公开(公告)号：US09413806B2

公开(公告)日：2016-08-09

申请号：US14042651

申请日：2013-09-30

Applicant: Broadcom Corporation

Inventor： Yong Li ,  Xuemin Chen ,  Alexander Garland Macinnis ,  Brian Francis Schoner

IPC: G06F15/173 ,  H04L29/08 ,  G06Q30/02 ,  H04L29/06 ,  H04N21/2225 ,  H04N21/2343 ,  H04N21/24 ,  H04N21/61 ,  H04N21/845

CPC classification number: H04L67/02 ,  G06Q30/0242 ,  H04L65/4084 ,  H04L65/601 ,  H04L65/602 ,  H04N21/2225 ,  H04N21/23439 ,  H04N21/2402 ,  H04N21/6125 ,  H04N21/8456

Abstract: A device and method for providing an adaptive bit rate (ABR) proxy is disclosed. An ABR proxy determines an optimal data format to receive content segments for an audio/video (AV) content item from a source ABR server, and generates, based on that format and/or current network conditions, one or more local AV representations for providing content segments for the AV content item to locally connected devices. A local client device selects a local AV representation, and the ABR proxy provides the content segments for the AV content item to the local device in accordance with the selected local AV representation.

Abstract translation: 公开了一种用于提供自适应比特率（ABR）代理的设备和方法。 ABR代理确定从源ABR服务器接收音频/视频（AV）内容项的内容片段的最佳数据格式，并且基于该格式和/或当前网络条件生成一个或多个本地AV表示，用于提供 AV内容项到本地连接设备的内容片段。 本地客户端设备选择本地AV表示，并且ABR代理根据所选择的本地AV表示向AV设备提供用于AV内容项目的内容片段到本地设备。

公开(公告)号：US20140351385A1

公开(公告)日：2014-11-27

申请号：US14042651

申请日：2013-09-30

Applicant: Broadcom Corporation

Inventor： Yong Li ,  Xuemin Chen ,  Alexander Garland Macinnis ,  Brian Francis Schoner

IPC: H04L29/08

CPC classification number: H04L67/02 ,  G06Q30/0242 ,  H04L65/4084 ,  H04L65/601 ,  H04L65/602 ,  H04N21/2225 ,  H04N21/23439 ,  H04N21/2402 ,  H04N21/6125 ,  H04N21/8456

Abstract: A device and method for providing an adaptive bit rate (ABR) proxy is disclosed. An ABR proxy determines an optimal data format to receive content segments for an audio/video (AV) content item from a source ABR server, and generates, based on that format and/or current network conditions, one or more local AV representations for providing content segments for the AV content item to locally connected devices. A local client device selects a local AV representation, and the ABR proxy provides the content segments for the AV content item to the local device in accordance with the selected local AV representation.

Abstract translation: 公开了一种用于提供自适应比特率（ABR）代理的设备和方法。 ABR代理确定从源ABR服务器接收音频/视频（AV）内容项的内容片段的最佳数据格式，并且基于该格式和/或当前网络条件生成一个或多个本地AV表示，用于提供 AV内容项到本地连接设备的内容片段。 本地客户端设备选择本地AV表示，并且ABR代理根据所选择的本地AV表示向AV设备提供用于AV内容项目的内容片段到本地设备。

公开(公告)号：US09319753B2

公开(公告)日：2016-04-19

申请号：US13958477

申请日：2013-08-02

Applicant: BROADCOM CORPORATION

Inventor： Hongtao Zhu ,  Alexander Garland Macinnis

IPC: H04N21/242 ,  H04N21/6587 ,  H04N19/40 ,  H04N21/2187 ,  H04N21/2343 ,  H04N21/2387 ,  H04N21/845 ,  H04N21/854

CPC classification number: H04N21/6587 ,  H04N19/40 ,  H04N21/2187 ,  H04N21/234336 ,  H04N21/23439 ,  H04N21/2387 ,  H04N21/242 ,  H04N21/8456 ,  H04N21/85406

Abstract: A method for performing trick-mode operations with decreased latency for transcode streaming includes receiving and recording a stream of video data. A single transcoder may transcode the stream of video data and generate output video data in an output buffer following. Segmentation index information may be generated that refers to the output data in the output buffer. Skip-backwards, skip-ahead, and resume requests received from a client device are responded by retrieving transcoded video data from the output buffer or retrieving and transcoding video data from an input storage. A method for performing skip-ahead trick-mode operation with decreased latency may use two transcoders such as two threads of the single transcoder to transcode temporally current content and forward content. The forward content may be associated with a forward time offset with respect to the temporally current content. The transcoded forward content is provided in response to skip-ahead trick mode request.

