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wine/dlls/mciavi32/mciavi.c

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/*
* Digital video MCI Wine Driver
*
* Copyright 1999, 2000 Eric POUECH
* Copyright 2003 Dmitry Timoshkov
*
* 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
*/
/* TODO list :
* - handling of palettes
* - recording (which input devices ?), a cam recorder ?
* - lots of messages still need to be handled (cf FIXME)
* - synchronization between audio and video (especially for interleaved
* files)
* - robustness when reading file can be enhanced
* - better move the AVI handling part to avifile DLL and make use of it
* - some files appear to have more than one audio stream (we only play the
* first one)
* - some files contain an index of audio/video frame. Better use it,
* instead of rebuilding it
* - stopping while playing a file with sound blocks until all buffered
* audio is played... still should be stopped ASAP
*/
#include <string.h>
#include "private_mciavi.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(mciavi);
static DWORD MCIAVI_mciStop(UINT, DWORD, LPMCI_GENERIC_PARMS);
/*======================================================================*
* MCI AVI implementation *
*======================================================================*/
HINSTANCE MCIAVI_hInstance = 0;
/***********************************************************************
* DllMain (MCIAVI.0)
*/
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
{
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hInstDLL);
MCIAVI_hInstance = hInstDLL;
break;
}
return TRUE;
}
/**************************************************************************
* MCIAVI_drvOpen [internal]
*/
static DWORD MCIAVI_drvOpen(LPCWSTR str, LPMCI_OPEN_DRIVER_PARMSW modp)
{
WINE_MCIAVI* wma;
static const WCHAR mciAviWStr[] = {'M','C','I','A','V','I',0};
TRACE("%s, %p\n", debugstr_w(str), modp);
/* session instance */
if (!modp) return 0xFFFFFFFF;
if (!MCIAVI_RegisterClass()) return 0;
wma = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINE_MCIAVI));
if (!wma)
return 0;
InitializeCriticalSection(&wma->cs);
wma->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": WINE_MCIAVI.cs");
wma->ack_event = CreateEventW(NULL, FALSE, FALSE, NULL);
wma->hStopEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
wma->wDevID = modp->wDeviceID;
wma->wCommandTable = mciLoadCommandResource(MCIAVI_hInstance, mciAviWStr, 0);
modp->wCustomCommandTable = wma->wCommandTable;
modp->wType = MCI_DEVTYPE_DIGITAL_VIDEO;
mciSetDriverData(wma->wDevID, (DWORD_PTR)wma);
return modp->wDeviceID;
}
/**************************************************************************
* MCIAVI_drvClose [internal]
*/
static DWORD MCIAVI_drvClose(DWORD dwDevID)
{
WINE_MCIAVI *wma;
TRACE("%04x\n", dwDevID);
/* finish all outstanding things */
MCIAVI_mciClose(dwDevID, MCI_WAIT, NULL);
wma = (WINE_MCIAVI*)mciGetDriverData(dwDevID);
if (wma) {
MCIAVI_UnregisterClass();
EnterCriticalSection(&wma->cs);
mciSetDriverData(dwDevID, 0);
mciFreeCommandResource(wma->wCommandTable);
CloseHandle(wma->ack_event);
CloseHandle(wma->hStopEvent);
