Table of Content
5.1.Audio Object Additional Configuration
This is the first method called by the framework to the object after its properties are setup according to the signal flow configuration. This method allows the object the opportunity to setup its configuration. The framework retrieves the additional configuration data the object is expecting from the signal flow file and sets these two audio object variables:
- m_AdditionalSFDConfig – this is a void pointer that holds the additional configuration data
- m_SizeofAdditionalVars – this variable will contain the size (in bytes) of the additional data
The object is then responsible for configuring its internal states based on this data provided. The API to implement is:
void assignAdditionalConfig()
{
}
An example is provided below for the delay audio object.
In the toolbox configuration, the delay object specifies it has the following 2 additional configuration variables:
typedef struct AdditionalConfigs
{
xFloat32 crossFadingDuration; ///< first additional config param == Crossfading duration
xUInt8 cntrlInputEnable; ///< second additional config param == Control input mode (disabled, oneSet, multiset)
}So, accordingly, this is the data it expects as the output from the tool once the signal flow is designed.
The endianness of this additional configuration data is passed to the object in little endian format.
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