embeded/ARM2022. 8. 26. 18:25

왜 찾게 되었냐면.. 알고 싶지 않았습니다.. -_-

[링크 : https://stackoverflow.com/questions/20436466/lsb-to-msb-bit-reversal-on-arm]

 

RBIT
Reverse the bit order in a 32-bit word.

Syntax
RBIT{cond} Rd, Rn

[링크 : https://developer.arm.com/documentation/dui0473/m/arm-and-thumb-instructions/rbit]

 

REV
Reverse the byte order in a word.

Syntax
REV{cond} Rd, Rnn

[링크 : https://developer.arm.com/documentation/dui0473/m/arm-and-thumb-instructions/rev]

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embeded/raspberry pi2022. 8. 17. 15:54

SPI 통신시

2MHz 클럭에 3200Hz / 1600Hz 사용 가능

 

I2C 통신시

400kHz(고속 i2c)일 경우 800 Hz

100kHz(표준 i2c) 200 Hz에

SPI
The maximum SPI clock speed is 5 MHz with 100 pF maximum loading, and the timing scheme follows clock polarity (CPOL) = 1 and clock phase (CPHA) = 1.

Use of the 3200 Hz and 1600 Hz output data rates is only recommended with SPI communication rates greater than or equal to 2 MHz. The 800 Hz output data rate is recommended only for communication speeds greater than or equal to 400 kHz, and the remaining data rates scale proportionally. For example, the minimum recommended communication speed for a 200 Hz output data rate is 100 kHz

I2C
Due to communication speed limitations, the maximum output data rate when using 400 kHz I2C is 800 Hz and scales linearly with a change in the I2C communication speed. For example, using I2C at 100 kHz would limit the maximum ODR to 200 Hz

 

4 wire는 CS / SCLK / SDI / SDO를 쓴다면

3 wire는 CS / SCLK / SDIO 로 쓰는 듯.

(SDIO Serial Data Input Output의 약자 Secure Digital I/O의 약자이기도 하니.. 주의!)

[링크 : https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL345.pdf]

Posted by 구차니
embeded/raspberry pi2022. 8. 17. 12:46

핀 피치가 2.54mm가 아닌 2.00mm 인데다가 구멍이 반이 없어서 어떻게 땜을 해야하나 고민하다 전문가에게 토스~

역시 전문가의 손은 다르구만

 

VCC 는 3.3V 라는데

[링크 : https://os.mbed.com/users/edodm85/notebook/radio-fm-tea5767/]

 

TEA5767 칩 자체는 3.0 Typical, 5.0 Max 라서 5V를 넣어도 되지 않나 싶긴 한데.. 그래도 Max 니까.. 참아야겠...지?

AMS1117-3.3을 투입할 시간이 되겠군...

MPXO는 MPX 가 있냐 없냐를 출력해주려나?

[링크 : https://www.sparkfun.com/datasheets/Wireless/General/TEA5767.pdf]

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embeded/raspberry pi2022. 8. 10. 18:03

패키지 설치

$ sudo apt install cmake ninja meson libpixman-1-0 libpixman-1-dev libdrm-dev libdrm-common libdrm2 libxkbcommon-dev libwayland-dev

[링크 : https://github.com/ammen99/wf-recorder/issues/74]

 

ninja 설치

$ git clone https://github.com/ninja-build/ninja.git
$ cd ninja
$ ./configure.py --bootstrap

[링크 : https://ninja-build.org/]

 

git clone https://github.com/any1/wayvnc.git
git clone https://github.com/any1/neatvnc.git
git clone https://github.com/any1/aml.git

mkdir wayvnc/subprojects
cd wayvnc/subprojects
ln -s ../../neatvnc .
ln -s ../../aml .
cd -

mkdir neatvnc/subprojects
cd neatvnc/subprojects
ln -s ../../aml .
cd -

meson build
ninja -C build

[링크 : https://github.com/any1/wayvnc]

 

+

sway를 실행하고

 

sway에서 터미널을 연 다음, wayvnc를 실행

 

tightVNC로 접속 확인.

 

어익 후 라즈베리 3b에서 cpu가 죽어나네

 

rpi3 같은 메모리 대역폭 후달리는 애도 잘 쓰도록 만들었다는데 머.. 3.3%면 양호한건가..

sway가 문제인가?

The OpenGL ES 2.0 based renderer has now been replaced with a pixman based renderer. The new renderer is both simpler and performs better on devices with poor memory bandwidth such as the Raspberry Pi 3.

[링크 : https://github.com/any1/wayvnc/releases]

 

+

22.08.11

rpi 4 에서 실행하니 cpu가 착해진다. openGL ES 성능 차이인가..

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embeded/raspberry pi2022. 8. 10. 10:32

2022년 4월 4일자 bullseye 배포판에 wayland가 들어있다는데

raspi-config를 통해 wayland로 변경이 가능한 듯.

순수(?) wayland는 아니고 X11-wayland 인 것 같긴한데 어떻게 바꾸려나?

[링크 : https://blog.desdelinux.net/en/raspberry-pi-os-2022-04-04-arrives-with-initial-wayland-support-improvements-in-the-configuration-assistant-and-more/]

[링크 : https://www.phoronix.com/news/Raspberry-Pi-OS-Wayland]

[링크 : https://www.linuxadictos.com/ko/raspberry-pi-os-empieza-a-experimentar-con-wayland.html]

 

라즈베리 파이 3, 64bit 버전, raspi-config에서 Advanced로 들어가니 A9 Wayland가 존재한다.

 

Yes 해주고

 

리부팅 요청하는데 그건 귀찮으니 패스

 

라즈베리 파이 3라서 안되는건가.. 아니면 64bit 버전이라 그런가?

$ ps -ef | grep way
pi           843     702  3 11:21 ?        00:00:03 /usr/bin/Xwayland :0 -rootless -noreset -accessx -core -auth /run/user/1000/.mutter-Xwaylandauth.AFF5Q1 -listen 4 -listen 5 -displayfd 6 -listen 7

$ sudo apt install wayvnc
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package wayvnc

 

32bit rpi-OS 해도 안되는건 매한가지 -_-

$ ps -ef | grep way
pi        1481  1462  0 12:09 pts/1    00:00:00 grep --color=auto way

$ uname -a
Linux raspberrypi 5.15.32-v7+ #1538 SMP Thu Mar 31 19:38:48 BST 2022 armv7l GNU/Linux

$ sudo apt-get install wayvnc
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package wayvnc

 

우분투 22.04 LTS 설치(x86) 실행은 안되네?

