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feat(vad): add silero-vad backend (WIP)
Signed-off-by: Ettore Di Giacinto <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| package main | ||
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| // Note: this is started internally by LocalAI and a server is allocated for each model | ||
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| import ( | ||
| "flag" | ||
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| grpc "github.com/mudler/LocalAI/pkg/grpc" | ||
| ) | ||
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| var ( | ||
| addr = flag.String("addr", "localhost:50051", "the address to connect to") | ||
| ) | ||
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| func main() { | ||
| flag.Parse() | ||
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| if err := grpc.StartServer(*addr, &VAD{}); err != nil { | ||
| panic(err) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package main | ||
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| // This is a wrapper to statisfy the GRPC service interface | ||
| // It is meant to be used by the main executable that is the server for the specific backend type (falcon, gpt3, etc) | ||
| import ( | ||
| "fmt" | ||
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| "github.com/mudler/LocalAI/pkg/grpc/base" | ||
| pb "github.com/mudler/LocalAI/pkg/grpc/proto" | ||
| "github.com/streamer45/silero-vad-go/speech" | ||
| ) | ||
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| type VAD struct { | ||
| base.SingleThread | ||
| detector *speech.Detector | ||
| } | ||
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| func (vad *VAD) Load(opts *pb.ModelOptions) error { | ||
| v, err := speech.NewDetector(speech.DetectorConfig{ | ||
| ModelPath: opts.ModelFile, | ||
| SampleRate: 16000, | ||
| //WindowSize: 1024, | ||
| Threshold: 0.5, | ||
| MinSilenceDurationMs: 0, | ||
| SpeechPadMs: 0, | ||
| }) | ||
| if err != nil { | ||
| return fmt.Errorf("create silero detector: %w", err) | ||
| } | ||
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| vad.detector = v | ||
| return err | ||
| } | ||
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| func (vad *VAD) VAD(req *pb.VADRequest) (pb.VADResponse, error) { | ||
| audio := req.Audio | ||
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| segments, err := vad.detector.Detect(audio) | ||
| if err != nil { | ||
| return pb.VADResponse{}, fmt.Errorf("detect: %w", err) | ||
| } | ||
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| vadSegments := []*pb.VADSegment{} | ||
| for _, s := range segments { | ||
| vadSegments = append(vadSegments, &pb.VADSegment{ | ||
| Start: float32(s.SpeechStartAt), | ||
| End: float32(s.SpeechEndAt), | ||
| }) | ||
| } | ||
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| return pb.VADResponse{ | ||
| Segments: vadSegments, | ||
| }, nil | ||
| } |
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