VPU
VPU（Video Processing Unit，视频处理单元）具有视频编解码功能的硬件，能够提高编解码效率并减少 CPU 负荷。K1 的 VPU 基于标准 V4L2 框架实现，支持 H.264/HEVC/VP8/VP9/MJPEG/MPEG4 等格式的解码和 H.264/HEVC/VP8/VP9/MJPEG 等格式的编码，并提供了完整的测试程序供参考。
1 规格
1.1 解码规格（2cores@819MHz）
| 格式 | profile | 最大分辨率 | 最大码率 | 规格 | 多路规格 |
|---|---|---|---|---|---|
| HEVC | Main/Main10 | 4096×4096 | 200Mbps | 4k@60fps | 8路 1080P@30fps |
| H.264 | BP/MP/HP/High10 | 4096×4096 | 200Mbps | 4k@60fps | 8路 1080P@30fps |
| VP8 | / | 2048×2048 | 100Mbps | 1080p@60fps | 2路 1080P@30fps |
| VP9 | Profile0/Profile 2 10-bit | 4096×4096 | 120Mbps | 4k@30fps | 4路 1080P@30fps |
| JPEG | Baseline sequential | 8192×8192 | 80Mbps | 4k@30fps | 4路 1080P@30fps |
| VC-1 | SP/MP/AP | 2048×4096 | 80Mbps | 1080p@60fps | 2路 1080P@30fps |
| MPEG4 | SP/ASP | 2048×2048 | 40Mbps | 1080p@60fps | 2路 1080P@30fps |
| MPEG2 | MP | 4096×4096 | 40Mbps | 1080p@60fps | 2路 1080P@30fps |
1.2 编码规格（2cores@819MHz）
| 格式 | profile | 最大分辨率 | 最大码率 | 规格 | 多路规格 |
|---|---|---|---|---|---|
| HEVC | Main/Main10 | 4096×4096 | 200Mbps | 4k@30fps | 4路 1080P@30fps |
| H.264 | BP/MP/HP/High10 | 4096×4096 | 200Mbps | 4k@30fps | 4路 1080P@30fps |
| VP8 | / | 2048×2048 | 100Mbps | 1080p@60fps | 2路 1080P@30fps |
| VP9 | Profile0/Profile 2 10-bit | 4096×4096 | 200Mbps | 4k@30fps | 4路 1080P@30fps |
| JPEG | Baseline sequential | 8192×8192 | 200Mbps | 4k@30fps | 4路 1080P@30fps |
2 VPU 测试程序
k1x-vpu-test 是一套用于测试验证 K1 芯片的 VPU（Video Processing Unit，负责视频的编解码工作）功能性能的程序集，也可以作为客户开发自己的应用程序（需要对接 VPU 进行硬件编解码）的参考。
2.1 安装说明
2.1.1 Bianbu 桌面系统
源中已经集成了 k1x-vpu-test，直接使用 apt 命令来安装即可。
sudo apt update
sudo apt install k1x-vpu-test
2.1.2 Bianbu Linux 系统
2 种方法将 k1x-vpu-test 集成到系统中：
- 在编译 img 的时候，将 k1x-vpu-test 的编译集成选项打开（默认已经打开），这样，编译的 img 中默认就有 k1x-vpu-test 相关的测试程序
- 如果编译 img 的时候，没有打开 k1x-vpu-test 的编译集成选项，img 中没有 k1x-vpu-test 相关的测试程序，只能手动编译 k1x-vpu-test，然后将生成的 bin 拷贝到系统的/usr/bin/目录中来使用，具体包括哪些 bin，下面有说明
2.2 使用说明
k1x-vpu-test 的测试程序集中主要包含下面几个测试程序：
- mvx_decoder：用于单路视频码流的解码测试
- mvx_decoder_multi：用于多路视频码流的解码测试（多路视频码流必须为同一个视频）
- mvx_encoder：用于单路视频流的视频编码测试
- mvx_encoder_multi：用于多路 YUV 流的视频编码测试（多路 YUV 流必须为同一个流）
- mvx_logd：用于抓取 firmware 的 log 分析定位问题
2.2.1 mvx_decoder
一些基本用法
//将input.264的H.264视频流（带startcode）解码为output.yuv
//-f raw ： 表示视频裸流
//输入码流的编码格式默认为H.264
//输出YUV数据的像素格式默认为YUV420P
mvx_decoder -f raw /mnt/streams/input.264 /mnt/test/output.yuv
//将input.264的H.264视频流（带startcode）解码为output.yuv，output.yuv的像素格式为NV12
mvx_decoder -f raw -o yuv420_nv12 /mnt/streams/input.264 /mnt/test/output.yuv
//将input.265的HEVC视频流（带startcode）解码为output.yuv
mvx_decoder -f raw -i hevc /mnt/streams/input.265 /mnt/test/output.yuv
参数说明
usage: ./mvx_decoder [optional] [positional]
positional arguments:
input
Input file.
output
Output file.
optional arguments:
--dev
Device.
