Hi Nicola, Just as curiosity, how do you handle LD_PRELOAD from within the package?
Best regards, Rafael Diniz > > Rafael, > > thanks again for the patch. The last version sounds reasonable. I upload > test builds in the PPA with it. Regarding the preloading of libv4lcompat, > I handle that directly within the package (by requiring installation of > the proper library). > > It'd be great if people with v4l-needing hardware could test it, once it's > available. > > Thanks again, > Nicola > > > > > >> Subject: Re: [CinCV] v4l1 patch, try2 >> From: raf...@riseup.net >> To: cinelerra@skolelinux.no >> Date: Mon, 30 May 2011 10:06:44 -0700 >> >> People, >> Thinking a little, after Einar email, I reached a patch that: >> >> - keeps v4l support as always for people using kernel <= 2.6.37 >> - keeps v4l support for people using kernel >= 2.6.38, needs >> LD_PRELOAD'ing of libv4l1compat.so >> - cinelerra compiles fine with and without libv4l >> - adds videodev.h to our tree >> >> ; ) >> >> >> >> > Hi Einar, >> > I must disagree with you. >> > >> > If you take a look at the old videodev.h, there is this statement: >> > >> > * Video for Linux version 1 - OBSOLETE >> > * >> > * Header file for v4l1 drivers and applications, for >> > * Linux kernels 2.2.x or 2.4.x. >> > * >> > * Provides header for legacy drivers and applications >> > >> > >> > And now it's gone. >> > There is no such device you're saying that have only v4l1 driver. V4L1 >> is >> > not present in kernel for a long long time (only the V4L1 >> compatibility >> > layer was there). >> > Anyone using kernel 2.4? >> > IMHO, the correct way to support V4L1 is using libv4l. >> > >> > Of course we could commit videodev.h inside our cinelerra tree in >> order to >> > get rid of the libv4l dependency for those still using kernel <= >> 2.6.37 or >> > that don't need V4L support at all. >> > >> > Best regards, >> > Rafael Diniz >> > >> > >> >> Hi. >> >> >> >> You must not unconditionally remove v4l1 support. I think that >> >> configure must detect v4l1 and if it does not exist use libv4l1. >> There >> >> may be some older devices, that have only v4l1 drivers. We have to >> >> leave user an option to use older kernel with v4l1 support. Option to >> >> fully remove v4l1 would be nice too. >> >> >> >> Einar >> > >> > >> > >> > _______________________________________________ >> > Cinelerra mailing list >> > Cinelerra@skolelinux.no >> > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra >> > > _______________________________________________ Cinelerra mailing list Cinelerra@skolelinux.no https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
