aaccmn_chmap.h

来自「这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数」· C头文件 代码 · 共 96 行

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __AACCMN_CHMAP_H
#define __AACCMN_CHMAP_H

#include "mp4cmn_pce.h"
#include "aaccmn_adts.h"

enum eChMapOrder{
    CH_START        = 0,    /// Start offset
    CH_LIMIT        = 0x20, /// Max number of channel for each type
  /* Channels order */
    CH_FRONT        = 0,
    CH_LF,
    CH_SIDE,
    CH_BACK,
    /********************/
    CH_FRONT_CENTER     = CH_START + CH_FRONT*CH_LIMIT,
    CH_FRONT_LEFT,
//    CH_FRONT_LEFT       = CH_START + CH_FRONT*CH_LIMIT,
    CH_FRONT_RIGHT,
//    CH_FRONT_CENTER     = CH_START + (CH_FRONT+1)*CH_LIMIT - 1,
    /********************/
    CH_SIDE_LEFT        = CH_START + CH_SIDE*CH_LIMIT,
  CH_SIDE_RIGHT,
    /********************/
    CH_BACK_LEFT        = CH_START + CH_BACK*CH_LIMIT,
    CH_BACK_RIGHT,
    CH_BACK_CENTER      = CH_START + (CH_BACK+1)*CH_LIMIT - 1,
    /********************/
    CH_LOW_FREQUENCY    = CH_START + CH_LF*CH_LIMIT,

    CH_SURROUND_LEFT    = CH_BACK_LEFT,
    CH_SURROUND_RIGHT   = CH_BACK_RIGHT,
    CH_SURROUND_CENTER  = CH_BACK_CENTER,

    CH_OUTSIDE_LEFT     = CH_SIDE_LEFT,
    CH_OUTSIDE_RIGHT    = CH_SIDE_RIGHT,

/*
  CH_TOP_CENTER,
  CH_TOP_FRONT_LEFT,
  CH_TOP_FRONT_CENTER,
  CH_TOP_FRONT_RIGHT,
  CH_TOP_BACK_LEFT,
  CH_TOP_BACK_CENTER,
  CH_TOP_BACK_RIGHT,
*/
  CH_RESERVED,
  CH_MAX = 10
};

enum eChMap
{
  EL_ID_MAX   = 4, /* Max elements id that is used in channel map*/
  EL_TAG_MAX  = 16,
  EL_MAP_SIZE  = 16
};

typedef struct
{
    short       key;
    short       ch;
} sCh_map_item;

typedef struct
{
    short       id;
    short       tag;
    short       ch;
} sEl_map_item;


#ifdef  __cplusplus
extern "C" {
#endif

void chmap_create_by_pce(sProgram_config_element* p_pce,sCh_map_item map[EL_ID_MAX][EL_TAG_MAX]);
int  chmap_create_by_adts(int channel_configuration,sCh_map_item chmap[EL_ID_MAX][EL_TAG_MAX],sEl_map_item elmap[],int el_num,int order[]);
int  chmap_order(sCh_map_item chmap[EL_ID_MAX][EL_TAG_MAX],sEl_map_item elmap[],int el_num,int order[]);


#ifdef  __cplusplus
}
#endif

#endif//__AACCMN_CHMAP_H