Advantech ROM-5420, Руководство пользователя

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ROM-5420 User Manual 20
3.1.15 Audio Test
Execute the following commands to run the Audio demo application on ROM-5420.
#cd /unit_tests
#aplay audio8k16S.wav
Then you can hear the music from speaker/head-sets.
3.1.16 Photo Demo Test
Execute the following commands to run the Photo demo application on ROM-5420.
#cd /tools
#./fbv Advantech.jpg
Then you can see the photo demo on the default display screen.
3.1.17 Camera Input Test
Execute the following commands to run the camera demo application on ROM-5420.
3.1.17.1 Preview
#gst-launch mfw_v4lsrc ! mfw_v4lsink
3.1.17.2 Capture
#gst-launch mfw_v4lsrc num-buffers=1 ! jpegenc ! filesink loca-
tion=/tools/snapshot.jpg
3.1.17.3 PView picture
#VSALPHA=1 gst-launch filesrc location=/tools/snapshot.jpg ! jpegdec
! imagefreeze ! mfw_isink
3.1.17.4 PRecord video
#gst-launch mfw_v4lsrc ! queue ! vpuenc codec=6 ! matroskamux !
filesink location=/tools/output.avi sync=false
3.1.17.5 PPlay video
#gst-launch playbin2 uri=file:///tools/output.avi video-
sink="mfw_v4lsink device=/dev/video17"