$ uname -a
Linux victor-770Z5E-780Z5E 5.15.0-43-generic #46-Ubuntu SMP Tue Jul 12 10:30:17 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

$ sudo apt-get install wayvnc
패키지 목록을 읽는 중입니다... 완료
의존성 트리를 만드는 중입니다... 완료
상태 정보를 읽는 중입니다... 완료
다음의 추가 패키지가 설치될 것입니다 :
  libaml0 libneatvnc0 libturbojpeg
다음 새 패키지를 설치할 것입니다:
  libaml0 libneatvnc0 libturbojpeg wayvnc
0개 업그레이드, 4개 새로 설치, 0개 제거 및 4개 업그레이드 안 함.
235 k바이트 아카이브를 받아야 합니다.
이 작업 후 839 k바이트의 디스크 공간을 더 사용하게 됩니다.
계속 하시겠습니까? [Y/n]

$ wayvnc
wl_registry@2: error 0: invalid version for global wl_output (4): have 2, wanted 3
ERROR: Virtual Pointer protocol not supported by compositor.
ERROR: Failed to initialise wayland

 

혹시나 해서 해보는데 영 진척이 없다.

$ sudo nano /etc/gdm3/custom.conf
WaylandEnable=true

[링크 : https://linuxconfig.org/how-to-enable-disable-wayland-on-ubuntu-22-04-desktop]

 

초기값(true도 false도 아닌 WaylandEnable 자체가 comment)

$ ps -ef | grep way
root         853       1  0 11:41 ?        00:00:00 /usr/bin/python3 /usr/bin/waydroid -w container start
minimonk 20264   20253  0 12:38 tty2     00:00:00 /usr/libexec/gdm-wayland-session env GNOME_SHELL_SESSION_MODE=ubuntu /usr/bin/gnome-session --session=ubuntu


$ wayvnc
wl_registry@2: error 0: invalid version for global wl_output (4): have 2, wanted 3
ERROR: Virtual Pointer protocol not supported by compositor.
ERROR: Failed to initialise wayland

 

false 일때

$ ps -ef | grep way
root         853       1  0 11:41 ?        00:00:00 /usr/bin/python3 /usr/bin/waydroid -w container start

$ wayvnc
ERROR: Failed to initialise wayland

 

true 일때

$ ps -ef | grep way
root         853       1  0 11:41 ?        00:00:00 /usr/bin/python3 /usr/bin/waydroid -w container start
minimonk 18392   18381  0 12:32 tty2     00:00:00 /usr/libexec/gdm-wayland-session env GNOME_SHELL_SESSION_MODE=ubuntu /usr/bin/gnome-session --session=ubuntu

$ wayvnc
wl_registry@2: error 0: invalid version for global wl_output (4): have 2, wanted 3
ERROR: Virtual Pointer protocol not supported by compositor.
ERROR: Failed to initialise wayland

 

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embeded/raspberry pi2022. 6. 20. 14:42

industrial io(iio)

The mcp320x driver interface is through sysfs.
The first device will be found here /sys/bus/iio/devices/iio:device0

# ls /sys/bus/iio/devices/iio\:device0
dev                       in_voltage2-voltage3_raw  in_voltage5_raw           name
in_voltage-voltage_scale  in_voltage2_raw           in_voltage6-voltage7_raw  of_node
in_voltage0-voltage1_raw  in_voltage3_raw           in_voltage6_raw           power
in_voltage0_raw           in_voltage4-voltage5_raw  in_voltage7_raw           subsystem
in_voltage1_raw           in_voltage4_raw           in_voltage_scale          uevent

# cat /sys/bus/iio/devices/iio\:device0/in_voltage0_raw
514

[링크 : https://jumpnowtek.com/rpi/Using-mcp3008-ADCs-with-Raspberry-Pis.html]


[링크 :
https://github.com/scottellis/mcp3008-poll/blob/master/mcp3008-poll.c]

[링크 : https://github.com/scottellis/mcp3008-poll]

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embeded/raspberry pi2022. 5. 25. 12:25

음.. 10만원 근처인데 개인적인 취향은 아니라 패스~ 하는걸로

 

사이즈는 텐키리스

 

Raspberry Pi 400 이라는 모델. 영국내 제조인 듯.

 

LAN도 넣어두고는 저 놈의 USB는 왜 일렬로 해서 -_-

차라리 USB 3.0은 세로로 두개 하고 한개는 full size HDMI 해주지! 라는 아쉬움이 드는 설계 -_ㅠ

 

 

귀찮아서(!) 라즈베리 4 64bit OS 설치해 놓은걸로 두세번 부팅하니 켜지긴 한데

그게 HDMI 0번에 연결하지 않아 발생한 문제인진 모르겠다.

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embeded/jetson2022. 4. 22. 15:34

deepstream 6.0 부터 NHWC 네트워크 입력을 지원한다고 한다.

그런데 이 NHWC가 먼지 몰라서 헤매는 중...

그러니까.. 이전에는 NHWC는 지원하지 않았으니 NCHW만 지원했던건가?

Support for NHWC network input DS 6.0

 

nvinfer 모듈에서 NCHW가 언급되는 항목은 아래와 같은데

입력 레이어, 출력 레이어의 순서 그리고 uff 관련 입력 차원/순서에 대한 내용인데..

UFF 안쓰면 network-input-order와 segmentation-output-order만 보면 될 것 같긴하다.

network-input-order Order of the network input layer (ignored if input-tensor-meta enabled) Integer 0:NCHW 1:NHWC network-input-order=1 All
Both
segmentation-output-order Segmentation network output layer order Integer 0: NCHW 1: NHWC segmentation-output-order=1 Segmentation
Both
uff-input-dims DEPRECATED. Use infer-dims and uff-input-order instead.
Dimensions of the UFF model
channel; height; width; input-order All integers, ≥0 input-dims=3;224;224;0
Possible values for input-order are:
0: NCHW
1: NHWC
All
Both

 

uff-input-order UFF input layer order Integer 0: NCHW 1: NHWC 2: NC uff-input-order=1 All
Both

[링크 : https://docs.nvidia.com/metropolis/deepstream/dev-guide/text/DS_plugin_gst-nvinfer.html]

 

conv 연산시 nhwc가 nchw에 비해서 빠르다고 하는데 데이터 순서에 따른 인접성 때문에 그런가?

