setVideoEffectFloatParam

Sets the float parameter for video effects.

virtual int setVideoEffectFloatParam(const char* option, const char* key, float param) = 0;
Since:
Available since v4.6.0.

Restrictions

None.

Parameters

option
The category of the parameter option.
key
The key name of the parameter.
param
The float value to set.

Returns

  • 0: Success.
  • < 0: Failure.