github.com/aavshr/aws-sdk-go@v1.41.3/service/transcribestreamingservice/api.go

// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.

package transcribestreamingservice

import (
	"bytes"
	"fmt"
	"io"
	"sync"
	"time"

	"github.com/aavshr/aws-sdk-go/aws"
	"github.com/aavshr/aws-sdk-go/aws/awserr"
	"github.com/aavshr/aws-sdk-go/aws/awsutil"
	"github.com/aavshr/aws-sdk-go/aws/client"
	"github.com/aavshr/aws-sdk-go/aws/request"
	"github.com/aavshr/aws-sdk-go/aws/signer/v4"
	"github.com/aavshr/aws-sdk-go/private/protocol"
	"github.com/aavshr/aws-sdk-go/private/protocol/eventstream"
	"github.com/aavshr/aws-sdk-go/private/protocol/eventstream/eventstreamapi"
	"github.com/aavshr/aws-sdk-go/private/protocol/rest"
	"github.com/aavshr/aws-sdk-go/private/protocol/restjson"
)

const opStartMedicalStreamTranscription = "StartMedicalStreamTranscription"

// StartMedicalStreamTranscriptionRequest generates a "aws/request.Request" representing the
// client's request for the StartMedicalStreamTranscription operation. The "output" return
// value will be populated with the request's response once the request completes
// successfully.
//
// Use "Send" method on the returned Request to send the API call to the service.
// the "output" return value is not valid until after Send returns without error.
//
// See StartMedicalStreamTranscription for more information on using the StartMedicalStreamTranscription
// API call, and error handling.
//
// This method is useful when you want to inject custom logic or configuration
// into the SDK's request lifecycle. Such as custom headers, or retry logic.
//
//
//    // Example sending a request using the StartMedicalStreamTranscriptionRequest method.
//    req, resp := client.StartMedicalStreamTranscriptionRequest(params)
//
//    err := req.Send()
//    if err == nil { // resp is now filled
//        fmt.Println(resp)
//    }
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/transcribe-streaming-2017-10-26/StartMedicalStreamTranscription
func (c *TranscribeStreamingService) StartMedicalStreamTranscriptionRequest(input *StartMedicalStreamTranscriptionInput) (req *request.Request, output *StartMedicalStreamTranscriptionOutput) {
	op := &request.Operation{
		Name:       opStartMedicalStreamTranscription,
		HTTPMethod: "POST",
		HTTPPath:   "/medical-stream-transcription",
	}

	if input == nil {
		input = &StartMedicalStreamTranscriptionInput{}
	}

	output = &StartMedicalStreamTranscriptionOutput{}
	req = c.newRequest(op, input, output)
	req.Handlers.UnmarshalMeta.PushBack(
		protocol.RequireHTTPMinProtocol{Major: 2}.Handler,
	)

	es := NewStartMedicalStreamTranscriptionEventStream()
	output.eventStream = es

	req.Handlers.Sign.PushFront(es.setupInputPipe)
	req.Handlers.UnmarshalError.PushBackNamed(request.NamedHandler{
		Name: "InputPipeCloser",
		Fn: func(r *request.Request) {
			err := es.closeInputPipe()
			if err != nil {
				r.Error = awserr.New(eventstreamapi.InputWriterCloseErrorCode, err.Error(), r.Error)
			}
		},
	})
	req.Handlers.Build.PushBack(request.WithSetRequestHeaders(map[string]string{
		"Content-Type":         "application/vnd.amazon.eventstream",
		"X-Amz-Content-Sha256": "STREAMING-AWS4-HMAC-SHA256-EVENTS",
	}))
	req.Handlers.Build.Swap(restjson.BuildHandler.Name, rest.BuildHandler)
	req.Handlers.Send.Swap(client.LogHTTPRequestHandler.Name, client.LogHTTPRequestHeaderHandler)
	req.Handlers.Unmarshal.PushBack(es.runInputStream)

	req.Handlers.Send.Swap(client.LogHTTPResponseHandler.Name, client.LogHTTPResponseHeaderHandler)
	req.Handlers.Unmarshal.Swap(restjson.UnmarshalHandler.Name, rest.UnmarshalHandler)
	req.Handlers.Unmarshal.PushBack(es.runOutputStream)
	req.Handlers.Unmarshal.PushBack(es.runOnStreamPartClose)
	return
}

// StartMedicalStreamTranscription API operation for Amazon Transcribe Streaming Service.
//
// Starts a bidirectional HTTP/2 stream where audio is streamed to Amazon Transcribe
// Medical and the transcription results are streamed to your application.
//
// Returns awserr.Error for service API and SDK errors. Use runtime type assertions
// with awserr.Error's Code and Message methods to get detailed information about
// the error.
//
// See the AWS API reference guide for Amazon Transcribe Streaming Service's
// API operation StartMedicalStreamTranscription for usage and error information.
//
// Returned Error Types:
//   * BadRequestException
//   One or more arguments to the StartStreamTranscription or StartMedicalStreamTranscription
//   operation was invalid. For example, MediaEncoding was not set to a valid
//   encoding, or LanguageCode was not set to a valid code. Check the parameters
//   and try your request again.
//
//   * LimitExceededException
//   You have exceeded the maximum number of concurrent transcription streams,
//   are starting transcription streams too quickly, or the maximum audio length
//   of 4 hours. Wait until a stream has finished processing, or break your audio
//   stream into smaller chunks and try your request again.
//
//   * InternalFailureException
//   A problem occurred while processing the audio. Amazon Transcribe or Amazon
//   Transcribe Medical terminated processing. Try your request again.
//
//   * ConflictException
//   A new stream started with the same session ID. The current stream has been
//   terminated.
//
//   * ServiceUnavailableException
//   Service is currently unavailable. Try your request later.
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/transcribe-streaming-2017-10-26/StartMedicalStreamTranscription
func (c *TranscribeStreamingService) StartMedicalStreamTranscription(input *StartMedicalStreamTranscriptionInput) (*StartMedicalStreamTranscriptionOutput, error) {
	req, out := c.StartMedicalStreamTranscriptionRequest(input)
	return out, req.Send()
}

// StartMedicalStreamTranscriptionWithContext is the same as StartMedicalStreamTranscription with the addition of
// the ability to pass a context and additional request options.
//
// See StartMedicalStreamTranscription for details on how to use this API operation.
//
// The context must be non-nil and will be used for request cancellation. If
// the context is nil a panic will occur. In the future the SDK may create
// sub-contexts for http.Requests. See https://golang.org/pkg/context/
// for more information on using Contexts.
func (c *TranscribeStreamingService) StartMedicalStreamTranscriptionWithContext(ctx aws.Context, input *StartMedicalStreamTranscriptionInput, opts ...request.Option) (*StartMedicalStreamTranscriptionOutput, error) {
	req, out := c.StartMedicalStreamTranscriptionRequest(input)
	req.SetContext(ctx)
	req.ApplyOptions(opts...)
	return out, req.Send()
}

var _ awserr.Error

// StartMedicalStreamTranscriptionEventStream provides the event stream handling for the StartMedicalStreamTranscription.
//
// For testing and mocking the event stream this type should be initialized via
// the NewStartMedicalStreamTranscriptionEventStream constructor function. Using the functional options
// to pass in nested mock behavior.
type StartMedicalStreamTranscriptionEventStream struct {

	// Writer is the EventStream writer for the AudioStream
	// events. This value is automatically set by the SDK when the API call is made
	// Use this member when unit testing your code with the SDK to mock out the
	// EventStream Writer.
	//
	// Must not be nil.
	Writer AudioStreamWriter

	inputWriter io.WriteCloser

	// Reader is the EventStream reader for the MedicalTranscriptResultStream
	// events. This value is automatically set by the SDK when the API call is made
	// Use this member when unit testing your code with the SDK to mock out the
	// EventStream Reader.
	//
	// Must not be nil.
	Reader MedicalTranscriptResultStreamReader

	outputReader io.ReadCloser

	done      chan struct{}
	closeOnce sync.Once
	err       *eventstreamapi.OnceError
}

// NewStartMedicalStreamTranscriptionEventStream initializes an StartMedicalStreamTranscriptionEventStream.
// This function should only be used for testing and mocking the StartMedicalStreamTranscriptionEventStream
// stream within your application.
//
// The Writer member must be set before writing events to the stream.
//
// The Reader member must be set before reading events from the stream.
//
//   es := NewStartMedicalStreamTranscriptionEventStream(func(o *StartMedicalStreamTranscriptionEventStream{
//       es.Writer = myMockStreamWriter
//       es.Reader = myMockStreamReader
//   })
func NewStartMedicalStreamTranscriptionEventStream(opts ...func(*StartMedicalStreamTranscriptionEventStream)) *StartMedicalStreamTranscriptionEventStream {
	es := &StartMedicalStreamTranscriptionEventStream{
		done: make(chan struct{}),
		err:  eventstreamapi.NewOnceError(),
	}

	for _, fn := range opts {
		fn(es)
	}

	return es
}

func (es *StartMedicalStreamTranscriptionEventStream) runOnStreamPartClose(r *request.Request) {
	if es.done == nil {
		return
	}
	go es.waitStreamPartClose()

}

func (es *StartMedicalStreamTranscriptionEventStream) waitStreamPartClose() {
	var inputErrCh <-chan struct{}
	if v, ok := es.Writer.(interface{ ErrorSet() <-chan struct{} }); ok {
		inputErrCh = v.ErrorSet()
	}
	var outputErrCh <-chan struct{}
	if v, ok := es.Reader.(interface{ ErrorSet() <-chan struct{} }); ok {
		outputErrCh = v.ErrorSet()
	}
	var outputClosedCh <-chan struct{}
	if v, ok := es.Reader.(interface{ Closed() <-chan struct{} }); ok {
		outputClosedCh = v.Closed()
	}

	select {
	case <-es.done:
	case <-inputErrCh:
		es.err.SetError(es.Writer.Err())
		es.Close()
	case <-outputErrCh:
		es.err.SetError(es.Reader.Err())
		es.Close()
	case <-outputClosedCh:
		if err := es.Reader.Err(); err != nil {
			es.err.SetError(es.Reader.Err())
		}
		es.Close()
	}
}

func (es *StartMedicalStreamTranscriptionEventStream) setupInputPipe(r *request.Request) {
	inputReader, inputWriter := io.Pipe()
	r.SetStreamingBody(inputReader)
	es.inputWriter = inputWriter
}

// Closes the input-pipe writer
func (es *StartMedicalStreamTranscriptionEventStream) closeInputPipe() error {
	if es.inputWriter != nil {
		return es.inputWriter.Close()
	}
	return nil
}

// Send writes the event to the stream blocking until the event is written.
// Returns an error if the event was not written.
//
// These events are:
//
//     * AudioEvent
func (es *StartMedicalStreamTranscriptionEventStream) Send(ctx aws.Context, event AudioStreamEvent) error {
	return es.Writer.Send(ctx, event)
}

func (es *StartMedicalStreamTranscriptionEventStream) runInputStream(r *request.Request) {
	var opts []func(*eventstream.Encoder)
	if r.Config.Logger != nil && r.Config.LogLevel.Matches(aws.LogDebugWithEventStreamBody) {
		opts = append(opts, eventstream.EncodeWithLogger(r.Config.Logger))
	}
	var encoder eventstreamapi.Encoder = eventstream.NewEncoder(es.inputWriter, opts...)

	var closer aws.MultiCloser
	sigSeed, err := v4.GetSignedRequestSignature(r.HTTPRequest)
	if err != nil {
		r.Error = awserr.New(request.ErrCodeSerialization,
			"unable to get initial request's signature", err)
		return
	}
	signer := eventstreamapi.NewSignEncoder(
		v4.NewStreamSigner(r.ClientInfo.SigningRegion, r.ClientInfo.SigningName,
			sigSeed, r.Config.Credentials),
		encoder,
	)
	encoder = signer
	closer = append(closer, signer)
	closer = append(closer, es.inputWriter)

	eventWriter := eventstreamapi.NewEventWriter(encoder,
		protocol.HandlerPayloadMarshal{
			Marshalers: r.Handlers.BuildStream,
		},
		eventTypeForAudioStreamEvent,
	)

	es.Writer = &writeAudioStream{
		StreamWriter: eventstreamapi.NewStreamWriter(eventWriter, closer),
	}
}

// Events returns a channel to read events from.
//
// These events are:
//
//     * MedicalTranscriptEvent
//     * MedicalTranscriptResultStreamUnknownEvent
func (es *StartMedicalStreamTranscriptionEventStream) Events() <-chan MedicalTranscriptResultStreamEvent {
	return es.Reader.Events()
}

func (es *StartMedicalStreamTranscriptionEventStream) runOutputStream(r *request.Request) {
	var opts []func(*eventstream.Decoder)
	if r.Config.Logger != nil && r.Config.LogLevel.Matches(aws.LogDebugWithEventStreamBody) {
		opts = append(opts, eventstream.DecodeWithLogger(r.Config.Logger))
	}

	unmarshalerForEvent := unmarshalerForMedicalTranscriptResultStreamEvent{
		metadata: protocol.ResponseMetadata{
			StatusCode: r.HTTPResponse.StatusCode,
			RequestID:  r.RequestID,
		},
	}.UnmarshalerForEventName

	decoder := eventstream.NewDecoder(r.HTTPResponse.Body, opts...)
	eventReader := eventstreamapi.NewEventReader(decoder,
		protocol.HandlerPayloadUnmarshal{
			Unmarshalers: r.Handlers.UnmarshalStream,
		},
		unmarshalerForEvent,
	)

	es.outputReader = r.HTTPResponse.Body
	es.Reader = newReadMedicalTranscriptResultStream(eventReader)
}

