Firefly开源社区

标题: ITX-3588J linux系统下无法使用hdmi_rx通道 [打印本页]

作者: hejinyi 时间: 2022-10-25 11:49
标题: ITX-3588J linux系统下无法使用hdmi_rx通道
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？
tchip_askquestions