mpi_dec.c -rockchip video acceleration testing utility
architecture
using MPP/MPI API to accelerate video decoding
running in asynchronous split standard mode with threads
main() thread - init/deinit and feed data in READ_BUF_SIZE (1MB) buffers
frame_thread() thread - setup DRM buffers (based on video size) and pick+free decoded buffers
display_thread() thread - display rendered DRM buffer to plane
running in maximum speed and display ASAP (no PTS wait)
prerequisites
compiling
gcc -o mpi_dec -I/usr/include/rockchip -lrockchip_mpp -I/usr/include/libdrm -ldrm -lpthread -g -Wno-multichar mpi_dec.c
testing
# ffmpeg -i bbb-1920x1080-cfg06.mkv -c:v copy -an -bsf:v hevc_mp4toannexb 2k60.hevc
# ffmpeg -i "LG Chess 4K Demo.mp4" -c:v copy -an -bsf:v hevc_mp4toannexb 4k60hdr.hevc
# ffmpeg -i bbb-3840x2160-cfg02.mkv -c:v copy -an -bsf:v hevc_mp4toannexb 4k60.hevc
# ffmpeg -i bbb_sunflower_2160p_60fps_normal.mp4 -c:v copy -an -bsf:v h264_mp4toannexb 4k60.h264
# ffmpeg -i bbb_sunflower_2160p_30fps_normal.mp4 -c:v copy -an -bsf:v h264_mp4toannexb 4k30.h264
# ffmpeg -i "LG Cymatic Jazz 4K Demo.ts" -c:v copy -an -bsf:v hevc_mp4toannexb 4k60hdr_hlg.hevc
sometimes speedup CPU and/or DDR is needed
# cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies
408000 600000 816000 1008000 1200000 1296000
# cat /sys/class/devfreq/dmc/available_frequencies
400000000 600000000 786000000 800000000 850000000 933000000 1066000000
# echo 1008000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq
# echo 933000000 > /sys/class/devfreq/dmc/min_freq
test formats supported by Rockchip CPU
# ./mpi_dec
usage: ./mpi_dec raw_filename mpp_coding_id [nodisplay]
mpi: mpp coding type support list:
mpi: type: dec id 0 coding: mpeg2 id 2
mpi: type: dec id 0 coding: mpeg4 id 4
mpi: type: dec id 0 coding: h.263 id 3
mpi: type: dec id 0 coding: h.264/AVC id 7
mpi: type: dec id 0 coding: h.265/HEVC id 16777220
mpi: type: dec id 0 coding: vp8 id 9
mpi: type: dec id 0 coding: VP9 id 10
mpi: type: dec id 0 coding: avs+ id 16777221
mpi: type: dec id 0 coding: jpeg id 8
mpi: type: enc id 1 coding: h.264/AVC id 7
mpi: type: enc id 1 coding: jpeg id 8
# ./mpi_dec ../4k60hdr.hevc 16777220
# ## check clocks
# egrep 'armclk |aclk_rkvdec |cabac |vdec_core |ddrc ' /sys/kernel/debug/clk/clk_summary
armclk 0 0 1008000000 0 0
sclk_vdec_core 2 3 300000000 0 0
aclk_rkvdec 3 4 600000000 0 0
sclk_vdec_cabac 2 3 400000000 0 0
sclk_ddrc 2 2 924000000 0 0
# ## check power activated accelerator
# cat ./kernel/debug/pm_genpd/pm_genpd_summary
domain status slaves
/device runtime status
----------------------------------------------------------------------
pd_vpu on
/devices/platform/ff350800.iommu suspended
/devices/platform/vpu_combo active
pd_video on
/devices/platform/ff360480.iommu active
/devices/platform/ff360000.rkvdec active
pd_hevc on
/devices/platform/ff330200.iommu suspended
/devices/platform/ff340800.iommu suspended
/devices/platform/ff330000.h265e unsupported
/devices/platform/ff340000.vepu unsupported
# ## check output chain
# cat /sys/kernel/debug/dri/0/summary
VOP [ff370000.vop]: ACTIVE
Connector: HDMI-A
overlay_mode[1] bus_format[2016] output_mode[f] color_space[10]
Display mode: 3840x2160p30
clk[297000] real_clk[297000] type[40] flag[5]
H: 3840 4016 4104 4400
V: 2160 2168 2178 2250
win0-0: ACTIVE
format: NA12 little-endian (0x3231414e) HDR[2] color_space[10]
csc: y2r[0] r2r[0] r2y[0] csc mode[3]
zpos: 0
src: pos[0x0] rect[3840x2160]
dst: pos[0x0] rect[3840x2160]
buf[0]: addr: 0x0000000011acf000 pitch: 4864 offset: 0
buf[1]: addr: 0x0000000011acf000 pitch: 4864 offset: 10506240
win1-0: DISABLED
win2-0: DISABLED
post: sdr2hdr[0] hdr2sdr[0]
pre : sdr2hdr[0]
post CSC: r2y[0] y2r[0] CSC mode[3]
# ## check hdmi output
# cat /sys/kernel/debug/dw-hdmi/status
PHY: enabled Mode: HDMI
Pixel Clk: 297000000Hz TMDS Clk: 297000000Hz
Color Format: YUV422 Color Depth: 10 bit
Colorimetry: ITU.BT2020 EOTF: ST2084
x0: 35400 y0: 14599
x1: 8500 y1: 39850
x2: 6550 y2: 2300
white x: 15635 white y: 16451
max lum: 0 min lum: 0
max cll: 0 max fall: 0
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