JP2019122023A - パケット伝送順序を再配列するための映像エンコーディング装置及びその動作方法 - Google Patents
パケット伝送順序を再配列するための映像エンコーディング装置及びその動作方法 Download PDFInfo
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- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
110 エンコーディング部
120 復旧パケット生成部
130 バッファ
140 通信部
150 制御部
200 IPネットワーク
300−1 第1目的地
300−2 第2目的地
300−M 第M目的地
Claims (5)
- ソース映像をエンコーディングしてソースパケットを生成するエンコーディング部と、
目的地別復旧パケットの個数を参照して復旧パケットを生成する復旧パケット生成部と、
目的地別に対応するソースパケットと復旧パケットとをAi、j行列形態に配列し、目的地別全体パケットの個数に基づいて前記Ai、j行列形態に配列されたパケットの伝送順序を調整することで、前記Ai、j行列形態に配列された前記パケットをBk行列形態に再配列する制御部と、
を含み、
前記iは、目的地を示すインデックスであり、前記jは、i番目の目的地に対応するパケットの伝送順序を示すインデックスであり、前記kは、全体目的地の総パケットが1次元に再配列された状態でパケットの伝送順序を示すインデックスである、パケットの伝送順序を再配列するための映像エンコーディング装置。 - 前記制御部は、目的地別全体パケットの個数値に基づいて前記Ai、j行列形態に配列されたパケットそれぞれの伝送順序値を演算し、前記演算された伝送順序値によって、前記Ai、j行列形態に配列されたパケットを前記Bk行列形態に再配列する
ことを特徴とする請求項1に記載の映像エンコーディング装置。 - 前記制御部は、目的地別全体パケットの個数値から最小公倍数を演算し、前記演算された最小公倍数を、前記目的地別全体パケットの個数値でそれぞれ除算することで、目的地別基準値を演算し、前記目的地別基準値に前記パケットのjインデックス値をそれぞれ乗算することで、前記パケットの伝送順序値を演算し、前記パケットの伝送順序値が小さい順に前記Bk行列形態に前記パケットを再配列する
ことを特徴とする請求項2に記載の映像エンコーディング装置。 - 前記ソースパケット及び前記復旧パケットを臨時保存するバッファをさらに含み、
前記制御部は、目的地別パケット損失率に基づいて目的地別復旧パケットの個数を演算し、前記目的地別全体パケットの個数に係る情報を用いて前記バッファの動作を制御する
ことを特徴とする請求項1に記載の映像エンコーディング装置。 - 映像エンコーディング装置がパケットの伝送順序を再配列する方法において、
ソース映像をエンコーディングしてソースパケットを生成する段階と、
目的地別復旧パケットの個数を参照して、復旧パケットを生成する段階と、
目的地別に対応するソースパケット及び復旧パケットをAi、j行列形態に配列する段階と、
目的地別全体パケットの個数に基づいて、前記Ai、j行列形態に配列されたパケットの伝送順序を調整する段階と、
前記Ai、j行列形態に配列された前記パケットをBk行列形態に再配列する段階と、
を含み、
前記iは、目的地を示すインデックスであり、前記jは、i番目の目的地に対応するパケットの伝送順序を示すインデックスであり、前記kは、全体目的地の総パケットが1次元に再配列された状態でパケットの伝送順序を示すインデックスである方法。
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KR10-2017-0181880 | 2017-12-28 | ||
KR1020170181880A KR101870750B1 (ko) | 2017-12-28 | 2017-12-28 | 패킷 전송 순서 재배열을 이용한 영상 인코딩 장치 및 그 동작 방법 |
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JP2019122023A true JP2019122023A (ja) | 2019-07-22 |
JP6643424B2 JP6643424B2 (ja) | 2020-02-12 |
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JP (1) | JP6643424B2 (ja) |
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CN (1) | CN109982083A (ja) |
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KR102145285B1 (ko) * | 2018-12-28 | 2020-08-18 | 오픈스택 주식회사 | 실시간 영상과 고품질 영상을 함께 제공하기 위한 송수신장치 |
CN112311497B (zh) * | 2019-07-29 | 2024-06-18 | 华为技术有限公司 | 一种通信方法和通信设备 |
CN113497669B (zh) * | 2020-03-20 | 2023-07-11 | 华为技术有限公司 | 编码数据包的传输方法、装置、电子设备和存储介质 |
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CN109982083A (zh) | 2019-07-05 |
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