Default: /dev/video0
-i, --inputformat
Pixel format.
Default: h264
-o, --outputformat
Output pixel format.
Default: yuv420
-f, --format
Input container format. [ivf, rcv, raw]
For ivf input format will be taken from IVF header.
Default: ivf
-s, --stride
Stride alignment.
Default: 1
-y, --intbuf
Limit of intermediate buffer size
Default: 1000000
-m, --md5
Output md5 file
-e, --md5ref
Input ref md5 file
-u, --nalu
Nalu format, START_CODES (0) and ONE_NALU_PER_BUFFER (1), ONE_BYTE_LENGTH_FIELD (2), TWO_BYTE_LENGTH_FIELD (3), FOUR_BYTE_LENGTH_FIELD (3).
Default: 0
-r, --rotate
Rotation, 0 | 90 | 180 | 270
Default: 0
-d, --downscale
Down Scale, 1 | 2 | 4
Default: 1
-v, --fps
Frame rate.
Default: 24
--dsl_ratio_hor
Horizontal downscale ratio, [1, 256]
Default: 0
--dsl_ratio_ver
Vertical downscale ratio, [1, 128]
Default: 0
--dsl_frame_width
Downscaled frame width in pixels
Default: 0
--dsl_frame_height
Downscaled frame height in pixels
Default: 0
--dsl_pos_mode
Flexible Downscaled original position mode [0, 2],
only availble in high precision mode.
Value: 0 [default:x_original=(x_resized + 0.5)/scale - 0.5]
Value: 1 [x_original=x_reized/scale]
Value: 2 [x_original=(x_resized+0.5)/scale]
Default: 0
--frames
nr of frames to process
Default: 0
--fro
Frame reordering 1 is on (default), 0 is off
Default: 1
--ish
Ignore Stream Headers 1 is on, 0 is off (default)
Default: 0
--trystop
Try if Decoding Stop Command exixts
Default: 0
--one_frame_per_packet
Each input buffer contains one frame.
Default: 0
-n, --interlaced
Frames are interlaced
Default: 0
--tiled
Use tiles for AFBC formats.
Default: disabled
--preload
preload the input stream to memory.
the size for input file should be less than 15MBytes.
Default: 0
--fw_timeout
timeout value[secs] for watchdog timeout. range: 5~60.
Default: 5
--profiling
enable profiling for bandwidth statistics . 0:disable; 1:enable.
Default: 0
2.2.2 mvx_decoder_multi
一些基本用法
//将input.264的H.264视频流（带startcode）解码为output.yuv，同时4路解码并行
//输入码流的编码格式默认为H.264
//输出YUV数据的像素格式默认为YUV420P
mvx_decoder_multi -n 4 /mnt/streams/input.264 /mnt/test/output.yuv
//将input.265的HEVC视频流（带startcode）解码为output.yuv，4路同时进行，output.yuv的像素格式为NV21
mvx_decoder_multi -n 4 -i hevc -o yuv420_nv21 /mnt/streams/input.265 /mnt/test/output.yuv
参数说明
usage: ./mvx_decoder_multi [optional] [positional]
positional arguments:
input
Input file.
output
Output file.
optional arguments:
--dev
Device.
Default: /dev/video0
-i, --inputformat
Pixel format.
Default: h264
-o, --outputformat
Output pixel format.
Default: yuv420
-s, --stride
Stride alignment.
Default: 1
-n, --nsessions
Number of sessions.