// Close closes the stream. This will also cause the stream to be closed.
// Close must be called when done using the stream API. Not calling Close
// may result in resource leaks.
//
// Will close the underlying EventStream writer, and no more events can be
// sent.
//
// You can use the closing of the Reader's Events channel to terminate your
// application's read from the API's stream.
//
func (es *StartMedicalStreamTranscriptionEventStream) Close() (err error) {
	es.closeOnce.Do(es.safeClose)
	return es.Err()
}

func (es *StartMedicalStreamTranscriptionEventStream) safeClose() {
	if es.done != nil {
		close(es.done)
	}

	t := time.NewTicker(time.Second)
	defer t.Stop()
	writeCloseDone := make(chan error)
	go func() {
		if err := es.Writer.Close(); err != nil {
			es.err.SetError(err)
		}
		close(writeCloseDone)
	}()
	select {
	case <-t.C:
	case <-writeCloseDone:
	}
	if err := es.closeInputPipe(); err != nil {
		es.err.SetError(err)
	}

	es.Reader.Close()
	if es.outputReader != nil {
		es.outputReader.Close()
	}
}

// Err returns any error that occurred while reading or writing EventStream
// Events from the service API's response. Returns nil if there were no errors.
func (es *StartMedicalStreamTranscriptionEventStream) Err() error {
	if err := es.err.Err(); err != nil {
		return err
	}
	if err := es.Writer.Err(); err != nil {
		return err
	}
	if err := es.Reader.Err(); err != nil {
		return err
	}

	return nil
}

const opStartStreamTranscription = "StartStreamTranscription"

// StartStreamTranscriptionRequest generates a "aws/request.Request" representing the
// client's request for the StartStreamTranscription operation. The "output" return
// value will be populated with the request's response once the request completes
// successfully.
//
// Use "Send" method on the returned Request to send the API call to the service.
// the "output" return value is not valid until after Send returns without error.
//
// See StartStreamTranscription for more information on using the StartStreamTranscription
// API call, and error handling.
//
// This method is useful when you want to inject custom logic or configuration
// into the SDK's request lifecycle. Such as custom headers, or retry logic.
//
//
//    // Example sending a request using the StartStreamTranscriptionRequest method.
//    req, resp := client.StartStreamTranscriptionRequest(params)
//
//    err := req.Send()
//    if err == nil { // resp is now filled
//        fmt.Println(resp)
//    }
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/transcribe-streaming-2017-10-26/StartStreamTranscription
func (c *TranscribeStreamingService) StartStreamTranscriptionRequest(input *StartStreamTranscriptionInput) (req *request.Request, output *StartStreamTranscriptionOutput) {
	op := &request.Operation{
		Name:       opStartStreamTranscription,
		HTTPMethod: "POST",
		HTTPPath:   "/stream-transcription",
	}

	if input == nil {
		input = &StartStreamTranscriptionInput{}
	}

	output = &StartStreamTranscriptionOutput{}
	req = c.newRequest(op, input, output)
	req.Handlers.UnmarshalMeta.PushBack(
		protocol.RequireHTTPMinProtocol{Major: 2}.Handler,
	)

	es := NewStartStreamTranscriptionEventStream()
	output.eventStream = es

	req.Handlers.Sign.PushFront(es.setupInputPipe)
	req.Handlers.UnmarshalError.PushBackNamed(request.NamedHandler{
		Name: "InputPipeCloser",
		Fn: func(r *request.Request) {
			err := es.closeInputPipe()
			if err != nil {
				r.Error = awserr.New(eventstreamapi.InputWriterCloseErrorCode, err.Error(), r.Error)
			}
		},
	})
	req.Handlers.Build.PushBack(request.WithSetRequestHeaders(map[string]string{
		"Content-Type":         "application/vnd.amazon.eventstream",
		"X-Amz-Content-Sha256": "STREAMING-AWS4-HMAC-SHA256-EVENTS",
	}))
	req.Handlers.Build.Swap(restjson.BuildHandler.Name, rest.BuildHandler)
	req.Handlers.Send.Swap(client.LogHTTPRequestHandler.Name, client.LogHTTPRequestHeaderHandler)
	req.Handlers.Unmarshal.PushBack(es.runInputStream)

	req.Handlers.Send.Swap(client.LogHTTPResponseHandler.Name, client.LogHTTPResponseHeaderHandler)
	req.Handlers.Unmarshal.Swap(restjson.UnmarshalHandler.Name, rest.UnmarshalHandler)
	req.Handlers.Unmarshal.PushBack(es.runOutputStream)
	req.Handlers.Unmarshal.PushBack(es.runOnStreamPartClose)
	return
}

// StartStreamTranscription API operation for Amazon Transcribe Streaming Service.
//
// Starts a bidirectional HTTP/2 stream where audio is streamed to Amazon Transcribe
// and the transcription results are streamed to your application.
//
// The following are encoded as HTTP/2 headers:
//
//    * x-amzn-transcribe-language-code
//
//    * x-amzn-transcribe-media-encoding
//
//    * x-amzn-transcribe-sample-rate
//
//    * x-amzn-transcribe-session-id
//
// See the SDK for Go API Reference (https://docs.aws.amazon.com/sdk-for-go/api/service/transcribestreamingservice/#TranscribeStreamingService.StartStreamTranscription)
// for more detail.
//
// Returns awserr.Error for service API and SDK errors. Use runtime type assertions
// with awserr.Error's Code and Message methods to get detailed information about
// the error.
//
// See the AWS API reference guide for Amazon Transcribe Streaming Service's
// API operation StartStreamTranscription for usage and error information.
//
// Returned Error Types:
//   * BadRequestException
//   One or more arguments to the StartStreamTranscription or StartMedicalStreamTranscription
//   operation was invalid. For example, MediaEncoding was not set to a valid
//   encoding, or LanguageCode was not set to a valid code. Check the parameters
//   and try your request again.
//
//   * LimitExceededException
//   You have exceeded the maximum number of concurrent transcription streams,
//   are starting transcription streams too quickly, or the maximum audio length
//   of 4 hours. Wait until a stream has finished processing, or break your audio
//   stream into smaller chunks and try your request again.
//
//   * InternalFailureException
//   A problem occurred while processing the audio. Amazon Transcribe or Amazon
//   Transcribe Medical terminated processing. Try your request again.
//
//   * ConflictException
//   A new stream started with the same session ID. The current stream has been
//   terminated.
//
//   * ServiceUnavailableException
//   Service is currently unavailable. Try your request later.
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/transcribe-streaming-2017-10-26/StartStreamTranscription
func (c *TranscribeStreamingService) StartStreamTranscription(input *StartStreamTranscriptionInput) (*StartStreamTranscriptionOutput, error) {
	req, out := c.StartStreamTranscriptionRequest(input)
	return out, req.Send()
}

// StartStreamTranscriptionWithContext is the same as StartStreamTranscription with the addition of
// the ability to pass a context and additional request options.
//
// See StartStreamTranscription for details on how to use this API operation.
//
// The context must be non-nil and will be used for request cancellation. If
// the context is nil a panic will occur. In the future the SDK may create
// sub-contexts for http.Requests. See https://golang.org/pkg/context/
// for more information on using Contexts.
func (c *TranscribeStreamingService) StartStreamTranscriptionWithContext(ctx aws.Context, input *StartStreamTranscriptionInput, opts ...request.Option) (*StartStreamTranscriptionOutput, error) {
	req, out := c.StartStreamTranscriptionRequest(input)
	req.SetContext(ctx)
	req.ApplyOptions(opts...)
	return out, req.Send()
}

var _ awserr.Error

// StartStreamTranscriptionEventStream provides the event stream handling for the StartStreamTranscription.
//
// For testing and mocking the event stream this type should be initialized via
// the NewStartStreamTranscriptionEventStream constructor function. Using the functional options
// to pass in nested mock behavior.
type StartStreamTranscriptionEventStream struct {

	// Writer is the EventStream writer for the AudioStream
	// events. This value is automatically set by the SDK when the API call is made
	// Use this member when unit testing your code with the SDK to mock out the
	// EventStream Writer.
	//
	// Must not be nil.
	Writer AudioStreamWriter

	inputWriter io.WriteCloser

	// Reader is the EventStream reader for the TranscriptResultStream
	// events. This value is automatically set by the SDK when the API call is made
	// Use this member when unit testing your code with the SDK to mock out the
	// EventStream Reader.
	//
	// Must not be nil.
	Reader TranscriptResultStreamReader

	outputReader io.ReadCloser

	done      chan struct{}
	closeOnce sync.Once
	err       *eventstreamapi.OnceError
}

// NewStartStreamTranscriptionEventStream initializes an StartStreamTranscriptionEventStream.
// This function should only be used for testing and mocking the StartStreamTranscriptionEventStream
// stream within your application.
//
// The Writer member must be set before writing events to the stream.
//
// The Reader member must be set before reading events from the stream.
//
//   es := NewStartStreamTranscriptionEventStream(func(o *StartStreamTranscriptionEventStream{
//       es.Writer = myMockStreamWriter
//       es.Reader = myMockStreamReader
//   })
func NewStartStreamTranscriptionEventStream(opts ...func(*StartStreamTranscriptionEventStream)) *StartStreamTranscriptionEventStream {
	es := &StartStreamTranscriptionEventStream{
		done: make(chan struct{}),
		err:  eventstreamapi.NewOnceError(),
	}

	for _, fn := range opts {
		fn(es)
	}

	return es
}

func (es *StartStreamTranscriptionEventStream) runOnStreamPartClose(r *request.Request) {
	if es.done == nil {
		return
	}
	go es.waitStreamPartClose()

}

func (es *StartStreamTranscriptionEventStream) waitStreamPartClose() {
	var inputErrCh <-chan struct{}
	if v, ok := es.Writer.(interface{ ErrorSet() <-chan struct{} }); ok {
		inputErrCh = v.ErrorSet()
	}
	var outputErrCh <-chan struct{}
	if v, ok := es.Reader.(interface{ ErrorSet() <-chan struct{} }); ok {
		outputErrCh = v.ErrorSet()
	}
	var outputClosedCh <-chan struct{}
	if v, ok := es.Reader.(interface{ Closed() <-chan struct{} }); ok {
		outputClosedCh = v.Closed()
	}

	select {
	case <-es.done:
	case <-inputErrCh:
		es.err.SetError(es.Writer.Err())
		es.Close()
	case <-outputErrCh:
		es.err.SetError(es.Reader.Err())
		es.Close()
	case <-outputClosedCh:
		if err := es.Reader.Err(); err != nil {
			es.err.SetError(es.Reader.Err())
		}
		es.Close()
	}
}

func (es *StartStreamTranscriptionEventStream) setupInputPipe(r *request.Request) {
	inputReader, inputWriter := io.Pipe()
	r.SetStreamingBody(inputReader)
	es.inputWriter = inputWriter
}

// Closes the input-pipe writer
func (es *StartStreamTranscriptionEventStream) closeInputPipe() error {
	if es.inputWriter != nil {
		return es.inputWriter.Close()
	}
	return nil
}

// Send writes the event to the stream blocking until the event is written.
// Returns an error if the event was not written.
//
// These events are:
//
//     * AudioEvent
func (es *StartStreamTranscriptionEventStream) Send(ctx aws.Context, event AudioStreamEvent) error {
	return es.Writer.Send(ctx, event)
}

func (es *StartStreamTranscriptionEventStream) runInputStream(r *request.Request) {
	var opts []func(*eventstream.Encoder)
	if r.Config.Logger != nil && r.Config.LogLevel.Matches(aws.LogDebugWithEventStreamBody) {
		opts = append(opts, eventstream.EncodeWithLogger(r.Config.Logger))
	}
	var encoder eventstreamapi.Encoder = eventstream.NewEncoder(es.inputWriter, opts...)

	var closer aws.MultiCloser
	sigSeed, err := v4.GetSignedRequestSignature(r.HTTPRequest)
	if err != nil {
		r.Error = awserr.New(request.ErrCodeSerialization,
			"unable to get initial request's signature", err)
		return
	}
	signer := eventstreamapi.NewSignEncoder(
		v4.NewStreamSigner(r.ClientInfo.SigningRegion, r.ClientInfo.SigningName,
			sigSeed, r.Config.Credentials),
		encoder,
	)
	encoder = signer
	closer = append(closer, signer)
	closer = append(closer, es.inputWriter)

	eventWriter := eventstreamapi.NewEventWriter(encoder,
		protocol.HandlerPayloadMarshal{
			Marshalers: r.Handlers.BuildStream,
		},
		eventTypeForAudioStreamEvent,
	)

	es.Writer = &writeAudioStream{
		StreamWriter: eventstreamapi.NewStreamWriter(eventWriter, closer),
	}
}

