Express Caption
Streamlit
Video Captioning
Express Caption is a video-captioning agent built for AMD Express Track 2. Upload a short clip (30 seconds to 2 minutes), and it will write a caption in four requested styles: formal (precise and objective), sarcastic (dry and deadpan), humorous_tech (developer in-jokes), and humorous_non_tech (warm, jargon-free wit). The scored deliverable is a headless Docker agent: it reads tasks from /input/tasks.json, streams each video straight from its URL via HTTP range requests (no full 4K download), and writes /output/results.json Built with Fireworks AI (Kimi K2.6 for vision and text), ffmpeg for frame and scene sampling, and faster-whisper for on-device speech transcription.
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