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Old 31st December 2005, 00:50   #1  |  Link
paviko
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HDVSplit 0.75 - utility for capturing HDV with scene split by timestamp

Hi!
I've not found any free utility that is able to capture from HDV camcorders and split to scenes like it is common for DV camcorders. So here it is my approach to HDV capturing - HDVSplit. Utility that allows Windows users to capture and split their HDV footage to scenes.
To download and read "How To", look at my home page.

TODO:
- Simple cutting of m2t files with GOP accuracy

Version changes:
Version 0.75 - 05.03.2006
- fixed crash on exit when MPEG2 decoder could not be found
- added detection of dropped frames/packets during capture
- added elapsed time of capturing session

Version 0.7 - 19.02.2006
- preview added (3rd party decoder needed, e.g. free ffdshow)
Version 0.55 - 05.02.2006
- saving user preferences to file
- possibility to choose date and time format
Version 0.53 - 25.01.2006
- fixed serious bug with line artifacts in frames introduced in 0.51
Version 0.51 - 08.01.2006
- added option to synchronize audio and video (thanks to domain for pointing it out!)
Version 0.5 - 31.12.2005
- new feature: direct capture from camcorder
- fixed incorrect split when non-video packet appeared during search for split
- hack for strange behaviour (noticed with HC1) - sometimes wrong timestamp is written to tape ?!
Version 0.1 alpha - 10.12.2005
- first release

Regards

Last edited by paviko; 5th March 2006 at 22:51. Reason: New version
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Old 31st December 2005, 11:13   #2  |  Link
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This is good news for the HDV camp. Unfortunately I don't own an HDV camcorder, so I cannot test your program. Maybe someone else can post his / her experience?

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Old 8th January 2006, 13:37   #3  |  Link
paviko
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New version is out.

Version 0.51 - 08.01.2006
- added option to synchronize audio and video (thanks to domain for pointing it out!)


Not much interest here, but I'll keep posting info about new version. Maybe HDV will be more common later. Other threads related with HDVSplit:
http://www.sonyhdvinfo.com/showthread.php?t=3577
http://www.sonyhdvinfo.com/showthread.php?t=3728
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Old 21st January 2006, 21:10   #4  |  Link
TachyonEagle
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thanks! great free utility!
v 0.52 works flawlessly with sony hdr-fx1e

update : and now it seems that even with sony hvr-z1e , version 0.75 seems just a little bit confused when tape position is just after dv part has ended and there is yet no hdv timecode, anyway capture seems ok

Last edited by TachyonEagle; 24th April 2006 at 21:05.
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Old 25th January 2006, 22:36   #5  |  Link
paviko
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Version 0.53 - 25.01.2006
Fixed serious bug with line artifacts in frames introduced in 0.51

In version 0.51 I've decreased internal buffer from 10MB to 4MB. Unfortunately it caused that some frames have artifacts, because some packets were lost during capturing.
Internal buffer is not used when capturing without scene split or when scenes are split from file. So this functions were not affected.

I really apologize for this bug In version 0.53 size of the buffer has been increased back to the size from 0.5 version.

Regards
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Old 26th January 2006, 10:53   #6  |  Link
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Quote:
Originally Posted by paviko
[...]I really apologize for this bug [...]
Such is life - no need to apologize. We have to be thankful that you share your program with us - even for free!

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Old 5th February 2006, 11:51   #7  |  Link
paviko
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Version 0.55 - 05.02.2006
With same simple new features:
- saving user preferences to file
- possibility to choose date and time format


Regards
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Old 19th February 2006, 22:40   #8  |  Link
paviko
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Version 0.7 - 19.02.2006
- preview added (3rd party decoder needed, e.g. free ffdshow)


Preview will only work if there is MPEG2 decoder available. ffdshow - is very good, fast, great quality free decoder. Instruction how to configure it is at my homepage.
I don't recommend previewing if you don't have dual core system. It's very easy to lost packets transfered between camcorder and computer.

Regards
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HDR AGC - enlighten your clips
HDVSplit - capture High Definition Video
HDVInfo - timestamp your HDV clips
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Old 20th February 2006, 00:28   #9  |  Link
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Very nice, thank you for the constant updates.
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Old 20th February 2006, 20:09   #10  |  Link
krisq
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Superb stuff paviko, thank you
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Old 5th March 2006, 22:49   #11  |  Link
paviko
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Version 0.75 - 05.03.2006
- fixed crash on exit when MPEG2 decoder could not be found
- added detection of dropped frames/packets during capture
- added elapsed time of capturing session


I hope new feature will be usefull for you as it is for me. No auto recapture of scenes with drops yet, but at least there is no need to watch and search for artifacts that came during false transfer. If they occur they are displayed in HDVSplit and for now manually you can recapture the tape/scene.
There is also one option - "Do not treat mid-scenes as dropped frames". If it is selected (default), then heuristic is used to not accidentialy treat undecodable fragments as dropped frames. This undecodable fragments can be caused by reusing tapes - mix of old scenes and new scenes.
The heuristic is not available when scene split is disabled, because there is no information about scenes.