LeaveCriticalSection(&wma->cs);
wma->cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&wma->cs);
HeapFree(GetProcessHeap(), 0, wma);
return 1;
}
return (dwDevID == 0xFFFFFFFF) ? 1 : 0;
}
/**************************************************************************
* MCIAVI_drvConfigure [internal]
*/
static DWORD MCIAVI_drvConfigure(DWORD dwDevID)
{
WINE_MCIAVI *wma;
TRACE("%04x\n", dwDevID);
MCIAVI_mciStop(dwDevID, MCI_WAIT, NULL);
wma = (WINE_MCIAVI*)mciGetDriverData(dwDevID);
if (wma) {
MessageBoxA(0, "Sample AVI Wine Driver !", "MM-Wine Driver", MB_OK);
return 1;
}
return 0;
}
/**************************************************************************
* MCIAVI_mciGetOpenDev [internal]
*/
WINE_MCIAVI* MCIAVI_mciGetOpenDev(UINT wDevID)
{
WINE_MCIAVI* wma = (WINE_MCIAVI*)mciGetDriverData(wDevID);
if (wma == NULL || wma->nUseCount == 0) {
WARN("Invalid wDevID=%u\n", wDevID);
return 0;
}
return wma;
}
static void MCIAVI_CleanUp(WINE_MCIAVI* wma)
{
/* to prevent handling in WindowProc */
wma->dwStatus = MCI_MODE_NOT_READY;
if (wma->hFile) {
mmioClose(wma->hFile, 0);
wma->hFile = 0;
HeapFree(GetProcessHeap(), 0, wma->lpFileName);
wma->lpFileName = NULL;
HeapFree(GetProcessHeap(), 0, wma->lpVideoIndex);
wma->lpVideoIndex = NULL;
HeapFree(GetProcessHeap(), 0, wma->lpAudioIndex);
wma->lpAudioIndex = NULL;
if (wma->hic) ICClose(wma->hic);
wma->hic = 0;
HeapFree(GetProcessHeap(), 0, wma->inbih);
wma->inbih = NULL;
HeapFree(GetProcessHeap(), 0, wma->outbih);
wma->outbih = NULL;
HeapFree(GetProcessHeap(), 0, wma->indata);
wma->indata = NULL;
HeapFree(GetProcessHeap(), 0, wma->outdata);
wma->outdata = NULL;
if (wma->hbmFrame) DeleteObject(wma->hbmFrame);
wma->hbmFrame = 0;
if (wma->hWnd) DestroyWindow(wma->hWnd);
wma->hWnd = 0;
HeapFree(GetProcessHeap(), 0, wma->lpWaveFormat);
wma->lpWaveFormat = 0;
memset(&wma->mah, 0, sizeof(wma->mah));
memset(&wma->ash_video, 0, sizeof(wma->ash_video));
memset(&wma->ash_audio, 0, sizeof(wma->ash_audio));
wma->dwCurrVideoFrame = wma->dwCurrAudioBlock = 0;
wma->dwCachedFrame = -1;
}
}
/***************************************************************************
* MCIAVI_mciOpen [internal]
*/
static DWORD MCIAVI_mciOpen(UINT wDevID, DWORD dwFlags,
LPMCI_DGV_OPEN_PARMSW lpOpenParms)
{
WINE_MCIAVI *wma;
LRESULT dwRet = 0;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpOpenParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpOpenParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = (WINE_MCIAVI *)mciGetDriverData(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
if (wma->nUseCount > 0) {
/* The driver is already open on this channel */
/* If the driver was opened shareable before and this open specifies */
/* shareable then increment the use count */
if (wma->fShareable && (dwFlags & MCI_OPEN_SHAREABLE))
++wma->nUseCount;
else
{
LeaveCriticalSection(&wma->cs);
return MCIERR_MUST_USE_SHAREABLE;
}
} else {
wma->nUseCount = 1;
wma->fShareable = dwFlags & MCI_OPEN_SHAREABLE;
}
wma->dwStatus = MCI_MODE_NOT_READY;
if (dwFlags & MCI_OPEN_ELEMENT) {
if (dwFlags & MCI_OPEN_ELEMENT_ID) {
/* could it be that (DWORD)lpOpenParms->lpstrElementName
* contains the hFile value ?
