Hi Enric, On Monday 24 September 2012 10:33:42 Enric Balletbò i Serra wrote: > Hi everybody, > > I'm trying to add support for MT9V034 Aptina image sensor to current > mainline, as a base of my current work I start using the latest > omap3isp-next branch from Laurent's git tree [1]. The MT9V034 image > sensor is very similar to MT9V032 sensor, so I modified current driver > to accept MT9V034 sensor adding the chip ID. The driver recognizes the > sensor and I'm able to capture some frames. > > I started capturing directly frames using the pipeline Sensor -> CCDC > > ./media-ctl -r > ./media-ctl -l '"mt9v032 3-005c":0->"OMAP3 ISP CCDC":0[1]' > ./media-ctl -l '"OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]' > ./media-ctl -f '"mt9v032 3-005c":0 [SGRBG10 752x480]' > ./media-ctl -f '"OMAP3 ISP CCDC":1 [SGRBG10 752x480]' > > # Test pattern > ./yavta --set-control '0x00981901 1' /dev/v4l-subdev8 > > # ./yavta -p -f SGRBG10 -s 752x480 -n 4 --capture=3 /dev/video2 > --file=img-#.bin > > To convert to jpg I used bayer2rgb [2] program executing following command, > > $ convert -size 752x480 GRBG_BAYER:./img-000000.bin img-000000.jpg > > And the result image looks like this > > http://downloads.isee.biz/pub/files/patterns/img-from-sensor.jpg > > Seems good, so I tried to use following pipeline Sensor -> CCDC -> > Preview -> Resizer > > ./media-ctl -r > ./media-ctl -l '"mt9v032 3-005c":0->"OMAP3 ISP CCDC":0[1]' > ./media-ctl -l '"OMAP3 ISP CCDC":2->"OMAP3 ISP preview":0[1]' > ./media-ctl -l '"OMAP3 ISP preview":1->"OMAP3 ISP resizer":0[1]' > ./media-ctl -l '"OMAP3 ISP resizer":1->"OMAP3 ISP resizer output":0[1]' > > ./media-ctl -V '"mt9v032 3-005c":0[SGRBG10 752x480]' > ./media-ctl -V '"OMAP3 ISP CCDC":0 [SGRBG10 752x480]' > ./media-ctl -V '"OMAP3 ISP CCDC":2 [SGRBG10 752x480]' > ./media-ctl -V '"OMAP3 ISP preview":1 [UYVY 752x480]' > ./media-ctl -V '"OMAP3 ISP resizer":1 [UYVY 752x480]' > > # Set Test pattern > > ./yavta --set-control '0x00981901 1' /dev/v4l-subdev8 > > ./yavta -f UYVY -s 752x480 --capture=3 --file=img-#.uyvy /dev/video6 > > I used 'convert' program to pass from UYVY to jpg, > > $ convert -size 752x480 img-000000.uyvy img-000000.jpg > > and the result image looks like this > > http://downloads.isee.biz/pub/files/patterns/img-from-resizer.jpg > > As you can see, the image is wrong and I'm not sure if the problem is > from the sensor, from the previewer, from the resizer or from my > conversion. Anyone have idea where should I look ? Or which is the > source of the problem ? Could you please post the output of all the above media-ctl and yavta runs, as well as the captured raw binary frame ? > [1] http://git.linuxtv.org/pinchartl/media.git/shortlog/refs/heads/omap3isp- > omap3isp-next > [2] https://github.com/jdthomas/bayer2rgb -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
