HI all, when I try to capture audio and video from USB web cam and usb sound card. the command : ffmpeg -loglevel debug -f video4linux2 -r 30 -s 640x480 -input_format h264 -i /dev/video1 -f alsa -ar 48000 -ac 2 -i hw:0 -vcodec copy -acodec copy http://localhost:8090/feed1.ffm
I got the warning message from ffmpeg: Non-monotonous DTS in output stream 0:0; previous: 254883622, current: 254883581; changing to 254883623. This may result in incorrect timestamps in the output file and the VLC player can not play audio data , but video data can be displayed. Does anyone have idea and the timestamp ?
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