Software-defined video processing system and method
A video processing and software-defined technology, applied in the multimedia field, can solve problems such as the lack of a mature solution for the implementation architecture, and achieve the effects of fast and efficient visual information processing, flexible codec and collection
Active Publication Date: 2019-04-02
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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Problems solved by technology
Although people have proposed the concept of software video technology, there is no mature solution for the specific implementation architecture.
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[0042] In order to make the object, technical solution, design method and advantages of the present invention clearer, the present invention will be further described in detail through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0043] According to one embodiment of the present invention, a video processing system (or software controller) based on software definition is provided, the system can realize the control plane function in the video encoding process, and is used to guide the specific encoding process realized by the data plane , this article will focus on introducing the functions of each module and unit of the processing system, and will not introduce the general coding process of various standards.
[0044] see figure 1 As shown, the system 100 includes a heterogeneous environment percepti...
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The invention provides a software-defined video processing system and method. The system comprises a heterogeneous environment sensing module, a video information preprocessing module and a resource scheduling management module, wherein the heterogeneous environment sensing module is used for obtaining video terminal information of a video terminal; the video information preprocessing module is used for selecting a time delay and / or bandwidth allocation strategy for the video terminal according to the video terminal information and / or channel state information in the video processing process;and the resource scheduling management module is used for determining a decomposition strategy of a video processing task based on the video terminal information and / or the channel state information in the video processing process so as to decompose the video processing task into multiple sub-tasks executed by multiple processing units. The video processing system provided by the invention can separate a control plane and a data plane in the video processing process and provide a more flexible video processing framework so as to meet diversified user requirements.
Description
technical field [0001] The invention relates to the field of multimedia technology, in particular to a video processing system and processing method based on software definition. Background technique [0002] With the development of multimedia communication technology, various video-based applications have developed rapidly, but due to the diversity of user terminals and the heterogeneity of the network, it is necessary for the video server to provide differentiated services. User terminal and network information and can encode and control video information. [0003] However, current video encoders usually use a hybrid encoding framework. By adjusting encoding parameters, such as adjusting quantization parameters to produce different bit rate outputs, adjusting frame rates to produce different temporal resolutions, and if you want to produce SD, UHD, HD For video, multiple encoder structures will be required. Moreover, based on the current video coding architecture, data p...
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Login to View More IPC IPC(8): H04N21/238H04N21/2385H04N21/25H04N21/262H04N21/2662H04N19/436H04N21/466
CPCH04N21/23805H04N21/2385H04N21/251H04N21/26208H04N21/2662H04N21/466H04N19/436
Inventor 纪雯
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI