armac.h

The OpenMAX DL (Development Layer) APIs contain a comprehensive set of audio, video, signal processi

/**
 * 
 * File Name:  armAC.h
 * OpenMAX DL: v1.0.2
 * Revision:   10586
 * Date:       Wednesday, March 5, 2008
 * 
 * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved.
 * 
 * 
 *   
 * File: armAC.h
 * Brief: Declares API's/Basic Data types used across the OpenMAX Audio domain
 *
 */
 
  
#ifndef _armAC_H_
#define _armAC_H_

#include "omxAC.h"
#include "armCOMM.h"

/*AAC specific Declarations/Definitions*/


#define ARM_AAC_ZERO_HCB                0
#define ARM_AAC_FIRST_PAIR_HCB          5
#define ARM_AAC_NOISE_HCB               13
#define ARM_AAC_INTENSITY_HCB2          14
#define ARM_AAC_INTENSITY_HCB           15
#define ARM_AAC_ESC_HCB                 11
#define ARM_AAC_ESC_FLAG                16

#define ARM_AAC_ONLY_LONG_SEQUENCE      0
#define ARM_AAC_LONG_START_SEQUENCE     1
#define ARM_AAC_EIGHT_SHORT_SEQUENCE    2
#define ARM_AAC_LONG_STOP_SEQUENCE      3
#define ARM_AAC_LTP                     4

#define ARM_AAC_NOISE_OFFSET            90
#define ARM_AAC_INDEX_OFFSET            60
#define ARM_AAC_WIN_SHORT               128
#define ARM_AAC_WIN_LONG                1024

#define ARM_AAC_Q_FACTOR                3
#define ARM_AAC_RAND_MULT               1664525
#define ARM_AAC_RAND_ADD                1013904223


/*MP3 specific Declarations/Definitions*/
#define ARM_MP3_SINGLE_CHANNEL_MODE    (3)
#define ARM_MP3_MAIN_BEGIN_LEN1        (9)
#define ARM_MP3_MAIN_BEGIN_LEN2        (8)
#define ARM_MP3_PRIV_SINGLE_LEN1       (5)
#define ARM_MP3_PRIV_SINGLE_LEN2       (1)
#define ARM_MP3_PRIV_NOTSINGLE_LEN1    (3)
#define ARM_MP3_PRIV_NOTSINGLE_LEN2    (2)

#define ARM_MP3_WINDOW_SZ              (36)
#define ARM_MP3_SHORTBLOCK_SZ          (12)
#define ARM_MP3_LONGBLOCK_SZ           (36)
#define ARM_MP3_SUBBAND_SZ             (18)
#define ARM_MP3_NO_OF_SUBBANDS         (32)
#define ARM_MP3_ALIAS_BFLY_NOS         (8)
#define ARM_MP3_MAX_NUM_CHANNEL        (2) 
#define ARM_MP3_JOINT_STEREO_MODE      (1) 
#define ARM_MP3_SQUARROOT              (1.4142135623730950488016887242097) 
#define ARM_MP3_SINGLE_CHANNEL_MODE    (3)
#define ARM_MP3_LONG_SFB_TABLE_SZ      (23)
#define ARM_MP3_SHORT_SFB_TABLE_SZ     (14)
#define ARM_MP3_PQMF_SZ                (32)
#define ARM_MP3_VBUFFER_SZ             (512)
#define ARM_MP3_HUFF_ESCAPE_CODE       (15)

#endif /*_armAC_H_*/

/*End of file*/