*/
dwRet = MCIERR_UNRECOGNIZED_COMMAND;
} else if (lpOpenParms->lpstrElementName && lpOpenParms->lpstrElementName[0]) {
/* FIXME : what should be done id wma->hFile is already != 0, or the driver is playin' */
TRACE("MCI_OPEN_ELEMENT %s!\n", debugstr_w(lpOpenParms->lpstrElementName));
wma->lpFileName = HeapAlloc(GetProcessHeap(), 0, (strlenW(lpOpenParms->lpstrElementName) + 1) * sizeof(WCHAR));
strcpyW(wma->lpFileName, lpOpenParms->lpstrElementName);
wma->hFile = mmioOpenW(lpOpenParms->lpstrElementName, NULL,
MMIO_ALLOCBUF | MMIO_DENYWRITE | MMIO_READ);
if (wma->hFile == 0) {
WARN("can't find file=%s!\n", debugstr_w(lpOpenParms->lpstrElementName));
dwRet = MCIERR_FILE_NOT_FOUND;
} else {
if (!MCIAVI_GetInfo(wma))
dwRet = MCIERR_INVALID_FILE;
else if (!MCIAVI_OpenVideo(wma))
dwRet = MCIERR_CANNOT_LOAD_DRIVER;
else if (!MCIAVI_CreateWindow(wma, dwFlags, lpOpenParms))
dwRet = MCIERR_CREATEWINDOW;
}
} else {
FIXME("Don't record yet\n");
dwRet = MCIERR_UNSUPPORTED_FUNCTION;
}
}
if (dwRet == 0) {
TRACE("lpOpenParms->wDeviceID = %04x\n", lpOpenParms->wDeviceID);
wma->dwStatus = MCI_MODE_STOP;
wma->dwMciTimeFormat = MCI_FORMAT_FRAMES;
} else {
MCIAVI_CleanUp(wma);
}
LeaveCriticalSection(&wma->cs);
return dwRet;
}
/***************************************************************************
* MCIAVI_mciClose [internal]
*/
DWORD MCIAVI_mciClose(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
WINE_MCIAVI *wma;
DWORD dwRet = 0;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
if (wma->nUseCount == 1) {
if (wma->dwStatus != MCI_MODE_STOP)
dwRet = MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
MCIAVI_CleanUp(wma);
if ((dwFlags & MCI_NOTIFY) && lpParms) {
mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
wDevID,
MCI_NOTIFY_SUCCESSFUL);
}
LeaveCriticalSection(&wma->cs);
return dwRet;
}
wma->nUseCount--;
LeaveCriticalSection(&wma->cs);
return dwRet;
}
static DWORD MCIAVI_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms);
struct MCIAVI_play_data
{
MCIDEVICEID wDevID;
DWORD flags;
MCI_PLAY_PARMS params;
};
/*
* MCIAVI_mciPlay_thread
*
* FIXME: probably should use a common worker thread created at the driver
* load time and queue all async commands to it.
*/
static DWORD WINAPI MCIAVI_mciPlay_thread(LPVOID arg)
{
struct MCIAVI_play_data *data = (struct MCIAVI_play_data *)arg;
DWORD ret;
TRACE("In thread before async play command (id %08x, flags %08x)\n", data->wDevID, data->flags);
ret = MCIAVI_mciPlay(data->wDevID, data->flags | MCI_WAIT, &data->params);
TRACE("In thread after async play command (id %08x, flags %08x)\n", data->wDevID, data->flags);
HeapFree(GetProcessHeap(), 0, data);
return ret;
}
/*
* MCIAVI_mciPlay_async
*/
static DWORD MCIAVI_mciPlay_async(WINE_MCIAVI *wma, DWORD dwFlags, LPMCI_PLAY_PARMS lpParams)
{
HANDLE handle, ack_event = wma->ack_event;
struct MCIAVI_play_data *data = HeapAlloc(GetProcessHeap(), 0, sizeof(struct MCIAVI_play_data));
if (!data) return MCIERR_OUT_OF_MEMORY;
data->wDevID = wma->wDevID;
data->flags = dwFlags;
data->params = *lpParams;
if (!(handle = CreateThread(NULL, 0, MCIAVI_mciPlay_thread, data, 0, NULL)))
{
WARN("Couldn't create thread for async play, playing synchronously\n");
return MCIAVI_mciPlay_thread(data);
}
SetThreadPriority(handle, THREAD_PRIORITY_TIME_CRITICAL);
CloseHandle(handle);
