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QCloudPostVideoRecognitionRequest * request = [[QCloudPostVideoRecognitionRequest alloc]init];

// Object key, i.e., the full path of a COS object. If the object is in a directory, the path should be "dir1/object1".
request.object = @"exampleobject";

// File region
request.regionName = @"regionName";

// Bucket name in the format of BucketName-APPID
request.bucket = @"examplebucket-1250000000";

// Moderation type, such as `porn` (pornography) and `ads` (advertising).
// You can select multiple types; for example, `detect-type=porn,ads` indicates to moderate the image for pornographic and advertising information.
// You can use multiple parameters together, such as `QCloudRecognitionPorn | QCloudRecognitionTerrorist`.
request.detectType = QCloudRecognitionPorn | QCloudRecognitionAds;

// Frame capturing mode. Valid values: `Interval` (interval mode), `Average` (average mode), `Fps` (fixed frame rate mode).
// `Interval` mode: The `TimeInterval` and `Count` parameters take effect. If `Count` is set but `TimeInterval` is not, all frames will be captured to generate a total of `Count` images.
// `Average` mode: The `Count` parameter takes effect, indicating to capture a total of `Count` images at an average interval in the entire video.
// `Fps` mode: `TimeInterval` indicates how many frames to capture per second, and `Count` indicates how many frames to capture in total.
request.mode = QCloudVideoRecognitionModeFps;

// Video frame capturing frequency. Value range: (0.000, 60.000] seconds. The value supports the float format, accurate to the millisecond.
request.timeInterval = 1;

// The number of captured frames. Value range: (0, 10000].
request.count = 10;

// Moderation policy. If this parameter is not specified, the default policy will be used. For more information, visit https://www.tencentcloud.com/document/product/460/56345?from_cn_redirect=1.
request.bizType = @"BizType";

// Specify whether to moderate video sound. Valid values: `0` (moderates the video image only), `1` (moderates both the video image and video sound). Default value: `0`.
request.detectContent = YES;

request.finishBlock = ^(QCloudPostVideoRecognitionResult * outputObject, NSError *error) {
// The moderation result `outputObject` contains the job ID used for query. For detailed fields, see the API documentation or SDK source code.
// `QCloudPostVideoRecognitionResult` class
};
[[QCloudCOSXMLService defaultCOSXML] PostVideoRecognition:request];


QCloudGetVideoRecognitionRequest * request = [[QCloudGetVideoRecognitionRequest alloc]init];

// Bucket name in the format of BucketName-APPID
request.bucket = @"examplebucket-1250000000";

// The `jobid` returned by the `QCloudPostVideoRecognitionRequest` API
request.jobId = @"jobid";
[request setFinishBlock:^(QCloudVideoRecognitionResult * _Nullable result, NSError * _Nullable error) {
    // The moderation result `outputObject` contains the job ID used for query. For detailed fields, see the API documentation or SDK source code.
    // `QCloudVideoRecognitionResult` class
}];
[[QCloudCOSXMLService defaultCOSXML] GetVideoRecognition:request];