DGAVCDec 1.0.9 - Page 10

foxyshadis · 16th March 2007, 21:44

ffdshow incorporates a MSVC-buildable version of libavcodec. Very helpful for debugging, but I know a couple of months ago it wasn't quite buildable anymore. I've seen a few MSVC compatibility messages go through svn since then, not sure of the exact status now, I'll test when I get home. That might be simpler to use than the raw ffmpeg version. (MSVC can't do any of the inline asm, though.)

Inventive Software · 16th March 2007, 22:18

I think libavcodec was recently made MSVC buildable according to the SVN changelog...

ToS_Maverick · 16th March 2007, 23:40

just a small bug report:
- if the disk is full, dgavcindex continues, without an error, but the file is incomplete, because the disk is full

foxyshadis · 17th March 2007, 11:12

Okay, it builds fine in VC 2005. Can't test whether the VC 2003 project is up to date. If you want to check it out, it's under sourceforge project ffdshow-tryout, path /trunk/src/ffmpeg, and it will build the dll by default in /trunk/bin. Of course, you can strip out all the extraneous codecs.

It has some dependencies on ffdshow, mainly replacing its codec naming/ordering etc with ffdshow's, and some ffdshow-specific hooks, so it's worth checking the whole project out, or at least the trunk branch. Any patch you make against it should be applyable back onto the svn ffmpeg code.

Guest · 17th March 2007, 14:30

Is there a free version of VC 2005 that will build it? I still use VC 6.0

Does it also build the libs needed to dynamically link the DLLs?

orbitlee · 17th March 2007, 15:23

Quote:

Originally Posted by neuron2

Is there a free version of VC 2005 that will build it? I still use VC 6.0

Does it also build the libs needed to dynamically link the DLLs?

@neuron2: VC2005 Express edition is free.
http://msdn.microsoft.com/vstudio/express/support/faq/

Eastermeyer · 17th March 2007, 17:48

I would appreciate a version based on the reference implentation by JM , because of the PAFF-Support and the Accurancy.

Inventive Software · 17th March 2007, 18:48

Quote:

Originally Posted by neuron2

I still use VC 6.0

Dinosaur!

VC Express is indeed the way to go for a free kit. I think they were doing the VC2003 binaries a while ago too, not sure if they're still kicking around MSDN somewhere.

lucassp · 17th March 2007, 18:57

Quote:

Originally Posted by Eastermeyer

I would appreciate a version based on the reference implentation by JM , because of the PAFF-Support and the Accurancy.

it would be nice. but that will take a lot of time to optimize. i don't want to even imagine how fast it will run on my A64 3000+@2,34GHz

bond · 17th March 2007, 19:05

the reference is damn slow. i doubt people would be happy reencoding their stuff a whole week

Guest · 17th March 2007, 19:12

Quote:

Originally Posted by bond

the reference is damn slow.

Well yes, but so was the reference MPEG2 decoder that developed into the heart of DVD2AVI, DGMPGDec, etc. I'm still mulling it over.

foxyshadis · 18th March 2007, 14:42

Quote:

Originally Posted by neuron2

Does it also build the libs needed to dynamically link the DLLs?

Yeah, the libs will show up in ./Release (Debug, whatever), and not the bin folder, though.

Guest · 19th March 2007, 14:19

OK, thank you. I have managed to build it using VC 2005. Now it seems sensible to just make DGAVCIndex buildable under VC 2005 and then incorporate the AVC decoder code directly, so that no external DLL is necessary.

Then add PAFF.

BTW, active SPS/PPS management is something of a nightmare for random access.

Hans Ohlo · 19th March 2007, 17:20

Quote:

Originally Posted by neuron2

Then add PAFF.

.... oh 'then' :/

bob0r · 20th March 2007, 18:45

@neuron2

Only if you care:
Video: MPEG4 Video (H264) 960x1088 [Video] <-- AR 16:9
(from canal ad on hispasat 30 west)
(maybe bond is interested too, how crappy it looks)

But for DGAVCDEC testing purposes:
Canal.AD.ts 23mb

(playback: mpc internal .ts splitter works, haali splitter says: Unspecified error, reported to Haali)

bond · 20th March 2007, 19:27

Quote:

Originally Posted by bob0r

Only if you care:
Video: MPEG4 Video (H264) 960x1088 [Video] <-- AR 16:9
(from canal ad on hispasat 30 west)
(maybe bond is interested too, how crappy it looks)

yeah gimme gimme. at the start bbc also used that res

SeeMoreDigital · 20th March 2007, 20:03

Quote:

Originally Posted by bob0r

But for DGAVCDEC testing purposes:
Canal.AD.ts 23mb

(playback: mpc internal .ts splitter works, haali splitter says: Unspecified error, reported to Haali)

Jeez....

