Re: [Iaxclient-devel] [iaxclient] H264 (libx264 + ffmpeg)

[Paulo V. <vic...@gm...>]

I'm being able to use H.263+ with iaxclient but I have no success with H.264
(libx264).

Paulo

On Thu, Oct 2, 2008 at 11:20 AM, Peter Grayson <jpg...@gm...> wrote:

> On Thu, Oct 2, 2008 at 8:43 AM, Paulo Vicentini
> <vic...@gm...> wrote:
> > Testing (on Windows /iaxclient-2.1beta3) with H264 (libx264 / ffmpeg) and
> > peer to peer (no asterisk server)
> > There are Mini video packets in the network (1406 bytes) but the
> application
> > fails to decode
> >
> > int format = IAXC_FORMAT_H264 ;
> > int formatp = IAXC_FORMAT_H264;
> >
> > Text message received: Call 0 ringing
> > IAXCLIENT: Call 0 ringing
> > Text message received: Call 0 accepted
> > IAXCLIENT: Call 0 accepted
> > Text message received: Creating codec format 0x200000
> > IAXCLIENT: Creating codec format 0x200000
> > [libx264 @ 02C441D0]using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
> > created encoder codec ffmpeg-H.264
> >
> > [h264 @ 02C3FA00]no frame!
> > codec_ffmpeg: decode: failed to decode whole frame -1 / 43400
> [snip]
> >
> > Is there any currently working H264 (or 263+) library to build with
> > iaxclient other than libx264?
>
> No, I think getting H.264 or H.263+ support into iaxclient will
> require some effort. The ffmpeg support in iaxclient is not well
> maintained and I doubt that it currently does much of anything.
>
> > Have you tested libx264 (ffmpeg)?
>
> A couple years ago, some of us were working with ffmpeg and x264 with
> iaxclient. We had some success with that then, but ultimately changed
> our focus to theora because of patent licensing concerns surrounding
> H.264.
>
> I think that with a little love, the ffmpeg support in iaxclient could
> be made to work.
>
> Pete
>