// Events returns a channel to read events from.
//
// These events are:
//
//     * TranscriptEvent
//     * TranscriptResultStreamUnknownEvent
func (es *StartStreamTranscriptionEventStream) Events() <-chan TranscriptResultStreamEvent {
	return es.Reader.Events()
}

func (es *StartStreamTranscriptionEventStream) runOutputStream(r *request.Request) {
	var opts []func(*eventstream.Decoder)
	if r.Config.Logger != nil && r.Config.LogLevel.Matches(aws.LogDebugWithEventStreamBody) {
		opts = append(opts, eventstream.DecodeWithLogger(r.Config.Logger))
	}

	unmarshalerForEvent := unmarshalerForTranscriptResultStreamEvent{
		metadata: protocol.ResponseMetadata{
			StatusCode: r.HTTPResponse.StatusCode,
			RequestID:  r.RequestID,
		},
	}.UnmarshalerForEventName

	decoder := eventstream.NewDecoder(r.HTTPResponse.Body, opts...)
	eventReader := eventstreamapi.NewEventReader(decoder,
		protocol.HandlerPayloadUnmarshal{
			Unmarshalers: r.Handlers.UnmarshalStream,
		},
		unmarshalerForEvent,
	)

	es.outputReader = r.HTTPResponse.Body
	es.Reader = newReadTranscriptResultStream(eventReader)
}

// Close closes the stream. This will also cause the stream to be closed.
// Close must be called when done using the stream API. Not calling Close
// may result in resource leaks.
//
// Will close the underlying EventStream writer, and no more events can be
// sent.
//
// You can use the closing of the Reader's Events channel to terminate your
// application's read from the API's stream.
//
func (es *StartStreamTranscriptionEventStream) Close() (err error) {
	es.closeOnce.Do(es.safeClose)
	return es.Err()
}

func (es *StartStreamTranscriptionEventStream) safeClose() {
	if es.done != nil {
		close(es.done)
	}

	t := time.NewTicker(time.Second)
	defer t.Stop()
	writeCloseDone := make(chan error)
	go func() {
		if err := es.Writer.Close(); err != nil {
			es.err.SetError(err)
		}
		close(writeCloseDone)
	}()
	select {
	case <-t.C:
	case <-writeCloseDone:
	}
	if err := es.closeInputPipe(); err != nil {
		es.err.SetError(err)
	}

	es.Reader.Close()
	if es.outputReader != nil {
		es.outputReader.Close()
	}
}

// Err returns any error that occurred while reading or writing EventStream
// Events from the service API's response. Returns nil if there were no errors.
func (es *StartStreamTranscriptionEventStream) Err() error {
	if err := es.err.Err(); err != nil {
		return err
	}
	if err := es.Writer.Err(); err != nil {
		return err
	}
	if err := es.Reader.Err(); err != nil {
		return err
	}

	return nil
}

// A list of possible transcriptions for the audio.
type Alternative struct {
	_ struct{} `type:"structure"`

	// Contains the entities identified as personally identifiable information (PII)
	// in the transcription output.
	Entities []*Entity `type:"list"`

	// One or more alternative interpretations of the input audio.
	Items []*Item `type:"list"`

	// The text that was transcribed from the audio.
	Transcript *string `type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Alternative) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Alternative) GoString() string {
	return s.String()
}

// SetEntities sets the Entities field's value.
func (s *Alternative) SetEntities(v []*Entity) *Alternative {
	s.Entities = v
	return s
}

// SetItems sets the Items field's value.
func (s *Alternative) SetItems(v []*Item) *Alternative {
	s.Items = v
	return s
}

// SetTranscript sets the Transcript field's value.
func (s *Alternative) SetTranscript(v string) *Alternative {
	s.Transcript = &v
	return s
}

// Provides a wrapper for the audio chunks that you are sending.
//
// For information on audio encoding in Amazon Transcribe, see Speech input
// (https://docs.aws.amazon.com/transcribe/latest/dg/input.html). For information
// on audio encoding formats in Amazon Transcribe Medical, see Speech input
// (https://docs.aws.amazon.com/transcribe/latest/dg/input-med.html).
type AudioEvent struct {
	_ struct{} `type:"structure" payload:"AudioChunk"`

	// An audio blob that contains the next part of the audio that you want to transcribe.
	// The maximum audio chunk size is 32 KB.
	// AudioChunk is automatically base64 encoded/decoded by the SDK.
	AudioChunk []byte `type:"blob"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s AudioEvent) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s AudioEvent) GoString() string {
	return s.String()
}

// SetAudioChunk sets the AudioChunk field's value.
func (s *AudioEvent) SetAudioChunk(v []byte) *AudioEvent {
	s.AudioChunk = v
	return s
}

// The AudioEvent is and event in the AudioStream group of events.
func (s *AudioEvent) eventAudioStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the AudioEvent value.
// This method is only used internally within the SDK's EventStream handling.
func (s *AudioEvent) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	s.AudioChunk = make([]byte, len(msg.Payload))
	copy(s.AudioChunk, msg.Payload)
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *AudioEvent) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.EventMessageType))
	msg.Headers.Set(":content-type", eventstream.StringValue("application/octet-stream"))
	msg.Payload = s.AudioChunk
	return msg, err
}

// AudioStreamEvent groups together all EventStream
// events writes for AudioStream.
//
// These events are:
//
//     * AudioEvent
type AudioStreamEvent interface {
	eventAudioStream()
	eventstreamapi.Marshaler
	eventstreamapi.Unmarshaler
}

// AudioStreamWriter provides the interface for writing events to the stream.
// The default implementation for this interface will be AudioStream.
//
// The writer's Close method must allow multiple concurrent calls.
//
// These events are:
//
//     * AudioEvent
type AudioStreamWriter interface {
	// Sends writes events to the stream blocking until the event has been
	// written. An error is returned if the write fails.
	Send(aws.Context, AudioStreamEvent) error

	// Close will stop the writer writing to the event stream.
	Close() error

	// Returns any error that has occurred while writing to the event stream.
	Err() error
}

type writeAudioStream struct {
	*eventstreamapi.StreamWriter
}

func (w *writeAudioStream) Send(ctx aws.Context, event AudioStreamEvent) error {
	return w.StreamWriter.Send(ctx, event)
}

func eventTypeForAudioStreamEvent(event eventstreamapi.Marshaler) (string, error) {
	switch event.(type) {
	case *AudioEvent:
		return "AudioEvent", nil
	default:
		return "", awserr.New(
			request.ErrCodeSerialization,
			fmt.Sprintf("unknown event type, %T, for AudioStream", event),
			nil,
		)
	}
}

// One or more arguments to the StartStreamTranscription or StartMedicalStreamTranscription
// operation was invalid. For example, MediaEncoding was not set to a valid
// encoding, or LanguageCode was not set to a valid code. Check the parameters
// and try your request again.
type BadRequestException struct {
	_            struct{}                  `type:"structure"`
	RespMetadata protocol.ResponseMetadata `json:"-" xml:"-"`

	Message_ *string `locationName:"Message" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s BadRequestException) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s BadRequestException) GoString() string {
	return s.String()
}

// The BadRequestException is and event in the MedicalTranscriptResultStream group of events.
func (s *BadRequestException) eventMedicalTranscriptResultStream() {}

// The BadRequestException is and event in the TranscriptResultStream group of events.
func (s *BadRequestException) eventTranscriptResultStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the BadRequestException value.
// This method is only used internally within the SDK's EventStream handling.
func (s *BadRequestException) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	if err := payloadUnmarshaler.UnmarshalPayload(
		bytes.NewReader(msg.Payload), s,
	); err != nil {
		return err
	}
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *BadRequestException) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.ExceptionMessageType))
	var buf bytes.Buffer
	if err = pm.MarshalPayload(&buf, s); err != nil {
		return eventstream.Message{}, err
	}
	msg.Payload = buf.Bytes()
	return msg, err
}

func newErrorBadRequestException(v protocol.ResponseMetadata) error {
	return &BadRequestException{
		RespMetadata: v,
	}
}

// Code returns the exception type name.
func (s *BadRequestException) Code() string {
	return "BadRequestException"
}

// Message returns the exception's message.
func (s *BadRequestException) Message() string {
	if s.Message_ != nil {
		return *s.Message_
	}
	return ""
}

// OrigErr always returns nil, satisfies awserr.Error interface.
func (s *BadRequestException) OrigErr() error {
	return nil
}

func (s *BadRequestException) Error() string {
	return fmt.Sprintf("%s: %s", s.Code(), s.Message())
}

// Status code returns the HTTP status code for the request's response error.
func (s *BadRequestException) StatusCode() int {
	return s.RespMetadata.StatusCode
}

// RequestID returns the service's response RequestID for request.
func (s *BadRequestException) RequestID() string {
	return s.RespMetadata.RequestID
}

// A new stream started with the same session ID. The current stream has been
// terminated.
type ConflictException struct {
	_            struct{}                  `type:"structure"`
	RespMetadata protocol.ResponseMetadata `json:"-" xml:"-"`

	Message_ *string `locationName:"Message" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s ConflictException) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s ConflictException) GoString() string {
	return s.String()
}

// The ConflictException is and event in the MedicalTranscriptResultStream group of events.
func (s *ConflictException) eventMedicalTranscriptResultStream() {}

// The ConflictException is and event in the TranscriptResultStream group of events.
func (s *ConflictException) eventTranscriptResultStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the ConflictException value.
// This method is only used internally within the SDK's EventStream handling.
func (s *ConflictException) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	if err := payloadUnmarshaler.UnmarshalPayload(
		bytes.NewReader(msg.Payload), s,
	); err != nil {
		return err
	}
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *ConflictException) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.ExceptionMessageType))
	var buf bytes.Buffer
	if err = pm.MarshalPayload(&buf, s); err != nil {
		return eventstream.Message{}, err
	}
	msg.Payload = buf.Bytes()
	return msg, err
}

func newErrorConflictException(v protocol.ResponseMetadata) error {
	return &ConflictException{
		RespMetadata: v,
	}
}

// Code returns the exception type name.
func (s *ConflictException) Code() string {
	return "ConflictException"
}

// Message returns the exception's message.
func (s *ConflictException) Message() string {
	if s.Message_ != nil {
		return *s.Message_
	}
	return ""
}

// OrigErr always returns nil, satisfies awserr.Error interface.
func (s *ConflictException) OrigErr() error {
	return nil
}

func (s *ConflictException) Error() string {
	return fmt.Sprintf("%s: %s", s.Code(), s.Message())
}

// Status code returns the HTTP status code for the request's response error.
func (s *ConflictException) StatusCode() int {
	return s.RespMetadata.StatusCode
}

// RequestID returns the service's response RequestID for request.
func (s *ConflictException) RequestID() string {
	return s.RespMetadata.RequestID
}

// The entity identified as personally identifiable information (PII).
type Entity struct {
	_ struct{} `type:"structure"`

	// The category of of information identified in this entity; for example, PII.
	Category *string `type:"string"`

	// A value between zero and one that Amazon Transcribe assigns to PII identified
	// in the source audio. Larger values indicate a higher confidence in PII identification.
	Confidence *float64 `type:"double"`

	// The words in the transcription output that have been identified as a PII
	// entity.
	Content *string `type:"string"`

	// The end time of speech that was identified as PII.
	EndTime *float64 `type:"double"`

	// The start time of speech that was identified as PII.
	StartTime *float64 `type:"double"`

	// The type of PII identified in this entity; for example, name or credit card
	// number.
	Type *string `type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Entity) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Entity) GoString() string {
	return s.String()
}

// SetCategory sets the Category field's value.
func (s *Entity) SetCategory(v string) *Entity {
	s.Category = &v
	return s
}

// SetConfidence sets the Confidence field's value.
func (s *Entity) SetConfidence(v float64) *Entity {
	s.Confidence = &v
	return s
}

// SetContent sets the Content field's value.
func (s *Entity) SetContent(v string) *Entity {
	s.Content = &v
	return s
}

// SetEndTime sets the EndTime field's value.
func (s *Entity) SetEndTime(v float64) *Entity {
	s.EndTime = &v
	return s
}

// SetStartTime sets the StartTime field's value.
func (s *Entity) SetStartTime(v float64) *Entity {
	s.StartTime = &v
	return s
}

// SetType sets the Type field's value.
func (s *Entity) SetType(v string) *Entity {
	s.Type = &v
	return s
}

// A problem occurred while processing the audio. Amazon Transcribe or Amazon
// Transcribe Medical terminated processing. Try your request again.
type InternalFailureException struct {
	_            struct{}                  `type:"structure"`
	RespMetadata protocol.ResponseMetadata `json:"-" xml:"-"`

	Message_ *string `locationName:"Message" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s InternalFailureException) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s InternalFailureException) GoString() string {
	return s.String()
}

// The InternalFailureException is and event in the MedicalTranscriptResultStream group of events.
func (s *InternalFailureException) eventMedicalTranscriptResultStream() {}

// The InternalFailureException is and event in the TranscriptResultStream group of events.
func (s *InternalFailureException) eventTranscriptResultStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the InternalFailureException value.
// This method is only used internally within the SDK's EventStream handling.
func (s *InternalFailureException) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	if err := payloadUnmarshaler.UnmarshalPayload(
		bytes.NewReader(msg.Payload), s,
	); err != nil {
		return err
	}
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *InternalFailureException) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.ExceptionMessageType))
	var buf bytes.Buffer
	if err = pm.MarshalPayload(&buf, s); err != nil {
		return eventstream.Message{}, err
	}
	msg.Payload = buf.Bytes()
	return msg, err
}

func newErrorInternalFailureException(v protocol.ResponseMetadata) error {
	return &InternalFailureException{
		RespMetadata: v,
	}
}

