move app files to cmd directory.

Author: noriah

README.md

@@ -46,16 +46,16 @@ git clone https://github.com/noriah/catnip.git
 cd catnip
 
 # build and install catnip
-go install
+go install ./cmd/catnip
 
 # with portaudio
-go install -tags withportaudio
+go install ./cmd/catnip -tags withportaudio
 
 # with fftw3
-go install -tags withfftw
+go install ./cmd/catnip -tags withfftw
 
 # with both portaudio and fftw3
-go install -tags withportaudio,withfftw
+go install ./cmd/catnip -tags withportaudio,withfftw
 ```
 
 ## run it

catnip.go renamed to cmd/catnip/catnip.go

@@ -51,7 +51,6 @@ func catnip(cfg *config) error {
 	// PROCESSOR SETUP
 
 	inputBuffers := input.MakeBuffers(cfg.channelCount, cfg.sampleSize)
-	// visBuffers := input.MakeBuffers(cfg.channelCount, cfg.sampleSize)
 
 	procConfig := processor.Config{
 		SampleRate:   cfg.sampleRate,

config.go renamed to cmd/catnip/config.go

@@ -193,6 +193,9 @@ func (d *Display) inputProcessor() {
 
 			default:
 				switch ev.Ch {
+				case 'i', 'I':
+					d.SetInvertDraw(!d.invertDraw)
+
 				case '+', '=':
 					d.AdjustBase(1)
 
@@ -282,7 +285,7 @@ func (d *Display) fillStyleBuffer(left, center, right int) {
 }
 
 // Draw takes data and draws.
-func (d *Display) Write(bufs [][]float64, channels int, peak float64) error {
+func (d *Display) Write(buffers [][]float64, channels int, peak float64) error {
 
 	scale := 1.0
 	// do some scaling if we are above the PeakThreshold
@@ -308,22 +311,22 @@ func (d *Display) Write(bufs [][]float64, channels int, peak float64) error {
 
 	switch d.drawType {
 	case DrawUp:
-		d.DrawUp(bufs, channels, scale)
+		d.DrawUp(buffers, channels, scale)
 
 	case DrawUpDown:
-		d.DrawUpDown(bufs, channels, scale)
+		d.DrawUpDown(buffers, channels, scale)
 
 	case DrawDown:
-		d.DrawDown(bufs, channels, scale)
+		d.DrawDown(buffers, channels, scale)
 
 	case DrawLeft:
-		d.DrawLeft(bufs, channels, scale)
+		d.DrawLeft(buffers, channels, scale)
 
 	case DrawLeftRight:
-		d.DrawLeftRight(bufs, channels, scale)
+		d.DrawLeftRight(buffers, channels, scale)
 
 	case DrawRight:
-		d.DrawRight(bufs, channels, scale)
+		d.DrawRight(buffers, channels, scale)
 
 	default:
 		return nil

portaudio.go renamed to cmd/catnip/portaudio.go

@@ -93,7 +93,7 @@ func (vis *processor) Start(ctx context.Context) context.Context {
 
 func (vis *processor) Stop() {}
 
-// Process runs one draw refresh with the processor on the termbox screen.
+// Process runs processing on sample sets and calls Write on the output once per sample set.
 func (vis *processor) Process(ctx context.Context, kickChan chan bool, mu *sync.Mutex) {
 
 	if vis.frameRate <= 0 {