Source code of Windows XP (NT5)
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/******************************Module*Header*******************************\
* Module Name: commands.cpp
*
* Processes commands from the user.
*
*
* Created: dd-mm-94
* Author: Stephen Estrop [StephenE]
*
* Copyright (c) 1994 - 1999 Microsoft Corporation. All Rights Reserved.
\**************************************************************************/
#include <streams.h>
#include <mmreg.h>
#include <commctrl.h>
#include "project.h"
#include "mpgcodec.h"
#include <stdio.h>
BOOL GetAMErrorText(HRESULT hr, TCHAR *Buffer, DWORD dwLen);
extern CMpegMovie *pMpegMovie;
/******************************Public*Routine******************************\
* VcdPlayerOpenCmd
*
*
*
* History:
* dd-mm-94 - StephenE - Created
*
\**************************************************************************/
BOOL
VcdPlayerOpenCmd(
void
)
{
static BOOL fFirstTime = TRUE;
BOOL fRet;
TCHAR achFileName[MAX_PATH];
TCHAR achFilter[MAX_PATH];
LPTSTR lp;
if (fFirstTime) {
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = hwndApp;
ofn.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST |
OFN_SHAREAWARE | OFN_PATHMUSTEXIST;
}
lstrcpy(achFilter, IdStr(STR_FILE_FILTER) );
ofn.lpstrFilter = achFilter;
/*
** Convert the resource string into to something suitable for
** GetOpenFileName ie. replace '#' characters with '\0' characters.
*/
for (lp = achFilter; *lp; lp++ ) {
if (*lp == TEXT('#')) {
*lp = TEXT('\0');
}
}
ofn.lpstrFile = achFileName;
ofn.nMaxFile = sizeof(achFileName) / sizeof(TCHAR);
ZeroMemory(achFileName, sizeof(achFileName));
fRet = GetOpenFileName(&ofn);
if ( fRet ) {
fFirstTime = FALSE;
ProcessOpen(achFileName);
}
return fRet;
}
/******************************Public*Routine******************************\
* VcdPlayerSetLog
*
*
*
* History:
* 11-04-94 - LaurieGr - Created
*
\**************************************************************************/
BOOL
VcdPlayerSetLog(
void
)
{
BOOL fRet;
TCHAR achFileName[MAX_PATH];
TCHAR achFilter[MAX_PATH];
LPTSTR lp;
OPENFILENAME opfn;
ZeroMemory(&opfn, sizeof(opfn));
opfn.lStructSize = sizeof(opfn);
opfn.hwndOwner = hwndApp;
opfn.Flags = OFN_HIDEREADONLY | OFN_SHAREAWARE | OFN_PATHMUSTEXIST;
lstrcpy(achFilter, IdStr(STR_FILE_LOG_FILTER) );
opfn.lpstrFilter = achFilter;
/*
** Convert the resource string into to something suitable for
** GetOpenFileName ie. replace '#' characters with '\0' characters.
*/
for (lp = achFilter; *lp; lp++ ) {
if (*lp == TEXT('#')) {
*lp = TEXT('\0');
}
}
opfn.lpstrFile = achFileName;
opfn.nMaxFile = sizeof(achFileName) / sizeof(TCHAR);
ZeroMemory(achFileName, sizeof(achFileName));
fRet = GetOpenFileName(&opfn);
if ( fRet ) {
hRenderLog = CreateFile( achFileName
, GENERIC_WRITE
, 0 // no sharing
, NULL // no security
, OPEN_ALWAYS
, 0 // no attributes, no flags
, NULL // no template
);
if (hRenderLog==INVALID_HANDLE_VALUE) {
volatile int Err = GetLastError();
fRet = FALSE;
}
// Seek to end of file
SetFilePointer(hRenderLog, 0, NULL, FILE_END);
}
return fRet;
}
/******************************Public*Routine******************************\
* VcdPlayerSetPerfLogFile
*
*
*
* History:
* 30-05-96 - StephenE - Created
*
\**************************************************************************/
BOOL
VcdPlayerSetPerfLogFile(
void
)
{
BOOL fRet;
TCHAR achFileName[MAX_PATH];
TCHAR achFilter[MAX_PATH];
LPTSTR lp;
OPENFILENAME opfn;
ZeroMemory(&opfn, sizeof(opfn));
opfn.lStructSize = sizeof(opfn);
opfn.hwndOwner = hwndApp;
opfn.Flags = OFN_HIDEREADONLY | OFN_SHAREAWARE | OFN_PATHMUSTEXIST;
lstrcpy(achFilter, IdStr(STR_FILE_PERF_LOG) );
opfn.lpstrFilter = achFilter;
