************************************************************
* wodPlayer_ProcessMessages [internal]
*/
static void wodPlayer_ProcessMessages(WINE_WAVEDEV* 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", getCmdString(msg), param);
switch (msg) {
case WINE_WM_PAUSING:
if ( snd_pcm_state(wwo->handle) == SND_PCM_STATE_RUNNING )
{
err = snd_pcm_pause(wwo->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->handle) == SND_PCM_STATE_PAUSED )
{
err = snd_pcm_pause(wwo->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_WAVEDEV* wwo)
{
DWORD availInQ;
wodUpdatePlayedTotal(wwo, NULL);
availInQ = snd_pcm_avail_update(wwo->handle);
#if 0
/* input queue empty and output buffer with less than one fragment to play */
if (!wwo->lpPlayPtr && wwo->dwBufferSize < availInQ + wwo->dwFragmentSize) {
TRACE("Run out of wavehdr:s...\n");
return INFINITE;
}
#endif
/* no more room... no need to try to feed */
if (availInQ > 0) {
/* Feed from partial wavehdr */
if (wwo->lpPlayPtr && wwo->dwPartialOffset != 0) {
wodPlayer_WriteMaxFrags(wwo, &availInQ);
}
/* Feed wavehdrs until we run out of wavehdrs or DSP space */
if (wwo->dwPartialOffset == 0 && wwo->lpPlayPtr) {
do {
TRACE("Setting time to elapse for %p to %lu\n",
wwo->lpPlayPtr, wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength);
/* note the value that dwPlayedTotal will return when this wave finishes playing */
wwo->lpPlayPtr->reserved = wwo->dwWrittenTotal + wwo->lpPlayPtr->dwBufferLength;
} while (wodPlayer_WriteMaxFrags(wwo, &availInQ) && wwo->lpPlayPtr && availInQ > 0);
}
}
return wodPlayer_DSPWait(wwo);
}
/**************************************************************************
* wodPlayer [internal]
*/
static DWORD CALLBACK wodPlayer(LPVOID pmt)
{
WORD uDevID = (DWORD)pmt;
WINE_WAVEDEV* wwo = (WINE_WAVEDEV*)&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);
WAIT_OMR(&wwo->msgRing, dwSleepTime);
wodPlayer_ProcessMessages(wwo);
if (wwo->state == WINE_WS_PLAYING) {
dwNextFeedTime = wodPlayer_FeedDSP(wwo);
dwNextNotifyTime = wodPlayer_NotifyCompletions(wwo, FALSE);
if (dwNextFeedTime == INFINITE) {
/* FeedDSP ran out of data, but before giving up, */
/* check that a notification didn't give us more */
wodPlayer_ProcessMessages(wwo);
if (wwo->lpPlayPtr) {
TRACE("recovering\n");
dwNextFeedTime = wodPlayer_FeedDSP(wwo);
}
}
} else {
dwNextFeedTime = dwNextNotifyTime = INFINITE;
}
}
}
/**************************************************************************
* wodGetDevCaps [internal]
*/
static DWORD wodGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW 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].outcaps, min(dwSize, sizeof(*lpCaps)));
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodOpen [internal]
*/
static DWORD wodOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
WINE_WAVEDEV* 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 = -1;
unsigned int rate;
unsigned int buffer_time = 500000;
unsigned int period_time = 10000;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
int flags;
snd_pcm_t * pcm;
int err=0;
int dir=0;
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 (!supportedFormat(lpDesc->lpFormat)) {
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 (wwo->handle != NULL) {
WARN("already allocated\n");
return MMSYSERR_ALLOCATED;
}
if ((dwFlags & WAVE_DIRECTSOUND) && !(wwo->outcaps.dwSupport & WAVECAPS_DIRECTSOUND))
/* not supported, ignore it */
dwFlags &= ~WAVE_DIRECTSOUND;
wwo->handle = 0;
flags = SND_PCM_NONBLOCK;
#if 0
if ( dwFlags & WAVE_DIRECTSOUND )
flags |= SND_PCM_ASYNC;
#endif
if ( (err = snd_pcm_open(&pcm, wwo->device, SND_PCM_STREAM_PLAYBACK, flags)) < 0)
{
ERR("Error open: %s\n", snd_strerror(err));
return MMSYSERR_NOTENABLED;
}
wwo->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
memcpy(&wwo->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
copy_format(lpDesc->lpFormat, &wwo->format);
TRACE("Requested this format: %ldx%dx%d %s\n",
wwo->format.Format.nSamplesPerSec,
wwo->format.Format.wBitsPerSample,
wwo->format.Format.nChannels,
getFormat(wwo->format.Format.wFormatTag));
if (wwo->format.Format.wBitsPerSample == 0) {
WARN("Resetting zeroed wBitsPerSample\n");
wwo->format.Format.wBitsPerSample = 8 *
(wwo->format.Format.nAvgBytesPerSec /
wwo->format.Format.nSamplesPerSec) /
wwo->format.Format.nChannels;
}
snd_pcm_hw_params_any(pcm, hw_params);
#define EXIT_ON_ERROR(f,e,txt) do \
{ \
int err; \
if ( (err = (f) ) < 0) \
{ \
WARN(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;
if ((err = snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels)) < 0) {
WARN("unable to set required channels: %d\n", wwo->format.Format.nChannels);
if (dwFlags & WAVE_DIRECTSOUND) {
if (wwo->format.Format.nChannels > 2)
wwo->format.Format.nChannels = 2;
else if (wwo->format.Format.nChannels == 2)
wwo->format.Format.nChannels = 1;
else if (wwo->format.Format.nChannels == 1)
wwo->format.Format.nChannels = 2;
/* recalculate block align and bytes per second */
wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
WARN("changed number of channels from %d to %d\n", lpDesc->lpFormat->nChannels, wwo->format.Format.nChannels);
}
EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwo->format.Format.nChannels ), WAVERR_BADFORMAT, "unable to set required channels" );
}
if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
format = (wwo->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
(wwo->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
(wwo->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
(wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
} else if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwo->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
format = (wwo->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
} else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
} else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
