Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-09 Thread Jeff Simpson
 Basically the PVR350 is just that: a PVR, intended to be used in
 hardware recorders and things like that (and I know it is in fact used
 in some HW recorders). It's not for mpeg4 playback, etc. Although you
 can use a software decoder and XV to do the playback. The XV stuff is
 pretty efficient as it uses DMA to get the picture to the card, but
 using the framebuffer directly is really inefficient as it uses PIO to
 get the data to the card, which is a notoriously slow method.
 The same is true for DVD playback: it isn't designed for that
 (unfortunately). Again, you can use XV for that so you can at least
 utilitize the excellent TV-out quality of the PVR350.

I actually just gave dvd playback another chance with the latest
version of X, ivtv, and the xdriver, and was pleasantly surprised!

xine -V xv -f dvd://

works marvelously and doesn't seem to skip at all. I use the same
command for playing other video formats and get equally good results.
Much improved from the last time I tried it.

The downside is that the latest xdriver/ivtv version has managed to
slow the framebuffer drawing down even more. I can actually see it
drawing widgets on the screen in layers it's so slow with each screen
of options it loads. i don't suppose there's any way to fix that,
though.

 - Jeff

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-09 Thread kevin thayer
Not sure if that's a recent 'break', but the pvr350
*can* ff/rw (like a vcr), but good support for that
hasn't been written into mythtv yet.

Mine does a 3x ff, and that's about it, but it IS
still ff'ding

And for the record, i think that the pvr cards are
really only useful when you have an old box lying
around and you want to make it a pvr. If you have even
a moderately fast box, why not buy a $30 capture card
and let it decode/encode in software?

The 350 is a special case IMHO because of the
excellent video output quality, but you're still
locked in to mpeg-2.

-tmk

--- Jeff Simpson [EMAIL PROTECTED] wrote:

   Only if you want a limited-use frontend. You can
 only play mpeg2 on
   it, which means no automatic transcoding, no
 dvds, etc. It is a good
   way to breathe life into older hardware, but I
 can't recommend this
   card to anyone with a fast machine.
 
  That's what I use it for: an advanced VCR.
 
 VCRs can fast forward and rewind. The PVR-350 can't,
 it's not supported.
 
  - Jeff
 
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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-09 Thread Brendan Hoar
On Fri, 9 Feb 2007, kevin thayer wrote:
 And for the record, i think that the pvr cards are
 really only useful when you have an old box lying
 around and you want to make it a pvr. If you have even
 a moderately fast box, why not buy a $30 capture card
 and let it decode/encode in software?

Because you want to use 4-5 tuners at once to record in parallel?  :)

My bigger concern on the pvr/ivtv issue is that HDTV is here to stay (in
the US)  and coming (elsewhere).  Semi on-topic, I wonder what the plans
are in europe and asia-pac for the sdtv-hdtv transition.  If it's
pretty well staggered, then the pvr cards and ivtv will continue to have
a long life.

I happen to still have analog cable (one of the last few holdouts) and
one reason is so that I can continue to add tuners as my, and my SO's
watching interests evolve over time.  Avoiding conflicts is key...

...the other reason is that the local cable company is actually my
neighbor (we're on the same block two doors apart) and they gave the
adjacent businesses and 2nd floor apartments free cable in perpetuity!

This was in exchange for having completely ripped out our parking lot
for a couple of months about eight years ago in order to lay all their
shiny new digital cable.  I fear moving to digital will mean they'll
forget all about that arrangement...  :)

-brendan

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-08 Thread Erik Mouw
On Wed, Feb 07, 2007 at 03:02:12PM -0500, Jeff Simpson wrote:
  However, the PVR350 allows you to use rather moderate hardware for a
  front- and backend (i.e.: my old P3 850 as combined front+backend and
  a PII 300 as a second frontend).
 
 Only if you want a limited-use frontend. You can only play mpeg2 on
 it, which means no automatic transcoding, no dvds, etc. It is a good
 way to breathe life into older hardware, but I can't recommend this
 card to anyone with a fast machine.

That's what I use it for: an advanced VCR.

   #3, Framebuffer is slow slow slow slow, and it EATS cpu. I have a 3ghz
   machine, but the menus are still slow. I often find the X session
   using 50 or 60% of my cpu, just SITTING there.
 