/*
** Convert the resource string into to something suitable for
** GetOpenFileName ie. replace '#' characters with '\0' characters.
*/
for (lp = achFilter; *lp; lp++ ) {
if (*lp == TEXT('#')) {
*lp = TEXT('\0');
}
}
opfn.lpstrFile = achFileName;
opfn.nMaxFile = sizeof(achFileName) / sizeof(TCHAR);
lstrcpy(achFileName, g_szPerfLog);
fRet = GetOpenFileName(&opfn);
if ( fRet ) {
lstrcpy(g_szPerfLog, achFileName);
}
return fRet;
}
/******************************Public*Routine******************************\
* VcdPlayerCloseCmd
*
*
*
* History:
* dd-mm-94 - StephenE - Created
*
\**************************************************************************/
BOOL
VcdPlayerCloseCmd(
void
)
{
if (pMpegMovie) {
LONG cx, cy;
if (pMpegMovie->pMpegDecoder != NULL) {
KillTimer(hwndApp, 32);
}
g_State = VCD_NO_CD;
pMpegMovie->GetMoviePosition(&lMovieOrgX, &lMovieOrgY, &cx, &cy);
pMpegMovie->CloseMovie();
SetDurationLength((REFTIME)0);
SetCurrentPosition((REFTIME)0);
delete pMpegMovie;
pMpegMovie = NULL;
}
InvalidateRect( hwndApp, NULL, FALSE );
UpdateWindow( hwndApp );
return TRUE;
}
/******************************Public*Routine******************************\
* VcdPlayerPlayCmd
*
*
*
* History:
* dd-mm-94 - StephenE - Created
*
\**************************************************************************/
BOOL
VcdPlayerPlayCmd(
void
)
{
BOOL fStopped = (g_State & VCD_STOPPED);
BOOL fPaused = (g_State & VCD_PAUSED);
if ( (fStopped || fPaused) ) {
HDC hdc;
RECT rc;
//
// Clear out the old stats from the main window
//
hdc = GetDC(hwndApp);
GetAdjustedClientRect(&rc);
FillRect(hdc, &rc, (HBRUSH)(COLOR_BTNFACE + 1));
ReleaseDC(hwndApp, hdc);
if (pMpegMovie) {
pMpegMovie->PlayMovie();
}
g_State &= ~(fStopped ? VCD_STOPPED : VCD_PAUSED);
g_State |= VCD_PLAYING;
}
return TRUE;
}
/******************************Public*Routine******************************\
* VcdPlayerPlayCmd
*
*
*
* History:
* dd-mm-94 - StephenE - Created
*
\**************************************************************************/
BOOL
VcdPlayerStopCmd(
void
)
{
BOOL fPlaying = (g_State & VCD_PLAYING);
BOOL fPaused = (g_State & VCD_PAUSED);
if ( (fPlaying || fPaused) ) {
if (pMpegMovie) {
pMpegMovie->StopMovie();
pMpegMovie->SetFullScreenMode(FALSE);
SetCurrentPosition(pMpegMovie->GetCurrentPosition());
}
g_State &= ~(fPlaying ? VCD_PLAYING : VCD_PAUSED);
g_State |= VCD_STOPPED;
}
return TRUE;
}
/******************************Public*Routine******************************\
* VcdPlayerPauseCmd
*
*
*
* History:
* dd-mm-94 - StephenE - Created
*
\**************************************************************************/
BOOL
VcdPlayerPauseCmd(
void
)
{
BOOL fPlaying = (g_State & VCD_PLAYING);
BOOL fPaused = (g_State & VCD_PAUSED);
if (fPlaying) {
if (pMpegMovie) {
pMpegMovie->PauseMovie();
SetCurrentPosition(pMpegMovie->GetCurrentPosition());
}
g_State &= ~VCD_PLAYING;
g_State |= VCD_PAUSED;
}
else if (fPaused) {
if (pMpegMovie) {
pMpegMovie->PlayMovie();
}
g_State &= ~VCD_PAUSED;
g_State |= VCD_PLAYING;
}
return TRUE;
}
/******************************Public*Routine******************************\
* VcdPlayerSeekCmd
*
*
*
* History:
* dd-mm-95 - StephenE - Created
*
\**************************************************************************/
void
VcdPlayerSeekCmd(
REFTIME rtSeekBy
)
{
REFTIME rt;
REFTIME rtDur;
rtDur = pMpegMovie->GetDuration();
rt = pMpegMovie->GetCurrentPosition() + rtSeekBy;
rt = max(0, min(rt, rtDur));
pMpegMovie->SeekToPosition(rt,TRUE);
SetCurrentPosition(pMpegMovie->GetCurrentPosition());
}
/******************************Public*Routine******************************\
* ProcessOpen
*
*
*
* History:
* dd-mm-95 - StephenE - Created
*
\**************************************************************************/
void
ProcessOpen(
TCHAR *achFileName,
BOOL bPlay
)
