[h323plus] Adding H263 codec to openmcu
jan at willamowius.de
Fri Jan 8 06:41:43 EST 2010
I have a patched version of ffmpeg-0.4.7, that compiles with gcc 4.4.x,
but there is work going on to let the H.323-ffmpeg plugin compile with
current versions of ffmpeg, which is a much better solution.
Michael Bondi wrote:
> Thanks Prasad,
> I try install ffmpeg 0.4.7 from
> http://www.voxgratia.org/bin/ffmpeg-0.4.7.tar.gz but I get the following:
> voyage:~/ffmpeg-0.4.7# make
> make -C libavcodec all
> make: Entering directory `/root/ffmpeg-0.4.7/libavcodec'
> gcc -O3 -Wall -g -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64
> -D_LARGEFILE_SOURCE -D_GNU_SOURCE -c -o common.o common.c
> In file included from avcodec.h:14,
> from common.c:27:
> common.h:65: error: array type has incomplete element type
> common.h:69: error: array type has incomplete element type
> make: *** [common.o] Error 1
> make: Leaving directory `/root/ffmpeg-0.4.7/libavcodec'
> make: *** [lib] Error 2
> But I proceed and continue to configure and make and make install the
> a/v pugins in the ~/h323plus/plugins directory.
> I create a directory ~/codecs and copy both
> h263-ffmpeg_video_pwplugin.so and libavcodec.so (from the
> libavcodec-0.4.7-linux.bin.tar.gz file) into there. I rename
> libavcodec.so to avcodec
> I set export P_T_LIBPLUGINDIR=~/codecs (does this have to be
> P_W_LIBPLUGINDIR ?????)
> I run openmcu and connect with Polycom PVX, and I see the video
> window!! But the video has strange lines with pink and blue colours,
> but it is the video from the webcam!
> I assume it may be because I do not have the ffmpeg 0.4.7 installed
> I will have a look at installing ffmpeg 0.4.7 direct from ffmpeg site.
> So I am closer....
> Thanks again for the help.
> Prasad Mohire wrote:
> > HI Michael,
> > I guess you have compiled PTLIB and H323plus and OpenMCU correctly.
> > H323plus doesn't need ffmpeg. ffmpeg is needed by h323plus avplugin.
> > You were able to hear audio because h323plus comes with G711 codecs.
> > You will need to build H263 plugin separately.
> > h263 plugin needs ffmpeg version 0.47. To install it:
> > run ./configure --enable-shared, then make and make install in ffmpeg
> > directory.
> > Once that is done, download the plugins directory from h323plus.com
> > <http://h323plus.com>.
> > untar the direcory under h323plus directory so that you will have
> > plugins directory under h323plus.
> > Goto plugins directory.
> > run ./configure
> > You should see h263 : yes in output of configure script. This means it
> > will build H.263 plugin. If it is 'no' there is something wrong with
> > prerequisites i.e. ffmpeg. make sure that libavcodec.h file is in
> > include path.
> > once you see H.263: yes as output, run make and make install in
> > plugins directory.
> > create a directory to store the plugins. Set environment variable
> > PWLIBPLUGINDIR pointing to that directory. Copy
> > h323plus/plugins/video/h.263/h263-ffmpeg_video_pwplugin.so file to
> > $PWLIBPLUGINDIR. Copy libavcoded.so to $PWLIBPLUGINDIR and rename it
> > to avcodec.
> > Now start openmcu, it should load with H.263 capability.
> > File "C:\\traces.txt" will be created in directory from which you will
> > start openmcu. You can see what all capabilities are added while
> > openmcu is started in that file.
> > Thanks and Regards,
> > Prasad.
> > On Fri, Jan 8, 2010 at 3:32 PM, Michael Bondi
> > <mike at bridgeconference.co.za <mailto:mike at bridgeconference.co.za>> wrote:
> > Hi all and Happy 2010!
> > This may have been asked before, but I cannot help myself but to
> > ask again.
> > I have compiled ptlib 2.4.5 and h323plus 1.21 and openmcu 2.2.5 on
> > a Debian 5 machine.
> > I am able to connect and hear the tones and message for connecting
> > but am unable to get video on the screen.
> > I have tried compiling h323plus with only the 0.4.7 ffmpeg
> > libavcodec.so placed in a directory /root/codec and compiled with
> > ./configure --enable-rfc2190avcodec=/root/ffmpeg switch, all
> > compiles fine, but still no h.263 video. Is there any more I need
> > to do here?
> > Also, I am getting confused where to unpack and install the a/v
> > plugins from file
> > http://www.h323plus.org/source/download/plugins-v1_21_0.tar.gz
> > Thanks
> > Mike
Jan Willamowius, jan at willamowius.de, http://www.gnugk.org/
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