} else if (wwo->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
} else {
ERR("invalid format: %0x04x\n", wwo->format.Format.wFormatTag);
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
if ((err = snd_pcm_hw_params_set_format(pcm, hw_params, format)) < 0) {
WARN("unable to set required format: %s\n", snd_pcm_format_name(format));
if (dwFlags & WAVE_DIRECTSOUND) {
if ((wwo->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
((wwo->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwo->format.SubFormat, & KSDATAFORMAT_SUBTYPE_PCM))) {
if (wwo->format.Format.wBitsPerSample != 16) {
wwo->format.Format.wBitsPerSample = 16;
format = SND_PCM_FORMAT_S16_LE;
} else {
wwo->format.Format.wBitsPerSample = 8;
format = SND_PCM_FORMAT_U8;
}
/* recalculate block align and bytes per second */
wwo->format.Format.nBlockAlign = (wwo->format.Format.wBitsPerSample * wwo->format.Format.nChannels) / 8;
wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
WARN("changed bits per sample from %d to %d\n", lpDesc->lpFormat->wBitsPerSample, wwo->format.Format.wBitsPerSample);
}
}
EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format" );
}
rate = wwo->format.Format.nSamplesPerSec;
dir=0;
err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
if (err < 0) {
WARN("Rate %ld Hz not available for playback: %s\n", wwo->format.Format.nSamplesPerSec, snd_strerror(rate));
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
if (!NearMatch(rate, wwo->format.Format.nSamplesPerSec)) {
if (dwFlags & WAVE_DIRECTSOUND) {
WARN("changed sample rate from %ld Hz to %d Hz\n", wwo->format.Format.nSamplesPerSec, rate);
wwo->format.Format.nSamplesPerSec = rate;
/* recalculate bytes per second */
wwo->format.Format.nAvgBytesPerSec = wwo->format.Format.nSamplesPerSec * wwo->format.Format.nBlockAlign;
} else {
WARN("Rate doesn't match (requested %ld Hz, got %d Hz)\n", wwo->format.Format.nSamplesPerSec, rate);
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
}
/* give the new format back to direct sound */
if (dwFlags & WAVE_DIRECTSOUND) {
lpDesc->lpFormat->wFormatTag = wwo->format.Format.wFormatTag;
lpDesc->lpFormat->nChannels = wwo->format.Format.nChannels;
lpDesc->lpFormat->nSamplesPerSec = wwo->format.Format.nSamplesPerSec;
lpDesc->lpFormat->wBitsPerSample = wwo->format.Format.wBitsPerSample;
lpDesc->lpFormat->nBlockAlign = wwo->format.Format.nBlockAlign;
lpDesc->lpFormat->nAvgBytesPerSec = wwo->format.Format.nAvgBytesPerSec;
}
TRACE("Got this format: %ldx%dx%d %s\n",
wwo->format.Format.nSamplesPerSec,
wwo->format.Format.wBitsPerSample,
wwo->format.Format.nChannels,
getFormat(wwo->format.Format.wFormatTag));
dir=0;
EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
dir=0;
EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), 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");
err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
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, 0), 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 = snd_pcm_frames_to_bytes(pcm, buffer_size);
wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
wwo->handle = pcm;
wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
wwo->dwPartialOffset = 0;
ALSA_InitRingMessage(&wwo->msgRing);
wwo->count = snd_pcm_poll_descriptors_count (wwo->handle);
if (wwo->count <= 0) {
ERR("Invalid poll descriptors count\n");
return MMSYSERR_ERROR;
}
wwo->ufds = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(struct pollfd) * wwo->count);
if (wwo->ufds == NULL) {
ERR("No enough memory\n");
return MMSYSERR_NOMEM;
}
if ((err = snd_pcm_poll_descriptors(wwo->handle, wwo->ufds, wwo->count)) < 0) {
ERR("Unable to obtain poll descriptors for playback: %s\n", snd_strerror(err));
return MMSYSERR_ERROR;
}
if (!(dwFlags & WAVE_DIRECTSOUND)) {
wwo->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
wwo->hThread = CreateThread(NULL, 0, wodPlayer, (LPVOID)(DWORD)wDevID, 0, &(wwo->dwThreadID));
if (wwo->hThread)
SetThreadPriority(wwo->hThread, THREAD_PRIORITY_TIME_CRITICAL);
WaitForSingleObject(wwo->hStartUpEvent, INFINITE);
CloseHandle(wwo->hStartUpEvent);
} else {
wwo->hThread = INVALID_HANDLE_VALUE;
wwo->dwThreadID = 0;
}
wwo->hStartUpEvent = INVALID_HANDLE_VALUE;
TRACE("handle=%08lx \n", (DWORD)wwo->handle);
/* if (wwo->dwFragmentSize % wwo->format.Format.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.Format.wBitsPerSample, wwo->format.Format.nAvgBytesPerSec,
wwo->format.Format.nSamplesPerSec, wwo->format.Format.nChannels,
wwo->format.Format.nBlockAlign);
return wodNotifyClient(wwo, WOM_OPEN, 0L, 0L);
}
/**************************************************************************
* wodClose [internal]
*/
static DWORD wodClose(WORD wDevID)
{
DWORD ret = MMSYSERR_NOERROR;
WINE_WAVEDEV* 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);
}
ALSA_DestroyRingMessage(&wwo->msgRing);
snd_pcm_hw_params_free(wwo->hw_params);
wwo->hw_params = NULL;
snd_pcm_close(wwo->handle);
wwo->handle = NULL;
ret = wodNotifyClient(wwo, WOM_CLOSE, 0L, 0L);
}
HeapFree(GetProcessHeap(), 0, wwo->ufds);
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;
}
/**************************************************************************
* 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)
{
WINE_WAVEDEV* 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);
return bytes_to_mmtime(lpTime, wwo->dwPlayedTotal, &wwo->format);
}
/**************************************************************************
* 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)
{
WORD wleft, wright;
WINE_WAVEDEV* wwo;
int min, max;
int left, right;
DWORD rc;
TRACE("(%u, %p);\n", wDevID, lpdwVol);
if (wDevID >= MAX_WAVEOUTDRV) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
if (lpdwVol == NULL)
return MMSYSERR_NOTENABLED;
wwo = &WOutDev[wDevID];
if (lpdwVol == NULL)
return MMSYSERR_NOTENABLED;
