[mythtv-users] Transcoding DVB from MPEG2 to MP4 keeping the subtitles

Nick Rout nick.rout at gmail.com
Sat Sep 22 21:04:01 UTC 2012

On Sep 23, 2012 3:12 AM, "Ken Smith" <kens at kensnet.org> wrote:
> Raymond Wagner wrote:
>> On 9/22/2012 09:31, Ken Smith wrote:
>>> Hi, I have previously saved space on some recordings I want to keep by
>>> converting them to mp4.
>> Be aware that in England, many of your recordings may already be in MP4
(H.264) format, and that you will not save an appreciable amount of space
by transcoding. Also, keep track of how much time your CPU is running full
out transcoding as opposed to low power idle or standby, as well your own
personal time investment, so you can weight it against the price of simply
buying more hard drive space.
> The SD material from both DVB-T and DVB-S in the UK seems to be mpeg2.
All the HD material in the UK appears to be mp4.

Actually mp4 is a container. H264 is a codec.
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