moreover I am working on an iOS app in which we have google speech to text with streaming approach, in the example you didnt demonstrate how can I pass metadata so maybe official document have some help regarding how to pass metadata while initializing, here is the full config I wanted to feed:
import Foundation
import googleapis
let API_KEY : String = "YOUR_API_KEY"
let HOST = "speech.googleapis.com"
typealias SpeechRecognitionCompletionHandler = (StreamingRecognizeResponse?, NSError?) -> (Void)
class SpeechRecognitionService {
var sampleRate: Int = 16000
private var streaming = false
private var client : Speech!
private var writer : GRXBufferedPipe!
private var call : GRPCProtoCall!
static let sharedInstance = SpeechRecognitionService()
func streamAudioData(_ audioData: NSData, completion: @escaping SpeechRecognitionCompletionHandler) {
if (!streaming) {
// if we aren't already streaming, set up a gRPC connection
client = Speech(host:HOST)
writer = GRXBufferedPipe()
call = client.rpcToStreamingRecognize(withRequestsWriter: writer,
eventHandler:
{ (done, response, error) in
completion(response, error as? NSError)
})
// authenticate using an API key obtained from the Google Cloud Console
call.requestHeaders.setObject(NSString(string:API_KEY),
forKey:NSString(string:"X-Goog-Api-Key"))
// if the API key has a bundle ID restriction, specify the bundle ID like this
call.requestHeaders.setObject(NSString(string:Bundle.main.bundleIdentifier!),
forKey:NSString(string:"X-Ios-Bundle-Identifier"))
print("HEADERS:\(call.requestHeaders)")
call.start()
streaming = true
// send an initial request message to configure the service
let recognitionConfig = RecognitionConfig()
recognitionConfig.encoding = .linear16
recognitionConfig.sampleRateHertz = Int32(sampleRate)
recognitionConfig.languageCode = "en-US"
recognitionConfig.maxAlternatives = 30
recognitionConfig.enableWordTimeOffsets = true
let streamingRecognitionConfig = StreamingRecognitionConfig()
streamingRecognitionConfig.config = recognitionConfig
streamingRecognitionConfig.singleUtterance = false
streamingRecognitionConfig.interimResults = true
let streamingRecognizeRequest = StreamingRecognizeRequest()
streamingRecognizeRequest.streamingConfig = streamingRecognitionConfig
writer.writeValue(streamingRecognizeRequest)
}
// send a request message containing the audio data
let streamingRecognizeRequest = StreamingRecognizeRequest()
streamingRecognizeRequest.audioContent = audioData as Data
writer.writeValue(streamingRecognizeRequest)
}
func stopStreaming() {
if (!streaming) {
return
}
writer.finishWithError(nil)
streaming = false
}
func isStreaming() -> Bool {
return streaming
}
}
anyone please help me finding official document of pod used in this example: https://github.com/GoogleCloudPlatform/ios-docs-samples/tree/master/speech/Swift/Speech-gRPC-Streaming
moreover I am working on an iOS app in which we have google speech to text with streaming approach, in the example you didnt demonstrate how can I pass metadata so maybe official document have some help regarding how to pass metadata while initializing, here is the full config I wanted to feed:
here is my current code: