| // Copyright 2016, Google Inc. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // AUTO-GENERATED CODE. DO NOT EDIT. |
| |
| package speech |
| |
| import ( |
| "fmt" |
| "runtime" |
| "time" |
| |
| "cloud.google.com/go/longrunning" |
| gax "github.com/googleapis/gax-go" |
| "golang.org/x/net/context" |
| "google.golang.org/api/option" |
| "google.golang.org/api/transport" |
| speechpb "google.golang.org/genproto/googleapis/cloud/speech/v1beta1" |
| longrunningpb "google.golang.org/genproto/googleapis/longrunning" |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/metadata" |
| ) |
| |
| // CallOptions contains the retry settings for each method of Client. |
| type CallOptions struct { |
| SyncRecognize []gax.CallOption |
| AsyncRecognize []gax.CallOption |
| StreamingRecognize []gax.CallOption |
| } |
| |
| func defaultClientOptions() []option.ClientOption { |
| return []option.ClientOption{ |
| option.WithEndpoint("speech.googleapis.com:443"), |
| option.WithScopes( |
| "https://www.googleapis.com/auth/cloud-platform", |
| ), |
| } |
| } |
| |
| func defaultCallOptions() *CallOptions { |
| retry := map[[2]string][]gax.CallOption{ |
| {"default", "idempotent"}: { |
| gax.WithRetry(func() gax.Retryer { |
| return gax.OnCodes([]codes.Code{ |
| codes.DeadlineExceeded, |
| codes.Unavailable, |
| }, gax.Backoff{ |
| Initial: 100 * time.Millisecond, |
| Max: 60000 * time.Millisecond, |
| Multiplier: 1.3, |
| }) |
| }), |
| }, |
| } |
| return &CallOptions{ |
| SyncRecognize: retry[[2]string{"default", "idempotent"}], |
| AsyncRecognize: retry[[2]string{"default", "idempotent"}], |
| StreamingRecognize: retry[[2]string{"default", "non_idempotent"}], |
| } |
| } |
| |
| // Client is a client for interacting with Google Cloud Speech API. |
| type Client struct { |
| // The connection to the service. |
| conn *grpc.ClientConn |
| |
| // The gRPC API client. |
| client speechpb.SpeechClient |
| |
| // The call options for this service. |
| CallOptions *CallOptions |
| |
| // The metadata to be sent with each request. |
| metadata metadata.MD |
| } |
| |
| // NewClient creates a new speech client. |
| // |
| // Service that implements Google Cloud Speech API. |
| func NewClient(ctx context.Context, opts ...option.ClientOption) (*Client, error) { |
| conn, err := transport.DialGRPC(ctx, append(defaultClientOptions(), opts...)...) |
| if err != nil { |
| return nil, err |
| } |
| c := &Client{ |
| conn: conn, |
| CallOptions: defaultCallOptions(), |
| |
| client: speechpb.NewSpeechClient(conn), |
| } |
| c.SetGoogleClientInfo("gax", gax.Version) |
| return c, nil |
| } |
| |
| // Connection returns the client's connection to the API service. |
| func (c *Client) Connection() *grpc.ClientConn { |
| return c.conn |
| } |
| |
| // Close closes the connection to the API service. The user should invoke this when |
| // the client is no longer required. |
| func (c *Client) Close() error { |
| return c.conn.Close() |
| } |
| |
| // SetGoogleClientInfo sets the name and version of the application in |
| // the `x-goog-api-client` header passed on each request. Intended for |
| // use by Google-written clients. |
| func (c *Client) SetGoogleClientInfo(name, version string) { |
| v := fmt.Sprintf("%s/%s %s gax/%s go/%s", name, version, gapicNameVersion, gax.Version, runtime.Version()) |
| c.metadata = metadata.Pairs("x-goog-api-client", v) |
| } |
| |
| // SyncRecognize perform synchronous speech-recognition: receive results after all audio |
| // has been sent and processed. |
| func (c *Client) SyncRecognize(ctx context.Context, req *speechpb.SyncRecognizeRequest) (*speechpb.SyncRecognizeResponse, error) { |
| md, _ := metadata.FromContext(ctx) |
| ctx = metadata.NewContext(ctx, metadata.Join(md, c.metadata)) |
| var resp *speechpb.SyncRecognizeResponse |
| err := gax.Invoke(ctx, func(ctx context.Context) error { |
| var err error |
| resp, err = c.client.SyncRecognize(ctx, req) |
| return err |
| }, c.CallOptions.SyncRecognize...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |
| |
| // AsyncRecognize perform asynchronous speech-recognition: receive results via the |
| // google.longrunning.Operations interface. Returns either an |
| // `Operation.error` or an `Operation.response` which contains |
| // an `AsyncRecognizeResponse` message. |
| func (c *Client) AsyncRecognize(ctx context.Context, req *speechpb.AsyncRecognizeRequest) (*longrunning.Operation, error) { |
| md, _ := metadata.FromContext(ctx) |
| ctx = metadata.NewContext(ctx, metadata.Join(md, c.metadata)) |
| var resp *longrunningpb.Operation |
| err := gax.Invoke(ctx, func(ctx context.Context) error { |
| var err error |
| resp, err = c.client.AsyncRecognize(ctx, req) |
| return err |
| }, c.CallOptions.AsyncRecognize...) |
| if err != nil { |
| return nil, err |
| } |
| return longrunning.InternalNewOperation(c.Connection(), resp), nil |
| } |
| |
| // StreamingRecognize perform bidirectional streaming speech-recognition: receive results while |
| // sending audio. This method is only available via the gRPC API (not REST). |
| func (c *Client) StreamingRecognize(ctx context.Context) (speechpb.Speech_StreamingRecognizeClient, error) { |
| md, _ := metadata.FromContext(ctx) |
| ctx = metadata.NewContext(ctx, metadata.Join(md, c.metadata)) |
| var resp speechpb.Speech_StreamingRecognizeClient |
| err := gax.Invoke(ctx, func(ctx context.Context) error { |
| var err error |
| resp, err = c.client.StreamingRecognize(ctx) |
| return err |
| }, c.CallOptions.StreamingRecognize...) |
| if err != nil { |
| return nil, err |
| } |
| return resp, nil |
| } |