Default: 1
2.2.3 mvx_encoder
一些基本用法
//将input.yuv的YUV420P流编码为output.264的H.264视频流（带startcode）
//输入YUV流的像素格式默认为YUV420P
//输出视频流的编码格式默认为H.264
mvx_encoder -f raw -w 1280 -h 720 /mnt/streams/input.yuv /mnt/test/output.264
//将input.yuv的NV21流编码为output.265的HEVC视频流(带startcode)
mvx_encoder -f raw -w 1280 -h 720 -i yuv420_nv21 -o hevc /mnt/streams/input.yuv /mnt/test/output.265
参数说明
usage: ./mvx_encoder [optional] [positional]
positional arguments:
input
Input file.
output
Output file.
optional arguments:
--dev
Device.
Default: /dev/video0
-i, --inputformat
Pixel format.
Default: yuv420
-o, --outputformat
Output pixel format.
Default: h264
-f, --format
Output container format. [ivf, raw]
Default: ivf
-w, --width
Width.
Default: 1920
-h, --height
Height.
Default: 1080
-s, --stride
Stride alignment.
Default: 1
--mirror
mirror, 1 : horizontal; 2 : vertical.
Default: 0
--roi_cfg
ROI config file.
--frames
nr of frames to process
Default: 0
--epr_cfg
Encode Parameter Records config file name
--rate_control
Selects rate control type, constant/variable/off
Default: off
--target_bitrate
If rate control is enabled, this option sets target bitrate
Default: 0
--max_bitrate
If rate control is enabled, this option sets maximum bitrate
Default: 0
--gop
GOP: 0 is None, 1 is Bidi, 2 is Low delay, 3 is Pyramid
Default: 0
--pframes
Number of P frames
Default: 0
--bframes
Number of B frames
Default: 0
-n, --minqp
H264 min QP
Default: 0
-m, --maxqp
H264 max QP
Default: 51
-t, --tier
Profile.
Default: 2
-l, --level
Level.
Default: 1
-v, --fps
Frame rate.
Default: 24
--ecm
0 is CAVLC, 1 is CABAC
Default: 1
--bitdepth
Set other bitdepth
Default: 8
-q, --fixedqp
H264 fixed QP for I P B frames.
If it is combined with -x, the value will later be increased with 2.
Default: 20
--qpi
H264 fixed QP for I frames.
Default: 20
--qpb
H264 fixed QP for B frames.
Default: 20
--qpp
H264 fixed QP for P frames.
Default: 20
--crop_left
encoder SPS crop param, left offset
Default: 0
--crop_right
encoder SPS crop param, right offset
Default: 0
--crop_top
encoder SPS crop param, top offset
Default: 0
--crop_bottom
encoder SPS crop param, bottom offset
Default: 0
--colour_description_range
VUI param: Colour description; range
Value: 0=Unspecified, 1=Limited, 2=Full
Default: 0
--colour_primaries
VUI param: Colour description;
colour primaries (0-255, see hevc spec. E.3.1)
Value: 0=Unspecified,
1=BT709,
2=BT470M,
3=BT601_625,
4=T601_525,
5=GENERIC_FILM,
6=BT2020
Default: 0
--transfer_characteristics
VUI param: Colour description;
transfer characteristics (0-255, see hevc spec. E.3.1)
Value: 0=Unspecified,
1=LINEAR,
2=SRGB,
3=SMPTE170M,
4=GAMMA22,
5=GAMMA28,
6=ST2084,
7=HLG,
8=SMPTE240M,
9=XVYCC,
10=BT1361,
11=ST428
Default: 0
--matrix_coeff
VUI param: Colour description;
matrix coefficients (0-255, see hevc spec. E.3.1)
Value: 0=Unspecified,
1=BT709,
2=BT470M,
3=BT601,
4=SMPTE240M,
5=T2020,
6=BT2020Constant
Default: 0
--time_scale
VUI param: vui_time_scale
Default: 0
--num_units_in_tick
VUI param: vui_num_units_in_tick
Default: 0
--aspect_ratio_idc
VUI param: aspect_ratio_idc. [0,255]
Default: 0
--sar_width
VUI param: sar_width
Default: 0
--sar_height
VUI param: sar_height
Default: 0
--video_format
VUI param: video_format. (0-5, see hevc spec. E.3.1)
Value: 0=Component, 2=PAL, 2=NTSC, 3=SECAM, 4=MAC, 5=Unspecified
Default: 0
--sei_mastering_display
SEI param : mastering display 's parameters
Default: 0
--sei_content_light
SEI param : sei_content_light
Default: 0
--sei_user_data_unregistered
SEI param : user data unregisterd
Default: 0
--hrd_buffer_size
Hypothetical Reference Decoder buffer size
relative to the bitrate (in seconds) for rate control Value: should bigger than target_bitrate/fps on normal case
Default: 0
--ltr_mode
encoder long term reference mode,range from 1 to 8 (inclusive)
1: LDP-method-1 |
2: LDP-method-2 |
3: LDB-method-1 |
4: LDB-method-2
5: BiDirection-method-1 |
6: BiDirection-method-2 |
7: Pyrimid-method-1 |
8: Pyrimid-method-2
Default: 0
--ltr_period
encoder long term reference period, range from 2 to 254 (inclusive)
Default: 0
--trystop
Try if Encoding Stop Command exixts
Default: 0
--restart_interval
JPEG restart interval.
