Prototypology/Transcodology-3

How to compress videos?

Reference: I'm sitting in a room by Alvin Lucier

Which compression should be used should be used?

• h264

The fancy and hard way

ffmpeg -i input.mov -c:v libx264 -c:a aac -movflags +faststart  output.mp4

• the option "-i" is the input file
• the option "-c:v" is the video codec you use. in this case h264
• the otpion "-c:a" is for the audio codec
• the option "-movflags +faststart " is for web optimisation

The easy way

By using a software called HandBrake - The open source video transcoder

• In HandBrake click on [Open source] and select the file you would like to transcode.
• Select the preset.
• For the web dont forget to select [Web optimized]

Further links

• old wiki page about video compression