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An idiomatic C++ client library for the Cloud Video Intelligence API, a service to detect objects, explicit content, and scene changes in videos. It also specifies the region for annotation and transcribes speech to text.
While this library is GA, please note Google Cloud C++ client libraries do not follow Semantic Versioning.
QuickstartThe following shows the code that you'll run in the google/cloud/videointelligence/quickstart/ directory, which should give you a taste of the Cloud Video Intelligence API C++ client library API.
#include "google/cloud/videointelligence/v1/video_intelligence_client.h"
#include <google/protobuf/util/time_util.h>
#include <iostream>
int main(int argc, char* argv[]) try {
auto constexpr kDefaultUri = "gs://cloud-samples-data/video/animals.mp4";
if (argc > 2) {
std::cerr << "Usage: " << argv[0] << " [video-uri]\n"
<< " The gcs-uri must be in gs://... format and must point to a"
<< " MP4 video.\n"
<< "It defaults to " << kDefaultUri << "\n";
return 1;
}
auto uri = std::string{argc == 2 ? argv[1] : kDefaultUri};
namespace videointelligence = ::google::cloud::videointelligence_v1;
auto client = videointelligence::VideoIntelligenceServiceClient(
videointelligence::MakeVideoIntelligenceServiceConnection());
using google::cloud::videointelligence::v1::Feature;
google::cloud::videointelligence::v1::AnnotateVideoRequest request;
request.set_input_uri(uri);
request.add_features(Feature::SPEECH_TRANSCRIPTION);
auto& config =
*request.mutable_video_context()->mutable_speech_transcription_config();
config.set_language_code("en-US"); // Adjust based
config.set_max_alternatives(1); // We will just print the highest-confidence
auto future = client.AnnotateVideo(request);
std::cout << "Waiting for response";
auto const delay = std::chrono::seconds(5);
while (future.wait_for(delay) == std::future_status::timeout) {
std::cout << '.' << std::flush;
}
std::cout << "DONE\n";
auto response = future.get();
if (!response) throw std::move(response).status();
for (auto const& result : response->annotation_results()) {
using ::google::protobuf::util::TimeUtil;
std::cout << "Segment ["
<< TimeUtil::ToString(result.segment().start_time_offset())
<< ", " << TimeUtil::ToString(result.segment().end_time_offset())
<< "]\n";
for (auto const& transcription : result.speech_transcriptions()) {
if (transcription.alternatives().empty()) continue;
std::cout << transcription.alternatives(0).transcript() << "\n";
}
}
return 0;
} catch (google::cloud::Status const& status) {
std::cerr << "google::cloud::Status thrown: " << status << "\n";
return 1;
}
The main class in this library is videointelligence_v1::VideoIntelligenceServiceClient. All RPCs are exposed as member functions of this class. Other classes provide helpers, configuration parameters, and infrastructure to mock videointelligence_v1::VideoIntelligenceServiceClient when testing your application.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-14 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["This webpage provides documentation for the Cloud Video Intelligence API C++ client library, which allows developers to analyze videos for objects, content, scene changes, and speech-to-text transcription."],["The library's latest stable release is version 2.24.0, while version 2.37.0-rc is the most recent release candidate, and a variety of other previous versions are listed as well."],["The main class is `videointelligence_v1::VideoIntelligenceServiceClient`, offering all RPC functionalities for interacting with the Video Intelligence API."],["The library, though generally available, does not follow Semantic Versioning, and provides detailed information on error handling, endpoint overriding, authentication credentials, retry policies, and environment variables."],["The quickstart guide demonstrates a simple use-case of speech transcription from a video file, using sample code, showing the library's basic functionality."]]],[]]
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