Default: -1
--quality
JPEG compression quality. [1-100, 0 - default]
Default: 0
--preload
preload the first 5 yuv frames to memory.
Default: 0
--fw_timeout
timeout value[secs] for watchdog timeout. range: 5~60.
Default: 5
--profiling
enable profiling for bandwidth statistics . 0:disable; 1:enable.
Default: 0
2.2.4 mvx_encoder_multi
一些基本用法
//将input.yuv的YUV420P流编码为output.264的H.264视频流（带startcode），4路同时进行
mvx_encoder_multi -n 4 -w 1280 -h 720 /mnt/streams/input.yuv /mnt/test/output.264
//将input.yuv的NV21流编码为output.265的HEVC视频流(带startcode)，4路同时进行
mvx_encoder_multi -n 4 -w 1280 -h 720 -i yuv420_nv21 -o hevc /mnt/streams/input.yuv /mnt/test/output.265
参数说明
usage: ./mvx_encoder_multi [optional] [positional]
positional arguments:
input
Input file.
output
Output file.
optional arguments:
--dev
Device.
Default: /dev/video0
-i, --inputformat
Pixel format.
Default: yuv420
-o, --outputformat
Output pixel format.
Default: h264
-s, --stride
Stride alignment.
Default: 1
-w, --width
Stride alignment.
Default: 1280
-h, --height
Stride alignment.
Default: 720
-f, --frames
Specfied frame count to be processed.
Default: 0
-n, --nsessions
Number of sessions.
Default: 1
2.2.5 mvx_logd
一些基本用法
//挂载debugfs，保存fw的log到文件
mount -t debugfs none /sys/kernel/debug
//清除之前的log
mvx_logd -C
//设置好保存路径
mvx_logd -d -f text xxx.log
//开始播放视频
//查看xxx.log
参数说明
Usage: ./mvx_logd [OPTIONS] [DST]
Positional arguments:
DST
Output file (default stdout).
Optional arguments:
-h
--help This help message.
-C
Clear ring buffer.
-c
Clear ring buffer after first printing its contents.
-d
Daemonize process. DST file is expected in this case.
--follow
Keep on reading.
-f
Format.
text Text format (default).
bin Binary format.
json Java Script Object Notation.
-i
Input file (default /sys/kernel/debug/amvx/log/drain/ram0/msg).
-t
Adjust for timezone differences.
Example:
Print and clear log.
# mvx_logd -c
Run in daemon mode.
# mvx_logd -d -f bin fw.log
Unpack binary log and adjust for timezone differences.
