/** Listens for the {@link agora_gaming_rtc.VideoRawDataManager.OnRenderVideoFrameHandler OnRenderVideoFrameHandler} delegate.
*
* @param action The implementation of the `OnRenderVideoFrameHandler` delegate.
*
* @return
* - 0: Success.
* - < 0: Failure.
*/
public override int SetOnRenderVideoFrameCallback(OnRenderVideoFrameHandler action)
{
if (_irtcEngine == null)
{
return((int)ERROR_CODE.ERROR_NOT_INIT_ENGINE);
}
if (action == null)
{
OnRenderVideoFrame = null;
IRtcEngineNative.initEventOnRenderVideoFrame(null);
}
else
{
OnRenderVideoFrame = action;
IRtcEngineNative.initEventOnRenderVideoFrame(OnRenderVideoFrameCallback);
}
return((int)ERROR_CODE.ERROR_OK);
}