Record Audio and Video Syncronized

[DaneLLL]

Hi,
It looks like the video source(rtspsrc) and audio source(alsasrc) are not synchronized. You may check if the sources are synchronized in saving to a MP4 file. A reference pipeline of saving to mp4:

Mixing audio from 2 usb audio sources

Hi, Please refer to $ gst-launch-1.0 nvarguscamerasrc num-buffers=300 ! nvv4l2h264enc ! h264parse ! queue ! mux. audiotestsrc num-buffers=1000 wave=1 ! voaacenc ! queue ! mux. audiotestsrc num-buffers=1000 ! voaacenc ! queue ! qtmux name=mux ! filesink location=a.mp4 You will see two audio tracks in a.mp4