speech

package
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 Go to latest Published: Jun 22, 2021 License: BSD-3-Clause Imports: 15 Imported by: 0

Documentation

Overview

Package speech provides access to the Cloud Speech-to-Text API.

This package is DEPRECATED. Use package cloud.google.com/go/speech/apiv1 instead.

For product documentation, see: https://cloud.google.com/speech-to-text/docs/quickstart-protocol

Creating a client

Usage example: 

import "google.golang.org/api/speech/v1"
...
ctx := context.Background()
speechService, err := speech.NewService(ctx)

In this example, Google Application Default Credentials are used for authentication.

For information on how to create and obtain Application Default Credentials, see https://developers.google.com/identity/protocols/application-default-credentials.

Other authentication options

To use an API key for authentication (note: some APIs do not support API keys), use option.WithAPIKey: 

speechService, err := speech.NewService(ctx, option.WithAPIKey("AIza..."))

To use an OAuth token (e.g., a user token obtained via a three-legged OAuth flow), use option.WithTokenSource: 

config := &oauth2.Config{...}
// ...
token, err := config.Exchange(ctx, ...)
speechService, err := speech.NewService(ctx, option.WithTokenSource(config.TokenSource(ctx, token)))

See https://godoc.org/google.golang.org/api/option/ for details on options.

Index

Constants

View Source 
const (
	// See, edit, configure, and delete your Google Cloud Platform data
	CloudPlatformScope = "https://www.googleapis.com/auth/cloud-platform"
)

OAuth2 scopes used by this API.

Variables

This section is empty.

Functions

This section is empty.

Types

type ListOperationsResponse 

type ListOperationsResponse struct {
	// NextPageToken: The standard List next-page token.
	NextPageToken string `json:"nextPageToken,omitempty"`

	// Operations: A list of operations that matches the specified filter in
	// the request.
	Operations []*Operation `json:"operations,omitempty"`

	// ServerResponse contains the HTTP response code and headers from the
	// server.
	googleapi.ServerResponse `json:"-"`

	// ForceSendFields is a list of field names (e.g. "NextPageToken") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "NextPageToken") to include
	// in API requests with the JSON null value. By default, fields with
	// empty values are omitted from API requests. However, any field with
	// an empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

ListOperationsResponse: The response message for Operations.ListOperations.

func (*ListOperationsResponse) MarshalJSON 

func (s *ListOperationsResponse) MarshalJSON() ([]byte, error)

type LongRunningRecognizeMetadata 

type LongRunningRecognizeMetadata struct {
	// LastUpdateTime: Time of the most recent processing update.
	LastUpdateTime string `json:"lastUpdateTime,omitempty"`

	// ProgressPercent: Approximate percentage of audio processed thus far.
	// Guaranteed to be 100 when the audio is fully processed and the
	// results are available.
	ProgressPercent int64 `json:"progressPercent,omitempty"`

	// StartTime: Time when the request was received.
	StartTime string `json:"startTime,omitempty"`

	// Uri: Output only. The URI of the audio file being transcribed. Empty
	// if the audio was sent as byte content.
	Uri string `json:"uri,omitempty"`

	// ForceSendFields is a list of field names (e.g. "LastUpdateTime") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "LastUpdateTime") to
	// include in API requests with the JSON null value. By default, fields
	// with empty values are omitted from API requests. However, any field
	// with an empty value appearing in NullFields will be sent to the
	// server as null. It is an error if a field in this list has a
	// non-empty value. This may be used to include null fields in Patch
	// requests.
	NullFields []string `json:"-"`
}

LongRunningRecognizeMetadata: Describes the progress of a long-running `LongRunningRecognize` call. It is included in the `metadata` field of the `Operation` returned by the `GetOperation` call of the `google::longrunning::Operations` service.

func (*LongRunningRecognizeMetadata) MarshalJSON 

func (s *LongRunningRecognizeMetadata) MarshalJSON() ([]byte, error)

type LongRunningRecognizeRequest 

type LongRunningRecognizeRequest struct {
	// Audio: Required. The audio data to be recognized.
	Audio *RecognitionAudio `json:"audio,omitempty"`

	// Config: Required. Provides information to the recognizer that
	// specifies how to process the request.
	Config *RecognitionConfig `json:"config,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Audio") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Audio") to include in API
	// requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

LongRunningRecognizeRequest: The top-level message sent by the client for the `LongRunningRecognize` method.

func (*LongRunningRecognizeRequest) MarshalJSON 

func (s *LongRunningRecognizeRequest) MarshalJSON() ([]byte, error)

type LongRunningRecognizeResponse 

type LongRunningRecognizeResponse struct {
	// Results: Sequential list of transcription results corresponding to
	// sequential portions of audio.
	Results []*SpeechRecognitionResult `json:"results,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Results") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Results") to include in
	// API requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

LongRunningRecognizeResponse: The only message returned to the client by the `LongRunningRecognize` method. It contains the result as zero or more sequential `SpeechRecognitionResult` messages. It is included in the `result.response` field of the `Operation` returned by the `GetOperation` call of the `google::longrunning::Operations` service.

