[mythtv-users] mythtranscode and the HD-PVR

[Christopher Meredith]

On Thu, May 14, 2009 at 2:37 AM, belcampo <belcampo at zonnet.nl> wrote:
> Christopher Meredith wrote:
>>
>> On Wed, May 13, 2009 at 1:48 AM, belcampo <belcampo at zonnet.nl> wrote:
>>>
>>> Christopher Meredith wrote:
>>>>
>>>> On Tue, May 12, 2009 at 1:38 PM, belcampo <belcampo at zonnet.nl> wrote:
>>>>>
>>>>> Christopher Meredith wrote:
>>>>>>
>>>>>> On Tue, May 12, 2009 at 5:10 AM, belcampo <belcampo at zonnet.nl> wrote:
>>>>>>>
>>>>>>> Christopher Meredith wrote:
>>>>>>>>
>>>>>>>> I know that we don't currently have lossless transcoding of HD-PVR
>>>>>>>> recordings. But do we have any form of transcoding? I have a script
>>>>>>>> that converts the MythTV cutlist to an EDL for use with mencoder,
>>>>>>>> but
>>>>>>>> it is not as precise as I am used to.
>>>>>
>>>>> Could you provide this script ?
>>>>> I would be interested to see if it gives the same results as projectx,
>>>>> which
>>>>> has/is the same quality of cutting as mythtranscode, but also unable to
>>>>> work
>>>>> with HD-PVR material, only MPEG2 stuff.
>>>>
>>>> I actually got it from here:
>>>>
>>>> http://www.justlinux.com/forum/showpost.php?p=878967&postcount=4
>>>>
>>>> I just had to change the multiplier on lines 39 and 40 to 1001.60000
>>>> since my recordings have a framerate of 59.940. This script has been
>>>> working for me, but it is not as precise as I am used to and it does
>>>> require reencoding (no lossless conversion).
>>>
>>> If you would change your HD-PVR settings to a progressive format I think
>>> things will become a lot easier.
>>> There have been numerous posts on the mencoder and ffmpeg mailing lists
>>> about interlaced h264 files.
>>> Maybe it's worth a test on 1 or 2 files. You then also are able to use
>>> mencoder's " -oac copy -ovc copy " instructions, so no transcoding.
>>
>> The HD-PVR is recording in a progressive format. I have my cable box
>> set to only output 720p and that is the format of all my recordings.
>
> How do 720p and a framerate of 59.940 fit ??

I don't know. Lots of frame duplication, I guess.