[mythtv-users] TBS2603 HDMI to Ethernet h.265

Gerald Brandt gbr at majentis.com
Mon Dec 24 00:09:58 UTC 2018

On 2018-12-23 10:49 a.m., Stephen Worthington wrote:
> On Sun, 23 Dec 2018 08:56:24 -0600, you wrote:
>> On 2018-12-22 10:57 a.m., Stephen Worthington wrote:
>>> On Sat, 22 Dec 2018 08:36:20 -0600, you wrote:
>>>> On 2018-12-21 8:22 p.m., Stephen Worthington wrote:
>>>>> On Fri, 21 Dec 2018 14:33:12 -0600, you wrote:
>>>>>> Hi,
>>>>>> I have a TBS2603, which is working very well for me. If I switch it to
>>>>>> send h.265 instead if h.264, I get a black screen. Does MythTV 29 not
>>>>>> support h.265 video in yet?
>>>>>> Gerald
>>>>> If you are using an Nvidia card with VDPAU, then you may need to
>>>>> create a profile that will play H.265 using the CPU to decode.  MythTV
>>>>> does not yet support H.265 GPU decoding, although I think I saw a
>>>>> message where the dev doing the video decoding was looking at
>>>>> implementing it in v30.  And older Nvidia cards do not do H.265
>>>>> either.  You do need a decent CPU to do H.265 decoding also.  I do not
>>>>> know if the decoding code is multithreaded - if it is not, then you
>>>>> need a fast CPU rather than multicore, as only one core will be used.
>>>>> _______________________________________________
>>>> I'm using Kodi as a frontend (more wife friendly). It has an nVidia
>>>> 1050, I believe. I've played h265 videos on Kodi, so I assumed the
>>>> backend was the issue here.
>>>> Gerald
>>> Kodi does have H.265 support for using Nvidia GPUs, if the video
>>> chipset is late enough to do H.265 acceleration.  Mythfrontend does
>>> not have that support yet.
>>> _______________________________________________
>> So you're saying there's nothing in the backend to stop me from
>> recording h.265.
> No.  The way recording is done is to just copy the data in each stream
> transmitted for the channel.  If H.265 is what is transmitted, then it
> will be what is recorded.  So if you set the TBS2603 to H.265,
> mythbackend will record that.  Then you need to have a way of playing
> back those H.265 files.  In v29 with mythfrontend, that means you will
> have to have a good enough CPU to do the decoding.  Hopefully H.265
> decoding will be done in time to be in v30, but you would still need a
> recent Nvidia card that does H.265 decoding.  If your card is a 1050
> chipset, then that will certainly do H.265 in the GPU - I believe all
> the 10xx series do it.  As far as I know, Kodi (and VLC and maybe
> mplayer) already have the code to offload H.265 decoding to an Nvidia
> GPU.

What about commercial detection?


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