RK3568 mpp decode h264 failed

[1891er]

在Rock pi 3A(RK3568)上，跑 mpp_dec_test 失败，提示： mpp[39110]: vcodec_service: open vcodec_service /dev/mpp_service failed 存在/dev/mpp_service设备节点，请问是什么原因呢？

rock@rock-3a:~/work/test$ ./mpi_dec_test -t 7 -w 1920 -h 1080 -i ~/work/test_1080.264 mpp[39110]: mpp_opt: setup:real node 18:22 info 11:11 mpp[39110]: mpi_dec_utils: input file /home/rock/work/test_1080.264 size 98864264 mpp[39110]: mpi_dec_utils: cmd parse result: mpp[39110]: mpi_dec_utils: input file name: /home/rock/work/test_1080.264 mpp[39110]: mpi_dec_utils: output file name: mpp[39110]: mpi_dec_utils: width : 1920 mpp[39110]: mpi_dec_utils: height : 1080 mpp[39110]: mpi_dec_utils: type : 7 mpp[39110]: mpi_dec_utils: max frames : 0 mpp[39110]: mpi_dec_test: mpi_dec_test start mpp[39110]: mpp_info: mpp version: 8a85dc5d author: Herman Chen 2022-03-14 [mpp_enc]: Fix stuck on reset async mode encoder mpp[39110]: mpi_dec_test: 0x55ad428860 mpi_dec_test decoder test start w 1920 h 1080 type 7 mpp[39110]: mpp_rt: NOT found ion allocator mpp[39110]: mpp_rt: found drm allocator mpp[39110]: vcodec_service: open vcodec_service /dev/mpp_service failed mpp[39110]: hal_h264d_api: mpp_dev_init failed ret: -1 mpp[39110]: mpp_hal: mpp_hal_init hal h264d_rkdec init failed ret -1 mpp[39110]: mpp_hal: mpp_hal_init could not found coding type 7 mpp[39110]: mpp_dec: mpp_dec_init could not init hal mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp_time: mpp_clock_put invalid clock (nil) mpp[39110]: mpp: error found on mpp initialization mpp[39110]: mpi_dec_test: 0x55ad428860 mpp_init failed mpp[39110]: mpi_dec_test: test failed ret -1 mpi_dec_test[39110]: mpp_mem_pool: put_pool found 1 used buffer size 80 mpi_dec_test[39110]: mpp_mem_pool: put_pool found 4 used buffer size 192 rock@rock-3a:~/work/test$

[HermanChen]

设备权限，先 su 切到 root