// Code returns the exception type name.
func (s *InternalFailureException) Code() string {
	return "InternalFailureException"
}

// Message returns the exception's message.
func (s *InternalFailureException) Message() string {
	if s.Message_ != nil {
		return *s.Message_
	}
	return ""
}

// OrigErr always returns nil, satisfies awserr.Error interface.
func (s *InternalFailureException) OrigErr() error {
	return nil
}

func (s *InternalFailureException) Error() string {
	return fmt.Sprintf("%s: %s", s.Code(), s.Message())
}

// Status code returns the HTTP status code for the request's response error.
func (s *InternalFailureException) StatusCode() int {
	return s.RespMetadata.StatusCode
}

// RequestID returns the service's response RequestID for request.
func (s *InternalFailureException) RequestID() string {
	return s.RespMetadata.RequestID
}

// A word, phrase, or punctuation mark that is transcribed from the input audio.
type Item struct {
	_ struct{} `type:"structure"`

	// A value between 0 and 1 for an item that is a confidence score that Amazon
	// Transcribe assigns to each word or phrase that it transcribes.
	Confidence *float64 `type:"double"`

	// The word or punctuation that was recognized in the input audio.
	Content *string `type:"string"`

	// The offset from the beginning of the audio stream to the end of the audio
	// that resulted in the item.
	EndTime *float64 `type:"double"`

	// If speaker identification is enabled, shows the speakers identified in the
	// real-time stream.
	Speaker *string `type:"string"`

	// If partial result stabilization has been enabled, indicates whether the word
	// or phrase in the item is stable. If Stable is true, the result is stable.
	Stable *bool `type:"boolean"`

	// The offset from the beginning of the audio stream to the beginning of the
	// audio that resulted in the item.
	StartTime *float64 `type:"double"`

	// The type of the item. PRONUNCIATION indicates that the item is a word that
	// was recognized in the input audio. PUNCTUATION indicates that the item was
	// interpreted as a pause in the input audio.
	Type *string `type:"string" enum:"ItemType"`

	// Indicates whether a word in the item matches a word in the vocabulary filter
	// you've chosen for your real-time stream. If true then a word in the item
	// matches your vocabulary filter.
	VocabularyFilterMatch *bool `type:"boolean"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Item) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Item) GoString() string {
	return s.String()
}

// SetConfidence sets the Confidence field's value.
func (s *Item) SetConfidence(v float64) *Item {
	s.Confidence = &v
	return s
}

// SetContent sets the Content field's value.
func (s *Item) SetContent(v string) *Item {
	s.Content = &v
	return s
}

// SetEndTime sets the EndTime field's value.
func (s *Item) SetEndTime(v float64) *Item {
	s.EndTime = &v
	return s
}

// SetSpeaker sets the Speaker field's value.
func (s *Item) SetSpeaker(v string) *Item {
	s.Speaker = &v
	return s
}

// SetStable sets the Stable field's value.
func (s *Item) SetStable(v bool) *Item {
	s.Stable = &v
	return s
}

// SetStartTime sets the StartTime field's value.
func (s *Item) SetStartTime(v float64) *Item {
	s.StartTime = &v
	return s
}

// SetType sets the Type field's value.
func (s *Item) SetType(v string) *Item {
	s.Type = &v
	return s
}

// SetVocabularyFilterMatch sets the VocabularyFilterMatch field's value.
func (s *Item) SetVocabularyFilterMatch(v bool) *Item {
	s.VocabularyFilterMatch = &v
	return s
}

// You have exceeded the maximum number of concurrent transcription streams,
// are starting transcription streams too quickly, or the maximum audio length
// of 4 hours. Wait until a stream has finished processing, or break your audio
// stream into smaller chunks and try your request again.
type LimitExceededException struct {
	_            struct{}                  `type:"structure"`
	RespMetadata protocol.ResponseMetadata `json:"-" xml:"-"`

	Message_ *string `locationName:"Message" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s LimitExceededException) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s LimitExceededException) GoString() string {
	return s.String()
}

// The LimitExceededException is and event in the MedicalTranscriptResultStream group of events.
func (s *LimitExceededException) eventMedicalTranscriptResultStream() {}

// The LimitExceededException is and event in the TranscriptResultStream group of events.
func (s *LimitExceededException) eventTranscriptResultStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the LimitExceededException value.
// This method is only used internally within the SDK's EventStream handling.
func (s *LimitExceededException) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	if err := payloadUnmarshaler.UnmarshalPayload(
		bytes.NewReader(msg.Payload), s,
	); err != nil {
		return err
	}
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *LimitExceededException) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.ExceptionMessageType))
	var buf bytes.Buffer
	if err = pm.MarshalPayload(&buf, s); err != nil {
		return eventstream.Message{}, err
	}
	msg.Payload = buf.Bytes()
	return msg, err
}

func newErrorLimitExceededException(v protocol.ResponseMetadata) error {
	return &LimitExceededException{
		RespMetadata: v,
	}
}

// Code returns the exception type name.
func (s *LimitExceededException) Code() string {
	return "LimitExceededException"
}

// Message returns the exception's message.
func (s *LimitExceededException) Message() string {
	if s.Message_ != nil {
		return *s.Message_
	}
	return ""
}

// OrigErr always returns nil, satisfies awserr.Error interface.
func (s *LimitExceededException) OrigErr() error {
	return nil
}

func (s *LimitExceededException) Error() string {
	return fmt.Sprintf("%s: %s", s.Code(), s.Message())
}

// Status code returns the HTTP status code for the request's response error.
func (s *LimitExceededException) StatusCode() int {
	return s.RespMetadata.StatusCode
}

// RequestID returns the service's response RequestID for request.
func (s *LimitExceededException) RequestID() string {
	return s.RespMetadata.RequestID
}

// A list of possible transcriptions for the audio.
type MedicalAlternative struct {
	_ struct{} `type:"structure"`

	// Contains the medical entities identified as personal health information in
	// the transcription output.
	Entities []*MedicalEntity `type:"list"`

	// A list of objects that contains words and punctuation marks that represents
	// one or more interpretations of the input audio.
	Items []*MedicalItem `type:"list"`

	// The text that was transcribed from the audio.
	Transcript *string `type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalAlternative) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalAlternative) GoString() string {
	return s.String()
}

// SetEntities sets the Entities field's value.
func (s *MedicalAlternative) SetEntities(v []*MedicalEntity) *MedicalAlternative {
	s.Entities = v
	return s
}

// SetItems sets the Items field's value.
func (s *MedicalAlternative) SetItems(v []*MedicalItem) *MedicalAlternative {
	s.Items = v
	return s
}

// SetTranscript sets the Transcript field's value.
func (s *MedicalAlternative) SetTranscript(v string) *MedicalAlternative {
	s.Transcript = &v
	return s
}

// The medical entity identified as personal health information.
type MedicalEntity struct {
	_ struct{} `type:"structure"`

	// The type of personal health information of the medical entity.
	Category *string `type:"string"`

	// A value between zero and one that Amazon Transcribe Medical assigned to the
	// personal health information that it identified in the source audio. Larger
	// values indicate that Amazon Transcribe Medical has higher confidence in the
	// personal health information that it identified.
	Confidence *float64 `type:"double"`

	// The word or words in the transcription output that have been identified as
	// a medical entity.
	Content *string `type:"string"`

	// The end time of the speech that was identified as a medical entity.
	EndTime *float64 `type:"double"`

	// The start time of the speech that was identified as a medical entity.
	StartTime *float64 `type:"double"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalEntity) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalEntity) GoString() string {
	return s.String()
}

// SetCategory sets the Category field's value.
func (s *MedicalEntity) SetCategory(v string) *MedicalEntity {
	s.Category = &v
	return s
}

// SetConfidence sets the Confidence field's value.
func (s *MedicalEntity) SetConfidence(v float64) *MedicalEntity {
	s.Confidence = &v
	return s
}

// SetContent sets the Content field's value.
func (s *MedicalEntity) SetContent(v string) *MedicalEntity {
	s.Content = &v
	return s
}

// SetEndTime sets the EndTime field's value.
func (s *MedicalEntity) SetEndTime(v float64) *MedicalEntity {
	s.EndTime = &v
	return s
}

// SetStartTime sets the StartTime field's value.
func (s *MedicalEntity) SetStartTime(v float64) *MedicalEntity {
	s.StartTime = &v
	return s
}

// A word, phrase, or punctuation mark that is transcribed from the input audio.
type MedicalItem struct {
	_ struct{} `type:"structure"`

	// A value between 0 and 1 for an item that is a confidence score that Amazon
	// Transcribe Medical assigns to each word that it transcribes.
	Confidence *float64 `type:"double"`

	// The word or punctuation mark that was recognized in the input audio.
	Content *string `type:"string"`

	// The number of seconds into an audio stream that indicates the creation time
	// of an item.
	EndTime *float64 `type:"double"`

	// If speaker identification is enabled, shows the integer values that correspond
	// to the different speakers identified in the stream. For example, if the value
	// of Speaker in the stream is either a 0 or a 1, that indicates that Amazon
	// Transcribe Medical has identified two speakers in the stream. The value of
	// 0 corresponds to one speaker and the value of 1 corresponds to the other
	// speaker.
	Speaker *string `type:"string"`

	// The number of seconds into an audio stream that indicates the creation time
	// of an item.
	StartTime *float64 `type:"double"`

	// The type of the item. PRONUNCIATION indicates that the item is a word that
	// was recognized in the input audio. PUNCTUATION indicates that the item was
	// interpreted as a pause in the input audio, such as a period to indicate the
	// end of a sentence.
	Type *string `type:"string" enum:"ItemType"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalItem) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalItem) GoString() string {
	return s.String()
}

// SetConfidence sets the Confidence field's value.
func (s *MedicalItem) SetConfidence(v float64) *MedicalItem {
	s.Confidence = &v
	return s
}

// SetContent sets the Content field's value.
func (s *MedicalItem) SetContent(v string) *MedicalItem {
	s.Content = &v
	return s
}

// SetEndTime sets the EndTime field's value.
func (s *MedicalItem) SetEndTime(v float64) *MedicalItem {
	s.EndTime = &v
	return s
}

// SetSpeaker sets the Speaker field's value.
func (s *MedicalItem) SetSpeaker(v string) *MedicalItem {
	s.Speaker = &v
	return s
}

// SetStartTime sets the StartTime field's value.
func (s *MedicalItem) SetStartTime(v float64) *MedicalItem {
	s.StartTime = &v
	return s
}

// SetType sets the Type field's value.
func (s *MedicalItem) SetType(v string) *MedicalItem {
	s.Type = &v
	return s
}

// The results of transcribing a portion of the input audio stream.
type MedicalResult struct {
	_ struct{} `type:"structure"`

	// A list of possible transcriptions of the audio. Each alternative typically
	// contains one Item that contains the result of the transcription.
	Alternatives []*MedicalAlternative `type:"list"`

	// When channel identification is enabled, Amazon Transcribe Medical transcribes
	// the speech from each audio channel separately.
	//
	// You can use ChannelId to retrieve the transcription results for a single
	// channel in your audio stream.
	ChannelId *string `type:"string"`

	// The time, in seconds, from the beginning of the audio stream to the end of
	// the result.
	EndTime *float64 `type:"double"`

	// Amazon Transcribe Medical divides the incoming audio stream into segments
	// at natural points in the audio. Transcription results are returned based
	// on these segments.
	//
	// The IsPartial field is true to indicate that Amazon Transcribe Medical has
	// additional transcription data to send. The IsPartial field is false to indicate
	// that this is the last transcription result for the segment.
	IsPartial *bool `type:"boolean"`

	// A unique identifier for the result.
	ResultId *string `type:"string"`

	// The time, in seconds, from the beginning of the audio stream to the beginning
	// of the result.
	StartTime *float64 `type:"double"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalResult) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalResult) GoString() string {
	return s.String()
}

// SetAlternatives sets the Alternatives field's value.
func (s *MedicalResult) SetAlternatives(v []*MedicalAlternative) *MedicalResult {
	s.Alternatives = v
	return s
}

// SetChannelId sets the ChannelId field's value.
func (s *MedicalResult) SetChannelId(v string) *MedicalResult {
	s.ChannelId = &v
	return s
}

// SetEndTime sets the EndTime field's value.
func (s *MedicalResult) SetEndTime(v float64) *MedicalResult {
	s.EndTime = &v
	return s
}

// SetIsPartial sets the IsPartial field's value.
func (s *MedicalResult) SetIsPartial(v bool) *MedicalResult {
	s.IsPartial = &v
	return s
}

// SetResultId sets the ResultId field's value.
func (s *MedicalResult) SetResultId(v string) *MedicalResult {
	s.ResultId = &v
	return s
}

// SetStartTime sets the StartTime field's value.
func (s *MedicalResult) SetStartTime(v float64) *MedicalResult {
	s.StartTime = &v
	return s
}

// The medical transcript in a MedicalTranscriptEvent.
type MedicalTranscript struct {
	_ struct{} `type:"structure"`

	// MedicalResult objects that contain the results of transcribing a portion
	// of the input audio stream. The array can be empty.
	Results []*MedicalResult `type:"list"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalTranscript) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalTranscript) GoString() string {
	return s.String()
}

// SetResults sets the Results field's value.
func (s *MedicalTranscript) SetResults(v []*MedicalResult) *MedicalTranscript {
	s.Results = v
	return s
}