[링크 : https://moon-walker.medium.com/train-faster-텐서플로우-성능-최적화-기법-d67d3faee959]

 

약어는 아래와 같다고.

N: number of images in the batch
H: height of the image
W: width of the image
C: number of channels of the image (ex: 3 for RGB, 1 for grayscale...)

[링크 : https://stackoverflow.com/questions/37689423/convert-between-nhwc-and-nchw-in-tensorflow]

[링크 : https://code-examples.net/ko/q/23f184f]

 

일단.. deepstream 에서 받아들이는 텐서는 3x320x320 인데

INFO: [Implicit Engine Info]: layers num: 4
0   INPUT  kFLOAT image_tensor    3x320x320
1   OUTPUT kHALF  detected_boxes  256x4
2   OUTPUT kINT32 detected_classes 256
3   OUTPUT kHALF  detected_scores 256

 

NCHW를 NHWC로 바꾸니까

1x3x320x320 으로 들어올 것이

1x320x320x3 으로 들어오는지 범위를 벗어났다고 경고를 띄운다.

WARNING: Backend context bufferIdx(0) request dims:1x320x320x3 is out of range, [min: 1x3x320x320, max: 1x3x320x320]
ERROR: [TRT]: 4: [network.cpp::validate::2959] Error Code 4: Internal Error (image_tensor: for dimension number 1 in profile 0 does not match network definition (got min=320, opt=320, max=320), expected min=opt=max=3).)
ERROR: Build engine failed from config file
ERROR: failed to build trt engine.
0:00:05.708555452 30995     0x2a01fa70 ERROR                nvinfer gstnvinfer.cpp:632:gst_nvinfer_logger:<primary_gie> NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::buildModel() <nvdsinfer_context_impl.cpp:1934> [UID = 1]: build engine file failed
0:00:05.713238769 30995     0x2a01fa70 ERROR                nvinfer gstnvinfer.cpp:632:gst_nvinfer_logger:<primary_gie> NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::generateBackendContext() <nvdsinfer_context_impl.cpp:2020> [UID = 1]: build backend context failed
0:00:05.713377574 30995     0x2a01fa70 ERROR                nvinfer gstnvinfer.cpp:632:gst_nvinfer_logger:<primary_gie> NvDsInferContext[UID 1]: Error in NvDsInferContextImpl::initialize() <nvdsinfer_context_impl.cpp:1257> [UID = 1]: generate backend failed, check config file settings
** ERROR: <main:707>: Failed to set pipeline to PAUSED
Quitting
ERROR from primary_gie: Failed to create NvDsInferContext instance
Debug info: /dvs/git/dirty/git-master_linux/deepstream/sdk/src/gst-plugins/gst-nvinfer/gstnvinfer.cpp(841): gst_nvinfer_start (): /GstPipeline:pipeline/GstBin:primary_gie_bin/GstNvInfer:primary_gie:
Config file path: /opt/nvidia/deepstream/deepstream-6.0/sources/objectDetector_SSD/config_infer_primary_ssd.txt, NvDsInfer Error: NVDSINFER_CONFIG_FAILED

 

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embeded/jetson2022. 4. 21. 11:54

ETS320 장비를 jetson nano에 연결하니 스토리지와 v4l/uvc 장비로 인식이 되는 것 같다.

$ dmesg
[264102.798221] usb 1-2.3: new high-speed USB device number 5 using tegra-xusb
[264102.825756] usb 1-2.3: New USB device found, idVendor=09cb, idProduct=1007
[264102.825770] usb 1-2.3: New USB device strings: Mfr=7, Product=8, SerialNumber=0
[264102.825780] usb 1-2.3: Product: FLIR Ex-Series
[264102.825790] usb 1-2.3: Manufacturer: FLIR Systems
[264102.852306] uvcvideo: Unknown video format 304d3746-0000-0010-8000-00aa00389b71
[264102.852439] uvcvideo: Found UVC 1.00 device FLIR Ex-Series (09cb:1007)
[264108.030765] uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround.
[264108.034120] uvcvideo 1-2.3:1.0: Entity type for entity Extension 6 was not initialized!
[264108.042461] uvcvideo 1-2.3:1.0: Entity type for entity Processing 5 was not initialized!
[264108.050726] uvcvideo 1-2.3:1.0: Entity type for entity Selector 4 was not initialized!
[264108.058830] uvcvideo 1-2.3:1.0: Entity type for entity Camera 1 was not initialized!
[264108.067201] input: FLIR Ex-Series as /devices/70090000.xusb/usb1/1-2/1-2.3/1-2.3:1.0/input/input4
[264108.067689] usb-storage 1-2.3:1.2: USB Mass Storage device detected
[264108.067964] scsi host0: usb-storage 1-2.3:1.2
[264109.087991] scsi 0:0:0:0: Direct-Access     FLIR     Removable        1.00 PQ: 0 ANSI: 0
[264109.100246] sd 0:0:0:0: [sda] 89664 2048-byte logical blocks: (184 MB/175 MiB)
[264109.110068] sd 0:0:0:0: [sda] Write Protect is off
[264109.115117] sd 0:0:0:0: [sda] Mode Sense: 00 06 00 00
[264109.116447] sd 0:0:0:0: [sda] Asking for cache data failed
[264109.122082] sd 0:0:0:0: [sda] Assuming drive cache: write through
[264109.151779]  sda:
[264109.170721] sd 0:0:0:0: [sda] Attached SCSI removable disk

 

젯슨 나노 하나 전체를 찍을 만큼의 배율과 촛점 거리는 안되는 듯..

[링크 : https://www.flirkorea.com/products/ets320]

 

사용자 설명서를 보니 FOV 고정, 촛점거리 7cm 로 고정 -_ㅠ

영상은 초당 9프레임

 

하지만 UVC 상에서는 15프레임으로 프레임이 변경되는 듯.

$ v4l2-ctl -d /dev/video1 --list-formats-ext
ioctl: VIDIOC_ENUM_FMT
        Index       : 0
        Type        : Video Capture
        Pixel Format: 'YUYV'
        Name        : YUYV 4:2:2
                Size: Discrete 320x240
                        Interval: Discrete 0.067s (15.000 fps)
                        Interval: Discrete 0.133s (7.500 fps)
                        Interval: Discrete 0.267s (3.750 fps)

        Index       : 1
        Type        : Video Capture
        Pixel Format: ''
        Name        : 304d3746-0000-0010-8000-00aa003
                Size: Discrete 320x246
                        Interval: Discrete 0.067s (15.000 fps)
                        Interval: Discrete 0.133s (7.500 fps)
                        Interval: Discrete 0.267s (3.750 fps)

 

와.. 가격 미친.. 예상보다 2배.. ㄷㄷ

[링크 : http://prod.danawa.com/info/?pcode=5595571]

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Posted by 구차니
embeded/jetson2022. 4. 19. 15:22

primary / secondary가 먼가 했더니..

한번 분석한걸 tracker를 거쳐 한번 더 분류하는 식으로 구성이 가능하도록 되어 있었기에 그런식으로 표현한 듯.

 

nvtracker는 openCV 기반이라 쓸 일은 없을 것 같고..

nvmultistreamtiler 가 nvstreammux 을 통해 받은 영상을 tile 구조로 mux 해서 출력해주고

nvosd가 nvinfer의 결과값을 받아 이름과 박스를 쳐주는 듯.




  • The Stream Muxer plugin (Gst-nvstreammux) to form a batch of buffers from multiple input sources.
  • The Preprocess plugin (Gst-nvdspreprocess) for preprocessing on the pre-defined ROIs for primary inferencing.
  • The NVIDIA TensorRT™ based plugin (Gst-nvinfer) for primary and secondary (attribute classification of primary objects) detection and classification respectively.
  • The OpenCV based tracker plugin (Gst-nvtracker) for object tracking with unique ID.
  • The Multi Stream Tiler plugin (Gst-nvmultistreamtiler) for forming 2D array of frames.
  • The Onscreen Display (OSD) plugin (Gst-nvdsosd) to draw shaded boxes, rectangles and text on the composited frame using the generated metadata.
  • The Message Converter (Gst-nvmsgconv) and Message Broker (Gst-nvmsgbroker) plugins in combination to send analytics data to a server in the Cloud.

[링크 : https://docs.nvidia.com/metropolis/deepstream/dev-guide/text/DS_ref_app_deepstream.html]

 

$ unset DISPLAY
$ gst-inspect-1.0  | grep ^nv
nvarguscamerasrc:  nvarguscamerasrc: NvArgusCameraSrc
nvdsgst_deepstream_bins:  nvinferbin: NvInfer Bin
nvdsgst_deepstream_bins:  nvinferserverbin: NvInferServer Bin
nvdsgst_deepstream_bins:  nvosdbin: NvOsd Bin
nvdsgst_deepstream_bins:  nvdewarperbin: NvDewarper Bin
nvdsgst_deepstream_bins:  nvtilerbin: NvTiler Bin
nvdsgst_deepstream_bins:  nvtrackerbin: NvTracker Bin
nvdsgst_deepstream_bins:  nvurisrcbin: NvUriSrc Bin
nvdsgst_deepstream_bins:  nvcamerasrcbin: NvCameraSrc Bin
nvdsgst_deepstream_bins:  nvanalyticsbin: NvAnalytics Bin
nvdsgst_deepstream_bins:  nvvideorenderersinkbin: NvVideoRenderer Bin
nvdsgst_deepstream_bins:  nvvideoencfilesinkbin: NvVideoEncFilesink Bin
nvdsgst_deepstream_bins:  nvrtspoutsinkbin: NvRtspOut Bin
nvdsgst_deepstream_bins:  nvmsgbrokersinkbin: NvMsgBroker Bin
nvdsgst_deepstream_bins:  nvdsbuffersyncbin: NvBufferSync Bin
nvdsgst_ofvisual:  nvofvisual: nvofvisual
nvdsgst_inferaudio:  nvinferaudio: NvInfer Audio plugin
nvdsgst_videotemplate:  nvdsvideotemplate: NvDsVideoTemplate plugin for Transform/In-Place use-cases
nvdsgst_msgconv:  nvmsgconv: Message Converter
nvdsgst_multistream:  nvstreammux: Stream multiplexer
nvdsgst_multistream:  nvstreamdemux: Stream demultiplexer
nvdsgst_multistreamtiler:  nvmultistreamtiler: Stream Tiler DS
nvdsgst_segvisual:  nvsegvisual: nvsegvisual
nvdsgst_osd:  nvdsosd: NvDsOsd plugin
nvdsgst_logger:  nvdslogger: Nvdslogger
nvdsgst_infer:  nvinfer: NvInfer plugin
nvdsgst_dewarper:  nvdewarper: nvdewarper
nvdsgst_dsexample:  dsexample: DsExample plugin
nvdsgst_of:  nvof: nvof
nvdsgst_dsanalytics:  nvdsanalytics: DsAnalytics plugin
nvdsgst_audiotemplate:  nvdsaudiotemplate: DS AUDIO template Plugin for Transform IP use-cases
nvdsgst_msgbroker:  nvmsgbroker: Message Broker
nvdsgst_tracker:  nvtracker: NvTracker plugin
nvvideoconvert:  nvvideoconvert: NvVidConv Plugin
nvdsgst_preprocess:  nvdspreprocess: gst-nvdspreprocess plugin
nvvideosink:  nvvideosink: nVidia Video Sink
nvtee:  nvtee: NvTee
nvegltransform:  nvegltransform: NvEGLTransform
nveglglessink:  nveglglessink: EGL/GLES vout Sink
nvvideo4linux2:  nvv4l2decoder: NVIDIA v4l2 video decoder
nvvideo4linux2:  nvv4l2h264enc: V4L2 H.264 Encoder
nvvideo4linux2:  nvv4l2h265enc: V4L2 H.265 Encoder
nvvideo4linux2:  nvv4l2vp8enc: V4L2 VP8 Encoder
nvvideo4linux2:  nvv4l2vp9enc: V4L2 VP9 Encoder
nvvideocuda:  videocuda: CUDA Post processor
nvivafilter:  nvivafilter: NvIVAFilter Plugin
nvcompositor:  nvcompositor: NvCompositor
nvvideosinks:  nv3dsink: Nvidia 3D sink
nveglstreamsrc:  nveglstreamsrc: nVidia EGL Stream
nvvidconv:  nvvidconv: NvVidConv Plugin
nvv4l2camerasrc:  nvv4l2camerasrc: NvV4l2CameraSrc
nvdrmvideosink:  nvdrmvideosink: Nvidia Drm Video Sink
nvjpeg:  nvjpegenc: JPEG image encoder
nvjpeg:  nvjpegdec: JPEG image decoder

