[FFmpeg-devel] DVR MPEG4 variant (AS-3024)

[wm4]

On Sat, 4 Feb 2017 00:02:16 +0200
Ivo Andonov <ivo.andonov at gmail.com> wrote:

> 2017-02-03 23:18 GMT+02:00 Compn <tempn at mi.rr.com>:
> 
> > On Fri, 3 Feb 2017 15:46:20 +0200, Ivo Andonov <ivo.andonov at gmail.com>
> > wrote:
> >  
> > > I successfully used a modified Pinetron library on Windows to use my own
> > > software for decoding the stream. While fiddling with the modification I
> > > saw they are using the statically linked FFmpeg API.  
> >
> > the dvr company ships ffmpeg? they must ship ffmpeg source as well, the
> > modified ffmpeg source may contain the patch needed to play such
> > dvr files.
> >
> > where can we see this pinetron library ?
> >
> > -compn
> > _______________________________________________
> > ffmpeg-devel mailing list
> > ffmpeg-devel at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> >  
> 
> I thought the same as well but am not too much into the licencing terms...
> I tried in vain finding any sources.
> They do not ship ffmpeg directly (as a separate library). They modify the
> source and use it statically linked in their projects.
> This is a link to the IE ActiveX for playing the stream (displaying DVR
> cams): http://www.dvrstation.com/pdvratl.php?vendor=0#version=1,0,1,26 This
> is also the library I modded in order to use the decoder on Windows
> platforms before I decided to spend some time to research the differences
> in respect to the MPEG4 standard and use the stream in a Linux environment.
> 
> This is a link to a 64-bit Linux app:
> http://pinetron.ru/files/software/cms-lite-linux.zip Never actually tried
> it. The libpapi-shared.so.* files are clearly based on the ffmpeg source.
> 
> This is the android app: http://www.apkmonk.com/app/com.pinetron.TouchCMS/
> One library in there for Arm, also clearly based on ffmpeg.

Can you ask them for source? I don't think the GPL obligates them to
put the source on their website. But if you ask for it, they have to
give it out. (Even if they decide to mail it to you on a CDROM.)