公开(公告)号：WO2008086367A2

公开(公告)日：2008-07-17

申请号：PCT/US2008/050534

申请日：2008-01-08

Applicant: APPLE INC. ,  FLICK, Christopher, Lance ,  BIDERMAN, David, L. ,  BRODERSEN, Rainer ,  ROBBIN, Jeffrey ,  SEYMOUR, Eric, Taylor ,  MADDEN, Thomas, Michael ,  BIENZ, Tim

Inventor： FLICK, Christopher, Lance ,  BIDERMAN, David, L. ,  BRODERSEN, Rainer ,  ROBBIN, Jeffrey ,  SEYMOUR, Eric, Taylor ,  MADDEN, Thomas, Michael ,  BIENZ, Tim

CPC classification number: H04L65/4092 ,  H04L67/02 ,  H04L67/06 ,  H04N21/23106 ,  H04N21/232 ,  H04N21/4622 ,  H04N21/47202 ,  H04N21/6125 ,  H04N21/6175 ,  H04N21/6587

Abstract: At least a portion of a media file can be downloaded by accessing one or more items of media data associated with a media file stored on a remote server, wherein the media data includes at least one sample table; receiving input from a user identifying a playback location associated with the media file; determining a plurality of data items required to play at least a portion of the media file from the identified playback location based on the at least one sample table; and transmitting one or more byte-range requests to the remote server using the hypertext transfer protocol to retrieve the plurality of data items. Further, the media file can be progressively downloaded from the identified playback location until the end of the media file is reached, playback of the media file is terminated, or input is received from the user identifying a new playback location.

Abstract translation: 可以通过访问与存储在远程服务器上的媒体文件相关联的一个或多个媒体数据项来下载媒体文件的至少一部分，其中媒体数据包括至少一个样本表; 从用户接收识别与所述媒体文件相关联的播放位置的输入; 基于所述至少一个样本表，确定从所识别的播放位置播放所述媒体文件的至少一部分所需的多个数据项; 以及使用所述超文本传输​​协议向所述远程服务器发送一个或多个字节范围请求以检索所述多个数据项。 此外，可以从识别的播放位置逐渐下载媒体文件，直到到达媒体文件的结束，媒体文件的播放被终止，或者从用户接收到识别新的播放位置的输入。

公开(公告)号：WO2015006167A8

公开(公告)日：2015-01-15

申请号：PCT/US2014/045450

申请日：2014-07-03

Applicant: APPLE INC.

Inventor： BIDERMAN, David, L. ,  ZHOU, Xiaosong ,  PRICE, Douglas, Scott ,  SU, Yeping ,  CHUNG, Chris, Y. ,  WU, Hsi-Jung ,  LI, Zhenheng ,  SU, John ,  BATSON, James, D.

IPC: H04N21/4402 ,  H04N21/6587

Abstract: System and methods for improved playback of a video stream are presented. Video snippets are identified that include a number of consecutive frames for playback. Snippets may be evenly temporally spaced in the video stream or may be content adaptive. Then the first frame of a snippet may be selected as the first frame of a scene or other appropriate stopping point. Scene detection, object detection, motion detection, video metadata, or other information generated during encoding or decoding of the video stream may aid in appropriate snippet selection.

公开(公告)号：WO2023064139A1

公开(公告)日：2023-04-20

申请号：PCT/US2022/045705

申请日：2022-10-04

Applicant: APPLE INC.

Inventor： SANTHANAM, Karthick ,  CHIEN, Eric, L. ,  GARRIDO, Christopher, M. ,  HORN, Kyle, W. ,  BAIRD, Ian, J. ,  SUN, Qian ,  BIDERMAN, David, L.

IPC: H04N7/14

Abstract: The subject technology receives, at a local device, a requested camera format based on specifications of a display associated with a remote device. The remote device and the local device are devices participating in a video conference. The requested camera format includes a first resolution. Camera formats supported by a camera associated with the local device are determined. If a second resolution of a first camera format matches among the supported camera formats matches with the first resolution, the first camera format is selected for capturing the video stream by the camera. Otherwise, a second camera format among the supported camera formats is determined for capturing the video stream so as to maximize a field of view of the video stream relative to other camera formats supported by the camera.

