Re: [Libav-user] Getting to grips with ffmpeg

2012-02-06 Thread John Dexter
On 6 February 2012 09:32, Nicolas George nicolas.geo...@normalesup.org wrote: L'octidi 18 pluviôse, an CCXX, John Dexter a écrit : If you're going to make such assertions please back them up. My research into dynamic linking of (L)GPL libraries finds multiple explicit claims that distribution

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-06 Thread Carl Eugen Hoyos
John Dexter jdxsolutions@... writes: obviously I have no problem providing source if asked to, You misunderstand: If you don't want to accompany your binary distribution with the corresponding source code, you have to add a legally binding written offer that you will provide the source code

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-06 Thread Carl Eugen Hoyos
Carl Eugen Hoyos cehoyos@... writes: I read somewhere that including a link to where users could download the source themselves can be counted as distributing the source? ... do exactly this as explained on http://ffmpeg.org/legal.html (because we think you can argue that the

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-05 Thread Carl Eugen Hoyos
John Dexter jdxsolutions@... writes: 2. I had some concerns reading about the legal side, GPL and LGPL. Our software is totally closed source and while we use LGPL libraries, it sounded like some parts of ffmpeg are GPL-only. Will this realistically affect me It is your choice if you

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-05 Thread John Dexter
On 5 February 2012 16:38, Carl Eugen Hoyos ceho...@ag.or.at wrote: John Dexter jdxsolutions@... writes: 2. I had some concerns reading about the legal side, GPL and LGPL. Our software is totally closed source and while we use LGPL libraries, it sounded like some parts of ffmpeg are

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-05 Thread John Dexter
(Or in other words: It will only affect you if you want H264 encoding but are not willing to buy a commercial x264 license.) Sorry, I need to ask about that in more detail after more thought. There are 2 separate issues here it seems... 1. Whether I can use ffmpeg libraries to encode H264

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-05 Thread Carl Eugen Hoyos
John Dexter jdxsolutions@... writes: Please consider reading the License Compliance Checklist on http://ffmpeg.org/legal.html and if you think anything is not clear on this page, please report! Since you mention it, I would prefer a list of what I MUST do and a list of what you PREFER

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-05 Thread John Dexter
On 5 February 2012 18:42, Carl Eugen Hoyos ceho...@ag.or.at wrote: Carl Eugen Hoyos cehoyos@... writes: The list contains all things you have to do afaict, and some things that really make a lot of sense if you trying to fulfil the requirements of the LGPL (as opposed to trying very

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-05 Thread Carl Eugen Hoyos
John Dexter jdxsolutions@... writes: [About http://ffmpeg.org/legal.html ] That page includes distribute the ffmpeg source code. IIRC that's not a requirement for LGPL? It is a crystal-clear requirement. Carl Eugen ___ Libav-user mailing list

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-05 Thread John Dexter
On 6 February 2012 03:03, Carl Eugen Hoyos ceho...@ag.or.at wrote: John Dexter jdxsolutions@... writes: [About http://ffmpeg.org/legal.html ] That page includes distribute the ffmpeg source code. IIRC that's not a requirement for LGPL? It is a crystal-clear requirement. If you're

[Libav-user] Getting to grips with ffmpeg

2012-02-04 Thread John Dexter
Hello all, I develop software (C++ using wxWidgets for Mac and Windows) which does 3D rendering (using Ogre3D) and we want to allow users to record a video as they work. ffmpeg was recommended in a couple of places but to be honest, it looks quite big and scary so before committing to using it, I

Re: [Libav-user] Getting to grips with ffmpeg

2012-02-04 Thread Andrey Utkin
2012/2/4 John Dexter jdxsoluti...@gmail.com: Hello all, I develop software (C++ using wxWidgets for Mac and Windows) which does 3D rendering (using Ogre3D) and we want to allow users to record a video as they work. ffmpeg was recommended in a couple of places but to be honest, it looks quite