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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,206 @@ | ||
| // Copyright 2023-2024 Deepgram SDK contributors. All Rights Reserved. | ||
| // Use of this source code is governed by a MIT license that can be found in the LICENSE file. | ||
| // SPDX-License-Identifier: MIT | ||
|
|
||
| package main | ||
|
|
||
| // streaming | ||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
|
|
||
| api "github.com/deepgram/deepgram-go-sdk/pkg/api/live/v1/interfaces" | ||
| microphone "github.com/deepgram/deepgram-go-sdk/pkg/audio/microphone" | ||
| interfaces "github.com/deepgram/deepgram-go-sdk/pkg/client/interfaces" | ||
| client "github.com/deepgram/deepgram-go-sdk/pkg/client/live" | ||
| ) | ||
|
|
||
| // Implement your own callback | ||
| type MyCallback struct { | ||
| sb *strings.Builder | ||
| } | ||
|
|
||
| func (c MyCallback) Message(mr *api.MessageResponse) error { | ||
| // handle the message | ||
| sentence := strings.TrimSpace(mr.Channel.Alternatives[0].Transcript) | ||
|
|
||
| if len(mr.Channel.Alternatives) == 0 || sentence == "" { | ||
| return nil | ||
| } | ||
|
|
||
| if mr.IsFinal { | ||
| c.sb.WriteString(sentence) | ||
| c.sb.WriteString(" ") | ||
|
|
||
| if mr.SpeechFinal { | ||
| fmt.Printf("[------- Is Final]: %s\n", c.sb.String()) | ||
| c.sb.Reset() | ||
| } | ||
| } else { | ||
| fmt.Printf("[Interim Result]: %s\n", sentence) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (c MyCallback) Open(ocr *api.OpenResponse) error { | ||
| // handle the open | ||
| fmt.Printf("\n[Open] Received\n") | ||
| return nil | ||
| } | ||
|
|
||
| func (c MyCallback) Metadata(md *api.MetadataResponse) error { | ||
| // handle the metadata | ||
| fmt.Printf("\n[Metadata] Received\n") | ||
| fmt.Printf("Metadata.RequestID: %s\n", strings.TrimSpace(md.RequestID)) | ||
| fmt.Printf("Metadata.Channels: %d\n", md.Channels) | ||
| fmt.Printf("Metadata.Created: %s\n\n", strings.TrimSpace(md.Created)) | ||
| return nil | ||
| } | ||
|
|
||
| func (c MyCallback) SpeechStarted(ssr *api.SpeechStartedResponse) error { | ||
| fmt.Printf("\n[SpeechStarted] Received\n") | ||
| return nil | ||
| } | ||
|
|
||
| func (c MyCallback) UtteranceEnd(ur *api.UtteranceEndResponse) error { | ||
| utterance := strings.TrimSpace(c.sb.String()) | ||
| if len(utterance) > 0 { | ||
| fmt.Printf("[------- UtteranceEnd]: %s\n", utterance) | ||
| c.sb.Reset() | ||
| } else { | ||
| fmt.Printf("\n[UtteranceEnd] Received\n") | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (c MyCallback) Close(ocr *api.CloseResponse) error { | ||
| // handle the close | ||
| fmt.Printf("\n[Close] Received\n") | ||
| return nil | ||
| } | ||
|
|
||
| func (c MyCallback) Error(er *api.ErrorResponse) error { | ||
| // handle the error | ||
| fmt.Printf("\n[Error] Received\n") | ||
| fmt.Printf("Error.Type: %s\n", er.Type) | ||
| fmt.Printf("Error.Message: %s\n", er.Message) | ||
| fmt.Printf("Error.Description: %s\n\n", er.Description) | ||
| return nil | ||
| } | ||
|
|
||
| func (c MyCallback) UnhandledEvent(byData []byte) error { | ||
| // handle the unhandled event | ||
| fmt.Printf("\n[UnhandledEvent] Received\n") | ||
| fmt.Printf("UnhandledEvent: %s\n\n", string(byData)) | ||
| return nil | ||
| } | ||
|
|
||
| func main() { | ||
| // init library | ||
| microphone.Initialize() | ||
|
|
||
| /* | ||
| DG Streaming API | ||
| */ | ||
| // init library | ||
| client.Init(client.InitLib{ | ||
| LogLevel: client.LogLevelTrace, // LogLevelDefault, LogLevelFull, LogLevelDebug, LogLevelTrace | ||
| }) | ||
|
|
||
| // Go context | ||
| ctx := context.Background() | ||
|
|
||
| // client options | ||
| cOptions := &interfaces.ClientOptions{ | ||
| EnableKeepAlive: true, | ||
| } | ||
|
|
||
| // set the Transcription options | ||
| tOptions := &interfaces.LiveTranscriptionOptions{ | ||
| Model: "nova-2", | ||
| Language: "en-US", | ||
| Punctuate: true, | ||
| Encoding: "linear16", | ||
| Channels: 1, | ||
| SampleRate: 16000, | ||
| SmartFormat: true, | ||
| VadEvents: true, | ||
| // To get UtteranceEnd, the following must be set: | ||
| InterimResults: true, | ||
| UtteranceEndMs: "1000", | ||
| // End of UtteranceEnd settings | ||
| } | ||
|
|
||
| // implement your own callback | ||
| callback := MyCallback{ | ||
| sb: &strings.Builder{}, | ||
| } | ||
|
|
||
| // create a Deepgram client | ||
| dgClient, err := client.New(ctx, "", cOptions, tOptions, callback) | ||
| if err != nil { | ||
| fmt.Println("ERROR creating LiveTranscription connection:", err) | ||
| return | ||
| } | ||
|
|
||
| for i := 0; i < 10; i++ { | ||
| if i > 0 { | ||
| time.Sleep(5 * time.Second) | ||
| } | ||
|
|
||
| // connect the websocket to Deepgram | ||
| wsconn := dgClient.AttemptReconnect(context.Background(), 3) | ||
| if wsconn == nil { | ||
| fmt.Println("Client.AttemptReconnect failed") | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| /* | ||
| Microphone package | ||
| */ | ||
| // mic stuf | ||
| mic, err := microphone.New(microphone.AudioConfig{ | ||
| InputChannels: 1, | ||
| SamplingRate: 16000, | ||
| }) | ||
| if err != nil { | ||
| fmt.Printf("Initialize failed. Err: %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // start the mic | ||
| err = mic.Start() | ||
| if err != nil { | ||
| fmt.Printf("mic.Start failed. Err: %v\n", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| go func() { | ||
| // feed the microphone stream to the Deepgram client (this is a blocking call) | ||
| err := mic.Stream(dgClient) | ||
| if err != nil { | ||
| fmt.Printf("mic.Stream non-fatal error. Err: %v\n", err) | ||
| } | ||
| }() | ||
|
|
||
| // sleep for 10 seconds | ||
| time.Sleep(10 * time.Second) | ||
|
|
||
| // close and repeat | ||
| err = mic.Stop() | ||
| if err != nil { | ||
| fmt.Printf("mic.Stop non-fatal error. Err: %v\n", err) | ||
| } | ||
| dgClient.Stop() | ||
| } | ||
|
|
||
| // teardown library | ||
| microphone.Teardown() | ||
|
|
||
| fmt.Printf("\n\nProgram exiting...\n") | ||
| } |