allanlei

Find the corresponding nvidia driver for COS

1. gsutil ls gsutil ls gs://cos-tools-asia/${COS_VERSION}/extensions/gpu
2. Pick an available version and update annotations.version

Creating a Node pool with a specific driver

1. Create nodepool with taint nvidia.com/gpu-driver-version=DRIVER_VERSION_MAJOR
2. Create corresponding daemonset driver installer with nvidia.com/gpu-driver-version=DRIVER_VERSION_MAJOR

allanlei

ffmpeg -stream_loop -1 -i bbb.mp4 -filter_complex "\
  [0:v]split=2[base][overlay];
  [overlay]gblur=5,format=yuva444p,geq=r='r(X,Y)':a='abs(255*sin(T))'[overlay];
  [base][overlay]overlay[out]" \
  -map "[out]" output.mp4

allanlei

This is the rough equivalent of

openssl smime -sign
    -signer cert.crt
    -inkey cert.key
    -certfile intermediate.pem 
    -nodetach 
    -outform der 
    -in mdm.mobileconfig 
 -out mdm-signed.mobileconfig

allanlei

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: nvidia-driver-installer-cos
  namespace: kube-system
  labels:
    k8s-app: nvidia-driver-installer-cos
spec:
  selector:
    matchLabels:

allanlei

ffmpeg \
  -vsync 0 \
  -hwaccel cuvid -c:v h264_cuvid \
  -i https://twitch-event-engineering-public.s3.amazonaws.com/sync-footage/Sync-Footage-V1-H264.mp4 \
  -filter_complex " \
    [0:v]scale_npp=1280:720[out]
  " -map '[out]' -y -c:v h264_nvenc -y output.mp4

allanlei

ffmpeg -i source.mp4 -filter_complex \
  "[0:v]split=2[base][blurred]; \
  [blurred]boxblur=luma_radius=50:chroma_radius=25:luma_power=1[blurred]; \
  [blurred]fade=type=in:start_time=5:duration=1:alpha=1[blurred-with-fadein]; \
  [base][blurred-with-fadein]overlay[blurout]" \
  -map "[blurout]" blurout.mp4

allanlei

ffmpeg -i source.mp4 -filter_complex \
  "[0:v]fade=type=in:start_time=1:duration=8[fadein]" \
  -map "[fadein]" fadein.mp4

allanlei

ffmpeg -i source.mp4 -filter_complex \
  "[0:v]boxblur=luma_radius=10:chroma_radius=10:luma_power=1[blurred]" \
  -map "[blurred]" blurred.mp4

allanlei

ffmpeg -i source.mp4 -filter_complex \
  "[0:v]split=2[360p][720p]; \
  [360p]scale=-2:360[360p]; \
  [720p]scale=-2:720[720p]" \
  -map "[360p]" 360p.mp4 \
  -map "[720p]" 720p.mp4

allanlei

apiVersion: apps/v1
kind: DaemonSet
metadata:
  namespace: kube-system
  name: xfs-detector
  labels:
    app: xfs-detector
spec:
  selector:
    matchLabels: