ffdshow tryouts project: Discussion & Development

[haruhiko_yamagata]

Originally Posted by Yong

Hi, im here to report the ffdshow latest svn compiling problem,

1. compiling ffdshow.ax with msvc2008 sp1, comment out this 2 line compiling will work without any error.
IIRC older compiler, e.g. msvc 2005 and gcc also have problem with this 2 lines.

It depends on Platform SDK version. Which macro should we use to check SDK version?

2. when compiling the ff_wmv9.dll with mingw-gcc4.2.1sjlj

but msvc2008 sp1 compile just fine.

Im sorry if the infomations i provided are not enough..

GCC compilation of ffdshow.ax and ff_wmv9.dll was dropped at rev 2349. Please use MSVC9.

[Snowknight26]

Originally Posted by haruhiko_yamagata

It works only if libavcodec is used as decoder.

The only settings that were changed in my 2 screenshots was the order in which I checked the Visualization options. Both times the video was being decoded with libavcodec.

[haruhiko_yamagata]

Originally Posted by Snowknight26

The only settings that were changed in my 2 screenshots was the order in which I checked the Visualization options.

How is it different?

[Snowknight26]

Not entirely sure what you're asking.

[haruhiko_yamagata]

Can anybody help us to understand each other?

By the way, I'm going into bug fix/finalizing phase.
What is left for next stable release?

[fastplayer]

Revision 2390
Modified Sat Nov 29 13:23:50 2008 UTC (4 minutes, 39 seconds ago) by h_yamagata

libavcodec MPEG-2: fix timestamps issue (DVD)

Is this the issue MatMaul, me and a couple of others reported about?

[LoRd_MuldeR]

Originally Posted by haruhiko_yamagata

The graph renders the input bit rate. One column represents one frame. So there should be peaks and dips if a good encoder is used.

Doesn't look like that for me



Maybe the stream is CBR, but I don't think so. Even streaming isn't perfect CBR, but allows some local ratecontrol optimizations...

Originally Posted by haruhiko_yamagata

I can reproduce if the clip has mixed flags of interlaced and progressive. "Process frames flagged as progressive" is related.

The funny thing is: When I configure ffdshow "offline" the sliders work just fine.

But as soon as a media is playing, they go crazy. Move one slider, get the other one reset to zero.

Any chance for a fix?

[fastplayer]

Originally Posted by haruhiko_yamagata

What is left for next stable release?

I can tell you exactly what's left: A proper changelog!
I really hope that all devs have kept track of what they've added/changed/fixed since the beta5 release.
If you have something that's "readable", PM me!

[haruhiko_yamagata]

Originally Posted by fastplayer

Is this the issue MatMaul, me and a couple of others reported about?

Yes, it will be OK.

[haruhiko_yamagata]

Originally Posted by LoRd_MuldeR

Doesn't look like that for me



Maybe the stream is CBR, but I don't think so. Even streaming isn't perfect CBR, but allows some local ratecontrol optimizations...

It works better for me. What is the video format and which decoder is used?

The funny thing is: When I configure ffdshow "offline" the sliders work just fine.

But as soon as a media is playing, they go crazy. Move one slider, get the other one reset to zero.

Any chance for a fix?

Simply wait for the next build, please .

[haruhiko_yamagata]

Originally Posted by fastplayer

I can tell you exactly what's left: A proper changelog!
I really hope that all devs have kept track of what they've added/changed/fixed since the beta5 release.
If you have something that's "readable", PM me!

OK, I will update.
@developers, please add your work to the change log.

[fastplayer]

Originally Posted by haruhiko_yamagata

OK, I will update.
@developers, please add your work to the change log.

What changelog do you mean? Is there one I don't know about?

Once I have all the bits and pieces, I'll integrate it into the wiki-changelog, right here:
http://ffdshow-tryout.wiki.sourceforge.net/Changelog

FYI, the web documentation is dead. The wiki is the future:
http://ffdshow-tryout.wiki.sourceforge.net/
It's a bit easier to maintain and hopefully will encourage people to participate and add content. I said "hopefully" because nobody has added one single line since I set up the wiki a few months ago...
Multiple language support has been dropped because it's a pain-in-the-butt to keep it synchronized and I'd rather see all our efforts focused on one good documentation than on 3 mediocre ones... By the way, this was clsid's idea. So if you have a problem with that, argue with him. Yeah, good luck with that...

[LoRd_MuldeR]

Originally Posted by haruhiko_yamagata

It works better for me. What is the video format and which decoder is used?

Source: DVB Source, MPEG-2
Decoder: libavcodec mpeg2video

Originally Posted by haruhiko_yamagata

Simply wait for the next build, please .

[clsid]

The idea is to eventually have documentation in the Wiki for the many options that ffdshow has. Any volunteers that are willing to write some pieces of documentation? Even small pieces are welcome.

Perhaps we could let the installer create a link to the Wiki in the start menu (once the wiki has more content of course)? That would make it known to the general public. But before we allow the general public to edit the wiki it would be useful if there were some moderators that could monitor changes and undo vandalism.

[clsid]

Fresh builds will be online shortly

@Albain,
FFmpeg now appears to support decoding of DTS-HD:
http://svn.mplayerhq.hu/ffmpeg?view=rev&revision=15951

[fastplayer]

Originally Posted by clsid

But before we allow the general public to edit the wiki it would be useful if there were some moderators that could monitor changes and undo vandalism.

Permissions are already set to "public" and it has been like that for 3 months. So far nobody has done anything legally or illegally...
I'm keeping an eye on the "recent changes" list almost daily and I make backups regularly. So I wouldn't be too much concerned about abuse and such. I am more concerned about the lack of content...

[clsid]

The wiki is not easy to find. The default webpage view on SourceForge hides several menu items, including the wiki. So I suspect that is one of the reasons for the lack of activity.

[STaRGaZeR]

Originally Posted by haruhiko_yamagata

By the way, I'm going into bug fix/finalizing phase.
What is left for next stable release?

I would like to remember a very useful proposition Leak did back in October:

http://forum.doom9.org/showthread.ph...12#post1208512

http://forum.doom9.org/showthread.ph...26#post1208726

I'm asking mainly because forcing ATi's deinterlacer in soft telecined frames (for the reasons discussed before in this thread) produces bad effects if you send it the field information instead of just plain progressive frames. Maybe a simple checkbox could do the trick, that way the "Apply pulldown" option will remain effective (like it is now) or not (like it was in rev2236), users could decide.

[fastplayer]

Originally Posted by clsid

The wiki is not easy to find. The default webpage view on SourceForge hides several menu items, including the wiki. So I suspect that is one of the reasons for the lack of activity.

I agree and the wiki visual editor does not work with Opera and Safari browsers. Not exactly a show stopper but far from the user-friendliness and ease of use that wikis suggest...

[clsid]

Here are some bugs that have been reported in the past. Can anyone confirm if they are still present in revision 2391? If not, I will remove them from the bugtracker:

# Cubic blending deinterlacer doesn't work.
# Anamorphic MPEG-1 video displays with incorrect aspect ratio when using libavcodec as decoder.
# ttxt subtitles are always rendered in italic with small size and with times (new) roman font
# amr audio decoding doesn't work in 64-bit builds?

And here are a few more:
http://sourceforge.net/tracker/index...41&atid=867360
http://sourceforge.net/tracker/index...41&atid=867360
http://sourceforge.net/tracker/index...41&atid=867360
http://sourceforge.net/tracker/index...41&atid=867360
http://sourceforge.net/tracker/index...41&atid=867360
http://sourceforge.net/tracker/index...41&atid=867360
http://sourceforge.net/tracker/index...41&atid=867360