公开(公告)号：US20180262549A1

公开(公告)日：2018-09-13

申请号：US15975671

申请日：2018-05-09

Applicant: Futurewei Technologies, Inc.

Inventor： Alexander Giladi

IPC: H04L29/06 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/2362 ,  H04N21/61 ,  H04N21/845

CPC classification number: H04L65/602 ,  H04N21/23439 ,  H04N21/23611 ,  H04N21/2362 ,  H04N21/6125 ,  H04N21/8456

Abstract: A method of media streaming implemented by a network device, the method comprising encapsulating a message box into one or more packets in a segment, and sending the segment directly or indirectly to a streaming client.

公开(公告)号：US20170180138A1

公开(公告)日：2017-06-22

申请号：US15452834

申请日：2017-03-08

Applicant: Futurewei Technologies, Inc.

Inventor： Alexander Giladi ,  Xin Wang ,  Shaobo Zhang ,  Yongliang Liu

IPC: H04L9/32 ,  H04L29/06

CPC classification number: H04L9/3247 ,  H04L63/0428 ,  H04L63/08 ,  H04L63/123 ,  H04L65/4084 ,  H04L65/60

Abstract: System and method embodiments are provided for segment integrity and authenticity for adaptive streaming. In an embodiment, the method includes receiving at a data processing system a segment of a media stream, determining, with the data processing system, a digest or a digital signature for the segment, and comparing, with the data processing system, the digest/digital signature to a correct digest or a correct digital signature to determine whether the segment has been modified.

公开(公告)号：US09635004B2

公开(公告)日：2017-04-25

申请号：US13870890

申请日：2013-04-25

Applicant: FutureWei Technologies, Inc.

Inventor： Alexander Giladi ,  Xin Wang ,  Shaobo Zhang ,  Yongliang Liu

IPC: G06F17/30 ,  G06F7/04 ,  G06F15/16 ,  H04L29/06

CPC classification number: H04L9/3247 ,  H04L63/0428 ,  H04L63/08 ,  H04L63/123 ,  H04L65/4084 ,  H04L65/60

Abstract: System and method embodiments are provided for segment integrity and authenticity for adaptive streaming. In an embodiment, the method includes receiving at a data processing system a segment of a media stream, determining, with the data processing system, a digest or a digital signature for the segment, and comparing, with the data processing system, the digest/digital signature to a correct digest or a correct digital signature to determine whether the segment has been modified.

公开(公告)号：US20160344706A1

公开(公告)日：2016-11-24

申请号：US15231161

申请日：2016-08-08

Applicant: Futurewei Technologies, Inc.

Inventor： Alexander Giladi

IPC: H04L29/06 ,  H04L9/08

CPC classification number: H04L63/0428 ,  H04L9/083 ,  H04L63/168

Abstract: An apparatus comprising a memory, a processor coupled to the memory and configured to obtain a Dynamic Adaptive Streaming over Hypertext Transfer Protocol (HTTP) (DASH) Media Presentation Description (MPD) from an HTTP server, wherein the MPD describes a media presentation as at least one encrypted segment, and wherein the encrypted segment is associated with an availability time and a decryption key, and pre-fetch the decryption key associated with the encrypted segment by requesting the decryption key from a key server prior to the availability time of the encrypted segment.

Abstract translation: 一种装置，包括存储器，处理器，其耦合到所述存储器并且被配置为从HTTP服务器获得超文本传输​​协议（HTTP）（DASH）媒体呈现描述（MPD）的动态自适应流，其中所述MPD描述如 至少一个加密段，并且其中所述加密段与可用时间和解密密钥相关联，并且在加密的可用时间之前通过从密钥服务器请求解密密钥来预取与加密段相关联的解密密钥 分割。

公开(公告)号：US20150381692A1

公开(公告)日：2015-12-31

申请号：US14843704

申请日：2015-09-02

Applicant: Futurewei Technologies, Inc.

Inventor： Alexander Giladi ,  Xin Wang

IPC: H04L29/06 ,  H04L29/08

CPC classification number: H04L65/601 ,  H04L65/00 ,  H04L65/4084 ,  H04L65/60 ,  H04L65/602 ,  H04L65/604 ,  H04L65/607 ,  H04L65/608 ,  H04L67/02 ,  H04L67/108 ,  H04L67/303 ,  H04L67/306 ,  H04N21/23439 ,  H04N21/2393 ,  H04N21/26258 ,  H04N21/4355 ,  H04N21/4402 ,  H04N21/6377 ,  H04N21/647 ,  H04N21/6543 ,  H04N21/812 ,  H04N21/8456

Abstract: An apparatus comprises a receiver configured to receive a request for an adaptive streaming media presentation description (MPD), a processor coupled to the receiver and configured to generate the MPD, wherein the MPD indicates an event, and wherein the event is time-related auxiliary information, and a transmitter coupled to the processor and configured to transmit the MPD. A method comprises receiving a request for an adaptive streaming media presentation description (MPD), generating the MPD, wherein the MPD indicates an event, and wherein the event is time-related auxiliary information, and transmitting the MPD. An apparatus comprises a processor configured to generate a request for an adaptive streaming media presentation description (MPD), a transmitter coupled to the processor and configured to transmit the request, and a receiver coupled to the processor and configured to receive the MPD, wherein the MPD indicates an event, and wherein the event is time-related auxiliary information.

