[mythtv] [mythtv-commits] Ticket #12915: Mytharchive failed to produce DVD but appears to have deleted the files to be archived

[John Pilkington]

On 09/11/16 00:05, John Pilkington wrote:
> On 08/11/16 23:17, Robin Gilks wrote:
>>
>
>>
>> The cutlist works great, the aspect ration is changed from 16:9 to 5:4
>> and
>> I can find nothing to set it otherwise.
>>
>> I'm sure DVDs can do 16:9 without letterboxing?
>>
> The encoding profiles have a slot for it but I can't see a supported way
> of changing it.  You could try editing the profile, but re-encoding
> seems overkill for what is essentially a switch setting.

... but I suppose it can change midstream, so needs to be embedded.
>
> /usr/share/mythtv/mytharchive/encoder_profiles/ffmpeg_dvd_pal.xml

... and I believe you can create tailored profiles from these.

> I've used this sort of thing outside myth, after renaming the input
> file;  you'll notice that it was some time ago.
>
> ionice -c3 nice mythffmpeg -threads 2 -v "verbose"  -i
> "1103_20131207134100HD.mpg" -target pal-dvd  -s  720x576 -acodec mp2
> -b:a 192k -ac 2 -aspect 16:9  "1103_20131207134100.mpg"

... and ' -target pal-dvd  -qscale:v 3 -s  720x576 ' seems to give a 
reasonably good video quality.