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Sweden-Number/dlls/winmm/playsound.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* MMSYTEM functions
*
* Copyright 1993 Martin Ayotte
* 1998-2002 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "mmsystem.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#include "winemm.h"
#include "winternl.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winmm);
static HMMIO get_mmioFromFile(LPCWSTR lpszName)
{
HMMIO ret;
WCHAR buf[256];
LPWSTR dummy;
ret = mmioOpenW((LPWSTR)lpszName, NULL,
MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
if (ret != 0) return ret;
if (SearchPathW(NULL, lpszName, NULL, sizeof(buf)/sizeof(buf[0]), buf, &dummy))
{
return mmioOpenW(buf, NULL,
MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
}
return 0;
}
static HMMIO get_mmioFromProfile(UINT uFlags, LPCWSTR lpszName)
{
WCHAR str[128];
LPWSTR ptr;
HMMIO hmmio;
HKEY hRegSnd, hRegApp, hScheme, hSnd;
DWORD err, type, count;
static const WCHAR wszSounds[] = {'S','o','u','n','d','s',0};
static const WCHAR wszDefault[] = {'D','e','f','a','u','l','t',0};
static const WCHAR wszKey[] = {'A','p','p','E','v','e','n','t','s','\\',
'S','c','h','e','m','e','s','\\',
'A','p','p','s',0};
static const WCHAR wszDotDefault[] = {'.','D','e','f','a','u','l','t',0};
static const WCHAR wszDotCurrent[] = {'.','C','u','r','r','e','n','t',0};
static const WCHAR wszNull[] = {0};
TRACE("searching in SystemSound list for %s\n", debugstr_w(lpszName));
GetProfileStringW(wszSounds, lpszName, wszNull, str, sizeof(str)/sizeof(str[0]));
if (lstrlenW(str) == 0)
{
if (uFlags & SND_NODEFAULT) goto next;
GetProfileStringW(wszSounds, wszDefault, wszNull, str, sizeof(str)/sizeof(str[0]));
if (lstrlenW(str) == 0) goto next;
}
for (ptr = str; *ptr && *ptr != ','; ptr++);
if (*ptr) *ptr = 0;
hmmio = mmioOpenW(str, NULL, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
if (hmmio != 0) return hmmio;
next:
/* we look up the registry under
* HKCU\AppEvents\Schemes\Apps\.Default
* HKCU\AppEvents\Schemes\Apps\<AppName>
*/
if (RegOpenKeyW(HKEY_CURRENT_USER, wszKey, &hRegSnd) != 0) goto none;
if (uFlags & SND_APPLICATION)
{
DWORD len;
err = 1; /* error */
len = GetModuleFileNameW(0, str, sizeof(str)/sizeof(str[0]));
if (len > 0 && len < sizeof(str)/sizeof(str[0]))
{
for (ptr = str + lstrlenW(str) - 1; ptr >= str; ptr--)
{
if (*ptr == '.') *ptr = 0;
if (*ptr == '\\')
{
err = RegOpenKeyW(hRegSnd, ptr+1, &hRegApp);
break;
}
}
}
}
else
{
err = RegOpenKeyW(hRegSnd, wszDotDefault, &hRegApp);
}
RegCloseKey(hRegSnd);
if (err != 0) goto none;
err = RegOpenKeyW(hRegApp, lpszName, &hScheme);
RegCloseKey(hRegApp);
if (err != 0) goto none;
/* what's the difference between .Current and .Default ? */
err = RegOpenKeyW(hScheme, wszDotDefault, &hSnd);
if (err != 0)
