vdr November 2005

vdr@linuxtv.org

144 participants
178 discussions

buffer usage / clearing transfer buffer
by Martin Dauskardt 28 Nov '05

28 Nov '05

Even with 1.3.37 I recognize often log messages like this: Oct 15 20:53:11 linvdr user.debug vdr[3007]: recording thread started (pid=3007, tid=62476) Oct 15 20:53:11 linvdr user.debug vdr[3008]: TS buffer on device 1 thread started (pid=3008, tid=63501) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 70% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 60% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 70% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 60% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 70% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 60% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 70% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 60% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 70% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 60% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 70% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 60% (tid=58376) Oct 15 20:53:18 linvdr user.debug vdr[3004]: buffer usage: 70% (tid=58376) Oct 15 20:53:19 linvdr user.debug vdr[3004]: buffer usage: 80% (tid=58376) Oct 15 20:53:20 linvdr user.debug vdr[3004]: buffer usage: 90% (tid=58376) Oct 15 20:53:20 linvdr user.debug vdr[3003]: clearing transfer buffer to avoid overflows Oct 15 20:53:20 linvdr user.debug vdr[3004]: buffer usage: 0% (tid=58376) It happens with different kernel versions and firmware versions,but it started some months ago. Yesterday it happend when I recorded a movie from Pro7 (budget card) while watching another channel from the FF-card. It is much better since using Live AC3, but the problem still exists. Some guys on vdrportal have the same problem. Any idea what the reason could be? I even tried kernel 2.4 and the old driver, and it did not solve the problem! It seems to occur especially when the mpeg bitrate goes high (above 5 Mbit/s). DMA for the hard disc is on! I am using gcc 2.95 and when compiling vdr, the following message appears: tools.o: In function `cUnbufferedFile::Close(void)': /usr/src/vdr-1.3.36/tools.c:885: warning: posix_fadvise is not implemented and will always fail Could there be a connection to the problem? I always thought it would only effect that the old file cache behaviour is used.

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Building a streaming client
by Harald Milz 28 Nov '05

28 Nov '05

Hi, since my current living room machine is really too loud :-( I think about separating things and building a Xine plugin client based on a CN400 chipset (Via Epia SP8000 or Commell LV-667D/T Mini-ITX boards). I believe MPEG4 acceleration doesn't work yet with the Unichrome Pro, or does it (and there aren't any real HDTV broadcasts in DE yet, anyway, but just to invest in the right technology)? I want to use DVI out to my HDTV capable LCD TV. Any positive or negative experience to share? Dies XvmC work with the CN400 as it does with the CLE266? -- Kiss me twice. I'm schizophrenic.

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Dummy DVB device...
by Laz 27 Nov '05

27 Nov '05

This is probably an odd request but still! Has anyone had a go at creating a plugin which provides a dummy DVB device? This may sound like a pointless idea but bear with me. I've just been setting up a slave vdr system for occasional use. With this, I'm nfs mounting the /video directory from my main vdr system, and its main use is for watching recordings whilst I'm upstairs on a TV with a nice interface, remote control, etc. At the moment, I am using streamdev so that I don't get lots of "Channel not available" and "No DVB device" error messages popping up every few minutes! It would be much simpler to create a plugin which provides a dummy DVB device but I don't want to reinvent the wheel if someone else has already done this! Not looked into this very deeply yet but would I need to create a fake DVB stream to send to vdr from the plugin or would it still keep on giving me the "Channel not available" messages? Cheers, Laz

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[PATCH] fix segfault in cSkins::Message
by Wolfgang Rohdewald 27 Nov '05

27 Nov '05

this happens if the MENUTIMEOUT makes the OSD menu disappear while a message is displayed. Or if the driver/firmware is faulty and generates a timeout. That is how I found it, but I can also reproduce it without the driver timing out. maybe the access to cSkinDisplay::Current is not thread safe? What happens if it is deleted while executing SetMessage? vdr@mm:~/src$ diff -up skins.prev skins.c --- skins.prev 2005-06-30 10:17:20.000000000 +0200 +++ skins.c 2005-06-30 10:17:10.000000000 +0200 @@ -191,7 +191,8 @@ eKeys cSkins::Message(eMessageType Type, cStatus::MsgOsdClear(); } else { - cSkinDisplay::Current()->SetMessage(Type, NULL); + if (cSkinDisplay::Current()) + cSkinDisplay::Current()->SetMessage(Type, NULL); cStatus::MsgOsdStatusMessage(NULL); } } Breakpoint 1, ~cSkinDisplay (this=0x9ef49c8) at skins.c:28 28 isyslog("~cSkinDisplay"); (gdb) bt #0 ~cSkinDisplay (this=0x9ef49c8) at skins.c:28 #1 0x080ffceb in ~cSkinDisplayMenu (this=0x9ef49c8) at skinsttng.c:349 #2 0x080fb254 in ~cSkinClassicDisplayMenu (this=0x9ef49c8) at skinclassic.c:203 #3 0x080ddd2a in ~cOsdMenu (this=0x9ef75e8) at osdbase.c:97 #4 0x080d6d4c in ~cMenuMain (this=0x9ef75e8) at menu.c:124 #5 0x081235b5 in main (argc=14, argv=0xbfb8f9f4) at vdr.c:800 (gdb) c Continuing. cannot read /Musik//Deutsch/Reinhard_Mey/immer_weiter/12.Selig_sind_die_Verrückten.flac: No such file or directory Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 147463 (LWP 23498)] 0x080fec04 in cSkinClassicDisplayMessage::SetMessage (this=0x9ef4608, Type=mtInfo, Text=0xbe9ff734 "cannot read /Musik//Deutsch/Reinhard_Mey/immer_weiter/12.Selig_sind_die_Verrückten.flac: No such file or directory") at skinclassic.c:639 639 osd->DrawText(0, 0, Text, Theme.Color(clrMessageStatusFg + 2 * Type), Theme.Color(clrMessageStatusBg + 2 * Type), font, Setup.OSDWidth, 0, taCenter); -- Wolfgang

