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Fast video stream startup

專利號(hào)
US11659213B2
公開(kāi)日期
2023-05-23
申請(qǐng)人
VIACOM INTERNATIONAL INC.(US NY New York)
發(fā)明人
Spencer Shanson; Matt Tretin; Ivan Zubok; Pavlo Kalmykov; Edwin Rodriguez
IPC分類
H04N21/234; H04N21/2187; H04N21/262; H04N21/81
技術(shù)領(lǐng)域
dcio,subclip,streaming,stream,video,multimedia,user,playlist,service,vod
地域: NY NY New York

摘要

The exemplary embodiments relate to devices, systems and methods for a streaming service to provide fast video stream startup at a user device. The streaming service may determine that a video stream for on-demand content is to be provided to the user device and is to include multiple subclips corresponding to the on-demand content and a dynamic content insertion opportunity (DCIO). A first set of multimedia data is transmitted to the user device that corresponds to a first subclip of the on-demand content. When a predetermined condition corresponding to the DCIO is satisfied, a second set of multimedia data is transmitted to the user device that includes multimedia data corresponding to at least the multiple subclips.

說(shuō)明書(shū)

There may be scenarios in which the streaming service 220 may want to allow the user to start the VOD stream from a point that is not the beginning of the stream. For instance, the user may have previously watched a portion of the VOD content. The streaming service 220 may want to allow the user to resume a VOD stream from its last played position. In this type of scenario, the first event playlist may exclude any preceding DCIO. For example, if the user previously watched the selected VOD content up until a point configured to occur during subclip 150, the streaming service 220 may configure the first event playlist to correspond to the entirety of subclip 140 and a portion of subclip 150 while excluding the DCIO 110. In another example, if the user previously watched the selected VOD content up until a point configured to occur during subclip 156, the streaming service 220 may configure the first event playlist to correspond to the entirety of subclip 140, the entirety of subclip 150 and a portion of subclip 160 while excluding the DCIOs 110, 120. Excluding the DCIOs in this type of scenario ensure fast video stream startup (at the resume point) without impeding the use of transport controls.

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