Regards
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HDR AGC - enlighten your clips
HDVSplit - capture High Definition Video
HDVInfo - timestamp your HDV clips
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Old 2nd May 2006, 16:38   #12  |  Link
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Waveform monitoring

Hi Paviko,

Thank you for the fantastic utility, HDV Split.

I use it to capture HDV over firewire from my Sony Z1U, while monitoring the capture full-screen in real time with your HDVSplit.

One thing is missing though - waveform monitor.

Of course, DV Rack folks provides HDV upgrade and it does have waveform and all the bells and whistles. But these bells & whistles are costly, and a total overkill in my case.

I was wondering if you have a version of HDV Split with waveform monitor built-in?
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Old 2nd May 2006, 21:42   #13  |  Link
paviko
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Hi Alex.

I have never been using waveform monitor. After looking at wiki (http://en.wikipedia.org/wiki/Waveform_monitor), implementing it needs quite a lot of time.

Regards
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HDVInfo - timestamp your HDV clips
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Old 7th May 2006, 16:04   #14  |  Link
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source code / feature request

Great program, used it this weekend to record direct to disc several hours of footage at a dog show.

Is it possible to get the source code?
I'd liked to make a couple simple improvements for myself or if not maybe you could add the features in?

1) option for a pause button that would stop recording, then when you hit it again, continue recording to the same file
2) an option for when you hit stop, it would automatically increment the name of the file, so you can hit record again without having to manually rename the output file.

Thanks Eric
agilityvideo at gmail dot com
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Old 7th May 2006, 16:12   #15  |  Link
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gr-hd1

You can add JVC GR-HD1 to your list of supported camcorders.
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Old 7th May 2006, 16:39   #16  |  Link
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activate record

Feature request:

For HDV Split to start and stop recording when the record button is pushed on the camera and make them separate files.

Regards
Eric
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Old 13th May 2006, 16:40   #17  |  Link
paviko
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Hi agilpwc.
Quote:
1) option for a pause button that would stop recording, then when you hit it again, continue recording to the same file
Good point.
Quote:
2) an option for when you hit stop, it would automatically increment the name of the file, so you can hit record again without having to manually rename the output file.
I think it can be done now when you select scene detection and choose count (with radio buttons) then every time you start new recording file has added count number.
Quote:
For HDV Split to start and stop recording when the record button is pushed on the camera and make them separate files.
That's quite interesting. I think it can be done. What you mean in second part of sentence "and make them separate files"?
Quote:
You can add JVC GR-HD1 to your list of supported camcorders.
Thanks a lot for checking with JVC. Is scene splitting working or just capturing ?

Regards
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HDVInfo - timestamp your HDV clips
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Old 25th May 2006, 17:53   #18  |  Link
agilpwc
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Hi
On the JVC only capture works, not scene splitting or preview.

You were asking about the second part of the sentence 'to separate files'. I just meant that each push of record and stop on the camera would result in a separate clip and thus file on your harddrive.

Another interesting possibility, is in Virtual Dub capture tools, it has camera controls. You hit record in virtual dub and it activates the camera through firewire and starts recording on tape in the camera.

I would think somewhere in that same code would be the capability to reverse that and record on the computer when the record button on the camera is pushed.

I know that a signal is sent from the camera through firewire each time record is hit. As long as there is a tape in the camera.

Thanks for a very useful program.
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Old 3rd June 2006, 11:54   #19  |  Link
paviko
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Thank you agilpwc for information and suggestions. It's possible to check the status of camcorder so if it's recording you can also start recording automatically at computer. I think I've read in MSDN documentation that some signals are send when camcorder status has changes so looks like this feature is possible.

Regards
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HDVSplit - capture High Definition Video
HDVInfo - timestamp your HDV clips
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Old 3rd June 2006, 17:14   #20  |  Link
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Would it be possible to include stop motion capture? Such as every click of the mouse creates a new frame? There doesn't seem to be any programs that can see my Sony FX1 and can do this.
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