go : Enable VAD for Go bindings (#3563)

* reset context.n so that NextSegment can be called for multiple Process calls

* enable VAD params

Author: joshmux

bindings/go/params.go

@@ -47,6 +47,38 @@ func (p *Params) SetPrintTimestamps(v bool) {
 	p.print_timestamps = toBool(v)
 }
 
+// Voice Activity Detection (VAD)
+func (p *Params) SetVAD(v bool) {
+	p.vad = toBool(v)
+}
+
+func (p *Params) SetVADModelPath(path string) {
+	p.vad_model_path = C.CString(path)
+}
+
+func (p *Params) SetVADThreshold(t float32) {
+	p.vad_params.threshold = C.float(t)
+}
+
+func (p *Params) SetVADMinSpeechMs(ms int) {
+	p.vad_params.min_speech_duration_ms = C.int(ms)
+}
+
+func (p *Params) SetVADMinSilenceMs(ms int) {
+	p.vad_params.min_silence_duration_ms = C.int(ms)
+}
+
+func (p *Params) SetVADMaxSpeechSec(s float32) {
+	p.vad_params.max_speech_duration_s = C.float(s)
+}
+
+func (p *Params) SetVADSpeechPadMs(ms int) {
+	p.vad_params.speech_pad_ms = C.int(ms)
+}
+
+func (p *Params) SetVADSamplesOverlap(sec float32) {
+	p.vad_params.samples_overlap = C.float(sec)
+}
 
 // Set language id
 func (p *Params) SetLanguage(lang int) error {

bindings/go/pkg/whisper/context.go

@@ -80,6 +80,39 @@ func (context *context) SetTranslate(v bool) {
 	context.params.SetTranslate(v)
 }
 
+// Voice Activity Detection (VAD)
+func (context *context) SetVAD(v bool) {
+	context.params.SetVAD(v)
+}
+
+func (context *context) SetVADModelPath(path string) {
+	context.params.SetVADModelPath(path)
+}
+
+func (context *context) SetVADThreshold(t float32) {
+	context.params.SetVADThreshold(t)
+}
+
+func (context *context) SetVADMinSpeechMs(ms int) {
+	context.params.SetVADMinSpeechMs(ms)
+}
+
+func (context *context) SetVADMinSilenceMs(ms int) {
+	context.params.SetVADMinSilenceMs(ms)
+}
+
+func (context *context) SetVADMaxSpeechSec(s float32) {
+	context.params.SetVADMaxSpeechSec(s)
+}
+
+func (context *context) SetVADSpeechPadMs(ms int) {
+	context.params.SetVADSpeechPadMs(ms)
+}
+
+func (context *context) SetVADSamplesOverlap(sec float32) {
+	context.params.SetVADSamplesOverlap(sec)
+}
+
 func (context *context) SetSplitOnWord(v bool) {
 	context.params.SetSplitOnWord(v)
 }

bindings/go/pkg/whisper/interface.go

@@ -60,6 +60,15 @@ type Context interface {
 	SetTemperature(t float32)         // Set temperature
 	SetTemperatureFallback(t float32) // Set temperature incrementation
 
+	SetVAD(v bool)
+	SetVADModelPath(path string)
+	SetVADThreshold(t float32)
+	SetVADMinSpeechMs(ms int)
+	SetVADMinSilenceMs(ms int)
+	SetVADMaxSpeechSec(s float32)
+	SetVADSpeechPadMs(ms int)
+	SetVADSamplesOverlap(sec float32)
+
 	// Process mono audio data and return any errors.
 	// If defined, newly generated segments are passed to the
 	// callback function during processing.