/* wait until the thread starts up, so the app could see a changed status */
WaitForSingleObject(ack_event, INFINITE);
TRACE("Async play has started\n");
return 0;
}
/***************************************************************************
* MCIAVI_mciPlay [internal]
*/
static DWORD MCIAVI_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms)
{
WINE_MCIAVI *wma;
DWORD tc;
DWORD frameTime;
DWORD delta;
DWORD dwRet;
LPWAVEHDR waveHdr = NULL;
unsigned i, nHdr = 0;
DWORD dwFromFrame, dwToFrame;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
if (!wma->hFile)
{
LeaveCriticalSection(&wma->cs);
return MCIERR_FILE_NOT_FOUND;
}
if (!wma->hWndPaint)
{
LeaveCriticalSection(&wma->cs);
return MCIERR_NO_WINDOW;
}
LeaveCriticalSection(&wma->cs);
if (!(dwFlags & MCI_WAIT))
return MCIAVI_mciPlay_async(wma, dwFlags, lpParms);
if (!(GetWindowLongW(wma->hWndPaint, GWL_STYLE) & WS_VISIBLE))
ShowWindow(wma->hWndPaint, SW_SHOWNA);
EnterCriticalSection(&wma->cs);
dwFromFrame = wma->dwCurrVideoFrame;
dwToFrame = wma->dwPlayableVideoFrames - 1;
if (lpParms && (dwFlags & MCI_FROM)) {
dwFromFrame = MCIAVI_ConvertTimeFormatToFrame(wma, lpParms->dwFrom);
}
if (lpParms && (dwFlags & MCI_TO)) {
dwToFrame = MCIAVI_ConvertTimeFormatToFrame(wma, lpParms->dwTo);
}
if (dwToFrame >= wma->dwPlayableVideoFrames)
dwToFrame = wma->dwPlayableVideoFrames - 1;
TRACE("Playing from frame=%u to frame=%u\n", dwFromFrame, dwToFrame);
wma->dwCurrVideoFrame = dwFromFrame;
wma->dwToVideoFrame = dwToFrame;
/* if already playing exit */
if (wma->dwStatus == MCI_MODE_PLAY)
{
LeaveCriticalSection(&wma->cs);
SetEvent(wma->ack_event);
return 0;
}
if (wma->dwToVideoFrame <= wma->dwCurrVideoFrame)
{
dwRet = 0;
SetEvent(wma->ack_event);
goto mci_play_done;
}
wma->dwStatus = MCI_MODE_PLAY;
/* signal the state change */
SetEvent(wma->ack_event);
if (dwFlags & (MCI_DGV_PLAY_REPEAT|MCI_DGV_PLAY_REVERSE|MCI_MCIAVI_PLAY_WINDOW|MCI_MCIAVI_PLAY_FULLSCREEN))
FIXME("Unsupported flag %08x\n", dwFlags);
/* time is in microseconds, we should convert it to milliseconds */
frameTime = (wma->mah.dwMicroSecPerFrame + 500) / 1000;
if (wma->lpWaveFormat) {
if (MCIAVI_OpenAudio(wma, &nHdr, &waveHdr) != 0)
{
/* can't play audio */
HeapFree(GetProcessHeap(), 0, wma->lpWaveFormat);
wma->lpWaveFormat = NULL;
}
else
/* fill the queue with as many wave headers as possible */
MCIAVI_PlayAudioBlocks(wma, nHdr, waveHdr);
}
while (wma->dwStatus == MCI_MODE_PLAY)
{
HDC hDC;
DWORD ret;
tc = GetTickCount();
hDC = wma->hWndPaint ? GetDC(wma->hWndPaint) : 0;
if (hDC)
{
MCIAVI_PaintFrame(wma, hDC);
ReleaseDC(wma->hWndPaint, hDC);
}
if (wma->lpWaveFormat) {
HANDLE events[2];
events[0] = wma->hStopEvent;
events[1] = wma->hEvent;
MCIAVI_PlayAudioBlocks(wma, nHdr, waveHdr);
delta = GetTickCount() - tc;
LeaveCriticalSection(&wma->cs);
ret = WaitForMultipleObjects(2, events, FALSE, (delta >= frameTime) ? 0 : frameTime - delta);
EnterCriticalSection(&wma->cs);
if (ret == WAIT_OBJECT_0 || wma->dwStatus != MCI_MODE_PLAY) break;
}
delta = GetTickCount() - tc;
if (delta < frameTime)
delta = frameTime - delta;
else
delta = 0;
LeaveCriticalSection(&wma->cs);
ret = WaitForMultipleObjects(1, &wma->hStopEvent, FALSE, delta);
EnterCriticalSection(&wma->cs);
if (ret == WAIT_OBJECT_0) break;
if (wma->dwCurrVideoFrame < dwToFrame)
wma->dwCurrVideoFrame++;
else
break;
}
if (wma->lpWaveFormat) {
while (wma->dwEventCount != nHdr - 1)
