<div dir="auto"><div><br><div class="gmail_extra"><br><div class="gmail_quote">Le 1 févr. 2018 11:11, "pavelm" <<a href="mailto:pavel.mikhadzionak@gmail.com">pavel.mikhadzionak@gmail.com</a>> a écrit :<br type="attribution"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I tried to capture 4k video from Inogeni via gstreamer and it's not working:<br>
<br>
    gst-launch-1.0 v4l2src device=/dev/video0 !<br>
"video/x-raw,width=3840,<wbr>height=2160,format=I420" ! fakesink<br></blockquote></div></div></div><div dir="auto"><br></div><div dir="auto">Do you have the UVC kernel fix for the stride in NV12 and I420 ?</div><div dir="auto"><br></div><div dir="auto"><a href="https://patchwork.linuxtv.org/patch/45357/">https://patchwork.linuxtv.org/patch/45357/</a><br></div><div dir="auto"><br></div><div dir="auto"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
With GST_DEBUG="*:3" I see errors:<br>
<br>
    ubuntu@tegra-ubuntu:~$ gst-launch-1.0 v4l2src device=/dev/video0 !<br>
"video/x-raw,width=3840,<wbr>height=2160,format=I420" ! fakesink<br>
    Setting pipeline to PAUSED ...<br>
    Pipeline is live and does not need PREROLL ...<br>
    Setting pipeline to PLAYING ...<br>
    New clock: GstSystemClock<br>
    0:00:00.276135808 18119       0x60f320 WARN          v4l2bufferpool<br>
gstv4l2bufferpool.c:1196:gst_<wbr>v4l2_buffer_pool_dqbuf:<<wbr>v4l2src0:pool:src><br>
Driver should never set v4l2_buffer.field to ANY<br>
    0:00:00.276210433 18119       0x60f320 WARN          v4l2bufferpool<br>
gstv4l2bufferpool.c:1958:gst_<wbr>v4l2_buffer_pool_process:<<wbr>v4l2src0:pool:src><br>
Dropping corrupted buffer without payload<br>
    0:00:00.276253730 18119       0x60f320 WARN          v4l2bufferpool<br>
gstv4l2bufferpool.c:1958:gst_<wbr>v4l2_buffer_pool_process:<<wbr>v4l2src0:pool:src><br>
Dropping corrupted buffer without payload<br>
    0:00:00.328871196 18119       0x60f320 ERROR                default<br>
video-frame.c:161:gst_video_<wbr>frame_map_id: failed to map video frame plane 1<br>
    0:00:00.328947998 18119       0x60f320 ERROR         v4l2bufferpool<br>
gstv4l2bufferpool.c:161:gst_<wbr>v4l2_buffer_pool_copy_buffer:<<wbr>v4l2src0:pool:src><br>
could not map buffer<br>
    0:00:00.328976798 18119       0x60f320 ERROR         v4l2bufferpool<br>
gstv4l2bufferpool.c:1953:gst_<wbr>v4l2_buffer_pool_process:<<wbr>v4l2src0:pool:src><br>
failed to copy buffer<br>
    0:00:00.329004031 18119       0x60f320 WARN                 basesrc<br>
gstbasesrc.c:2939:gst_base_<wbr>src_loop:<v4l2src0> error: Internal data stream<br>
error.<br>
    0:00:00.329015263 18119       0x60f320 WARN                 basesrc<br>
gstbasesrc.c:2939:gst_base_<wbr>src_loop:<v4l2src0> error: streaming stopped,<br>
reason error (-5)<br>
    ERROR: from element /GstPipeline:pipeline0/<wbr>GstV4l2Src:v4l2src0: Internal<br>
data stream error.<br>
    Additional debug info:<br>
    gstbasesrc.c(2939): gst_base_src_loop ():<br>
/GstPipeline:pipeline0/<wbr>GstV4l2Src:v4l2src0:<br>
    streaming stopped, reason error (-5)<br>
    Execution ended after 0:00:00.186888513<br>
    Setting pipeline to PAUSED ...<br>
    Setting pipeline to READY ...<br>
    Setting pipeline to NULL ...<br>
    Freeing pipeline ...<br>
<br>
<br>
<br>
<br>
<br>
--<br>
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</blockquote></div><br></div></div></div>