[FFmpeg-trac] #7604(avcodec:reopened): G.729B decoder not available.

FFmpeg trac at avcodec.org
Tue Dec 11 14:53:48 EET 2018

#7604: G.729B decoder not available.
             Reporter:               |                    Owner:
  sameerthapaevontech                |                   Status:  reopened
                 Type:  defect       |                Component:  avcodec
             Priority:  normal       |               Resolution:
              Version:  git-master   |               Blocked By:
             Keywords:  g729         |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |

Comment (by sameerthapaevontech):

 I am developing an application that listens for RTP data using GStreamer
 and converts the received raw data packets using FFMPEG. It works well for
 codes: PCMA, PCMU, G722 and G729 and converts the received audio files
 into wav and mp3. But the conversion fails when G729b stream is received.
 FFMPEG has support for G729 but nothing is mentioned about G729a/b. I
 didn't find any other library/software that can decode G729b to wav or

 Cisco call manager (CUCM) sends voip call data to recording server. Our
 app is on the recording server where gstreamer stores the rtp data. For
 g729 the gstreamer pipeline is: udpsrc port=5008
 ,clock-rate=(int)8000,encoding-name=(string)G729" ! rtpg729depay !
 Call is made through cisco IP phones and softphones, which means they can
 decode and play the codec.

Ticket URL: <https://trac.ffmpeg.org/ticket/7604#comment:4>
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