Re: [vdr] Hard link cutter [was: Suggestion: High speed cutting]

2007-03-18 Thread Udo Richter

Richard Lithvall wrote:
Why not just change the naming of video files to four, five or even 
eight digits?


The real limit is that the file format and the VDR API uses byte sized 
integers to represent this. (cIndexFile::Get uses an uchar *FileNumber.) 
This could be extended, even with moderate changes on the file format. 
(there are reserved bytes that could be used)


However, in any case it will break compatibility for the recording 
format and for the VDR API. And with some tricks, 255 files are enough 
too, so why break things?


Cheers,

Udo

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[vdr] softplay problem with ffmpeg [rev 8428] (Was: softdevice audio problem. audio repacker issue?)

2007-03-18 Thread Stefan Lucke
On Sunday 18 March 2007 10:34, Martin Wache wrote:
 Stefan Lucke schrieb:

  But there is still one drawback.
  It is still not playable with softplay.
  
  Neither audio nor video.
  There are only some accustic fragments and no video frame.
  
 
 For me softplay works fine with vdr recordings. Did you make sure that
 you compiled softplay with the same ffmpeg version like the softdevice?

Yes. just did a make clean-plugins, make plugins.
This is with old (vdr-1.2.1) and new recordings.

My current ffmpeg revision is 8428. Will test some older like 7852 too.

-- 
Stefan Lucke

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Re: [vdr] softdevice audio problem. audio repacker issue?

2007-03-18 Thread Reinhard Nissl
Hi,

Martin Wache wrote:

 I agree that it is cleaner to have an index file which points to
 complete frames, but I never experienced any problems without repacking.

So it seems to me that only xine's libmpeg2 has the problem to drop
incomplete frames. This was annoying when moving cutting marks and I
first solved this issue by patching GetNextIFrame() to deliver the
missing tail too. But Klaus didn't like this hack and asked for a
cleaner approach. The solution sounds quite simple: just start a new PES
packet for each video frame and everything is fine. But the actual
solution is quite complex: cVideoRepacker.

 I switched the repacking off in my vdr... I don't think that it is necessary.

Maybe you are right. The benefit of avoiding memcpys when repacking is
done already during the TS to PES transformation is void as long as one
cannot rely on getting repacked packets all the time.

Bye.
-- 
Dipl.-Inform. (FH) Reinhard Nissl
mailto:[EMAIL PROTECTED]

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Re: [vdr] softdevice audio problem. audio repacker issue?

2007-03-18 Thread Georg Acher
On Sun, Mar 18, 2007 at 01:26:03PM +0100, Reinhard Nissl wrote:
 
  I switched the repacking off in my vdr... I don't think that it is 
  necessary.
 
 Maybe you are right. The benefit of avoiding memcpys when repacking is
 done already during the TS to PES transformation is void as long as one
 cannot rely on getting repacked packets all the time.

Due to the limited power of the Geode with 300MHz of the Reelbox, I've
analyzed the TS-path in the vdr with gprof/oprofile and re-wrote the
repacker from scratch and changed some of the related TS code in
device/dvbdevice. It has a lot of optimizations:

- The ringbuffer works with packet granularity (no single bytes), no extra
sync checks are needed. Multiple memcpy of the same data is avoided as much
as possible, especially for the video part.

- The MPEG-sequence code search (ScanVideoPacket) is optimized for simple
CPUs where the raw number of memory accesses and instructions is important
(no memchr, that's slower on the Geode)

- The video packer detects if the PES-flag in the TS header actually starts
a new PES packet with I, P and B-frames at the TS beginning. After this
detection, the search for start-of-picture is no longer done and the
PES-flag only determines the separation. Since a lot of broadcasters are
using the flag this way (especially the hingh bandwidth ones like ARD and
ZDF in Germany) this saves a lot of CPU time. Services which don't allow
this usually have low bandwidth anyway and are IMO not that important anyway
(CNBC, Gods Channel, etc ;-) )...

- There's one ringbuffer (and thus one data copying) eliminated in the way
from the DVB-device to the TS receivers. Multiple ringbuffers in a row only
give the illusion of better buffering...

- The TS-dispatcher in cDevice::Action looks for bursts of TS-packets
with the same PID and only does one Lock() and one Receive()-call for this
burst instead for each single packet. Video data usually comes in bursts, so
this saves a lot of unnecessary overhead. As the receiver function allows
multiple packets (length parameter) this is perfectly legal. Unfortunately,
some plugins don't respect the length parameter (older femon comes to mind,
I don't know about the latest version). But that is easily fixed...