公开(公告)号：WO2015183451A1

公开(公告)日：2015-12-03

申请号：PCT/US2015/028047

申请日：2015-04-28

Applicant: APPLE INC.

Inventor： BIDERMAN, David, L. ,  SHOJANIA, Hassan, A. ,  MAY, William, B., Jr. ,  SU, John, Y. ,  PANTOS, Roger, N. ,  SCHNEIDER, Jordan, B.

IPC: H04N21/442 ,  H04N21/61 ,  H04N21/637 ,  H04N21/643 ,  H04N21/845 ,  H04L29/06

CPC classification number: H04L47/6215 ,  H04L65/4084 ,  H04L65/607 ,  H04L65/80 ,  H04L67/02 ,  H04L69/16 ,  H04N21/44209 ,  H04N21/6125 ,  H04N21/637 ,  H04N21/643 ,  H04N21/64322 ,  H04N21/8456

Abstract: An embodiment of a method of requesting a plurality of media streams can include, as performed by a computing device, receiving a control input to control a playback function of at least one of the plurality of media streams, determining a download bandwidth between the computing device and a media source on a network, classifying the at least one of the plurality of media streams based on the control input and total download bandwidth, and sending a plurality of requests for the plurality media streams over a single connection to the media source, wherein at least one of an order or a content of the requests is based on the classification. The sending of the media stream requests can utilize at least one of a server-side protocol for multiplexing media streams over a single connection or one or more of HTTP pipelining or HTTP range requests over a single connection.

Abstract translation: 请求多个媒体流的方法的实施例可以包括如由计算设备执行的接收控制输入以控制多个媒体流中的至少一个媒体流的重放功能，确定计算设备之间的下载带宽 以及网络上的媒体源，基于所述控制输入和总下载带宽对所述多个媒体流中的所述至少一个进行分类，以及通过到所述媒体源的单个连接向所述多个媒体流发送多个请求，其中， 请求的顺序或内容中的至少一个基于分类。 媒体流请求的发送可以利用服务器侧协议中的至少一个来通过单个连接复用媒体流，或者通过单个连接的HTTP流水线或HTTP范围请求中的一个或多个。

公开(公告)号：WO2014158707A1

公开(公告)日：2014-10-02

申请号：PCT/US2014/019431

申请日：2014-02-28

Applicant: APPLE INC.

Inventor： SU, John, Y. ,  BIDERMAN, David, L. ,  PANTOS, Roger, N.

IPC: H04H20/40 ,  H04N21/433 ,  H04N21/845 ,  H04L29/08 ,  H04L29/06

CPC classification number: H04L67/2842 ,  G06F11/1402 ,  H04H20/40 ,  H04L65/4076 ,  H04L65/4084 ,  H04L65/605 ,  H04N21/41407 ,  H04N21/4331 ,  H04N21/6408 ,  H04N21/8456

Abstract: A media delivery service may include a media source, a proxy cache and one or more client devices. The media source may generate coded segments from an input media stream and develop a playlist identifying network locations of the segments. The media source may broadcast the coded segments and their storage locations to a proxy cache in a broadcast channel. The proxy cache may store successfully received coded segments and develop a mapping table identifying the segments' network locations. The client may request segments from the proxy cache based on the received playlist form the media source. If the proxy cache does not store a requested segment, it may so notify the client and the client may request the segment from the media source.

Abstract translation: 媒体传送服务可以包括媒体源，代理缓存和一个或多个客户端设备。 媒体源可以从输入媒体流生成编码片段，并开发识别片段的网络位置的播放列表。 媒体源可以将编码的段及其存储位置广播到广播信道中的代理高速缓存。 代理缓存可以存储成功接收的编码段，并开发识别段的网络位置的映射表。 客户端可以基于从媒体源接收的播放列表从代理缓存请求片段。 如果代理缓存不存储请求的段，则可以通知客户端，并且客户端可以从媒体源请求段。