public SpectrumVideoCanvas(SpectrumVideoSource source, SpectrumVideoCanvasConfig config, IOutputProvider outputProvider) { //Set width = config.video_output.width; label = config.label; decimation = config.baseband.decimation; frameRate = config.video_output.frameRate; this.outputProvider = outputProvider; this.source = source; //Create IQ decimator and oscilator oscillator = new Oscillator(SampleRate, config.baseband.freqOffset); decimator = new ComplexDecimator(SampleRate, DecimatedSampleRate, config.baseband.decimation, config.baseband.decimationAttenuation, DecimatedSampleRate * config.baseband.decimationTransitionRatio); //Create all audio resources foreach (var o in config.audio_outputs) { AddResource(new AudioResource(o, this)); } //Create all components components = new SpectrumVideoComponent[config.components.Count]; componentOffsets = new int[config.components.Count]; for (int i = 0; i < components.Length; i++) { components[i] = ComponentFactory.MakeComponent(this, config.components[i]); } //Get the image dimensions by calculating the total height height = 0; for (int i = 0; i < components.Length; i++) { componentOffsets[i] = height * ImageWidth; height += components[i].Height; } //Create misc videoOutput = outputProvider.GetVideoOutput(config.video_output.filename, ImageWidth, ImageHeight, config.video_output.frameRate, BufferSize); frameBuffer = UnsafeBuffer.Create(ImageWidth * ImageHeight, out frameBufferPtr); buffer = UnsafeBuffer.Create(BufferSize, out bufferPtr); textGenerator = FontStore.CreateRenderer(ImageWidth, ImageHeight); //Fill the entire canvas with black for (int i = 0; i < ImageWidth * ImageHeight; i++) { frameBufferPtr[i] = new UnsafeColor(0, 0, 0); } //Init all components for (int i = 0; i < components.Length; i++) { components[i].Init(); components[i].InitFrame(frameBufferPtr + componentOffsets[i]); } }