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桌面抓取

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  • J
    jugg last edited by Apr 27, 2023, 6:52 AM

    Screenshot from 2023-04-27 14-40-47.png
    ximagesrc 抓的是黑的
    rk的有没有硬件支持 能获取到hdmi输出的yuv数据

    G 2 Replies Last reply Apr 27, 2023, 8:29 AM Reply Quote 0
    • G
      george @jugg last edited by Apr 27, 2023, 8:27 AM

      @jugg
      可以参考这个:
      https://gitee.com/andyshrk/drm/blob/master/tests/ovltest/ovltest.c
      或者 drm 下面writeback 的使用方法参考:
      https://patchwork.kernel.org/project/dri-devel/patch/20220812231757.1454-3-quic_rohiiyer@quicinc.com/

      1 Reply Last reply Reply Quote 0
      • G
        george @jugg last edited by Apr 27, 2023, 8:29 AM

        @jugg 还可以参考下图方法直接dump出buffer
        4576f6c9-670c-4d3e-a852-edb90eb4874f-image.png

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