Hi, I missed this one. Sorry for the delayed response.
VPFE_STD_AUTO is something internal to the hardware. You should do QUERYSTD to detect the standard from the application. Murali Karicheri Software Design Engineer Texas Instruments Inc. Germantown, MD 20874 Phone : 301-515-3736 email: m-kariche...@ti.com >-----Original Message----- >From: Ottavio Campana [mailto:ottavio.camp...@dei.unipd.it] >Sent: Wednesday, June 10, 2009 3:34 AM >To: Karicheri, Muralidharan >Cc: davinci-linux-open-source@linux.davincidsp.com; Muralidharan Karicheri >Subject: Re: [PATCH 0/10 - v2] ARM: DaVinci: Video: DM355/DM6446 VPFE >Capture driver > >m-kariche...@ti.com wrote: >> From: Muralidharan Karicheri<a0868...@gt516km11.gt.design.ti.com> >> >> VPFE Capture driver for DaVinci Media SOCs :- DM355 and DM6446 > >is this the same set of patches present in the branch staging/vpfe ? > >I'm having a doubt with that set of patches. Particularly, I'm having >problems when detecting the video format, because I don't find the >define VPFE_STD_AUTO any more. > >My code is > > std = VPFE_STD_AUTO; > > if (ioctl (worker_acquire->fd, VIDIOC_S_STD, &std) == -1) > { > fprintf (stderr, "set_data_format: ioctl VIDIOC_S_STD failed\n"); > return -1; > } > > /* wait until decoder is fully locked */ > sleep (1); > > if (ioctl (worker_acquire->fd, VIDIOC_QUERYSTD, &std) == -1) > { > fprintf (stderr, "set_data_format: ioctl VIDIOC_QUERYSTD failed\n"); > return -1; > } > > if (std == V4L2_STD_NTSC) > { > fprintf (stdout, "NTSC camera detected\n"); > } > else if (std == V4L2_STD_PAL) > { > fprintf (stdout, "PAL camera detected\n"); > } > else > { > fprintf (stdout, "Unknown video input standard\n"); > return -1; > } > >But VPFE_STD_AUTO does not exist: > >otta...@debian2:~$ grep -r VPFE_STD_AUTO >/home/ottavio/Projects/stuff/openembedded/tmp/work/dm6446-evm-angstrom- >linux-gnueabi/linux-davinci-2.6.29+2.6.30-rc7- >r8+gitr03022e38318bef016836dae71c70b9ea975723e7-r8/git/* >otta...@debian2:~$ > >So the question is: how do I autodetect the video format? Do you have >some reference code? > >Thank you, > >Ottavio _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
