Hi,
I'm trying to setup a vdr system using the softdevice plugin and
directfb. I had this working with the 0.9.25 version of directfb. But
since I needed the mpeg accelleration that softdevice provides in
conjunction with libcle266mpegdec, I'm now trying to get things
working with the 1.0-rc4 of directfb.
When starting vdr I get this message:
Layer 0 VIA CLE266 Graphics Type: graphics
Caps: alphachannel brightness contrast opacity saturation
src_colorkey surface
Layer 1 VIA Unichrome Video Type: graphics picture video
Caps: deinterlacing dst_colorkey levels field_parity opacity
screen_location surface
[dfb] (osdLayer): flags, options, pixelformat: 0000000f, 00000000
00418c04
[dfb] (osdLayer): width, height: 1024 768
[dfb] osdLayer has alpha channel
[dfb] init EXITING:action=IDirectFBDisplayLayer::SetConfiguration
(DFBDisplayLayerConfig&), result=Not supported!
In the source of softdevice, this is what's happening:
ReportLayerInfo(osdLayer, "osdLayer");
if (osdLayerDescription.caps & DLCAPS_ALPHACHANNEL) {
fprintf(stderr, "[dfb] osdLayer has alpha channel\n");
osdLayerConfiguration.options = DLOP_ALPHACHANNEL;
videoLayerLevel = -1;
} else {
fprintf(stderr, "[dfb] osdLayer without !! alpha channel\n");
}
osdLayer->SetCooperativeLevel(DLSCL_EXCLUSIVE);
osdLayer->SetConfiguration(osdLayerConfiguration);
So it looks to me as if softdevice tries to set some properties on
the osdLayer (alpha transparency I presume), and directfb reports
that this is function is unsupported.
What I really need now is some lead to follow up on. I googled around
and followed the various tutorials but for some reasons I can't get
things to work where others succeed.
My set up is a gentoo distro, kernel 2.6.19 with directfb rc4
compiled manually on a epia m10k. The framebuffer I'm using is the
viafb from http://davesdomain.org.uk/viafb because I couldn't get the
viafb from directfb cvs compile as a module. I could build it into
the kernel, but then I didn't get any output on the vga ouput (only
on svideo). The one from davesdomain is working fine in console mode.
I don't need tv out since my lcd is hooked up to the vga output.
What should I try next? Should I be using the directfb viafb module?
If so I could really get some help on compiling that as a module
and / or configuring it to make the vga out work. I guess it can also
be a softdevice issue, maybe something changed in the directfb api
that requires changes to softdevice. It could also be a problem with
directfb itself, but then I'd guess that other users would experience
the same.
My most likely candidate is the viafb version I'm using but I'm not
sure anymore.
Sorry for the lengthy post, but I really hope someone will give me a
hint to a solution.
Thanks,
Hugo
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