JP2020184805A - ビデオサービス品質の評価方法及び装置 - Google Patents
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
Description
監視対象のチャネルの識別子及び監視対象のユーザ機器の識別子に基づいて、監視対象のユーザ機器により送信された監視対象のチャネルに対応する再伝送要求を取得する段階であって、再伝送要求は、再伝送される必要があるパケットの識別子を含む、段階と、再伝送される必要があるパケットの識別子に基づいて、再伝送される必要があるビデオストリームを取得する段階とを含む。
再伝送サーバの識別子を取得する段階と、監視対象のチャネルの識別子、監視対象のユーザ機器の識別子及び再伝送サーバの識別子に基づいて、監視対象のユーザ機器へ再伝送サーバにより送信された再伝送パケットを取得する段階と、再伝送パケットを再伝送済みのビデオストリームと決定する段階とを含む。
Claims (10)
- ビデオサービス品質の評価方法であって、
監視対象のチャネルの識別子、監視対象のユーザ機器の識別子及びビデオサービス伝送システムの構成情報を取得する段階と、
前記監視対象のチャネルの前記識別子に基づいて、前記監視対象のチャネルのマルチキャストビデオストリームを取得し、前記監視対象のチャネルの前記識別子及び前記監視対象のユーザ機器の前記識別子に基づいて、前記監視対象のチャネルのビデオストリームであって、再伝送される必要があるビデオストリームを取得し、前記監視対象のチャネルの前記識別子、前記監視対象のユーザ機器の前記識別子及び前記ビデオサービス伝送システムの前記構成情報に基づいて、前記監視対象のチャネルの再伝送済みのビデオストリームを取得する段階と、
前記マルチキャストビデオストリームと、前記再伝送される必要があるビデオストリーム及び前記再伝送済みのビデオストリームのうちの少なくとも一方とに基づいて、評価対象のビデオストリームを決定する段階と、
前記評価対象のビデオストリームを解析し、解析結果及び前記ビデオサービス伝送システムの前記構成情報に基づいて評価結果を取得する段階と
を備える方法。 - 前記監視対象のチャネルの前記識別子及び前記監視対象のユーザ機器の前記識別子に基づいて、前記監視対象のチャネルのビデオストリームであって、再伝送される必要があるビデオストリームを取得する前記段階は、
前記監視対象のチャネルの前記識別子及び前記監視対象のユーザ機器の前記識別子に基づいて、前記監視対象のユーザ機器により送信された前記監視対象のチャネルに対応する再伝送要求を取得する段階であって、前記再伝送要求は、再伝送される必要があるパケットの識別子を有する、段階と、
前記再伝送される必要があるパケットの前記識別子に基づいて、前記再伝送される必要があるビデオストリームを取得する段階と
を有する、請求項1に記載の方法。 - 前記ビデオサービス伝送システムの前記構成情報は、前記ビデオサービス伝送システム内の各デバイスの識別子を有し、前記方法は、
前記ビデオサービス伝送システムの前記構成情報に基づいて、前記ビデオサービス伝送システムが再伝送サーバを有するか否かを決定する段階をさらに備え、
前記ビデオサービス伝送システムが前記再伝送サーバを有する場合、前記方法は、
前記再伝送サーバの識別子を取得する段階をさらに備え、
前記監視対象のチャネルの前記識別子、前記監視対象のユーザ機器の前記識別子及び前記ビデオサービス伝送システムの前記構成情報に基づいて、前記監視対象のチャネルの再伝送済みのビデオストリームを取得する前記段階は、具体的には、
前記監視対象のチャネルの前記識別子、前記監視対象のユーザ機器の前記識別子及び前記再伝送サーバの前記識別子に基づいて、前記監視対象のユーザ機器へ前記再伝送サーバにより送信された再伝送パケットを取得し、前記再伝送パケットを前記再伝送済みのビデオストリームと決定する段階を有する、請求項1に記載の方法。 - 前記監視対象のユーザ機器の前記識別子は、前記監視対象のユーザ機器のIPアドレスであり、前記再伝送サーバの前記識別子は、前記再伝送サーバのIPアドレスであり、
前記再伝送サーバ及び別のデバイスが同じIPアドレスを有する場合、前記監視対象のチャネルの前記識別子、前記監視対象のユーザ機器の前記識別子及び前記再伝送サーバの前記識別子に基づいて、前記監視対象のユーザ機器へ前記再伝送サーバにより送信された再伝送パケットを取得する前記段階は、具体的には、
