suraj-ml-projects/video-timeline-reconstruction

🎬 Hindi–English Video Merger

Seamlessly merge a Hindi dubbed video with an English source so that:

• —Hindi speech segments are taken from the Hindi dubbed video
• —Silent gaps in the Hindi video are filled with the corresponding English video
• —The final output has continuous audio with no gaps or overlaps

How to Use

1. 1.Enter timestamps — paste your Hindi speaking windows (one HH:MM:SS - HH:MM:SS per line)
2. 2.Upload English video — click Process English Video to validate
3. 3.Upload Hindi video — click Process Hindi Video to validate
4. 4.Generate — click Generate Final Video and download the result

Timestamp Format

# Lines starting with # are ignored
00:00:10 - 00:00:25
00:01:05 - 00:01:40
00:03:12 - 00:04:05

Technical Details

• —Uses FFmpeg for all video/audio processing (memory-efficient, streams from disk)
• —Frame-accurate segment extraction with PTS reset (-avoid_negative_ts make_zero)
• —Final output: H.264 + AAC MP4 with +faststart for web playback
• —Handles videos of any size — processing is fully disk-based

Local Setup

git clone https://huggingface.co/spaces/YOUR_USERNAME/hindi-english-video-merger
cd hindi-english-video-merger
pip install -r requirements.txt
python app.py

Requires FFmpeg: sudo apt-get install ffmpeg / brew install ffmpeg