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1. 发明公开

EP3214820A1 METHOD, PLAYER, AND TERMINAL FOR SELECTING BITSTREAM SEGMENT BASED ON STREAMING MEDIA 审中-公开
标题翻译：用于选择基于流媒体的BITSTREAM分段的方法，播放器和终端
公开(公告)号：EP3214820A1
公开(公告)日：2017-09-06
申请号：EP17150018.4
申请日：2013-07-23
申请人： Huawei Technologies Co., Ltd.
发明人： DI, Peiyun , LIU, Xin , XU, Yangpo
IPC分类号： H04L29/06
CPC分类号： H04L65/4084 , H04L65/80 , H04N21/647 , H04N21/8456
摘要： The present invention discloses a method for selecting a bitstream segment based on streaming media, where the method includes: obtaining segment information of each segment of at least two segments corresponding to a first time in the streaming media, where the segment information includes segment quality; selecting, according to the segment quality of each segment and a preset quality threshold, an initial segment from the at least two segments corresponding to the first time; and if it is determined that downloading of the initial segment does not cause a play exception of a terminal, using the initial segment as a selected bitstream segment. A method for selecting a bitstream segment based on streaming media according to an embodiment of the present invention makes that a finally selected bitstream segment fully uses bandwidth, quality of segments gets closer, and video quality during video playing becomes smoother. Embodiments of the present invention further disclose a player and a terminal for selecting a bitstream segment based on streaming media.
摘要翻译：本发明公开了一种基于流媒体选择比特流片段的方法，该方法包括：获取流媒体中第一时间对应的至少两个片段中各片段的片段信息，该片段信息包括片段质量; 根据每个分片的分片质量和预设的质量阈值，选择与所述第一时间对应的至少两个分片中的初始分片; 并且如果确定初始段的下载不引起终端的播放异常，则使用初始段作为选择的位流段。根据本发明实施例的基于流媒体选择比特流片段的方法使得最终选择的比特流片段充分利用带宽，片段质量更接近，并且视频播放期间的视频质量变得更加平滑。本发明实施例还公开了一种基于流媒体选择码流片段的播放器和终端。

2. 发明公开

EP2938091A1 METHOD AND DEVICE FOR RECEIVING AND SENDING MEDIA FILE AND SYSTEM 失效
标题翻译：方法和设备用于接收和发送媒体文件和系统
公开(公告)号：EP2938091A1
公开(公告)日：2015-10-28
申请号：EP13882840.5
申请日：2013-09-27
申请人： Huawei Technologies Co., Ltd.
发明人： AI, Changquan , LIU, Xin , XU, Yangpo
IPC分类号： H04N21/654
CPC分类号： H04L67/06 , H04L65/4084 , H04L65/602 , H04L65/608 , H04L65/80
摘要： Embodiments of the present invention provide media file receiving and media file sending methods, apparatuses, and systems. A media file receiving method includes: obtaining, by a client, an MPD fragment address of a first MPD fragment from a media presentation description MPD fragment index file according to a start-to-play time point requested by a user; sending, by the client, a first MPD fragment obtaining request including the MPD fragment address of the first MPD fragment to a server; receiving, by the client, the first MPD fragment fed back by the server, and sending a media segment obtaining request to the server according to media description information in the first MPD fragment; and receiving, by the client, a media segment fed back by the server and described by the first MPD fragment. With the media receiving method according to the embodiments of the present invention, an objective of rapidly starting playing a media file can be achieved.
摘要翻译：本发明实施例提供媒体文件接收和媒体文件发送方法，设备和系统。媒体文件接收方法，包括：获得由客户端，以从媒体呈现描述MPD片段INDEXFILEgemäß到由用户请求的开始到播放时间点的第一MPD片段的片段MPD地址; 发送，由客户端，第一MPD片段获取请求包括第一MPD片段到服务器的MPD片段地址; 接收由所述客户机，所述第一MPD片段反馈由所述服务器，并发送一个媒体段获取请求发送到服务器gemäß在第一MPD片段媒体描述信息; 和接收，由客户端，一个媒体段反馈由服务器和由第一MPD片段说明。与接收方法雅丁对本发明的实施例到的快速开始播放的媒体文件的目标介质可被实现。