// Represents a set of transcription results from the server to the client.
// It contains one or more segments of the transcription.
type MedicalTranscriptEvent struct {
	_ struct{} `type:"structure"`

	// The transcription of the audio stream. The transcription is composed of all
	// of the items in the results list.
	Transcript *MedicalTranscript `type:"structure"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalTranscriptEvent) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s MedicalTranscriptEvent) GoString() string {
	return s.String()
}

// SetTranscript sets the Transcript field's value.
func (s *MedicalTranscriptEvent) SetTranscript(v *MedicalTranscript) *MedicalTranscriptEvent {
	s.Transcript = v
	return s
}

// The MedicalTranscriptEvent is and event in the MedicalTranscriptResultStream group of events.
func (s *MedicalTranscriptEvent) eventMedicalTranscriptResultStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the MedicalTranscriptEvent value.
// This method is only used internally within the SDK's EventStream handling.
func (s *MedicalTranscriptEvent) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	if err := payloadUnmarshaler.UnmarshalPayload(
		bytes.NewReader(msg.Payload), s,
	); err != nil {
		return err
	}
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *MedicalTranscriptEvent) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.EventMessageType))
	var buf bytes.Buffer
	if err = pm.MarshalPayload(&buf, s); err != nil {
		return eventstream.Message{}, err
	}
	msg.Payload = buf.Bytes()
	return msg, err
}

// MedicalTranscriptResultStreamEvent groups together all EventStream
// events writes for MedicalTranscriptResultStream.
//
// These events are:
//
//     * MedicalTranscriptEvent
type MedicalTranscriptResultStreamEvent interface {
	eventMedicalTranscriptResultStream()
	eventstreamapi.Marshaler
	eventstreamapi.Unmarshaler
}

// MedicalTranscriptResultStreamReader provides the interface for reading to the stream. The
// default implementation for this interface will be MedicalTranscriptResultStream.
//
// The reader's Close method must allow multiple concurrent calls.
//
// These events are:
//
//     * MedicalTranscriptEvent
//     * MedicalTranscriptResultStreamUnknownEvent
type MedicalTranscriptResultStreamReader interface {
	// Returns a channel of events as they are read from the event stream.
	Events() <-chan MedicalTranscriptResultStreamEvent

	// Close will stop the reader reading events from the stream.
	Close() error

	// Returns any error that has occurred while reading from the event stream.
	Err() error
}

type readMedicalTranscriptResultStream struct {
	eventReader *eventstreamapi.EventReader
	stream      chan MedicalTranscriptResultStreamEvent
	err         *eventstreamapi.OnceError

	done      chan struct{}
	closeOnce sync.Once
}

func newReadMedicalTranscriptResultStream(eventReader *eventstreamapi.EventReader) *readMedicalTranscriptResultStream {
	r := &readMedicalTranscriptResultStream{
		eventReader: eventReader,
		stream:      make(chan MedicalTranscriptResultStreamEvent),
		done:        make(chan struct{}),
		err:         eventstreamapi.NewOnceError(),
	}
	go r.readEventStream()

	return r
}

// Close will close the underlying event stream reader.
func (r *readMedicalTranscriptResultStream) Close() error {
	r.closeOnce.Do(r.safeClose)
	return r.Err()
}

func (r *readMedicalTranscriptResultStream) ErrorSet() <-chan struct{} {
	return r.err.ErrorSet()
}

func (r *readMedicalTranscriptResultStream) Closed() <-chan struct{} {
	return r.done
}

func (r *readMedicalTranscriptResultStream) safeClose() {
	close(r.done)
}

func (r *readMedicalTranscriptResultStream) Err() error {
	return r.err.Err()
}

func (r *readMedicalTranscriptResultStream) Events() <-chan MedicalTranscriptResultStreamEvent {
	return r.stream
}

func (r *readMedicalTranscriptResultStream) readEventStream() {
	defer r.Close()
	defer close(r.stream)

	for {
		event, err := r.eventReader.ReadEvent()
		if err != nil {
			if err == io.EOF {
				return
			}
			select {
			case <-r.done:
				// If closed already ignore the error
				return
			default:
			}
			if _, ok := err.(*eventstreamapi.UnknownMessageTypeError); ok {
				continue
			}
			r.err.SetError(err)
			return
		}

		select {
		case r.stream <- event.(MedicalTranscriptResultStreamEvent):
		case <-r.done:
			return
		}
	}
}

type unmarshalerForMedicalTranscriptResultStreamEvent struct {
	metadata protocol.ResponseMetadata
}

func (u unmarshalerForMedicalTranscriptResultStreamEvent) UnmarshalerForEventName(eventType string) (eventstreamapi.Unmarshaler, error) {
	switch eventType {
	case "TranscriptEvent":
		return &MedicalTranscriptEvent{}, nil
	case "BadRequestException":
		return newErrorBadRequestException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "ConflictException":
		return newErrorConflictException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "InternalFailureException":
		return newErrorInternalFailureException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "LimitExceededException":
		return newErrorLimitExceededException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "ServiceUnavailableException":
		return newErrorServiceUnavailableException(u.metadata).(eventstreamapi.Unmarshaler), nil
	default:
		return &MedicalTranscriptResultStreamUnknownEvent{Type: eventType}, nil
	}
}

// MedicalTranscriptResultStreamUnknownEvent provides a failsafe event for the
// MedicalTranscriptResultStream group of events when an unknown event is received.
type MedicalTranscriptResultStreamUnknownEvent struct {
	Type    string
	Message eventstream.Message
}

// The MedicalTranscriptResultStreamUnknownEvent is and event in the MedicalTranscriptResultStream
// group of events.
func (s *MedicalTranscriptResultStreamUnknownEvent) eventMedicalTranscriptResultStream() {}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (e *MedicalTranscriptResultStreamUnknownEvent) MarshalEvent(pm protocol.PayloadMarshaler) (
	msg eventstream.Message, err error,
) {
	return e.Message.Clone(), nil
}

// UnmarshalEvent unmarshals the EventStream Message into the MedicalTranscriptResultStream value.
// This method is only used internally within the SDK's EventStream handling.
func (e *MedicalTranscriptResultStreamUnknownEvent) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	e.Message = msg.Clone()
	return nil
}

// The result of transcribing a portion of the input audio stream.
type Result struct {
	_ struct{} `type:"structure"`

	// A list of possible transcriptions for the audio. Each alternative typically
	// contains one item that contains the result of the transcription.
	Alternatives []*Alternative `type:"list"`

	// When channel identification is enabled, Amazon Transcribe transcribes the
	// speech from each audio channel separately.
	//
	// You can use ChannelId to retrieve the transcription results for a single
	// channel in your audio stream.
	ChannelId *string `type:"string"`

	// The offset in seconds from the beginning of the audio stream to the end of
	// the result.
	EndTime *float64 `type:"double"`

	// Amazon Transcribe divides the incoming audio stream into segments at natural
	// points in the audio. Transcription results are returned based on these segments.
	//
	// The IsPartial field is true to indicate that Amazon Transcribe has additional
	// transcription data to send, false to indicate that this is the last transcription
	// result for the segment.
	IsPartial *bool `type:"boolean"`

	// A unique identifier for the result.
	ResultId *string `type:"string"`

	// The offset in seconds from the beginning of the audio stream to the beginning
	// of the result.
	StartTime *float64 `type:"double"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Result) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Result) GoString() string {
	return s.String()
}

// SetAlternatives sets the Alternatives field's value.
func (s *Result) SetAlternatives(v []*Alternative) *Result {
	s.Alternatives = v
	return s
}

// SetChannelId sets the ChannelId field's value.
func (s *Result) SetChannelId(v string) *Result {
	s.ChannelId = &v
	return s
}

// SetEndTime sets the EndTime field's value.
func (s *Result) SetEndTime(v float64) *Result {
	s.EndTime = &v
	return s
}

// SetIsPartial sets the IsPartial field's value.
func (s *Result) SetIsPartial(v bool) *Result {
	s.IsPartial = &v
	return s
}

// SetResultId sets the ResultId field's value.
func (s *Result) SetResultId(v string) *Result {
	s.ResultId = &v
	return s
}

// SetStartTime sets the StartTime field's value.
func (s *Result) SetStartTime(v float64) *Result {
	s.StartTime = &v
	return s
}

// Service is currently unavailable. Try your request later.
type ServiceUnavailableException struct {
	_            struct{}                  `type:"structure"`
	RespMetadata protocol.ResponseMetadata `json:"-" xml:"-"`

	Message_ *string `locationName:"Message" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s ServiceUnavailableException) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s ServiceUnavailableException) GoString() string {
	return s.String()
}

// The ServiceUnavailableException is and event in the MedicalTranscriptResultStream group of events.
func (s *ServiceUnavailableException) eventMedicalTranscriptResultStream() {}

// The ServiceUnavailableException is and event in the TranscriptResultStream group of events.
func (s *ServiceUnavailableException) eventTranscriptResultStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the ServiceUnavailableException value.
// This method is only used internally within the SDK's EventStream handling.
func (s *ServiceUnavailableException) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	if err := payloadUnmarshaler.UnmarshalPayload(
		bytes.NewReader(msg.Payload), s,
	); err != nil {
		return err
	}
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *ServiceUnavailableException) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.ExceptionMessageType))
	var buf bytes.Buffer
	if err = pm.MarshalPayload(&buf, s); err != nil {
		return eventstream.Message{}, err
	}
	msg.Payload = buf.Bytes()
	return msg, err
}

func newErrorServiceUnavailableException(v protocol.ResponseMetadata) error {
	return &ServiceUnavailableException{
		RespMetadata: v,
	}
}

// Code returns the exception type name.
func (s *ServiceUnavailableException) Code() string {
	return "ServiceUnavailableException"
}

// Message returns the exception's message.
func (s *ServiceUnavailableException) Message() string {
	if s.Message_ != nil {
		return *s.Message_
	}
	return ""
}

// OrigErr always returns nil, satisfies awserr.Error interface.
func (s *ServiceUnavailableException) OrigErr() error {
	return nil
}

func (s *ServiceUnavailableException) Error() string {
	return fmt.Sprintf("%s: %s", s.Code(), s.Message())
}

// Status code returns the HTTP status code for the request's response error.
func (s *ServiceUnavailableException) StatusCode() int {
	return s.RespMetadata.StatusCode
}

// RequestID returns the service's response RequestID for request.
func (s *ServiceUnavailableException) RequestID() string {
	return s.RespMetadata.RequestID
}

type StartMedicalStreamTranscriptionInput struct {
	_ struct{} `type:"structure" payload:"AudioStream"`

	// Set this field to PHI to identify personal health information in the transcription
	// output.
	ContentIdentificationType *string `location:"header" locationName:"x-amzn-transcribe-content-identification-type" type:"string" enum:"MedicalContentIdentificationType"`

	// When true, instructs Amazon Transcribe Medical to process each audio channel
	// separately and then merge the transcription output of each channel into a
	// single transcription.
	//
	// Amazon Transcribe Medical also produces a transcription of each item. An
	// item includes the start time, end time, and any alternative transcriptions.
	//
	// You can't set both ShowSpeakerLabel and EnableChannelIdentification in the
	// same request. If you set both, your request returns a BadRequestException.
	EnableChannelIdentification *bool `location:"header" locationName:"x-amzn-transcribe-enable-channel-identification" type:"boolean"`

	// Indicates the source language used in the input audio stream. For Amazon
	// Transcribe Medical, this is US English (en-US).
	//
	// LanguageCode is a required field
	LanguageCode *string `location:"header" locationName:"x-amzn-transcribe-language-code" type:"string" required:"true" enum:"LanguageCode"`

	// The encoding used for the input audio.
	//
	// MediaEncoding is a required field
	MediaEncoding *string `location:"header" locationName:"x-amzn-transcribe-media-encoding" type:"string" required:"true" enum:"MediaEncoding"`

	// The sample rate of the input audio in Hertz.
	//
	// MediaSampleRateHertz is a required field
	MediaSampleRateHertz *int64 `location:"header" locationName:"x-amzn-transcribe-sample-rate" min:"8000" type:"integer" required:"true"`

	// The number of channels that are in your audio stream.
	NumberOfChannels *int64 `location:"header" locationName:"x-amzn-transcribe-number-of-channels" min:"2" type:"integer"`

	// Optional. An identifier for the transcription session. If you don't provide
	// a session ID, Amazon Transcribe generates one for you and returns it in the
	// response.
	SessionId *string `location:"header" locationName:"x-amzn-transcribe-session-id" min:"36" type:"string"`

	// When true, enables speaker identification in your real-time stream.
	ShowSpeakerLabel *bool `location:"header" locationName:"x-amzn-transcribe-show-speaker-label" type:"boolean"`

	// The medical specialty of the clinician or provider.
	//
	// Specialty is a required field
	Specialty *string `location:"header" locationName:"x-amzn-transcribe-specialty" type:"string" required:"true" enum:"Specialty"`

	// The type of input audio. Choose DICTATION for a provider dictating patient
	// notes. Choose CONVERSATION for a dialogue between a patient and one or more
	// medical professionanls.
	//
	// Type is a required field
	Type *string `location:"header" locationName:"x-amzn-transcribe-type" type:"string" required:"true" enum:"Type"`

	// The name of the medical custom vocabulary to use when processing the real-time
	// stream.
	VocabularyName *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-name" min:"1" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartMedicalStreamTranscriptionInput) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartMedicalStreamTranscriptionInput) GoString() string {
	return s.String()
}