{
LeaveCriticalSection(&wma->cs);
Sleep(100);
EnterCriticalSection(&wma->cs);
}
/* just to get rid of some race conditions between play, stop and pause */
LeaveCriticalSection(&wma->cs);
waveOutReset(wma->hWave);
EnterCriticalSection(&wma->cs);
for (i = 0; i < nHdr; i++)
waveOutUnprepareHeader(wma->hWave, &waveHdr[i], sizeof(WAVEHDR));
}
dwRet = 0;
if (wma->lpWaveFormat) {
HeapFree(GetProcessHeap(), 0, waveHdr);
if (wma->hWave) {
LeaveCriticalSection(&wma->cs);
waveOutClose(wma->hWave);
EnterCriticalSection(&wma->cs);
wma->hWave = 0;
}
CloseHandle(wma->hEvent);
}
mci_play_done:
wma->dwStatus = MCI_MODE_STOP;
if (lpParms && (dwFlags & MCI_NOTIFY)) {
TRACE("MCI_NOTIFY_SUCCESSFUL %08lX !\n", lpParms->dwCallback);
mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
wDevID, MCI_NOTIFY_SUCCESSFUL);
}
LeaveCriticalSection(&wma->cs);
return dwRet;
}
/***************************************************************************
* MCIAVI_mciRecord [internal]
*/
static DWORD MCIAVI_mciRecord(UINT wDevID, DWORD dwFlags, LPMCI_DGV_RECORD_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08X, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
wma->dwStatus = MCI_MODE_RECORD;
LeaveCriticalSection(&wma->cs);
return 0;
}
/***************************************************************************
* MCIAVI_mciStop [internal]
*/
static DWORD MCIAVI_mciStop(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
WINE_MCIAVI *wma;
DWORD dwRet = 0;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
TRACE("current status %04x\n", wma->dwStatus);
switch (wma->dwStatus) {
case MCI_MODE_PLAY:
case MCI_MODE_RECORD:
LeaveCriticalSection(&wma->cs);
SetEvent(wma->hStopEvent);
EnterCriticalSection(&wma->cs);
/* fall through */
case MCI_MODE_PAUSE:
/* Since our wave notification callback takes the lock,
* we must release it before resetting the device */
LeaveCriticalSection(&wma->cs);
dwRet = waveOutReset(wma->hWave);
EnterCriticalSection(&wma->cs);
/* fall through */
default:
do /* one more chance for an async thread to finish */
{
LeaveCriticalSection(&wma->cs);
Sleep(10);
EnterCriticalSection(&wma->cs);
} while (wma->dwStatus != MCI_MODE_STOP);
break;
case MCI_MODE_NOT_READY:
break;
}
if ((dwFlags & MCI_NOTIFY) && lpParms) {
mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
wDevID, MCI_NOTIFY_SUCCESSFUL);
}
LeaveCriticalSection(&wma->cs);
return dwRet;
}
/***************************************************************************
* MCIAVI_mciPause [internal]
*/
static DWORD MCIAVI_mciPause(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
WINE_MCIAVI *wma;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
if (wma->dwStatus == MCI_MODE_PLAY)
wma->dwStatus = MCI_MODE_PAUSE;
if (wma->lpWaveFormat) {
LeaveCriticalSection(&wma->cs);
return waveOutPause(wma->hWave);
}
LeaveCriticalSection(&wma->cs);
return 0;
}
/***************************************************************************
* MCIAVI_mciResume [internal]
*/
static DWORD MCIAVI_mciResume(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
WINE_MCIAVI *wma;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
if (wma->dwStatus == MCI_MODE_PAUSE)
wma->dwStatus = MCI_MODE_PLAY;
if (wma->lpWaveFormat) {
LeaveCriticalSection(&wma->cs);
return waveOutRestart(wma->hWave);
}
LeaveCriticalSection(&wma->cs);
return 0;
}
