[occt.git] / src / Media / Media_BufferPool.hxx

// Created by: Kirill GAVRILOV
// Copyright (c) 2019 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _Media_BufferPool_HeaderFile
#define _Media_BufferPool_HeaderFile

#include <Standard_Transient.hxx>
#include <Standard_Type.hxx>

struct AVBufferPool;
struct AVBufferRef;

//! AVBufferPool wrapper.
class Media_BufferPool : public Standard_Transient
{
  DEFINE_STANDARD_RTTIEXT(Media_BufferPool, Standard_Transient)
public:

  //! Empty constructor
  Standard_EXPORT Media_BufferPool();

  //! Destructor
  Standard_EXPORT ~Media_BufferPool();

  //! Release the pool (reference-counted buffer will be released when needed).
  Standard_EXPORT void Release();

  //! (Re-)initialize the pool.
  Standard_EXPORT bool Init (int theBufferSize);

  //! Return buffer size within the pool.
  int BufferSize() const { return myBufferSize; }

  //! Get new buffer from the pool.
  Standard_EXPORT AVBufferRef* GetBuffer();

private:

  // prevent copies
  Media_BufferPool           (const Media_BufferPool& theCopy);
  Media_BufferPool& operator=(const Media_BufferPool& theCopy);

protected:

  AVBufferPool* myPool;
  int           myBufferSize;

};

#endif // _Media_BufferPool_HeaderFile
Commit	Line	Data
98e6c6d1	1	// Created by: Kirill GAVRILOV
	2	// Copyright (c) 2019 OPEN CASCADE SAS
	3	//
	4	// This file is part of Open CASCADE Technology software library.
	5	//
	6	// This library is free software; you can redistribute it and/or modify it under
	7	// the terms of the GNU Lesser General Public License version 2.1 as published
	8	// by the Free Software Foundation, with special exception defined in the file
	9	// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
	10	// distribution for complete text of the license and disclaimer of any warranty.
	11	//
	12	// Alternatively, this file may be used under the terms of Open CASCADE
	13	// commercial license or contractual agreement.
	14
	15	#ifndef _Media_BufferPool_HeaderFile
	16	#define _Media_BufferPool_HeaderFile
	17
	18	#include <Standard_Transient.hxx>
	19	#include <Standard_Type.hxx>
	20
	21	struct AVBufferPool;
	22	struct AVBufferRef;
	23
	24	//! AVBufferPool wrapper.
	25	class Media_BufferPool : public Standard_Transient
	26	{
	27	DEFINE_STANDARD_RTTIEXT(Media_BufferPool, Standard_Transient)
	28	public:
	29
	30	//! Empty constructor
	31	Standard_EXPORT Media_BufferPool();
	32
	33	//! Destructor
	34	Standard_EXPORT ~Media_BufferPool();
	35
	36	//! Release the pool (reference-counted buffer will be released when needed).
	37	Standard_EXPORT void Release();
	38
	39	//! (Re-)initialize the pool.
	40	Standard_EXPORT bool Init (int theBufferSize);
	41
	42	//! Return buffer size within the pool.
	43	int BufferSize() const { return myBufferSize; }
	44
	45	//! Get new buffer from the pool.
	46	Standard_EXPORT AVBufferRef* GetBuffer();
	47
	48	private:
	49
	50	// prevent copies
	51	Media_BufferPool (const Media_BufferPool& theCopy);
	52	Media_BufferPool& operator=(const Media_BufferPool& theCopy);
	53
	54	protected:
	55
	56	AVBufferPool* myPool;
	57	int myBufferSize;
	58
	59	};
	60
	61	#endif // _Media_BufferPool_HeaderFile