QDMediaCommon.h

//////////
//
//  File:       QDMediaCommon.h
//
//  Contains:   Header file for things common to QuickDraw media handler and media creator.
//
//  Written by: Tim Monroe
//
//  Copyright:  © 1999 by Apple Computer, Inc., all rights reserved.
//
//  Change History (most recent first):
//
//     <1>      01/14/99    rtm     
//     
//////////
 
#ifndef __QDMEDIACOMMON__
#define __QDMEDIACOMMON__
 
 
//////////
//
// compiler flags
//
//////////
 
#define HANDLER_SWAPS_SAMPLE_DESC       0           // does handler implement _SampleDescriptionB2N/N2B?
 
 
//////////
//
// constants
//
//////////
 
#define kQDMH_MediaType                 'Qdrw'
#define kQDMH_Version                   0x00010001
#define kQDMH_ComponentManufacturer     'WANG'      // component manufacturer
 
// resource IDs
#define kQDMH_ComponentResID            1000        // ID of media handler 'thng' and code resources
#define kQDMH_NameStringResID           1000        // ID of codec name resource
#define kQDMH_InfoStringResID           1001        // ID of codec info string resource
#define kQDMH_IconResID                 1000        // ID of codec icon resource
 
 
// resource names
#define kQDMH_Name                      "QuickDraw Media Handler"
 
 
#ifndef REZ
//////////
//
// data types
//
//////////
 
#if PRAGMA_STRUCT_ALIGN
    #pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
    #pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
    #pragma pack(2)
#endif
 
typedef struct QDrawDescription {
    long                            size;                   // total size of QDrawDescription
    long                            type;                   // QDrawMediaType
    long                            resvd1;
    short                           resvd2;
    short                           dataRefIndex;
    long                            version;                // the version of this data
} QDrawDescription, *QDrawDescriptionPtr, **QDrawDescriptionHandle;
 
#if PRAGMA_STRUCT_ALIGN
    #pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
    #pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
    #pragma pack()
#endif
 
#endif  // #ifndef REZ
 
#endif  // #ifndef __QDMEDIACOMMON__