# mvx_logd -t -1 fw.log
2.3 代码结构
k1x-vpu-test 的代码位置在：
package-src/k1x-vpu-test
代码结构及简要说明如下：
|-- CMakeLists.txt //cmake构建脚本
|-- debian //deb包构建的相关配置和脚本
|-- format.sh //代码风格格式化脚本，Google风格进行格式化
|-- include //重要头文件
| |-- fw_v2
| | `-- mve_protocol_def.h
| |-- md5.h
| |-- mvx_argparse.h
| |-- mvx_list.h
| |-- mvx_log_ram.h
| `-- mvx-v4l2-controls.h //VPU驱动的附加API
|-- test
| |-- coverage
| |-- md5 //md5相关的API与实现
| | |-- CMakeLists.txt
| | |-- md5.c
| | `-- md5.h
| |-- mvx_player //测试程序集实现代码
| | |-- CMakeLists.txt
| | |-- dmabufheap //dmabuf管理相关API与实现
| | | |-- BufferAllocator.cpp
| | | |-- BufferAllocator.h
| | | |-- BufferAllocatorWrapper.cpp
| | | |-- BufferAllocatorWrapper.h
| | | `-- dmabufheap-defs.h
| | |-- mvx_decoder.cpp //mvx_decoder实现
| | |-- mvx_decoder_multi.cpp //mvx_decoder_multi实现
| | |-- mvx_encoder.cpp //mvx_encoder实现
| | |-- mvx_encoder_gen.cpp //mvx_encoder_gen实现
| | |-- mvx_encoder_multi.cpp //mvx_encoder_multi实现
| | |-- mvx_info.cpp //mvx_info实现
| | |-- mvx_player.cpp //核心逻辑封装实现
| | |-- mvx_player.hpp //核心逻辑封装API
| | `-- reader //码流读取API与实现
| | |-- parser.h
| | `-- read_util.h
| |-- userptr
| | |-- CMakeLists.txt
| | `-- mvx_userptr.cpp
| `-- utils //utils
| |-- CMakeLists.txt
| |-- mvx_argparse.c
| |-- mvx_argparse.h
| `-- mvx_list.h
`-- tools
|-- logd //logd实现，抓取VPU的firmware的log
| |-- CMakeLists.txt
| |-- mvx_logd.cpp
| |-- mvx_logd_fwif_v2.cpp
| `-- mvx_logd.hpp
`-- securevideo //用于安全视频的测试（未验证使用）
|-- 50-mvx.rules
|-- mvx_securehelper.cpp
|-- mvx_secureplayer.cpp
|-- mvx_securevideo.cpp
`-- mvx_securevideo.hpp
2.4 编译说明
Bianbu 桌面系统
cd k1x-vpu-test
sudo apt-get build-dep k1x-vpu-test #安装依赖
dpkg-buildpackage -us -uc -nc -b -j32
Bianbu Linux 系统
cd k1x-vpu-test
mkdir out
cd out
cmake ..
make
make install
2.5 调试说明
2.5.1 Log 添加
使用 printf 或者 fprintf 来添加 log，重新编译安装即可生效
2.5.2 解码成功 log
- 单路解码
/mnt/tool # ./mvx_decoder -f raw /mnt/streams/h264dec/Zhling_1280x720.264 /mnt/test/output.yuv //输入命令
Opening '/dev/video0'.
Enumerate frame size. index=0, pixel_format=32314d59, min_width=2, max_width=8192, step_width=2, min_height=2, max_height=8192, step_height=2
Format: type=2, format=875967048, width=0, height=0, sizeimage=1048576, bytesperline=0, interlaced:1
Format: type=9, format=842091865, width=0, height=0, nplanes=3, bytesperline=[0, 0, 0], sizeimage=[0, 0, 0], interlaced:1
Request buffers. type=2, count=6, memory=4
Query: type=2, index=0, sequence=0, timestamp={0, 0}, flags=4000, bytesused=0, length=1048576
Query: type=2, index=1, sequence=0, timestamp={0, 0}, flags=4000, bytesused=0, length=1048576
Query: type=2, index=2, sequence=0, timestamp={0, 0}, flags=4000, bytesused=0, length=1048576
Query: type=2, index=3, sequence=0, timestamp={0, 0}, flags=4000, bytesused=0, length=1048576
Query: type=2, index=4, sequence=0, timestamp={0, 0}, flags=4000, bytesused=0, length=1048576
Query: type=2, index=5, sequence=0, timestamp={0, 0}, flags=4000, bytesused=0, length=1048576
Request buffers. type=9, count=1, memory=4
Query: type=9, index=0, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[1, 1, 1], offset=[0, 0, 0]
//申请输入输出buffer
Stream on 2
Stream on 9
//输入输出开流
Event. type=5.
source changed. should reset output stream.
Stream off 9
Request buffers. type=9, count=0, memory=4
Format: type=9, format=842091865, width=1280, height=720, nplanes=3, bytesperline=[1280, 640, 640], sizeimage=[921600, 230400, 230400], interlaced:1
Request buffers. type=9, count=4, memory=4
Query: type=9, index=0, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[921600, 230400, 230400], offset=[0, 0, 0]
Query: type=9, index=1, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[921600, 230400, 230400], offset=[0, 0, 0]
Query: type=9, index=2, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[921600, 230400, 230400], offset=[0, 0, 0]
Query: type=9, index=3, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[921600, 230400, 230400], offset=[0, 0, 0]
Stream on 9
//收到分辨率改变消息，关闭输出流，重新申请输出buffer，开启输出流
-----Decoder. set timestart_us: 15432355548 us---------
//开始解码
Capture EOS.
