Table of Content

Audio Object Developers Guide

  1. Purpose of this Document
    1. Terms and Abbreviations
    2. Requirements
  2. Overview
    1. Audio Object Workflow
    2. Audio Object Class
  3. Audio Object Configuration
    1. Design Time Configuration
    2. Advanced Design Time Configuration
  4. Basic Features and APIs
    1. Constructor
    2. GetSize
    3. Init
    4. Calc
    5. TuneXTP
    6. Control
  5. Advanced Features and APIs
    1. Audio Object Additional Configuration
    2. Audio Object Sub Blocks
    3. Audio Object AO Switch Processing State
    4. Debug and Monitoring
    5. Background Method
  6. Audio object Examples
    1. Example 1 - AwxAudioObjExt.cpp
    2. Example 2 - AwxAudioObjExtToolbox.cpp
    3. Example 3 - AwxAudioObjExtMemRecs.cpp
    4. Example 4 - AwxAudioObjExt.h
    5. Example 5 - AwxAudioObjExtToolbox.h
    6. Example 6 - AwxAudioObjExtMemRecs.h
  7. General Guidelines
    1. Hardware Abstraction
    2. Hardware Abstraction for Header files
    3. Memory Enums
    4. Overlays
  8. Adding external audio object into AudioworX package
    1. Building External AO

Device Description File

  1. Terms and Abbreviations
  2. Purpose of this Document
  3. Root Element
  4. Node Elements
    1. Communication Parameters
    2. Identification of Target Device
  5. Virtual Device
  6. Objects
    1. Object
    2. Definition of a Table Object
    3. Definition of a Biquad Coefficients Object
  7. StateVariables
    1. Common
    2. NumericalSV
    3. EnumSV
    4. FilterTypeSV
    5. FloatArraySV
    6. Float16ArraySV
    7. FixedPoint16ArraySV
    8. StringSV
    9. FixedPointM_NArraySV
  8. TargetValue
    1. Common
    2. Target Value
    3. Block Target Value
  9. Templates
    1. StateVariables
  10. Revision History

Griffin Reference Projects User Guide

  1. Terms and Abbreviations
    1. Multi dll support for CAO
    2. Tuning Panel Compound Audio Object
  2. Purpose Of This Document
    1. Apply tuning to Compound Audio Object Template
    2. Testing New Post 2025

6.3.Example 3 - AwxAudioObjExtMemRecs.cpp 

/*!
*   file      AwxiAudioObjExtMemRecs.cpp
*   brief     Memory related description Source file
*   details   Implements the audio object memory related API
*   details   Project    Extendable Audio Framework
*   copyright Harman/Becker Automotive Systems GmbH
*   
       2020
*   
       All rights reserved
*   author    xAF Team
*/

/*!
*   include files required to request the dynamic memory
*/
#include "AwxAudioObjExtMemRecs.h"

xUInt8 CAwxAudioObjExtMemRecs::getMemRecords(xAF_memRec* memTable, xAF_memRec& scratchRecord, xInt8 target, xInt8 format)
{
	xUInt8 numMemRecords = (static_cast(ENABLE_BLOCK) == m_EnMemory) ? static_cast(NUM_MEM_RECORDS) : static_cast(FLOATARRAY);
	//m_Param memory
    memTable[PARAM].alignment = 4;
    memTable[PARAM].size = static_cast(static_cast(m_NumAudioIn) * NUM_PARAMS_PER_CHANNEL * sizeof(xFloat32));
	memTable[PARAM].label = "Tuning Parameters";

	//m_Coeff memory
    memTable[COEFF].size = static_cast(static_cast(m_NumAudioIn) * sizeof(xFloat32));
	memTable[COEFF].alignment = 4;
	memTable[COEFF].label = "Gain Values";

	//m_MemBlck memory(Abstracted Tuning Memory)
	if (static_cast(ENABLE_BLOCK) == m_EnMemory)
	{
		memTable[FLOATARRAY].size = FLOAT_ARRAY_SIZE * sizeof(xFloat32);
		memTable[FLOATARRAY].alignment = 4;
		memTable[FLOATARRAY].label = "Abstracted Tuning Memory values";
	}
    return numMemRecords;
}
Last updated on October 24, 2024
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