On Tue, Sep 14, 2004 at 09:09:00PM +0200, Lucian Muresan wrote: > Hi, > > > Denis Oliver Kropp wrote: > > Hi, > > > > please have a look at the new IDirectFBScreen API. > > > Unfortunately, there's no real support for this new API in the Matrox > > driver, yet. > > > > Apart from that the API is not finished and might lack certain > configuration > > scenarios or hardware capabilities. Any help to hammer out the API is > > welcome ;) > > Well, thank you for that. But is there any other driver which is already > using this API?
No. > I finished soldering my switching cable. Works perfect under windows > (changing cable setting in the PowerDesk driver from both "Composite or > S-video" and "SCART-composite" to "SCART-RGB" and back does show some > difference in image quality, and the "SCART-RGB" setting switches the TV > set into AV-mode. Setting any of the non-RGB modes "releases" the TV-set > on it's own AV setting (i.e. via the button on the remote). > > Under DirectFB (CVS from 2 weeks ago I think), it only partially works. > There are several things which I find strange: > > 1. If I set "matrox-cable-type=scart-rgb" in my htpc's directfbrc and > let it boot up with Freevo (using SDL and DirectFB), the scart > connection doesn't switch my TV automatically. If I manually switch the > TV to AV-mode, the image is there and looks really crisp (ma cable is > rather short, and I've done it of 6 high-quality thin coax cables, so > Ican't really tell just by looking at the Freevo image if it's RGB or > composite mode). So this was the case right at the first run of Freevo. Are you sure it's actually reading the config file on the first run? > 2. Now if I quit freevo and start it again, without changing the > "matrox-cable-type=scart-rgb" setting, it behaves like expected, my TV > is automatically switched into AV-mode and I cannot switch back to the > TV-s own tuner input from the remote, as long as the DirectFB > application (freevo) is running. If I now quit again freevo, the > switching signal disappeares as expected and I can zap my TV (why does > this not work in the scenario 1., at the first run of the directfb > application? Is it just plain composite instead of Scart-rgb? I'd think > so.). > > 3. Now comes the really strange part. I expected to have no switching > signal at all, when I set "matrox-cable-type=composite", just like in > windows. But after having once runned DirectFB with setting SCART-RGB > and then quit and changed to COMPOSITE, run again, the signal is again > RGB, because it switches (I know that, because my cable doesn't switch > 12V out of nowhere, only when the RGB_ENABLE signal raises.. > I would have expected to be able to use this setting for resetting the > switching signal applied on the scart, but there must be something still > wrong in that part of the code, maybe some unclean initialized flags, > when setting the maven registers to do so. Until we won't get that > fixed, it wouldn't make sense for me to try to implement this "on the > fly switching" feature I started this thread with. You have to compare the registers values and > > 4. Even sranger: The setting "matrox-cable-type=scart-composite" changed > after once have runned directfb with scart-rgb, gives a red and black > image (so there is obviously a wrong-initialized RGB-mode with missing > G+B components instead of composite over scart). Does scart-composite work in Windows? I have no idea how it's supposed to differ from plain composite. I have my TV hooked up via composite going through SCART but I just use the plain composite option. > Can someone give me some pointer where to look for the cause? I'm > willing to try to sort this out, as it's a feature I really need (my > HTPC will be hooked to my "single SCART" TV via a loop-through scart of > my new DVB-S receiver, which has no manual switch on it's remote, so > making the G400 switch itself is the only way I can get the signal reach > the TV without having to plug/unplug scart cables... > > Best regards, > Lucian > > -- Ville Syrj�l� [EMAIL PROTECTED] http://www.sci.fi/~syrjala/