rc = ALSA_CheckSetVolume(wwo->hctl, &left, &right, &min, &max, NULL, NULL, NULL);
if (rc == MMSYSERR_NOERROR)
{
#define VOLUME_ALSA_TO_WIN(x) ( ( (((x)-min) * 65535) + (max-min)/2 ) /(max-min))
wleft = VOLUME_ALSA_TO_WIN(left);
wright = VOLUME_ALSA_TO_WIN(right);
#undef VOLUME_ALSA_TO_WIN
TRACE("left=%d,right=%d,converted to windows left %d, right %d\n", left, right, wleft, wright);
*lpdwVol = MAKELONG( wleft, wright );
}
else
TRACE("CheckSetVolume failed; rc %ld\n", rc);
return rc;
}
/**************************************************************************
* wodSetVolume [internal]
*/
static DWORD wodSetVolume(WORD wDevID, DWORD dwParam)
{
WORD wleft, wright;
WINE_WAVEDEV* wwo;
int min, max;
int left, right;
DWORD rc;
TRACE("(%u, %08lX);\n", wDevID, dwParam);
if (wDevID >= MAX_WAVEOUTDRV) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
wwo = &WOutDev[wDevID];
rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, &min, &max, NULL, NULL, NULL);
if (rc == MMSYSERR_NOERROR)
{
wleft = LOWORD(dwParam);
wright = HIWORD(dwParam);
#define VOLUME_WIN_TO_ALSA(x) ( ( ( ((x) * (max-min)) + 32767) / 65535) + min )
left = VOLUME_WIN_TO_ALSA(wleft);
right = VOLUME_WIN_TO_ALSA(wright);
#undef VOLUME_WIN_TO_ALSA
rc = ALSA_CheckSetVolume(wwo->hctl, NULL, NULL, NULL, NULL, NULL, &left, &right);
if (rc == MMSYSERR_NOERROR)
TRACE("set volume: wleft=%d, wright=%d, converted to alsa left %d, right %d\n", wleft, wright, left, right);
else
TRACE("SetVolume failed; rc %ld\n", rc);
}
return rc;
}
/**************************************************************************
* wodGetNumDevs [internal]
*/
static DWORD wodGetNumDevs(void)
{
return ALSA_WodNumDevs;
}
/**************************************************************************
* wodDevInterfaceSize [internal]
*/
static DWORD wodDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
{
TRACE("(%u, %p)\n", wDevID, dwParam1);
*dwParam1 = MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
NULL, 0 ) * sizeof(WCHAR);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* wodDevInterface [internal]
*/
static DWORD wodDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
{
if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
NULL, 0 ) * sizeof(WCHAR))
{
MultiByteToWideChar(CP_ACP, 0, WOutDev[wDevID].interface_name, -1,
dwParam1, dwParam2 / sizeof(WCHAR));
return MMSYSERR_NOERROR;
}
return MMSYSERR_INVALPARAM;
}
/**************************************************************************
* wodMessage (WINEALSA.@)
*/
DWORD WINAPI ALSA_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
wDevID, getMessage(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, (LPWAVEOUTCAPSW)dwParam1, dwParam2);
case WODM_GETNUMDEVS: return wodGetNumDevs ();
case WODM_GETPITCH: return MMSYSERR_NOTSUPPORTED;
case WODM_SETPITCH: return MMSYSERR_NOTSUPPORTED;
case WODM_GETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
case WODM_SETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
case WODM_WRITE: return wodWrite (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_PAUSE: return wodPause (wDevID);
case WODM_GETPOS: return wodGetPosition (wDevID, (LPMMTIME)dwParam1, dwParam2);
case WODM_BREAKLOOP: return wodBreakLoop (wDevID);
case WODM_PREPARE: return MMSYSERR_NOTSUPPORTED;
case WODM_UNPREPARE: return MMSYSERR_NOTSUPPORTED;
case WODM_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_QUERYDEVICEINTERFACESIZE: return wodDevInterfaceSize (wDevID, (LPDWORD)dwParam1);
case DRV_QUERYDEVICEINTERFACE: return wodDevInterface (wDevID, (PWCHAR)dwParam1, dwParam2);
case DRV_QUERYDSOUNDIFACE: return wodDsCreate (wDevID, (PIDSDRIVER*)dwParam1);
case DRV_QUERYDSOUNDDESC: return wodDsDesc (wDevID, (PDSDRIVERDESC)dwParam1);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Low level DSOUND implementation *
*======================================================================*/
typedef struct IDsDriverImpl IDsDriverImpl;
typedef struct IDsDriverBufferImpl IDsDriverBufferImpl;
struct IDsDriverImpl
{
/* IUnknown fields */
const IDsDriverVtbl *lpVtbl;
DWORD ref;
/* IDsDriverImpl fields */
UINT wDevID;
IDsDriverBufferImpl*primary;
};
struct IDsDriverBufferImpl
{
/* IUnknown fields */
const IDsDriverBufferVtbl *lpVtbl;
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_WAVEDEV * wwo = &(WOutDev[pdbi->drv->wDevID]);
snd_pcm_state_t state = snd_pcm_state(wwo->handle);
if ( state == SND_PCM_STATE_XRUN )
{
int err = snd_pcm_prepare(wwo->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->handle);
TRACE("recovery from suspension occurred\n");
if (err < 0 && err != -EAGAIN){
err = snd_pcm_prepare(wwo->handle);
if (err < 0)
ERR("recovery from suspend failed, prepare failed: %s\n", snd_strerror(err));
}
}
}
static void DSDB_MMAPCopy(IDsDriverBufferImpl* pdbi)
{
WINE_WAVEDEV * wwo = &(WOutDev[pdbi->drv->wDevID]);
unsigned int channels;
snd_pcm_format_t format;
snd_pcm_uframes_t period_size;
snd_pcm_sframes_t avail;
int err;
int dir=0;
if ( !pdbi->mmap_buffer || !wwo->hw_params || !wwo->handle)
return;
err = snd_pcm_hw_params_get_channels(wwo->hw_params, &channels);
err = snd_pcm_hw_params_get_format(wwo->hw_params, &format);
dir=0;
err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &period_size, &dir);
avail = snd_pcm_avail_update(wwo->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->handle, &areas, &ofs, &frames);
if (areas != pdbi->mmap_areas || areas->addr != pdbi->mmap_areas->addr)
FIXME("Can't access sound driver's buffer directly.\n");
err = snd_pcm_mmap_commit(wwo->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->handle);
}
if (avail > 0)
{
const snd_pcm_channel_area_t *areas;
snd_pcm_uframes_t ofs;
snd_pcm_uframes_t frames;
int err;
frames = avail;
EnterCriticalSection(&pdbi->mmap_crst);
snd_pcm_mmap_begin(wwo->handle, &areas, &ofs, &frames);
if (areas != pdbi->mmap_areas || areas->addr != pdbi->mmap_areas->addr)
