Systems, methods, and computer program products for scalable video coding based on coefficient sampling

    公开(公告)号:US10516898B2

    公开(公告)日:2019-12-24

    申请号:US15961677

    申请日:2018-04-24

    Abstract: Methods, systems, and computer program products for the generation of multiple layers of scaled encoded video data compatible with the HEVC standard. Residue from prediction processing may be transformed into coefficients in the frequency domain. The coefficients may then be sampled to create a layer of encoded data. The coefficients may be sampled in different ways to create multiple respective layers. The layers may then be multiplexed and sent to a decoder. There, one or more of the layers may be chosen. The choice of certain layer(s) may be dependent on the desired attributes of the resulting video. A certain level of video quality, frame rate, resolution, and/or bit depth may be desired, for example. The coefficients in the chosen layers may then be assembled to create a version of the residue to be used in video decoding.

    CONFIGURABLE BUFFER ALLOCATION FOR MULTI-FORMAT VIDEO PROCESSING
    10.
    发明申请
    CONFIGURABLE BUFFER ALLOCATION FOR MULTI-FORMAT VIDEO PROCESSING 审中-公开
    用于多格式视频处理的可配置缓冲区分配

    公开(公告)号:US20150288977A1

    公开(公告)日:2015-10-08

    申请号:US14691350

    申请日:2015-04-20

    CPC classification number: H04N19/40 G06F5/10 G06F13/1673 H04N19/426 H04N19/44

    Abstract: Systems and methods are described including dynamically configuring a shared buffer to support processing of at least two video read streams associated with different video codec formats. The methods may include determining a buffer write address within the shared buffer in response to a memory request associated with one read stream, and determining a different buffer write address within the shared buffer in response to a memory request associated with the other read stream.

    Abstract translation: 描述了系统和方法,包括动态配置共享缓冲器以支持与不同视频编解码器格式相关联的至少两个视频读取流的处理。 方法可以包括:响应于与一个读取流相关联的存储器请求,确定共享缓冲器内的缓冲器写入地址,以及响应于与另一个读取流相关联的存储器请求,在共享缓冲器内确定不同的缓冲器写入地址。

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