func (*LongRunningRecognizeResponse) MarshalJSON 

func (s *LongRunningRecognizeResponse) MarshalJSON() ([]byte, error)

type Operation 

type Operation struct {
	// Done: If the value is `false`, it means the operation is still in
	// progress. If `true`, the operation is completed, and either `error`
	// or `response` is available.
	Done bool `json:"done,omitempty"`

	// Error: The error result of the operation in case of failure or
	// cancellation.
	Error *Status `json:"error,omitempty"`

	// Metadata: Service-specific metadata associated with the operation. It
	// typically contains progress information and common metadata such as
	// create time. Some services might not provide such metadata. Any
	// method that returns a long-running operation should document the
	// metadata type, if any.
	Metadata googleapi.RawMessage `json:"metadata,omitempty"`

	// Name: The server-assigned name, which is only unique within the same
	// service that originally returns it. If you use the default HTTP
	// mapping, the `name` should be a resource name ending with
	// `operations/{unique_id}`.
	Name string `json:"name,omitempty"`

	// Response: The normal response of the operation in case of success. If
	// the original method returns no data on success, such as `Delete`, the
	// response is `google.protobuf.Empty`. If the original method is
	// standard `Get`/`Create`/`Update`, the response should be the
	// resource. For other methods, the response should have the type
	// `XxxResponse`, where `Xxx` is the original method name. For example,
	// if the original method name is `TakeSnapshot()`, the inferred
	// response type is `TakeSnapshotResponse`.
	Response googleapi.RawMessage `json:"response,omitempty"`

	// ServerResponse contains the HTTP response code and headers from the
	// server.
	googleapi.ServerResponse `json:"-"`

	// ForceSendFields is a list of field names (e.g. "Done") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Done") to include in API
	// requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

Operation: This resource represents a long-running operation that is the result of a network API call.

func (*Operation) MarshalJSON 

func (s *Operation) MarshalJSON() ([]byte, error)

type OperationsGetCall 

type OperationsGetCall struct {
	// contains filtered or unexported fields
}

func (*OperationsGetCall) Context 

func (c *OperationsGetCall) Context(ctx context.Context) *OperationsGetCall

Context sets the context to be used in this call's Do method. Any pending HTTP request will be aborted if the provided context is canceled.

func (*OperationsGetCall) Do 

func (c *OperationsGetCall) Do(opts ...googleapi.CallOption) (*Operation, error)

Do executes the "speech.operations.get" call. Exactly one of *Operation or error will be non-nil. Any non-2xx status code is an error. Response headers are in either *Operation.ServerResponse.Header or (if a response was returned at all) in error.(*googleapi.Error).Header. Use googleapi.IsNotModified to check whether the returned error was because http.StatusNotModified was returned.

func (*OperationsGetCall) Fields 

func (c *OperationsGetCall) Fields(s ...googleapi.Field) *OperationsGetCall

Fields allows partial responses to be retrieved. See https://developers.google.com/gdata/docs/2.0/basics#PartialResponse for more information.

func (*OperationsGetCall) Header 

func (c *OperationsGetCall) Header() http.Header

Header returns an http.Header that can be modified by the caller to add HTTP headers to the request.

func (*OperationsGetCall) IfNoneMatch 

func (c *OperationsGetCall) IfNoneMatch(entityTag string) *OperationsGetCall

IfNoneMatch sets the optional parameter which makes the operation fail if the object's ETag matches the given value. This is useful for getting updates only after the object has changed since the last request. Use googleapi.IsNotModified to check whether the response error from Do is the result of In-None-Match.

type OperationsListCall 

type OperationsListCall struct {
	// contains filtered or unexported fields
}

func (*OperationsListCall) Context 

func (c *OperationsListCall) Context(ctx context.Context) *OperationsListCall

Context sets the context to be used in this call's Do method. Any pending HTTP request will be aborted if the provided context is canceled.

func (*OperationsListCall) Do 

func (c *OperationsListCall) Do(opts ...googleapi.CallOption) (*ListOperationsResponse, error)

Do executes the "speech.operations.list" call. Exactly one of *ListOperationsResponse or error will be non-nil. Any non-2xx status code is an error. Response headers are in either *ListOperationsResponse.ServerResponse.Header or (if a response was returned at all) in error.(*googleapi.Error).Header. Use googleapi.IsNotModified to check whether the returned error was because http.StatusNotModified was returned.

func (*OperationsListCall) Fields 

func (c *OperationsListCall) Fields(s ...googleapi.Field) *OperationsListCall

Fields allows partial responses to be retrieved. See https://developers.google.com/gdata/docs/2.0/basics#PartialResponse for more information.

func (*OperationsListCall) Filter 

func (c *OperationsListCall) Filter(filter string) *OperationsListCall

Filter sets the optional parameter "filter": The standard list filter.

func (*OperationsListCall) Header 

func (c *OperationsListCall) Header() http.Header

Header returns an http.Header that can be modified by the caller to add HTTP headers to the request.

