Method, set-top box and media server of control terminal buffer media stream data
A media server and control terminal technology, applied in image communication, selective content distribution, electrical components, etc., can solve problems such as poor user experience, user freezing, jumping, etc., and achieve the effect of improving the playback effect and user experience
Inactive Publication Date: 2012-07-04
HUAWEI TECH CO LTD
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Problems solved by technology
If the media server data is sent slowly, that is, the set-top box consumes media stream data faster than the media server sends it, the set-top box needs to wait for the media data, causing the screen to stop, and the user will feel stuck. If the media server sends data quickly, That is, the speed at which the set-top box consumes media stream data is lower than the speed at which the media server sends it, and the set-top box will discard the received media stream data after its buffer is full, resulting in mosaics and jumps on the screen, resulting in poor user experience
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0015] First, several concepts involved in the embodiments of the present invention are introduced.
[0016] Fixed bit rate: That is, the size of audio and video data per unit time is basically unchanged, which is suitable for transmission on the network. The disadvantage is that the quality of the encoded content is unstable, because some pictures change drastically, and it is necessary to reduce the resolution and other means to achieve it. Exceeds the set bit ra...
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The embodiment of the invention discloses a method, a set-top box and a media server of control terminal buffer media stream data. The method comprises the following steps: receiving media stream data issued by the media server; parsing the media stream data; obtaining and recording a broadcast moment corresponding to each data packet; obtaining a broadcast time length of the buffer area media stream data according to the broadcast moment; judging whether the buffer area media stream data is overflowed or underflowed according to the broadcast time length; when the buffer area media stream data is overflowed or underflowed, informing the media server to adjust the speed of transmission. According to the embodiment of the invention, the terminal can judge that whether the buffer area media stream data is overflowed according to the broadcast time length of the buffer area media stream data, thereby informing the media server to rapidly issue or slowly issue the media stream data, such that the terminal buffer media stream data is kept in matching and balance with the media stream data consumed by the terminal at real time, therefore the broadcast effect of media content is improved and the user experience is enhanced.
Description
technical field [0001] The invention relates to the field of interactive network television, in particular to a method for controlling a terminal to buffer media stream data, a set-top box and a media server. Background technique [0002] In an Internet Protocol Television (IPTV) system, a real-time stream control protocol is usually used to transmit media streams between the set-top box and the media server. The most common protocol is the Real-Time Streaming Protocol (RTSP). In the RTSP protocol, after a playback request is sent from the set-top box to the server, the media server will continuously deliver the media stream data to the set-top box. If the media server data is sent slowly, that is, the set-top box consumes media stream data faster than the media server sends it, the set-top box needs to wait for the media data, causing the screen to stop, and the user will feel stuck. If the media server sends data quickly, That is, the speed at which the set-top box consum...
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IPC IPC(8): H04N21/438H04N21/2387
Inventor 兑继英
Owner HUAWEI TECH CO LTD