 

모듈별 설명

$ gst-inspect-1.0 nvstreammux
Factory Details:
  Rank                     primary (256)
  Long-name                Stream multiplexer
  Klass                    Generic
  Description              N-to-1 pipe stream multiplexing
  Author                   NVIDIA Corporation. Post on Deepstream for Tesla forum for any queries @ https://devtalk.nvidia.com/default/board/209/

Plugin Details:
  Name                     nvdsgst_multistream
  Description              NVIDIA Multistream mux/demux plugin
  Filename                 /usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_multistream.so
  Version                  6.0.1
  License                  Proprietary
  Source module            nvmultistream
  Binary package           NVIDIA Multistream Plugins
  Origin URL               http://nvidia.com/

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstNvStreamMux

Pad Templates:
  SINK template: 'sink_%u'
    Availability: On request
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)NV12, (string)RGBA, (string)I420 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

  SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)NV12, (string)RGBA, (string)I420 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
  SRC: 'src'
    Pad Template: 'src'

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "nvstreammux0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  batch-size          : Maximum number of buffers in a batch
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 1024 Default: 0
  batched-push-timeout: Timeout in microseconds to wait after the first buffer is available
                        to push the batch even if the complete batch is not formed.
                        Set to -1 to wait infinitely
                        flags: readable, writable
                        Integer. Range: -1 - 2147483647 Default: -1
  width               : Width of each frame in output batched buffer. This property MUST be set.
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  height              : Height of each frame in output batched buffer. This property MUST be set.
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  enable-padding      : Maintain input aspect ratio when scaling by padding with black bands.
                        flags: readable, writable
                        Boolean. Default: false
  gpu-id              : Set GPU Device ID
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  live-source         : Boolean property to inform muxer that sources are live.
                        flags: readable, writable
                        Boolean. Default: false
  num-surfaces-per-frame: Max number of surfaces per frame
                        flags: readable, writable
                        Unsigned Integer. Range: 1 - 4 Default: 1
  nvbuf-memory-type   : Type of NvBufSurface Memory to be allocated for output buffers
                        flags: readable, writable, changeable only in NULL or READY state
                        Enum "GstNvBufMemoryType" Default: 0, "nvbuf-mem-default"
                           (0): nvbuf-mem-default - Default memory allocated, specific to particular platform
                           (1): nvbuf-mem-cuda-pinned - Allocate Pinned/Host cuda memory
                           (2): nvbuf-mem-cuda-device - Allocate Device cuda memory
                           (3): nvbuf-mem-cuda-unified - Allocate Unified cuda memory
                           (4): nvbuf-mem-surface-array - Allocate Surface Array memory, applicable for Jetson
  compute-hw          : Compute Scaling HW
                        flags: readable, writable, controllable
                        Enum "GstNvComputeHWType" Default: 0, "Default"
                           (0): Default          - Default, GPU for Tesla, VIC for Jetson
                           (1): GPU              - GPU
                           (2): VIC              - VIC
  interpolation-method: Set interpolation methods
                        flags: readable, writable, controllable
                        Enum "GstNvInterpolationMethod" Default: 1, "Bilinear"
                           (0): Nearest          - Nearest
                           (1): Bilinear         - Bilinear
                           (2): Algo-1           - GPU - Cubic, VIC - 5 Tap
                           (3): Algo-2           - GPU - Super, VIC - 10 Tap
                           (4): Algo-3           - GPU - LanzoS, VIC - Smart
                           (5): Algo-4           - GPU - Ignored, VIC - Nicest
                           (6): Default          - GPU - Nearest, VIC - Nearest
  buffer-pool-size    : Maximum number of buffers from muxer's output pool
                        flags: readable, writable
                        Unsigned Integer. Range: 4 - 1024 Default: 4
  attach-sys-ts       : If set to TRUE, system timestamp will be attached as ntp timestamp.
                        If set to FALSE, ntp timestamp from rtspsrc, if available, will be attached.
                        flags: readable, writable
                        Boolean. Default: true
  sync-inputs         : Boolean property to force sychronization of input frames.
                        flags: readable, writable
                        Boolean. Default: false
  max-latency         : Additional latency in live mode to allow upstream to take longer to produce buffers for the current position (in nanoseconds)
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  frame-num-reset-on-eos: Reset frame numbers to 0 for a source from which EOS is received (For debugging purpose only)
                        flags: readable, writable
                        Boolean. Default: false

 

$ gst-inspect-1.0 nvinfer
Factory Details:
  Rank                     primary (256)
  Long-name                NvInfer plugin
  Klass                    NvInfer Plugin
  Description              Nvidia DeepStreamSDK TensorRT plugin
  Author                   NVIDIA Corporation. Deepstream for Tesla forum: https://devtalk.nvidia.com/default/board/209

Plugin Details:
  Name                     nvdsgst_infer
  Description              NVIDIA DeepStreamSDK TensorRT plugin
  Filename                 /usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_infer.so
  Version                  6.0.1
  License                  Proprietary
  Source module            nvinfer
  Binary package           NVIDIA DeepStreamSDK TensorRT plugin
  Origin URL               http://nvidia.com/

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstBaseTransform
                         +----GstNvInfer

Pad Templates:
  SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)NV12, (string)RGBA }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

  SINK template: 'sink'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)NV12, (string)RGBA }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
  SINK: 'sink'
    Pad Template: 'sink'
  SRC: 'src'
    Pad Template: 'src'

