[FFmpeg-user] -crf ignored

[Paul Gardiner]

On 02/06/2011 00:48, Thomas Worth wrote:
> On Wed, Jun 1, 2011 at 4:33 PM, Baptiste Coudurier<
>> Piping produces all sort of side-effects, I don't recommend it at all.
>> Plus, the new features should be added fairly quickly.
>
>
> Can you elaborate? My first thought would be a performance penalty, but does
> piping differ any from simply dumping yuv420 to disk and then encoding the
> raw yuv file with x264?

I'm also interested to know what problems use of pipes might lead to.
My target application is to use ffmpeg to compress movies from mythtv
which are passed via a pair of pipes, one for audio, one for video.

Paul.