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6731 discussions

gettid build failure fix for 1.3.38
by Ville Skyttä 08 Jan '06

08 Jan '06

The attached patch fixes the build of 1.3.38 for me on Fedora Core 4 and 5test; glibc 2.3.5/gcc 4.0.2 and glibc 2.3.90/gcc 4.1.0. Without it, the build fails saying "'gettid' has not been defined" on both systems.

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Getting rid of FW_NEEDS_BUFFER_RESERVE_FOR_AC3
by Klaus Schmidinger 08 Jan '06

08 Jan '06

In recent versions of the firmware for FF DVB cards (actually IIRC since mid 2005) Werner Fink has greatly improved syncing audio and video in AC3 mode. Therefore the "buffer reserve" in cTransfer::Action() should no longer be necessary. I'd like to get rid of this stuff entirely, so if there's anybody who has a reason why this should still be left in there, please speak up. For a quick test it is sufficient to add the line bool GotBufferReserve = false; GotBufferReserve = true;//XXX (marked with XXX) in transfer.c. Klaus

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vdr-1.3.38 and plugin install
by Andreas Brachold 08 Jan '06

08 Jan '06

Hi, i failed over install plugins via make plugin-install. The define PLUGINLIBDIR=/opt/vdr-1.3.38/lib for gcc are correct used. But plugins installed under /opt/vdr-1.3.38/bin/opt/vdr-1.3.38/lib from my Make.config ### The directory environment: PREFIX = /opt/vdr-1.3.38 MANDIR = $(PREFIX)/man BINDIR = $(PREFIX)/bin PLUGINLIBDIR= $(PREFIX)/lib And i wonder why "make plugins-clean" delete my installed plugins, and not the plugins on build directory. I've attached a possible solution. Cu, Andreas

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vdr-1.3.38 and master-timer ?
by Gregoire Favre 08 Jan '06

08 Jan '06

Hello, as I can't live anymore without master-timer, I would like to know if the change in vdr-1.3.38 breaks master-timer support ? And by the way, on 11 Dec 2005, Olaf Titz wrote on this ml a patch : --- vdr-1.3.37/epg.c~ 2005-11-11 14:37:43.000000000 +0100 +++ vdr-1.3.37/epg.c 2005-12-09 20:54:31.000000000 +0100 @@ -882,6 +882,12 @@ lastCleanup = now; ReportEpgBugFixStats(true); } + struct stat st; + if (!epgDataFileName || stat (epgDataFileName,&st) != 0) { + lastDump = 0; + } else { + lastDump = st.st_mtime; + } if (epgDataFileName && now - lastDump > 600) { cSafeFile f(epgDataFileName); if (f.Open()) { It should allow a force to save the EPG, I have done lots of test to try to really force it, but without success, for example like this : Kill vdr rm -f /video0/epg.data run vdr zap a lots under vdr such that EPG gets full touch -r /bin/bash /video0/epg.data sleep 60 ls -al /video0/epg.data still reports "0" as size... Thank you very much, -- Grégoire FAVRE

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-u in 1.3.38 -> no core dumps?
by Ville Skyttä 08 Jan '06

08 Jan '06

FYI: I had played with Ludwig Nussel's "su" patch in the past, and noticed that the setuid() stuff prevents VDR from dumping core in case of crashes. I haven't really tested it yet, but from skimming the code it looks like the -u implementation included in 1.3.38 might have the same feature too. Of course, no core dumps on crashes makes debugging problems a lot harder :( Doing something like prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) after setuid() and setgid() should fix it, but there may be security implications to consider (whose implications in case of VDR are probably pretty small, but there's a reason why setuid/setgid things don't dump core by default...). In kernels >= 2.6.13, "2" instead of "1" in the above would be available too, which would be quite a bit better. Of course, the simplest "fix" for 1.3.38 would be to not even start it as root; no setuid/setgid -> no (new) problems getting core dumps. More info: PR_SET_DUMPABLE in "man prctl", and http://lwn.net/Articles/104341/ (I'm not sure if that has been applied; mabe it has in >= 2.6.13). Apologies beforehand if the above doesn't apply to VDR 1.3.38; as said, I haven't actually tested it but thought I'd report it while I remember.

