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看了一些例子和教程,几乎没有转码的,晕晕的。mjpeg按帧送给解码器(通过v4l2从摄像头取下来的1080P30fps流),宽高等参数已知,目标只有一个 低延迟 ,还有几个疑问:
之前试过ffmpeg,延迟好几秒,而且我还有一些摄像头的控制(v4l控制我能搞定),是不是只能自己写代码来降低延迟(转码延迟不知道是否可以控制在几十毫秒内)
谢谢
The text was updated successfully, but these errors were encountered:
参考 mpi_rc2_test 编码解码级联的处理
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看了一些例子和教程,几乎没有转码的,晕晕的。mjpeg按帧送给解码器(通过v4l2从摄像头取下来的1080P30fps流),宽高等参数已知,目标只有一个 低延迟 ,还有几个疑问:
2(可选). 如果解码后的图像,既要直接本地显示(HDMI全屏显示),又要编码成H264通过网络发出去(rtp什么的),一般怎么做?需要在显存中拷贝一份给RGA(我理解的零拷贝显示),另一份给encoder?
3(可选). 上面需求1或需求2如果图像需要缩放或旋转,尤其是旋转,又该从哪里入手?
之前试过ffmpeg,延迟好几秒,而且我还有一些摄像头的控制(v4l控制我能搞定),是不是只能自己写代码来降低延迟(转码延迟不知道是否可以控制在几十毫秒内)
谢谢
The text was updated successfully, but these errors were encountered: