[mythtv-users] Mythtranscode and H264?

[Paul Gardiner]

On 01/05/2013 11:58, Raymond Wagner wrote:
> On 5/1/2013 4:55 AM, Paul Gardiner wrote:
>> On 01/05/2013 07:36, Kenni Lund wrote:
>>>
>>> Den 01/05/2013 07.18 skrev "Alexander Puchmayr"
>>> <alexander.puchmayr at linznet.at <mailto:alexander.puchmayr at linznet.at>>:
>>>  >
>>>  > Am Dienstag, 30. April 2013, 14:43:02 schrieb Raymond Wagner:
>>>  > > > From: Alexander Puchmayr
>>>  > > > Sent: Tuesday, April 30, 2013 2:17 PM
>>>  > > >
>>>  > > > Mythtranscode (I'm using 0.25) seems to have trouble with H264,
>>> when
>>>  > > > trying to convert a mpeg-ts with h264 (as received from my
>>> cable tv
>>>  > > > provider), it failes with
>>>  > > >
>>>  > > > transcode.cpp:1326 (TranscodeFile) - Unknown video codec: H.264
>>>  > > >
>>>  > > > Is there a way to transcode material with h264?
>>>  > > > Is it supported in 0.26?
>>>  > >
>>>  > > It _should_ work, but there is really no reason to want to do this.
>>>  > > Anything MythTranscode has the ability to transcode into will be
>>> larger and
>>>  > > lower quality than what you already have.
>>>  > >
>>>  >
>>>  > Removing commercials is reason enough for me to want that ...
>>>  >
>>>
>>> No... As Raymond already said, anything that mythtranscode generates
>>> will result in larger files and lower quality.
>>
>> Unless you use --fifodir mode and run the piped output of mythtranscode
>> into ffmpeg. That way you can choose exactly the format you want, and
>> if smaller files is what you are after then scaling down to 720p30
>> (or 720p60 for 1080i source) a good option.
>
> The raw, frameserver output of --fifodir will be vastly larger than any
> input file you may have fed to mythtranscode.

Yeah, but you don't keep that. You keep only what comes out of ffmpeg.
Not sure what you are saying.

Paul.