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+--- Forum: PinePhone Hardware (https://forum.pine64.org/forumdisplay.php?fid=122)
+--- Thread: PostmarketOS Camera and ffmeg (/showthread.php?tid=16328)
PostmarketOS Camera and ffmeg - rafiki88 - 03-18-2022
Hi,
I'm looking a way to capture picture from rear camera with ffmpeg, I have tried multiple ways to configure camera with media-ctl with no luck
below output from media-ctl -d /dev/media1 --print-topology
Code:
Media device information
------------------------
driver sun6i-csi
model Allwinner Video Capture Device
serial
bus info platform:1cb0000.csi
hw revision 0x0
driver version 5.15.13
Device topology
- entity 1: sun6i-csi (1 pad, 2 links)
type Node subtype V4L flags 0
device node name /dev/video2
pad0: Sink
<- "ov5640 4-004c":0 [ENABLED]
<- "gc2145 4-003c":0 []
- entity 5: ov5640 4-004c (1 pad, 1 link)
type V4L2 subdev subtype Sensor flags 0
device node name /dev/v4l-subdev0
pad0: Source
[fmt:SBGGR8_1X8/1280x720@1/30 colorspace:srgb xfer:srgb ycbcr:601 quantization:full-range]
-> "sun6i-csi":0 [ENABLED]
- entity 7: gc2145 4-003c (1 pad, 1 link)
type V4L2 subdev subtype Sensor flags 0
device node name /dev/v4l-subdev1
pad0: Source
[fmt:SBGGR8_1X8/1280x960@1/60 field:none colorspace:raw]
-> "sun6i-csi":0 []and when I trying to execute ffmpeg -s 1280x720 -f video4linux2 -i /dev/video2 -vframes 1 selfie.jpg got in results error
Code:
ffmpeg version 4.4.1 Copyright (c) 2000-2021 the FFmpeg developers
built with gcc 10.3.1 (Alpine 10.3.1_git20211027) 20211027
configuration: --prefix=/usr --enable-avresample --enable-avfilter --enable-gnutls --enable-gpl --enable-libass --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libx264 --enable-libx265 --enable-libtheora --enable-libv4l2 --enable-libdav1d --enable-postproc --enable-pic --enable-pthreads --enable-shared --enable-libxcb --enable-libsrt --enable-libssh --enable-libvidstab --disable-stripping --disable-static --disable-librtmp --enable-libaom --enable-libopus --enable-libsoxr --enable-libwebp --enable-vaapi --enable-vdpau --enable-vulkan --disable-debug
libavutil 56. 70.100 / 56. 70.100
libavcodec 58.134.100 / 58.134.100
libavformat 58. 76.100 / 58. 76.100
libavdevice 58. 13.100 / 58. 13.100
libavfilter 7.110.100 / 7.110.100
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 9.100 / 5. 9.100
libswresample 3. 9.100 / 3. 9.100
libpostproc 55. 9.100 / 55. 9.100
[video4linux2,v4l2 @ 0xffff9b534670] ioctl(VIDIOC_STREAMON): Broken pipe
/dev/video2: Broken pipeI'm using main version of postmarketos
any ideas?
RE: PostmarketOS Camera and ffmeg - vap0rtranz - 03-19-2022
The megapixels contributor does occasionally mention ffmpeg in his blogs, so maybe looking there or filing an issue on the tracker could point you in the right direction.
Blog: https://blog.brixit.nl/tag/phones/
Tracker: https://gitlab.com/postmarketOS/megapixels