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "nvinfer0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  qos                 : Handle Quality-of-Service events
                        flags: readable, writable
                        Boolean. Default: false
  unique-id           : Unique ID for the element. Can be used to identify output of the element
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 15
  process-mode        : Infer processing mode
                        flags: readable, writable, changeable only in NULL or READY state
                        Enum "GstNvInferProcessModeType" Default: 1, "primary"
                           (1): primary          - Primary (Full Frame)
                           (2): secondary        - Secondary (Objects)
  config-file-path    : Path to the configuration file for this instance of nvinfer
                        flags: readable, writable, changeable in NULL, READY, PAUSED or PLAYING state
                        String. Default: ""
  infer-on-gie-id     : Infer on metadata generated by GIE with this unique ID.
                        Set to -1 to infer on all metadata.
                        flags: readable, writable, changeable only in NULL or READY state
                        Integer. Range: -1 - 2147483647 Default: -1
  infer-on-class-ids  : Operate on objects with specified class ids
                        Use string with values of class ids in ClassID (int) to set the property.
                         e.g. 0:2:3
                        flags: readable, writable, changeable only in NULL or READY state
                        String. Default: ""
  filter-out-class-ids: Ignore metadata for objects of specified class ids
                        Use string with values of class ids in ClassID (int) to set the property.
                         e.g. 0;2;3
                        flags: readable, writable, changeable only in NULL or READY state
                        String. Default: ""
  model-engine-file   : Absolute path to the pre-generated serialized engine file for the model
                        flags: readable, writable, changeable in NULL, READY, PAUSED or PLAYING state
                        String. Default: ""
  batch-size          : Maximum batch size for inference
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 1 - 1024 Default: 1
  interval            : Specifies number of consecutive batches to be skipped for inference
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 2147483647 Default: 0
  gpu-id              : Set GPU Device ID
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  raw-output-file-write: Write raw inference output to file
                        flags: readable, writable, changeable only in NULL or READY state
                        Boolean. Default: false
  raw-output-generated-callback: Pointer to the raw output generated callback funtion
                        (type: gst_nvinfer_raw_output_generated_callback in 'gstnvdsinfer.h')
                        flags: readable, writable, changeable only in NULL or READY state
                        Pointer.
  raw-output-generated-userdata: Pointer to the userdata to be supplied with raw output generated callback
                        flags: readable, writable, changeable only in NULL or READY state
                        Pointer.
  output-tensor-meta  : Attach inference tensor outputs as buffer metadata
                        flags: readable, writable, changeable only in NULL or READY state
                        Boolean. Default: false
  output-instance-mask: Instance mask expected in network output and attach it to metadata
                        flags: readable, writable, changeable only in NULL or READY state
                        Boolean. Default: false
  input-tensor-meta   : Use preprocessed input tensors attached as metadata instead of preprocessing inside the plugin
                        flags: readable, writable, changeable only in NULL or READY state
                        Boolean. Default: false

Element Signals:
  "model-updated" :  void user_function (GstElement* object,
                                         gint arg0,
                                         gchararray arg1,
                                         gpointer user_data);

 

deepstream_app_config.txt의 [primary-gie], [secondary-gie] 섹션

$ gst-inspect-1.0 nvtracker
Factory Details:
  Rank                     primary (256)
  Long-name                NvTracker plugin
  Klass                    NvTracker functionality
  Description              Gstreamer object tracking element
  Author                   NVIDIA Corporation. Post on Deepstream SDK forum for any queries @ https://devtalk.nvidia.com/default/board/209/

Plugin Details:
  Name                     nvdsgst_tracker
  Description              Gstreamer plugin to track the objects
  Filename                 /usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_tracker.so
  Version                  6.0.1
  License                  Proprietary
  Source module            nvtracker
  Binary package           GStreamer nvtracker Plugin
  Origin URL               http://nvidia.com/

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstBaseTransform
                         +----GstNvTracker

Pad Templates:
  SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)I420, (string)NV12, (string)RGBA }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

  SINK template: 'sink'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)I420, (string)NV12, (string)RGBA }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
  SINK: 'sink'
    Pad Template: 'sink'
  SRC: 'src'
    Pad Template: 'src'

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "nvtracker0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  qos                 : Handle Quality-of-Service events
                        flags: readable, writable
                        Boolean. Default: false
  tracker-width       : Frame width at which the tracker should operate, in pixels
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 640
  tracker-height      : Frame height at which the tracker should operate, in pixels
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 384
  gpu-id              : Set GPU Device ID
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  ll-config-file      : Low-level library config file path
                        flags: readable, writable
                        String. Default: null
  ll-lib-file         : Low-level library file path
                        flags: readable, writable
                        String. Default: null
  enable-batch-process: Enable batch processing across multiple streams ?
                        flags: readable, writable
                        Boolean. Default: true
  enable-past-frame   : Enable adding past frame track into user meta ?
                        flags: readable, writable
                        Boolean. Default: false
  tracking-surface-type: Set Tracking Surface Type, default is ALL,        (1) => SPOT Surface, (2) => AISLE Surface
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  compute-hw          : Compute Scaling HW
                        flags: readable, writable, controllable
                        Enum "GstNvComputeHWType" Default: 0, "Default"
                           (0): Default          - Default, GPU for Tesla, VIC for Jetson
                           (1): GPU              - GPU
                           (2): VIC              - VIC
  display-tracking-id : Display tracking id in object text
                        flags: readable, writable
                        Boolean. Default: true
  tracking-id-reset-mode: Tracking ID reset mode when stream reset or EOS happens
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 3 Default: 1

 

deepstream_app_config.txt의 [tiled-display] 섹션

$ gst-inspect-1.0 nvmultistreamtiler
Factory Details:
  Rank                     primary (256)
  Long-name                Stream Tiler DS
  Klass                    Generic
  Description              Tile input multistream buffer into a 2D array
  Author                   NVIDIA Corporation. Post on Deepstream for Tesla forum for any queries @ https://devtalk.nvidia.com/default/board/209/