  Never seen that. An idle machine is just idle over here. Occasionally
  Xorg tends to eat 100% CPU time, but that seems to be unrelated to Myth
  cause the same happens occasionally on my desktop.
 
 I see it often if I leave it in the list of recordings where it shows
 a small preview, that alone will eat up 30-40% of cpu. actually using
 it to display something eats more. The hacks to let you play a DVD or
 other format of video through XV on the PVR output are just that -
 hacks. They eat a LOT of CPU that a normal accelerated card would not
 have to.

Ah, that must be it. I switched life preview off immediately after
install cause I didn't like it. I haven't even noticed it was eating
CPU.

   Forget trying to run it
   at the same time as another X session, it jumps to a full 100%.
   Playing anything that isn't a native mpeg2 video makes the system
   crawl.
 
  If you only use PVR x50 cards to record the problem doesn't exist.
 
 only if you don't auto-transcode to mpeg4, watch dvds, or use the myth
 box for anything that isn't just plain old TV. Myth isn't just for
 SDTV, it's supposed to be the everything box.

Only SDTV over here in .nl. The local cable monopolist (UPC) offers
digital TV but that's only SDTV resolution and only possible to
receive with their own setup box (i.e.: not DVB-C compatible).

 I also can't use
 mythgame on the PVR-350 at all, since it can't scale or accelerate.
 Games like stepmania that would be great on a myth box can't be played
 on a graphics card without openGL and acceleration.

I'm not a gamer and neither is my wife :)

   #3 XDriver is a great project, but it's always been buggy at best, and
   difficult to compile (with each version of X, the driver has needed
   another patch or hack just to compile). I think now that it's in some
   repositories (gentoo), it's better? (I've still had to patch it, but
   maybe by now it's better).
 
  FWIW, it never crashed on me.
 
 Mine doesn't crash either. But it is buggy. Switching VTs results in
 garbage on one of the main screens on my other card when I use the
 framebuffer, if I kill X and restart it, the screen is garbled until I
 play an mpeg video, at which point it fixes it, small little bugs. And
 a LOT of hacking around just to make it work in the first place. It's
 not plug-and-play like a typical video card is.

Never seen that, but I have a dedicated mythtv box (or rather: I have
two).

   So in summary, the PVR-350 *does* work, it just isn't as fully
   supported as say, any nvidia or ati tv out card made in the last 5
   years for 1/4 of the cost. The video encoding is well supported, just
   like the 150/250/500, it's just the output that's flaky. In my own
   personal opinion, having owned a PVR-350, I would say that I'd be
   better off owning a 150 and an nvidia geforce card with TV Out.
 
  I diagree. A PVR 150 is about 85 EUR, for 140 EUR you have a 350. That
  difference does buy you a ati or nvidia card with tv out (cheapest is
  around 40 EUR), but doesn't buy you a CPU fast enough to do the
  decoding, especially when you have some old hardware lying around.
 
 If you only want the bare minimum of what myth has to offer, than the
 PVR-350 will do it. But if you want advanced PVR features like
 fast-forward and rewind, you need a supported card. It's sad but
 it's true.

That's indeed all I want :)

 I really like the idea of the PVR-350, the idea that the
 hardware can do all the tedious decoding and save the processor for
 the real work. The problem is not many people use the card, and as
 such, support for it is lacking. It's the same reason I wouldn't want
 to use an alpha or sparc machine. The architecture is great, but
 software support is terrible.

If all you want is a PVR, the PVR-350 is a great card.


Erik

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-08 Thread Jeff Simpson
  Only if you want a limited-use frontend. You can only play mpeg2 on
  it, which means no automatic transcoding, no dvds, etc. It is a good
  way to breathe life into older hardware, but I can't recommend this
  card to anyone with a fast machine.

 That's what I use it for: an advanced VCR.

VCRs can fast forward and rewind. The PVR-350 can't, it's not supported.

 - Jeff

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-08 Thread Mike Shields



VCRs can fast forward and rewind. The PVR-350 can't, it's not supported.



Are you talking about the speed adjust? It can certainly skip forward and
backward in time.

