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• avcodec/vvcdec : schedule next stage only if the current stage reports no error

  23 novembre 2024, par Nuo Mi

  avcodec/vvcdec : schedule next stage only if the current stage reports no error
  If the current stage reports an error, some variables may not be correctly initialized.
  
  Scheduling the next stage could lead to the use of uninitialized variables.
  

  • [DH] libavcodec/vvc/thread.c

• Testing MPEG2 decoder stage by stage

  21 février 2020, par Bhavesh Singhal

  I am writing a video decoder for MPEG2 Transport Streams and looking for test data. More specifically, I want to be able to compare the output of my decoder versus a reference set of outputs at each stage of the decoding pipeline (Inverse Quantization, Inverse DCT, etc).

  Even if I can only compare 1 slice, that would be good enough.

  EDIT : I mean specifically H.262.0 video stream/sequence

• Gitlab CI - Combine two docker images into a single stage

  12 mars 2024, par seal.r00t

  I have this gitlab-ci.yaml file. Using this file I execute my k6.io load test from pipeline. Now I need to execute some FFmpeg commands during the run stage, and my question is how do I make the FFmpeg tool available to the run stage. Do I need to grab the image that has FFmpeg and add it next to grafa/k6 or something else ?

  


  default:
  tags:
    - default

workflow:
  name: "$PIPELINE_NAME"

stages:
  - lint
  - setup
  - run
  - teardown

lint:js:
  stage: lint
  image:
    name: tmknom/prettier
    entrypoint:
      - ""
  rules:
    - if: '$CI_PIPELINE_SOURCE == "push"'
      when: always
    - if: '$CI_PIPELINE_SOURCE == "schedule"'
      when: always
  script:
    - prettier --check '**/*.js'

setup:
  stage: setup
  image: alpine
  rules:
    - if: '$CI_PIPELINE_SOURCE == "web"'
      when: always
    - if: '$CI_PIPELINE_SOURCE == "schedule"'
      when: always
  script:
    - echo 'set up!'

run:
  stage: run
  environment:
    name: run
  image:
    name: grafana/k6:latest
    entrypoint: [ "" ]
  artifacts:
    when: always
    paths:
      - summaries/
  rules:
    - if: '$CI_PIPELINE_SOURCE == "web"'
      when: always  # Prevent pipeline run for push event
    - if: '$CI_PIPELINE_SOURCE == "schedule"'
      when: always
  script:
    - ./run.sh

teardown:
  stage: teardown
  image: alpine
  rules:
    - if: '$CI_PIPELINE_SOURCE == "web"'
      when: always
    - if: '$CI_PIPELINE_SOURCE == "schedule"'
      when: always
  script:
    - echo 'tear down!'


  


  I tried adding two name tags under the run stage for using two images but it didn't work and returned a syntax error.

  


  run:
  stage: run
  environment:
    name: run
  image:
    name: grafana/k6:latest
    name: linuxserver/ffmpeg