[Cin] Capturing DV/HDV via Firewire

[Terje J. Hanssen]

Den 19.02.2023 16:54, skrev Andrew Randrianasulu:
>
>
> вс, 19 февр. 2023 г., 18:43 Terje J. Hanssen <terjejhanssen at gmail.com>:
>
>
>
>     Den 19.02.2023 16:28, skrev Andrew Randrianasulu:
>>
>>
>>     вс, 19 февр. 2023 г., 18:25 Terje J. Hanssen via Cin
>>     <cin at lists.cinelerra-gg.org>:
>>
>>         IEE 1394 / FireWire (Apple) / i.LINK (Sony) has been a
>>         standard connection to transfer native DV and HDV video files
>>         to Lin/Win/Apple computers.
>>
>>           * FireWire DV/HDV recording should still work via dvgrab,
>>             vlc, guvcview, OBS and ffmpeg etc., or directly via some
>>             NLE systems.
>>           * The basic dvgrab tool is still valid on Linux and was
>>             mentioned in the Cin-CV wiki sect. 19.2
>>           * http://cinelerra-cv.wikidot.com/cincv-manual-en:capturing-media#5
>>
>>
>>           * ffmpeg enabled FireWire DV/HDV input device using
>>             libiec61883 (Streamcopy) seems also interesting.
>>
>>             On my Leap 15.4 or Tumbleweed, ffmpeg-5 is seemingly not
>>             compiled with --enable-libiec61883.
>>
>>             Is possibly ffmpeg available with enabled libiec61883 via
>>             Cin-GG?
>>
>>             http://www.ffmpeg.org/ffmpeg-devices.html#iec61883
>>             http://underpop.online.fr/f/ffmpeg/help/iec61883.htm.gz
>>
>>
>>         I had a look into the Cin-GG manual chpt 13 "Capturing and
>>         Recording Media", but could not see Firewire media transfer
>>         was mentioned.  However, in the Appendice section B.2
>>         Configuration Features, Optional Packages is found:
>>
>>             --with-firewire       use firewire (auto)
>>             --with-dv                use dv (auto)
>>
>>         Does this mean that Firewire/dv capture already is supported
>>         or optional can be configured?
>>
>>
>>
>>     it was not tested in ages .....
>>     guess try to install all -dev version of libraries and look at
>>     output of cingg's configure .... then connect device and try to
>>     set capture device to iec* ....
>
>     I guess that's not just for me ;) but will try dvgrab again
>     (tested it once several years ago), when my camcorder is back from
>     service.
>     The reason is my 10 years old FireWire based DV/HDV recorder
>     seemingly is dead.
>
>
>
> well, you can look if appimage version of cingg was compiled with 
> those libraries

Could you possibly outline how to do it?
-----------

I looked up some of the older discussion about dvgrab on 
CinCVS/Skolelinux mailing list and the referenced manual wiki:

https://www.mail-archive.com/cinelerra@skolelinux.no/msg13022.html

https://www.mail-archive.com/cinelerra@skolelinux.no/msg06183.html
http://cinelerra-cv.wikidot.com/cincv-manual-en:tips#26


          21.12.2 Grabbing HDV from camcorder

    There is no perfect solution so far. One possibility is to run the
    test-mpeg2 command available with the sources of *libiec61883*. Use
    this syntax:

    |test-mpeg2 > hdv_tape.mpeg|

    and press *Play* on the camcorder. You should not run any heavy
    resources consuming task on your computer since the lack of caching
    in test-mpeg2 causes frame drops.

    New version of dvgrab seems to support HDV. Minimal example:
    Syntax:

    |dvgrab -format mpeg2 myclip|




> , but I am guessing (from bug 
> https://www.cinelerra-gg.org/bugtracker/view.php?id=590 ) you might 
> run into troubles trying to record exactly HDV stream - because it is 
> not DV video, but mpeg2. There is code in DVB input module for dealing 
> with this, but it probably must be wired to DV /firewire module, or 
> something like this should be used in ffmpeg.C for pre-decoding 
> compressed buffer:
>
> https://github.com/cinelerra-cv-team/cinelerra-cv/commit/0ff51f4c53e17ff33701e8cc1096de33a87313b9
>
>
>>
>>
>>         Other NLE references, Premiere Pro and Vegas respectively
>>         https://helpx.adobe.com/no/premiere-pro/using/capturing-dv-or-hdv-video.html
>>         https://www.vegascreativesoftware.info/us/support/article/capturing-video-from-a-sony-camcorder--222/
>>
>>
>>         Terje J.  H
>>
>>
>>
>>
>>         -- 
>>         Cin mailing list
>>         Cin at lists.cinelerra-gg.org
>>         https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>
>
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