func (*OperationsListCall) IfNoneMatch 

func (c *OperationsListCall) IfNoneMatch(entityTag string) *OperationsListCall

IfNoneMatch sets the optional parameter which makes the operation fail if the object's ETag matches the given value. This is useful for getting updates only after the object has changed since the last request. Use googleapi.IsNotModified to check whether the response error from Do is the result of In-None-Match.

func (*OperationsListCall) Name 

func (c *OperationsListCall) Name(name string) *OperationsListCall

Name sets the optional parameter "name": The name of the operation's parent resource.

func (*OperationsListCall) PageSize 

func (c *OperationsListCall) PageSize(pageSize int64) *OperationsListCall

PageSize sets the optional parameter "pageSize": The standard list page size.

func (*OperationsListCall) PageToken 

func (c *OperationsListCall) PageToken(pageToken string) *OperationsListCall

PageToken sets the optional parameter "pageToken": The standard list page token.

func (*OperationsListCall) Pages 

func (c *OperationsListCall) Pages(ctx context.Context, f func(*ListOperationsResponse) error) error

Pages invokes f for each page of results. A non-nil error returned from f will halt the iteration. The provided context supersedes any context provided to the Context method.

type OperationsService 

type OperationsService struct {
	// contains filtered or unexported fields
}

func NewOperationsService 

func NewOperationsService(s *Service) *OperationsService

func (*OperationsService) Get 

func (r *OperationsService) Get(name string) *OperationsGetCall

Get: Gets the latest state of a long-running operation. Clients can use this method to poll the operation result at intervals as recommended by the API service.

- name: The name of the operation resource.

func (*OperationsService) List 

func (r *OperationsService) List() *OperationsListCall

List: Lists operations that match the specified filter in the request. If the server doesn't support this method, it returns `UNIMPLEMENTED`. NOTE: the `name` binding allows API services to override the binding to use different resource name schemes, such as `users/*/operations`. To override the binding, API services can add a binding such as "/v1/{name=users/*}/operations" to their service configuration. For backwards compatibility, the default name includes the operations collection id, however overriding users must ensure the name binding is the parent resource, without the operations collection id.

type RecognitionAudio 

type RecognitionAudio struct {
	// Content: The audio data bytes encoded as specified in
	// `RecognitionConfig`. Note: as with all bytes fields, proto buffers
	// use a pure binary representation, whereas JSON representations use
	// base64.
	Content string `json:"content,omitempty"`

	// Uri: URI that points to a file that contains audio data bytes as
	// specified in `RecognitionConfig`. The file must not be compressed
	// (for example, gzip). Currently, only Google Cloud Storage URIs are
	// supported, which must be specified in the following format:
	// `gs://bucket_name/object_name` (other URI formats return
	// google.rpc.Code.INVALID_ARGUMENT). For more information, see Request
	// URIs (https://cloud.google.com/storage/docs/reference-uris).
	Uri string `json:"uri,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Content") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Content") to include in
	// API requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

RecognitionAudio: Contains audio data in the encoding specified in the `RecognitionConfig`. Either `content` or `uri` must be supplied. Supplying both or neither returns google.rpc.Code.INVALID_ARGUMENT. See content limits (https://cloud.google.com/speech-to-text/quotas#content).

func (*RecognitionAudio) MarshalJSON 

func (s *RecognitionAudio) MarshalJSON() ([]byte, error)

type RecognitionConfig 

type RecognitionConfig struct {
	// AudioChannelCount: The number of channels in the input audio data.
	// ONLY set this for MULTI-CHANNEL recognition. Valid values for
	// LINEAR16 and FLAC are `1`-`8`. Valid values for OGG_OPUS are
	// '1'-'254'. Valid value for MULAW, AMR, AMR_WB and
	// SPEEX_WITH_HEADER_BYTE is only `1`. If `0` or omitted, defaults to
	// one channel (mono). Note: We only recognize the first channel by
	// default. To perform independent recognition on each channel set
	// `enable_separate_recognition_per_channel` to 'true'.
	AudioChannelCount int64 `json:"audioChannelCount,omitempty"`

	// DiarizationConfig: Config to enable speaker diarization and set
	// additional parameters to make diarization better suited for your
	// application. Note: When this is enabled, we send all the words from
	// the beginning of the audio for the top alternative in every
	// consecutive STREAMING responses. This is done in order to improve our
	// speaker tags as our models learn to identify the speakers in the
	// conversation over time. For non-streaming requests, the diarization
	// results will be provided only in the top alternative of the FINAL
	// SpeechRecognitionResult.
	DiarizationConfig *SpeakerDiarizationConfig `json:"diarizationConfig,omitempty"`

	// EnableAutomaticPunctuation: If 'true', adds punctuation to
	// recognition result hypotheses. This feature is only available in
	// select languages. Setting this for requests in other languages has no
	// effect at all. The default 'false' value does not add punctuation to
	// result hypotheses.
	EnableAutomaticPunctuation bool `json:"enableAutomaticPunctuation,omitempty"`

	// EnableSeparateRecognitionPerChannel: This needs to be set to `true`
	// explicitly and `audio_channel_count` > 1 to get each channel
	// recognized separately. The recognition result will contain a
	// `channel_tag` field to state which channel that result belongs to. If
	// this is not true, we will only recognize the first channel. The
	// request is billed cumulatively for all channels recognized:
	// `audio_channel_count` multiplied by the length of the audio.
	EnableSeparateRecognitionPerChannel bool `json:"enableSeparateRecognitionPerChannel,omitempty"`

	// EnableWordTimeOffsets: If `true`, the top result includes a list of
	// words and the start and end time offsets (timestamps) for those
	// words. If `false`, no word-level time offset information is returned.
	// The default is `false`.
	EnableWordTimeOffsets bool `json:"enableWordTimeOffsets,omitempty"`

	// Encoding: Encoding of audio data sent in all `RecognitionAudio`
	// messages. This field is optional for `FLAC` and `WAV` audio files and
	// required for all other audio formats. For details, see AudioEncoding.
	//
	// Possible values:
	//   "ENCODING_UNSPECIFIED" - Not specified.
	//   "LINEAR16" - Uncompressed 16-bit signed little-endian samples
	// (Linear PCM).
	//   "FLAC" - `FLAC` (Free Lossless Audio Codec) is the recommended
	// encoding because it is lossless--therefore recognition is not
	// compromised--and requires only about half the bandwidth of
	// `LINEAR16`. `FLAC` stream encoding supports 16-bit and 24-bit
	// samples, however, not all fields in `STREAMINFO` are supported.
	//   "MULAW" - 8-bit samples that compand 14-bit audio samples using
	// G.711 PCMU/mu-law.
	//   "AMR" - Adaptive Multi-Rate Narrowband codec. `sample_rate_hertz`
	// must be 8000.
	//   "AMR_WB" - Adaptive Multi-Rate Wideband codec. `sample_rate_hertz`
	// must be 16000.
	//   "OGG_OPUS" - Opus encoded audio frames in Ogg container
	// ([OggOpus](https://wiki.xiph.org/OggOpus)). `sample_rate_hertz` must
	// be one of 8000, 12000, 16000, 24000, or 48000.
	//   "SPEEX_WITH_HEADER_BYTE" - Although the use of lossy encodings is
	// not recommended, if a very low bitrate encoding is required,
	// `OGG_OPUS` is highly preferred over Speex encoding. The
	// [Speex](https://speex.org/) encoding supported by Cloud Speech API
	// has a header byte in each block, as in MIME type
	// `audio/x-speex-with-header-byte`. It is a variant of the RTP Speex
	// encoding defined in [RFC 5574](https://tools.ietf.org/html/rfc5574).
	// The stream is a sequence of blocks, one block per RTP packet. Each
	// block starts with a byte containing the length of the block, in
	// bytes, followed by one or more frames of Speex data, padded to an
	// integral number of bytes (octets) as specified in RFC 5574. In other
	// words, each RTP header is replaced with a single byte containing the
	// block length. Only Speex wideband is supported. `sample_rate_hertz`
	// must be 16000.
	Encoding string `json:"encoding,omitempty"`

	// LanguageCode: Required. The language of the supplied audio as a
	// BCP-47 (https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
	// Example: "en-US". See Language Support
	// (https://cloud.google.com/speech-to-text/docs/languages) for a list
	// of the currently supported language codes.
	LanguageCode string `json:"languageCode,omitempty"`

	// MaxAlternatives: Maximum number of recognition hypotheses to be
	// returned. Specifically, the maximum number of
	// `SpeechRecognitionAlternative` messages within each
	// `SpeechRecognitionResult`. The server may return fewer than
	// `max_alternatives`. Valid values are `0`-`30`. A value of `0` or `1`
	// will return a maximum of one. If omitted, will return a maximum of
	// one.
	MaxAlternatives int64 `json:"maxAlternatives,omitempty"`

	// Metadata: Metadata regarding this request.
	Metadata *RecognitionMetadata `json:"metadata,omitempty"`

	// Model: Which model to select for the given request. Select the model
	// best suited to your domain to get best results. If a model is not
	// explicitly specified, then we auto-select a model based on the
	// parameters in the RecognitionConfig. *Model* *Description*
	// command_and_search Best for short queries such as voice commands or
	// voice search. phone_call Best for audio that originated from a phone
	// call (typically recorded at an 8khz sampling rate). video Best for
	// audio that originated from video or includes multiple speakers.
	// Ideally the audio is recorded at a 16khz or greater sampling rate.
	// This is a premium model that costs more than the standard rate.
	// default Best for audio that is not one of the specific audio models.
	// For example, long-form audio. Ideally the audio is high-fidelity,
	// recorded at a 16khz or greater sampling rate.
	Model string `json:"model,omitempty"`

	// ProfanityFilter: If set to `true`, the server will attempt to filter
	// out profanities, replacing all but the initial character in each
	// filtered word with asterisks, e.g. "f***". If set to `false` or
	// omitted, profanities won't be filtered out.
	ProfanityFilter bool `json:"profanityFilter,omitempty"`

