SmartAudio/package/allwinner/tina_multimedia/libcedarx/demo/demoVdecoder/doc/readme.txt

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step 1: copy demon to SD card or U disk
step 2: mount /dev/mmcblk0p1 /mnt
or mount /dev/sda1 /mnt
step 3:
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/mnt/app/lib
step 4: ./demoVdecoder
./demoVdecoder -h #show help
example
./demoVdecoder -i /mnt/TestStream/h265.mp4 -n 50 #decode h265.mp4 50 frames