The only thing I'm aware that it can't do is the speed up/slow down -- I
have another frontend that can use that feature (nvidia video card) but...
vcr's don't do that. I suppose a vcr plays fast and plays in reverse in
ff and rw respectively but it doesn't speed the sound up like the myth
feature does. On a vcr you fast forward to skip something or get somewhere
else, not to watch something fast. I digress - for skipping forward by
seconds, minutes, etc, the pvr350 decoder out works just fine for me. My
wife would kill me if it couldn't skip commercials.

My mythbox is, I suppose, a bit more than a advanced vcr - but I have never
had any desire to auto-transcode anything, play games, or anything else that
the pvr350's out can't do. It does what a tivo does but skips
commercials and that's exactly what I need. Certainly, if you want a
machine to play dvd's, games, or video files encoded with random codecs,
you're going to need more general-purpose hardware -- bigger cpu and
accelerated video out (and a dvd drive - I don't even have one of those in
any of my myth systems!). That's not, nor has it ever been, the pvr350's
niche.

I'd just say that I think mythtv + pvr350 decoder out is a great thing - it
works amazingly well on my P3-650 front/back-end and if it disappeared it
would be a great shame -- I, and I assume many others, would be stuck on old
versions of software or forced to upgrade hardware. If it's ever seriously
threatened that it'll be removed due to lack of interest or code rot, I'll
volunteer now to step up and help maintain it.

Mike
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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-08 Thread Erik Mouw
On Thu, Feb 08, 2007 at 09:35:54AM -0500, Jeff Simpson wrote:
   Only if you want a limited-use frontend. You can only play mpeg2 on
   it, which means no automatic transcoding, no dvds, etc. It is a good
   way to breathe life into older hardware, but I can't recommend this
   card to anyone with a fast machine.
 
  That's what I use it for: an advanced VCR.
 
 VCRs can fast forward and rewind. The PVR-350 can't, it's not supported.

On VCRs you usually use fast forward or rewind to skip to an
interesting part of the recording. Because of the sequential access of
the tape, you can only do that by going through all intermediate
frames. Even a 10 second skip would take several seconds because the
tape deck would have to switch to fast forward mode, roll 10 seconds of
tape, swith back to play mode, let the PLL lock again on the video
frame and finally display the frame. That took quite some time so
manufacturers added the possibility to do fast forward with view at the
same time, but to be honest, that's only a hack because you really want
an immediate 10 second skip.

Because it is backed by a randomly accesible medium like the hard
drive, the PVR-350 can do such immediate 10 second skips without
showing any of the intermediate frames. In my opinion that is an
advantage over the traditional tape based VCR.


Erik

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-07 Thread Erik Mouw
On Wed, Feb 07, 2007 at 10:07:28AM -0500, Ricardo Lugo wrote:
 On Feb 6, 2007, at 10:04 AM, Jeff Simpson wrote:
 
  #3, Framebuffer is slow slow slow slow, and it EATS cpu. I have a 3ghz
  machine, but the menus are still slow. I often find the X session
  using 50 or 60% of my cpu, just SITTING there. Forget trying to run it
  at the same time as another X session, it jumps to a full 100%.
  Playing anything that isn't a native mpeg2 video makes the system
  crawl.
 
 Yup, writing directly to the framebuffer is slow. And yes, it is the  
 main source of problems with the OSD in Myth.

What OSD problems? Curious, cause I haven't had any so far.

 That's why the 350 framebuffer support should be taken out of Myth,  
 not the entire support for the PVR-350.

If that means that you can't use a PVR-350 to display both menu and
video, I don't agree. It's one of the major advantages of the 350: one
card does all.


Erik

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-07 Thread Jeff Simpson
  #1, MPEG Output on the PVR-350 is working, but mostly unsupported by
  advanced features. Things like fast forward and rewind don't work,
  frequency scaling doesn't work, things like that. It does technically
  still play video, but only native MPEG2 (no mpeg4, no alternate
  formats, etc). The only way to play anything that isn't a native
  recording is to use the framebuffer or xdriver, whose faults are
  described later.

 However, the PVR350 allows you to use rather moderate hardware for a
 front- and backend (i.e.: my old P3 850 as combined front+backend and
 a PII 300 as a second frontend).