	// SampleRateHertz: Sample rate in Hertz of the audio data sent in all
	// `RecognitionAudio` messages. Valid values are: 8000-48000. 16000 is
	// optimal. For best results, set the sampling rate of the audio source
	// to 16000 Hz. If that's not possible, use the native sample rate of
	// the audio source (instead of re-sampling). This field is optional for
	// FLAC and WAV audio files, but is required for all other audio
	// formats. For details, see AudioEncoding.
	SampleRateHertz int64 `json:"sampleRateHertz,omitempty"`

	// SpeechContexts: Array of SpeechContext. A means to provide context to
	// assist the speech recognition. For more information, see speech
	// adaptation (https://cloud.google.com/speech-to-text/docs/adaptation).
	SpeechContexts []*SpeechContext `json:"speechContexts,omitempty"`

	// UseEnhanced: Set to true to use an enhanced model for speech
	// recognition. If `use_enhanced` is set to true and the `model` field
	// is not set, then an appropriate enhanced model is chosen if an
	// enhanced model exists for the audio. If `use_enhanced` is true and an
	// enhanced version of the specified model does not exist, then the
	// speech is recognized using the standard version of the specified
	// model.
	UseEnhanced bool `json:"useEnhanced,omitempty"`

	// ForceSendFields is a list of field names (e.g. "AudioChannelCount")
	// to unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "AudioChannelCount") to
	// include in API requests with the JSON null value. By default, fields
	// with empty values are omitted from API requests. However, any field
	// with an empty value appearing in NullFields will be sent to the
	// server as null. It is an error if a field in this list has a
	// non-empty value. This may be used to include null fields in Patch
	// requests.
	NullFields []string `json:"-"`
}

RecognitionConfig: Provides information to the recognizer that specifies how to process the request.

func (*RecognitionConfig) MarshalJSON 

func (s *RecognitionConfig) MarshalJSON() ([]byte, error)

type RecognitionMetadata 

type RecognitionMetadata struct {
	// AudioTopic: Description of the content. Eg. "Recordings of federal
	// supreme court hearings from 2012".
	AudioTopic string `json:"audioTopic,omitempty"`

	// IndustryNaicsCodeOfAudio: The industry vertical to which this speech
	// recognition request most closely applies. This is most indicative of
	// the topics contained in the audio. Use the 6-digit NAICS code to
	// identify the industry vertical - see https://www.naics.com/search/.
	IndustryNaicsCodeOfAudio int64 `json:"industryNaicsCodeOfAudio,omitempty"`

	// InteractionType: The use case most closely describing the audio
	// content to be recognized.
	//
	// Possible values:
	//   "INTERACTION_TYPE_UNSPECIFIED" - Use case is either unknown or is
	// something other than one of the other values below.
	//   "DISCUSSION" - Multiple people in a conversation or discussion. For
	// example in a meeting with two or more people actively participating.
	// Typically all the primary people speaking would be in the same room
	// (if not, see PHONE_CALL)
	//   "PRESENTATION" - One or more persons lecturing or presenting to
	// others, mostly uninterrupted.
	//   "PHONE_CALL" - A phone-call or video-conference in which two or
	// more people, who are not in the same room, are actively
	// participating.
	//   "VOICEMAIL" - A recorded message intended for another person to
	// listen to.
	//   "PROFESSIONALLY_PRODUCED" - Professionally produced audio (eg. TV
	// Show, Podcast).
	//   "VOICE_SEARCH" - Transcribe spoken questions and queries into text.
	//   "VOICE_COMMAND" - Transcribe voice commands, such as for
	// controlling a device.
	//   "DICTATION" - Transcribe speech to text to create a written
	// document, such as a text-message, email or report.
	InteractionType string `json:"interactionType,omitempty"`

	// MicrophoneDistance: The audio type that most closely describes the
	// audio being recognized.
	//
	// Possible values:
	//   "MICROPHONE_DISTANCE_UNSPECIFIED" - Audio type is not known.
	//   "NEARFIELD" - The audio was captured from a closely placed
	// microphone. Eg. phone, dictaphone, or handheld microphone. Generally
	// if there speaker is within 1 meter of the microphone.
	//   "MIDFIELD" - The speaker if within 3 meters of the microphone.
	//   "FARFIELD" - The speaker is more than 3 meters away from the
	// microphone.
	MicrophoneDistance string `json:"microphoneDistance,omitempty"`

	// OriginalMediaType: The original media the speech was recorded on.
	//
	// Possible values:
	//   "ORIGINAL_MEDIA_TYPE_UNSPECIFIED" - Unknown original media type.
	//   "AUDIO" - The speech data is an audio recording.
	//   "VIDEO" - The speech data originally recorded on a video.
	OriginalMediaType string `json:"originalMediaType,omitempty"`

	// OriginalMimeType: Mime type of the original audio file. For example
	// `audio/m4a`, `audio/x-alaw-basic`, `audio/mp3`, `audio/3gpp`. A list
	// of possible audio mime types is maintained at
	// http://www.iana.org/assignments/media-types/media-types.xhtml#audio
	OriginalMimeType string `json:"originalMimeType,omitempty"`

