Re: [vdr] Compressing VDR recordings without losing quality.

2010-10-29 Thread VDR User
On Fri, Oct 29, 2010 at 10:59 AM, Tony Houghton wrote: >> The only way to not lose quality is to keep the bitrate high, >> especially for recordings with a lot of motion.  You should encode >> with constant quality (CRF) set to whatever the minimum quality you >> want to preserve.  You can also re

Re: [vdr] Compressing VDR recordings without losing quality.

2010-10-29 Thread Tony Houghton
On 29/10/10 00:28, VDR User wrote: I wonder if there is an easy way to recompress all recordings that are not already H.264 into H.264 files, making them a lot smaller without losing any quality. The only way to not lose quality is to keep the bitrate high, especially for recordings with a lot

Re: [vdr] Compressing VDR recordings without losing quality.

2010-10-29 Thread Lars Bläser
On 29.10.2010 00:47, Carsten Koch wrote: > Hi, > > I have been using VDR for over 10 years now, > so I currently have ~4TB of VDR recordings. > Some of them are SDTV/MPEG2, many of the newer > recordings are HDTV/H.264. > ... my first suggestion is to upgrade storage if you compare the time you w

Re: [vdr] Compressing VDR recordings without losing quality.

2010-10-29 Thread jori.hamalainen
> Like I said, you aren't going to get smaller files without making a sacrifice. > If less filsize is most important to you then you should focus on a target > bitrate at the expensive of quality. One option is to requantize original MPEG2 stream. http://code.flexion.org/M2VRequantiser.html It m