[Ffmpeg-devel] rtsp problem with ffplay

[Gary Corcoran]

Luca Barbato wrote:
> chris.2.dobbs at bt.com wrote:
>> Hi Luca,
>> Thanks again for info. Sorry to be a pain with this but I feel I am
>> getting closer!
>>
>> I have totally misunderstood the meaning of Dynamic payloads - I thought
>> 96 was specific for AMR!
> 
> Dynamic payload are dynamic, you have explicit mappings in the sdp.
> 
>> So am I on the right track thinking I now need to add a entry to the
>> AVRtpDynamicPayloadTypes[] array to allow dynamic payload type 96 with
>> sdp map data equal to AMR to match this new entry and thus get the right
>> codec_id (0x12000 for AMR-NB I think...)  
> 
> payload type ${Dynamic} and rtpmap AMR/something, 96 is a number like 97
> 98 ... etc etc etc if the number is higher than a certain value that I
> don't remeber right now but that should be present, you just check the
> rtpmap and act accordingly.

Payload types 96 and higher are the dynamic ones.

Gary