// Validate inspects the fields of the type to determine if they are valid.
func (s *StartMedicalStreamTranscriptionInput) Validate() error {
	invalidParams := request.ErrInvalidParams{Context: "StartMedicalStreamTranscriptionInput"}
	if s.LanguageCode == nil {
		invalidParams.Add(request.NewErrParamRequired("LanguageCode"))
	}
	if s.MediaEncoding == nil {
		invalidParams.Add(request.NewErrParamRequired("MediaEncoding"))
	}
	if s.MediaSampleRateHertz == nil {
		invalidParams.Add(request.NewErrParamRequired("MediaSampleRateHertz"))
	}
	if s.MediaSampleRateHertz != nil && *s.MediaSampleRateHertz < 8000 {
		invalidParams.Add(request.NewErrParamMinValue("MediaSampleRateHertz", 8000))
	}
	if s.NumberOfChannels != nil && *s.NumberOfChannels < 2 {
		invalidParams.Add(request.NewErrParamMinValue("NumberOfChannels", 2))
	}
	if s.SessionId != nil && len(*s.SessionId) < 36 {
		invalidParams.Add(request.NewErrParamMinLen("SessionId", 36))
	}
	if s.Specialty == nil {
		invalidParams.Add(request.NewErrParamRequired("Specialty"))
	}
	if s.Type == nil {
		invalidParams.Add(request.NewErrParamRequired("Type"))
	}
	if s.VocabularyName != nil && len(*s.VocabularyName) < 1 {
		invalidParams.Add(request.NewErrParamMinLen("VocabularyName", 1))
	}

	if invalidParams.Len() > 0 {
		return invalidParams
	}
	return nil
}

// SetContentIdentificationType sets the ContentIdentificationType field's value.
func (s *StartMedicalStreamTranscriptionInput) SetContentIdentificationType(v string) *StartMedicalStreamTranscriptionInput {
	s.ContentIdentificationType = &v
	return s
}

// SetEnableChannelIdentification sets the EnableChannelIdentification field's value.
func (s *StartMedicalStreamTranscriptionInput) SetEnableChannelIdentification(v bool) *StartMedicalStreamTranscriptionInput {
	s.EnableChannelIdentification = &v
	return s
}

// SetLanguageCode sets the LanguageCode field's value.
func (s *StartMedicalStreamTranscriptionInput) SetLanguageCode(v string) *StartMedicalStreamTranscriptionInput {
	s.LanguageCode = &v
	return s
}

// SetMediaEncoding sets the MediaEncoding field's value.
func (s *StartMedicalStreamTranscriptionInput) SetMediaEncoding(v string) *StartMedicalStreamTranscriptionInput {
	s.MediaEncoding = &v
	return s
}

// SetMediaSampleRateHertz sets the MediaSampleRateHertz field's value.
func (s *StartMedicalStreamTranscriptionInput) SetMediaSampleRateHertz(v int64) *StartMedicalStreamTranscriptionInput {
	s.MediaSampleRateHertz = &v
	return s
}

// SetNumberOfChannels sets the NumberOfChannels field's value.
func (s *StartMedicalStreamTranscriptionInput) SetNumberOfChannels(v int64) *StartMedicalStreamTranscriptionInput {
	s.NumberOfChannels = &v
	return s
}

// SetSessionId sets the SessionId field's value.
func (s *StartMedicalStreamTranscriptionInput) SetSessionId(v string) *StartMedicalStreamTranscriptionInput {
	s.SessionId = &v
	return s
}

// SetShowSpeakerLabel sets the ShowSpeakerLabel field's value.
func (s *StartMedicalStreamTranscriptionInput) SetShowSpeakerLabel(v bool) *StartMedicalStreamTranscriptionInput {
	s.ShowSpeakerLabel = &v
	return s
}

// SetSpecialty sets the Specialty field's value.
func (s *StartMedicalStreamTranscriptionInput) SetSpecialty(v string) *StartMedicalStreamTranscriptionInput {
	s.Specialty = &v
	return s
}

// SetType sets the Type field's value.
func (s *StartMedicalStreamTranscriptionInput) SetType(v string) *StartMedicalStreamTranscriptionInput {
	s.Type = &v
	return s
}

// SetVocabularyName sets the VocabularyName field's value.
func (s *StartMedicalStreamTranscriptionInput) SetVocabularyName(v string) *StartMedicalStreamTranscriptionInput {
	s.VocabularyName = &v
	return s
}

type StartMedicalStreamTranscriptionOutput struct {
	_ struct{} `type:"structure" payload:"TranscriptResultStream"`

	eventStream *StartMedicalStreamTranscriptionEventStream

	// If the value is PHI, indicates that you've configured your stream to identify
	// personal health information.
	ContentIdentificationType *string `location:"header" locationName:"x-amzn-transcribe-content-identification-type" type:"string" enum:"MedicalContentIdentificationType"`

	// Shows whether channel identification has been enabled in the stream.
	EnableChannelIdentification *bool `location:"header" locationName:"x-amzn-transcribe-enable-channel-identification" type:"boolean"`

	// The language code for the response transcript. For Amazon Transcribe Medical,
	// this is US English (en-US).
	LanguageCode *string `location:"header" locationName:"x-amzn-transcribe-language-code" type:"string" enum:"LanguageCode"`

	// The encoding used for the input audio stream.
	MediaEncoding *string `location:"header" locationName:"x-amzn-transcribe-media-encoding" type:"string" enum:"MediaEncoding"`

	// The sample rate of the input audio in Hertz.
	MediaSampleRateHertz *int64 `location:"header" locationName:"x-amzn-transcribe-sample-rate" min:"8000" type:"integer"`

	// The number of channels identified in the stream.
	NumberOfChannels *int64 `location:"header" locationName:"x-amzn-transcribe-number-of-channels" min:"2" type:"integer"`

	// An identifier for the streaming transcription.
	RequestId *string `location:"header" locationName:"x-amzn-request-id" type:"string"`

	// Optional. An identifier for the transcription session. If you don't provide
	// a session ID, Amazon Transcribe generates one for you and returns it in the
	// response.
	SessionId *string `location:"header" locationName:"x-amzn-transcribe-session-id" min:"36" type:"string"`

	// Shows whether speaker identification was enabled in the stream.
	ShowSpeakerLabel *bool `location:"header" locationName:"x-amzn-transcribe-show-speaker-label" type:"boolean"`

	// The specialty in the medical domain.
	Specialty *string `location:"header" locationName:"x-amzn-transcribe-specialty" type:"string" enum:"Specialty"`

	// The type of audio that was transcribed.
	Type *string `location:"header" locationName:"x-amzn-transcribe-type" type:"string" enum:"Type"`

	// The name of the vocabulary used when processing the stream.
	VocabularyName *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-name" min:"1" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartMedicalStreamTranscriptionOutput) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartMedicalStreamTranscriptionOutput) GoString() string {
	return s.String()
}

// SetContentIdentificationType sets the ContentIdentificationType field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetContentIdentificationType(v string) *StartMedicalStreamTranscriptionOutput {
	s.ContentIdentificationType = &v
	return s
}

// SetEnableChannelIdentification sets the EnableChannelIdentification field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetEnableChannelIdentification(v bool) *StartMedicalStreamTranscriptionOutput {
	s.EnableChannelIdentification = &v
	return s
}

// SetLanguageCode sets the LanguageCode field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetLanguageCode(v string) *StartMedicalStreamTranscriptionOutput {
	s.LanguageCode = &v
	return s
}

// SetMediaEncoding sets the MediaEncoding field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetMediaEncoding(v string) *StartMedicalStreamTranscriptionOutput {
	s.MediaEncoding = &v
	return s
}

// SetMediaSampleRateHertz sets the MediaSampleRateHertz field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetMediaSampleRateHertz(v int64) *StartMedicalStreamTranscriptionOutput {
	s.MediaSampleRateHertz = &v
	return s
}

// SetNumberOfChannels sets the NumberOfChannels field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetNumberOfChannels(v int64) *StartMedicalStreamTranscriptionOutput {
	s.NumberOfChannels = &v
	return s
}

// SetRequestId sets the RequestId field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetRequestId(v string) *StartMedicalStreamTranscriptionOutput {
	s.RequestId = &v
	return s
}

// SetSessionId sets the SessionId field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetSessionId(v string) *StartMedicalStreamTranscriptionOutput {
	s.SessionId = &v
	return s
}

// SetShowSpeakerLabel sets the ShowSpeakerLabel field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetShowSpeakerLabel(v bool) *StartMedicalStreamTranscriptionOutput {
	s.ShowSpeakerLabel = &v
	return s
}

// SetSpecialty sets the Specialty field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetSpecialty(v string) *StartMedicalStreamTranscriptionOutput {
	s.Specialty = &v
	return s
}

// SetType sets the Type field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetType(v string) *StartMedicalStreamTranscriptionOutput {
	s.Type = &v
	return s
}

// SetVocabularyName sets the VocabularyName field's value.
func (s *StartMedicalStreamTranscriptionOutput) SetVocabularyName(v string) *StartMedicalStreamTranscriptionOutput {
	s.VocabularyName = &v
	return s
}

// GetStream returns the type to interact with the event stream.
func (s *StartMedicalStreamTranscriptionOutput) GetStream() *StartMedicalStreamTranscriptionEventStream {
	return s.eventStream
}

type StartStreamTranscriptionInput struct {
	_ struct{} `type:"structure" payload:"AudioStream"`

	// Set this field to PII to identify personally identifiable information (PII)
	// in the transcription output. Content identification is performed only upon
	// complete transcription of the audio segments.
	//
	// You can’t set both ContentIdentificationType and ContentRedactionType in
	// the same request. If you set both, your request returns a BadRequestException.
	ContentIdentificationType *string `location:"header" locationName:"x-amzn-transcribe-content-identification-type" type:"string" enum:"ContentIdentificationType"`

	// Set this field to PII to redact personally identifiable information (PII)
	// in the transcription output. Content redaction is performed only upon complete
	// transcription of the audio segments.
	//
	// You can’t set both ContentRedactionType and ContentIdentificationType in
	// the same request. If you set both, your request returns a BadRequestException.
	ContentRedactionType *string `location:"header" locationName:"x-amzn-transcribe-content-redaction-type" type:"string" enum:"ContentRedactionType"`

	// When true, instructs Amazon Transcribe to process each audio channel separately
	// and then merge the transcription output of each channel into a single transcription.
	//
	// Amazon Transcribe also produces a transcription of each item. An item includes
	// the start time, end time, and any alternative transcriptions.
	//
	// You can't set both ShowSpeakerLabel and EnableChannelIdentification in the
	// same request. If you set both, your request returns a BadRequestException.
	EnableChannelIdentification *bool `location:"header" locationName:"x-amzn-transcribe-enable-channel-identification" type:"boolean"`

	// When true, instructs Amazon Transcribe to present transcription results that
	// have the partial results stabilized. Normally, any word or phrase from one
	// partial result can change in a subsequent partial result. With partial results
	// stabilization enabled, only the last few words of one partial result can
	// change in another partial result.
	EnablePartialResultsStabilization *bool `location:"header" locationName:"x-amzn-transcribe-enable-partial-results-stabilization" type:"boolean"`

	// Indicates the source language used in the input audio stream.
	//
	// LanguageCode is a required field
	LanguageCode *string `location:"header" locationName:"x-amzn-transcribe-language-code" type:"string" required:"true" enum:"LanguageCode"`

	// The encoding used for the input audio.
	//
	// MediaEncoding is a required field
	MediaEncoding *string `location:"header" locationName:"x-amzn-transcribe-media-encoding" type:"string" required:"true" enum:"MediaEncoding"`

	// The sample rate, in Hertz, of the input audio. We suggest that you use 8,000
	// Hz for low quality audio and 16,000 Hz for high quality audio.
	//
	// MediaSampleRateHertz is a required field
	MediaSampleRateHertz *int64 `location:"header" locationName:"x-amzn-transcribe-sample-rate" min:"8000" type:"integer" required:"true"`

	// The number of channels that are in your audio stream.
	NumberOfChannels *int64 `location:"header" locationName:"x-amzn-transcribe-number-of-channels" min:"2" type:"integer"`

	// You can use this field to set the stability level of the transcription results.
	// A higher stability level means that the transcription results are less likely
	// to change. Higher stability levels can come with lower overall transcription
	// accuracy.
	PartialResultsStability *string `location:"header" locationName:"x-amzn-transcribe-partial-results-stability" type:"string" enum:"PartialResultsStability"`

	// List the PII entity types you want to identify or redact. In order to specify
	// entity types, you must have either ContentIdentificationType or ContentRedactionType
	// enabled.
	//
	// PIIEntityTypes must be comma-separated; the available values are: BANK_ACCOUNT_NUMBER,
	// BANK_ROUTING, CREDIT_DEBIT_NUMBER, CREDIT_DEBIT_CVV, CREDIT_DEBIT_EXPIRY,
	// PIN, EMAIL, ADDRESS, NAME, PHONE, SSN, and ALL.
	//
	// PiiEntityTypes is an optional parameter with a default value of ALL.
	PiiEntityTypes *string `location:"header" locationName:"x-amzn-transcribe-pii-entity-types" min:"1" type:"string"`