Plugin Details:
  Name                     nvdsgst_multistreamtiler
  Description              NVIDIA Multistream Tiler plugin
  Filename                 /usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_multistreamtiler.so
  Version                  6.0.1
  License                  Proprietary
  Source module            nvmultistreamTiler
  Binary package           NVIDIA Multistream Plugins
  Origin URL               http://nvidia.com/

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstBaseTransform
                         +----GstNvMultiStreamTiler

Pad Templates:
  SINK template: 'sink'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)NV12, (string)RGBA, (string)I420 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

  SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)NV12, (string)RGBA, (string)I420 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
  SINK: 'sink'
    Pad Template: 'sink'
  SRC: 'src'
    Pad Template: 'src'

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "nvmultistreamtiler0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  qos                 : Handle Quality-of-Service events
                        flags: readable, writable
                        Boolean. Default: false
  columns             : Number of columns in the Tiled 2D output
                        flags: readable, writable
                        Unsigned Integer. Range: 1 - 4294967295 Default: 1
  rows                : Number of rows in the Tiled 2D output
                        flags: readable, writable
                        Unsigned Integer. Range: 1 - 4294967295 Default: 1
  width               : Width of the tiled output in pixels
                        flags: readable, writable
                        Unsigned Integer. Range: 16 - 4294967295 Default: 1920
  height              : Height of the tiled output in pixels
                        flags: readable, writable
                        Unsigned Integer. Range: 16 - 4294967295 Default: 1080
  gpu-id              : Set GPU Device ID
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  show-source         : ID of the source to be shown. If -1 all the sources will be tiled else only a single source will be scaled into the output buffer.
                        flags: readable, writable
                        Integer. Range: -1 - 2147483647 Default: -1
  nvbuf-memory-type   : Type of NvBufSurface Memory to be allocated for output buffers
                        flags: readable, writable, changeable only in NULL or READY state
                        Enum "GstNvBufMemoryType" Default: 0, "nvbuf-mem-default"
                           (0): nvbuf-mem-default - Default memory allocated, specific to particular platform
                           (1): nvbuf-mem-cuda-pinned - Allocate Pinned/Host cuda memory
                           (2): nvbuf-mem-cuda-device - Allocate Device cuda memory
                           (3): nvbuf-mem-cuda-unified - Allocate Unified cuda memory
                           (4): nvbuf-mem-surface-array - Allocate Surface Array memory, applicable for Jetson
  compute-hw          : Compute Scaling HW
                        flags: readable, writable, controllable
                        Enum "GstNvComputeHWType" Default: 0, "Default"
                           (0): Default          - Default, GPU for Tesla, VIC for Jetson
                           (1): GPU              - GPU
                           (2): VIC              - VIC
  interpolation-method: Set interpolation methods
                        flags: readable, writable, controllable
                        Enum "GstNvInterpolationMethod" Default: 6, "Default"
                           (0): Nearest          - Nearest
                           (1): Bilinear         - Bilinear
                           (2): Algo-1           - GPU - Cubic, VIC - 5 Tap
                           (3): Algo-2           - GPU - Super, VIC - 10 Tap
                           (4): Algo-3           - GPU - LanzoS, VIC - Smart
                           (5): Algo-4           - GPU - Ignored, VIC - Nicest
                           (6): Default          - GPU - Nearest, VIC - Nearest
  custom-tile-config  : Specifies individual tile resolution for all involved sources
                        flags: writable
                        Pointer. Write only

 

deepstream_app_config.txt의 [osd] 섹션

$ gst-inspect-1.0 nvdsosd
Factory Details:
  Rank                     primary (256)
  Long-name                NvDsOsd plugin
  Klass                    NvDsOsd functionality
  Description              Gstreamer bounding box draw element
  Author                   NVIDIA Corporation. Post on Deepstream for Tesla forum for any queries @ https://devtalk.nvidia.com/default/board/209/

Plugin Details:
  Name                     nvdsgst_osd
  Description              Gstreamer plugin to draw rectangles and text
  Filename                 /usr/lib/aarch64-linux-gnu/gstreamer-1.0/deepstream/libnvdsgst_osd.so
  Version                  6.0.1
  License                  Proprietary
  Source module            nvdsosd
  Binary package           GStreamer nvosd Plugin
  Origin URL               http://nvidia.com/

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstBaseTransform
                         +----GstNvDsOsd

Pad Templates:
  SRC template: 'src'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)RGBA }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

  SINK template: 'sink'
    Availability: Always
    Capabilities:
      video/x-raw(memory:NVMM)
                 format: { (string)RGBA }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
  SINK: 'sink'
    Pad Template: 'sink'
  SRC: 'src'
    Pad Template: 'src'

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "nvdsosd0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  qos                 : Handle Quality-of-Service events
                        flags: readable, writable
                        Boolean. Default: false
  display-clock       : Whether to display clock
                        flags: readable, writable
                        Boolean. Default: false
  display-text        : Whether to display text
                        flags: readable, writable
                        Boolean. Default: true
  clock-font          : Clock Font to be set
                        flags: readable, writable
                        String. Default: null
  clock-font-size     : font size of the clock
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 60 Default: 0
  x-clock-offset      : x-clock-offset
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  y-clock-offset      : y-clock-offset
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  clock-color         : clock-color
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  process-mode        : Rect and text draw process mode
                        flags: readable, writable, changeable only in NULL or READY state
                        Enum "GstNvDsOsdMode" Default: 2, "HW_MODE"
                           (0): CPU_MODE         - CPU_MODE
                           (1): GPU_MODE         - GPU_MODE, yet to be implemented for Tegra
                           (2): HW_MODE          - HW_MODE. Only for Tegra. For rectdraw only.
  hw-blend-color-attr : color attributes for all classes,
                         Use string with values of color class atrributes
                         in ClassID (int), r(float), g(float), b(float), a(float)
                         in order to set the property.
                         Applicable only for HW mode on Jetson.
                         e.g. 0,0.0,1.0,0.0,0.3:1,1.0,0.0,0.3,0.3
                        flags: readable, writable
                        String. Default: "0,0.000000,0.000000,0.000000,0.000000:"
  gpu-id              : Set GPU Device ID
                        flags: readable, writable, changeable only in NULL or READY state
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  display-bbox        : Whether to display bounding boxes
                        flags: readable, writable
                        Boolean. Default: true
  display-mask        : Whether to display instance mask
                        flags: readable, writable
                        Boolean. Default: false