Abstract translation: 用于以降低的代码转换流程执行特技模式操作的方法包括接收和记录视频数据流。 单个代码转换器可对视频数据流进行代码转换，并在输出缓冲器之后生成输出视频数据。 可以生成指向输出缓冲器中的输出数据的分段索引信息。 通过从输出缓冲器检索经转码的视频数据或从输入存储器检索和代码转换视频数据来响应从客户端设备接收到的向后，向前，跳过和恢复请求。 用于以降低的等待时间进行跳过特技模式操作的方法可以使用诸如单个代码转换器的两个线程的两个代码转码器对时间上当前的内容进行转码并转发内容。 前向内容可以与相对于时间上的当前内容的前向时间偏移相关联。 响应于跳过提示特技模式请求提供经转码的前向内容。

公开(公告)号：US20140359155A1

公开(公告)日：2014-12-04

申请号：US14029745

申请日：2013-09-17

Applicant: Broadcom Corporation

Inventor： Wade Keith WAN ,  Rajesh Shankarrao Mamidwar ,  Brian Allen Heng ,  Alexander Garland Macinnis ,  Hongtao Zhu

IPC: H04L29/06

CPC classification number: H04L65/4076 ,  H04L65/605 ,  H04L65/607 ,  H04N21/222 ,  H04N21/234336 ,  H04N21/23439 ,  H04N21/4302 ,  H04N21/43615 ,  H04N21/44016 ,  H04N21/8456

Abstract: Systems and methods for transmitting content using segment-based and non-segment-based streams are provided. In some aspects, a method includes identifying at least one segment-based stream of content. Each segment-based stream is associated with a respective first bit rate and includes one or more segments of the content. The method also includes identifying at least one non-segment-based stream of the content. Each non-segment-based stream is associated with a second bit rate and includes a continuous stream of the content. The method also includes enabling switching between use of i) the at least one segment-based stream and ii) the at least one non-segment-based stream to continuously transmit the content to one or more client devices.

Abstract translation: 提供了使用基于段和非段的流来发送内容的系统和方法。 在一些方面，一种方法包括识别至少一个基于片段的内容流。 每个基于段的流与相应的第一比特率相关联并且包括内容的一个或多个段。 该方法还包括识别内容的至少一个基于非段的流。 每个非基于段的流与第二比特率相关联，并且包括内容的连续流。 该方法还包括在使用i）至少一个基于段的流和ii）至少一个非基于段的流之间进行切换，以将内容连续发送到一个或多个客户端设备。

公开(公告)号：US20140337903A1

公开(公告)日：2014-11-13

申请号：US13958477

申请日：2013-08-02

Applicant: BROADCOM CORPORATION

Inventor： Hongtao Zhu ,  Alexander Garland Macinnis

IPC: H04N21/235 ,  H04N21/6587 ,  H04N19/40

CPC classification number: H04N21/6587 ,  H04N19/40 ,  H04N21/2187 ,  H04N21/234336 ,  H04N21/23439 ,  H04N21/2387 ,  H04N21/242 ,  H04N21/8456 ,  H04N21/85406

Abstract: A method for performing trick-mode operations with decreased latency for transcode streaming includes receiving and recording a stream of video data. A single transcoder may transcode the stream of video data and generate output video data in an output buffer following. Segmentation index information may be generated that refers to the output data in the output buffer. Skip-backwards, skip-ahead, and resume requests received from a client device are responded by retrieving transcoded video data from the output buffer or retrieving and transcoding video data from an input storage. A method for performing skip-ahead trick-mode operation with decreased latency may use two transcoders such as two threads of the single transcoder to transcode temporally current content and forward content. The forward content may be associated with a forward time offset with respect to the temporally current content. The transcoded forward content is provided in response to skip-ahead trick mode request.

Abstract translation: 用于以降低的代码转换流程执行特技模式操作的方法包括接收和记录视频数据流。 单个代码转换器可对视频数据流进行代码转换，并在输出缓冲器之后生成输出视频数据。 可以生成指向输出缓冲器中的输出数据的分段索引信息。 通过从输出缓冲器检索经转码的视频数据或从输入存储器检索和代码转换视频数据来响应从客户端设备接收到的向后，向前，跳过和恢复请求。 用于以降低的延迟执行跳过特技模式操作的方法可以使用诸如单个代码转换器的两个线程的两个代码转码器对时间上当前的内容进行转码并转发内容。 前向内容可以与相对于时间上的当前内容的前向时间偏移相关联。 响应于跳过提示特技模式请求提供经转码的前向内容。