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[ANNOUNCE] VDR developer version 1.3.37
by Klaus Schmidinger 27 Nov '05

27 Nov '05

VDR developer version 1.3.37 is now available at ftp://ftp.cadsoft.de/vdr/Developer/vdr-1.3.37.tar.bz2 A 'diff' against the previous version is available at ftp://ftp.cadsoft.de/vdr/Developer/vdr-1.3.36-37.diff The changes since version 1.3.36: - Added compiler options "-fPIC -g" to all plugins (thanks to Rolf Ahrenberg). - Fixed initializing the day index when editing the weekday parameter of a repeating timer (thanks to Marco Schlüßler). - No longer removing superfluous hyphens in EPG data - would become too language dependent to handle all kinds of exceptions. - Modified switching to Dolby Digital audio in live mode, if the driver and firmware can handle live DD without the need of a Transfer Mode (thanks to Werner Fink). Live DD mode requires a full featured DVB card and a LinuxDVB driver with firmware version 0x2622 or higher. Older versions will use Transfer Mode just like before. - Implemented handling of the "CA PMT Reply" for CAMs (thanks to Marco Schlüßler for figuring out some obscure length bytes in the CA PMT Reply data of AlphaCrypt CAMs). - Some preparations for being able to record several encrypted channels from the same transponder at the same time (or record and view different encrypted channels), provided the CAM in use can handle this. This is work in progress and isn't actively used, yet. - Fixed SetProgress() in the 'skincurses' plugin in case Total is 0 (reported by Stefan Huelswitt). - Added a copy constructor to cString and fixed its assignment operator (thanks to Holger Brunn). - The new function Skins.QueueMessage() can be called from a background thread to queue a message for display. See VDR/skins.h for details. - The SVDRP command MESG uses the new message queueing facility, so MESG commands may now be executed at any time, and the message will be displayed (no more "pending message"). Have fun! Klaus

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[ANNOUNCE] vdr-pvrinput-0.0.9
by Andreas Regel 27 Nov '05

27 Nov '05

Hello, there is a new version of the pvrinput plugin available: http://home.arcor.de/andreas.regel/files/pvrinput/vdr-pvrinput-0.0.9.tgz I officially only support ivtv driver 0.4.0 with this version of the plugin. Never or older versions could make problems, especially using VBI teletext. I really recommend version 0.4.0 when using teletext because the teletext errors (errorneous lines) seem to be gone. Changes since 0.0.8: - adapted setting of VBI mode to new API used in driver version 0.4.0. - removed dynamic setting of VBI embedded mode as this doesn't work when the video device is opened. Andreas

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weird epg in channel info
by Luca Olivetti 27 Nov '05

27 Nov '05

This is just an example. Not really a big issue since I don't really use vdr EPG, but strange anyway. It's now 9:55, on Rai3 (RAI3;RAI:11766:vC23:S13.0E:27500:514:652=ita:578:0:3403:318:5200:0) the current progtam is "Maratona di Firenze". The channel info tells me 7:45 E' domenica papa' 8:45 Screensaver OTOH the program guide (menu-1) tells me 7:45 E' domenica papa' 9:15 Maratona di Firenze 12:00 Tg3 -RaiSport notizie .... Why the information in the channel info is different from the information in the program guide? And why both show a program that already ended as the current one? As an added twist "lste" shows "Maratona di Firenze" as the first one. The epg data has been loaded through SVDRP (using mhwepg), but that shouldn't make a difference, should it? The strange thing is that this only seems to apply to rai channels, mediaset ones (canale 5, italia 1, that also get their data with mhwepg) show the current program (maybe because these channel don't broadcast epg data while the rai ones do?). Bye -- - Yo también quiero una Europa libre de Patentes de Software - - I want a Software Patents Free Europe too! And you? - --------------------------------------------------------------- EuropeSwPatentFree - http://EuropeSwPatentFree.hispalinux.es

3 8

Feature request: single frame advance
by Laz 26 Nov '05

26 Nov '05

I don't think this is currently possible but there are occasions when it would be handy to have a 'single frame advance' button from 'pause mode' when playing back a video. With multi-speed mode enabled, it is possible to step forward at a speed of about a frame every second, or so, but it would be handy to be able to pause a video and then step forward frame-by-frame on a keypress. On some 'normal' video recorders, pressing pause will pause, as expected, and then pressing it again will step forward a frame. Pressing play is needed to start replay once again. Would this be easy to implement? Cheers, Laz

3 5

cString operator= with same buffer
by Holger Brunn 26 Nov '05

26 Nov '05

Hello list, I'm wondering what should happen when assigning a cString to another where both have pointers to the same buffer? As of version 1.3.36, we first free it and duplicate it afterwards. That surely isn't intended, but how to deal with this? 1) Leave them pointing to the same buffer after operator= 2) Don't free the buffer, but duplicate it (that happens in vdr<1.3.36) Do you see good arguments for 1)? I only have one for 2), as you (I) expect to receive a new copy of cString's buffer you assinged from. And this cString's destructor will take care about freeing memory of the original buffer. Thanks for your comments, Holger (who feels ashamed to start a discussion about a one-line-patch :-)

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Problems with noad
by Matthias Fechner 26 Nov '05

26 Nov '05

Hi, i have updated my Linux from Ubuntu hoary to breezy. After this update noad is not setting any marks now. I tried to recompile it, but no success so far. The version is 0.6.0. Has anyone this problem too? Bye Matthias

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vdr November 2005