{
err = RegOpenKeyW(hScheme, wszDotCurrent, &hSnd);
RegCloseKey(hScheme);
if (err != 0)
goto none;
}
count = sizeof(str)/sizeof(str[0]);
err = RegQueryValueExW(hSnd, NULL, 0, &type, (LPBYTE)str, &count);
RegCloseKey(hSnd);
if (err != 0 || !*str) goto none;
hmmio = mmioOpenW(str, NULL, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
if (hmmio) return hmmio;
none:
WARN("can't find SystemSound='%s' !\n", debugstr_w(lpszName));
return 0;
}
struct playsound_data
{
HANDLE hEvent;
DWORD dwEventCount;
};
static void CALLBACK PlaySound_Callback(HWAVEOUT hwo, UINT uMsg,
DWORD dwInstance,
DWORD dwParam1, DWORD dwParam2)
{
struct playsound_data* s = (struct playsound_data*)dwInstance;
switch (uMsg) {
case WOM_OPEN:
case WOM_CLOSE:
break;
case WOM_DONE:
InterlockedIncrement(&s->dwEventCount);
TRACE("Returning waveHdr=%lx\n", dwParam1);
SetEvent(s->hEvent);
break;
default:
ERR("Unknown uMsg=%d\n", uMsg);
}
}
static void PlaySound_WaitDone(struct playsound_data* s)
{
for (;;) {
ResetEvent(s->hEvent);
if (InterlockedDecrement(&s->dwEventCount) >= 0) break;
InterlockedIncrement(&s->dwEventCount);
WaitForSingleObject(s->hEvent, INFINITE);
}
}
static BOOL PlaySound_IsString(DWORD fdwSound, const void* psz)
{
/* SND_RESOURCE is 0x40004 while
* SND_MEMORY is 0x00004
*/
switch (fdwSound & (SND_RESOURCE|SND_ALIAS|SND_FILENAME))
{
case SND_RESOURCE: return HIWORD(psz) != 0; /* by name or by ID ? */
case SND_MEMORY: return FALSE;
case SND_ALIAS: /* what about ALIAS_ID ??? */
case SND_FILENAME:
case 0: return TRUE;
default: FIXME("WTF\n"); return FALSE;
}
}
static void PlaySound_Free(WINE_PLAYSOUND* wps)
{
WINE_PLAYSOUND** p;
EnterCriticalSection(&WINMM_IData->cs);
for (p = &WINMM_IData->lpPlaySound; *p && *p != wps; p = &((*p)->lpNext));
if (*p) *p = (*p)->lpNext;
if (WINMM_IData->lpPlaySound == NULL) SetEvent(WINMM_IData->psLastEvent);
LeaveCriticalSection(&WINMM_IData->cs);
if (wps->bAlloc) HeapFree(GetProcessHeap(), 0, (void*)wps->pszSound);
if (wps->hThread) CloseHandle(wps->hThread);
HeapFree(GetProcessHeap(), 0, wps);
}
static WINE_PLAYSOUND* PlaySound_Alloc(const void* pszSound, HMODULE hmod,
DWORD fdwSound, BOOL bUnicode)
{
WINE_PLAYSOUND* wps;
wps = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wps));
if (!wps) return NULL;
wps->hMod = hmod;
wps->fdwSound = fdwSound;
if (PlaySound_IsString(fdwSound, pszSound))
{
if (bUnicode)
{
if (fdwSound & SND_ASYNC)
{
wps->pszSound = HeapAlloc(GetProcessHeap(), 0,
(lstrlenW(pszSound)+1) * sizeof(WCHAR));
if (!wps->pszSound) goto oom_error;
lstrcpyW((LPWSTR)wps->pszSound, pszSound);
wps->bAlloc = TRUE;
}
else
wps->pszSound = pszSound;
}
else
{
UNICODE_STRING usBuffer;
RtlCreateUnicodeStringFromAsciiz(&usBuffer, pszSound);
wps->pszSound = usBuffer.Buffer;
if (!wps->pszSound) goto oom_error;
wps->bAlloc = TRUE;