	// RecordingDeviceName: The device used to make the recording. Examples
	// 'Nexus 5X' or 'Polycom SoundStation IP 6000' or 'POTS' or 'VoIP' or
	// 'Cardioid Microphone'.
	RecordingDeviceName string `json:"recordingDeviceName,omitempty"`

	// RecordingDeviceType: The type of device the speech was recorded with.
	//
	// Possible values:
	//   "RECORDING_DEVICE_TYPE_UNSPECIFIED" - The recording device is
	// unknown.
	//   "SMARTPHONE" - Speech was recorded on a smartphone.
	//   "PC" - Speech was recorded using a personal computer or tablet.
	//   "PHONE_LINE" - Speech was recorded over a phone line.
	//   "VEHICLE" - Speech was recorded in a vehicle.
	//   "OTHER_OUTDOOR_DEVICE" - Speech was recorded outdoors.
	//   "OTHER_INDOOR_DEVICE" - Speech was recorded indoors.
	RecordingDeviceType string `json:"recordingDeviceType,omitempty"`

	// ForceSendFields is a list of field names (e.g. "AudioTopic") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "AudioTopic") to include in
	// API requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

RecognitionMetadata: Description of audio data to be recognized.

func (*RecognitionMetadata) MarshalJSON 

func (s *RecognitionMetadata) MarshalJSON() ([]byte, error)

type RecognizeRequest 

type RecognizeRequest struct {
	// Audio: Required. The audio data to be recognized.
	Audio *RecognitionAudio `json:"audio,omitempty"`

	// Config: Required. Provides information to the recognizer that
	// specifies how to process the request.
	Config *RecognitionConfig `json:"config,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Audio") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Audio") to include in API
	// requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

RecognizeRequest: The top-level message sent by the client for the `Recognize` method.

func (*RecognizeRequest) MarshalJSON 

func (s *RecognizeRequest) MarshalJSON() ([]byte, error)

type RecognizeResponse 

type RecognizeResponse struct {
	// Results: Sequential list of transcription results corresponding to
	// sequential portions of audio.
	Results []*SpeechRecognitionResult `json:"results,omitempty"`

	// ServerResponse contains the HTTP response code and headers from the
	// server.
	googleapi.ServerResponse `json:"-"`

	// ForceSendFields is a list of field names (e.g. "Results") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Results") to include in
	// API requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

RecognizeResponse: The only message returned to the client by the `Recognize` method. It contains the result as zero or more sequential `SpeechRecognitionResult` messages.

func (*RecognizeResponse) MarshalJSON 

func (s *RecognizeResponse) MarshalJSON() ([]byte, error)

type Service 

type Service struct {
	BasePath  string // API endpoint base URL
	UserAgent string // optional additional User-Agent fragment

	Operations *OperationsService

	Speech *SpeechService
	// contains filtered or unexported fields
}

func New deprecated 

func New(client *http.Client) (*Service, error)

New creates a new Service. It uses the provided http.Client for requests.

Deprecated: please use NewService instead. To provide a custom HTTP client, use option.WithHTTPClient. If you are using google.golang.org/api/googleapis/transport.APIKey, use option.WithAPIKey with NewService instead.

func NewService 

func NewService(ctx context.Context, opts ...option.ClientOption) (*Service, error)

NewService creates a new Service.

type SpeakerDiarizationConfig 

type SpeakerDiarizationConfig struct {
	// EnableSpeakerDiarization: If 'true', enables speaker detection for
	// each recognized word in the top alternative of the recognition result
	// using a speaker_tag provided in the WordInfo.
	EnableSpeakerDiarization bool `json:"enableSpeakerDiarization,omitempty"`

	// MaxSpeakerCount: Maximum number of speakers in the conversation. This
	// range gives you more flexibility by allowing the system to
	// automatically determine the correct number of speakers. If not set,
	// the default value is 6.
	MaxSpeakerCount int64 `json:"maxSpeakerCount,omitempty"`

	// MinSpeakerCount: Minimum number of speakers in the conversation. This
	// range gives you more flexibility by allowing the system to
	// automatically determine the correct number of speakers. If not set,
	// the default value is 2.
	MinSpeakerCount int64 `json:"minSpeakerCount,omitempty"`

	// SpeakerTag: Output only. Unused.
	SpeakerTag int64 `json:"speakerTag,omitempty"`

	// ForceSendFields is a list of field names (e.g.
	// "EnableSpeakerDiarization") to unconditionally include in API
	// requests. By default, fields with empty values are omitted from API
	// requests. However, any non-pointer, non-interface field appearing in
	// ForceSendFields will be sent to the server regardless of whether the
	// field is empty or not. This may be used to include empty fields in
	// Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "EnableSpeakerDiarization")
	// to include in API requests with the JSON null value. By default,
	// fields with empty values are omitted from API requests. However, any
	// field with an empty value appearing in NullFields will be sent to the
	// server as null. It is an error if a field in this list has a
	// non-empty value. This may be used to include null fields in Patch
	// requests.
	NullFields []string `json:"-"`
}

SpeakerDiarizationConfig: Config to enable speaker diarization.