3. 发明授权

EP2899917B1 Method for synchronous playback by multiple smart devices, and apparatus 有权
公开(公告)号：EP2899917B1
公开(公告)日：2019-06-19
申请号：EP14200505.7
申请日：2014-12-30
申请人： Huawei Technologies Co., Ltd.
发明人： XU, Yangpo , LIU, Xin , DI, Peiyun
IPC分类号： H04L7/08 , H04L29/06 , H04N21/43

4. 发明公开

EP2400692A1 METHOD, TERMINAL DEVICE AND CHANNEL SWITCHING SERVER FOR PROCESSING ABNORMALITY IN CHANNEL SWITCHING 审中-公开
标题翻译： VERFAHREN，ENDGERÄTUND KANALUMSCHALTSERVER ZUM VERARBEITEN VONABNORMITÄTBEIM KANALUMSCHALTEN
公开(公告)号：EP2400692A1
公开(公告)日：2011-12-28
申请号：EP09840633.3
申请日：2009-02-27
申请人： Huawei Technologies Co. Ltd.
发明人： DI, Peiyun , ZOU, Zixuan , LIU, Xin , XU, Yangpo , HU, Changqi
IPC分类号： H04L12/18
CPC分类号： H04L63/1416 , H04N21/2387 , H04N21/26616 , H04N21/4384 , H04N21/44209 , H04N21/482 , H04N21/6581
摘要： A method for processing a channel switching failure case is disclosed. The method for processing a channel switching failure case is used to provide media services for receiver in unicast and multicast modes and includes: detecting whether a data stream is of failure case after sending a channel switching request; and sending a failure case message and/or a failure case processing message to a channel switching server when a failure case occurs so that the channel switching server may process the failure case. A terminal device and channel switching server are provided so that the channel switching server may recover channel switching services provided for receiver and provide correct services for a user.
摘要翻译：公开了一种用于处理信道切换失败情况的方法。用于处理信道切换失败情况的方法用于为单播和组播模式的接收机提供媒体业务，包括：在发送信道切换请求后，检测数据流是否为故障情况; 以及当故障发生时向信道交换服务器发送故障案例消息和/或故障案例处理消息，以便信道交换服务器可以处理故障情况。提供终端设备和信道交换服务器，使得信道交换服务器可以恢复为接收者提供的信道交换服务，并为用户提供正确的服务。

5. 发明授权

EP2938091B1 METHOD AND DEVICE FOR RECEIVING AND SENDING MEDIA FILE AND SYSTEM 失效
标题翻译：用于接收和发送媒体文件和系统的方法和设备
公开(公告)号：EP2938091B1
公开(公告)日：2017-12-27
申请号：EP13882840.5
申请日：2013-09-27
申请人： Huawei Technologies Co., Ltd.
发明人： AI, Changquan , LIU, Xin , XU, Yangpo
IPC分类号： H04N21/654 , H04L29/06
CPC分类号： H04L67/06 , H04L65/4084 , H04L65/602 , H04L65/608 , H04L65/80
摘要： Embodiments of the present invention provide media file receiving and media file sending methods, apparatuses, and systems. A media file receiving method includes: obtaining, by a client, an MPD fragment address of a first MPD fragment from a media presentation description MPD fragment index file according to a start-to-play time point requested by a user; sending, by the client, a first MPD fragment obtaining request including the MPD fragment address of the first MPD fragment to a server; receiving, by the client, the first MPD fragment fed back by the server, and sending a media segment obtaining request to the server according to media description information in the first MPD fragment; and receiving, by the client, a media segment fed back by the server and described by the first MPD fragment. With the media receiving method according to the embodiments of the present invention, an objective of rapidly starting playing a media file can be achieved.

