Chapter Render
- Validate the project JSON.
- Confirm
ffmpeg,ffprobe, and Python Pillow are available. - Run
../../scripts/render_chapter_bar.py overlayfor an alpha MOV. - Inspect the output pixel format and duration with
ffprobe. - Run
../../scripts/render_chapter_bar.py burnfor a final MP4. - Confirm the final MP4 keeps audio and matches the source dimensions.
Render the progress fill continuously across duration-proportional segments. Keep title plates chapter-specific and use the font file from project style when provided.