Only if you want a limited-use frontend. You can only play mpeg2 on
it, which means no automatic transcoding, no dvds, etc. It is a good
way to breathe life into older hardware, but I can't recommend this
card to anyone with a fast machine.

  #2, Myth is moving to OpenGL for menus. It now supports OpenGL and qt
  and you can switch between them. I can't imagine they will continue to
  provide both options for much longer. The PVR-350 doesn't support
  OpenGL and never will.

 I don't know the reason for switching to OpenGL, the Qt engine still
 works fine. One way to support OpenGL on the 350 would be to use Mesa,
 but that would be another layer of indirection that will slow down the
 system.

exactly. I did try that, but mesa made the framebuffer output on the
350 even slower than it already is. It was unbearable and took all my
CPU.

  #3, Framebuffer is slow slow slow slow, and it EATS cpu. I have a 3ghz
  machine, but the menus are still slow. I often find the X session
  using 50 or 60% of my cpu, just SITTING there.

 Never seen that. An idle machine is just idle over here. Occasionally
 Xorg tends to eat 100% CPU time, but that seems to be unrelated to Myth
 cause the same happens occasionally on my desktop.

I see it often if I leave it in the list of recordings where it shows
a small preview, that alone will eat up 30-40% of cpu. actually using
it to display something eats more. The hacks to let you play a DVD or
other format of video through XV on the PVR output are just that -
hacks. They eat a LOT of CPU that a normal accelerated card would not
have to.

  Forget trying to run it
  at the same time as another X session, it jumps to a full 100%.
  Playing anything that isn't a native mpeg2 video makes the system
  crawl.

 If you only use PVR x50 cards to record the problem doesn't exist.

only if you don't auto-transcode to mpeg4, watch dvds, or use the myth
box for anything that isn't just plain old TV. Myth isn't just for
SDTV, it's supposed to be the everything box. I also can't use
mythgame on the PVR-350 at all, since it can't scale or accelerate.
Games like stepmania that would be great on a myth box can't be played
on a graphics card without openGL and acceleration.

  #3 XDriver is a great project, but it's always been buggy at best, and
  difficult to compile (with each version of X, the driver has needed
  another patch or hack just to compile). I think now that it's in some
  repositories (gentoo), it's better? (I've still had to patch it, but
  maybe by now it's better).

 FWIW, it never crashed on me.

Mine doesn't crash either. But it is buggy. Switching VTs results in
garbage on one of the main screens on my other card when I use the
framebuffer, if I kill X and restart it, the screen is garbled until I
play an mpeg video, at which point it fixes it, small little bugs. And
a LOT of hacking around just to make it work in the first place. It's
not plug-and-play like a typical video card is.

  So in summary, the PVR-350 *does* work, it just isn't as fully
  supported as say, any nvidia or ati tv out card made in the last 5
  years for 1/4 of the cost. The video encoding is well supported, just
  like the 150/250/500, it's just the output that's flaky. In my own
  personal opinion, having owned a PVR-350, I would say that I'd be
  better off owning a 150 and an nvidia geforce card with TV Out.

 I diagree. A PVR 150 is about 85 EUR, for 140 EUR you have a 350. That
 difference does buy you a ati or nvidia card with tv out (cheapest is
 around 40 EUR), but doesn't buy you a CPU fast enough to do the
 decoding, especially when you have some old hardware lying around.

If you only want the bare minimum of what myth has to offer, than the
PVR-350 will do it. But if you want advanced PVR features like
fast-forward and rewind, you need a supported card. It's sad but
it's true. I really like the idea of the PVR-350, the idea that the
hardware can do all the tedious decoding and save the processor for
the real work. The problem is not many people use the card, and as
such, support for it is lacking. It's the same reason I wouldn't want
to use an alpha or sparc machine. The architecture is great, but
software support is terrible.

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-07 Thread Wilhelm Eger
Zitat von Jeff Simpson [EMAIL PROTECTED]:

 I see it often if I leave it in the list of recordings where it shows
 a small preview, that alone will eat up 30-40% of cpu. actually using
 it to display something eats more. The hacks to let you play a DVD or
 other format of video through XV on the PVR output are just that -
 hacks. They eat a LOT of CPU that a normal accelerated card would not
 have to.

