go : add temperature options (#2417)

* Fixed go cuda bindings building

* Added note to go bindings Readme to build using cuda support

* Added temperature bindings for Go

---------

Co-authored-by: Binozo <entwickler@binozoworks.de>

bindings/go/params.go

@@ -131,6 +131,16 @@ func (p *Params) SetEntropyThold(t float32) {
 	p.entropy_thold = C.float(t)
 }
 
+func (p *Params) SetTemperature(t float32) {
+	p.temperature = C.float(t)
+}
+
+// Sets the fallback temperature incrementation
+// Pass -1.0 to disable this feature
+func (p *Params) SetTemperatureFallback(t float32) {
+	p.temperature_inc = C.float(t)
+}
+
 // Set initial prompt
 func (p *Params) SetInitialPrompt(prompt string) {
 	p.initial_prompt = C.CString(prompt)
@@ -162,6 +172,8 @@ func (p *Params) String() string {
 	str += fmt.Sprintf(" audio_ctx=%d", p.audio_ctx)
 	str += fmt.Sprintf(" initial_prompt=%s", C.GoString(p.initial_prompt))
 	str += fmt.Sprintf(" entropy_thold=%f", p.entropy_thold)
+	str += fmt.Sprintf(" temperature=%f", p.temperature)
+	str += fmt.Sprintf(" temperature_inc=%f", p.temperature_inc)
 	str += fmt.Sprintf(" beam_size=%d", p.beam_search.beam_size)
 	if p.translate {
 		str += " translate"

bindings/go/pkg/whisper/context.go

@@ -140,6 +140,17 @@ func (context *context) SetEntropyThold(t float32) {
 	context.params.SetEntropyThold(t)
 }
 
+// Set Temperature
+func (context *context) SetTemperature(t float32) {
+	context.params.SetTemperature(t)
+}
+
+// Set the fallback temperature incrementation
+// Pass -1.0 to disable this feature
+func (context *context) SetTemperatureFallback(t float32) {
+	context.params.SetTemperatureFallback(t)
+}
+
 // Set initial prompt
 func (context *context) SetInitialPrompt(prompt string) {
 	context.params.SetInitialPrompt(prompt)

bindings/go/pkg/whisper/interface.go

@@ -38,20 +38,22 @@ type Context interface {
 	IsMultilingual() bool     // Return true if the model is multilingual.
 	Language() string         // Get language
 
-	SetOffset(time.Duration)        // Set offset
+	SetOffset(time.Duration)          // Set offset
-	SetDuration(time.Duration)      // Set duration
+	SetDuration(time.Duration)        // Set duration
-	SetThreads(uint)                // Set number of threads to use
+	SetThreads(uint)                  // Set number of threads to use
-	SetSplitOnWord(bool)            // Set split on word flag
+	SetSplitOnWord(bool)              // Set split on word flag
-	SetTokenThreshold(float32)      // Set timestamp token probability threshold
+	SetTokenThreshold(float32)        // Set timestamp token probability threshold
-	SetTokenSumThreshold(float32)   // Set timestamp token sum probability threshold
+	SetTokenSumThreshold(float32)     // Set timestamp token sum probability threshold
-	SetMaxSegmentLength(uint)       // Set max segment length in characters
+	SetMaxSegmentLength(uint)         // Set max segment length in characters
-	SetTokenTimestamps(bool)        // Set token timestamps flag
+	SetTokenTimestamps(bool)          // Set token timestamps flag
-	SetMaxTokensPerSegment(uint)    // Set max tokens per segment (0 = no limit)
+	SetMaxTokensPerSegment(uint)      // Set max tokens per segment (0 = no limit)
-	SetAudioCtx(uint)               // Set audio encoder context
+	SetAudioCtx(uint)                 // Set audio encoder context
-	SetMaxContext(n int)            // Set maximum number of text context tokens to store
+	SetMaxContext(n int)              // Set maximum number of text context tokens to store
-	SetBeamSize(n int)              // Set Beam Size
+	SetBeamSize(n int)                // Set Beam Size
-	SetEntropyThold(t float32)      // Set Entropy threshold
+	SetEntropyThold(t float32)        // Set Entropy threshold
-	SetInitialPrompt(prompt string) // Set initial prompt
+	SetInitialPrompt(prompt string)   // Set initial prompt
+	SetTemperature(t float32)         // Set temperature
+	SetTemperatureFallback(t float32) // Set temperature incrementation
 
 	// Process mono audio data and return any errors.
 	// If defined, newly generated segments are passed to the