/***************************************************************************
* MCIAVI_mciSeek [internal]
*/
static DWORD MCIAVI_mciSeek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms)
{
WINE_MCIAVI *wma;
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
if (dwFlags & MCI_SEEK_TO_START) {
wma->dwCurrVideoFrame = 0;
} else if (dwFlags & MCI_SEEK_TO_END) {
wma->dwCurrVideoFrame = wma->dwPlayableVideoFrames - 1;
} else if (dwFlags & MCI_TO) {
if (lpParms->dwTo > wma->dwPlayableVideoFrames - 1)
lpParms->dwTo = wma->dwPlayableVideoFrames - 1;
wma->dwCurrVideoFrame = MCIAVI_ConvertTimeFormatToFrame(wma, lpParms->dwTo);
} else {
WARN("dwFlag doesn't tell where to seek to...\n");
LeaveCriticalSection(&wma->cs);
return MCIERR_MISSING_PARAMETER;
}
TRACE("Seeking to frame=%u bytes\n", wma->dwCurrVideoFrame);
if (dwFlags & MCI_NOTIFY) {
mciDriverNotify(HWND_32(LOWORD(lpParms->dwCallback)),
wDevID, MCI_NOTIFY_SUCCESSFUL);
}
LeaveCriticalSection(&wma->cs);
return 0;
}
/*****************************************************************************
* MCIAVI_mciLoad [internal]
*/
static DWORD MCIAVI_mciLoad(UINT wDevID, DWORD dwFlags, LPMCI_DGV_LOAD_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciSave [internal]
*/
static DWORD MCIAVI_mciSave(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SAVE_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciFreeze [internal]
*/
static DWORD MCIAVI_mciFreeze(UINT wDevID, DWORD dwFlags, LPMCI_DGV_RECT_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciRealize [internal]
*/
static DWORD MCIAVI_mciRealize(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciUnFreeze [internal]
*/
static DWORD MCIAVI_mciUnFreeze(UINT wDevID, DWORD dwFlags, LPMCI_DGV_RECT_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciUpdate [internal]
*/
static DWORD MCIAVI_mciUpdate(UINT wDevID, DWORD dwFlags, LPMCI_DGV_UPDATE_PARMS lpParms)
{
WINE_MCIAVI *wma;
TRACE("%04x, %08x, %p\n", wDevID, dwFlags, lpParms);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
EnterCriticalSection(&wma->cs);
if (dwFlags & MCI_DGV_UPDATE_HDC)
MCIAVI_PaintFrame(wma, lpParms->hDC);
LeaveCriticalSection(&wma->cs);
return 0;
}
/******************************************************************************
* MCIAVI_mciStep [internal]
*/
static DWORD MCIAVI_mciStep(UINT wDevID, DWORD dwFlags, LPMCI_DGV_STEP_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciCopy [internal]
*/
static DWORD MCIAVI_mciCopy(UINT wDevID, DWORD dwFlags, LPMCI_DGV_COPY_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciCut [internal]
*/
static DWORD MCIAVI_mciCut(UINT wDevID, DWORD dwFlags, LPMCI_DGV_CUT_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciDelete [internal]
*/
static DWORD MCIAVI_mciDelete(UINT wDevID, DWORD dwFlags, LPMCI_DGV_DELETE_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciPaste [internal]
*/
static DWORD MCIAVI_mciPaste(UINT wDevID, DWORD dwFlags, LPMCI_DGV_PASTE_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciCue [internal]
*/
static DWORD MCIAVI_mciCue(UINT wDevID, DWORD dwFlags, LPMCI_DGV_CUE_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciCapture [internal]
*/
static DWORD MCIAVI_mciCapture(UINT wDevID, DWORD dwFlags, LPMCI_DGV_CAPTURE_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciMonitor [internal]
*/