}
}
else
wps->pszSound = pszSound;
return wps;
oom_error:
PlaySound_Free(wps);
return NULL;
}
static DWORD WINAPI proc_PlaySound(LPVOID arg)
{
WINE_PLAYSOUND* wps = (WINE_PLAYSOUND*)arg;
BOOL bRet = FALSE;
HMMIO hmmio = 0;
MMCKINFO ckMainRIFF;
MMCKINFO mmckInfo;
LPWAVEFORMATEX lpWaveFormat = NULL;
HWAVEOUT hWave = 0;
LPWAVEHDR waveHdr = NULL;
INT count, bufsize, left, index;
struct playsound_data s;
void* data;
s.hEvent = 0;
TRACE("SoundName='%s' !\n", debugstr_w(wps->pszSound));
/* if resource, grab it */
if ((wps->fdwSound & SND_RESOURCE) == SND_RESOURCE) {
static const WCHAR wszWave[] = {'W','A','V','E',0};
HRSRC hRes;
HGLOBAL hGlob;
if ((hRes = FindResourceW(wps->hMod, wps->pszSound, wszWave)) == 0 ||
(hGlob = LoadResource(wps->hMod, hRes)) == 0)
goto errCleanUp;
if ((data = LockResource(hGlob)) == NULL) {
FreeResource(hGlob);
goto errCleanUp;
}
FreeResource(hGlob);
} else
data = (void*)wps->pszSound;
/* construct an MMIO stream (either in memory, or from a file */
if (wps->fdwSound & SND_MEMORY)
{ /* NOTE: SND_RESOURCE has the SND_MEMORY bit set */
MMIOINFO mminfo;
memset(&mminfo, 0, sizeof(mminfo));
mminfo.fccIOProc = FOURCC_MEM;
mminfo.pchBuffer = (LPSTR)data;
mminfo.cchBuffer = -1; /* FIXME: when a resource, could grab real size */
TRACE("Memory sound %p\n", data);
hmmio = mmioOpenW(NULL, &mminfo, MMIO_READ);
}
else if (wps->fdwSound & SND_ALIAS)
{
hmmio = get_mmioFromProfile(wps->fdwSound, wps->pszSound);
}
else if (wps->fdwSound & SND_FILENAME)
{
hmmio = get_mmioFromFile(wps->pszSound);
}
else
{
if ((hmmio = get_mmioFromProfile(wps->fdwSound | SND_NODEFAULT, wps->pszSound)) == 0)
{
if ((hmmio = get_mmioFromFile(wps->pszSound)) == 0)
{
hmmio = get_mmioFromProfile(wps->fdwSound, wps->pszSound);
}
}
}
if (hmmio == 0) goto errCleanUp;
if (mmioDescend(hmmio, &ckMainRIFF, NULL, 0))
goto errCleanUp;
TRACE("ParentChunk ckid=%.4s fccType=%.4s cksize=%08lX \n",
(LPSTR)&ckMainRIFF.ckid, (LPSTR)&ckMainRIFF.fccType, ckMainRIFF.cksize);
if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
(ckMainRIFF.fccType != mmioFOURCC('W', 'A', 'V', 'E')))
goto errCleanUp;
mmckInfo.ckid = mmioFOURCC('f', 'm', 't', ' ');
if (mmioDescend(hmmio, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK))
goto errCleanUp;
TRACE("Chunk Found ckid=%.4s fccType=%.4s cksize=%08lX \n",
(LPSTR)&mmckInfo.ckid, (LPSTR)&mmckInfo.fccType, mmckInfo.cksize);
lpWaveFormat = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
if (mmioRead(hmmio, (HPSTR)lpWaveFormat, mmckInfo.cksize) < sizeof(WAVEFORMAT))
goto errCleanUp;
TRACE("wFormatTag=%04X !\n", lpWaveFormat->wFormatTag);
TRACE("nChannels=%d \n", lpWaveFormat->nChannels);
TRACE("nSamplesPerSec=%ld\n", lpWaveFormat->nSamplesPerSec);
TRACE("nAvgBytesPerSec=%ld\n", lpWaveFormat->nAvgBytesPerSec);
TRACE("nBlockAlign=%d \n", lpWaveFormat->nBlockAlign);
