Network on-demand service providing method and system based on real-time transcoding
A technology for network on-demand and on-demand services, applied in image communication, selective content distribution, electrical components, etc., can solve problems such as huge storage pressure, and achieve the effect of reducing storage space, saving storage space, and reducing the occupation of transcoding resources
Active Publication Date: 2015-09-23
国广东方网络(北京)有限公司
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Problems solved by technology
Although this strategy solves the problem of network bandwidth, as time accumulates, more and more files with different bit rates are stored on the edge on-demand server, which will also bring huge pressure on storage.
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[0063] The above-mentioned on-demand service processing module and its submodules are located on any on-demand server in each group. At this time, the above-mentioned network on-demand service system based on real-time transcoding is as follows: image 3 As shown, the system includes: a client 301, an on-demand server 302 and a transcoding server 303, and the on-demand server in the dashed box in the figure belongs to a group (this group includes N on-demand servers and M transcoders, and N and M are greater than or equal to 1). The client 301 is responsible for detecting the available bandwidth between itself and the on-demand server, requesting and presenting on-demand content. The on-demand server 302 provides the client with an appropriate bit rate on-demand service. If other on-demand servers in this group have an appropriate bit rate, the client will be notified to migrate the on-demand service. If there is no appropriate bit rate in the group, transcoding will be invok...
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The invention discloses a network on-demand service providing method and system based on real-time transcoding. The method comprises: a step 101) grouping all on-demand servers according to the positions of the on-demand servers, wherein each group includes a plurality of on-demand servers and at least one transcoding server, the on-demand servers are used for providing on-demand service to clients end, and the transcoding server is used for finishing video transcoding; and a step 102) adopting one group of on-demand servers to provide the network on-demand service to the client ends. According to the basic principle, a client requests the on-demand sever for on-demand service, and the on-demand server firstly searches whether the on-demand server has a suitable code rate when receiving the on-demand request; if yes, the on-demand service is directly provided to the client end, and if not, whether other on-demand server in the group has the suitable code rate is queried; and if yes, the request is transferred to other on-demand server, and if not, the transcoding server is informed of transcoding.
Description
technical field [0001] The invention relates to the technical field of Internet video-on-demand, in particular to a method and system for providing network-on-demand services based on real-time transcoding. Background technique [0002] In view of the rapid increase in the number of users in the "three-screen integration" market environment, the demand for high-quality video covers all types of terminals from wired to wireless, and the on-demand service system needs to provide a variety of video streams for different terminals and receiving conditions. In order to solve the problem of multi-screen on-demand, the existing technology usually pre-transcodes video files in the center, provides several bit rate levels, and pre-caches them locally on the on-demand server. When the on-demand server receives user requests, it will find the appropriate code. rate to provide services to users. The cost of encoding, storage, and transmission in this pre-transcoding method is too high,...
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IPC IPC(8): H04N21/2343H04N21/262H04N21/63
Inventor 宫玉国付强彭璿韬
Owner 国广东方网络(北京)有限公司