video-processing-editing

FFmpeg automation for cutting, trimming, concatenating, and exporting videos with audio mixing and platform optimization. Expert in FFmpeg-based video editing, processing automation, and export optimization for modern content creation workflows. ✅ Use for : ❌ NOT for : Decision tree : Novice thinking : "Just cut the video at any timestamp" Problem : Causes artifacts, black frames, and playback issues. Wrong approach : Why wrong : Correct approach 1 : Re-encode for precise cuts Correct approach 2 : Keyframe-aligned stream copy Correct approach 3 : Two-pass for best of both worlds Performance comparison : Timeline context : Novice thinking : "Apply all edits in one FFmpeg command" Problem : Multiple re-encodings cause cumulative quality loss. Wrong approach : Why wrong : Correct approach 1 : Chain operations in single command Correct approach 2 : Use stream copy when possible Quality comparison : Novice thinking : "Just concatenate videos together" Problem : Color shifts, mismatched brightness, broken playback. Wrong approach : Why wrong : Correct approach : Color space guide : Novice thinking : "Video and audio are separate, just overlay them" Problem : Lip sync issues, audio drift, broken playback. Wrong approach : Why wrong : Correct approach 1 : Stretch/compress audio to match video Correct approach 2 : Precise offset and trim Correct approach 3 : Mix multiple audio tracks...