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    [[rock5 | ROCK 5]] > [[rock5/guide | Guide]] > [[rock5/guide/rockchip-mpp | Rockchip MPP]]

== Rockchip MPP ==

=== Build MPP on ROCK 5B===

Download essential packages.

 rock@rock-5b:~$ sudo apt install -y git make cmake gcc g++ wget

Download mpp source code.

 rock@rock-5b:~$ git clone https://github.com/rockchip-linux/mpp -b develop
 rock@rock-5b:~$ cd ~/mpp/build/linux/aarch64
 rock@rock-5b:~/mpp/build/linux/aarch64$ ./make-Makefiles.bash
 rock@rock-5b:~/mpp/build/linux/aarch64$ make

Check mpp demo.

 rock@rock-5b:~/mpp/build/linux/aarch64$ ls test/
 CMakeFiles           mpi_dec_mt_test     mpi_dec_test     mpi_rc2_test
 Makefile             mpi_dec_multi_test  mpi_enc_mt_test  mpp_info_test
 cmake_install.cmake  mpi_dec_nt_test     mpi_enc_test     vpu_api_test

=== MPP demo ===

==== mpi_dec_test ====

Get test video.

 rock@rock-5b:~$ wget https://dl.radxa.com/media/video/1080p.264

Print debug log.

 rock@rock-5b:~$ export mpi_debug=1
 rock@rock-5b:~$ export mpp_debug=1
 rock@rock-5b:~$ export h264d_debug=1
 rock@rock-5b:~$ export mpp_syslog_perror=1

Run mpi_dec_test.

<pre>
rock@rock-5b:~/mpp/build/linux/aarch64/test$ ./mpi_dec_test -i ~/1080p.264 -t 7 -h 1080 -w 1920

mpp[1253]: mpi_dec_utils: input file /home/rock/1080p.264 size 10076324
mpp[1253]: mpi_dec_utils: cmd parse result:
mpp[1253]: mpi_dec_utils: input  file name: /home/rock/1080p.264
mpp[1253]: mpi_dec_utils: output file name: 
mpp[1253]: mpi_dec_utils: width      : 1920
mpp[1253]: mpi_dec_utils: height     : 1080
mpp[1253]: mpi_dec_utils: type       :    7
mpp[1253]: mpi_dec_utils: max frames :    0
mpp[1253]: mpi_dec_test: mpi_dec_test start
...
mpp[1253]: mpi_dec_test: 0x558fb02300 found last packet
mpp[1253]: mpi_dec_test: decode 1129 frames time 1172 ms delay  14 ms fps 962.62
mpp[1253]: mpi: mpi_reset enter ctx 0x558fb02300
mpp[1253]: mpi: mpi_reset leave ctx 0x558fb02300 ret 0
mpp[1253]: mpi: mpp_destroy enter ctx 0x558fb02300
mpp[1253]: mpi: mpp_destroy leave ctx 0x558fb02300 ret 0
mpp[1253]: mpi_dec_test: test success max memory 19.92 MB
</pre>