[LAU] HOWTO create a simple youtube video for musical purposes

[Ivan Tarozzi]

Il 29/03/2013 15:25, Tim Goetze ha scritto:
> You need to add "-loop_input" if the video input is a single frame,
> and then you'll also need to add "-t <duration_in_seconds>" to make
> ffmpeg finish the encoding because otherwise the looped image input
> will run on past the end of the audio stream.

My ffmpeg (version 1.0.5) says -loop_input is deprecate, and use "loop
1" instead. But also without loop parameter seems to work. I don't know
why :)

Same for -t parameter. It can stop movie after n seconds, but is not
required

> 
> Also, if the audio is already mp3-encoded, it's probably better to use
> "-acodec copy" to prevent degradation from re-encoding.

+1

> Actually, I'm not sure you need to upload h.264/mp3 to youtube; I'd
> certainly try a format with ogg-encoded audio first.

+1

Ivan