TRACE("wBitsPerSample=%u !\n", lpWaveFormat->wBitsPerSample);
/* move to end of 'fmt ' chunk */
mmioAscend(hmmio, &mmckInfo, 0);
mmckInfo.ckid = mmioFOURCC('d', 'a', 't', 'a');
if (mmioDescend(hmmio, &mmckInfo, &ckMainRIFF, MMIO_FINDCHUNK))
goto errCleanUp;
TRACE("Chunk Found ckid=%.4s fccType=%.4s cksize=%08lX\n",
(LPSTR)&mmckInfo.ckid, (LPSTR)&mmckInfo.fccType, mmckInfo.cksize);
s.hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
if (waveOutOpen(&hWave, WAVE_MAPPER, lpWaveFormat, (DWORD)PlaySound_Callback,
(DWORD)&s, CALLBACK_FUNCTION) != MMSYSERR_NOERROR)
goto errCleanUp;
/* make it so that 3 buffers per second are needed */
bufsize = (((lpWaveFormat->nAvgBytesPerSec / 3) - 1) / lpWaveFormat->nBlockAlign + 1) *
lpWaveFormat->nBlockAlign;
waveHdr = HeapAlloc(GetProcessHeap(), 0, 2 * sizeof(WAVEHDR) + 2 * bufsize);
waveHdr[0].lpData = (char*)waveHdr + 2 * sizeof(WAVEHDR);
waveHdr[1].lpData = (char*)waveHdr + 2 * sizeof(WAVEHDR) + bufsize;
waveHdr[0].dwUser = waveHdr[1].dwUser = 0L;
waveHdr[0].dwLoops = waveHdr[1].dwLoops = 0L;
waveHdr[0].dwFlags = waveHdr[1].dwFlags = 0L;
waveHdr[0].dwBufferLength = waveHdr[1].dwBufferLength = bufsize;
if (waveOutPrepareHeader(hWave, &waveHdr[0], sizeof(WAVEHDR)) ||
waveOutPrepareHeader(hWave, &waveHdr[1], sizeof(WAVEHDR))) {
goto errCleanUp;
}
s.dwEventCount = 1L; /* for first buffer */
index = 0;
do {
left = mmckInfo.cksize;
mmioSeek(hmmio, mmckInfo.dwDataOffset, SEEK_SET);
while (left)
{
if (WaitForSingleObject(WINMM_IData->psStopEvent, 0) == WAIT_OBJECT_0)
{
wps->bLoop = FALSE;
break;
}
count = mmioRead(hmmio, waveHdr[index].lpData, min(bufsize, left));
if (count < 1) break;
left -= count;
waveHdr[index].dwBufferLength = count;
waveHdr[index].dwFlags &= ~WHDR_DONE;
if (waveOutWrite(hWave, &waveHdr[index], sizeof(WAVEHDR)) == MMSYSERR_NOERROR) {
index ^= 1;
PlaySound_WaitDone(&s);
}
else FIXME("Couldn't play header\n");
}
bRet = TRUE;
} while (wps->bLoop);
PlaySound_WaitDone(&s); /* for last buffer */
waveOutReset(hWave);
waveOutUnprepareHeader(hWave, &waveHdr[0], sizeof(WAVEHDR));
waveOutUnprepareHeader(hWave, &waveHdr[1], sizeof(WAVEHDR));
errCleanUp:
TRACE("Done playing='%s' => %s!\n", debugstr_w(wps->pszSound), bRet ? "ok" : "ko");
CloseHandle(s.hEvent);
if (waveHdr) HeapFree(GetProcessHeap(), 0, waveHdr);
if (lpWaveFormat) HeapFree(GetProcessHeap(), 0, lpWaveFormat);
if (hWave) while (waveOutClose(hWave) == WAVERR_STILLPLAYING) Sleep(100);
if (hmmio) mmioClose(hmmio, 0);
PlaySound_Free(wps);
return bRet;
}
static BOOL MULTIMEDIA_PlaySound(const void* pszSound, HMODULE hmod, DWORD fdwSound, BOOL bUnicode)
{
WINE_PLAYSOUND* wps = NULL;
TRACE("pszSound='%p' hmod=%p fdwSound=%08lX\n",
pszSound, hmod, fdwSound);
/* FIXME? I see no difference between SND_NOWAIT and SND_NOSTOP !
