PrepareStream.h

/*******************************************************************************************
 *	File:			PrepareStream.h
 *
 *	Contains:		definitions for high level stream playback preparation
 *
 *	Written by:		Joe Buczek
 *
 *	Copyright © 1993 The 3DO Company. All Rights Reserved.
 *
 *	History:
 *	10/20/93		jb		New today
 *
 *******************************************************************************************/

#ifndef	_PREPARESTREAM_H_
#define	_PREPARESTREAM_H_

#ifndef _TYPES_H
#include "Types.h"
#endif

#include "DataStreamLib.h"

#ifndef _DSSTREAMHEADER_H_
#include "DSStreamHeader.h"
#endif

/* Size of the buffer we use to read the start of the stream file.
 * For now, we require that the stream header, if present, be located
 * at the very first byte of the file. This may get better, eventually.
 */
#define	FIND_HEADER_BUFFER_SIZE		2048

/***************/
/* Error codes */
/***************/
typedef enum {
	kPSVersionErr			= -2001,
	kPSMemFullErr			= -2002,
	kPSUnknownSubscriber	= -2003,
	kPSHeaderNotFound		= -2004
	};

/*****************************/
/* Public routine prototypes */
/*****************************/

int32			FindAndLoadStreamHeader( DSHeaderChunkPtr headerPtr, char *streamFileName );
DSDataBufPtr	CreateBufferList( long numBuffers, long bufferSize );

#endif	/* _PREPARESTREAM_H_ */