func (*SpeakerDiarizationConfig) MarshalJSON 

func (s *SpeakerDiarizationConfig) MarshalJSON() ([]byte, error)

type SpeechContext 

type SpeechContext struct {
	// Phrases: A list of strings containing words and phrases "hints" so
	// that the speech recognition is more likely to recognize them. This
	// can be used to improve the accuracy for specific words and phrases,
	// for example, if specific commands are typically spoken by the user.
	// This can also be used to add additional words to the vocabulary of
	// the recognizer. See usage limits
	// (https://cloud.google.com/speech-to-text/quotas#content). List items
	// can also be set to classes for groups of words that represent common
	// concepts that occur in natural language. For example, rather than
	// providing phrase hints for every month of the year, using the $MONTH
	// class improves the likelihood of correctly transcribing audio that
	// includes months.
	Phrases []string `json:"phrases,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Phrases") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Phrases") to include in
	// API requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

SpeechContext: Provides "hints" to the speech recognizer to favor specific words and phrases in the results.

func (*SpeechContext) MarshalJSON 

func (s *SpeechContext) MarshalJSON() ([]byte, error)

type SpeechLongrunningrecognizeCall 

type SpeechLongrunningrecognizeCall struct {
	// contains filtered or unexported fields
}

func (*SpeechLongrunningrecognizeCall) Context 

func (c *SpeechLongrunningrecognizeCall) Context(ctx context.Context) *SpeechLongrunningrecognizeCall

Context sets the context to be used in this call's Do method. Any pending HTTP request will be aborted if the provided context is canceled.

func (*SpeechLongrunningrecognizeCall) Do 

func (c *SpeechLongrunningrecognizeCall) Do(opts ...googleapi.CallOption) (*Operation, error)

Do executes the "speech.speech.longrunningrecognize" call. Exactly one of *Operation or error will be non-nil. Any non-2xx status code is an error. Response headers are in either *Operation.ServerResponse.Header or (if a response was returned at all) in error.(*googleapi.Error).Header. Use googleapi.IsNotModified to check whether the returned error was because http.StatusNotModified was returned.

func (*SpeechLongrunningrecognizeCall) Fields 

func (c *SpeechLongrunningrecognizeCall) Fields(s ...googleapi.Field) *SpeechLongrunningrecognizeCall

Fields allows partial responses to be retrieved. See https://developers.google.com/gdata/docs/2.0/basics#PartialResponse for more information.

func (*SpeechLongrunningrecognizeCall) Header 

func (c *SpeechLongrunningrecognizeCall) Header() http.Header

Header returns an http.Header that can be modified by the caller to add HTTP headers to the request.

type SpeechRecognitionAlternative 

type SpeechRecognitionAlternative struct {
	// Confidence: The confidence estimate between 0.0 and 1.0. A higher
	// number indicates an estimated greater likelihood that the recognized
	// words are correct. This field is set only for the top alternative of
	// a non-streaming result or, of a streaming result where
	// `is_final=true`. This field is not guaranteed to be accurate and
	// users should not rely on it to be always provided. The default of 0.0
	// is a sentinel value indicating `confidence` was not set.
	Confidence float64 `json:"confidence,omitempty"`

	// Transcript: Transcript text representing the words that the user
	// spoke.
	Transcript string `json:"transcript,omitempty"`

	// Words: A list of word-specific information for each recognized word.
	// Note: When `enable_speaker_diarization` is true, you will see all the
	// words from the beginning of the audio.
	Words []*WordInfo `json:"words,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Confidence") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Confidence") to include in
	// API requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

SpeechRecognitionAlternative: Alternative hypotheses (a.k.a. n-best list).

func (*SpeechRecognitionAlternative) MarshalJSON 

func (s *SpeechRecognitionAlternative) MarshalJSON() ([]byte, error)

func (*SpeechRecognitionAlternative) UnmarshalJSON 

func (s *SpeechRecognitionAlternative) UnmarshalJSON(data []byte) error

type SpeechRecognitionResult 

type SpeechRecognitionResult struct {
	// Alternatives: May contain one or more recognition hypotheses (up to
	// the maximum specified in `max_alternatives`). These alternatives are
	// ordered in terms of accuracy, with the top (first) alternative being
	// the most probable, as ranked by the recognizer.
	Alternatives []*SpeechRecognitionAlternative `json:"alternatives,omitempty"`

	// ChannelTag: For multi-channel audio, this is the channel number
	// corresponding to the recognized result for the audio from that
	// channel. For audio_channel_count = N, its output values can range
	// from '1' to 'N'.
	ChannelTag int64 `json:"channelTag,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Alternatives") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Alternatives") to include
	// in API requests with the JSON null value. By default, fields with
	// empty values are omitted from API requests. However, any field with
	// an empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

SpeechRecognitionResult: A speech recognition result corresponding to a portion of the audio.

