update

ffmpeg on mac seems to have an issue right now. it has to do with the
read timeout.

Author: noriah

CatnipJulia/src/run_catnip.jl

@@ -1,5 +1,5 @@
 using Colors
-using DataStructures: CircularBuffer
+using DataStructures
 using GLMakie
 
 set_theme!(theme_black())
@@ -15,17 +15,20 @@ GLMakie.activate!(;
 )
 
 function run_catnip(; timeout=false)
+  println("Start")
   # 6 seconds at 60 samples per second out of catnip
   numSets = 300
   # numSets = 120
 
   fig = Figure(fontsize=14; size=(1200, 888))
-  ax1 = Axis3(fig[1, 1]; aspect=(2, 1, 0.25), elevation=pi / 6, perspectiveness=0.5)
+  ax1 = Axis3(fig[1, 1]; aspect=(2, 1, 0.25), elevation=2pi / 5, perspectiveness=0.5, azimuth=0)
 
   hidedecorations!(ax1)
   hidespines!(ax1)
 
-  data = CircularBuffer{Vector{Float64}}(numSets)
+  println("Allocate")
+
+  data = DataStructures.CircularBuffer{Vector{Float64}}(numSets)
 
   push!(data, [0.0, 0.0])
   push!(data, [0.0, 0.0])
@@ -77,7 +80,8 @@ function run_catnip(; timeout=false)
     # end
 
     for j = 0:bars-1
-      d[idx+(j*sets)] = 100.0
+      d[1+(j*sets)] = 100.0
+      # d[idx+(j*sets)] = 100.0
     end
 
     d[idx] = 0.0
@@ -103,14 +107,16 @@ function run_catnip(; timeout=false)
   # mymagma = GLMakie.to_colormap(:BuPu_9)
   mymagma[1] = RGBA(0.0,0.0,0.0,0.0)
 
-  command = `catnip -d spotify -r 122880 -n 2048 -sas 6 -sf 45 -i -nw -nwb 81`
+  command = `catnip -d 4:VisOut -r 122880 -n 2048 -sas 6 -sf 45 -i -nw -nwb 81`
   # command = `catnip -d "Google Chrome" -r 122880 -n 2048 -sas 6 -sf 45 -i -nw -nwb 60`
   #command = `go run ./cmd/catnip -d spotify -r 122880 -n 2048 -sas 5 -sf 45 -i -nw -nwb 50`
 
 
   try
+    println("Open StdOut")
     open(command, "r", stdout) do io
       count = 0
+      println("Loop")
       while count < numSets + 2
         count += 1
 

cmd/catnip/main.go

@@ -59,7 +59,7 @@ func main() {
 	} else {
 		writer := NewWriter()
 		writer.Init(cfg.sampleRate, cfg.sampleSize)
-    writer.SetBinCount(cfg.numberWriterBins)
+		writer.SetBinCount(cfg.numberWriterBins)
 		writer.SetInvertDraw(cfg.invertDraw)
 		output = writer
 	}
@@ -84,7 +84,7 @@ func main() {
 			SampleRate:    cfg.sampleRate,
 			SampleSize:    cfg.sampleSize,
 			SquashLow:     true,
-			SquashLowOld:  false,
+			SquashLowOld:  true,
 			DontNormalize: cfg.dontNormalize,
 			BinMethod:     dsp.MaxSampleValue(),
 		}),

dsp/analyzer.go

@@ -127,9 +127,9 @@ func (az *analyzer) ProcessBin(idx int, src []complex128) float64 {
 		fftCeil = az.fftSize
 	}
 
-	if fftFloor >= fftCeil {
-		fftFloor = fftCeil - 1
-	}
+	// if fftFloor >= fftCeil {
+	// 	fftFloor = fftCeil - 1
+	// }
 
 	src = src[fftFloor:fftCeil]
 	mag := 0.0
@@ -143,7 +143,7 @@ func (az *analyzer) ProcessBin(idx int, src []complex128) float64 {
 		// squash the low low end a bit.
 		if az.cfg.SquashLowOld {
 			if f := az.freqToIdx(400.0, math.Floor); fftFloor < f {
-				mag *= 0.55 * (float64(fftFloor+1) / float64(f))
+				mag *= 0.65 * (float64(fftFloor+1) / float64(f))
 			}
 		} else {
 			if f := az.freqToIdx(1000.0, math.Floor); fftFloor < f {

input/ffmpeg/avfoundation.go

@@ -64,7 +64,7 @@ func (p AVFoundation) Devices() ([]input.Device, error) {
 
 		// If we're not scanning a device (which starts with a square bracket)
 		// anymore, then we stop.
-		if !strings.HasPrefix(text, "[") {
+		if !strings.HasPrefix(text, "[") || strings.HasPrefix(text, "[in") {
 			audio = false
 			continue
 		}