	// A identifier for the transcription session. Use this parameter when you want
	// to retry a session. If you don't provide a session ID, Amazon Transcribe
	// will generate one for you and return it in the response.
	SessionId *string `location:"header" locationName:"x-amzn-transcribe-session-id" min:"36" type:"string"`

	// When true, enables speaker identification in your real-time stream.
	ShowSpeakerLabel *bool `location:"header" locationName:"x-amzn-transcribe-show-speaker-label" type:"boolean"`

	// The manner in which you use your vocabulary filter to filter words in your
	// transcript. Remove removes filtered words from your transcription results.
	// Mask masks filtered words with a *** in your transcription results. Tag keeps
	// the filtered words in your transcription results and tags them. The tag appears
	// as VocabularyFilterMatch equal to True
	VocabularyFilterMethod *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-filter-method" type:"string" enum:"VocabularyFilterMethod"`

	// The name of the vocabulary filter you've created that is unique to your account.
	// Provide the name in this field to successfully use it in a stream.
	VocabularyFilterName *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-filter-name" min:"1" type:"string"`

	// The name of the vocabulary to use when processing the transcription job.
	VocabularyName *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-name" min:"1" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartStreamTranscriptionInput) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartStreamTranscriptionInput) GoString() string {
	return s.String()
}

// Validate inspects the fields of the type to determine if they are valid.
func (s *StartStreamTranscriptionInput) Validate() error {
	invalidParams := request.ErrInvalidParams{Context: "StartStreamTranscriptionInput"}
	if s.LanguageCode == nil {
		invalidParams.Add(request.NewErrParamRequired("LanguageCode"))
	}
	if s.MediaEncoding == nil {
		invalidParams.Add(request.NewErrParamRequired("MediaEncoding"))
	}
	if s.MediaSampleRateHertz == nil {
		invalidParams.Add(request.NewErrParamRequired("MediaSampleRateHertz"))
	}
	if s.MediaSampleRateHertz != nil && *s.MediaSampleRateHertz < 8000 {
		invalidParams.Add(request.NewErrParamMinValue("MediaSampleRateHertz", 8000))
	}
	if s.NumberOfChannels != nil && *s.NumberOfChannels < 2 {
		invalidParams.Add(request.NewErrParamMinValue("NumberOfChannels", 2))
	}
	if s.PiiEntityTypes != nil && len(*s.PiiEntityTypes) < 1 {
		invalidParams.Add(request.NewErrParamMinLen("PiiEntityTypes", 1))
	}
	if s.SessionId != nil && len(*s.SessionId) < 36 {
		invalidParams.Add(request.NewErrParamMinLen("SessionId", 36))
	}
	if s.VocabularyFilterName != nil && len(*s.VocabularyFilterName) < 1 {
		invalidParams.Add(request.NewErrParamMinLen("VocabularyFilterName", 1))
	}
	if s.VocabularyName != nil && len(*s.VocabularyName) < 1 {
		invalidParams.Add(request.NewErrParamMinLen("VocabularyName", 1))
	}

	if invalidParams.Len() > 0 {
		return invalidParams
	}
	return nil
}

// SetContentIdentificationType sets the ContentIdentificationType field's value.
func (s *StartStreamTranscriptionInput) SetContentIdentificationType(v string) *StartStreamTranscriptionInput {
	s.ContentIdentificationType = &v
	return s
}

// SetContentRedactionType sets the ContentRedactionType field's value.
func (s *StartStreamTranscriptionInput) SetContentRedactionType(v string) *StartStreamTranscriptionInput {
	s.ContentRedactionType = &v
	return s
}

// SetEnableChannelIdentification sets the EnableChannelIdentification field's value.
func (s *StartStreamTranscriptionInput) SetEnableChannelIdentification(v bool) *StartStreamTranscriptionInput {
	s.EnableChannelIdentification = &v
	return s
}

// SetEnablePartialResultsStabilization sets the EnablePartialResultsStabilization field's value.
func (s *StartStreamTranscriptionInput) SetEnablePartialResultsStabilization(v bool) *StartStreamTranscriptionInput {
	s.EnablePartialResultsStabilization = &v
	return s
}

// SetLanguageCode sets the LanguageCode field's value.
func (s *StartStreamTranscriptionInput) SetLanguageCode(v string) *StartStreamTranscriptionInput {
	s.LanguageCode = &v
	return s
}

// SetMediaEncoding sets the MediaEncoding field's value.
func (s *StartStreamTranscriptionInput) SetMediaEncoding(v string) *StartStreamTranscriptionInput {
	s.MediaEncoding = &v
	return s
}

// SetMediaSampleRateHertz sets the MediaSampleRateHertz field's value.
func (s *StartStreamTranscriptionInput) SetMediaSampleRateHertz(v int64) *StartStreamTranscriptionInput {
	s.MediaSampleRateHertz = &v
	return s
}

// SetNumberOfChannels sets the NumberOfChannels field's value.
func (s *StartStreamTranscriptionInput) SetNumberOfChannels(v int64) *StartStreamTranscriptionInput {
	s.NumberOfChannels = &v
	return s
}

// SetPartialResultsStability sets the PartialResultsStability field's value.
func (s *StartStreamTranscriptionInput) SetPartialResultsStability(v string) *StartStreamTranscriptionInput {
	s.PartialResultsStability = &v
	return s
}

// SetPiiEntityTypes sets the PiiEntityTypes field's value.
func (s *StartStreamTranscriptionInput) SetPiiEntityTypes(v string) *StartStreamTranscriptionInput {
	s.PiiEntityTypes = &v
	return s
}

// SetSessionId sets the SessionId field's value.
func (s *StartStreamTranscriptionInput) SetSessionId(v string) *StartStreamTranscriptionInput {
	s.SessionId = &v
	return s
}

// SetShowSpeakerLabel sets the ShowSpeakerLabel field's value.
func (s *StartStreamTranscriptionInput) SetShowSpeakerLabel(v bool) *StartStreamTranscriptionInput {
	s.ShowSpeakerLabel = &v
	return s
}

// SetVocabularyFilterMethod sets the VocabularyFilterMethod field's value.
func (s *StartStreamTranscriptionInput) SetVocabularyFilterMethod(v string) *StartStreamTranscriptionInput {
	s.VocabularyFilterMethod = &v
	return s
}

// SetVocabularyFilterName sets the VocabularyFilterName field's value.
func (s *StartStreamTranscriptionInput) SetVocabularyFilterName(v string) *StartStreamTranscriptionInput {
	s.VocabularyFilterName = &v
	return s
}

// SetVocabularyName sets the VocabularyName field's value.
func (s *StartStreamTranscriptionInput) SetVocabularyName(v string) *StartStreamTranscriptionInput {
	s.VocabularyName = &v
	return s
}

type StartStreamTranscriptionOutput struct {
	_ struct{} `type:"structure" payload:"TranscriptResultStream"`

	eventStream *StartStreamTranscriptionEventStream

	// Shows whether content identification was enabled in this stream.
	ContentIdentificationType *string `location:"header" locationName:"x-amzn-transcribe-content-identification-type" type:"string" enum:"ContentIdentificationType"`

	// Shows whether content redaction was enabled in this stream.
	ContentRedactionType *string `location:"header" locationName:"x-amzn-transcribe-content-redaction-type" type:"string" enum:"ContentRedactionType"`

	// Shows whether channel identification has been enabled in the stream.
	EnableChannelIdentification *bool `location:"header" locationName:"x-amzn-transcribe-enable-channel-identification" type:"boolean"`

	// Shows whether partial results stabilization has been enabled in the stream.
	EnablePartialResultsStabilization *bool `location:"header" locationName:"x-amzn-transcribe-enable-partial-results-stabilization" type:"boolean"`

	// The language code for the input audio stream.
	LanguageCode *string `location:"header" locationName:"x-amzn-transcribe-language-code" type:"string" enum:"LanguageCode"`

	// The encoding used for the input audio stream.
	MediaEncoding *string `location:"header" locationName:"x-amzn-transcribe-media-encoding" type:"string" enum:"MediaEncoding"`

	// The sample rate for the input audio stream. Use 8,000 Hz for low quality
	// audio and 16,000 Hz for high quality audio.
	MediaSampleRateHertz *int64 `location:"header" locationName:"x-amzn-transcribe-sample-rate" min:"8000" type:"integer"`

	// The number of channels identified in the stream.
	NumberOfChannels *int64 `location:"header" locationName:"x-amzn-transcribe-number-of-channels" min:"2" type:"integer"`

	// If partial results stabilization has been enabled in the stream, shows the
	// stability level.
	PartialResultsStability *string `location:"header" locationName:"x-amzn-transcribe-partial-results-stability" type:"string" enum:"PartialResultsStability"`

	// Lists the PII entity types you specified in your request.
	PiiEntityTypes *string `location:"header" locationName:"x-amzn-transcribe-pii-entity-types" min:"1" type:"string"`

	// An identifier for the streaming transcription.
	RequestId *string `location:"header" locationName:"x-amzn-request-id" type:"string"`

	// An identifier for a specific transcription session.
	SessionId *string `location:"header" locationName:"x-amzn-transcribe-session-id" min:"36" type:"string"`

	// Shows whether speaker identification was enabled in the stream.
	ShowSpeakerLabel *bool `location:"header" locationName:"x-amzn-transcribe-show-speaker-label" type:"boolean"`

	// The vocabulary filtering method used in the real-time stream.
	VocabularyFilterMethod *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-filter-method" type:"string" enum:"VocabularyFilterMethod"`

	// The name of the vocabulary filter used in your real-time stream.
	VocabularyFilterName *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-filter-name" min:"1" type:"string"`

	// The name of the vocabulary used when processing the stream.
	VocabularyName *string `location:"header" locationName:"x-amzn-transcribe-vocabulary-name" min:"1" type:"string"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartStreamTranscriptionOutput) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s StartStreamTranscriptionOutput) GoString() string {
	return s.String()
}

// SetContentIdentificationType sets the ContentIdentificationType field's value.
func (s *StartStreamTranscriptionOutput) SetContentIdentificationType(v string) *StartStreamTranscriptionOutput {
	s.ContentIdentificationType = &v
	return s
}

// SetContentRedactionType sets the ContentRedactionType field's value.
func (s *StartStreamTranscriptionOutput) SetContentRedactionType(v string) *StartStreamTranscriptionOutput {
	s.ContentRedactionType = &v
	return s
}

// SetEnableChannelIdentification sets the EnableChannelIdentification field's value.
func (s *StartStreamTranscriptionOutput) SetEnableChannelIdentification(v bool) *StartStreamTranscriptionOutput {
	s.EnableChannelIdentification = &v
	return s
}

// SetEnablePartialResultsStabilization sets the EnablePartialResultsStabilization field's value.
func (s *StartStreamTranscriptionOutput) SetEnablePartialResultsStabilization(v bool) *StartStreamTranscriptionOutput {
	s.EnablePartialResultsStabilization = &v
	return s
}

// SetLanguageCode sets the LanguageCode field's value.
func (s *StartStreamTranscriptionOutput) SetLanguageCode(v string) *StartStreamTranscriptionOutput {
	s.LanguageCode = &v
	return s
}

// SetMediaEncoding sets the MediaEncoding field's value.
func (s *StartStreamTranscriptionOutput) SetMediaEncoding(v string) *StartStreamTranscriptionOutput {
	s.MediaEncoding = &v
	return s
}

// SetMediaSampleRateHertz sets the MediaSampleRateHertz field's value.
func (s *StartStreamTranscriptionOutput) SetMediaSampleRateHertz(v int64) *StartStreamTranscriptionOutput {
	s.MediaSampleRateHertz = &v
	return s
}

// SetNumberOfChannels sets the NumberOfChannels field's value.
func (s *StartStreamTranscriptionOutput) SetNumberOfChannels(v int64) *StartStreamTranscriptionOutput {
	s.NumberOfChannels = &v
	return s
}

// SetPartialResultsStability sets the PartialResultsStability field's value.
func (s *StartStreamTranscriptionOutput) SetPartialResultsStability(v string) *StartStreamTranscriptionOutput {
	s.PartialResultsStability = &v
	return s
}

// SetPiiEntityTypes sets the PiiEntityTypes field's value.
func (s *StartStreamTranscriptionOutput) SetPiiEntityTypes(v string) *StartStreamTranscriptionOutput {
	s.PiiEntityTypes = &v
	return s
}

// SetRequestId sets the RequestId field's value.
func (s *StartStreamTranscriptionOutput) SetRequestId(v string) *StartStreamTranscriptionOutput {
	s.RequestId = &v
	return s
}

// SetSessionId sets the SessionId field's value.
func (s *StartStreamTranscriptionOutput) SetSessionId(v string) *StartStreamTranscriptionOutput {
	s.SessionId = &v
	return s
}

// SetShowSpeakerLabel sets the ShowSpeakerLabel field's value.
func (s *StartStreamTranscriptionOutput) SetShowSpeakerLabel(v bool) *StartStreamTranscriptionOutput {
	s.ShowSpeakerLabel = &v
	return s
}

// SetVocabularyFilterMethod sets the VocabularyFilterMethod field's value.
func (s *StartStreamTranscriptionOutput) SetVocabularyFilterMethod(v string) *StartStreamTranscriptionOutput {
	s.VocabularyFilterMethod = &v
	return s
}

// SetVocabularyFilterName sets the VocabularyFilterName field's value.
func (s *StartStreamTranscriptionOutput) SetVocabularyFilterName(v string) *StartStreamTranscriptionOutput {
	s.VocabularyFilterName = &v
	return s
}

