push wav to rtmp stream, i find that the stream's pkt_duration_time is 128ms，and i want to get the result that the pkt_duration_time is 20ms

[wwfengqi]

1、source file is audio wav, properties is below picture

2、then i use grabber ,like this :

3、i use recorder like this

at last,i found rtsp has changed,like this:

the javacv version is 1.5.10
thank you
regards