/
api_op_StartMedicalStreamTranscription.go
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/
api_op_StartMedicalStreamTranscription.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package transcribestreaming
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream/eventstreamapi"
"github.com/aws/aws-sdk-go-v2/service/transcribestreaming/types"
"github.com/aws/smithy-go/middleware"
smithysync "github.com/aws/smithy-go/sync"
smithyhttp "github.com/aws/smithy-go/transport/http"
"sync"
"time"
)
// Starts a bidirectional HTTP/2 or WebSocket stream where audio is streamed to
// Amazon Transcribe Medical and the transcription results are streamed to your
// application. The following parameters are required:
// - language-code
// - media-encoding
// - sample-rate
//
// For more information on streaming with Amazon Transcribe Medical, see
// Transcribing streaming audio (https://docs.aws.amazon.com/transcribe/latest/dg/streaming.html)
// .
func (c *Client) StartMedicalStreamTranscription(ctx context.Context, params *StartMedicalStreamTranscriptionInput, optFns ...func(*Options)) (*StartMedicalStreamTranscriptionOutput, error) {
if params == nil {
params = &StartMedicalStreamTranscriptionInput{}
}
result, metadata, err := c.invokeOperation(ctx, "StartMedicalStreamTranscription", params, optFns, c.addOperationStartMedicalStreamTranscriptionMiddlewares)
if err != nil {
return nil, err
}
out := result.(*StartMedicalStreamTranscriptionOutput)
out.ResultMetadata = metadata
return out, nil
}
type StartMedicalStreamTranscriptionInput struct {
// Specify the language code that represents the language spoken in your audio.
// Amazon Transcribe Medical only supports US English ( en-US ).
//
// This member is required.
LanguageCode types.LanguageCode
// Specify the encoding used for the input audio. Supported formats are:
// - FLAC
// - OPUS-encoded audio in an Ogg container
// - PCM (only signed 16-bit little-endian audio formats, which does not include
// WAV)
// For more information, see Media formats (https://docs.aws.amazon.com/transcribe/latest/dg/how-input.html#how-input-audio)
// .
//
// This member is required.
MediaEncoding types.MediaEncoding
// The sample rate of the input audio (in hertz). Amazon Transcribe Medical
// supports a range from 16,000 Hz to 48,000 Hz. Note that the sample rate you
// specify must match that of your audio.
//
// This member is required.
MediaSampleRateHertz *int32
// Specify the medical specialty contained in your audio.
//
// This member is required.
Specialty types.Specialty
// Specify the type of input audio. For example, choose DICTATION for a provider
// dictating patient notes and CONVERSATION for a dialogue between a patient and a
// medical professional.
//
// This member is required.
Type types.Type
// Labels all personal health information (PHI) identified in your transcript.
// Content identification is performed at the segment level; PHI is flagged upon
// complete transcription of an audio segment. For more information, see
// Identifying personal health information (PHI) in a transcription (https://docs.aws.amazon.com/transcribe/latest/dg/phi-id.html)
// .
ContentIdentificationType types.MedicalContentIdentificationType
// Enables channel identification in multi-channel audio. Channel identification
// transcribes the audio on each channel independently, then appends the output for
// each channel into one transcript. If you have multi-channel audio and do not
// enable channel identification, your audio is transcribed in a continuous manner
// and your transcript is not separated by channel. For more information, see
// Transcribing multi-channel audio (https://docs.aws.amazon.com/transcribe/latest/dg/channel-id.html)
// .
EnableChannelIdentification bool
// Specify the number of channels in your audio stream. Up to two channels are
// supported.
NumberOfChannels *int32
// Specify a name for your transcription session. If you don't include this
// parameter in your request, Amazon Transcribe Medical generates an ID and returns
// it in the response. You can use a session ID to retry a streaming session.
SessionId *string
// Enables speaker partitioning (diarization) in your transcription output.
// Speaker partitioning labels the speech from individual speakers in your media
// file. For more information, see Partitioning speakers (diarization) (https://docs.aws.amazon.com/transcribe/latest/dg/diarization.html)
// .
