[Cin] Record HDV cam Live video with IEC61883 failed

[Terje J. Hanssen]

Den 18.06.2025 22:17, skrev Andrew Randrianasulu:
>
>
> ср, 18 июн. 2025 г., 23:13 Terje J. Hanssen via Cin 
> <cin at lists.cinelerra-gg.org>:
>
>     I tried CinGG-20250430-x86_64.AppImage to record HDV cam Live
>     video connected via IEEE-1394 (Sony iLink, Firewire) using the
>     iec61883 driver.
>
>
> "For the IEC 61883 driver, the compression must be DV."
> I think HDV (mpeg2) was never implemented there?

I noticed "must be DV", but was not sure how literal "DV" was meant(?)

According to the ffmpeg man page for iec61883:
/The iec61883 capture device supports capturing from a video device 
connected via IEEE1394 (FireWire), using *libiec61883 *and the new Linux 
FireWire stack (juju). This is the *default DV/HDV input method* in 
Linux Kernel 2.6.37 and later, since the old FireWire stack was removed.
Specify the FireWire port to be used as input file, or "auto" to choose 
the first port connected.
/https://www.mankier.com/1/ffmpeg-devices#Input_Devices-iec61883/

/Kernel 2.6.37 was released in Jan 2011.
And according to Phoronix:Linux Has A New Firewire IEEE-1394 Maintainer 
- Intends To Maintain Support To 2029/
/https://www.phoronix.com/news/Linux-Firewire-New-Maintainer/
/

> I am not sure if I can do anything even if changes very simple - I 
> have no such hardware.....

Yeah, I understand that will be difficult.
My legacy SuperMicro workstation had a Firewire port on its front panel, 
which now is working with a
Texas Instruments XIO2200A IEEE-1394a-2000 Controller (pci) mounted on 
the MSI mobo.

libIEC 61883 has not been enabled on my system ffmpeg-7, but recently I 
got this bug accepted by OBS, and iec61883 is just enabled in Factory.
So when it is available for Slowroll, I will try recording with ffmpeg.

>
> According to the manual:
> The file format must be Quicktime for Linux and video recording must 
> be enabled for it. Click on the wrench to set the video compression.
> For the IEC 61883 driver, the compression must be DV.
> https://cinelerra-gg.org/download/CinelerraGG_Manual/Live_Video.html
>
> So I tried first
> Shift-P
> FFMPEG and qt, mp4 audio and dv_pal.qt video
>
> I also tried
> FFMPEG mpeg, Audio mpeg_mp2, Video mpeg and mpeg_hdv
>
> But got these error messages in both cases using default port 0 or 
> alternative port 1
>
> *AVC1394Control::initialize(): couldn't set port: Invalid argument *
> int FFMPEG::init_encoder(const char*):
> bad file format: /home/terje/test.mpeg
>
> rom1394_0 warning: read failed: 0x0000fffff0000414
> AVC1394Control::initialize(): node 0
> int FFMPEG::init_encoder(const char*):
> bad file format: /home/terje/test.mpeg
>
> A control test of the connection with the legacy 'dvgrab' recorded a 
> m2t file ok.
>
>
> Related references:
> https://www.cinelerra-gg.org/git/?p=goodguy/cinelerra.git;a=blob;f=cinelerra-5.1/cinelerra/avc1394control.C;h=dfde60d96fecf935c89fb7cfd5b766d1f4d9914f;hb=HEAD
> https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg05661.html
> https://www.ffmpeg.org/ffmpeg-devices.html#iec61883
>
>
>
>
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>
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