Terjemahan disediakan oleh mesin penerjemah. Jika konten terjemahan yang diberikan bertentangan dengan versi bahasa Inggris aslinya, utamakan versi bahasa Inggris.
Gunakan StartStreamTranscriptionAsync
dengan AWS SDKatau CLI
Contoh kode berikut menunjukkan cara menggunakanStartStreamTranscriptionAsync
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- C++
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- SDKuntuk C ++
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara mengatur dan menjalankan di AWS Repositori
Contoh Kode. int main() { Aws::SDKOptions options; Aws::InitAPI(options); { //TODO(User): Set to the region of your AWS account. const Aws::String region = Aws::Region::US_WEST_2; //Load a profile that has been granted AmazonTranscribeFullAccess AWS managed permission policy. Aws::Client::ClientConfiguration config; #ifdef _WIN32 // ATTENTION: On Windows with the AWS C++ SDK, this example only runs if the SDK is built // with the curl library. // For more information, see the accompanying ReadMe. // For more information, see "Building the SDK for Windows with curl". // https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/setup-windows.html //TODO(User): Update to the location of your .crt file. config.caFile = "C:/curl/bin/curl-ca-bundle.crt"; #endif config.region = region; TranscribeStreamingServiceClient client(config); StartStreamTranscriptionHandler handler; handler.SetOnErrorCallback( [](const Aws::Client::AWSError<TranscribeStreamingServiceErrors> &error) { std::cerr << "ERROR: " + error.GetMessage() << std::endl; }); //SetTranscriptEventCallback called for every 'chunk' of file transcripted. // Partial results are returned in real time. handler.SetTranscriptEventCallback([](const TranscriptEvent &ev) { for (auto &&r: ev.GetTranscript().GetResults()) { if (r.GetIsPartial()) { std::cout << "[partial] "; } else { std::cout << "[Final] "; } for (auto &&alt: r.GetAlternatives()) { std::cout << alt.GetTranscript() << std::endl; } } }); StartStreamTranscriptionRequest request; request.SetMediaSampleRateHertz(SAMPLE_RATE); request.SetLanguageCode(LanguageCode::en_US); request.SetMediaEncoding( MediaEncoding::pcm); // wav and aiff files are PCM formats. request.SetEventStreamHandler(handler); auto OnStreamReady = [](AudioStream &stream) { Aws::FStream file(FILE_NAME, std::ios_base::in | std::ios_base::binary); if (!file.is_open()) { std::cerr << "Failed to open " << FILE_NAME << '\n'; } std::array<char, BUFFER_SIZE> buf; int i = 0; while (file) { file.read(&buf[0], buf.size()); if (!file) std::cout << "File: only " << file.gcount() << " could be read" << std::endl; Aws::Vector<unsigned char> bits{buf.begin(), buf.end()}; AudioEvent event(std::move(bits)); if (!stream) { std::cerr << "Failed to create a stream" << std::endl; break; } //The std::basic_istream::gcount() is used to count the characters in the given string. It returns //the number of characters extracted by the last read() operation. if (file.gcount() > 0) { if (!stream.WriteAudioEvent(event)) { std::cerr << "Failed to write an audio event" << std::endl; break; } } else { break; } std::this_thread::sleep_for(std::chrono::milliseconds( 25)); // Slow down because we are streaming from a file. } if (!stream.WriteAudioEvent( AudioEvent())) { // Per the spec, we have to send an empty event (an event without a payload) at the end. std::cerr << "Failed to send an empty frame" << std::endl; } else { std::cout << "Successfully sent the empty frame" << std::endl; } stream.flush(); stream.Close(); }; Aws::Utils::Threading::Semaphore signaling(0 /*initialCount*/, 1 /*maxCount*/); auto OnResponseCallback = [&signaling]( const TranscribeStreamingServiceClient * /*unused*/, const Model::StartStreamTranscriptionRequest & /*unused*/, const Model::StartStreamTranscriptionOutcome &outcome, const std::shared_ptr<const Aws::Client::AsyncCallerContext> & /*unused*/) { if (!outcome.IsSuccess()) { std::cerr << "Transcribe streaming error " << outcome.GetError().GetMessage() << std::endl; } signaling.Release(); }; std::cout << "Starting..." << std::endl; client.StartStreamTranscriptionAsync(request, OnStreamReady, OnResponseCallback, nullptr /*context*/); signaling.WaitOne(); // Prevent the application from exiting until we're done. std::cout << "Done" << std::endl; } Aws::ShutdownAPI(options); return 0; }
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Untuk API detailnya, lihat StartStreamTranscriptionAsyncdi AWS SDK for C++ APIReferensi.
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Untuk daftar lengkap AWS SDKpanduan pengembang dan contoh kode, lihatMenggunakan layanan ini dengan AWS SDK. Topik ini juga mencakup informasi tentang memulai dan detail tentang SDK versi sebelumnya.
StartMedicalTranscriptionJob
StartTranscriptionJob