mbuffer.c

AVS视频编解码器 能实现视频图像的高效率压缩 能在ＶＣ上高速运行

/*
***********************************************************************
* COPYRIGHT AND WARRANTY INFORMATION
*
* Copyright 2003, Advanced Audio Video Coding Standard, Part II
*
* DISCLAIMER OF WARRANTY
*
* These software programs are available to the users without any
* license fee or royalty on an "as is" basis. The AVS disclaims
* any and all warranties, whether express, implied, or statutory,
* including any implied warranties of merchantability or of fitness
* for a particular purpose. In no event shall the contributors or 
* the AVS be liable for any incidental, punitive, or consequential
* damages of any kind whatsoever arising from the use of this program.
*
* This disclaimer of warranty extends to the user of this program
* and user's customers, employees, agents, transferees, successors,
* and assigns.
*
* The AVS does not represent or warrant that the program furnished
* hereunder are free of infringement of any third-party patents.
* Commercial implementations of AVS, including shareware, may be
* subject to royalty fees to patent holders. Information regarding
* the AVS patent policy is available from the AVS Web site at
* http://www.avs.org.cn
*
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY.
************************************************************************
*/

/*
*************************************************************************************
* File name: 
* Function: 
*
*************************************************************************************
*/

#include <stdlib.h>
#include <memory.h>
#include <assert.h>

#include "global.h"
#include "mbuffer.h"
#include "memalloc.h"

/*
*************************************************************************
* Function:Allocate memory for frame buffer
* Input:Input Parameters struct inp_par *inp, Image Parameters struct img_par *img
* Output:
* Return: 
* Attention:
*************************************************************************
*/

void init_frame_buffers(InputParameters *inp, ImageParameters *img)
{
  int i;

	//for (i=0;i<img->buf_cycle;i++)
	for (i=0;i<2;i++)
  {
    get_mem2D(&(mref_frm[i]), (img->height+2*IMG_PAD_SIZE)*4, (img->width+2*IMG_PAD_SIZE)*4);
	}

	if(!(input->InterlaceCodingOption == FRAME_CODING)) //add by wuzhongmou 0610
	{
		//for (i=0;i<2*img->buf_cycle;i++)
		for (i=0;i<4;i++)
		{
			get_mem2D(&(mref_fld[i]), (img->height_cr+2*IMG_PAD_SIZE)*4, (img->width+2*IMG_PAD_SIZE)*4);
		}
	}
}