iMX8Quad Gstreamer Interpipe support

ottob — Thu, 14 Oct 2021 00:38:11 GMT

Hi There !

The project I am working in requires dynamic pipelines, like what is shown here - https://developer.ridgerun.com/wiki/index.php?title=NVIDIA_GTC_2020:_How_to_build_a_multi-camera_Media_Server_for_AI_processing_on_Jetson

So far I have not had any luck getting this working for the iMX8QuadMax. As a test I created this pipeline -

gst-launch-1.0 filesrc location=/run/media/sda1/h264_test_stream.ts ! video/mpegts ! tsdemux ! queue ! h264parse ! v4l2h264dec ! interpipesink name=camera0 forward-events=true forward-eos=true sync=false interpipesrc listen-to=camera0 ! imxvideoconvert_g2d ! waylandsink

Which returns an error - gst_inter_pipe_sink_get_caps:<camera0> Failed to obtain an intersection between upstream elements and listeners. I also tried modifying the GTC2020 media server example, see attached. That results in a cap error

** (gstd:1913): CRITICAL **: 00:30:20.490: gst_video_info_from_caps: assertion 'caps != NULL' failed
0:00:09.788343495 1913 0xffffa813a370 WARN waylandsink wlvideoformat.c:145:gst_video_format_to_wl_dmabuf_format: wayland dmabuf video format not found
0:00:09.788443995 1913 0xffffa813a370 WARN videopool gstvideopool.c:215:video_buffer_pool_set_config:<waylandpool0> no caps in config

Looks like the waylandsink is having trouble reading the caps through the interpipe

Has anyone had any luck doing this ? If its currently not supported in the NXP gstreamer plugins, is that something we can pay (NXP) to have implemented ?

Thanks in advance,

/Otto

i.MX ProcessorsのトピックiMX8Quad Gstreamer Interpipe support

iMX8Quad Gstreamer Interpipe support

Re: iMX8Quad Gstreamer Interpipe support