All I can say about this is: It works. I use to view all kind of divx/xvid
whatever non mpeg stuff through my PVR 350's TV out with the xdriver and xine
(through Mythtv). And it is smooth. First I had an Athlon 500 now a Geode NX
1750

Greetings, Wilhelm




This mail was sent through http://webmail.uni-jena.de

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-06 Thread Jeff Simpson
On 2/1/07, Hans Verkuil [EMAIL PROTECTED] wrote:
 Hi all,

 Recently I've seen several comments that PVR350 support would not work
 or would be removed from MythTV. While it is true that there is no
 current maintainer for the PVR350 code in MythTV (AFAIK), that doesn't
 mean that it doesn't work. The ivtv API is still unchanged and as long
 as the code remains in MythTV it should work just fine.

As I was probably a person who made some of those comments, I feel I
should back them up:

#1, MPEG Output on the PVR-350 is working, but mostly unsupported by
advanced features. Things like fast forward and rewind don't work,
frequency scaling doesn't work, things like that. It does technically
still play video, but only native MPEG2 (no mpeg4, no alternate
formats, etc). The only way to play anything that isn't a native
recording is to use the framebuffer or xdriver, whose faults are
described later.

#2, Myth is moving to OpenGL for menus. It now supports OpenGL and qt
and you can switch between them. I can't imagine they will continue to
provide both options for much longer. The PVR-350 doesn't support
OpenGL and never will.

#3, Framebuffer is slow slow slow slow, and it EATS cpu. I have a 3ghz
machine, but the menus are still slow. I often find the X session
using 50 or 60% of my cpu, just SITTING there. Forget trying to run it
at the same time as another X session, it jumps to a full 100%.
Playing anything that isn't a native mpeg2 video makes the system
crawl.

#3 XDriver is a great project, but it's always been buggy at best, and
difficult to compile (with each version of X, the driver has needed
another patch or hack just to compile). I think now that it's in some
repositories (gentoo), it's better? (I've still had to patch it, but
maybe by now it's better).

So in summary, the PVR-350 *does* work, it just isn't as fully
supported as say, any nvidia or ati tv out card made in the last 5
years for 1/4 of the cost. The video encoding is well supported, just
like the 150/250/500, it's just the output that's flaky. In my own
personal opinion, having owned a PVR-350, I would say that I'd be
better off owning a 150 and an nvidia geforce card with TV Out.

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-06 Thread Erik Mouw
On Tue, Feb 06, 2007 at 10:04:56AM -0500, Jeff Simpson wrote:
 On 2/1/07, Hans Verkuil [EMAIL PROTECTED] wrote:
  Hi all,
 
  Recently I've seen several comments that PVR350 support would not work
  or would be removed from MythTV. While it is true that there is no
  current maintainer for the PVR350 code in MythTV (AFAIK), that doesn't
  mean that it doesn't work. The ivtv API is still unchanged and as long
  as the code remains in MythTV it should work just fine.
 
 As I was probably a person who made some of those comments, I feel I
 should back them up:
 
 #1, MPEG Output on the PVR-350 is working, but mostly unsupported by
 advanced features. Things like fast forward and rewind don't work,
 frequency scaling doesn't work, things like that. It does technically
 still play video, but only native MPEG2 (no mpeg4, no alternate
 formats, etc). The only way to play anything that isn't a native
 recording is to use the framebuffer or xdriver, whose faults are
 described later.

However, the PVR350 allows you to use rather moderate hardware for a
front- and backend (i.e.: my old P3 850 as combined front+backend and
a PII 300 as a second frontend).

 #2, Myth is moving to OpenGL for menus. It now supports OpenGL and qt
 and you can switch between them. I can't imagine they will continue to
 provide both options for much longer. The PVR-350 doesn't support
 OpenGL and never will.

I don't know the reason for switching to OpenGL, the Qt engine still
works fine. One way to support OpenGL on the 350 would be to use Mesa,
but that would be another layer of indirection that will slow down the
system.

 #3, Framebuffer is slow slow slow slow, and it EATS cpu. I have a 3ghz
 machine, but the menus are still slow. I often find the X session
 using 50 or 60% of my cpu, just SITTING there.

