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公开(公告)号：US09591054B2
公开(公告)日：2017-03-07
申请号：US14316096
申请日：2014-06-26
IPC分类号： G06F15/16 , H04L29/08 , H04L29/06 , H04N21/61 , H04N21/6405 , H04N21/845
CPC分类号： H04L67/02 , H04L65/105 , H04L65/4076 , H04L65/4084 , H04L67/1074 , H04N21/6125 , H04N21/6405 , H04N21/8456
摘要： Multiprotocol multicast streaming proxy techniques are described. In one or more implementations, a response is sent by a proxy service for receipt by a client device responsive to receipt of a request from the client device to obtain streaming data from a service provider via a network. The response indicates how the client device is to access a multicast of the streaming data from the proxy service and a single dedicated stream of the streaming data. Responsive to receipt of a request from the client device to receive the multicast, the streaming data is obtained by the proxy service via a single dedicated stream from the service provider and multicast for receipt by at least the client device.
摘要翻译： 描述了多协议多播流代理技术。 在一个或多个实现中，响应于从客户端设备接收到来自服务提供商的经由网络的流数据的响应，由代理服务发送响应以供客户端设备接收。 响应指示客户端设备如何从代理服务访问流式数据的多播以及流式传输数据的单个专用流。 响应于从客户端设备接收到接收多播的请求，流式传输数据由代理服务经由来自服务提供商的单个专用流获得并且多播以供至少由客户端设备接收。
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公开(公告)号：US20150195256A1
公开(公告)日：2015-07-09
申请号：US14657236
申请日：2015-03-13
IPC分类号： H04L29/06
CPC分类号： H04L63/0428 , H04L9/08 , H04L9/0819 , H04L63/045 , H04L63/061 , H04L63/168 , H04L2209/603 , H04L2463/101
摘要： A key delivery mechanism that delivers keys to an OS platform (e.g., iOS platform) devices for decrypting encrypted HTTP live streaming data. An HTTPS URL for a stateless HTTPS service is included in the manifest for an encrypted HTTP live stream obtained by an application (e.g., a browser) on an OS platform device. The URL includes an encrypted key, for example as a query parameter value. The application passes the manifest to the OS. The OS contacts the HTTPS service to obtain the key using the URL indicated in the manifest. Since the encrypted key is a parameter of the URL, the encrypted key is provided to the HTTPS service along with information identifying the content. The HTTPS service decrypts the encrypted key and returns the decrypted key to the OS over HTTPS, thus eliminating the need for a database lookup at the HTTPS service.
摘要翻译： 将键传送到操作系统平台（例如iOS平台）设备的密钥交付机制，用于解密加密的HTTP实时流数据。 用于无状态HTTPS服务的HTTPS URL包含在由OS平台设备上的应用程序（例如浏览器）获取的加密的HTTP实况流中。 URL包括加密密钥，例如作为查询参数值。 应用程序将清单传递给操作系统。 操作系统联系HTTPS服务以使用清单中指示的URL来获取密钥。 由于加密密钥是URL的参数，因此加密密钥与标识内容的信息一起提供给HTTPS服务。 HTTPS服务解密加密密钥，并通过HTTPS将解密的密钥返回给OS，从而无需在HTTPS服务中进行数据库查找。
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公开(公告)号：US09930014B2
公开(公告)日：2018-03-27
申请号：US14657236
申请日：2015-03-13
CPC分类号： H04L63/0428 , H04L9/08 , H04L9/0819 , H04L63/045 , H04L63/061 , H04L63/168 , H04L2209/603 , H04L2463/101
摘要： A key delivery mechanism that delivers keys to an OS platform (e.g., iOS platform) devices for decrypting encrypted HTTP live streaming data. An HTTPS URL for a stateless HTTPS service is included in the manifest for an encrypted HTTP live stream obtained by an application (e.g., a browser) on an OS platform device. The URL includes an encrypted key, for example as a query parameter value. The application passes the manifest to the OS. The OS contacts the HTTPS service to obtain the key using the URL indicated in the manifest. Since the encrypted key is a parameter of the URL, the encrypted key is provided to the HTTPS service along with information identifying the content. The HTTPS service decrypts the encrypted key and returns the decrypted key to the OS over HTTPS, thus eliminating the need for a database lookup at the HTTPS service.
