/
api_op_StartFaceSearch.go
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/
api_op_StartFaceSearch.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package rekognition
import (
"context"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/rekognition/types"
"github.com/awslabs/smithy-go/middleware"
smithyhttp "github.com/awslabs/smithy-go/transport/http"
)
// Starts the asynchronous search for faces in a collection that match the faces of
// persons detected in a stored video. The video must be stored in an Amazon S3
// bucket. Use Video to specify the bucket name and the filename of the video.
// StartFaceSearch returns a job identifier (JobId) which you use to get the search
// results once the search has completed. When searching is finished, Amazon
// Rekognition Video publishes a completion status to the Amazon Simple
// Notification Service topic that you specify in NotificationChannel. To get the
// search results, first check that the status value published to the Amazon SNS
// topic is SUCCEEDED. If so, call GetFaceSearch and pass the job identifier
// (JobId) from the initial call to StartFaceSearch. For more information, see
// procedure-person-search-videos.
func (c *Client) StartFaceSearch(ctx context.Context, params *StartFaceSearchInput, optFns ...func(*Options)) (*StartFaceSearchOutput, error) {
if params == nil {
params = &StartFaceSearchInput{}
}
result, metadata, err := c.invokeOperation(ctx, "StartFaceSearch", params, optFns, addOperationStartFaceSearchMiddlewares)
if err != nil {
return nil, err
}
out := result.(*StartFaceSearchOutput)
out.ResultMetadata = metadata
return out, nil
}
type StartFaceSearchInput struct {
// ID of the collection that contains the faces you want to search for.
//
// This member is required.
CollectionId *string
// The video you want to search. The video must be stored in an Amazon S3 bucket.
//
// This member is required.
Video *types.Video
// Idempotent token used to identify the start request. If you use the same token
// with multiple StartFaceSearch requests, the same JobId is returned. Use
// ClientRequestToken to prevent the same job from being accidently started more
// than once.
ClientRequestToken *string
// The minimum confidence in the person match to return. For example, don't return
// any matches where confidence in matches is less than 70%. The default value is
// 80%.
FaceMatchThreshold *float32
// An identifier you specify that's returned in the completion notification that's
// published to your Amazon Simple Notification Service topic. For example, you can
// use JobTag to group related jobs and identify them in the completion
// notification.
JobTag *string
// The ARN of the Amazon SNS topic to which you want Amazon Rekognition Video to
// publish the completion status of the search.
NotificationChannel *types.NotificationChannel
}
type StartFaceSearchOutput struct {
// The identifier for the search job. Use JobId to identify the job in a subsequent
// call to GetFaceSearch.
JobId *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
}
func addOperationStartFaceSearchMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpStartFaceSearch{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpStartFaceSearch{}, middleware.After)
if err != nil {
return err
}
awsmiddleware.AddRequestInvocationIDMiddleware(stack)
smithyhttp.AddContentLengthMiddleware(stack)
addResolveEndpointMiddleware(stack, options)
v4.AddComputePayloadSHA256Middleware(stack)
addRetryMiddlewares(stack, options)
addHTTPSignerV4Middleware(stack, options)
awsmiddleware.AddAttemptClockSkewMiddleware(stack)
addClientUserAgent(stack)
smithyhttp.AddErrorCloseResponseBodyMiddleware(stack)
smithyhttp.AddCloseResponseBodyMiddleware(stack)
addOpStartFaceSearchValidationMiddleware(stack)
stack.Initialize.Add(newServiceMetadataMiddleware_opStartFaceSearch(options.Region), middleware.Before)
addRequestIDRetrieverMiddleware(stack)
addResponseErrorMiddleware(stack)
return nil
}
func newServiceMetadataMiddleware_opStartFaceSearch(region string) awsmiddleware.RegisterServiceMetadata {
return awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "rekognition",
OperationName: "StartFaceSearch",
}
}