That sample contains six different "Program" sectors. Only the last one (Program 900) contains the video and audio stream.

G_M_C · 22nd March 2007, 09:21

I want to make this post just to thank you, and compliment you on your excellent work.

I've just used DGAVCIndex to succesfully replace the video on my DVD with a, resized but very much improved, AVC-720p version

My DVD went from OK to sublime after the replacing (50i PAL to PAL anamorphic 25 fps progressive). So for me the tool works like a charm.

Now only VC-1 is left to do, as far as i can read around here, and all HD-possible formats can be input in AviSynth succesfully (i.e. without using DSS() ).

So

Guest · 22nd March 2007, 13:20

Glad to hear it. But there's still a lot of work to do. Right now I am in the midst of upgrading to VC++ 2005 and pulling in libavcodec code so that I will be able to develop and debug transparently, without the hassle of DLLs built in a different environment, etc.

Guest · 27th March 2007, 03:13

Just a little progress update in case you're wondering what is going on.

Recall that I am in the process of moving to the ffdshow-tryouts based code that will allow me to build the DLLs using Visual Studio and later integrate the code directly, eliminating the DLLs. That will greatly simplify further development and debugging, especially adding PAFF support.

Converting DGAVCIndex and DGAVCDecode for building under Visual Studio 2005 Express was straightforward. (I also did it for DGMPGDec.)

The first problem I ran into was that the ffdshow-tryouts build of ffmpeg's DLLs includes only a stub for libavformat, whereas I was heavily relying on it. So I had to find a way to use libavcodec for H264 decoding without libavformat. I have now accomplished that successfully.

The next step is to convert from the DLLs built in the pseudo-linux (MSYS) environment to the DLLs built in the ffdshow-tryouts environment. At that point everything will be buildable and debuggable using Visual Studio. After that I will integrate the decoder directly and eliminate the DLLS. Then proper development of needed functionality will resume.

16th March 2007, 22:18	#182 \| Link
Inventive Software Turkey Machine Join Date: Jan 2005 Location: Lowestoft, UK (but visit lots of places with bribes [beer]) Posts: 1,953	I think libavcodec was recently made MSVC buildable according to the SVN changelog... __________________ On Discworld it is clearly recognized that million-to-one chances happen 9 times out of 10. If the hero did not overcome huge odds, what would be the point? Terry Pratchett - The Science Of Discworld

17th March 2007, 14:30	#185 \| Link
Guest Guest Join Date: Jan 2002 Posts: 21,907	Is there a free version of VC 2005 that will build it? I still use VC 6.0 Does it also build the libs needed to dynamically link the DLLs? Last edited by Guest; 17th March 2007 at 14:33.

17th March 2007, 17:48	#187 \| Link
Eastermeyer Happy Easter! Join Date: Aug 2005 Posts: 73	I would appreciate a version based on the reference implentation by JM , because of the PAFF-Support and the Accurancy. __________________ Sorry for my terrible English! I am from Germany.

17th March 2007, 19:05	#190 \| Link
bond Registered User Join Date: Nov 2001 Posts: 9,770	the reference is damn slow. i doubt people would be happy reencoding their stuff a whole week __________________ Between the weak and the strong one it is the freedom which oppresses and the law that liberates (Jean Jacques Rousseau) I know, that I know nothing (Socrates) MPEG-4 ASP FAQ \| AVC/H.264 FAQ \| AAC FAQ \| MP4 FAQ \| MP4Menu stores DVD Menus in MP4 (guide) Ogg Theora \| Ogg Vorbis use WM9 today and get Micro$oft controlling the A/V market tomorrow for free

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16th March 2007, 21:44	#181 \| Link
foxyshadis ангел смерти Join Date: Nov 2004 Location: Lost Posts: 9,555	ffdshow incorporates a MSVC-buildable version of libavcodec. Very helpful for debugging, but I know a couple of months ago it wasn't quite buildable anymore. I've seen a few MSVC compatibility messages go through svn since then, not sure of the exact status now, I'll test when I get home. That might be simpler to use than the raw ffmpeg version. (MSVC can't do any of the inline asm, though.)

16th March 2007, 23:40	#183 \| Link
ToS_Maverick x264 Tester Join Date: Dec 2005 Location: Austria, near Vienna Posts: 223	just a small bug report: - if the disk is full, dgavcindex continues, without an error, but the file is incomplete, because the disk is full

17th March 2007, 11:12	#184 \| Link
foxyshadis ангел смерти Join Date: Nov 2004 Location: Lost Posts: 9,555	Okay, it builds fine in VC 2005. Can't test whether the VC 2003 project is up to date. If you want to check it out, it's under sourceforge project ffdshow-tryout, path /trunk/src/ffmpeg, and it will build the dll by default in /trunk/bin. Of course, you can strip out all the extraneous codecs. It has some dependencies on ffdshow, mainly replacing its codec naming/ordering etc with ffdshow's, and some ffdshow-specific hooks, so it's worth checking the whole project out, or at least the trunk branch. Any patch you make against it should be applyable back onto the svn ffmpeg code.

19th March 2007, 14:19	#193 \| Link
Guest Guest Join Date: Jan 2002 Posts: 21,907	OK, thank you. I have managed to build it using VC 2005. Now it seems sensible to just make DGAVCIndex buildable under VC 2005 and then incorporate the AVC decoder code directly, so that no external DLL is necessary. Then add PAFF. BTW, active SPS/PPS management is something of a nightmare for random access.

20th March 2007, 18:45	#195 \| Link
bob0r Pain and suffering Join Date: Jul 2002 Posts: 1,337	@neuron2 Only if you care: Video: MPEG4 Video (H264) 960x1088 [Video] <-- AR 16:9 (from canal ad on hispasat 30 west) (maybe bond is interested too, how crappy it looks) But for DGAVCDEC testing purposes: Canal.AD.ts 23mb (playback: mpc internal .ts splitter works, haali splitter says: Unspecified error, reported to Haali)

22nd March 2007, 09:21	#198 \| Link
G_M_C Registered User Join Date: Feb 2006 Posts: 1,076	I want to make this post just to thank you, and compliment you on your excellent work. I've just used DGAVCIndex to succesfully replace the video on my DVD with a, resized but very much improved, AVC-720p version My DVD went from OK to sublime after the replacing (50i PAL to PAL anamorphic 25 fps progressive). So for me the tool works like a charm. Now only VC-1 is left to do, as far as i can read around here, and all HD-possible formats can be input in AviSynth succesfully (i.e. without using DSS() ). So

22nd March 2007, 13:20	#199 \| Link
Guest Guest Join Date: Jan 2002 Posts: 21,907	Glad to hear it. But there's still a lot of work to do. Right now I am in the midst of upgrading to VC++ 2005 and pulling in libavcodec code so that I will be able to develop and debug transparently, without the hassle of DLLs built in a different environment, etc.

27th March 2007, 03:13	#200 \| Link
Guest Guest Join Date: Jan 2002 Posts: 21,907	Just a little progress update in case you're wondering what is going on. Recall that I am in the process of moving to the ffdshow-tryouts based code that will allow me to build the DLLs using Visual Studio and later integrate the code directly, eliminating the DLLs. That will greatly simplify further development and debugging, especially adding PAFF support. Converting DGAVCIndex and DGAVCDecode for building under Visual Studio 2005 Express was straightforward. (I also did it for DGMPGDec.) The first problem I ran into was that the ffdshow-tryouts build of ffmpeg's DLLs includes only a stub for libavformat, whereas I was heavily relying on it. So I had to find a way to use libavcodec for H264 decoding without libavformat. I have now accomplished that successfully. The next step is to convert from the DLLs built in the pseudo-linux (MSYS) environment to the DLLs built in the ffdshow-tryouts environment. At that point everything will be buildable and debuggable using Visual Studio. After that I will integrate the decoder directly and eliminate the DLLS. Then proper development of needed functionality will resume.