* there could be one if several sounds can be played at once...
*/
if ((fdwSound & (SND_NOWAIT | SND_NOSTOP)) && WINMM_IData->lpPlaySound != NULL)
return FALSE;
/* alloc internal structure, if we need to play something */
if (pszSound && !(fdwSound & SND_PURGE))
{
if (!(wps = PlaySound_Alloc(pszSound, hmod, fdwSound, bUnicode)))
return FALSE;
}
EnterCriticalSection(&WINMM_IData->cs);
/* since several threads can enter PlaySound in parallel, we're not
* sure, at this point, that another thread didn't start a new playsound
*/
while (WINMM_IData->lpPlaySound != NULL)
{
ResetEvent(WINMM_IData->psLastEvent);
/* FIXME: doc says we have to stop all instances of pszSound if it's non
* NULL... as of today, we stop all playing instances */
SetEvent(WINMM_IData->psStopEvent);
LeaveCriticalSection(&WINMM_IData->cs);
WaitForSingleObject(WINMM_IData->psLastEvent, INFINITE);
EnterCriticalSection(&WINMM_IData->cs);
ResetEvent(WINMM_IData->psStopEvent);
}
if (wps) wps->lpNext = WINMM_IData->lpPlaySound;
WINMM_IData->lpPlaySound = wps;
LeaveCriticalSection(&WINMM_IData->cs);
if (!pszSound || (fdwSound & SND_PURGE)) return TRUE;
if (fdwSound & SND_ASYNC)
{
DWORD id;
HANDLE handle;
wps->bLoop = (fdwSound & SND_LOOP) ? TRUE : FALSE;
if ((handle = CreateThread(NULL, 0, proc_PlaySound, wps, 0, &id)) != 0) {
wps->hThread = handle;
return TRUE;
}
}
else return proc_PlaySound(wps);
/* error cases */
PlaySound_Free(wps);
return FALSE;
}
/**************************************************************************
* PlaySoundA [WINMM.@]
*/
BOOL WINAPI PlaySoundA(LPCSTR pszSoundA, HMODULE hmod, DWORD fdwSound)
{
return MULTIMEDIA_PlaySound(pszSoundA, hmod, fdwSound, FALSE);
}
/**************************************************************************
* PlaySoundW [WINMM.@]
*/
BOOL WINAPI PlaySoundW(LPCWSTR pszSoundW, HMODULE hmod, DWORD fdwSound)
{
return MULTIMEDIA_PlaySound(pszSoundW, hmod, fdwSound, TRUE);
}
/**************************************************************************
* sndPlaySoundA [WINMM.@]
*/
BOOL WINAPI sndPlaySoundA(LPCSTR pszSoundA, UINT uFlags)
{
uFlags &= SND_ASYNC|SND_LOOP|SND_MEMORY|SND_NODEFAULT|SND_NOSTOP|SND_SYNC;
return MULTIMEDIA_PlaySound(pszSoundA, 0, uFlags, FALSE);
}
/**************************************************************************
* sndPlaySoundW [WINMM.@]
*/
BOOL WINAPI sndPlaySoundW(LPCWSTR pszSound, UINT uFlags)
{
uFlags &= SND_ASYNC|SND_LOOP|SND_MEMORY|SND_NODEFAULT|SND_NOSTOP|SND_SYNC;
return MULTIMEDIA_PlaySound(pszSound, 0, uFlags, TRUE);
}
/**************************************************************************
* mmsystemGetVersion [WINMM.@]
*/
UINT WINAPI mmsystemGetVersion(void)
{
TRACE("3.10 (Win95?)\n");
return 0x030a;
}
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