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regie:regie_video [2021/04/19 15:05] – [NDI] mh | regie:regie_video [2022/11/07 11:20] – [Logiciels] mh | ||
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* MadMapper | * MadMapper | ||
* mplayer (pour lecture vidéo) | * mplayer (pour lecture vidéo) | ||
+ | * Millumine | ||
+ | * QLab | ||
+ | * Modulo Kinetic / Modulo Player | ||
- | ===== Transcodage Vidéo | + | ---- |
+ | ===== FFMPEG | ||
- | De manière générale '' | + | === Re-encode into Apple Pro Res === |
- | + | ||
- | === Ré-Encoder un fichier en Apple Pro Res === | + | |
<code bash> | <code bash> | ||
$ffmpeg -i input.mp4 -vcodec prores -acodec copy output.mov | $ffmpeg -i input.mp4 -vcodec prores -acodec copy output.mov | ||
</ | </ | ||
+ | |||
+ | === Rotate video === | ||
+ | |||
+ | <code bash> | ||
+ | $ffmpeg -i input-video.mp4 -vf " | ||
+ | </ | ||
+ | |||
+ | *0 – means rotate by 90 degrees counterclockwise and flip | ||
+ | *1 – means rotate by 90 degrees clockwise | ||
+ | *2 – means rotate by 90 degrees counterclockwise | ||
+ | *3 – means rotate by 90 degrees clockwise and flip | ||
+ | |||
+ | === Control Quality === | ||
+ | |||
+ | The CRF option sets the encode quality. The bit-rate will vary as necessary to provide a consistent quality throughout the video. 51 being the worst to 0 being the best (lossless). Usually around 15-20 is a good ratio quality vs filesize. | ||
+ | |||
+ | You can use the '' | ||
+ | |||
+ | To create a 1min clip starting 1min into the video: | ||
+ | |||
+ | <code bash> | ||
+ | $ffmpeg -i input-video.mp4 -c:v libx264 -c:a -crf 15 aac -ss=60 -t=60 output-video.mp4 | ||
+ | </ | ||
+ | |||
=== ffmpeg commands === | === ffmpeg commands === | ||
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$ffmpeg -h encoder=libx264 //list all options on encoder | $ffmpeg -h encoder=libx264 //list all options on encoder | ||
</ | </ | ||
+ | |||
+ | ===== SDI & bitrates ===== | ||
+ | |||
+ | {{regie: | ||
===== Ressources ===== | ===== Ressources ===== |