 

$ gst-inspect-1.0 nveglglessink
Factory Details:
  Rank                     secondary (128)
  Long-name                EGL/GLES vout Sink
  Klass                    Sink/Video
  Description              An EGL/GLES Video Output Sink Implementing the VideoOverlay interface
  Author                   Reynaldo H. Verdejo Pinochet <reynaldo@collabora.com>, Sebastian Dröge <sebastian.droege@collabora.co.uk>

Plugin Details:
  Name                     nveglglessink
  Description              EGL/GLES sink
  Filename                 /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnveglglessink.so
  Version                  1.2.3
  License                  LGPL
  Source module            gst-plugins-bad
  Source release date      2014-02-08
  Binary package           GStreamer Nvidia Bad Plug-ins source release
  Origin URL               Unknown package origin

GObject
 +----GInitiallyUnowned
       +----GstObject
             +----GstElement
                   +----GstBaseSink
                         +----GstVideoSink
                               +----GstEglGlesSink

Implemented Interfaces:
  GstVideoOverlay

Pad Templates:
  SINK template: 'sink'
    Availability: Always
    Capabilities:
      video/x-raw(memory:EGLImage)
                 format: { (string)RGBA, (string)BGRA, (string)ARGB, (string)ABGR, (string)RGBx, (string)BGRx, (string)xRGB, (string)xBGR, (string)AYUV, (string)Y444, (string)I420, (string)YV12, (string)NV12, (string)NV21, (string)Y42B, (string)Y41B, (string)RGB, (string)BGR, (string)RGB16 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]
      video/x-raw(meta:GstVideoGLTextureUploadMeta)
                 format: { (string)RGBA, (string)BGRA, (string)ARGB, (string)ABGR, (string)RGBx, (string)BGRx, (string)xRGB, (string)xBGR, (string)AYUV, (string)Y444, (string)I420, (string)YV12, (string)NV12, (string)NV21, (string)Y42B, (string)Y41B, (string)RGB, (string)BGR, (string)RGB16 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]
      video/x-raw
                 format: { (string)RGBA, (string)BGRA, (string)ARGB, (string)ABGR, (string)RGBx, (string)BGRx, (string)xRGB, (string)xBGR, (string)AYUV, (string)Y444, (string)I420, (string)YV12, (string)NV12, (string)NV21, (string)Y42B, (string)Y41B, (string)RGB, (string)BGR, (string)RGB16 }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]
      video/x-raw(memory:NVMM)
                 format: { (string)BGRx, (string)RGBA, (string)I420, (string)NV12, (string)BGR, (string)RGB }
                  width: [ 1, 2147483647 ]
                 height: [ 1, 2147483647 ]
              framerate: [ 0/1, 2147483647/1 ]

Element has no clocking capabilities.
Element has no URI handling capabilities.

Pads:
  SINK: 'sink'
    Pad Template: 'sink'

Element Properties:
  name                : The name of the object
                        flags: readable, writable
                        String. Default: "eglglessink0"
  parent              : The parent of the object
                        flags: readable, writable
                        Object of type "GstObject"
  sync                : Sync on the clock
                        flags: readable, writable
                        Boolean. Default: true
  max-lateness        : Maximum number of nanoseconds that a buffer can be late before it is dropped (-1 unlimited)
                        flags: readable, writable
                        Integer64. Range: -1 - 9223372036854775807 Default: 20000000
  qos                 : Generate Quality-of-Service events upstream
                        flags: readable, writable
                        Boolean. Default: true
  async               : Go asynchronously to PAUSED
                        flags: readable, writable
                        Boolean. Default: true
  ts-offset           : Timestamp offset in nanoseconds
                        flags: readable, writable
                        Integer64. Range: -9223372036854775808 - 9223372036854775807 Default: 0
  enable-last-sample  : Enable the last-sample property
                        flags: readable, writable
                        Boolean. Default: true
  last-sample         : The last sample received in the sink
                        flags: readable
                        Boxed pointer of type "GstSample"
  blocksize           : Size in bytes to pull per buffer (0 = default)
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 4294967295 Default: 4096
  render-delay        : Additional render delay of the sink in nanoseconds
                        flags: readable, writable
                        Unsigned Integer64. Range: 0 - 18446744073709551615 Default: 0
  throttle-time       : The time to keep between rendered buffers (0 = disabled)
                        flags: readable, writable
                        Unsigned Integer64. Range: 0 - 18446744073709551615 Default: 0
  max-bitrate         : The maximum bits per second to render (0 = disabled)
                        flags: readable, writable
                        Unsigned Integer64. Range: 0 - 18446744073709551615 Default: 0
  show-preroll-frame  : Whether to render video frames during preroll
                        flags: readable, writable
                        Boolean. Default: true
  create-window       : If set to true, the sink will attempt to create it's own window to render to if none is provided. This is currently only supported when the sink is used under X11
                        flags: readable, writable
                        Boolean. Default: true
  force-aspect-ratio  : If set to true, the sink will attempt to preserve the incoming frame's geometry while scaling, taking both the storage's and display's pixel aspect ratio into account
                        flags: readable, writable
                        Boolean. Default: true
  display             : If set, the sink will use the passed X Display for rendering
                        flags: readable, writable
                        Pointer.
  window-x            : X coordinate of window
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 2147483647 Default: 10
  window-y            : Y coordinate of window
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 2147483647 Default: 10
  window-width        : Width of window
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 2147483647 Default: 0
  window-height       : Height of window
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 2147483647 Default: 0
  rows                : Rows of Display
                        flags: readable, writable
                        Unsigned Integer. Range: 1 - 2147483647 Default: 1
  columns             : Columns of display
                        flags: readable, writable
                        Unsigned Integer. Range: 1 - 2147483647 Default: 1
  profile             : gsteglglessink jitter information
                        flags: readable, writable
                        Unsigned Integer. Range: 0 - 4294967295 Default: 0
  winsys              : Takes in strings "x11" or "wayland" to specify the windowing system to be used
                        flags: readable, writable
                        String. Default: "x11"
  bufapi-version      : Set to use new buf API
                        flags: readable, writable
                        Boolean. Default: false

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