FIXME("Can't access sound driver's buffer directly.\n");
err = snd_pcm_mmap_commit(wwo->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->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_WAVEDEV * wwo = &(WOutDev[pdbi->drv->wDevID]);
snd_pcm_format_t format;
snd_pcm_uframes_t frames;
snd_pcm_uframes_t ofs;
snd_pcm_uframes_t avail;
unsigned int channels;
unsigned int bits_per_sample;
unsigned int bits_per_frame;
int err;
err = snd_pcm_hw_params_get_format(wwo->hw_params, &format);
err = snd_pcm_hw_params_get_buffer_size(wwo->hw_params, &frames);
err = snd_pcm_hw_params_get_channels(wwo->hw_params, &channels);
bits_per_sample = snd_pcm_format_physical_width(format);
bits_per_frame = bits_per_sample * channels;
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->handle, frames );
avail = snd_pcm_avail_update(wwo->handle);
if (avail < 0)
{
ERR("No buffer is available: %s.", snd_strerror(avail));
return DSERR_GENERIC;
}
err = snd_pcm_mmap_begin(wwo->handle, (const snd_pcm_channel_area_t **)&pdbi->mmap_areas, &ofs, &avail);
if ( err < 0 )
{
ERR("Can't map sound device for direct access: %s\n", snd_strerror(err));
return DSERR_GENERIC;
}
avail = 0;/* We don't have any data to commit yet */
err = snd_pcm_mmap_commit(wwo->handle, ofs, avail);
if (ofs > 0)
err = snd_pcm_rewind(wwo->handle, ofs);
pdbi->mmap_buffer = pdbi->mmap_areas->addr;
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);
InitializeCriticalSection(&pdbi->mmap_crst);
err = snd_async_add_pcm_handler(&pdbi->mmap_async_handler, wwo->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);
pdbi->mmap_areas = NULL;
pdbi->mmap_buffer = NULL;
DeleteCriticalSection(&pdbi->mmap_crst);
}
static HRESULT WINAPI IDsDriverBufferImpl_QueryInterface(PIDSDRIVERBUFFER iface, REFIID riid, LPVOID *ppobj)
{
/* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
FIXME("(): stub!\n");
return DSERR_UNSUPPORTED;
}
static ULONG WINAPI IDsDriverBufferImpl_AddRef(PIDSDRIVERBUFFER iface)
{
IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);
return refCount;
}
static ULONG WINAPI IDsDriverBufferImpl_Release(PIDSDRIVERBUFFER iface)
{
IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);
if (refCount)
return refCount;
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)
{
/* IDsDriverBufferImpl *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)
{
/* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
TRACE("(%p)\n",iface);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetFormat(PIDSDRIVERBUFFER iface,
LPWAVEFORMATEX pwfx)
{
/* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
TRACE("(%p,%p)\n",iface,pwfx);
return DSERR_BUFFERLOST;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetFrequency(PIDSDRIVERBUFFER iface, DWORD dwFreq)
{
/* IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface; */
TRACE("(%p,%ld): stub\n",iface,dwFreq);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetVolumePan(PIDSDRIVERBUFFER iface, PDSVOLUMEPAN pVolPan)
{
DWORD vol;
IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
TRACE("(%p,%p)\n",iface,pVolPan);
vol = pVolPan->dwTotalLeftAmpFactor | (pVolPan->dwTotalRightAmpFactor << 16);
if (wodSetVolume(This->drv->wDevID, vol) != MMSYSERR_NOERROR) {
WARN("wodSetVolume failed\n");
return DSERR_INVALIDPARAM;
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_SetPosition(PIDSDRIVERBUFFER iface, DWORD dwNewPos)
{
/* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
TRACE("(%p,%ld): stub\n",iface,dwNewPos);
return DSERR_UNSUPPORTED;
}
static HRESULT WINAPI IDsDriverBufferImpl_GetPosition(PIDSDRIVERBUFFER iface,
LPDWORD lpdwPlay, LPDWORD lpdwWrite)
{
IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
WINE_WAVEDEV * wwo = &(WOutDev[This->drv->wDevID]);
snd_pcm_uframes_t hw_ptr;
snd_pcm_uframes_t period_size;
int dir;
int err;
if (wwo->hw_params == NULL) return DSERR_GENERIC;
dir=0;
err = snd_pcm_hw_params_get_period_size(wwo->hw_params, &period_size, &dir);
if (wwo->handle == NULL) return DSERR_GENERIC;
/** we need to track down buffer underruns */
DSDB_CheckXRUN(This);
EnterCriticalSection(&This->mmap_crst);
/* FIXME: snd_pcm_mmap_hw_ptr() should not be accessed by a user app. */
/* It will NOT return what why want anyway. */
hw_ptr = _snd_pcm_mmap_hw_ptr(wwo->handle);
if (lpdwPlay)
*lpdwPlay = snd_pcm_frames_to_bytes(wwo->handle, hw_ptr/ period_size * period_size) % This->mmap_buflen_bytes;
if (lpdwWrite)
*lpdwWrite = snd_pcm_frames_to_bytes(wwo->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)
{
IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
WINE_WAVEDEV * wwo = &(WOutDev[This->drv->wDevID]);
snd_pcm_state_t state;
int err;
TRACE("(%p,%lx,%lx,%lx)\n",iface,dwRes1,dwRes2,dwFlags);
if (wwo->handle == NULL) return DSERR_GENERIC;
state = snd_pcm_state(wwo->handle);
if ( state == SND_PCM_STATE_SETUP )
{
err = snd_pcm_prepare(wwo->handle);
state = snd_pcm_state(wwo->handle);
}
if ( state == SND_PCM_STATE_PREPARED )
{
DSDB_MMAPCopy(This);
err = snd_pcm_start(wwo->handle);
}
return DS_OK;
}
static HRESULT WINAPI IDsDriverBufferImpl_Stop(PIDSDRIVERBUFFER iface)
{
IDsDriverBufferImpl *This = (IDsDriverBufferImpl *)iface;
WINE_WAVEDEV * wwo = &(WOutDev[This->drv->wDevID]);
int err;
DWORD play;
DWORD write;
TRACE("(%p)\n",iface);
if (wwo->handle == NULL) return DSERR_GENERIC;
/* 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->handle)) < 0 )
{
ERR("error while stopping pcm: %s\n", snd_strerror(err));
return DSERR_GENERIC;
}
return DS_OK;
}
static const IDsDriverBufferVtbl dsdbvt =
{
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)
{
/* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
FIXME("(%p): stub!\n",iface);
return DSERR_UNSUPPORTED;
}
static ULONG WINAPI IDsDriverImpl_AddRef(PIDSDRIVER iface)
{
IDsDriverImpl *This = (IDsDriverImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n",This, refCount - 1);
return refCount;
