Add MP4 intraframe format for frame-by-frame encoding #232
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Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…on-tracker Add hand tracking node for MediaPipe Hands pose estimation
- Add timestamp preservation in ImageConcat when collecting audio from multiple slots - Update VideoWriter to synchronize multi-slot audio by timestamp instead of slot order - Add comprehensive tests validating synchronized audio merging - Maintain backward compatibility for audio without timestamps Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
- Move traceback import to top of file
- Add detailed comment for float('inf') usage in timestamp sorting
- Remove specific line numbers from documentation to prevent staleness
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
[WIP] Verify synchronized merging of audio chunks
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…Writer Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
… review Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…ssues Fix audio timestamp loss in Video→SyncQueue→ImageConcat→VideoWriter pipeline
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…ssing Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…orker Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
[WIP] Implement background video creation to avoid UI freezes
…ssue Fix audio synchronization in VideoWriter multi-slot merging
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…worker Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…t option Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Fix YouTube node display failure with playlist URLs
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…nts, and clean up imports Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…ideo-processing Eliminate cascading deepcopy operations causing memory leak in detection→concat→writer pipeline
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
…sues Extend H.264 re-encoding fix from AVI to MKV format
- Changed queue size calculation from fps*chunk_duration*audio_queue_size to fps*chunk_duration - Reduced MAX_FRAME_QUEUE_SIZE from 300 to 100 frames - Reduced MIN_FRAME_QUEUE_SIZE from 50 to 30 frames - This prevents excessive memory allocation on start (from ~2.2 GB to ~534 MB at 1080p) - Added comprehensive test suite to verify memory limits Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
[WIP] Fix lag issues when starting videowriter
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
Co-authored-by: hackolite <826027+hackolite@users.noreply.github.com>
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changed the title
[WIP] Investigate frame by frame support in video writer MP4 option
Add MP4 intraframe format for frame-by-frame encoding
Dec 18, 2025
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The existing MP4 format uses
mp4vcodec (MPEG-4 Part 2) with interframe compression, making frame-by-frame work impossible. Added MP4 (I-Frame) format for true intraframe encoding.Changes
keyint=1:scenecut=0to force all I-framesvideo_formatparameter to pass format context to FFmpeg mergeFormat comparison
Implementation
Documentation
node/VideoNode/README_VideoWriter.md- Format details and use casesnode/VideoNode/README_VideoWriter_FR.md- French translationOriginal prompt
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