[FFmpeg-devel] FFMPEG DLL proposal
Wed Jan 21 17:10:17 CET 2009
On Wed, Jan 21, 2009 at 04:53:41PM +0100, Pierre Chatelier wrote:
> I would like to use FFMPEG "under the hood" in an application, to
> quickly convert some movies. Unfortunately, the API is terrible to
> learn and I won't do anything better than ffmpeg.exe can do.
> But I do
> not like the idea to embedd ffmpeg.exe, I would prefer a shared library.
so write a shared lib that calls ffmpeg.exe
> My idea is the following :
> 1-transform ffmpeg.c and cmdutils.c by removing all static variables.
> This is easy : just replace all static variables with a big struct
> named "context" that would be passed to any function.
> 2-replace main(int argc, char* argv) by ffmpeg_process(int argc,
> char* argv)
> 3-ffmpeg.c is now a single call to ffmpeg_process()
> Thus, we would have a DLL with a single public function
> ffmpeg_process(), which could be used with parameters like on the
> command line. What a relief !
> Why don't I do that myself ?
> Well... I did, but I have many problems.
yes, and the biggest does not seem related to programming, its your
philosophical dislike of calling an executable instead of a dll.
Or in other words if you cant come up with a single argument beyond
your feeling of dislike and relief then maybe these really are the
only arguments. And that would be a little weak to justify the work
mess and maintaince it would need
> I have performed step1 a few weeks ago. Since then many svn updates
> did occur and I am totally desynchronized with ffmpeg.c and many
> I can't manage to build the shared libraries by trying to add things
> in the Makefiles... Too many macros, dependencies, CLI options to
> GCC... I give up.
> In my opinion, this would be a benefit for everybody, if it was an
> official new feature of FFmpeg, but this should be handled by the ones
> maintaining ffmpeg.c and cmdutils.c.
> Any chance to see it soon ?
likely not and likely thats not limited to the short term
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
If you really think that XML is the answer, then you definitly missunderstood
the question -- Attila Kinali
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: Digital signature
More information about the ffmpeg-devel