Hi everyone,
I want to multi video and audio stream via udpsink. There are multi video
sources but one audio source.
That seems like this:
/dev/video0
/dev/video1
/dev/snd/pcmC0D0p
/dev/snd/pcmC0D1c -> capture device (i2s)
gst-launch-1.0 v4l2src name=video device=/dev/video0 io-mode=4 !
video/x-raw,format=NV16, width=1920, height=1080, framerate=25/1 !
omxh265enc qp-mode=auto gop-mode=basic gop-length=12 b-frames=0
target-bitrate=5000 num-slices=8 control-rate=low-latency
prefetch-buffer=true low-bandwidth=false filler-data=true cpb-size=500
initial-delay=500 periodicity-idr=60 ! video/x-h265, alignment=au ! queue !
mux. alsasrc name=audio device=hw:0,1 ! audio/x-raw, format=S24_32LE,
rate=48000, channels=2 ! audioresample ! audioconvert ! faac ! mpegtsmux
name=mux ! udpsink host=10.0.0.162 port=5005
this command works clearly. But when I want to start another gst-launch
with another video which includes same audio device like this:
gst-launch-1.0 v4l2src name=video device=/dev/video1 io-mode=4 !
video/x-raw,format=NV16, width=1920, height=1080, framerate=25/1 !
omxh265enc qp-mode=auto gop-mode=basic gop-length=12 b-frames=0
target-bitrate=5000 num-slices=8 control-rate=low-latency
prefetch-buffer=true low-bandwidth=false filler-data=true cpb-size=500
initial-delay=500 periodicity-idr=60 ! video/x-h265, alignment=au ! queue !
mux. alsasrc name=audio device=hw:0,1 ! audio/x-raw, format=S24_32LE,
rate=48000, channels=2 ! audioresample ! audioconvert ! faac ! mpegtsmux
name=mux ! udpsink host=10.0.0.162 port=5006
gst-launch could not start
ERROR: Could not open audio device for recording. Device is being used by
another application.
Device 'hw:0,1' is busy
I wonder how can I use one audio source with multiple video stream.
Thanks for suggestions.
Cihat Yavuz Topal
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