Add video compressor tool using ffmpeg.wasm - #331
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Opens a video and encodes several smaller MP4 versions of it entirely in the browser so the smallest acceptable one can be picked. Every output is H.264 (Main profile by default) + AAC in a faststart MP4 with yuv420p, even dimensions and a 1080p cap, for maximum mobile compatibility. Vendors the two small @ffmpeg/ffmpeg 0.12.15 wrapper files into ffmpeg-wasm/ because the Web Worker must be same-origin; the 32 MB @ffmpeg/core is loaded from jsDelivr at runtime. Includes Playwright tests with a small H.264/AAC fixture and a pure Python MP4 box parser that checks the profile, level, audio codec and faststart layout of the encoded files. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QHTdJZ4xg6TZfDXCmuvAE9
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Drops the sound track from every generated version (-an, no audio stream mapped), greys out the per-version audio bitrate inputs while it is on, and notes "no audio" on the result cards. The sample-mode test now also checks the option and confirms the output has no audio track. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01QHTdJZ4xg6TZfDXCmuvAE9
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Opens a video and encodes several smaller MP4 versions of it entirely in
the browser so the smallest acceptable one can be picked. Every output is
H.264 (Main profile by default) + AAC in a faststart MP4 with yuv420p,
even dimensions and a 1080p cap, for maximum mobile compatibility.
Vendors the two small @ffmpeg/ffmpeg 0.12.15 wrapper files into
ffmpeg-wasm/ because the Web Worker must be same-origin; the 32 MB
@ffmpeg/core is loaded from jsDelivr at runtime.
Includes Playwright tests with a small H.264/AAC fixture and a pure
Python MP4 box parser that checks the profile, level, audio codec and
faststart layout of the encoded files.
Co-Authored-By: Claude Fable 5.1 noreply@anthropic.com
Claude-Session: https://claude.ai/code/session_01QHTdJZ4xg6TZfDXCmuvAE9