The new repacker may have some issues with AC3 or some audio-only channels,
but maybe it's worth to have a look at its code...

svn co svn://[EMAIL PROTECTED]/testing/src/vdr-1.4/
 
-- 
 Georg Acher, [EMAIL PROTECTED] 
 http://www.lrr.in.tum.de/~acher
 Oh no, not again ! The bowl of petunias  

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Re: [vdr] plugin errors with vdr 1.5.1

2007-03-18 Thread VDR User

On 3/18/07, anthony kelly [EMAIL PROTECTED] wrote:

I could not compile many plugins with 1.5.1 until I made the following
change in  ./include/vdr/osdbase.h, in class cOsdObject I moved bool
needsFastResponse; from private to public scope.


There is now a SetNeedsFastResponse function to set that bootlean.
Your change to vdr works but you might simply want to update plugins
as most of the common ones have been fixed.

If you want to add 1.5.1 compatibility to a plugin, you can follow the
following code example:

#if APIVERSNUM = 10500
 SetNeedsFastResponse(false);
#else
 needsFastResponse = false;
#endif

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Re: [vdr] softdevice audio problem. audio repacker issue?

2007-03-18 Thread Halim Sahin
Hi,
Is there a patch available with your modifications?
Thanks
Halim
On So, Mär 18, 2007 at 04:30:02 +0100, Georg 
Acher wrote:
 On Sun, Mar 18, 2007 at 01:26:03PM +0100, Reinhard Nissl wrote:
  
   I switched the repacking off in my vdr... I don't think that it is 
   necessary.
  
  Maybe you are right. The benefit of avoiding memcpys when repacking is
  done already during the TS to PES transformation is void as long as one
  cannot rely on getting repacked packets all the time.
 
 Due to the limited power of the Geode with 300MHz of the Reelbox, I've
 analyzed the TS-path in the vdr with gprof/oprofile and re-wrote the
 repacker from scratch and changed some of the related TS code in
 device/dvbdevice. It has a lot of optimizations:
 
 - The ringbuffer works with packet granularity (no single bytes), no extra
 sync checks are needed. Multiple memcpy of the same data is avoided as much
 as possible, especially for the video part.
 
 - The MPEG-sequence code search (ScanVideoPacket) is optimized for simple
 CPUs where the raw number of memory accesses and instructions is important
 (no memchr, that's slower on the Geode)
 
 - The video packer detects if the PES-flag in the TS header actually starts
 a new PES packet with I, P and B-frames at the TS beginning. After this
 detection, the search for start-of-picture is no longer done and the
 PES-flag only determines the separation. Since a lot of broadcasters are
 using the flag this way (especially the hingh bandwidth ones like ARD and
 ZDF in Germany) this saves a lot of CPU time. Services which don't allow
 this usually have low bandwidth anyway and are IMO not that important anyway
 (CNBC, Gods Channel, etc ;-) )...
 
 - There's one ringbuffer (and thus one data copying) eliminated in the way
 from the DVB-device to the TS receivers. Multiple ringbuffers in a row only
 give the illusion of better buffering...
 
 - The TS-dispatcher in cDevice::Action looks for bursts of TS-packets
 with the same PID and only does one Lock() and one Receive()-call for this
 burst instead for each single packet. Video data usually comes in bursts, so
 this saves a lot of unnecessary overhead. As the receiver function allows
 multiple packets (length parameter) this is perfectly legal. Unfortunately,
 some plugins don't respect the length parameter (older femon comes to mind,
 I don't know about the latest version). But that is easily fixed...
 
 The new repacker may have some issues with AC3 or some audio-only channels,
 but maybe it's worth to have a look at its code...
 
 svn co svn://[EMAIL PROTECTED]/testing/src/vdr-1.4/
  
 -- 
  Georg Acher, [EMAIL PROTECTED] 
  http://www.lrr.in.tum.de/~acher
  Oh no, not again ! The bowl of petunias  
 
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-- 
Halim Sahin
E-Mail: 
halim.sahin (at) t-online.de

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Re: [vdr] VDR stops replay due to strong wind condition

2007-03-18 Thread Heikki Manninen
On su, 2007-03-18 at 15:46 +0100, Klaus Schmidinger wrote:

 You can disable all the cThread::EmergencyExit() calls if you don't want
 this. Maybe I should disable this by default in a future version - and wait
 until people start complaining because recordings are broken... ;-)

I personally don't believe/experience that driver problems cause broken
recordings nowadays or have been causing them in the past year or two.

I find this behaviour very irritating in VDR - mainly because of the
facts in list thread Handling of temporarily encrypted channels
recently.


-- 
Heikki M


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Re: [vdr] softdevice audio problem. audio repacker issue?

2007-03-18 Thread Georg Acher
On Sun, Mar 18, 2007 at 05:25:00PM +0100, Halim Sahin wrote:
 Hi,
 Is there a patch available with your modifications?

That's a bit difficult, since our vdr has no exact mainline equivalent.
It may contain parts from different vdr versions. But as I've heard, it
should work also on a full featured card without any modifications. Maybe
you need to tweak the makefile... The remuxer itself should be API
compatible, so exchanging the file and using tools.c/h from the svn should
also work.

-- 
 Georg Acher, [EMAIL PROTECTED] 
 http://www.lrr.in.tum.de/~acher
 Oh no, not again ! The bowl of petunias  

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AW: [vdr] VDR stops replay due to strong wind condition

2007-03-18 Thread martin
Thanks Klaus,

For that fast response. As you said: it's not your - respective VDR's
Problem. Are there still so many buggy drivers around? I would appreciate to
have this work-around-feature disabled by default, but be enabled with a
command line option in case somebody still needs it. It's the second time,
that I have to ssh my VDR, kill VDR, move my timers away, restart VDR. And
as I do not use a full featured card, I also have to start playing again in
XINE. It's simply annoying, and you first have to find out why VDR does not
run stable.

Regards,
Martin

PS: Disabling this feature in source means that I have to make my own
version. It's always extra work that is better spent on making DVB drivers
run stable.

-Ursprüngliche Nachricht-
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag von
Klaus Schmidinger
Gesendet: Sonntag, 18. März 2007 15:47
An: vdr@linuxtv.org
Betreff: Re: [vdr] VDR stops replay due to strong wind condition

martin wrote:
 Hello,
 
  
 
 I try to watch recored material with my VDR. This is basically nice, but
 today we have strong wind. And sorry to get rude, but:
 
  
 
 Es ist so zum Kotzen, dass der VDR meint er muss sich neu starten, wenn
 das DVB-S signal mal nicht so gut ist.
 
  
 
 How should I explain my friends that we can’t watch the movie, because
 the perception of the DVB signal is currently bad. Why does VDR exit,
 when the signal is bad? It’s not VDR’s Problem, but makes many things
 different.
 
  
 
 Regards,
 
 Martin
 
  
 
 Mar 18 15:23:00 htpc vdr: [13541] frontend 0 timed out while tuning to
 channel 504, tp 112515
 
 Mar 18 15:23:21 htpc vdr: [13541] frontend 0 timed out while tuning to
 channel 501, tp 112574
 
 Mar 18 15:24:27 htpc vdr: [13541] frontend 0 timed out while tuning to
 channel 27, tp 112633
 
 Mar 18 15:24:45 htpc vdr: [13541] frontend 0 lost lock on channel 36, tp
 112662
 
 Mar 18 15:24:46 htpc vdr: [13541] frontend 0 regained lock on channel
 36, tp 112662
 
 Mar 18 15:24:47 htpc vdr: [13541] frontend 0 lost lock on channel 36, tp
 112662
 
 Mar 18 15:24:47 htpc vdr: [13541] frontend 0 regained lock on channel
 36, tp 112662
 
 Mar 18 15:24:48 htpc vdr: [13541] frontend 0 lost lock on channel 36, tp
 112662
 
 …
 
 Mar 18 15:30:22 htpc vdr: [13543] frontend 1 lost lock on channel 4, tp
 111953
 
 Mar 18 15:30:22 htpc vdr: [13543] frontend 1 regained lock on channel 4,
 tp 111953
 
 Mar 18 15:30:24 htpc vdr: [13541] frontend 0 timed out while tuning to
 channel 501, tp 112574
 
 Mar 18 15:30:27 htpc vdr: [13538] stopping plugin: streamdev-server
 
 Mar 18 15:30:30 htpc vdr: [13538] stopping plugin: text2skin
 
 Mar 18 15:30:30 htpc vdr: [13538] stopping plugin: epgsearch
 
 Mar 18 15:30:30 htpc vdr: [13548] EPGSearch: Leaving search timer thread
 
 Mar 18 15:30:30 htpc vdr: [13538] stopping plugin: femon
 
 Mar 18 15:30:30 htpc vdr: [13538] stopping plugin: xine
 
 Mar 18 15:30:30 htpc vdr: [13538] timer 58 (4 1507-1600 'Matrix statt
 Mattscheibe') stop

VDR doesn't know that the signal is bad due to stormy weather.
It assumes that something is wrong with the driver and does a restart
because you have a timer recording. If there were no recording timer,
VDR wouldn't do this.