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vdr-1.3.38 & softdevice: option -u root
by Stefan Lucke 08 Jan '06

08 Jan '06

Hi, just checked new vdr version with softdevice, and get some problem even when setting -u root. softdevice cvs and vdr-1.3.36: Jan 8 15:14:07 jarada vdr[5745]: [softdevice-audio] Opening alsa device default Jan 8 15:14:07 jarada vdr[5745]: [softdevice-audio] Using alsa AC3 device hw:0,1 Jan 8 15:14:07 jarada vdr[5745]: [softdevice-audio] real UID = 0 effective UID = 0 Jan 8 15:14:07 jarada vdr[5745]: [softdevice-audio] Device opened! Ready to play softdevice cvs and vdr-1.3.38: Jan 8 15:17:22 jarada vdr[5777]: [softdevice-audio] Opening alsa device default Jan 8 15:17:22 jarada vdr[5777]: [softdevice-audio] Using alsa AC3 device hw:0,1 Jan 8 15:17:22 jarada vdr[5777]: [softdevice-audio] real UID = 0 effective UID = 0 Jan 8 15:17:22 jarada vdr[5777]: [softdevice-audio] Playback open error: default, Keine Berechtigung FATAL exiting Jan 8 15:17:22 jarada vdr[5779]: video directory scanner thread ended (pid=5779, tid=5779) Jan 8 15:17:22 jarada vdr[5780]: video directory scanner thread ended (pid=5780, tid=5780) vdr 1.3.38 is called with -u root. softdevice code is (from audio.c): { uid_t ruid = getuid(); uid_t euid = geteuid(); dsyslog("[softdevice-audio] real UID = %d effective UID = %d",ruid,euid); } if ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) { esyslog("[softdevice-audio] Playback open error: %s, %s FATAL exiting", device, snd_strerror(err)); exit(1); } Are there other UIDs relevant ? -- Stefan Lucke

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event id ?
by Gregoire Favre 08 Jan '06

08 Jan '06

Hello, I need some help in understanding the event id of epd.data (or for LSTE/PUTE via SVDRP) : if I want to send some epg to populate the EPG, how should I choose the event id ? Thank you very much, -- Grégoire FAVRE

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Incormporating frame advance not on I-frames...
by Laz 08 Jan '06

08 Jan '06

Hi, I mentioned this a few weeks back and I've finally got around to having a go at incorporating it. My plan is to change the way the Pause button works so that pressing it whilst paused steps forward by a frame and stays paused (I've owned a real video that does this: pressing play exits pause). Skiping between I-frames like this is easy to achieve by changing cDvbPlayer::Pause to: void cDvbPlayer::Pause(void) { if (playMode == pmPause || playMode == pmStill) { Goto(SkipFrames(1), true); } else { ... This works fine, and is a partial solution but each step is ca. half a second. I was hoping to use something involving: GetIndex(Current, Total, false); // Get current index _not_ snapped to I-frame Goto(++Current); but Goto snaps to I-frames so all I see is it jumping to an I-frame on the first step and then jumping to the same one on successive steps! Is it possible to step between individual frames using cDvbPlayer or does this need doing at a lower level? Cheers, Laz

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sourcecaps, vdr-1.3.36, and concurrent recordings
by Jeremy Hall 08 Jan '06

08 Jan '06

Hello, My sourcecaps looks like this: SourceCaps = 1 S1W S2W S3W S4W SourceCaps = 2 S1W S2W S3W Card1 is a budget card Card2 is a FF card and is PrimaryDevice. I was watching a channel on S4W, which meant the budget card was feeding the stream to the FF card for display. Normally when I record, I am watching the FF card directly, and when the recording starts vdr spins up the budget and tunes to the recording channel so that both cards are tuned to the same channel if I am watching the same chanel I am recording. Anything on S4 is unavailable while recording. When the event started on S2, I expected vdr to leave card0 alone and tune card1 (the ff card) to S2 and start recording from the FF card. Instead, my program on S4 was rudely interrupted, vdr switched to the recording channel, and refused to let me watch the S4 content. I tried a variety of cluges, including two timers, one on S2 and one on S4--that yielded about 30 seconds of content showing then vdr just died. Does anybody understand what might be going on? _J

2 1

VDSB Video Data Stream Broken
by Patrick Maier 07 Jan '06

07 Jan '06

Hi all, I've again a problem with the mysterious Errormessage "ERROR: video data stream broken". First of all I try to explain the setup of the friend of mine, who has the Problem... He has one PC with linvdr and VDR version 1.3.34 with 3 Cards: 2x FF cards and 1x LBudget card There are 2 instances of vdr running, the first instance has one FF card and one LB card. The second instance has the remaining FF card. Everything is doing well UNTIL a recording starts. After 30 seconds the vdr instance which is recording brings that VDSB ERROR: "ERROR: video data stream broken" and an emergency exit is done. This Error appears 90% of the time.... the rest 10% all is doing well... Can anyone explain why this error occurs? Or what to do to solve the Problem? The logfile is attached. Greets Patrick -- There are only 10 kind of people who understand binary digits: Those who do - Those who don't...

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