Developer CD Series 2000 November: Tool Chest/Dev.CD Nov 00 TC Disk 2.toast/pc/sample code/quicktime/quicktimeintro/createmovie/start code/createmovie.c

C/C++ Source or Header | 2000-10-06 | 7.1 KB | 256 lines

/*
    File:        CreateMovie.c

    Contains:    QuickTime CreateMovie sample code

    Written by:    Scott Kuechle
                (based heavily on QuickTime sample code in Inside Macintosh: QuickTime)

    Copyright:    © 1998 by Apple Computer, Inc. All rights reserved

    Change History (most recent first)

          <3>         09/30/98    rtm        tweaked calls to CreateMovieFIle and AddMovieResource to create single-fork movies
        <2>        09/28/98    rtm        changes for Metrowerks compiler
        <1>        06/26/98    srk        first file


*/


/************************************************************
*                                                           *
*    INCLUDE FILES                                          *
*                                                           *
*************************************************************/


#if !defined(_MSC_VER) && _WIN32
    #include <Win32Headers.mch>
    #define TARGET_OS_WIN32            1
#else
    #include <ConditionalMacros.h>
#endif

#if TARGET_OS_WIN32
    #include <QTML.h>
    #define    STRICT
    #include <windows.h>
#endif


#include "MacTypes.h"

#include "MacMemory.h"
#include "Errors.h"
#include "Fonts.h"
#include "QuickDraw.h"
#include "Resources.h"
#include "Gestalt.h"
#include "FixMath.h"
#include "Sound.h"
#include "string.h"
#include "Movies.h"
#include "ImageCompression.h"
#include "Script.h"
#include "TextUtils.h"
#include "Processes.h"

#include "CreateMovie.h"
#include "QTSound.h"
#include "QTVideo.h"
#include "QTUtilities.h"
#include "ComFramework.h"

/************************************************************
*                                                           *
*    FUNCTION PROTOTYPES                                    *
*                                                           *
*************************************************************/

#if TARGET_OS_MAC
    static void Utils_Macintosh_DisplayMsg(char *msg);
    static void InitMacToolbox (void);
#else if TARGET_OS_WIN32
    static void Utils_Win32_DisplayMsg(char *msg);
#endif



/************************************************************
*                                                           *
*    CONSTANTS                                              *
*                                                           *
*************************************************************/

#define kMsgDialogRsrcID    129
#define kMsgItemID            3

#define kPrompt                "Enter the movie file name:"
#define kFileName            "MovieFile.mov"

/*
Sample Player's creator type since it is the movie player
of choice. You can use your own creator type, of course.
*/
#define kMyCreatorType        FOUR_CHAR_CODE('TVOD')


/************************************************************
*                                                           *
*    FUNCTIONS                                              *
*                                                           *
*************************************************************/




/************************************************************
*                                                           *
*    CheckError()                                           *
*                                                           *
*    Displays error message if an error occurred            *
*                                                           *
*************************************************************/

void CheckError(OSErr error, char *msg)
{
    if (error == noErr)
    {
        return;
    }
    if (strlen(msg) > 0)
    {
        #if TARGET_OS_MAC
            Utils_Macintosh_DisplayMsg(msg);
        #else if TARGET_OS_WIN32
            Utils_Win32_DisplayMsg(msg);
        #endif


        ExitToShell();

    }
}


/************************************************************
*                                                           *
*    CreateAMovie()                                         *
*                                                           *
*    Creates a QuickTime movie with both a sound & video    *
*    track                                                  *
*                                                           *
*************************************************************/

Boolean CreateAMovie (void)
{
    Point where = {100,100};

    Movie theMovie = nil;
    FSSpec mySpec;
    short resRefNum = 0;
    short resId = movieInDataForkResID;
    StringPtr fileName = QTUtils_ConvertCToPascalString(kFileName);
    StringPtr prompt = QTUtils_ConvertCToPascalString(kPrompt);
    Boolean isSelected = false;
    Boolean isReplaceing = false;
    OSErr err = noErr;

        QTFrame_PutFile( prompt, fileName, &mySpec, &isSelected, &isReplaceing);
        if (!isSelected) goto bail;

        // Create and open the movie file, this call creates an empty movie which
        // references the file, and opens the movie file with write permission.

// Step 1.
// Insert "CreateMovieFile.clp" here

        CheckError(err, "CreateMovieFile error");

        // Call our functions to create the video track and the sound track.

// Step 2.
// Build CreateMyVideoTrack function in QTVideo.c
        QTVideo_CreateMyVideoTrack(theMovie);

// Step 3.
// Build CreateMySoundTrack function in QTSound.c
        QTSound_CreateMySoundTrack(theMovie);

        // Add the movie resource to the movie file. We use movieInDataForkResID for the resID.
        // This will add the movie resource to the file's data fork for a single-fork movie file
        // instead of adding the resource to the file's resource fork.

// Step 4.
// Insert "AddMediaResource.clp" here

        CheckError(err, "AddMovieResource error");

        if (resRefNum)
        {
            // Close our open movie file
            CloseMovieFile (resRefNum);
        }

bail:
        free(fileName);
        free(prompt);

        return(QTFrame_OpenMovieInWindow(theMovie, &mySpec));
}


/************************************************************
*                                                           *
*    FUNCTION:  Utils_Macintosh_DisplayMsg                  *
*                                                           *
*    PURPOSE:   Displays Macintosh error messages           *
*                                                           *
*************************************************************/

#if TARGET_OS_MAC
static void Utils_Macintosh_DisplayMsg(char *msg)
{
    DialogPtr theDlog;
    Handle item = NULL;
    Rect box;
    StringPtr theMsg = QTUtils_ConvertCToPascalString(msg);

        theDlog = GetNewDialog(kMsgDialogRsrcID, NULL, (WindowPtr)-1);
        if (theDlog != NULL)
        {
            short itemType;

                GetDialogItem(theDlog, kMsgItemID, &itemType, &item, &box);
                if (item != NULL)
                {
                    short itemHit;

                        SetDialogItemText(item, theMsg);
                        ModalDialog(NULL, &itemHit);
                        DisposeDialog(theDlog);
                }
        }

        free(theMsg);
}
#endif

/************************************************************
*                                                           *
*    FUNCTION:  Utils_Win32_DisplayMsg                      *
*                                                           *
*    PURPOSE:   Displays error messages for Win95/NT sample *
*               code                                        *
*                                                           *
*************************************************************/

#if TARGET_OS_WIN32
static void Utils_Win32_DisplayMsg(char *msg)
{

    MessageBox(NULL, msg, "", MB_OK);
}
#endif