You can disable all the cThread::EmergencyExit() calls if you don't want
this. Maybe I should disable this by default in a future version - and wait
until people start complaining because recordings are broken... ;-)

Klaus

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AW: [vdr] VDR stops replay due to strong wind condition

2007-03-18 Thread martin
So, get rid of legacy or make it at least disabled, configurable with a
start option.

Martin

-Ursprüngliche Nachricht-
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag von
Heikki Manninen
Gesendet: Sonntag, 18. März 2007 17:46
An: VDR Mailing List
Betreff: Re: [vdr] VDR stops replay due to strong wind condition

On su, 2007-03-18 at 15:46 +0100, Klaus Schmidinger wrote:

 You can disable all the cThread::EmergencyExit() calls if you don't want
 this. Maybe I should disable this by default in a future version - and
wait
 until people start complaining because recordings are broken... ;-)

I personally don't believe/experience that driver problems cause broken
recordings nowadays or have been causing them in the past year or two.

I find this behaviour very irritating in VDR - mainly because of the
facts in list thread Handling of temporarily encrypted channels
recently.


-- 
Heikki M


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Re: [vdr] VDR stops replay due to strong wind condition

2007-03-18 Thread Wolfgang Fritz
Heikki Manninen schrieb:
 On su, 2007-03-18 at 15:46 +0100, Klaus Schmidinger wrote:
 
 You can disable all the cThread::EmergencyExit() calls if you don't want
 this. Maybe I should disable this by default in a future version - and wait
 until people start complaining because recordings are broken... ;-)
 
 I personally don't believe/experience that driver problems cause broken
 recordings nowadays or have been causing them in the past year or two.
 

That's my experience too. My VDR has a Nexus FF card and a Skystar 2
budget card and the only situations I get emergency exits are

1. Bad weather
2. If VDR is used in locations where only one Sat connection is available.

For problem 2 it would be nice if VDR would try other cards first if the
card it wants to use for a recording gets no signal before giving up
with emergency exit.

Wolfgang



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Re: [vdr] VDR stops replay due to strong wind condition

2007-03-18 Thread Steffen Barszus

Heikki Manninen schrieb:


On su, 2007-03-18 at 15:46 +0100, Klaus Schmidinger wrote:

 


You can disable all the cThread::EmergencyExit() calls if you don't want
this. Maybe I should disable this by default in a future version - and wait
until people start complaining because recordings are broken... ;-)
   



I personally don't believe/experience that driver problems cause broken
recordings nowadays or have been causing them in the past year or two.

I find this behaviour very irritating in VDR - mainly because of the
facts in list thread Handling of temporarily encrypted channels
recently.
 


Shouldn't it be enough to do not sprecify -w option ? :

 -w SEC,   --watchdog=SEC activate the watchdog timer with a timeout of SEC
  seconds (default: 0); '0' disables the watchdog

If not,  in future vdr versions it should maybe handled like that ? I 
personally own a card combo which have needed this feature one of the 
most i guess (TT FF + SkyStar2 both SAT) and with drivers since around 
2.6.16 it's running rock stable now. Wasn't there development ongoing to 
be able to do a live ARM reset without reloading the driver within a 
fraction of the time ?


My 2 cents are, it was a good thing but nowadays something more 
sophisticated should be put in place. Think nobody would mind 1-3 
restart to get the driver going, but after that the recording should be 
switched off and a comment or status should mark it with the reason of 
failing. (all only thinking in new dev version development direction.


Steffen

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Re: [vdr] softdevice audio problem. audio repacker issue?

2007-03-18 Thread Reinhard Nissl
Hi,

Georg Acher wrote:

 The new repacker may have some issues with AC3 or some audio-only channels,
 but maybe it's worth to have a look at its code...
 
 svn co svn://[EMAIL PROTECTED]/testing/src/vdr-1.4/

I'll have a look at it the next days.

