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    SOLVED 如何修改D_init_camera_ex 获取出的视频大小以及fps

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    • L
      luchec last edited by

      3571621955074_.pic_hd.jpg 3581621955074_.pic_hd.jpg

      想问一下,这个videofmt默认是19201080的,咱都不做,我计算了一下,大概在树莓派上是16帧左右,后来改成640320,帧率就达到30了,但是显示出来的只有一小块图,请问如何能在相机init_camera输出的时侯就设置好小一点,然后提高帧率呢?一放大帧率就下降,放小就看不完整。

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      • veye_xumm
        veye_xumm @luchec last edited by

        @luchec
        请问使用的摄像机型号是?

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          luchec @veye_xumm last edited by

          @veye_xumm VEYE-MIPI-327E
          af559ac90afa512ba3f829b002bb9d3.jpg

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          • veye_xumm
            veye_xumm @luchec last edited by

            @luchec 这个型号只有1080p一个分辨率。帧率也只有25和30两种。另外就是D_capture这个接口,实际是从码流中取出一帧,整个逻辑要初始化接收通道,取出一帧,关闭。那么启动此函数的时刻正在传输的那一帧是会丢了的。
            你可以用D_start_video_stream函数来注册回调,然后每一帧都会收到回调。帧率就可以上来了。当然,你要处理的够快。

            CS-MIPI-IMX307支持多种分辨率,包括720p@60 (crop也就是裁剪模式)

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              luchec @veye_xumm last edited by

              @veye_xumm 好的我试试

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                luchec @veye_xumm last edited by

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