JP2018129782A5 - Video recording device and video reproducing device - Google Patents

Video recording device and video reproducing device Download PDF

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JP2018129782A5
JP2018129782A5 JP2017098366A JP2017098366A JP2018129782A5 JP 2018129782 A5 JP2018129782 A5 JP 2018129782A5 JP 2017098366 A JP2017098366 A JP 2017098366A JP 2017098366 A JP2017098366 A JP 2017098366A JP 2018129782 A5 JP2018129782 A5 JP 2018129782A5
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この発明に係る映像記録装置は、多重化方式にＭＭＴを用いて、映像データの映像ストリームと、少なくとも１つのＭＰＴデータを含むデータストリームとを記録するとともに、前記映像データの第１の映像時刻と、前記第１の映像時刻に対応する、前記データストリーム内のＭＰＴデータの位置とを対応付けて記録することを特徴とする。 A video recording apparatus according to the present invention records a video stream of video data and a data stream including at least one MPT data by using MMT as a multiplexing method, and also records a first video time of the video data. , The position of MPT data in the data stream corresponding to the first video time is recorded in association with each other.

Claims (6)

多重化方式にＭＭＴを用いて、映像データの映像ストリームと、少なくとも１つのＭＰＴデータを含むデータストリームとを記録するとともに、Using MMT as a multiplexing method, a video stream of video data and a data stream including at least one MPT data are recorded, and
前記映像データの第１の映像時刻と、前記第１の映像時刻に対応する、前記データストリーム内のＭＰＴデータの位置とを対応付けて記録することRecording the first video time of the video data and the position of the MPT data in the data stream corresponding to the first video time in association with each other.
を特徴とする映像記録装置。Video recording device characterized by. 前記映像データの第２の映像時刻と、前記第２の映像時刻に対応する前記映像データの開始位置とを対応付けて記憶することStoring a second video time of the video data and a start position of the video data corresponding to the second video time in association with each other.
を特徴とする請求項１に記載の映像記録装置。The video recording device according to claim 1. 前記第１の映像時刻が、前記第２の映像時刻よりも早い場合には、前記ＭＰＴデータの位置は、前記映像データの開始位置よりも前を示していることWhen the first video time is earlier than the second video time, the position of the MPT data indicates before the start position of the video data.
を特徴とする請求項２に記載の映像記録装置。The video recording device according to claim 2, wherein 多重化方式にＭＭＴを用いて、映像データの映像ストリームと、少なくとも１つのＭＰＴデータを含むデータストリームとを記録するとともに、前記映像データの第１の映像時刻と、前記第１の映像時刻に対応する、前記データストリーム内のＭＰＴデータの位置とを対応付けて記録する記録媒体から、再生したい映像時刻に応じて、前記第１の映像時刻に対応する前記ＭＰＴデータを取得し、Using MMT as a multiplexing method, a video stream of video data and a data stream including at least one MPT data are recorded, and the first video time of the video data and the first video time are supported. From the recording medium that records the position of MPT data in the data stream in association with each other, the MPT data corresponding to the first video time is acquired according to the video time to be reproduced,
前記取得されたＭＰＴデータを用いて、前記再生したい映像時刻に応じて、前記映像ストリームにおける前記映像データの再生処理を行うことPerforming reproduction processing of the video data in the video stream according to the video time to be reproduced using the acquired MPT data.
を特徴とする映像再生装置。Video playback device characterized by. 前記記録媒体には、前記映像データの第２の映像時刻と、前記第２の映像時刻に対応する映像データの開始位置とが対応付けて記録されており、A second video time of the video data and a start position of the video data corresponding to the second video time are recorded in the recording medium in association with each other,
前記再生したい映像時刻に応じて、前記記録媒体から前記第１の映像時刻に対応する前記ＭＰＴデータを取得して、Acquiring the MPT data corresponding to the first video time from the recording medium according to the video time to be reproduced,
前記取得されたＭＰＴデータを用いて、前記再生したい映像時刻に応じて、前記第２の映像時刻に対応する開始時刻から前記映像データの再生処理を行うことPerforming a reproduction process of the video data from the start time corresponding to the second video time according to the video time to be reproduced, using the acquired MPT data.
を特徴とする請求項４に記載の映像再生装置。The video reproducing device according to claim 4, wherein 前記再生したい映像時刻よりも前の時刻である前記第１の映像時刻に対応付けられている前記ＭＰＴデータを取得して、前記取得されたＭＰＴデータを用いて、前記記録媒体において、前記取得されたＭＰＴデータよりも後の位置に記録されている前記第２の映像時刻に対応する開始位置から前記映像データの再生を開始することThe MPT data associated with the first video time that is earlier than the video time to be reproduced is acquired, and the acquired MPT data is used to acquire the MPT data in the recording medium. Starting reproduction of the video data from a start position corresponding to the second video time recorded at a position after the MPT data.
を特徴とする請求項５に記載の映像再生装置。The video reproducing apparatus according to claim 5, wherein
JP2017098366A 2016-07-08 2017-05-17 Video recording device and video playback device Active JP6964436B2 (en)

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JP2016135667 2016-07-08
JP2016135667 2016-07-08
JP2017020039 2017-02-07
JP2017020039 2017-02-07

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WO2018135258A1 (en) * 2017-01-17 2018-07-26 ソニー株式会社 Information processing device, information recording medium, information processing method, and program
JP7070433B2 (en) * 2017-01-17 2022-05-18 ソニーグループ株式会社 Information processing equipment, information recording media, information processing methods, and programs

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