[mythtv-users] Mythweb Slow to Render Program Detail Page as Selected From Recorded Programs page

Mache Creeger mache at creeger.com
Thu Mar 11 04:43:50 UTC 2010


At 09:54 PM 3/7/2010, Michael T. Dean wrote:
>On 03/07/2010 06:32 PM, Tom Dexter wrote:
>>On Fri, Mar 5, 2010 at 3:00 PM, Mache Creeger wrote:
>>
>>>Anyone have any ideas why flowplayer (the flash player server) takes between
>>>3-6 minutes to load on Mythweb?
>>>
>>Wow...I was going to enable it to see what happened until I read the
>>dire warnings about it in the mythweb setup:
>>
>>"Flash video playback is currently only a proof-of-concept and should
>>be considered EXTREMELY experimental, which is why it has been
>>disabled by default.
>>
>>It currently expects that ffmpeg is installed and compiled with mp3
>>support, and that the recordings files are accessible to your
>>webserver userid. It probably won't work with Nupplevideo files, and
>>in the end, it may just not work at all (or maybe even worse).
>>
>>Enable this feature at your own risk, and don't expect too much
>>official help until it has left the experimental phase."
>>
>>   I don't even have ffmpeg installed on my backend anyway.
>>
>
>Actually, ffmpeg has to be installed on the MythWeb host, not the 
>backend host, and the MythWeb host must have local-filesystem access 
>to all the recordings you want to be able to stream (which could 
>mean NFS or CIFS--but no backend streaming) and the MythWeb host has 
>to be powerful enough to be able to transcode from whatever format 
>you recorded to Flash on-the-fly in real time with the CPU (no VDPAU 
>or other GPU assist).  (In these days of high-definition TV and, 
>especially H.264, the last requirement is becoming a real pain.)
>
>What's there, now, is a proof of concept to see whether it was worth 
>adding the required code to the backend to allow Trash, er, I mean 
>Flash streaming.  None who have used it have gotten motivated enough 
>to do it right and add the required backend support for transcoding 
>to Flash--either on-the-fly (for users with overpowered backends) or 
>to store a 2nd pre-transcoded copy of the recording as Flash (for 
>users who like to waste electricity transcoding everything they 
>might want to stream some hours after the show is recorded), so if 
>anyone really wants it, feel free to ask for some pointers on how 
>the patches should work.  :)
>
>Mike

I have ffmpeg installed on the mythweb host (also my MBE). All files 
are reside directly on that machine.

-- Mache

# rpm -qa | grep ffmpeg
ffmpeg-0.5-31_git20091120.fc12.i686

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