Hi Sergio, thanks for your reply. Why needs asterisk modifications? And Where exactly on the source? In the case of h264 encoding, does app_transcoder use the new real-time features/options present in new versions of x264(http://x264dev.multimedia.cx/?p=249)
Thanks. On Thu, Sep 2, 2010 at 14:26, Sergio Garcia Murillo <[email protected]> wrote: > El 21/08/2010 0:24, João Serra escribió: >> Hi, currently playing with SofiaSIP library and i'm thinking in coding >> a video capable(via gstreamer) SIP UA for a Linux STB connected to a >> USB Webcam. >> However, all consumer-level webcams output only MJPEG video and i >> cannot afford to do any kind of video transcoding on the STB >> itself(the STB has a 300mhz mips cpu) >> >> So, can i use Asterisk with app_transcoder to transcode mjpeg >> videocalls to/from h263 or h264. Also, what delay will app_transcoder >> introduce? >> >> Thanks. >> > Hi Joao, > > Currently app_transcoder does not support mjpeg decoder, it could > support it easily, but you would also need to patch asterisk to support it. > The delay introduced by the app_transcoder is minumun, jsut the cpu time > needed to decode and re-encode the frame, so it varies depending on the > video codec, cpu and size of the frame. > > Best regards > Sergio > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-video mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-video > -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-video mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-video