}
static ULONG WINAPI IDsDriverImpl_Release(PIDSDRIVER iface)
{
IDsDriverImpl *This = (IDsDriverImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n",This, refCount + 1);
if (refCount)
return refCount;
HeapFree(GetProcessHeap(),0,This);
return 0;
}
static HRESULT WINAPI IDsDriverImpl_GetDriverDesc(PIDSDRIVER iface, PDSDRIVERDESC pDesc)
{
IDsDriverImpl *This = (IDsDriverImpl *)iface;
TRACE("(%p,%p)\n",iface,pDesc);
memcpy(pDesc, &(WOutDev[This->wDevID].ds_desc), sizeof(DSDRIVERDESC));
pDesc->dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT |
DSDDESC_USESYSTEMMEMORY | DSDDESC_DONTNEEDPRIMARYLOCK;
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)
{
/* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
TRACE("(%p)\n",iface);
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_Close(PIDSDRIVER iface)
{
/* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
TRACE("(%p)\n",iface);
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_GetCaps(PIDSDRIVER iface, PDSDRIVERCAPS pCaps)
{
IDsDriverImpl *This = (IDsDriverImpl *)iface;
TRACE("(%p,%p)\n",iface,pCaps);
memcpy(pCaps, &(WOutDev[This->wDevID].ds_caps), sizeof(DSDRIVERCAPS));
return DS_OK;
}
static HRESULT WINAPI IDsDriverImpl_CreateSoundBuffer(PIDSDRIVER iface,
LPWAVEFORMATEX pwfx,
DWORD dwFlags, DWORD dwCardAddress,
LPDWORD pdwcbBufferSize,
LPBYTE *ppbBuffer,
LPVOID *ppvObj)
{
IDsDriverImpl *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 = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverBufferImpl));
if (*ippdsdb == NULL)
return DSERR_OUTOFMEMORY;
(*ippdsdb)->lpVtbl = &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)
{
/* IDsDriverImpl *This = (IDsDriverImpl *)iface; */
TRACE("(%p,%p): stub\n",iface,pBuffer);
return DSERR_INVALIDCALL;
}
static const IDsDriverVtbl dsdvt =
{
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].outcaps.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 = HeapAlloc(GetProcessHeap(),0,sizeof(IDsDriverImpl));
if (!*idrv)
return MMSYSERR_NOMEM;
(*idrv)->lpVtbl = &dsdvt;
(*idrv)->ref = 1;
(*idrv)->wDevID = wDevID;
(*idrv)->primary = NULL;
return MMSYSERR_NOERROR;
}
static DWORD wodDsDesc(UINT wDevID, PDSDRIVERDESC desc)
{
memcpy(desc, &(WOutDev[wDevID].ds_desc), sizeof(DSDRIVERDESC));
return MMSYSERR_NOERROR;
}
/*======================================================================*
* Low level WAVE IN implementation *
*======================================================================*/
/**************************************************************************
* widNotifyClient [internal]
*/
static DWORD widNotifyClient(WINE_WAVEDEV* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
{
TRACE("wMsg = 0x%04x dwParm1 = %04lX dwParam2 = %04lX\n", wMsg, dwParam1, dwParam2);
switch (wMsg) {
case WIM_OPEN:
case WIM_CLOSE:
case WIM_DATA:
if (wwi->wFlags != DCB_NULL &&
!DriverCallback(wwi->waveDesc.dwCallback, wwi->wFlags, (HDRVR)wwi->waveDesc.hWave,
wMsg, wwi->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;
}
/**************************************************************************
* widGetDevCaps [internal]
*/
static DWORD widGetDevCaps(WORD wDevID, LPWAVEOUTCAPSW lpCaps, DWORD dwSize)
{
TRACE("(%u, %p, %lu);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
if (wDevID >= MAX_WAVEINDRV) {
TRACE("MAX_WAVOUTDRV reached !\n");
return MMSYSERR_BADDEVICEID;
}
memcpy(lpCaps, &WInDev[wDevID].incaps, min(dwSize, sizeof(*lpCaps)));
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widRecorder_ReadHeaders [internal]
*/
static void widRecorder_ReadHeaders(WINE_WAVEDEV * wwi)
{
enum win_wm_message tmp_msg;
DWORD tmp_param;
HANDLE tmp_ev;
WAVEHDR* lpWaveHdr;
while (ALSA_RetrieveRingMessage(&wwi->msgRing, &tmp_msg, &tmp_param, &tmp_ev)) {
if (tmp_msg == WINE_WM_HEADER) {
LPWAVEHDR* wh;
lpWaveHdr = (LPWAVEHDR)tmp_param;
lpWaveHdr->lpNext = 0;
if (wwi->lpQueuePtr == 0)
wwi->lpQueuePtr = lpWaveHdr;
else {
for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
*wh = lpWaveHdr;
}
} else {
ERR("should only have headers left\n");
}
}
}
/**************************************************************************
* widRecorder [internal]
*/
static DWORD CALLBACK widRecorder(LPVOID pmt)
{
WORD uDevID = (DWORD)pmt;
WINE_WAVEDEV* wwi = (WINE_WAVEDEV*)&WInDev[uDevID];
WAVEHDR* lpWaveHdr;
DWORD dwSleepTime;
DWORD bytesRead;
LPVOID buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wwi->dwPeriodSize);
char *pOffset = buffer;
enum win_wm_message msg;
DWORD param;
HANDLE ev;
DWORD frames_per_period;
wwi->state = WINE_WS_STOPPED;
wwi->dwTotalRecorded = 0;
wwi->lpQueuePtr = NULL;
SetEvent(wwi->hStartUpEvent);
/* make sleep time to be # of ms to output a period */
dwSleepTime = (1024/*wwi-dwPeriodSize => overrun!*/ * 1000) / wwi->format.Format.nAvgBytesPerSec;
frames_per_period = snd_pcm_bytes_to_frames(wwi->handle, wwi->dwPeriodSize);
TRACE("sleeptime=%ld ms\n", dwSleepTime);
for (;;) {
/* wait for dwSleepTime or an event in thread's queue */
/* FIXME: could improve wait time depending on queue state,
* ie, number of queued fragments
*/
if (wwi->lpQueuePtr != NULL && wwi->state == WINE_WS_PLAYING)
{
int periods;
DWORD frames;
DWORD bytes;
DWORD read;
lpWaveHdr = wwi->lpQueuePtr;
/* read all the fragments accumulated so far */
frames = snd_pcm_avail_update(wwi->handle);
bytes = snd_pcm_frames_to_bytes(wwi->handle, frames);
TRACE("frames = %ld bytes = %ld\n", frames, bytes);
periods = bytes / wwi->dwPeriodSize;
while ((periods > 0) && (wwi->lpQueuePtr))
{
periods--;
bytes = wwi->dwPeriodSize;
TRACE("bytes = %ld\n",bytes);
if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwPeriodSize)
{
/* directly read fragment in wavehdr */
read = wwi->read(wwi->handle, lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded, frames_per_period);
bytesRead = snd_pcm_frames_to_bytes(wwi->handle, read);
TRACE("bytesRead=%ld (direct)\n", bytesRead);
