I am using x264 through ffmpeg so I cannot assure everything is set up exactly the same, but the latency is good anyway.
In the MCU server I did integrate the x264 directly and set up the zerolatency and some other parameters directly. Best regards Sergio El 02/09/2010 16:22, João Serra escribió: > 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