I must admit, that the repacker classes were designed to be integrated
into the existing TS/PES remux code at almost no changes (at least no
complex changes). I thought about rewriting the whole chain too but
didn't find time so far respectively didn't have the need to do it.
Thanks for your work in this area.

Bye.
-- 
Dipl.-Inform. (FH) Reinhard Nissl
mailto:[EMAIL PROTECTED]

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Re: [vdr] VDR stops replay due to strong wind condition

2007-03-18 Thread Udo Richter

Heikki Manninen wrote:

On su, 2007-03-18 at 15:46 +0100, Klaus Schmidinger wrote:

You can disable all the cThread::EmergencyExit() calls if you don't want
this. Maybe I should disable this by default in a future version - and wait
until people start complaining because recordings are broken... ;-)


I personally don't believe/experience that driver problems cause broken
recordings nowadays or have been causing them in the past year or two.


Well, at least I will re-enable (or reverse-patch) this feature back 
into my VDR, as it saved many recordings for me. This fallback is only 
triggered if a scheduled recording is getting not a single byte of data 
for at least one minute, so there's IMHO something seriously wrong about 
it. And in many cases, a clean restart fixes this for me - because for 
me its usually a malfunction of the tuner / multiswitch communication, 
and a power down / power up of all LNB power helps.


Cheers,

Udo


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AW: [vdr] VDR stops replay due to strong wind condition

2007-03-18 Thread martin
Okay: how to tell my granny, that she can't watch her recording, because
some emergency exit is going on?
* Hot to tell her, that the sat dish is moving?
- This is nothing for a normal enuser, there must be another solution!

Let me tell you a story: all of our PC's are connected to the internet.
Suddenly, the Internet connection is broken down. Now, the PC reboots itself
every minute! That’s crazy man! Solve the problem, but do not disturb the
whole system.

Last time I had to retune the dish - again the wind problem - it has moved
the dish. I was unable with Femon to put it back to work, because VDR
constantly rebooted itself and as I am not using a FF card, I always had to
restart Xine. Again: this is no sound setup.

When there is a problem, try to fix it .. otherwise we could go directly
with software of the richest men in the world.
I say: happy blue screen and reboot is good!

Please Klaus, I beg you on my knees: make your software useable for normal
users.

Thanks in advance,
Martin

PS: Hunt down those developers of firmware, that make buggy programming. :)
I had 10 people sitting around today, trying to watch the movie. All said:
wau, what a great system - I will also need a VDR. After 5 Minutes everbody
told me its shit - sorry to say that. Well I still know, that it's the best,
but all the other 9 are not convinced.


-Ursprüngliche Nachricht-
Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag von
Udo Richter
Gesendet: Montag, 19. März 2007 00:00
An: VDR Mailing List
Betreff: Re: [vdr] VDR stops replay due to strong wind condition

Heikki Manninen wrote:
 On su, 2007-03-18 at 15:46 +0100, Klaus Schmidinger wrote:
 You can disable all the cThread::EmergencyExit() calls if you don't want
 this. Maybe I should disable this by default in a future version - and
wait
 until people start complaining because recordings are broken... ;-)
 
 I personally don't believe/experience that driver problems cause broken
 recordings nowadays or have been causing them in the past year or two.

Well, at least I will re-enable (or reverse-patch) this feature back 
into my VDR, as it saved many recordings for me. This fallback is only 
triggered if a scheduled recording is getting not a single byte of data 
for at least one minute, so there's IMHO something seriously wrong about 
it. And in many cases, a clean restart fixes this for me - because for 
me its usually a malfunction of the tuner / multiswitch communication, 
and a power down / power up of all LNB power helps.

Cheers,

Udo


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[vdr] Re: AW: VDR stops replay due to strong wind condition

2007-03-18 Thread Darren Salt
I demand that martin may or may not have written...

[snip]
 That’s crazy man!
  ^
Was that supposed to be an apostrophe? I ask because I see here a box symbol,
representing an unknown character...

Your message's headers say ISO8859-1. Character code 0x92 is undefined in
ISO8859-1, and therefore may not be properly viewable everywhere (except with
software which has workarounds for broken messages generated by buggy MS
software).

 Solve the problem, but do not disturb the whole system.

You should take your own advice - stop using broken MS products, or at least
configure them to use the correct encoding, in this case Windows-1252.

(Actually, in that encoding, it's a single close quotation mark, not an
apostrophe. So, strictly, it's *still* wrong, but at least it'd look
something like what it's supposed to be.)