if (bytesRead != (DWORD) -1)
{
/* update number of bytes recorded in current buffer and by this device */
lpWaveHdr->dwBytesRecorded += bytesRead;
wwi->dwTotalRecorded += bytesRead;
/* buffer is full. notify client */
if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
{
/* must copy the value of next waveHdr, because we have no idea of what
* will be done with the content of lpWaveHdr in callback
*/
LPWAVEHDR lpNext = lpWaveHdr->lpNext;
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wwi->lpQueuePtr = lpNext;
widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
lpWaveHdr = lpNext;
}
} else {
TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->device,
lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
frames_per_period, strerror(errno));
}
}
else
{
/* read the fragment in a local buffer */
read = wwi->read(wwi->handle, buffer, frames_per_period);
bytesRead = snd_pcm_frames_to_bytes(wwi->handle, read);
pOffset = buffer;
TRACE("bytesRead=%ld (local)\n", bytesRead);
if (bytesRead == (DWORD) -1) {
TRACE("read(%s, %p, %ld) failed (%s)\n", wwi->device,
buffer, frames_per_period, strerror(errno));
continue;
}
/* copy data in client buffers */
while (bytesRead != (DWORD) -1 && bytesRead > 0)
{
DWORD dwToCopy = min (bytesRead, lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded);
memcpy(lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
pOffset,
dwToCopy);
/* update number of bytes recorded in current buffer and by this device */
lpWaveHdr->dwBytesRecorded += dwToCopy;
wwi->dwTotalRecorded += dwToCopy;
bytesRead -= dwToCopy;
pOffset += dwToCopy;
/* client buffer is full. notify client */
if (lpWaveHdr->dwBytesRecorded == lpWaveHdr->dwBufferLength)
{
/* must copy the value of next waveHdr, because we have no idea of what
* will be done with the content of lpWaveHdr in callback
*/
LPWAVEHDR lpNext = lpWaveHdr->lpNext;
TRACE("lpNext=%p\n", lpNext);
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wwi->lpQueuePtr = lpNext;
widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
lpWaveHdr = lpNext;
if (!lpNext && bytesRead) {
/* before we give up, check for more header messages */
while (ALSA_PeekRingMessage(&wwi->msgRing, &msg, &param, &ev))
{
if (msg == WINE_WM_HEADER) {
LPWAVEHDR hdr;
ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev);
hdr = ((LPWAVEHDR)param);
TRACE("msg = %s, hdr = %p, ev = %p\n", getCmdString(msg), hdr, ev);
hdr->lpNext = 0;
if (lpWaveHdr == 0) {
/* new head of queue */
wwi->lpQueuePtr = lpWaveHdr = hdr;
} else {
/* insert buffer at the end of queue */
LPWAVEHDR* wh;
for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
*wh = hdr;
}
} else
break;
}
if (lpWaveHdr == 0) {
/* no more buffer to copy data to, but we did read more.
* what hasn't been copied will be dropped
*/
WARN("buffer under run! %lu bytes dropped.\n", bytesRead);
wwi->lpQueuePtr = NULL;
break;
}
}
}
}
}
}
}
WAIT_OMR(&wwi->msgRing, dwSleepTime);
while (ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
{
TRACE("msg=%s param=0x%lx\n", getCmdString(msg), param);
switch (msg) {
case WINE_WM_PAUSING:
wwi->state = WINE_WS_PAUSED;
/*FIXME("Device should stop recording\n");*/
SetEvent(ev);
break;
case WINE_WM_STARTING:
wwi->state = WINE_WS_PLAYING;
snd_pcm_start(wwi->handle);
SetEvent(ev);
break;
case WINE_WM_HEADER:
lpWaveHdr = (LPWAVEHDR)param;
lpWaveHdr->lpNext = 0;
/* insert buffer at the end of queue */
{
LPWAVEHDR* wh;
for (wh = &(wwi->lpQueuePtr); *wh; wh = &((*wh)->lpNext));
*wh = lpWaveHdr;
}
break;
case WINE_WM_STOPPING:
if (wwi->state != WINE_WS_STOPPED)
{
snd_pcm_drain(wwi->handle);
/* read any headers in queue */
widRecorder_ReadHeaders(wwi);
/* return current buffer to app */
lpWaveHdr = wwi->lpQueuePtr;
if (lpWaveHdr)
{
LPWAVEHDR lpNext = lpWaveHdr->lpNext;
TRACE("stop %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wwi->lpQueuePtr = lpNext;
widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
}
}
wwi->state = WINE_WS_STOPPED;
SetEvent(ev);
break;
case WINE_WM_RESETTING:
if (wwi->state != WINE_WS_STOPPED)
{
snd_pcm_drain(wwi->handle);
}
wwi->state = WINE_WS_STOPPED;
wwi->dwTotalRecorded = 0;
/* read any headers in queue */
widRecorder_ReadHeaders(wwi);
/* return all buffers to the app */
for (lpWaveHdr = wwi->lpQueuePtr; lpWaveHdr; lpWaveHdr = lpWaveHdr->lpNext) {
TRACE("reset %p %p\n", lpWaveHdr, lpWaveHdr->lpNext);
lpWaveHdr->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdr->dwFlags |= WHDR_DONE;
wwi->lpQueuePtr = lpWaveHdr->lpNext;
widNotifyClient(wwi, WIM_DATA, (DWORD)lpWaveHdr, 0);
}
wwi->lpQueuePtr = NULL;
SetEvent(ev);
break;
case WINE_WM_CLOSING:
wwi->hThread = 0;
wwi->state = WINE_WS_CLOSED;
SetEvent(ev);
HeapFree(GetProcessHeap(), 0, buffer);
ExitThread(0);
/* shouldn't go here */
case WINE_WM_UPDATE:
SetEvent(ev);
break;
default:
FIXME("unknown message %d\n", msg);
break;
}
}
}
ExitThread(0);
/* just for not generating compilation warnings... should never be executed */
return 0;
}
/**************************************************************************
* widOpen [internal]
*/
static DWORD widOpen(WORD wDevID, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
WINE_WAVEDEV* wwi;
snd_pcm_hw_params_t * hw_params;
snd_pcm_sw_params_t * sw_params;
snd_pcm_access_t access;
snd_pcm_format_t format;
unsigned int rate;
unsigned int buffer_time = 500000;
unsigned int period_time = 10000;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
int flags;
snd_pcm_t * pcm;
int err;
int dir;
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 (!supportedFormat(lpDesc->lpFormat)) {
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;
}
wwi = &WInDev[wDevID];
if (wwi->handle != NULL) {
WARN("already allocated\n");
return MMSYSERR_ALLOCATED;
}
if ((dwFlags & WAVE_DIRECTSOUND) && !(wwi->dwSupport & WAVECAPS_DIRECTSOUND))
/* not supported, ignore it */
dwFlags &= ~WAVE_DIRECTSOUND;
wwi->handle = 0;