前記監視対象のチャネルの前記識別子と、前記監視対象のユーザ機器の前記IPアドレスと、前記再伝送サーバの前記IPアドレスと、ビデオストリームを伝送するために用いられるパケットのカプセル化フォーマットとに基づいて、前記監視対象のユーザ機器へ前記再伝送サーバにより送信された前記再伝送パケットを決定する段階を有する、請求項3に記載の方法。 - 前記ビデオサービス伝送システムの前記構成情報は、前記監視対象のユーザ機器のバッファ容量を含み、マルチキャストビデオストリーム、再伝送される必要があるビデオストリーム及び前記監視対象のチャネルの再伝送済みのビデオストリームを取得する前記段階の前に、前記方法は、
前記監視対象のユーザ機器の前記バッファ容量に基づいて、バッファを配置する段階であって、前記バッファは、前記マルチキャストビデオストリーム及び前記再伝送済みのビデオストリームをバッファリングするように構成される、段階をさらに備える、請求項1から4のいずれか一項に記載の方法。 - ビデオサービス品質の評価装置であって、
監視対象のチャネルの識別子、監視対象のユーザ機器の識別子及びビデオサービス伝送システムの構成情報を取得するように構成される取得モジュールと、
前記監視対象のチャネルの前記識別子に基づいて、前記監視対象のチャネルのマルチキャストビデオストリームを取得し、前記監視対象のチャネルの前記識別子及び前記監視対象のユーザ機器の前記識別子に基づいて、前記監視対象のチャネルのビデオストリームであって、再伝送される必要があるビデオストリームを取得し、前記監視対象のチャネルの前記識別子、前記監視対象のユーザ機器の前記識別子及び前記ビデオサービス伝送システムの前記構成情報に基づいて、前記監視対象のチャネルの再伝送済みのビデオストリームを取得し、前記マルチキャストビデオストリームと、前記再伝送される必要があるビデオストリーム及び前記再伝送済みのビデオストリームのうちの少なくとも一方とに基づいて、評価対象のビデオストリームを決定し、前記評価対象のビデオストリームを解析し、解析結果及び前記ビデオサービス伝送システムの前記構成情報に基づいて評価結果を取得するように構成される処理モジュールと
を備える装置。 - 前記処理モジュールは、具体的には、前記監視対象のチャネルの前記識別子及び前記監視対象のユーザ機器の前記識別子に基づいて、前記監視対象のユーザ機器により送信された前記監視対象のチャネルに対応する再伝送要求であって、再伝送される必要があるパケットの識別子を有する再伝送要求を取得し、前記再伝送される必要があるパケットの前記識別子に基づいて、前記再伝送される必要があるビデオストリームを取得するように構成される、請求項6に記載の装置。
- 前記処理モジュールは、さらに、前記ビデオサービス伝送システムの前記構成情報が前記ビデオサービス伝送システム内の各デバイスの識別子を有する場合、前記ビデオサービス伝送システムの前記構成情報に基づいて、前記ビデオサービス伝送システムが再伝送サーバを有するか否かを決定し、前記ビデオサービス伝送システムが前記再伝送サーバを有する場合、前記再伝送サーバの識別子を取得し、前記監視対象のチャネルの前記識別子、前記監視対象のユーザ機器の前記識別子及び前記再伝送サーバの前記識別子に基づいて、前記監視対象のユーザ機器へ前記再伝送サーバにより送信された再伝送パケットを取得し、前記再伝送パケットを前記再伝送済みのビデオストリームと決定するように構成される、請求項6に記載の装置。
- 前記処理モジュールは、さらに、前記監視対象のユーザ機器の前記識別子が前記監視対象のユーザ機器のIPアドレスであり、前記再伝送サーバの前記識別子が前記再伝送サーバのIPアドレスであり、かつ、前記再伝送サーバ及び別のデバイスが同じIPアドレスを有する場合、前記監視対象のチャネルの前記識別子と、前記監視対象のユーザ機器の前記IPアドレスと、前記再伝送サーバの前記IPアドレスと、ビデオストリームを伝送するために用いられるパケットのカプセル化フォーマットとに基づいて、前記監視対象のユーザ機器へ前記再伝送サーバにより送信された前記再伝送パケットを決定するように構成される、請求項8に記載の装置。
- 前記処理モジュールは、さらに、前記ビデオサービス伝送システムの前記構成情報が前記監視対象のユーザ機器のバッファ容量を有する場合、前記監視対象のユーザ機器の前記バッファ容量に基づいて、バッファを配置するように構成され、前記バッファは、前記マルチキャストビデオストリーム及び前記再伝送済みのビデオストリームをバッファリングするように構成される、請求項6から9のいずれか一項に記載の装置。
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