[mythtv-users] Problems when streaming from a web site

[John Pilkington]

On 06/11/2022 13:39, Scott Simpson wrote:
> On 11/5/2022 10:02 PM, Stephen Worthington wrote:
>> On Sat, 5 Nov 2022 21:03:24 -0400, you wrote:
>>> The external tuner uses this ffmpeg command on reading:
>>>
>>> [RECORDER]
>>> command="ffmpeg -hide_banner -nostats -loglevel fatal -re -i %URL% -c:v
>>> copy -c:a copy -f mpegts -"
>>
>> This is probably caused by the URL you are recording from using
>> different video and/or audio streams from what MythTV is programmed
>> for.  The streams used by the usual broadcast sources are a quite
>> limited set (such as MPEG2, H.264), and there are lots of others that
>> MythTV does not handle at all or at all well.  To find out what the
>> streams involved are, use mediainfo and/or ffprobe on the recording
>> file.  You may need to install the mediainfo package to get that
> 
> Thanks for all the advice from everyone. I tried a few things. Here are 
> the results:
> 
> 1.mythcommflag --rebuild -f %FILE%
> Didn't work. Now when I skip ahead it says 0 length and doesn't work.
> 
> 2. ffmpeg -i xxxx.ts -c copy t.ts
> Didn't make any difference
> 
> 3. initial multiplexing as an MKV work better than an MPEG transport stream
> Not sure how to do this.
> 
> 4. Adding these options:-fflags +genpts+igndts
> Didn't seem to do anything.

I don't know what effect the +igndts might be having.  I don't use that. 
  But it might be worth doing a commflag --rebuild after recording with 
the -fflags +gents opttions.

Bits of

https://github.com/MythTV/mythtv/issues/600#issuecomment-1172873672

might be relevant.