flags = SND_PCM_NONBLOCK;
#if 0
if ( dwFlags & WAVE_DIRECTSOUND )
flags |= SND_PCM_ASYNC;
#endif
if ( (err=snd_pcm_open(&pcm, wwi->device, SND_PCM_STREAM_CAPTURE, flags)) < 0 )
{
ERR("Error open: %s\n", snd_strerror(err));
return MMSYSERR_NOTENABLED;
}
wwi->wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
memcpy(&wwi->waveDesc, lpDesc, sizeof(WAVEOPENDESC));
copy_format(lpDesc->lpFormat, &wwi->format);
if (wwi->format.Format.wBitsPerSample == 0) {
WARN("Resetting zeroed wBitsPerSample\n");
wwi->format.Format.wBitsPerSample = 8 *
(wwi->format.Format.nAvgBytesPerSec /
wwi->format.Format.nSamplesPerSec) /
wwi->format.Format.nChannels;
}
snd_pcm_hw_params_any(pcm, hw_params);
#define EXIT_ON_ERROR(f,e,txt) do \
{ \
int err; \
if ( (err = (f) ) < 0) \
{ \
WARN(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");
wwi->read = snd_pcm_readi;
}
else
wwi->read = snd_pcm_mmap_readi;
EXIT_ON_ERROR( snd_pcm_hw_params_set_channels(pcm, hw_params, wwi->format.Format.nChannels), WAVERR_BADFORMAT, "unable to set required channels");
if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_PCM) ||
((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))) {
format = (wwi->format.Format.wBitsPerSample == 8) ? SND_PCM_FORMAT_U8 :
(wwi->format.Format.wBitsPerSample == 16) ? SND_PCM_FORMAT_S16_LE :
(wwi->format.Format.wBitsPerSample == 24) ? SND_PCM_FORMAT_S24_LE :
(wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_S32_LE : -1;
} else if ((wwi->format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE) &&
IsEqualGUID(&wwi->format.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)){
format = (wwi->format.Format.wBitsPerSample == 32) ? SND_PCM_FORMAT_FLOAT_LE : -1;
} else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_MULAW) {
FIXME("unimplemented format: WAVE_FORMAT_MULAW\n");
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
} else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ALAW) {
FIXME("unimplemented format: WAVE_FORMAT_ALAW\n");
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
} else if (wwi->format.Format.wFormatTag == WAVE_FORMAT_ADPCM) {
FIXME("unimplemented format: WAVE_FORMAT_ADPCM\n");
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
} else {
ERR("invalid format: %0x04x\n", wwi->format.Format.wFormatTag);
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
EXIT_ON_ERROR( snd_pcm_hw_params_set_format(pcm, hw_params, format), WAVERR_BADFORMAT, "unable to set required format");
rate = wwi->format.Format.nSamplesPerSec;
dir = 0;
err = snd_pcm_hw_params_set_rate_near(pcm, hw_params, &rate, &dir);
if (err < 0) {
WARN("Rate %ld Hz not available for playback: %s\n", wwi->format.Format.nSamplesPerSec, snd_strerror(rate));
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
if (!NearMatch(rate, wwi->format.Format.nSamplesPerSec)) {
WARN("Rate doesn't match (requested %ld Hz, got %d Hz)\n", wwi->format.Format.nSamplesPerSec, rate);
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
dir=0;
EXIT_ON_ERROR( snd_pcm_hw_params_set_buffer_time_near(pcm, hw_params, &buffer_time, &dir), MMSYSERR_INVALPARAM, "unable to set buffer time");
dir=0;
EXIT_ON_ERROR( snd_pcm_hw_params_set_period_time_near(pcm, hw_params, &period_time, &dir), 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");
dir=0;
err = snd_pcm_hw_params_get_period_size(hw_params, &period_size, &dir);
err = snd_pcm_hw_params_get_buffer_size(hw_params, &buffer_size);
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, 0), 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 ( wwi->hw_params )
snd_pcm_hw_params_free(wwi->hw_params);
snd_pcm_hw_params_malloc(&(wwi->hw_params));
snd_pcm_hw_params_copy(wwi->hw_params, hw_params);
wwi->dwBufferSize = snd_pcm_frames_to_bytes(pcm, buffer_size);
wwi->lpQueuePtr = wwi->lpPlayPtr = wwi->lpLoopPtr = NULL;
wwi->handle = pcm;
ALSA_InitRingMessage(&wwi->msgRing);
wwi->count = snd_pcm_poll_descriptors_count (wwi->handle);
if (wwi->count <= 0) {
ERR("Invalid poll descriptors count\n");
return MMSYSERR_ERROR;
}
wwi->ufds = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(struct pollfd) * wwi->count);
if (wwi->ufds == NULL) {
ERR("No enough memory\n");
return MMSYSERR_NOMEM;
}
if ((err = snd_pcm_poll_descriptors(wwi->handle, wwi->ufds, wwi->count)) < 0) {
ERR("Unable to obtain poll descriptors for playback: %s\n", snd_strerror(err));
return MMSYSERR_ERROR;
}
wwi->dwPeriodSize = period_size;
/*if (wwi->dwFragmentSize % wwi->format.Format.nBlockAlign)
ERR("Fragment doesn't contain an integral number of data blocks\n");
*/
TRACE("dwPeriodSize=%lu\n", wwi->dwPeriodSize);
TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%lu, nSamplesPerSec=%lu, nChannels=%u nBlockAlign=%u!\n",
wwi->format.Format.wBitsPerSample, wwi->format.Format.nAvgBytesPerSec,
wwi->format.Format.nSamplesPerSec, wwi->format.Format.nChannels,
wwi->format.Format.nBlockAlign);
if (!(dwFlags & WAVE_DIRECTSOUND)) {
wwi->hStartUpEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
wwi->hThread = CreateThread(NULL, 0, widRecorder, (LPVOID)(DWORD)wDevID, 0, &(wwi->dwThreadID));
if (wwi->hThread)
SetThreadPriority(wwi->hThread, THREAD_PRIORITY_TIME_CRITICAL);
WaitForSingleObject(wwi->hStartUpEvent, INFINITE);
CloseHandle(wwi->hStartUpEvent);
} else {
wwi->hThread = INVALID_HANDLE_VALUE;
wwi->dwThreadID = 0;
}
wwi->hStartUpEvent = INVALID_HANDLE_VALUE;
return widNotifyClient(wwi, WIM_OPEN, 0L, 0L);
}
/**************************************************************************
* widClose [internal]
*/
static DWORD widClose(WORD wDevID)
{
DWORD ret = MMSYSERR_NOERROR;
WINE_WAVEDEV* wwi;
TRACE("(%u);\n", wDevID);
if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
WARN("bad device ID !\n");
return MMSYSERR_BADDEVICEID;
}
wwi = &WInDev[wDevID];
if (wwi->lpQueuePtr) {
WARN("buffers still playing !\n");
ret = WAVERR_STILLPLAYING;
} else {
