JP6425720B2 - コンテンツ配信のための方法及び装置 - Google Patents
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Description
Claims (9)
- クライアントデバイスによるコンテンツを受信する方法であって、
マルチメディア多重化転送プロトコル(multimedia multiplexing transport protocol:MMTP)パケットを受信するステップと、
前記MMTPパケットを動的適応型ハイパーテキスト転送プロトコル(HTTP)ストリーミング(DASH)セグメントで再構成するステップと、
前記DASHセグメント及び前記DASHセグメントの関連するURL(uniform resource locator)をセグメントバッファに格納するステップと、を含み、
前記関連するURLに含まれるURLは、前記セグメントバッファでDASHセグメントを探索するためのインデックスとして用いられ、
前記関連するURLは、メディアプロセシングユニット(media processing unit:MPU)モードが用いられる場合、mmpuボックス(box)から発見されることを特徴とするコンテンツ受信方法。 - 前記関連するURLは、包括的ファイル配信(GFD;generic file delivery)モードが用いられる場合、包括的ファイル配信テーブル(GFDT)から発見されることを特徴とする請求項1に記載のコンテンツ受信方法。
- 前記セグメントバッファは、一つ以上の再現(representation)を含み、前記一つ以上の再現は、それぞれ、異なるデータレート、異なるビデオ品質のレベル、異なるロバスト性(robustness)のうち少なくとも一つを含むことを特徴とする請求項1に記載のコンテンツ受信方法。
- 前記セグメントバッファで所望の品質レベルのDASHセグメントが発見されない場合、次の低いレベルの品質を有するDASHセグメントを前記セグメントバッファで発見するステップをさらに含むことを特徴とする請求項1に記載のコンテンツ受信方法。
- クライアントデバイスであって、
マルチメディア多重化転送プロトコル(multimedia multiplexing transport protocol:MMTP)パケットを受信する受信器と、
前記MMTPパケットを動的適応型ハイパーテキスト転送プロトコル(HTTP)ストリーミング(DASH)セグメントで再構成するプロセッサと、
前記DASHセグメント及び前記DASHセグメントの関連するURL(uniform resource locator)を格納するセグメントバッファと、を含み、
前記関連するURLに含まれるURLは、前記セグメントバッファでDASHセグメントを探索するためのインデックスとして用いられ、
前記関連するURLは、メディアプロセシングユニット(media processing unit:MPU)モードが用いられる場合、mmpuボックス(box)から発見されることを特徴とするクライアントデバイス。 - 前記関連するURLは、包括的ファイル配信(GFD;generic file delivery)モードが用いられる場合、包括的ファイル配信テーブル(GFDT)から発見されることを特徴とする請求項5に記載のクライアントデバイス。
- 前記セグメントバッファは、一つ以上の再現(representation)を含み、前記一つ以上の再現は、それぞれ、異なるデータレート、異なるビデオ品質のレベル、異なるロバスト性(robustness)のうち少なくとも一つを含むことを特徴とする請求項5に記載のクライアントデバイス。
- 前記プロセッサは、前記セグメントバッファで所望の品質レベルのDASHセグメントが発見されない場合、次の低いレベルの品質を有するDASHセグメントを前記セグメントバッファで発見するステップをさらに含むことを特徴とする請求項5に記載のクライアントデバイス。
- 請求項1乃至請求項4のうちのいずれか一項に記載の方法をコンピュータで実行させるための命令語を含む非一時的なコンピュータ読み取り可能な媒体。
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PCT/KR2014/009422 WO2015053530A1 (en) | 2013-10-07 | 2014-10-07 | Method and apparatus for content delivery |
Publications (2)
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JP2016538754A JP2016538754A (ja) | 2016-12-08 |
JP6425720B2 true JP6425720B2 (ja) | 2018-11-21 |
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JP2016521361A Active JP6425720B2 (ja) | 2013-10-07 | 2014-10-07 | コンテンツ配信のための方法及び装置 |
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US (1) | US9807452B2 (ja) |
EP (1) | EP3056014B1 (ja) |
JP (1) | JP6425720B2 (ja) |
KR (1) | KR102228062B1 (ja) |
CN (1) | CN105830451B (ja) |
WO (1) | WO2015053530A1 (ja) |
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CN105830451B (zh) | 2019-07-26 |
US9807452B2 (en) | 2017-10-31 |
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