{"id":439,"date":"2023-11-22T11:30:41","date_gmt":"2023-11-22T10:30:41","guid":{"rendered":"https:\/\/lucaungaro.fr\/?page_id=439"},"modified":"2025-12-10T11:08:37","modified_gmt":"2025-12-10T10:08:37","slug":"dit-scripts","status":"publish","type":"page","link":"https:\/\/lucaungaro.fr\/index.php\/dit-scripts\/","title":{"rendered":"DIT scripts & resources"},"content":{"rendered":"\n

Project setup<\/p>\n\n\n\n

\/bin\/bash -c \"$(curl -fsSL https:\/\/lucaungaro.fr\/public\/bash\/dit-setup.sh)\"<\/code><\/pre>\n\n\n\n
Filetree creation only<\/p>\n\n\n\n
\/bin\/bash -c \"$(curl -fsSL https:\/\/lucaungaro.fr\/public\/bash\/dit-filetree.sh)\"<\/code><\/pre>\n\n\n\n
Project cleanup<\/p>\n\n\n\n
\/bin\/bash -c \"$(curl -fsSL https:\/\/lucaungaro.fr\/public\/bash\/dit-cleanup.sh)\"<\/code><\/pre>\n\n\n\n
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Command-line memos<\/h2>\n\n\n\n
FFMPEG<\/summary>\n
ffmpeg -i input_video.mp4 -c:v libx264 -crf 0 -preset medium -c:a aac -b:a 192k output_video.mp4<\/code><\/pre>\n\n\n\n
ffmpeg -i input_video.mp4 -vf scale=1280:720 -c:v libx264 -crf 23 -preset medium -c:a aac -b:a 192k output_video_720p.mp4<\/code><\/pre>\n\n\n\n
-vf scale option: Specifies the output resolution.<\/p>\n\n\n\n
-i input_video.mp4: Specifies the input video file.<\/p>\n\n\n\n
-c:v libx264: Tells ffmpeg to use the H.264 codec for video compression.<\/p>\n\n\n\n
-crf 23: Constant Rate Factor (CRF) value, which controls the quality of the video. The range is from 0 (lossless) to 51 (worst quality). A CRF of 23 is a good balance between quality and file size.<\/p>\n\n\n\n
-preset medium: Defines the encoding speed. The slower the preset, the better the compression (but it takes longer). Options include ultrafast, superfast, fast, medium, slow, slower, and veryslow.<\/p>\n\n\n\n
-c:a aac: Uses AAC for audio compression.<\/p>\n\n\n\n
-b:a 192k: Sets the audio bitrate to 192 kbps.<\/p>\n\n\n\n
output_video.mp4: Specifies the output file.<\/p>\n<\/details>\n\n\n\n
FFPROBE<\/summary>\n
 ffprobe -hide_banner -show_frames -i input_video.mov  | egrep pict_type<\/code><\/pre>\n<\/details>\n\n\n\n
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Camera memos<\/h2>\n\n\n\n
ALEXA 35<\/summary>\n