//////////

//

//  File:       QTDataRef.h

//

//  Contains:   Sample code for working with data references and data handlers.

//

//  Written by: Tim Monroe

//

//  Copyright:  © 2000 by Apple Computer, Inc., all rights reserved.

//

//  Change History (most recent first):

//     

//     <1>      05/19/00    rtm     first file

//

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#pragma once

#include <Movies.h>

#include <string.h>

#include <stdlib.h>

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//

// header files

//

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#include "ComApplication.h"

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//

// compiler flags

//

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#define USE_ADDEMPTYTRACKTOMOVIE    0           // do we use AddEmptyTrackTOMovie when building a reference movie file?

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//

// constants

//

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#define kGetURL_DLOGID              1001

#define kGetURL_OKButton            1

#define kGetURL_CancelButton        2

#define kGetURL_URLTextItem         3

#define kGetURL_URLLabelItem        4

#define kTextKindsResourceID        1001

#define kOpenURLResIndex            1

#define kCopyFileResIndex           2

#define kURLCopySavePrompt          "Save URL as:"

#define kURLCopySaveFileName        "untitled.mov"

#define kRefMovieSavePrompt         "Save reference movie as:"

#define kRefMovieSaveFileName       "untitled.mov"

#define kRefMediaSavePrompt         "Save media file as:"

#define kRefMediaSaveFileName       "untitled.dat"

#define kWindowTitle                "RAM Movie"

#define kQTDRResourceMovieResType   FOUR_CHAR_CODE('RTMd')

#define kQTDRResourceMovieResID     128

#define kURLSeparator               (char)'/'       // URL path separator

#define kDataBufferSize             1024*10         // the size, in bytes, of our data buffer

// type and creator for the transferred file

#define kTransFileType              FOUR_CHAR_CODE('TEXT')

#define kTransFileCreator           FOUR_CHAR_CODE('CWIE')

#define kQTDR_TimeOut               10

#define kVideoTimeScale             600                         // 600 units per second

#define kVideoFrameDuration         kVideoTimeScale/10          // each frame is 1/10 second

#define kVideoTrackHeight           202

#define kVideoTrackWidth            152

#define kPixelDepth                 32                          // 32 bits per pixel

#define kNumVideoFrames             100

#define kPictureID                  128

#define kPICTFileHeaderSize         512

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//

// function prototypes

//

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Handle                          QTDR_MakeFileDataRef (FSSpecPtr theFile);

Handle                          QTDR_MakeResourceDataRef (FSSpecPtr theFile, OSType theResType, SInt16 theResID);

Handle                          QTDR_MakeHandleDataRef (Handle theHandle);

Handle                          QTDR_MakeURLDataRef (char *theURL);

Movie                           QTDR_GetMovieFromFile (FSSpecPtr theFile);

Movie                           QTDR_GetMovieFromResource (FSSpecPtr theFile, OSType theResType, SInt16 theResID);

Movie                           QTDR_GetMovieFromHandle (Handle theHandle);

Movie                           QTDR_GetMovieFromURL (char *theURL);

char *                          QTDR_GetURLFromUser (short thePromptStringIndex);

char *                          QTDR_GetURLBasename (char *theURL);

OSErr                           QTDR_AddFilenamingExtension (Handle theDataRef, StringPtr theFileName);

OSErr                           QTDR_AddMacOSFileTypeDataRefExtension (Handle theDataRef, OSType theType);

OSErr                           QTDR_AddMIMETypeDataRefExtension (Handle theDataRef, StringPtr theMIMEType);

OSErr                           QTDR_AddInitDataDataRefExtension (Handle theDataRef, Ptr theInitDataPtr);

OSErr                           QTDR_CopyRemoteFileToLocalFile (char *theURL, FSSpecPtr theFile);

PASCAL_RTN void                 QTDR_ReadDataCompletionProc (Ptr theRequest, long theRefCon, OSErr theErr);

PASCAL_RTN void                 QTDR_WriteDataCompletionProc (Ptr theRequest, long theRefCon, OSErr theErr);

void                            QTDR_CloseDownHandlers (void);

#if TARGET_OS_WIN32

void CALLBACK                   QTDR_TimerProc (HWND theWnd, UINT theMessage, UINT theID, DWORD theTime);

#endif

OSErr                           QTDR_CreateReferenceCopy (Movie theSrcMovie, FSSpecPtr theDstMovieFile, FSSpecPtr theDstMediaFile);

OSErr                           QTDR_PlayMovieFromRAM (Movie theMovie);

OSErr                           QTDR_CreateMovieInRAM (void);

static OSErr                    QTDR_AddVideoSamplesToMedia (Media theMedia, short theTrackWidth, short theTrackHeight);

static void                     QTDR_DrawFrame (short theTrackWidth, short theTrackHeight, long theNumSample, GWorldPtr theGWorld);