JP7426432B2 - 外部ストリーム表現プロパティ - Google Patents
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Description
パリ条約に基づく適用可能な特許法及び/又は規則の下、本出願は、2021年4月28日に出願された米国仮特許出願第63/180,834号の優先権及び利益を適時に主張する。法の下にあるすべての目的のために、前述の出願の開示全体は、参照によって本出願の開示の一部として組み込まれる。
本特許文書は、ファイル形式のデジタルオーディオビデオメディア情報の生成、保存及び消費に関する。
Claims (11)
- ビデオデータを処理するための方法であって、
DASH(Dynamic Adaptive Streaming over Hypertext Transfer Protocol)表現のエッセンシャルプロパティ(EssentialProperty)を決定するステップであって、前記EssentialPropertyは、前記表現が外部ストリーム表現(ESR)であることを示す、ステップと、
前記ESRに基づいて、ビジュアルメディアデータとメディアデータファイルとの間の変換を実行するステップと、
を含む、方法。 - 前記EssentialPropertyは、前記表現が、それ自身によって消費又は再生されてはならないことを更に示す、
請求項1に記載の方法。 - DASHアダプテーションセットのEssentialPropertyを決定するステップを更に含み、前記EssentialPropertyは、前記アダプテーションセット内の各表現がESRであることを示す、
請求項1に記載の方法。 - 前記EssentialPropertyは、「urn:mpeg:dash:adaptation-set-external-stream:202X」のスキーム識別子ユニフォームリソース識別子(@schemeIdUri)を含み、ここでXは数字である、
請求項1に記載の方法。 - 前記EssentialPropertyは、メインストリーミング表現の識別子(@id)値のリストを指定する値(@value属性)を有する、
請求項3に記載の方法。 - DASHアダプテーションセットの外部ストリームアダプテーションセットフラグ(@esasflag)属性を決定するステップを更に含み、前記@esasflag属性は、ESRである前記アダプテーションセット内の各表現を指定するように真に等しい、
請求項1に記載の方法。 - 役割要素が前記アダプテーションセットに含まれ、前記役割要素は、前記@esasflag属性が真に等しいときに、補助に等しい値(@value)属性を含む、
請求項6に記載の方法。 - 前記変換は、前記ビジュアルメディアデータを前記メディアデータファイルにエンコーディングすることを含む、
請求項1乃至7のいずれか一項に記載の方法。 - 前記変換は、前記ビジュアルメディアデータを前記メディアデータファイルからデコーディングすることを含む、
請求項1乃至7のいずれか一項に記載の方法。 - ビデオデータを処理するための装置であって、
プロセッサと、
命令を有する非一時的メモリと、を備え、前記命令は、前記プロセッサによって実行されると、前記プロセッサに、
DASH(Dynamic Adaptive Streaming over Hypertext Transfer Protocol)表現のエッセンシャルプロパティ(EssentialProperty)を決定させ、前記EssentialPropertyは、前記表現が外部ストリーム表現(ESR)であることを示し、
前記ESRに基づいて、ビジュアルメディアデータとメディアデータファイルとの間の変換を実行させる、
装置。 - ビデオコーディングデバイスによる使用のためのコンピュータプログラム製品を含む非一時的コンピュータ読取可能媒体であって、前記コンピュータプログラム製品は、プロセッサによって実行されると、前記ビデオコーディングデバイスに、
DASH(Dynamic Adaptive Streaming over Hypertext Transfer Protocol)表現のエッセンシャルプロパティ(EssentialProperty)を決定させ、前記EssentialPropertyは、前記表現が外部ストリーム表現(ESR)であることを示し、
前記ESRに基づいて、ビジュアルメディアデータとメディアデータファイルとの間の変換を実行させる、
ように、当該非一時的コンピュータ読取可能媒体の上に記憶されるコンピュータ実行可能命令を含む、
非一時的コンピュータ読取可能媒体。
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WO2023081826A1 (en) * | 2021-11-05 | 2023-05-11 | Bytedance Inc. | Method, apparatus, and medium for media processing |
KR20230094695A (ko) * | 2021-12-21 | 2023-06-28 | 한국전자통신연구원 | 멀티뷰 스트림을 위한 적응적 스트리밍 처리 방법 및 장치 |
WO2024006289A1 (en) * | 2022-06-28 | 2024-01-04 | Bytedance Inc. | Edrap support in isobmff for all media types |
WO2024006291A1 (en) * | 2022-06-29 | 2024-01-04 | Bytedance, Inc. | Edrap in dash based on ari track |
Citations (5)
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WO2015008775A1 (ja) | 2013-07-19 | 2015-01-22 | ソニー株式会社 | 情報処理装置および方法 |
US20160219301A1 (en) | 2014-06-18 | 2016-07-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Dependent random access point pictures |
JP2018512771A (ja) | 2015-03-04 | 2018-05-17 | クアルコム,インコーポレイテッド | Lctに基づくdashフォーマットを有するファイルフォーマットベースのストリーミング |
WO2018173875A1 (ja) | 2017-03-24 | 2018-09-27 | ソニー株式会社 | 情報処理装置および情報処理方法、並びにプログラム |
JP2022056418A (ja) | 2020-09-29 | 2022-04-08 | レモン インコーポレイテッド | ビデオストリームにおける従属ランダムアクセスポイント指示 |
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EP4084489A1 (en) | 2022-11-02 |
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