func (*SpeechRecognitionResult) MarshalJSON 

func (s *SpeechRecognitionResult) MarshalJSON() ([]byte, error)

type SpeechRecognizeCall 

type SpeechRecognizeCall struct {
	// contains filtered or unexported fields
}

func (*SpeechRecognizeCall) Context 

func (c *SpeechRecognizeCall) Context(ctx context.Context) *SpeechRecognizeCall

Context sets the context to be used in this call's Do method. Any pending HTTP request will be aborted if the provided context is canceled.

func (*SpeechRecognizeCall) Do 

func (c *SpeechRecognizeCall) Do(opts ...googleapi.CallOption) (*RecognizeResponse, error)

Do executes the "speech.speech.recognize" call. Exactly one of *RecognizeResponse or error will be non-nil. Any non-2xx status code is an error. Response headers are in either *RecognizeResponse.ServerResponse.Header or (if a response was returned at all) in error.(*googleapi.Error).Header. Use googleapi.IsNotModified to check whether the returned error was because http.StatusNotModified was returned.

func (*SpeechRecognizeCall) Fields 

func (c *SpeechRecognizeCall) Fields(s ...googleapi.Field) *SpeechRecognizeCall

Fields allows partial responses to be retrieved. See https://developers.google.com/gdata/docs/2.0/basics#PartialResponse for more information.

func (*SpeechRecognizeCall) Header 

func (c *SpeechRecognizeCall) Header() http.Header

Header returns an http.Header that can be modified by the caller to add HTTP headers to the request.

type SpeechService 

type SpeechService struct {
	// contains filtered or unexported fields
}

func NewSpeechService 

func NewSpeechService(s *Service) *SpeechService

func (*SpeechService) Longrunningrecognize 

func (r *SpeechService) Longrunningrecognize(longrunningrecognizerequest *LongRunningRecognizeRequest) *SpeechLongrunningrecognizeCall

Longrunningrecognize: Performs asynchronous speech recognition: receive results via the google.longrunning.Operations interface. Returns either an `Operation.error` or an `Operation.response` which contains a `LongRunningRecognizeResponse` message. For more information on asynchronous speech recognition, see the how-to (https://cloud.google.com/speech-to-text/docs/async-recognize).

func (*SpeechService) Recognize 

func (r *SpeechService) Recognize(recognizerequest *RecognizeRequest) *SpeechRecognizeCall

Recognize: Performs synchronous speech recognition: receive results after all audio has been sent and processed.

type Status 

type Status struct {
	// Code: The status code, which should be an enum value of
	// google.rpc.Code.
	Code int64 `json:"code,omitempty"`

	// Details: A list of messages that carry the error details. There is a
	// common set of message types for APIs to use.
	Details []googleapi.RawMessage `json:"details,omitempty"`

	// Message: A developer-facing error message, which should be in
	// English. Any user-facing error message should be localized and sent
	// in the google.rpc.Status.details field, or localized by the client.
	Message string `json:"message,omitempty"`

	// ForceSendFields is a list of field names (e.g. "Code") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "Code") to include in API
	// requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

Status: The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by gRPC (https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the API Design Guide (https://cloud.google.com/apis/design/errors).

func (*Status) MarshalJSON 

func (s *Status) MarshalJSON() ([]byte, error)

type WordInfo 

type WordInfo struct {
	// EndTime: Time offset relative to the beginning of the audio, and
	// corresponding to the end of the spoken word. This field is only set
	// if `enable_word_time_offsets=true` and only in the top hypothesis.
	// This is an experimental feature and the accuracy of the time offset
	// can vary.
	EndTime string `json:"endTime,omitempty"`

	// SpeakerTag: Output only. A distinct integer value is assigned for
	// every speaker within the audio. This field specifies which one of
	// those speakers was detected to have spoken this word. Value ranges
	// from '1' to diarization_speaker_count. speaker_tag is set if
	// enable_speaker_diarization = 'true' and only in the top alternative.
	SpeakerTag int64 `json:"speakerTag,omitempty"`

	// StartTime: Time offset relative to the beginning of the audio, and
	// corresponding to the start of the spoken word. This field is only set
	// if `enable_word_time_offsets=true` and only in the top hypothesis.
	// This is an experimental feature and the accuracy of the time offset
	// can vary.
	StartTime string `json:"startTime,omitempty"`

	// Word: The word corresponding to this set of information.
	Word string `json:"word,omitempty"`

	// ForceSendFields is a list of field names (e.g. "EndTime") to
	// unconditionally include in API requests. By default, fields with
	// empty values are omitted from API requests. However, any non-pointer,
	// non-interface field appearing in ForceSendFields will be sent to the
	// server regardless of whether the field is empty or not. This may be
	// used to include empty fields in Patch requests.
	ForceSendFields []string `json:"-"`

	// NullFields is a list of field names (e.g. "EndTime") to include in
	// API requests with the JSON null value. By default, fields with empty
	// values are omitted from API requests. However, any field with an
	// empty value appearing in NullFields will be sent to the server as
	// null. It is an error if a field in this list has a non-empty value.
	// This may be used to include null fields in Patch requests.
	NullFields []string `json:"-"`
}

WordInfo: Word-specific information for recognized words.

func (*WordInfo) MarshalJSON 

func (s *WordInfo) MarshalJSON() ([]byte, error)

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