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Code stream transmission control method and device

A technology for stream transmission control and control unit, which is applied in image communication, selective content distribution, electrical components, etc., and can solve the problems of code stream versatility and poor fault tolerance

Active Publication Date: 2014-06-11
BEIJING CYBER CLOUD TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a code stream transmission control method and device, which are used to solve the video transmission delay caused by adding too many video frames encoded by current frame information in the prior art, or the common code stream caused by adding too few Problems with poor sex and fault tolerance

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  • Code stream transmission control method and device
  • Code stream transmission control method and device

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Embodiment Construction

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the embodiments of the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0023] figure 2 It is a flowchart of a code stream transmission control method provided by an embodiment of the present invention, and the method is applied to a terminal video decoding device including a decoder, such as a set-top box, a mobile phone, a personal computer, and the like. Please refer to figure 2 , the method includes:

[0024] Step 201: Monitor the running state of the decoder.

[0025] Wherein, the decoder feeds back its running status to the monitoring unit of the terminal video decoding device, or the monitoring unit can obt...

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Abstract

The embodiment of the invention provides code stream transmission control method and device. The method comprises the following steps: the running state of a decoder, sent by terminal video decoding equipment, is received; whether the running state of the decoder meets a first precondition or not is judged, if yes, a message of a current frame is used for coding and sending at the aim of at least one frame to be coded at present, otherwise, the message of the current frame and messages of other frames are used for coding and sending at the aim of each frame to be coded. Through the method and the device which are provided by the invention, a corresponding coding mode can be determined according to the running state of the coder of the terminal video decoding equipment, so as to enable the decoder to return to normal state from errors quickly when the running state of the decoder of the terminal video decoding equipment meets the first precondition, and delay on video transmission caused by excessively adding video frames carrying out coding by using the message of the current frame can not be caused.

Description

technical field [0001] The invention relates to the field of digital television, in particular to a code stream transmission control method and device. Background technique [0002] Existing video encoding standards include MPEG-2, MPEG-4, and H.264, etc., and the encoded video frames include three main types: I, P, and B, where the I frame is an intra-frame coding frame, that is, using the current frame The video frame encoded by information, the P frame and the B frame are encoded by inter-frame encoding, that is, the video frame is encoded by using the information of the current frame and other frames during encoding. [0003] In the current digital TV field, the method of periodically inserting I frames can be used to ensure that the terminal video decoding equipment can randomly access video signals and start decoding and displaying immediately, such as figure 1 As shown, I frames are periodically inserted into P frames. In this encoding method, the I frame adopts the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/234H04N21/238
Inventor 牛长锋韩坚
Owner BEIJING CYBER CLOUD TECH
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