mbuffer.c

avs-s最新代码,包括编码器和解码器源码

/*
*****************************************************************************
* COPYRIGHT AND WARRANTY INFORMATION
*
* Copyright 2003, Advanced Audio Video Coding Standard, Part II
*
* DISCLAIMER OF WARRANTY
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations under
* the License.
*                     
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY.
* The AVS Working Group doesn't represent or warrant that the programs
* furnished here under 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 for standardization procedure is available at 
* AVS Web site http://www.avs.org.cn. Patent Licensing is outside
* of AVS Working Group.
*
* The Original Code is Reference Software for China National Standard 
* GB/T 20090.2-2006 (short for AVS-P2 or AVS Video) at version RM52J.
*
* The Initial Developer of the Original Code is Video subgroup of AVS
* Workinggroup (Audio and Video coding Standard Working Group of China).
* Contributors:   Guoping Li,    Siwei Ma,    Jian Lou,    Qiang Wang , 
*   Jianwen Chen,Haiwu Zhao,  Xiaozhen Zheng, Junhao Zheng, Zhiming Wang
* 
******************************************************************************
*/


/*
*************************************************************************************
* 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;

  //Modified by qihuafei, 20070927
  if (input->InterlaceCodingOption == FRAME_CODING)
  {	
	  //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);
	 }

#ifdef COREFRAME
	  for (i=0;i<16;i++)
	  {
		  get_mem2D(&(core_frame_mref_frm[i]), (img->height+2*IMG_PAD_SIZE)*4, (img->width+2*IMG_PAD_SIZE)*4);
	 }	  
#endif

#ifdef BACKGROUND
	get_mem2D(&(mref_background), (img->height+2*IMG_PAD_SIZE)*4, (img->width+2*IMG_PAD_SIZE)*4);
#endif
  } 
  else
  {
	//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);
	 }

#ifdef COREFRAME
	for (i=0;i<32;i++)
	 {
		get_mem2D(&(core_frame_mref_fld[i]), (img->height_cr+2*IMG_PAD_SIZE)*4, (img->width+2*IMG_PAD_SIZE)*4);
	 }
#endif

  }
}