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How to check an existing poem video before you publish it with HBG Classical Poem Silk Video

Run the final media QA on any finished MP4 to catch black frames, silent gaps, and wrong specs.

  • Content
  • Intermediate
  • 30 minutes
  • From the README
  • Any agent

Who it is forA video editor or reviewer who has a finished poem video and wants a repeatable check before posting it.

The problemA browser preview can look fine while the final encoded MP4 has black frames, broken transitions, or a wrong audio track.

The outcomeA QA folder with ffprobe.json, blackdetect.log, silencedetect.log, volumedetect.log, frames at 10, 25, 50, 75, and 90 percent plus the last frame, and a contact sheet of the encoded video.

What you need first

  • An agent that supports SKILL.md, such as Codex or Claude Code
  • Codex built-in ImageGen for the still images
  • Docker with the gemini-flow-suite container from the HBG Gemini Flow Suite runtime, with the one-time authorization done by you
  • The classical poem text and the scene plan you want to use

Steps

  1. Clone the repo with git clone https://github.com/Mr-funny/hbg-classical-poem-silk-video.git.
  2. Run skill/classical-poem-silk-video/scripts/final_media_qa.sh final.mp4 qa/final on the finished MP4. (inferred, check the README)
  3. Open the contact sheet and the logs in qa/final and note any frame with a problem.
  4. If you want to check specific moments, write a tab-separated file with timestamps and labels, then run skill/classical-poem-silk-video/scripts/final_media_qa.sh final.mp4 qa/final qa-timestamps.tsv. (inferred, check the README)

Prompt for your agent

Use the final_media_qa.sh script from https://github.com/Mr-funny/hbg-classical-poem-silk-video on <path to final.mp4> and write the output to qa/final. Report any black detection, silence detection, or spec mismatch in the logs and the ffprobe.json. Verify that the frames at 10, 25, 50, 75, 90 percent and the last frame are all present in the output folder.

Caveat. The QA script checks the encoded file only, so it does not judge whether the painting or calligraphy looks right, which still needs a human look.

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