static DWORD MCIAVI_mciMonitor(UINT wDevID, DWORD dwFlags, LPMCI_DGV_MONITOR_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciReserve [internal]
*/
static DWORD MCIAVI_mciReserve(UINT wDevID, DWORD dwFlags, LPMCI_DGV_RESERVE_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciSetAudio [internal]
*/
static DWORD MCIAVI_mciSetAudio(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SETAUDIO_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciSignal [internal]
*/
static DWORD MCIAVI_mciSignal(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SIGNAL_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciSetVideo [internal]
*/
static DWORD MCIAVI_mciSetVideo(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SETVIDEO_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciQuality [internal]
*/
static DWORD MCIAVI_mciQuality(UINT wDevID, DWORD dwFlags, LPMCI_DGV_QUALITY_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciList [internal]
*/
static DWORD MCIAVI_mciList(UINT wDevID, DWORD dwFlags, LPMCI_DGV_LIST_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciUndo [internal]
*/
static DWORD MCIAVI_mciUndo(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciConfigure [internal]
*/
static DWORD MCIAVI_mciConfigure(UINT wDevID, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/******************************************************************************
* MCIAVI_mciRestore [internal]
*/
static DWORD MCIAVI_mciRestore(UINT wDevID, DWORD dwFlags, LPMCI_DGV_RESTORE_PARMSW lpParms)
{
WINE_MCIAVI *wma;
FIXME("(%04x, %08x, %p) : stub\n", wDevID, dwFlags, lpParms);
MCIAVI_mciStop(wDevID, MCI_WAIT, NULL);
if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIAVI_mciGetOpenDev(wDevID);
if (wma == NULL) return MCIERR_INVALID_DEVICE_ID;
return 0;
}
/*======================================================================*
* MCI AVI entry points *
*======================================================================*/
/**************************************************************************
* DriverProc (MCIAVI.@)
*/
LRESULT CALLBACK MCIAVI_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
LPARAM dwParam1, LPARAM dwParam2)
{
TRACE("(%08lX, %p, %08X, %08lX, %08lX)\n",
dwDevID, hDriv, wMsg, dwParam1, dwParam2);
switch (wMsg) {
case DRV_LOAD: return 1;
case DRV_FREE: return 1;
case DRV_OPEN: return MCIAVI_drvOpen((LPCWSTR)dwParam1, (LPMCI_OPEN_DRIVER_PARMSW)dwParam2);
case DRV_CLOSE: return MCIAVI_drvClose(dwDevID);
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: return MCIAVI_drvConfigure(dwDevID);
case DRV_INSTALL: return DRVCNF_RESTART;
case DRV_REMOVE: return DRVCNF_RESTART;
}
/* session instance */
if (dwDevID == 0xFFFFFFFF) return 1;
switch (wMsg) {
case MCI_OPEN_DRIVER: return MCIAVI_mciOpen (dwDevID, dwParam1, (LPMCI_DGV_OPEN_PARMSW) dwParam2);
case MCI_CLOSE_DRIVER: return MCIAVI_mciClose (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_PLAY: return MCIAVI_mciPlay (dwDevID, dwParam1, (LPMCI_PLAY_PARMS) dwParam2);
case MCI_RECORD: return MCIAVI_mciRecord (dwDevID, dwParam1, (LPMCI_DGV_RECORD_PARMS) dwParam2);
case MCI_STOP: return MCIAVI_mciStop (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_SET: return MCIAVI_mciSet (dwDevID, dwParam1, (LPMCI_DGV_SET_PARMS) dwParam2);
