[FFmpeg-user] Covert mp4 to webm

[Ruslan Korolev]

so , i changed bitrait -b:a 96k to -b:a 80k and it works :)

On 12 Aug 2014 at 12:53:03, Carl Eugen Hoyos (cehoyos at ag.or.at) wrote:

Ruslan Korolev <rs <at> wap-click.com> writes: 

> "ffmpeg -i wings.mp4 -pass 1 -passlogfile convert_2578 
> -codec:v libvpx -b:v 360k -codec:a libvorbis -b:a 96k 
> -ac 2 -s 640x360 -movflags +faststart -f webm 
> -threads 0 -y /dev/null 

What is "-movflags +faststart" supposed to do?

> but having such errors: (maybe incorrect parameters 
> such as bit_rate, rate, width or height)
> http://pastebin.com/748dtybX

Please do not use external resources, always post the 
complete, uncut console output here on the mailing list. 

> [libvorbis @ 0x7ff601023c00] encoder setup failed 

What happens if you try to encode a random audio-only 
file to vorbis? 

Carl Eugen 

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