// SetVocabularyName sets the VocabularyName field's value.
func (s *StartStreamTranscriptionOutput) SetVocabularyName(v string) *StartStreamTranscriptionOutput {
	s.VocabularyName = &v
	return s
}

// GetStream returns the type to interact with the event stream.
func (s *StartStreamTranscriptionOutput) GetStream() *StartStreamTranscriptionEventStream {
	return s.eventStream
}

// The transcription in a TranscriptEvent.
type Transcript struct {
	_ struct{} `type:"structure"`

	// Result objects that contain the results of transcribing a portion of the
	// input audio stream. The array can be empty.
	Results []*Result `type:"list"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Transcript) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s Transcript) GoString() string {
	return s.String()
}

// SetResults sets the Results field's value.
func (s *Transcript) SetResults(v []*Result) *Transcript {
	s.Results = v
	return s
}

// Represents a set of transcription results from the server to the client.
// It contains one or more segments of the transcription.
type TranscriptEvent struct {
	_ struct{} `type:"structure"`

	// The transcription of the audio stream. The transcription is composed of all
	// of the items in the results list.
	Transcript *Transcript `type:"structure"`
}

// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s TranscriptEvent) String() string {
	return awsutil.Prettify(s)
}

// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s TranscriptEvent) GoString() string {
	return s.String()
}

// SetTranscript sets the Transcript field's value.
func (s *TranscriptEvent) SetTranscript(v *Transcript) *TranscriptEvent {
	s.Transcript = v
	return s
}

// The TranscriptEvent is and event in the TranscriptResultStream group of events.
func (s *TranscriptEvent) eventTranscriptResultStream() {}

// UnmarshalEvent unmarshals the EventStream Message into the TranscriptEvent value.
// This method is only used internally within the SDK's EventStream handling.
func (s *TranscriptEvent) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	if err := payloadUnmarshaler.UnmarshalPayload(
		bytes.NewReader(msg.Payload), s,
	); err != nil {
		return err
	}
	return nil
}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *TranscriptEvent) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
	msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.EventMessageType))
	var buf bytes.Buffer
	if err = pm.MarshalPayload(&buf, s); err != nil {
		return eventstream.Message{}, err
	}
	msg.Payload = buf.Bytes()
	return msg, err
}

// TranscriptResultStreamEvent groups together all EventStream
// events writes for TranscriptResultStream.
//
// These events are:
//
//     * TranscriptEvent
type TranscriptResultStreamEvent interface {
	eventTranscriptResultStream()
	eventstreamapi.Marshaler
	eventstreamapi.Unmarshaler
}

// TranscriptResultStreamReader provides the interface for reading to the stream. The
// default implementation for this interface will be TranscriptResultStream.
//
// The reader's Close method must allow multiple concurrent calls.
//
// These events are:
//
//     * TranscriptEvent
//     * TranscriptResultStreamUnknownEvent
type TranscriptResultStreamReader interface {
	// Returns a channel of events as they are read from the event stream.
	Events() <-chan TranscriptResultStreamEvent

	// Close will stop the reader reading events from the stream.
	Close() error

	// Returns any error that has occurred while reading from the event stream.
	Err() error
}

type readTranscriptResultStream struct {
	eventReader *eventstreamapi.EventReader
	stream      chan TranscriptResultStreamEvent
	err         *eventstreamapi.OnceError

	done      chan struct{}
	closeOnce sync.Once
}

func newReadTranscriptResultStream(eventReader *eventstreamapi.EventReader) *readTranscriptResultStream {
	r := &readTranscriptResultStream{
		eventReader: eventReader,
		stream:      make(chan TranscriptResultStreamEvent),
		done:        make(chan struct{}),
		err:         eventstreamapi.NewOnceError(),
	}
	go r.readEventStream()

	return r
}

// Close will close the underlying event stream reader.
func (r *readTranscriptResultStream) Close() error {
	r.closeOnce.Do(r.safeClose)
	return r.Err()
}

func (r *readTranscriptResultStream) ErrorSet() <-chan struct{} {
	return r.err.ErrorSet()
}

func (r *readTranscriptResultStream) Closed() <-chan struct{} {
	return r.done
}

func (r *readTranscriptResultStream) safeClose() {
	close(r.done)
}

func (r *readTranscriptResultStream) Err() error {
	return r.err.Err()
}

func (r *readTranscriptResultStream) Events() <-chan TranscriptResultStreamEvent {
	return r.stream
}

func (r *readTranscriptResultStream) readEventStream() {
	defer r.Close()
	defer close(r.stream)

	for {
		event, err := r.eventReader.ReadEvent()
		if err != nil {
			if err == io.EOF {
				return
			}
			select {
			case <-r.done:
				// If closed already ignore the error
				return
			default:
			}
			if _, ok := err.(*eventstreamapi.UnknownMessageTypeError); ok {
				continue
			}
			r.err.SetError(err)
			return
		}

		select {
		case r.stream <- event.(TranscriptResultStreamEvent):
		case <-r.done:
			return
		}
	}
}

type unmarshalerForTranscriptResultStreamEvent struct {
	metadata protocol.ResponseMetadata
}

func (u unmarshalerForTranscriptResultStreamEvent) UnmarshalerForEventName(eventType string) (eventstreamapi.Unmarshaler, error) {
	switch eventType {
	case "TranscriptEvent":
		return &TranscriptEvent{}, nil
	case "BadRequestException":
		return newErrorBadRequestException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "ConflictException":
		return newErrorConflictException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "InternalFailureException":
		return newErrorInternalFailureException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "LimitExceededException":
		return newErrorLimitExceededException(u.metadata).(eventstreamapi.Unmarshaler), nil
	case "ServiceUnavailableException":
		return newErrorServiceUnavailableException(u.metadata).(eventstreamapi.Unmarshaler), nil
	default:
		return &TranscriptResultStreamUnknownEvent{Type: eventType}, nil
	}
}

// TranscriptResultStreamUnknownEvent provides a failsafe event for the
// TranscriptResultStream group of events when an unknown event is received.
type TranscriptResultStreamUnknownEvent struct {
	Type    string
	Message eventstream.Message
}

// The TranscriptResultStreamUnknownEvent is and event in the TranscriptResultStream
// group of events.
func (s *TranscriptResultStreamUnknownEvent) eventTranscriptResultStream() {}

// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (e *TranscriptResultStreamUnknownEvent) MarshalEvent(pm protocol.PayloadMarshaler) (
	msg eventstream.Message, err error,
) {
	return e.Message.Clone(), nil
}

// UnmarshalEvent unmarshals the EventStream Message into the TranscriptResultStream value.
// This method is only used internally within the SDK's EventStream handling.
func (e *TranscriptResultStreamUnknownEvent) UnmarshalEvent(
	payloadUnmarshaler protocol.PayloadUnmarshaler,
	msg eventstream.Message,
) error {
	e.Message = msg.Clone()
	return nil
}

const (
	// ContentIdentificationTypePii is a ContentIdentificationType enum value
	ContentIdentificationTypePii = "PII"
)

// ContentIdentificationType_Values returns all elements of the ContentIdentificationType enum
func ContentIdentificationType_Values() []string {
	return []string{
		ContentIdentificationTypePii,
	}
}

const (
	// ContentRedactionTypePii is a ContentRedactionType enum value
	ContentRedactionTypePii = "PII"
)

// ContentRedactionType_Values returns all elements of the ContentRedactionType enum
func ContentRedactionType_Values() []string {
	return []string{
		ContentRedactionTypePii,
	}
}

const (
	// ItemTypePronunciation is a ItemType enum value
	ItemTypePronunciation = "pronunciation"

	// ItemTypePunctuation is a ItemType enum value
	ItemTypePunctuation = "punctuation"
)

// ItemType_Values returns all elements of the ItemType enum
func ItemType_Values() []string {
	return []string{
		ItemTypePronunciation,
		ItemTypePunctuation,
	}
}

const (
	// LanguageCodeEnUs is a LanguageCode enum value
	LanguageCodeEnUs = "en-US"

	// LanguageCodeEnGb is a LanguageCode enum value
	LanguageCodeEnGb = "en-GB"

	// LanguageCodeEsUs is a LanguageCode enum value
	LanguageCodeEsUs = "es-US"

	// LanguageCodeFrCa is a LanguageCode enum value
	LanguageCodeFrCa = "fr-CA"

	// LanguageCodeFrFr is a LanguageCode enum value
	LanguageCodeFrFr = "fr-FR"

	// LanguageCodeEnAu is a LanguageCode enum value
	LanguageCodeEnAu = "en-AU"

	// LanguageCodeItIt is a LanguageCode enum value
	LanguageCodeItIt = "it-IT"

	// LanguageCodeDeDe is a LanguageCode enum value
	LanguageCodeDeDe = "de-DE"

	// LanguageCodePtBr is a LanguageCode enum value
	LanguageCodePtBr = "pt-BR"

	// LanguageCodeJaJp is a LanguageCode enum value
	LanguageCodeJaJp = "ja-JP"

	// LanguageCodeKoKr is a LanguageCode enum value
	LanguageCodeKoKr = "ko-KR"

	// LanguageCodeZhCn is a LanguageCode enum value
	LanguageCodeZhCn = "zh-CN"
)

// LanguageCode_Values returns all elements of the LanguageCode enum
func LanguageCode_Values() []string {
	return []string{
		LanguageCodeEnUs,
		LanguageCodeEnGb,
		LanguageCodeEsUs,
		LanguageCodeFrCa,
		LanguageCodeFrFr,
		LanguageCodeEnAu,
		LanguageCodeItIt,
		LanguageCodeDeDe,
		LanguageCodePtBr,
		LanguageCodeJaJp,
		LanguageCodeKoKr,
		LanguageCodeZhCn,
	}
}

const (
	// MediaEncodingPcm is a MediaEncoding enum value
	MediaEncodingPcm = "pcm"

	// MediaEncodingOggOpus is a MediaEncoding enum value
	MediaEncodingOggOpus = "ogg-opus"

	// MediaEncodingFlac is a MediaEncoding enum value
	MediaEncodingFlac = "flac"
)

// MediaEncoding_Values returns all elements of the MediaEncoding enum
func MediaEncoding_Values() []string {
	return []string{
		MediaEncodingPcm,
		MediaEncodingOggOpus,
		MediaEncodingFlac,
	}
}

const (
	// MedicalContentIdentificationTypePhi is a MedicalContentIdentificationType enum value
	MedicalContentIdentificationTypePhi = "PHI"
)

// MedicalContentIdentificationType_Values returns all elements of the MedicalContentIdentificationType enum
func MedicalContentIdentificationType_Values() []string {
	return []string{
		MedicalContentIdentificationTypePhi,
	}
}

const (
	// PartialResultsStabilityHigh is a PartialResultsStability enum value
	PartialResultsStabilityHigh = "high"

	// PartialResultsStabilityMedium is a PartialResultsStability enum value
	PartialResultsStabilityMedium = "medium"

	// PartialResultsStabilityLow is a PartialResultsStability enum value
	PartialResultsStabilityLow = "low"
)

// PartialResultsStability_Values returns all elements of the PartialResultsStability enum
func PartialResultsStability_Values() []string {
	return []string{
		PartialResultsStabilityHigh,
		PartialResultsStabilityMedium,
		PartialResultsStabilityLow,
	}
}

const (
	// SpecialtyPrimarycare is a Specialty enum value
	SpecialtyPrimarycare = "PRIMARYCARE"

	// SpecialtyCardiology is a Specialty enum value
	SpecialtyCardiology = "CARDIOLOGY"

	// SpecialtyNeurology is a Specialty enum value
	SpecialtyNeurology = "NEUROLOGY"

	// SpecialtyOncology is a Specialty enum value
	SpecialtyOncology = "ONCOLOGY"

	// SpecialtyRadiology is a Specialty enum value
	SpecialtyRadiology = "RADIOLOGY"

	// SpecialtyUrology is a Specialty enum value
	SpecialtyUrology = "UROLOGY"
)

// Specialty_Values returns all elements of the Specialty enum
func Specialty_Values() []string {
	return []string{
		SpecialtyPrimarycare,
		SpecialtyCardiology,
		SpecialtyNeurology,
		SpecialtyOncology,
		SpecialtyRadiology,
		SpecialtyUrology,
	}
}

const (
	// TypeConversation is a Type enum value
	TypeConversation = "CONVERSATION"

	// TypeDictation is a Type enum value
	TypeDictation = "DICTATION"
)

// Type_Values returns all elements of the Type enum
func Type_Values() []string {
	return []string{
		TypeConversation,
		TypeDictation,
	}
}

const (
	// VocabularyFilterMethodRemove is a VocabularyFilterMethod enum value
	VocabularyFilterMethodRemove = "remove"

	// VocabularyFilterMethodMask is a VocabularyFilterMethod enum value
	VocabularyFilterMethodMask = "mask"

	// VocabularyFilterMethodTag is a VocabularyFilterMethod enum value
	VocabularyFilterMethodTag = "tag"
)

// VocabularyFilterMethod_Values returns all elements of the VocabularyFilterMethod enum
func VocabularyFilterMethod_Values() []string {
	return []string{
		VocabularyFilterMethodRemove,
		VocabularyFilterMethodMask,
		VocabularyFilterMethodTag,
	}
}