Content distribution method, device and system based on code stream self-adaptation technology

A content fragmentation and content technology, which is applied in the field of content distribution methods, devices and systems based on code stream adaptive technology, can solve the problems of long content playback buffer time and poor user experience, so as to improve user experience and reduce interaction. The number of times, the effect of improving the download speed

Active Publication Date: 2014-12-24
HUAWEI TECH CO LTD
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Problems solved by technology

[0008] In the application of HAS technology, the inventor found that the client needs to download the main playlist description file and the playlist description file of the first bit rate content before playing the first bit rate content segment, resulting in a long buffering time for content playback , poor user experience

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  • Content distribution method, device and system based on code stream self-adaptation technology
  • Content distribution method, device and system based on code stream self-adaptation technology

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention

[0024] figure 1 It is a schematic diagram of an application scenario architecture according to an embodiment of the present invention.

[0025] Specifically, as figure 1 As shown, the streaming media system based on the HAS technology includes: a streaming media management system 101 , a content distribution system 102 and a client 103 . The streaming media management system 101 is responsible for digitally encoding, encapsulating, and publis...

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Abstract

The embodiment of the invention provides a content distribution method. The method comprises the steps that a playlist description file obtaining request is sent to a streaming media server, wherein the playlist description file obtaining request comprises compression identification used for indicating whether a client side supports compression transmission or not; a first compressed file which comprises a minimum-code-rate content playlist description file and is returned by the streaming media server according to the compression identification is received; the first compressed file is decompressed, and the minimum-code-rate content playlist description file is obtained; content fragments are obtained from the streaming media server based on the minimum-code-rate content playlist description file. According to the content distribution method, when the streaming media server judges that the client side supports the compression transmission according to the compression identification, the compressed file comprising a main playlist description file and the minimum-code-rate content playlist description file is sent to the client side, the number of interaction times of the client side and the streaming media server at the content buffering stage is reduced, and the downloading speed is increased.

Description

technical field [0001] The present invention relates to the field of content distribution, and in particular, to a content distribution method, device and system based on a code stream adaptive technology. Background technique [0002] With the wide application of mobile terminals, the demand for playing videos through mobile terminals has increased substantially, and the HTTP Adaptive Streaming (HAS) technology has emerged as the times require. HAS technology integrates traditional Real Time Streaming Protocol (RTSP) / Real-time Transport Protocol (RTP) streaming media technology and progressive download based on Hyper Text Transfer Protocol (HTTP) The advantages of the technology are high efficiency, scalability and strong compatibility. [0003] The general idea of ​​HAS technology is to transcode video content into content with multiple bit rates, and then divide the content of each bit rate into slices, and the duration of each slice is the same, about 2-10 seconds. Use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/239H04N21/262H04N21/845H04N21/434
CPCH04N21/239H04N21/262
Inventor 贾记磊黄永菁
Owner HUAWEI TECH CO LTD
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