This directory contains an idiomatic C++ client library for the Cloud Text-to-Speech API, a service to synthesize natural-sounding speech by applying powerful neural network models.
While this library is GA, please note that the Google Cloud C++ client libraries do not follow Semantic Versioning.
The quickstart/ directory contains a minimal environment to get started using this client library in a larger project. The following “Hello World” program is used in this quickstart, and should give you a taste of this library.
For detailed instructions on how to build and install this library, see the top-level README.
#include "google/cloud/texttospeech/v1/text_to_speech_client.h"
#include <iostream>
auto constexpr kText = R"""(
Four score and seven years ago our fathers brought forth on this
continent, a new nation, conceived in Liberty, and dedicated to
the proposition that all men are created equal.)""";
int main(int argc, char* argv[]) try {
if (argc != 1) {
std::cerr << "Usage: " << argv[0] << "\n";
return 1;
}
namespace texttospeech = ::google::cloud::texttospeech_v1;
auto client = texttospeech::TextToSpeechClient(
texttospeech::MakeTextToSpeechConnection());
google::cloud::texttospeech::v1::SynthesisInput input;
input.set_text(kText);
google::cloud::texttospeech::v1::VoiceSelectionParams voice;
voice.set_language_code("en-US");
google::cloud::texttospeech::v1::AudioConfig audio;
audio.set_audio_encoding(google::cloud::texttospeech::v1::LINEAR16);
auto response = client.SynthesizeSpeech(input, voice, audio);
if (!response) throw std::move(response).status();
// Normally one would play the results (response->audio_content()) over some
// audio device. For this quickstart, we just print some information.
auto constexpr kWavHeaderSize = 48;
auto constexpr kBytesPerSample = 2; // we asked for LINEAR16
auto const sample_count =
(response->audio_content().size() - kWavHeaderSize) / kBytesPerSample;
std::cout << "The audio has " << sample_count << " samples\n";
return 0;
} catch (google::cloud::Status const& status) {
std::cerr << "google::cloud::Status thrown: " << status << "\n";
return 1;
}
.h files