Command line tool to easily launch ffmpeg audio visualizations from AES67 sdp files
git clone https://github.com/philhartung/aes67-visualization.git
cd aes67-visualization
npm install
In addition to that, both gstreamer (there is some issue with L24BE used in AES67 and ffmpeg, thats why gstreamer is used to convert audio) and ffmpeg need to be installed.
To display the help, execute node main --help:
Usage: main [options]
Options:
-V, --version output the version number
-f, --file <file> Input sdp file
-t, --type <type> Visualtization type: ebur128, spectrum, ahistogram, avectorscope, showcqt, showfreqs, showspatial, abitscope, showwaves, aphasemeter,
showvolume
-h, --help display help for command
node main -f pgm.sdp -t ebur128:
node main -f pgm.sdp -t showvolume:
node main -f pgm.sdp -t spectrum:
node main -f pgm.sdp -t showwaves:
pgm.sdp is as AES67 sdp file from a Dante device in AES67 mode:
v=0
o=- 1206666431 1206666436 IN IP4 10.10.0.118
s=EXBOXMD : 31
i=2 channels: Ch 3, Ch 4
c=IN IP4 239.69.161.58/32
t=0 0
a=keywds:Dante
a=recvonly
m=audio 5004 RTP/AVP 97
a=rtpmap:97 L24/48000/2
a=ptime:1
a=ts-refclk:ptp=IEEE1588-2008:00-1D-C1-FF-FE-00-00-00:0
a=mediaclk:direct=0
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