Never seen that. An idle machine is just idle over here. Occasionally
Xorg tends to eat 100% CPU time, but that seems to be unrelated to Myth
cause the same happens occasionally on my desktop.

 Forget trying to run it
 at the same time as another X session, it jumps to a full 100%.
 Playing anything that isn't a native mpeg2 video makes the system
 crawl.

If you only use PVR x50 cards to record the problem doesn't exist.

 #3 XDriver is a great project, but it's always been buggy at best, and
 difficult to compile (with each version of X, the driver has needed
 another patch or hack just to compile). I think now that it's in some
 repositories (gentoo), it's better? (I've still had to patch it, but
 maybe by now it's better).

FWIW, it never crashed on me.

 So in summary, the PVR-350 *does* work, it just isn't as fully
 supported as say, any nvidia or ati tv out card made in the last 5
 years for 1/4 of the cost. The video encoding is well supported, just
 like the 150/250/500, it's just the output that's flaky. In my own
 personal opinion, having owned a PVR-350, I would say that I'd be
 better off owning a 150 and an nvidia geforce card with TV Out.

I diagree. A PVR 150 is about 85 EUR, for 140 EUR you have a 350. That
difference does buy you a ati or nvidia card with tv out (cheapest is
around 40 EUR), but doesn't buy you a CPU fast enough to do the
decoding, especially when you have some old hardware lying around.


Erik

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-02 Thread Hans Verkuil
On Friday 02 February 2007 01:56, Sam Varshavchik wrote:
 Boleslaw Ciesielski writes:
  Sam Varshavchik wrote:
  The problem I have is with the ivtv_fb.ko
  module.  It loads without any errors, but TV-Out remains a blue
  screen in 0.9; unlike in 0.8 where upon loading ivtv_fb.ko, which
  happens long before starting X and loading ivtv_xdriver, the
  TV-Out signal drops from blue to green to black.  That does not
  happen with 0.9's ivtv_fb.ko, it remains at its initial power-up
  state of solid blue.  I can see from Xorg's logs that it starts up
  and apparently continues to run fine, thinking that there's
  nothing wrong with the framebuffer, except that nothing actually
  appears on TV-Out.
 
  Forgive me if it's already been covered, but are you sure that you
  don't have the missing saa7127 problem?

 That's the next thing I'm going to look into.  I wasn't aware of this
 issue until yesterday, when I trawled Google again.  There's nothing
 in /var/log/messages that complains about any missing module.  If
 something yelled loud and hard, at me, about some missing module, I
 would've picked it up right away.  grepping for saa7127 in
 /var/log/messages comes up empty, but I'm going to try building it.

I was wondering myself why the yell was missing: turns out to be a 
driver bug. It will yell if the saa7127 driver was compiled as a kernel 
module and the kernel module was missing, but it would say nothing if 
it wasn't in the kernel at all! This is now fixed and will be in the 
next ivtv release.

Thanks,

Hans

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Re: [ivtv-devel] [ivtv-users] PVR-350 and MythTV support

2007-02-01 Thread Sam Varshavchik

Boleslaw Ciesielski writes:


Sam Varshavchik wrote:
The problem I have is with the ivtv_fb.ko 
module.  It loads without any errors, but TV-Out remains a blue screen 
in 0.9; unlike in 0.8 where upon loading ivtv_fb.ko, which happens long 
before starting X and loading ivtv_xdriver, the TV-Out signal drops from 
blue to green to black.  That does not happen with 0.9's ivtv_fb.ko, it 
remains at its initial power-up state of solid blue.  I can see from 
Xorg's logs that it starts up and apparently continues to run fine, 
thinking that there's nothing wrong with the framebuffer, except that 
nothing actually appears on TV-Out.


Forgive me if it's already been covered, but are you sure that you don't 
have the missing saa7127 problem?


That's the next thing I'm going to look into.  I wasn't aware of this issue 
until yesterday, when I trawled Google again.  There's nothing in 
/var/log/messages that complains about any missing module.  If something 
yelled loud and hard, at me, about some missing module, I would've picked it 
up right away.  grepping for saa7127 in /var/log/messages comes up empty, 
but I'm going to try building it.





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