case MCI_PAUSE: return MCIAVI_mciPause (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_RESUME: return MCIAVI_mciResume (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_STATUS: return MCIAVI_mciStatus (dwDevID, dwParam1, (LPMCI_DGV_STATUS_PARMSW) dwParam2);
case MCI_GETDEVCAPS: return MCIAVI_mciGetDevCaps(dwDevID, dwParam1, (LPMCI_GETDEVCAPS_PARMS) dwParam2);
case MCI_INFO: return MCIAVI_mciInfo (dwDevID, dwParam1, (LPMCI_DGV_INFO_PARMSW) dwParam2);
case MCI_SEEK: return MCIAVI_mciSeek (dwDevID, dwParam1, (LPMCI_SEEK_PARMS) dwParam2);
case MCI_PUT: return MCIAVI_mciPut (dwDevID, dwParam1, (LPMCI_DGV_PUT_PARMS) dwParam2);
case MCI_WINDOW: return MCIAVI_mciWindow (dwDevID, dwParam1, (LPMCI_DGV_WINDOW_PARMSW) dwParam2);
case MCI_LOAD: return MCIAVI_mciLoad (dwDevID, dwParam1, (LPMCI_DGV_LOAD_PARMSW) dwParam2);
case MCI_SAVE: return MCIAVI_mciSave (dwDevID, dwParam1, (LPMCI_DGV_SAVE_PARMSW) dwParam2);
case MCI_FREEZE: return MCIAVI_mciFreeze (dwDevID, dwParam1, (LPMCI_DGV_RECT_PARMS) dwParam2);
case MCI_REALIZE: return MCIAVI_mciRealize (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_UNFREEZE: return MCIAVI_mciUnFreeze (dwDevID, dwParam1, (LPMCI_DGV_RECT_PARMS) dwParam2);
case MCI_UPDATE: return MCIAVI_mciUpdate (dwDevID, dwParam1, (LPMCI_DGV_UPDATE_PARMS) dwParam2);
case MCI_WHERE: return MCIAVI_mciWhere (dwDevID, dwParam1, (LPMCI_DGV_RECT_PARMS) dwParam2);
case MCI_STEP: return MCIAVI_mciStep (dwDevID, dwParam1, (LPMCI_DGV_STEP_PARMS) dwParam2);
case MCI_COPY: return MCIAVI_mciCopy (dwDevID, dwParam1, (LPMCI_DGV_COPY_PARMS) dwParam2);
case MCI_CUT: return MCIAVI_mciCut (dwDevID, dwParam1, (LPMCI_DGV_CUT_PARMS) dwParam2);
case MCI_DELETE: return MCIAVI_mciDelete (dwDevID, dwParam1, (LPMCI_DGV_DELETE_PARMS) dwParam2);
case MCI_PASTE: return MCIAVI_mciPaste (dwDevID, dwParam1, (LPMCI_DGV_PASTE_PARMS) dwParam2);
case MCI_CUE: return MCIAVI_mciCue (dwDevID, dwParam1, (LPMCI_DGV_CUE_PARMS) dwParam2);
/* Digital Video specific */
case MCI_CAPTURE: return MCIAVI_mciCapture (dwDevID, dwParam1, (LPMCI_DGV_CAPTURE_PARMSW) dwParam2);
case MCI_MONITOR: return MCIAVI_mciMonitor (dwDevID, dwParam1, (LPMCI_DGV_MONITOR_PARMS) dwParam2);
case MCI_RESERVE: return MCIAVI_mciReserve (dwDevID, dwParam1, (LPMCI_DGV_RESERVE_PARMSW) dwParam2);
case MCI_SETAUDIO: return MCIAVI_mciSetAudio (dwDevID, dwParam1, (LPMCI_DGV_SETAUDIO_PARMSW) dwParam2);
case MCI_SIGNAL: return MCIAVI_mciSignal (dwDevID, dwParam1, (LPMCI_DGV_SIGNAL_PARMS) dwParam2);
case MCI_SETVIDEO: return MCIAVI_mciSetVideo (dwDevID, dwParam1, (LPMCI_DGV_SETVIDEO_PARMSW) dwParam2);
case MCI_QUALITY: return MCIAVI_mciQuality (dwDevID, dwParam1, (LPMCI_DGV_QUALITY_PARMSW) dwParam2);
case MCI_LIST: return MCIAVI_mciList (dwDevID, dwParam1, (LPMCI_DGV_LIST_PARMSW) dwParam2);
case MCI_UNDO: return MCIAVI_mciUndo (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_CONFIGURE: return MCIAVI_mciConfigure (dwDevID, dwParam1, (LPMCI_GENERIC_PARMS) dwParam2);
case MCI_RESTORE: return MCIAVI_mciRestore (dwDevID, dwParam1, (LPMCI_DGV_RESTORE_PARMSW) dwParam2);
case MCI_SPIN:
case MCI_ESCAPE:
WARN("Unsupported command [%u]\n", wMsg);
break;
case MCI_OPEN:
case MCI_CLOSE:
FIXME("Shouldn't receive a MCI_OPEN or CLOSE message\n");
break;
default:
TRACE("Sending msg [%u] to default driver proc\n", wMsg);
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
}
return MCIERR_UNRECOGNIZED_COMMAND;
}
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