Qt v4l2 sound issue

[Lolmc0587]

when running the console show ALSA lib pcm.c:8568:(snd_pcm_recover) overrun occurred

[Joshua-Riek]

I'm not really sure what this is, can you please provide a way to reproduce the issue?

[Lolmc0587]

sure. i already made v4l2 working by #307 but when i use the audio configuration is hdmirx. sound output is corrupted with that error i have tried another output sound devices but that still happen.

[Lolmc0587]

how to fix this issue?

[Joshua-Riek]

I know it works with gstreamer, but I have no idea what is needed to fix this on v4l2.

[Lolmc0587]

Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Pipeline is PREROLLED ... Setting pipeline to PLAYING ... New clock: GstSystemClock Redistribute latency... WARNING: from element /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: A lot of buffers are being dropped. Additional debug info: ../libs/gst/base/gstbasesink.c(3143): gst_base_sink_is_too_late (): /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: There may be a timestamping problem, or this computer is too slow. WARNING: from element /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: A lot of buffers are being dropped. Additional debug info: ../libs/gst/base/gstbasesink.c(3143): gst_base_sink_is_too_late (): /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: There may be a timestamping problem, or this computer is too slow. WARNING: from element /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: A lot of buffers are being dropped. Additional debug info: ../libs/gst/base/gstbasesink.c(3143): gst_base_sink_is_too_late (): /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: There may be a timestamping problem, or this computer is too slow. WARNING: from element /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: A lot of buffers are being dropped. Additional debug info: ../libs/gst/base/gstbasesink.c(3143): gst_base_sink_is_too_late (): /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: There may be a timestamping problem, or this computer is too slow. WARNING: from element /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: A lot of buffers are being dropped. Additional debug info: ../libs/gst/base/gstbasesink.c(3143): gst_base_sink_is_too_late (): /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: There may be a timestamping problem, or this computer is too slow. ERROR: from element /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage: Output window was closed Additional debug info: ../sys/xvimage/xvimagesink.c(568): gst_xv_image_sink_handle_xevents (): /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage Execution ended after 0:00:05.860196956 Setting pipeline to NULL ... Freeing pipeline ...

i use this command gst-launch-1.0 v4l2src device=/dev/video0 io-mode=auto do-timestamp=true ! video/x-raw,framerate=60/1 ! videoconvert ! autovideosink

[Lolmc0587]

the hdmirx is really slow