[libcamera-devel] Video recording on PinePhone Re: libcamera on pinephone

[Laurent Pinchart]

On Tue, Jul 05, 2022 at 01:30:43AM +0300, Laurent Pinchart via libcamera-devel wrote:
> On Tue, Jul 05, 2022 at 12:10:38AM +0200, Pavel Machek wrote:
> > Hi!
> > 
> > > > For taking videos... is there possibility to do encoding without
> > > > gstreamer? libcamerasrc does not work for me :-(.
> > > 
> > > I'd like to fix libcamerasrc if it doesn't work on the PinePhone.
> > > There's ongoing work on colorimetry support by Rishikesh as part of his
> > > GSoC (initial patches are on the list) which should help. What are the
> > > other issues ?
> > 
> > It hangs at "requesting buffers" phase. (Yes, I added some debug
> > prints). cam/qcam seems to work ok at the moment.
> > 
> > If you have ideas, that would be welcome.
> > 
> > [14:35:02.518919771] [14750] ERROR V4L2 v4l2_videodevice.cpp:1181
> > /dev/video2[17:cap]: Unable to enumerate frame sizes: Inappropriate
> > ioctl for device
> > [14:35:02.519839224] [14750] ERROR SimplePipeline simple.cpp:1268
> > Searching for device
> 
> I have on particular idea, this needs to be debugged, but I'd recommend
> fixing the above two errors first (or at the very least ensuring they're
> not the culprit).

Hopefully my brain will become functional in the near future again...
There's one issue that can be a likely cause for libcamerasrc not
working on the PinePhone, and it has now been fixed by patches I've just
pushed to the master branch. Could you test that ?

> > 0:00:07.496271506 14749   0x55bdd61000 INFO            libcamerasrc
> > gstlibcamerasrc.cpp:241:gst_libcamera_src_open:<libcamerasrc0> Using
> > camera '/base/i2c-csi/rear-camera at 4c'
> > Pipeline is live and does not need PREROLL ...
> > 0:00:07.497367174 14749   0x55bde3a400 DEBUG           libcamerasrc
> > gstlibcamerasrc.cpp:391:gst_libcamera_src_task_enter:<libcamerasrc0>
> > Streaming thread has started
> > Pipeline is PREROLLED ...
> > Setting pipeline to PLAYING ...
> > New clock: GstSystemClock
> > 0:00:07.499074034 14749   0x55bde3a400 DEBUG           libcamerasrc
> > gstlibcamerasrc.cpp:422:gst_libcamera_src_task_enter:<libcamerasrc0>
> > Srcpad config... 
> > 
> > (gst-launch-1.0:14749): GStreamer-Video-CRITICAL **: 00:08:37.503:
> > gst_video_format_to_string: assertion 'format !=
> > GST_VIDEO_FORMAT_UNKNOWN' failed
> > [14:35:02.525362860] [14751]  INFO Camera camera.cpp:1029 configuring
> > streams: (0) 1280x720-YUYV
> > 0:00:07.536242338 14749   0x55bde3a400 TRACE           libcamerasrc
> > gstlibcamerasrc.cpp:332:gst_libcamera_src_task_run:<libcamerasrc0>
> > Requesting buffers
> > ^Chandling interrupt.

-- 
Regards,

Laurent Pinchart