ShowSpeakerLabel bool
// Specify the name of the custom vocabulary that you want to use when processing
// your transcription. Note that vocabulary names are case sensitive.
VocabularyName *string
noSmithyDocumentSerde
}
type StartMedicalStreamTranscriptionOutput struct {
// Shows whether content identification was enabled for your transcription.
ContentIdentificationType types.MedicalContentIdentificationType
// Shows whether channel identification was enabled for your transcription.
EnableChannelIdentification bool
// Provides the language code that you specified in your request. This must be
// en-US .
LanguageCode types.LanguageCode
// Provides the media encoding you specified in your request.
MediaEncoding types.MediaEncoding
// Provides the sample rate that you specified in your request.
MediaSampleRateHertz *int32
// Provides the number of channels that you specified in your request.
NumberOfChannels *int32
// Provides the identifier for your streaming request.
RequestId *string
// Provides the identifier for your transcription session.
SessionId *string
// Shows whether speaker partitioning was enabled for your transcription.
ShowSpeakerLabel bool
// Provides the medical specialty that you specified in your request.
Specialty types.Specialty
// Provides the type of audio you specified in your request.
Type types.Type
// Provides the name of the custom vocabulary that you specified in your request.
VocabularyName *string
eventStream *StartMedicalStreamTranscriptionEventStream
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
// GetStream returns the type to interact with the event stream.
func (o *StartMedicalStreamTranscriptionOutput) GetStream() *StartMedicalStreamTranscriptionEventStream {
return o.eventStream
}
func (c *Client) addOperationStartMedicalStreamTranscriptionMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpStartMedicalStreamTranscription{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpStartMedicalStreamTranscription{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "StartMedicalStreamTranscription"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addEventStreamStartMedicalStreamTranscriptionMiddleware(stack, options); err != nil {
return err
}
if err = smithyhttp.AddRequireMinimumProtocol(stack, 2, 0); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = addClientRequestID(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addStreamingEventsPayload(stack); err != nil {
return err
}
if err = addContentSHA256Header(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = addRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = eventstreamapi.AddInitializeStreamWriter(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addOpStartMedicalStreamTranscriptionValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opStartMedicalStreamTranscription(options.Region), middleware.Before); err != nil {
return err
}
if err = addRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opStartMedicalStreamTranscription(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "StartMedicalStreamTranscription",
}
}
// StartMedicalStreamTranscriptionEventStream provides the event stream handling for the StartMedicalStreamTranscription operation.
//
// 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 {
// AudioStreamWriter 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
// MedicalTranscriptResultStreamReader 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
done chan struct{}
closeOnce sync.Once
err *smithysync.OnceErr
}
// 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.
func NewStartMedicalStreamTranscriptionEventStream(optFns ...func(*StartMedicalStreamTranscriptionEventStream)) *StartMedicalStreamTranscriptionEventStream {
es := &StartMedicalStreamTranscriptionEventStream{
done: make(chan struct{}),
err: smithysync.NewOnceErr(),
}
for _, fn := range optFns {
fn(es)
}
return es
}
// Send writes the event to the stream blocking until the event is written.
// Returns an error if the event was not written.
func (es *StartMedicalStreamTranscriptionEventStream) Send(ctx context.Context, event types.AudioStream) error {
return es.Writer.Send(ctx, event)
}
// Events returns a channel to read events from.
func (es *StartMedicalStreamTranscriptionEventStream) Events() <-chan types.MedicalTranscriptResultStream {
return es.Reader.Events()
}
// 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 reader, and no more events can be
// sent or received.
func (es *StartMedicalStreamTranscriptionEventStream) Close() error {
es.closeOnce.Do(es.safeClose)
return es.Err()
}
func (es *StartMedicalStreamTranscriptionEventStream) safeClose() {
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:
}
es.Reader.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
}
func (es *StartMedicalStreamTranscriptionEventStream) waitStreamClose() {
type errorSet interface {
ErrorSet() <-chan struct{}
}
var inputErrCh <-chan struct{}
if v, ok := es.Writer.(errorSet); ok {
inputErrCh = v.ErrorSet()
}
var outputErrCh <-chan struct{}
if v, ok := es.Reader.(errorSet); 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()
}
}