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公开(公告)号：US09532114B2
公开(公告)日：2016-12-27
申请号：US14972849
申请日：2015-12-17
IPC分类号： H04N21/845 , H04N21/647 , G11B27/10 , H04N21/2183 , H04N21/242 , H04N21/43 , H04N21/45 , H04N21/854
CPC分类号： H04N21/8456 , G11B27/10 , H04N21/2183 , H04N21/242 , H04N21/4302 , H04N21/4532 , H04N21/64738 , H04N21/64761 , H04N21/64784 , H04N21/85406
摘要： Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, are described for establishing a grouping rule and a mapping protocol at a cache server system for caching fragments of a media stream that includes a timed-sequence of video frames. The fragments can be generated and identified at media source systems in accordance with a fragmenting format and an indexing protocol, respectively, which are common across the media source systems. Further, the established mapping protocol can be different from the indexing protocol. The methods include retrieving at least a portion of the fragments of the media stream by the cache server system from the media source systems. The methods also include allocating the retrieved fragments to local fragment groups at the cache server system based on the established grouping rule. The methods further include mapping the allocated fragments to the local fragment groups based on the established mapping protocol.
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公开(公告)号：US20160105732A1
公开(公告)日：2016-04-14
申请号：US14972849
申请日：2015-12-17
IPC分类号： H04N21/845 , H04N21/2183 , H04N21/854 , H04N21/45 , H04N21/242 , H04N21/43 , H04N21/647 , G11B27/10
CPC分类号： H04N21/8456 , G11B27/10 , H04N21/2183 , H04N21/242 , H04N21/4302 , H04N21/4532 , H04N21/64738 , H04N21/64761 , H04N21/64784 , H04N21/85406
摘要： Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, are described for establishing a grouping rule and a mapping protocol at a cache server system for caching fragments of a media stream that includes a timed-sequence of video frames. The fragments can be generated and identified at media source systems in accordance with a fragmenting format and an indexing protocol, respectively, which are common across the media source systems. Further, the established mapping protocol can be different from the indexing protocol. The methods include retrieving at least a portion of the fragments of the media stream by the cache server system from the media source systems. The methods also include allocating the retrieved fragments to local fragment groups at the cache server system based on the established grouping rule. The methods further include mapping the allocated fragments to the local fragment groups based on the established mapping protocol.
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公开(公告)号：US20150381680A1
公开(公告)日：2015-12-31
申请号：US14316096
申请日：2014-06-26
CPC分类号： H04L67/02 , H04L65/105 , H04L65/4076 , H04L65/4084 , H04L67/1074 , H04N21/6125 , H04N21/6405 , H04N21/8456
摘要： Multiprotocol multicast streaming proxy techniques are described. In one or more implementations, a response is sent by a proxy service for receipt by a client device responsive to receipt of a request from the client device to obtain streaming data from a service provider via a network. The response indicates how the client device is to access a multicast of the streaming data from the proxy service and a single dedicated stream of the streaming data. Responsive to receipt of a request from the client device to receive the multicast, the streaming data is obtained by the proxy service via a single dedicated stream from the service provider and multicast for receipt by at least the client device.
摘要翻译： 描述了多协议多播流代理技术。 在一个或多个实现中，响应于从客户端设备接收到来自服务提供商的经由网络的流数据的响应，由代理服务发送响应以供客户端设备接收。 响应指示客户端设备如何从代理服务访问流式数据的多播以及流式传输数据的单个专用流。 响应于从客户端设备接收到接收多播的请求，流式传输数据由代理服务经由来自服务提供商的单个专用流获得并且多播以供至少由客户端设备接收。
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