Abstract translation: 一种装置包括：接收器，被配置为接收对自适应流媒体呈现描述（MPD）的请求，耦合到接收器并被配置为生成MPD的处理器，其中MPD指示事件，并且其中事件是时间相关辅助 信息和耦合到所述处理器并被配置为发送所述MPD的发射器。 一种方法包括接收对自适应流媒体呈现描述（MPD）的请求，产生MPD，其中MPD指示事件，并且其中该事件是时间相关的辅助信息，并且发送MPD。 一种装置包括：处理器，被配置为产生对自适应流媒体呈现描述（MPD）的请求，耦合到处理器并被配置为发送请求的发射机，以及耦合到处理器并被配置为接收MPD的接收机，其中， MPD表示事件，并且其中事件是时间相关的辅助信息。

公开(公告)号：US09015477B2

公开(公告)日：2015-04-21

申请号：US13857907

申请日：2013-04-05

Applicant: FutureWei Technologies, Inc.

Inventor： Alexander Giladi

IPC: H04L29/06 ,  G06F21/00 ,  H04L9/32 ,  H04L29/08 ,  H04N21/262 ,  H04N21/462 ,  H04N21/482 ,  H04N21/84

CPC classification number: H04L9/32 ,  H04L63/0428 ,  H04L65/4084 ,  H04L65/607 ,  H04L65/608 ,  H04L67/02 ,  H04N21/262 ,  H04N21/26283 ,  H04N21/462 ,  H04N21/482 ,  H04N21/6332 ,  H04N21/64322 ,  H04N21/6581 ,  H04N21/812 ,  H04N21/814 ,  H04N21/84 ,  H04N21/8456 ,  H04N21/85406

Abstract: System and method embodiments are provided for asynchronous event notification and message handling in dynamic adaptive streaming over hypertext transfer protocol (DASH). The embodiments includes sending in a segment file, from a network server to a client, a message box that is configurable for encryption, for scheduling a callback from the client, and with one or more arguments according to a messaging scheme of the message box. The network server further sends a message handling descriptor to the client for reloading a media presentation description (MPD) for obtaining a DASH event. The client then configures a universal resource locator (URL) for the MPD using the message box and the message handling descriptor, and sends the URL back to the network server. After receiving the URL, the network server sends the MPD to the client, which then uses the MPD to request segments of an asynchronous event.

Abstract translation: 提供了用于超文本传输​​协议（DASH）的动态自适应流中的异步事件通知和消息处理的系统和方法实施例。 这些实施例包括将分段文件从网络服务器发送到客户端，可配置用于加密的消息框，用于根据消息框的消息传送方案来调用来自客户机的回调，以及一个或多个参数。 网络服务器还向客户端发送消息处理描述符，以重新加载用于获得DASH事件的媒体呈现描述（MPD）。 客户端然后使用消息框和消息处理描述符配置MPD的通用资源定位符（URL），并将URL发送回网络服务器。 收到URL后，网络服务器将MPD发送给客户端，然后使用MPD请求异步事件的段。

公开(公告)号：US20140310518A1

公开(公告)日：2014-10-16

申请号：US14248074

申请日：2014-04-08

Applicant: Futurewei Technologies, Inc.

Inventor： Alexander Giladi

IPC: G06F21/62

CPC classification number: G06F21/606 ,  H04L63/0428 ,  H04L65/4084 ,  H04L65/608 ,  H04L67/02 ,  H04N21/2347 ,  H04N21/4405 ,  H04N21/63345 ,  H04N21/64322 ,  H04N21/84 ,  H04N21/8456

Abstract: A method comprising encrypting a segment in response to receiving a segment request to generate an encrypted segment, and sending the encrypted segment, wherein encrypting the segment comprises encrypting a data content segment and a non-media segment in accordance with information provided in a dynamic adaptive streaming over hypertext transfer protocol (HTTP) (DASH) media presentation description (MPD), and wherein encrypting the segment generates an encrypted data content segment and an encrypted non-media segment. A method comprising sending a segment request, receiving an encrypted segment, wherein the encrypted segment comprises an encrypted data content segment and an encrypted non-media segment, and decrypting the encrypted segment in accordance with information provided in a DASH MPD to generate a data content segment and a non-media segment, wherein the non-media segment comprises a non-playable media.

Abstract translation: 一种方法，包括响应于接收到段请求来生成加密段并且发送加密段，加密段，其中加密段包括根据动态自适应中提供的信息来加密数据内容段和非媒体段 流过超文本传输​​协议（HTTP）（DASH）媒体呈现描述（MPD），并且其中加密段生成加密的数据内容段和加密的非媒体段。 一种方法，包括发送段请求，接收加密段，其中所述加密段包括加密数据内容段和加密的非媒体段，并且根据DASH MPD中提供的信息解密加密段，以生成数据内容 段和非媒体段，其中所述非媒体段包括不可播放的媒体。

公开(公告)号：US20140075042A1

公开(公告)日：2014-03-13

申请号：US14020227

申请日：2013-09-06

Applicant: FutureWei Technologies, Inc.

