| 在ITX-3588J上硬件HDMI_RX端口连接笔记本，VGA接口连接屏幕。主板上执行/usr/local/bin/test_hdmirx.sh ，RX信号没有显示到屏幕上，屏幕仍然显示系统界面。执行后log如下： firefly@firefly:~/Desktop$ /usr/local/bin/test_hdmirx.sh Failed to open /dev/video0: No such device VIDIOC_QUERY_DV_TIMINGS: failed: Link has been severed VIDIOC_S_DV_TIMINGS: failed: Numerical result out of range [Ctrl + C] exit Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Setting pipeline to PLAYING ... New clock: GstAudioSrcClock Redistribute latency... Redistribute latency... Setting pipeline to PAUSED ... arm_release_ver of this libmali is 'g6p0-01eac0', rk_so_ver is '5'. Pipeline is live and does not need PREROLL ... Got context from element 'sink': gst.gl.GLDisplay=context, gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayWayland\)\ gldisplaywayland0"; Setting pipeline to PLAYING ... New clock: GstSystemClock ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal data stream error. Additional debug info: gstbasesrc.c(3072): gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: streaming stopped, reason not-negotiated (-4) Execution ended after 0:00:00.008934335 Setting pipeline to PAUSED ... Setting pipeline to READY ... Setting pipeline to NULL ... Freeing pipeline ... 请问是什么原因？ |
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