6. 发明公开

EP2939420A1 USING QUALITY INFORMATION FOR ADAPTIVE STREAMING OF MEDIA CONTENT 有权
标题翻译：利用质量信息自适应流媒体内容
公开(公告)号：EP2939420A1
公开(公告)日：2015-11-04
申请号：EP14741032.8
申请日：2014-01-15
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Shaobo , GILADI, Alexander , WANG, Xin , XU, Yangpo , LIU, Xin , DI, Peiyun
IPC分类号： H04N7/173
CPC分类号： H04L65/80 , H04L65/1069 , H04L65/4084 , H04L65/4092 , H04L65/601 , H04L67/02 , H04L67/42
摘要： Different representations are associated with an instance of media content, and a representation can include multiple portions of media content. A respective quality value and bitrate can be associated with each of the portions. Information about the instance of content, including bitrate and quality information, can be accessed by and/or sent to a client. The quality information indicates the availability of measures of quality (e.g., quality values) and where those quality values reside or how they can be retrieved. The client can use quality as well as bitrate to make more intelligent decisions while streaming the content. For example, while the content is being downloaded over a network, the client can adapt to changes in available network bandwidth by selecting one portion of the instance of media content over another based not just on its bitrate but also based on its quality value.
摘要翻译：不同的表示与媒体内容的实例相关联，并且表示可以包括媒体内容的多个部分。相应的质量值和比特率可以与每个部分相关联。有关内容实例的信息（包括比特率和质量信息）可以被客户端访问和/或发送给客户端。质量信息指示质量度量（例如，质量值）的可用性以及这些质量值所在的位置或如何检索质量值。客户端可以使用质量和比特率在流式传输内容时做出更明智的决策。例如，当内容通过网络下载时，客户端可以通过选择媒体内容实例的一部分而不是基于其比特率而基于其质量值来适应可用网络带宽的变化。

7. 发明公开

EP2899917A1 Method for synchronous playback by multiple smart devices, and apparatus 有权
标题翻译：由多个智能设备和装置同步再生的方法
公开(公告)号：EP2899917A1
公开(公告)日：2015-07-29
申请号：EP14200505.7
申请日：2014-12-30
申请人： Huawei Technologies Co., Ltd.
发明人： XU, Yangpo , LIU, Xin , DI, Peiyun
IPC分类号： H04L7/08 , H04L29/06 , H04N21/43
CPC分类号： H04N9/87 , G11B20/10527 , G11B2020/10944 , H04L7/08 , H04L65/40 , H04N5/06 , H04N21/41407 , H04N21/4307 , H04N21/43615
摘要： Embodiments of the present invention provide a method for synchronous playback by multiple smart devices, and an apparatus. A first device acquires frame synchronization information at intervals of a preset time, and sends the frame synchronization information to one or more second devices, where the frame synchronization information is frame information of a frame to be played by the first device or frame information of a frame that the first device starts to play currently; and after learning the frame synchronization information sent by the first device, the second device adjusts frame resources played by itself. Because the multiple smart devices that perform synchronous playback are generally in one local area network, a transmission delay of frame information from the first device to the second device can be ignored, thereby improving a synchronization effect among the multiple smart devices.
摘要翻译：本发明的实施例提供用于同步再现由多个智能设备，并且设备的方法。第一设备在预先设定的时间间隔获取帧同步信息，和帧同步信息发送给一个或多个第二设备，其中，帧同步信息是由一个所述第一设备或帧信息被播放的帧的帧信息框架做的第一件设备目前开始发挥; 和学习由所述第一设备发送的帧同步信息后，bestimmt帧资源第二设备通过自身播放。因为所述多个智能设备做在一个局域网执行同步再现是基因反弹，从第一设备到第二设备的帧信息的传输延迟可以被忽略，从而提高了多个智能设备之间的同步的效果。

8. 发明授权

EP2903219B1 METHOD, PLAYER AND TERMINAL FOR SELECTING CODE STREAM SEGMENTATIONS BASED ON STREAM MEDIA 有权
标题翻译：方法，播放设备及终端SELECTING CODESTREAMSEGMENTATIONEN基于流媒体
公开(公告)号：EP2903219B1
公开(公告)日：2017-04-26
申请号：EP13871204.7
申请日：2013-07-23
申请人： Huawei Technologies Co., Ltd.
发明人： DI, Peiyun , LIU, Xin , XU, Yangpo
IPC分类号： H04L29/06
CPC分类号： H04L65/4084 , H04L65/80 , H04N21/647 , H04N21/8456

9. 发明公开

EP2439947A1 METHOD, SYSTEM AND RELATIVE DEVICES FOR PROCESSING CHANNEL SWITCHING 审中-公开
标题翻译： VERFAHREN，SYSTEM UND ENTSPRECHENDE VORRICHTUNGEN ZUR VERARBEITUNG VON KANALUMSCHALTUNGEN
公开(公告)号：EP2439947A1
公开(公告)日：2012-04-11
申请号：EP10782988.9
申请日：2010-06-04
申请人： Huawei Technologies Co., Ltd.
发明人： XU, Yangpo , LIU, Xin , DI, Peiyun , ZOU, Zixuan , CHEN, Guanghai
IPC分类号： H04N7/173
CPC分类号： H04N21/4384 , H04N7/17318 , H04N21/23424 , H04N21/2401 , H04N21/2402 , H04N21/2405 , H04N21/64322 , H04N21/6581
摘要： A channel switching processing method, system, and related devices are provided. The method includes: receiving, by a switching server, a channel switching request sent by a receiving end; and when the switching server determines that current switching resource information does not meet a switching condition according to the channel switching request, performing, by the switching server, an exception handling procedure, and sending channel switching instruction information to the receiving end, in which the channel switching instruction information is configured to instruct the receiving end to perform a channel switching operation corresponding to the channel switching instruction information. A channel switching processing system and related devices are also provided. Therefore, the channel switching efficiency may be effectively improved.
摘要翻译：提供了一种信道切换处理方法，系统及相关装置。该方法包括：由交换服务器接收由接收端发送的信道切换请求; 并且当切换服务器确定当前切换资源信息不符合根据信道切换请求的切换条件时，由切换服务器执行异常处理过程，并向接收端发送信道切换指令信息，其中，通道切换指示信息被配置为指示接收端执行与频道切换指令信息相对应的频道切换操作。还提供了一种信道切换处理系统及相关装置。因此，可以有效地提高信道切换效率。

10. 发明公开

EP2432175A1 METHOD, DEVICE AND SYSTEM FOR SELF-ADAPTIVELY ADJUSTING DATA TRANSMISSION RATE 有权
标题翻译： VERFAHREN，VORRICHTUNG UND SYSTEM ZUR SELBSTANPASSENDEN EINSTELLUNG DERDATENÜBERTRAGUNGSRATE
公开(公告)号：EP2432175A1
公开(公告)日：2012-03-21
申请号：EP10785739.3
申请日：2010-06-07
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Xin , ZOU, Zixuan , XU, Yangpo , DI, Peiyun
IPC分类号： H04L12/56 , H04L1/00 , H04L29/06
CPC分类号： H04L47/32 , H04L1/0002 , H04L47/10 , H04L47/25 , H04L47/30 , H04L49/90 , H04L65/608 , H04L65/80 , Y02D50/10
摘要： Embodiments of the present invention disclose a method, a device, and a system for self-adaptively adjusting a data transmission rate, which solve the problem of network buffer overflow. The method includes: receiving parameters sent by a client; calculating a predicted value of a data sending rate according to a maximum value of a network buffer and the received parameters; judging whether the predicted value of the data sending rate is less than an original service bit rate; and if the predicted value of the data sending rate is less than the original service bit rate, discarding data of at least one data unit in a send buffer. The method, the device, and the system are mainly applied to adjust the data transmission rate, and especially to adjust the data transmission rate in a time-varying network.
摘要翻译：本发明的实施例公开了一种解决网络缓冲区溢出问题的用于自适应地调整数据传输速率的方法，设备和系统。该方法包括：接收客户端发送的参数; 根据网络缓冲器的最大值和接收到的参数计算数据发送速率的预测值; 判断数据发送速率的预测值是否小于原始服务比特率; 并且如果数据发送速率的预测值小于原始服务比特率，则丢弃发送缓冲器中的至少一个数据单元的数据。主要应用该方法，设备和系统来调整数据传输速率，特别是在时变网络中调整数据传输速率。

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