Inventor： Alexander Giladi

IPC: H04L29/06

CPC classification number: H04L65/607 ,  H04L65/4084 ,  H04L65/605

Abstract: Embodiments are provided for segment demarcation and identification in adaptive streaming by enabling marking chunks according to multiple standards simultaneously. An encoder boundary point (EBP) structure is used to indicate a plurality of partitions corresponding to a plurality of representations for a same content. A partition is a set of continuous chunks within a media stream of a defined length according to a corresponding standard. The EBP structure includes a bit-mask that is set to indicate one or more partitions in the stream. The EBP structure can indicate a boundary point for more than two partitions allowing a stream to be partitioned in several ways according to different standards. Additionally, a program map table (PMT) descriptor is used to describe each partition, providing information to process each partition. The PMT descriptor includes a packet identifier (PID) value for packets containing EBP structures.

Abstract translation: 通过同时实现多个标准的标记块，为自适应流中的段划分和识别提供了实施例。 编码器边界点（EBP）结构用于指示对应于相同内容的多个表示的多个分区。 分区是根据相应的标准在一定长度的媒体流内的一组连续块。 EBP结构包括设置为指示流中的一个或多个分区的位掩码。 EBP结构可以指示多于两个分区的边界点，允许根据不同标准以多种方式对流进行分区。 另外，程序映射表（PMT）描述符用于描述每个分区，提供处理每个分区的信息。 PMT描述符包括包含EBP结构的分组的分组标识符（PID）值。

公开(公告)号：US20130291082A1

公开(公告)日：2013-10-31

申请号：US13870890

申请日：2013-04-25

Applicant: FUTUREWEI TECHNOLOGIES, INC.

Inventor： Alexander Giladi ,  Xin Wang ,  Shaobo Zhang ,  Yongliang Liu

IPC: H04L29/06

CPC classification number: H04L9/3247 ,  H04L63/0428 ,  H04L63/08 ,  H04L63/123 ,  H04L65/4084 ,  H04L65/60

Abstract: System and method embodiments are provided for segment integrity and authenticity for adaptive streaming. In an embodiment, the method includes receiving at a data processing system a segment of a media stream, determining, with the data processing system, a digest or a digital signature for the segment, and comparing, with the data processing system, the digest/digital signature to a correct digest or a correct digital signature to determine whether the segment has been modified.

Abstract translation: 系统和方法实施例被提供用于自适应流的段完整性和真实性。 在一个实施例中，该方法包括在数据处理系统处接收媒体流的片段，使用数据处理系统确定片段的摘要或数字签名，并将数据处理系统与摘要/ 数字签名到正确的摘要或正确的数字签名，以确定该段是否已被修改。

公开(公告)号：US20130268761A1

公开(公告)日：2013-10-10

申请号：US13857907

申请日：2013-04-05

Applicant: FUTUREWEI TECHNOLOGIES, INC.

Inventor： Alexander Giladi

IPC: H04L9/32

CPC classification number: H04L9/32 ,  H04L63/0428 ,  H04L65/4084 ,  H04L65/607 ,  H04L65/608 ,  H04L67/02 ,  H04N21/262 ,  H04N21/26283 ,  H04N21/462 ,  H04N21/482 ,  H04N21/6332 ,  H04N21/64322 ,  H04N21/6581 ,  H04N21/812 ,  H04N21/814 ,  H04N21/84 ,  H04N21/8456 ,  H04N21/85406

Abstract: System and method embodiments are provided for asynchronous event notification and message handling in dynamic adaptive streaming over hypertext transfer protocol (DASH). The embodiments includes sending in a segment file, from a network server to a client, a message box that is configurable for encryption, for scheduling a callback from the client, and with one or more arguments according to a messaging scheme of the message box. The network server further sends a message handling descriptor to the client for reloading a media presentation description (MPD) for obtaining a DASH event. The client then configures a universal resource locator (URL) for the MPD using the message box and the message handling descriptor, and sends the URL back to the network server. After receiving the URL, the network server sends the MPD to the client, which then uses the MPD to request segments of an asynchronous event.

Abstract translation: 提供了用于超文本传输​​协议（DASH）的动态自适应流中的异步事件通知和消息处理的系统和方法实施例。 这些实施例包括将分段文件从网络服务器发送到客户端，可配置用于加密的消息框，用于根据消息框的消息传送方案来调用来自客户机的回调，以及一个或多个参数。 网络服务器还向客户端发送消息处理描述符，以重新加载用于获得DASH事件的媒体呈现描述（MPD）。 客户端然后使用消息框和消息处理描述符配置MPD的通用资源定位符（URL），并将URL发送回网络服务器。 收到URL后，网络服务器将MPD发送给客户端，然后使用MPD请求异步事件的段。