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Sweden-Number/dlls/winealsa.drv/wavein.c

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/*
* 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
* 2006-2007 Maarten Lankhorst
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/*======================================================================*
* Low level WAVE IN implementation *
*======================================================================*/
#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 "mmddk.h"
#include "alsa.h"
#include "wine/library.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wave);
#ifdef HAVE_ALSA
WINE_WAVEDEV *WInDev;
DWORD ALSA_WidNumMallocedDevs;
DWORD ALSA_WidNumDevs;
/**************************************************************************
* widNotifyClient [internal]
*/
static DWORD widNotifyClient(WINE_WAVEDEV* wwi, WORD wMsg, DWORD dwParam1, DWORD dwParam2)
{
TRACE("wMsg = 0x%04x dwParm1 = %04X dwParam2 = %04X\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, %u);\n", wDevID, lpCaps, dwSize);
if (lpCaps == NULL) return MMSYSERR_NOTENABLED;
if (wDevID >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
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->pcm, wwi->dwPeriodSize);
TRACE("sleeptime=%d 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->pcm);
bytes = snd_pcm_frames_to_bytes(wwi->pcm, frames);
TRACE("frames = %d bytes = %d\n", frames, bytes);
periods = bytes / wwi->dwPeriodSize;
while ((periods > 0) && (wwi->lpQueuePtr))
{
periods--;
bytes = wwi->dwPeriodSize;
TRACE("bytes = %d\n",bytes);
if (lpWaveHdr->dwBufferLength - lpWaveHdr->dwBytesRecorded >= wwi->dwPeriodSize)
{
/* directly read fragment in wavehdr */
read = wwi->read(wwi->pcm, lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded, frames_per_period);
bytesRead = snd_pcm_frames_to_bytes(wwi->pcm, read);
TRACE("bytesRead=%d (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, %d) failed (%s)\n", wwi->pcmname,
lpWaveHdr->lpData + lpWaveHdr->dwBytesRecorded,
frames_per_period, strerror(errno));
}
}
else
{
/* read the fragment in a local buffer */
read = wwi->read(wwi->pcm, buffer, frames_per_period);
bytesRead = snd_pcm_frames_to_bytes(wwi->pcm, read);
pOffset = buffer;
TRACE("bytesRead=%d (local)\n", bytesRead);
if (bytesRead == (DWORD) -1) {
TRACE("read(%s, %p, %d) failed (%s)\n", wwi->pcmname,
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", ALSA_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! %u bytes dropped.\n", bytesRead);
wwi->lpQueuePtr = NULL;
break;
}
}
}
}
}
}
}
ALSA_WaitRingMessage(&wwi->msgRing, dwSleepTime);
while (ALSA_RetrieveRingMessage(&wwi->msgRing, &msg, &param, &ev))
{
TRACE("msg=%s param=0x%x\n", ALSA_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->pcm);
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->pcm);
/* 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->pcm);
}
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);
/* JPW TODO - review this code */
TRACE("(%u, %p, %08X);\n", wDevID, lpDesc, dwFlags);
if (lpDesc == NULL) {
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (wDevID >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
return MMSYSERR_BADDEVICEID;
}
/* only PCM format is supported so far... */
if (!ALSA_supportedFormat(lpDesc->lpFormat)) {
WARN("Bad format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return WAVERR_BADFORMAT;
}
if (dwFlags & WAVE_FORMAT_QUERY) {
TRACE("Query format: tag=%04X nChannels=%d nSamplesPerSec=%d !\n",
lpDesc->lpFormat->wFormatTag, lpDesc->lpFormat->nChannels,
lpDesc->lpFormat->nSamplesPerSec);
return MMSYSERR_NOERROR;
}
wwi = &WInDev[wDevID];
if (wwi->pcm != NULL) {
WARN("already allocated\n");
return MMSYSERR_ALLOCATED;
}
if ((dwFlags & WAVE_DIRECTSOUND) && !(wwi->dwSupport & WAVECAPS_DIRECTSOUND))
/* not supported, ignore it */
dwFlags &= ~WAVE_DIRECTSOUND;
wwi->pcm = 0;
flags = SND_PCM_NONBLOCK;
#if 0
if ( dwFlags & WAVE_DIRECTSOUND )
flags |= SND_PCM_ASYNC;
#endif
if ( (err=snd_pcm_open(&pcm, wwi->pcmname, 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));
ALSA_copyFormat(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 %d Hz not available for playback: %s\n", wwi->format.Format.nSamplesPerSec, snd_strerror(rate));
snd_pcm_close(pcm);
return WAVERR_BADFORMAT;
}
if (!ALSA_NearMatch(rate, wwi->format.Format.nSamplesPerSec)) {
WARN("Rate doesn't match (requested %d 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->pcm = pcm;
ALSA_InitRingMessage(&wwi->msgRing);
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=%u\n", wwi->dwPeriodSize);
TRACE("wBitsPerSample=%u, nAvgBytesPerSec=%u, nSamplesPerSec=%u, 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 >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
return MMSYSERR_BADDEVICEID;
}
if (WInDev[wDevID].pcm == NULL) {
WARN("Requested to close already closed device %d!\n", wDevID);
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->pcm);
wwi->pcm = NULL;
ret = widNotifyClient(wwi, WIM_CLOSE, 0L, 0L);
}
return ret;
}
/**************************************************************************
* widAddBuffer [internal]
*
*/
static DWORD widAddBuffer(WORD wDevID, LPWAVEHDR lpWaveHdr, DWORD dwSize)
{
TRACE("(%u, %p, %08X);\n", wDevID, lpWaveHdr, dwSize);
/* first, do the sanity checks... */
if (wDevID >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
return MMSYSERR_BADDEVICEID;
}
if (WInDev[wDevID].pcm == NULL) {
WARN("Requested to add buffer to already closed device %d!\n", wDevID);
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, %08X);\n", wDevID, lpWaveHdr, dwSize);
/* first, do the sanity checks... */
if (wDevID >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
return MMSYSERR_BADDEVICEID;
}
if (WInDev[wDevID].pcm == NULL) {
WARN("Requested to start closed device %d!\n", wDevID);
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, %08X);\n", wDevID, lpWaveHdr, dwSize);
/* first, do the sanity checks... */
if (wDevID >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
return MMSYSERR_BADDEVICEID;
}
if (WInDev[wDevID].pcm == NULL) {
WARN("Requested to stop closed device %d!\n", wDevID);
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 >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
return MMSYSERR_BADDEVICEID;
}
if (WInDev[wDevID].pcm == NULL) {
WARN("Requested to reset closed device %d!\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
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, %u);\n", wDevID, lpTime, uSize);
if (wDevID >= ALSA_WidNumDevs) {
TRACE("Requested device %d, but only %d are known!\n", wDevID, ALSA_WidNumDevs);
return MMSYSERR_BADDEVICEID;
}
if (WInDev[wDevID].state == WINE_WS_CLOSED) {
WARN("Requested position of closed device %d!\n", wDevID);
return MMSYSERR_BADDEVICEID;
}
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 ALSA_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");
FIXME("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, %08X, %08X, %08X);\n",
wDevID, ALSA_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 /* HAVE_ALSA */
/**************************************************************************
* widMessage (WINEALSA.@)
*/
DWORD WINAPI ALSA_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
FIXME("(%u, %04X, %08X, %08X, %08X):stub\n", wDevID, wMsg, dwUser, dwParam1, dwParam2);
return MMSYSERR_NOTENABLED;
}
#endif /* HAVE_ALSA */
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