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// Code generated by smithy-go-codegen DO NOT EDIT.
package rekognition
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/rekognition/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/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 [Searching stored videos for faces].
//
// [Searching stored videos for faces]: https://docs.aws.amazon.com/rekognition/latest/dg/procedure-person-search-videos.html
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, c.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. The Amazon SNS topic must have a
// topic name that begins with AmazonRekognition if you are using the
// AmazonRekognitionServiceRole permissions policy to access the topic.
NotificationChannel *types.NotificationChannel
noSmithyDocumentSerde
}
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
noSmithyDocumentSerde
}
func (c *Client) addOperationStartFaceSearchMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
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
}
if err := addProtocolFinalizerMiddlewares(stack, options, "StartFaceSearch"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = addRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addTimeOffsetBuild(stack, c); err != nil {
return err
}
if err = addUserAgentRetryMode(stack, options); err != nil {
return err
}
if err = addOpStartFaceSearchValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opStartFaceSearch(options.Region), middleware.Before); err != nil {
return err
}
if err = addRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opStartFaceSearch(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "StartFaceSearch",
}
}
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