[snip]
 -Ursprüngliche Nachricht-
 Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag
von
 Udo Richter
 Gesendet: Montag, 19. März 2007 00:00
 An: VDR Mailing List
 Betreff: Re: [vdr] VDR stops replay due to strong wind condition
[snip]
 Cheers,
 
 Udo
[snip]

That's not properly quoted. It could be taken for text that *you*'ve written.

Again, you should take your own advice.

And don't top-post.

-- 
| Darren Salt| linux or ds at  | nr. Ashington, | Toon
| RISC OS, Linux | youmustbejoking,demon,co,uk | Northumberland | Army
| + Output *more* particulate pollutants.  BUFFER AGAINST GLOBAL WARMING.

I'd like to, but I have to go to the post office to see if I'm still wanted.

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Re: [vdr] Is GrabImage only for PAL resolution when using FF cards?

2007-03-18 Thread VDR User

Grab screenshots are unfortunately screwed up for NTSC.  I asked Klaus
about this a long time ago and he suggested the problem was
driver/firmware related.  When I inquired I was told it's a software
problem.  Rather than continuing to go in cricles I just forgot the
idea of getting a good screenshot.

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[vdr] Mailing List Etiquette

2007-03-18 Thread Clemens Kirchgatterer
This is the 'official' and updated vdr-mailing-list-etiquette-reminder. 
Please take this as a serious advice. Take the time to read it,
especially if you are new to mailinglists in general.


E-mail formatting
=

Mailing list email should fit the following criteria:

DO
==

* Trim quoted material to the minimum needed to clarify what you're
  talking about.

* Add a blank line _before_ and _after_ each quote for better
  readability.

* Make sure you are attributing material to the correct person
  (i.e. make sure the On 19/07/2002, Joe Bloggs said: is correct)

* Write your responses _after_ the quoted text, not before. If your 
  mail client makes it difficult to do this, get a new one.

* Make sure lines are wrapped at maximum 76 characters (to fit an 80 
  character wide screen), even if the text had been quotet several
  times.

* Use the correct number of  characters at the start of each
  quoted line.

* Set your mail client to english headers to avoid subjects like:
  AW: Antwort: Re: AW: AW: AW: Re: Some Topic allready trunkated 
  If you see one, don't just add another Re: but remove
  all AW: and other chained Re:.

* Use a descriptive subject! A message titled A small wish
  doesn't tell what it is about. Better use something like
  should do xyz or crashes when doing xyz.

* If the topic of the thread changed/degrades meanwhile, change 
  the subject too. That means: Before you start to answer, have a look 
  into the subject your are going to reply to.
  For example use: New topic [WAS] old topic

* Always write one separate message per topic. some people (especially
  those who matter) might not read mixed-up and lengthy threads.

* Start a new thread when posting a new subject.

* Make emails as short as possible whilst keeping them comprehensible.

Don't
=

* Don't post in either HTML-only or in Text and HTML. If your mail
  client doesn't support this, change it.

* Don't top post.

* Don't give a one line answer having quoted the whole post.

* Don't use a too long signature. Approx. 4 lines should always be
  enought.

* Don't reply where you should have started a new thread. This
  means, make sure that you're not responding to an existing posting.
  Just changing the subject header and deleting any quoted text is
  NOT enough, because the message's header will still contain
  references to other messages.

* Don't break threads by sending a new mail, where you should have
  replied.

* Don't test post. Send your test posts to [EMAIL PROTECTED] or
  similar reply machines.

* Don't use lengthly disclaimers. If not possible, use a freemail
  account.

* Don't quote disclaimers and other footers.

General Etiquette
=

This can really be summed up in one phrase - 'be polite'.  

Allways use your 'Real Name' when posting to mailinglists or newsgroups.

If you think something is off-topic, don't reply to the list although 
you may want to send a short and *polite* note to the person privately 
telling them which list would be more appropriate; don't just say - 
that is OT here.

Before asking a question, please Have a look at the mailing list
archives at http://www.linuxtv.org/pipermail/vdr/

If someone flames or trolls the list, don't reply - it wastes everyones
bandwidth and time.

Don't reply to spam which gets through to the list - just ignore it when
it does.

Resources
=

* The ultimate guide to most matters to do with email etiquette is
  RFC-2822 which can be found at: 

  ftp://ftp.isi.edu/in-notes/rfc2822.txt

* A german site set up by some usenet-people, who take it even more
  serious with netiquette.

  http://learn.to/quote


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