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feat(06-02): add freqCfgs parameter to RunSynthesis

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- Change RunSynthesis signature to accept injected config map (D-10)
- Replace hardcoded synth.ClassFreqConfigs with passed-in freqCfgs
- Update all three RunSynthesis calls in encode tests to pass synth.ClassFreqConfigs
This commit is contained in:
gurix
2026-03-26 21:02:35 +01:00
parent 936aeeafd8
commit 3dfcbbeaf5
2 changed files with 6 additions and 5 deletions
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encode/mp3.go
+3 -2
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@@ -41,9 +41,10 @@ func EncodeMP3(outputPath string, frames [][2]float64, sampleRate int) error {
// RunSynthesis consumes a slice of WindowSnapshots, renders audio via OscillatorBank, // RunSynthesis consumes a slice of WindowSnapshots, renders audio via OscillatorBank,
// and encodes to MP3 at outputPath. // and encodes to MP3 at outputPath.
// freqCfgs is the merged config map from config.Load (D-10: injected, not hardcoded).
// Returns an error if zero packets were captured (D-16 / OUT-03). // Returns an error if zero packets were captured (D-16 / OUT-03).
// The zero-packet guard runs BEFORE file creation to avoid leaving an empty file on disk. // The zero-packet guard runs BEFORE file creation to avoid leaving an empty file on disk.
func RunSynthesis(snapshots []classify.WindowSnapshot, outputPath string) error { func RunSynthesis(snapshots []classify.WindowSnapshot, outputPath string, freqCfgs map[classify.TrafficClass]synth.FreqConfig) error {
// D-16 / OUT-03: Zero-packet guard — check BEFORE creating output file // D-16 / OUT-03: Zero-packet guard — check BEFORE creating output file
var totalPackets int64 var totalPackets int64
for _, snap := range snapshots { for _, snap := range snapshots {
@@ -54,7 +55,7 @@ func RunSynthesis(snapshots []classify.WindowSnapshot, outputPath string) error
} }
// Render all windows to stereo frames // Render all windows to stereo frames
bank := synth.NewBank(1.0, synth.ClassFreqConfigs) // tau=1.0s per D-07 bank := synth.NewBank(1.0, freqCfgs) // tau=1.0s per D-07
var allFrames [][2]float64 var allFrames [][2]float64
for _, snap := range snapshots { for _, snap := range snapshots {
frames := bank.RenderWindow(snap) frames := bank.RenderWindow(snap)
encode/mp3_test.go
+3 -3
View File
@@ -53,7 +53,7 @@ func TestMP3Valid(t *testing.T) {
tmpFile.Close() tmpFile.Close()
defer os.Remove(tmpPath) defer os.Remove(tmpPath)
if err := RunSynthesis(snaps, tmpPath); err != nil { if err := RunSynthesis(snaps, tmpPath, synth.ClassFreqConfigs); err != nil {
t.Fatalf("RunSynthesis: %v", err) t.Fatalf("RunSynthesis: %v", err)
} }
@@ -98,7 +98,7 @@ func TestZeroPacketError(t *testing.T) {
tmpPath := "/tmp/netsynth-should-not-exist-" + t.Name() + ".mp3" tmpPath := "/tmp/netsynth-should-not-exist-" + t.Name() + ".mp3"
defer os.Remove(tmpPath) defer os.Remove(tmpPath)
err := RunSynthesis([]classify.WindowSnapshot{}, tmpPath) err := RunSynthesis([]classify.WindowSnapshot{}, tmpPath, synth.ClassFreqConfigs)
if err == nil { if err == nil {
t.Fatal("expected error for empty snapshot slice, got nil") t.Fatal("expected error for empty snapshot slice, got nil")
} }
@@ -118,7 +118,7 @@ func TestZeroPacketError(t *testing.T) {
{Counts: map[classify.TrafficClass]int64{}, TotalPackets: 0, WindowIndex: 0}, {Counts: map[classify.TrafficClass]int64{}, TotalPackets: 0, WindowIndex: 0},
{Counts: map[classify.TrafficClass]int64{}, TotalPackets: 0, WindowIndex: 1}, {Counts: map[classify.TrafficClass]int64{}, TotalPackets: 0, WindowIndex: 1},
} }
err2 := RunSynthesis(zeroSnaps, tmpPath2) err2 := RunSynthesis(zeroSnaps, tmpPath2, synth.ClassFreqConfigs)
if err2 == nil { if err2 == nil {
t.Fatal("expected error for zero-packet snapshots, got nil") t.Fatal("expected error for zero-packet snapshots, got nil")
} }