if (wwi->hThread != INVALID_HANDLE_VALUE) {
ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_CLOSING, 0, TRUE);
}
ALSA_DestroyRingMessage(&wwi->msgRing);
snd_pcm_hw_params_free(wwi->hw_params);
wwi->hw_params = NULL;
snd_pcm_close(wwi->handle);
wwi->handle = NULL;
ret = widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
}
HeapFree(GetProcessHeap(), 0, wwi->ufds);
return ret;
}
/**************************************************************************
* widAddBuffer [internal]
*
*/
static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
/* first, do the sanity checks... */
if (wDevID >= MAX_WAVEINDRV || WInDev[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(&WInDev[wDevID].msgRing, WINE_WM_HEADER, (DWORD)lpWaveHdr, FALSE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widStart [internal]
*
*/
static DWORD widStart(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
/* first, do the sanity checks... */
if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
WARN("bad dev ID !\n");
return MMSYSERR_BADDEVICEID;
}
ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STARTING, 0, TRUE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widStop [internal]
*
*/
static DWORD widStop(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE("(%u, %p, %08lX);\n", wDevID, lpWaveHdr, dwSize);
/* first, do the sanity checks... */
if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].handle == NULL) {
WARN("bad dev ID !\n");
return MMSYSERR_BADDEVICEID;
}
ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_STOPPING, 0, TRUE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widReset [internal]
*/
static DWORD widReset(WORD wDevID)
{
TRACE("(%u);\n", wDevID);
if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].state == WINE_WS_CLOSED) {
WARN("can't reset !\n");
return MMSYSERR_INVALHANDLE;
}
ALSA_AddRingMessage(&WInDev[wDevID].msgRing, WINE_WM_RESETTING, 0, TRUE);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widGetPosition [internal]
*/
static DWORD widGetPosition(WORD wDevID, LPMMTIME lpTime, DWORD uSize)
{
WINE_WAVEDEV* wwi;
TRACE("(%u, %p, %lu);\n", wDevID, lpTime, uSize);
if (wDevID >= MAX_WAVEINDRV || WInDev[wDevID].state == WINE_WS_CLOSED) {
WARN("can't get pos !\n");
return MMSYSERR_INVALHANDLE;
}
if (lpTime == NULL) {
WARN("invalid parameter: lpTime = NULL\n");
return MMSYSERR_INVALPARAM;
}
wwi = &WInDev[wDevID];
ALSA_AddRingMessage(&wwi->msgRing, WINE_WM_UPDATE, 0, TRUE);
return bytes_to_mmtime(lpTime, wwi->dwTotalRecorded, &wwi->format);
}
/**************************************************************************
* widGetNumDevs [internal]
*/
static DWORD widGetNumDevs(void)
{
return ALSA_WidNumDevs;
}
/**************************************************************************
* widDevInterfaceSize [internal]
*/
static DWORD widDevInterfaceSize(UINT wDevID, LPDWORD dwParam1)
{
TRACE("(%u, %p)\n", wDevID, dwParam1);
*dwParam1 = MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
NULL, 0 ) * sizeof(WCHAR);
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widDevInterface [internal]
*/
static DWORD widDevInterface(UINT wDevID, PWCHAR dwParam1, DWORD dwParam2)
{
if (dwParam2 >= MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
NULL, 0 ) * sizeof(WCHAR))
{
MultiByteToWideChar(CP_ACP, 0, WInDev[wDevID].interface_name, -1,
dwParam1, dwParam2 / sizeof(WCHAR));
return MMSYSERR_NOERROR;
}
return MMSYSERR_INVALPARAM;
}
/**************************************************************************
* widDsCreate [internal]
*/
static DWORD widDsCreate(UINT wDevID, PIDSCDRIVER* drv)
{
TRACE("(%d,%p)\n",wDevID,drv);
/* the HAL isn't much better than the HEL if we can't do mmap() */
FIXME("DirectSoundCapture not implemented\n");
MESSAGE("The (slower) DirectSound HEL mode will be used instead.\n");
return MMSYSERR_NOTSUPPORTED;
}
/**************************************************************************
* widDsDesc [internal]
*/
static DWORD widDsDesc(UINT wDevID, PDSDRIVERDESC desc)
{
memcpy(desc, &(WInDev[wDevID].ds_desc), sizeof(DSDRIVERDESC));
return MMSYSERR_NOERROR;
}
/**************************************************************************
* widMessage (WINEALSA.@)
*/
DWORD WINAPI ALSA_widMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
TRACE("(%u, %s, %08lX, %08lX, %08lX);\n",
wDevID, getMessage(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 WIDM_OPEN: return widOpen (wDevID, (LPWAVEOPENDESC)dwParam1, dwParam2);
case WIDM_CLOSE: return widClose (wDevID);
case WIDM_ADDBUFFER: return widAddBuffer (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WIDM_PREPARE: return MMSYSERR_NOTSUPPORTED;
case WIDM_UNPREPARE: return MMSYSERR_NOTSUPPORTED;
case WIDM_GETDEVCAPS: return widGetDevCaps (wDevID, (LPWAVEOUTCAPSW)dwParam1, dwParam2);
case WIDM_GETNUMDEVS: return widGetNumDevs ();
case WIDM_GETPOS: return widGetPosition (wDevID, (LPMMTIME)dwParam1, dwParam2);
case WIDM_RESET: return widReset (wDevID);
case WIDM_START: return widStart (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case WIDM_STOP: return widStop (wDevID, (LPWAVEHDR)dwParam1, dwParam2);
case DRV_QUERYDEVICEINTERFACESIZE: return widDevInterfaceSize (wDevID, (LPDWORD)dwParam1);
case DRV_QUERYDEVICEINTERFACE: return widDevInterface (wDevID, (PWCHAR)dwParam1, dwParam2);
case DRV_QUERYDSOUNDIFACE: return widDsCreate (wDevID, (PIDSCDRIVER*)dwParam1);
case DRV_QUERYDSOUNDDESC: return widDsDesc (wDevID, (PDSDRIVERDESC)dwParam1);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
#else
/**************************************************************************
* widMessage (WINEALSA.@)
*/
DWORD WINAPI ALSA_widMessage(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;
}
/**************************************************************************
* 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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