Nikolaus, some comments about pixel format/resolution below: On 06/26/2017 10:39 AM, Pavel Machek wrote: > On Mon 2017-06-26 08:05:04, H. Nikolaus Schaller wrote: >> Hi Pavel, >> >>> Am 25.06.2017 um 11:18 schrieb Pavel Machek <pavel@xxxxxx>: >>> >>> Hi! >>> >>>> * unfortunately we still get no image :( >>>> >>>> The latter is likely a setup issue of our camera interface (OMAP3 ISP = Image Signal Processor) which >>>> we were not yet able to solve. Oscilloscoping signals on the interface indicated that signals and >>>> sync are correct. But we do not know since mplayer only shows a green screen. >>> >>> What mplayer command line do you use? How did you set up the pipeline >>> with media-ctl? >>> >>> On kernel.org, I have tree called camera-fw5-6 , where camera works >>> for me on n900. On gitlab, there's modifed fcam-dev, which can be used >>> for testing. >> >> We did have yet another (non-DT) camera driver and media-ctl working in with 3.12.37, >> but had no success yet to update it to work with modern kernels or drivers. It >> is either that the (newer) drivers missing something or the media-ctl has changed. >> >> Here is the log of our scripts with Hugues' driver and our latest setup: >> >> root@letux:~# ./camera-demo sxga >> DISPLAY=:0 >> XAUTHORITY=tcp >> Camera: /dev/v4l-subdev8 >> Setting mode sxga >> media-ctl -r >> media-ctl -l '"ov965x":0 -> "OMAP3 ISP CCDC":0[1]' >> media-ctl -l '"OMAP3 ISP CCDC":1 -> "OMAP3 ISP CCDC output":0[1]' >> media-ctl -V '"ov965x":0 [UYVY2X8 1280x1024]' >> media-ctl -V '"OMAP3 ISP CCDC":0 [UYVY2X8 1280x1024]' >> media-ctl -V '"OMAP3 ISP CCDC":1 [UYVY 1280x1024]' > > Ok, so you are using capture, not preview. > > You may want to try this one: > > commit 0eae9d2a8f096f703cbc8f9a0ab155cd3cc14cef > Author: Pavel <pavel@xxxxxx> > Date: Mon Feb 13 21:26:51 2017 +0100 > > omap3isp: fix VP2SDR bit so capture (not preview) works > > This is neccessary for capture (not preview) to work properly on > N900. Why is unknown. > > Pavel > >> ### starting mplayer in sxga mode ### >> mplayer tv:// -vf rotate=2 -tv driver=v4l2:device=/dev/video2:outfmt=uyvy:width=1280:height=1024:fps=15 -vo x11 => "outfmt=uyvy:width=1280:height=1024" Nikolaus, Be careful that only VGA/RGB565 is coded in this basic version of OV9655, perhaps this explain partly your troubles ? >> MPlayer2 2.0-728-g2c378c7-4+b1 (C) 2000-2012 MPlayer Team >> >> Playing tv://. >> Detected file format: TV >> Selected driver: v4l2 >> name: Video 4 Linux 2 input >> author: Martin Olschewski <olschewski@xxxxxxxxxxxxxxxx> >> comment: first try, more to come ;-) >> v4l2: ioctl get standard failed: Invalid argument >> Selected device: OMAP3 ISP CCDC output >> Capabilities: video capture video output streaming >> supported norms: >> inputs: 0 = camera; >> Current input: 0 >> Current format: unknown (0x0) >> tv.c: norm_from_string(pal): Bogus norm parameter, setting default. >> v4l2: ioctl enum norm failed: Inappropriate ioctl for device >> Error: Cannot set norm! >> Selected input hasn't got a tuner! >> v4l2: ioctl set mute failed: Inappropriate ioctl for device >> v4l2: ioctl query control failed: Inappropriate ioctl for device >> v4l2: ioctl query control failed: Inappropriate ioctl for device >> v4l2: ioctl query control failed: Inappropriate ioctl for device >> v4l2: ioctl query control failed: Inappropriate ioctl for device >> v4l2: ioctl streamon failed: Broken pipe >> [ass] auto-open >> Opening video filter: [rotate=2] >> VIDEO: 1280x1024 15.000 fps 0.0 kbps ( 0.0 kB/s) >> Could not find matching colorspace - retrying with -vf scale... >> Opening video filter: [scale] >> [swscaler @ 0xb5ca9980]using unscaled uyvy422 -> yuv420p special converter >> VO: [x11] 1024x1280 => 1024x1280 Planar YV12 >> [swscaler @ 0xb5ca9980]No accelerated colorspace conversion found from yuv420p to bgra. >> Colorspace details not fully supported by selected vo. >> Selected video codec: RAW UYVY [raw] >> Audio: no sound >> Starting playback... >> V: 0.0 10/ 10 ??% ??% ??,?% 0 0 $<3> >> >> >> MPlayer interrupted by signal 2 in module: filter_video >> V: 0.0 11/ 11 ??% ??% ??,?% 0 0 $<3> >> v4l2: ioctl set mute failed: Inappropriate ioctl for device >> v4l2: 0 frames successfully processed, 0 frames dropped. >> >> Exiting... (Quit) >> root@letux:~# >> >> BR and thanks, >> Nikolaus >> > > >
