// Copyright 2019 Google LLC // // 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 // // https://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. // Code generated by gapic-generator. DO NOT EDIT. package texttospeech import ( "context" "time" gax "github.com/googleapis/gax-go/v2" "google.golang.org/api/option" "google.golang.org/api/transport" texttospeechpb "google.golang.org/genproto/googleapis/cloud/texttospeech/v1" "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 { ListVoices []gax.CallOption SynthesizeSpeech []gax.CallOption } func defaultClientOptions() []option.ClientOption { return []option.ClientOption{ option.WithEndpoint("texttospeech.googleapis.com:443"), option.WithScopes(DefaultAuthScopes()...), } } 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{ ListVoices: retry[[2]string{"default", "idempotent"}], SynthesizeSpeech: retry[[2]string{"default", "idempotent"}], } } // Client is a client for interacting with Cloud Text-to-Speech API. // // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls. type Client struct { // The connection to the service. conn *grpc.ClientConn // The gRPC API client. client texttospeechpb.TextToSpeechClient // The call options for this service. CallOptions *CallOptions // The x-goog-* metadata to be sent with each request. xGoogMetadata metadata.MD } // NewClient creates a new text to speech client. // // Service that implements Google Cloud Text-to-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: texttospeechpb.NewTextToSpeechClient(conn), } c.setGoogleClientInfo() 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(keyval ...string) { kv := append([]string{"gl-go", versionGo()}, keyval...) kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version) c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...)) } // ListVoices returns a list of Voice supported for synthesis. func (c *Client) ListVoices(ctx context.Context, req *texttospeechpb.ListVoicesRequest, opts ...gax.CallOption) (*texttospeechpb.ListVoicesResponse, error) { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.ListVoices[0:len(c.CallOptions.ListVoices):len(c.CallOptions.ListVoices)], opts...) var resp *texttospeechpb.ListVoicesResponse err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.client.ListVoices(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, err } return resp, nil } // SynthesizeSpeech synthesizes speech synchronously: receive results after all text input // has been processed. func (c *Client) SynthesizeSpeech(ctx context.Context, req *texttospeechpb.SynthesizeSpeechRequest, opts ...gax.CallOption) (*texttospeechpb.SynthesizeSpeechResponse, error) { ctx = insertMetadata(ctx, c.xGoogMetadata) opts = append(c.CallOptions.SynthesizeSpeech[0:len(c.CallOptions.SynthesizeSpeech):len(c.CallOptions.SynthesizeSpeech)], opts...) var resp *texttospeechpb.SynthesizeSpeechResponse err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error { var err error resp, err = c.client.SynthesizeSpeech(ctx, req, settings.GRPC...) return err }, opts...) if err != nil { return nil, err } return resp, nil }