{
/*
** If we currently have a video loaded we need to discard it here.
*/
if ( g_State & VCD_LOADED) {
VcdPlayerCloseCmd();
}
lstrcpy(g_achFileName, achFileName);
pMpegMovie = new CMpegMovie(hwndApp);
if (pMpegMovie) {
HRESULT hr = pMpegMovie->OpenMovie(g_achFileName);
if (SUCCEEDED(hr)) {
TCHAR achTmp[MAX_PATH];
LONG x, y, cx, cy;
nRecentFiles = SetRecentFiles(achFileName, nRecentFiles);
wsprintf( achTmp, IdStr(STR_APP_TITLE_LOADED),
g_achFileName );
g_State = (VCD_LOADED | VCD_STOPPED);
if (pMpegMovie->pMpegDecoder != NULL
|| pMpegMovie->pVideoRenderer != NULL) {
SetTimer(hwndApp, PerformanceTimer, 1000, NULL);
}
// SetDurationLength(pMpegMovie->GetDuration());
g_TimeFormat = VcdPlayerChangeTimeFormat(g_TimeFormat);
pMpegMovie->GetMoviePosition(&x, &y, &cx, &cy);
pMpegMovie->PutMoviePosition(lMovieOrgX, lMovieOrgY, cx, cy);
pMpegMovie->SetWindowForeground(OATRUE);
// If play
if (bPlay) {
pMpegMovie->PlayMovie();
}
}
else {
TCHAR Buffer[MAX_ERROR_TEXT_LEN];
if (GetAMErrorText(hr, Buffer, MAX_ERROR_TEXT_LEN)) {
MessageBox( hwndApp, Buffer,
IdStr(STR_APP_TITLE), MB_OK );
}
else {
MessageBox( hwndApp,
TEXT("Failed to open the movie; ")
TEXT("either the file was not found or ")
TEXT("the wave device is in use"),
IdStr(STR_APP_TITLE), MB_OK );
}
pMpegMovie->CloseMovie();
delete pMpegMovie;
pMpegMovie = NULL;
}
}
InvalidateRect( hwndApp, NULL, FALSE );
UpdateWindow( hwndApp );
}
/******************************Public*Routine******************************\
* VcdPlayerChangeTimeFormat
*
* Tries to change the time format to id. Returns the time format that
* actually got set. This may differ from id if the graph does not support
* the requested time format.
*
* History:
* 15-04-96 - AnthonyP - Created
*
\**************************************************************************/
int
VcdPlayerChangeTimeFormat(
int id
)
{
// Menu items are disabled while we are playing
BOOL bRet = FALSE;
int idActual = id;
ASSERT(pMpegMovie);
ASSERT(pMpegMovie->StatusMovie() != MOVIE_NOTOPENED);
// Change the time format with the filtergraph
switch (id) {
case IDM_FRAME:
bRet = pMpegMovie->SetTimeFormat(TIME_FORMAT_FRAME);
break;
case IDM_FIELD:
bRet = pMpegMovie->SetTimeFormat(TIME_FORMAT_FIELD);
break;
case IDM_SAMPLE:
bRet = pMpegMovie->SetTimeFormat(TIME_FORMAT_SAMPLE);
break;
case IDM_BYTES:
bRet = pMpegMovie->SetTimeFormat(TIME_FORMAT_BYTE);
break;
}
if (!bRet) {
// IDM_TIME and all other cases, everyone should support IDM_TIME
bRet = pMpegMovie->SetTimeFormat(TIME_FORMAT_MEDIA_TIME);
ASSERT(bRet);
idActual = IDM_TIME;
}
// Pause the movie to get a current position
SetDurationLength(pMpegMovie->GetDuration());
SetCurrentPosition(pMpegMovie->GetCurrentPosition());
return idActual;
}
const TCHAR quartzdllname[] = TEXT("quartz.dll");
#ifdef UNICODE
const char amgeterrorprocname[] = "AMGetErrorTextW";
#else
const char amgeterrorprocname[] = "AMGetErrorTextA";
#endif
BOOL GetAMErrorText(HRESULT hr, TCHAR *Buffer, DWORD dwLen)
{
HMODULE hInst = GetModuleHandle(quartzdllname);
if (hInst) {
AMGETERRORTEXTPROC lpProc;
*((FARPROC *)&lpProc) = GetProcAddress(hInst, amgeterrorprocname);
if (lpProc) {
return 0 != (*lpProc)(hr, Buffer, dwLen);
}
}
return FALSE;
}