-----[Test Result] MVX Decode Done. frames_processed: 18, cost time: 16604176 us.
Stream off 2
Stream off 9
-----[Test Result] MVX Decode PASS. Average Framerate: 1.08.
Total size 26265600
Closing fd 5.
//解码完成，输出信息，退出
- 多路解码
/mnt/tool # ./mvx_decoder_multi -n 4 /mnt/streams/h264dec/foreman_128x64.264 /mnt/test/output.yuv
//命令
-----Decoder. set timestart_us: 16076598695 us---------
-----Decoder. set timestart_us: 16076606348 us---------
-----Decoder. set timestart_us: 16076569259 us---------
-----Decoder. set timestart_us: 16076788196 us---------
//开始解码
-----[Test Result] MVX Decode Done. frames_processed: 2, cost time: 148367 us.
-----[Test Result] MVX Decode Done. frames_processed: 2, cost time: 250563 us.
-----[Test Result] MVX Decode Done. frames_processed: 2, cost time: 217680 us.
-----[Test Result] MVX Decode Done. frames_processed: 2, cost time: 279399 us.
Total size 36864
Total size 36864
Total size 36864
Total size 36864
//解码完成，输出信息，退出
2.5.3 编码成功 log
- 单路编码
/mnt/tool # ./mvx_encoder -f raw -w 1280 -h 720 /mnt/streams/yuv/zhling_1280x720.yuv /mnt/test/output.264
//命令
Opening '/dev/video0'.
setEncFramerate( 1966080 )
setRateControl( 0,0,0)
Enumerate frame size. index=0, pixel_format=34363248, min_width=2, max_width=8192, step_width=2, min_height=2, max_height=8192, step_height=2
Format: type=10, format=842091865, width=1280, height=720, nplanes=3, bytesperline=[1280, 640, 640], sizeimage=[921600, 230400, 230400], interlaced:1
Format: type=9, format=875967048, width=1280, height=720, nplanes=1, bytesperline=[0, 0, 0], sizeimage=[921600, 0, 0], interlaced:1
Request buffers. type=10, count=3, memory=4
Query: type=10, index=0, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[921600, 230400, 230400], offset=[0, 0, 0]
Query: type=10, index=1, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[921600, 230400, 230400], offset=[0, 0, 0]
Query: type=10, index=2, sequence=0, timestamp={0, 0}, flags=4000, num_planes=3, bytesused=[0, 0, 0], length=[921600, 230400, 230400], offset=[0, 0, 0]
Request buffers. type=9, count=9, memory=4
Query: type=9, index=0, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=1, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=2, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=3, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=4, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=5, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=6, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=7, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
Query: type=9, index=8, sequence=0, timestamp={0, 0}, flags=4000, num_planes=1, bytesused=[0], length=[921600], offset=[0]
//申请输入输出buffer
Stream on 10
Stream on 9
//输入输出开流
-----Encoder. set timestart_us: 15823672258 us---------
//开始编码
Capture EOS.
-----[Test Result] MVX Encode Done. frames_processed: 19, cost time: 28493385 us.
Stream off 10
Stream off 9
-----[Test Result] MVX Encode PASS. Average Framerate: 0.67.
Total size 140165
Closing fd 5.
//编码完成，输出信息，退出
- 多路编码
/mnt/tool # ./mvx_encoder_multi -n 4 -w 128 -h 64 /mnt/streams/yuv/foreman_128x64_3frames.yuv /mnt/test/output.264
//命令
-----Encoder. set timestart_us: 16243183563 us---------
-----Encoder. set timestart_us: 16243458316 us---------
-----Encoder. set timestart_us: 16243756086 us---------
-----Encoder. set timestart_us: 16244053547 us---------
//开始编码
-----[Test Result] MVX Encode Done. frames_processed: 3, cost time: 634710 us.
-----[Test Result] MVX Encode Done. frames_processed: 3, cost time: 952320 us.
-----[Test Result] MVX Encode Done. frames_processed: 3, cost time: 389159 us.
-----[Test Result] MVX Encode Done. frames_processed: 3, cost time: 147590 us.
Total size 1618
Total size 1618
Total size 1618
Total size 1618
//编码完成，输出信息，退出