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// Copyright 2020 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 protoc-gen-go_gapic. DO NOT EDIT.
package texttospeech
import (
"context"
"math"
"time"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/option"
gtransport "google.golang.org/api/transport/grpc"
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.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
option.WithScopes(DefaultAuthScopes()...),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultCallOptions() *CallOptions {
return &CallOptions{
ListVoices: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 60000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
SynthesizeSpeech: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
codes.DeadlineExceeded,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 60000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
}
}
// 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 {
// Connection pool of gRPC connections to the service.
connPool gtransport.ConnPool
// 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) {
connPool, err := gtransport.DialPool(ctx, append(defaultClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &Client{
connPool: connPool,
CallOptions: defaultCallOptions(),
client: texttospeechpb.NewTextToSpeechClient(connPool),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns a connection to the API service.
//
// Deprecated.
func (c *Client) Connection() *grpc.ClientConn {
return c.connPool.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.connPool.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
}
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