[mythtv-users] Transcoding profiles

[Raymond Wagner]

On 5/26/2011 05:46, Dave Sp wrote:
> On Sun, May 22, 2011 at 6:43 PM, Raymond Wagner <raymond at wagnerrp.com 
> <mailto:raymond at wagnerrp.com>> wrote:
>
>     On 5/22/2011 18:36, Dave Sp wrote:
>>     On Fri, May 20, 2011 at 3:05 AM, Paul Gardiner <lists at glidos.net
>>     <mailto:lists at glidos.net>> wrote:
>>
>>         On 19/05/2011 17:12, Raymond Wagner wrote:
>>         > Not directly, no.  However you can get mythtranscode to act
>>         as a raw
>>         > frame server to another application that can.  See
>>         nuvexport for an
>>         > example on how to do this.
>>
>>         If someone has figured out how to drive HandBrake like that,
>>         can they
>>         please post how it's done?
>>
>>         With SD, I used to use lossless transcode to cut adverts and then
>>         archive with HandBrake, but now most of my content is HD, I've
>>         more or less given up.
>>
>>
>>     For my HD recordings, I use mythtranscode with the --mpeg2 and
>>     --honorcutlist options to create a new file, then send that to
>>     HandBrakeCLI with "--preset Normal" to create the final video. 
>>     For me, Handbrake's output file is around 1/10th the size of its
>>     input file.
>
>     That doesn't sound right.  By clipping commercials, you're going
>     to chop off maybe 35% of a recording.  MPEG2 to H264 is going to
>     get you another 2-3x.  I could see 1/5th the original recording,
>     but not 1/10th unless you're downscaling the video.
>
>
> I'll use last Sunday's Family Guy (hour long) as an example.

It's a cell shaded cartoon.  Of course it's going to compress extremely 
well.  The only reason the original was 15.5Mbps is because one way or 
another, they had to fill the ATSC broadcast stream.  That's not going 
to be indicative of the vast majority of recordings.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.mythtv.org/pipermail/mythtv-users/attachments/20110526/437993bf/attachment.html