[mythtv-users] Mac OSx frontend live TV issue.

[Gerald Brandt]

----- Original Message -----

> From: "Greg Moeller" <skywise at gmail.com>
> To: mythtv-users at mythtv.org
> Sent: Tuesday, July 9, 2013 5:47:02 PM
> Subject: [mythtv-users] Mac OSx frontend live TV issue.

> Good afternoon.
> I'm trying to get the mythTV frontend working on my media mac mini.

> Here's my setup.
> Backend using mythbuntu and 0.26 and two tuners (hdhomerun and HDPVR)
> Frontend using a 10.8 mac mini (i3) and mythfrontend 0.26
> (MythFrontend-v0.26.0-175-g7f71e02)
> The back end is working perfectly, records shows, librarians them so
> plex can understand. (both tuners)
> The frontend runs, can see shows, play them. But when I try live TV i
> get
> Video frame buffering failed too many times.
> Sometimes I'll get a single frame, usually nothing at all, sometimes
> it plain blows up.
> I also tested this on a quad core i7 mac mini, exact same issue.
> As a test I built up a mythbuntu frontend install under virtualbox(on
> the same mac) and other than some decoding speed issues (h.264) it
> worked perfectly.

> So, the problem seems mac related. All networking in the house is
> hardwired, giga-bit.

> I ran a debug with the front end and this seems to be the spot giving
> problems...

> 2013-07-09 17:19:34.842588 D
> SendReceiveStringList(MESSAGE,SYSTEM_EVENT PLAY_CHANGED HOSTNAME
> calvin CHANID 1061 STARTTIME 2013-07-09T22:19:34Z SENDER calvin)
> called from UI thread
> 2013-07-09 17:19:34.847536 I
> FileRingBuf(/Volumes/public/video/mythtv/1061_20130709221933.mpg):
> OpenFile(/Volumes/public/video/mythtv/1061_20130709221934.mpg, 10000
> ms)
> 2013-07-09 17:19:37.135415 W
> RingBuf(/Volumes/public/video/mythtv/1061_20130709221934.mpg):
> Taking too long to be allowed to read..
> ...
> 2013-07-09 17:19:45.849940 E
> RingBuf(/Volumes/public/video/mythtv/1061_20130709221934.mpg): Took
> more than 10 seconds to be allowed to read, aborting.
> 2013-07-09 17:19:45.850030 W
> RingBuf(/Volumes/public/video/mythtv/1061_20130709221934.mpg):
> Peek() requested 2048 bytes, but only returning 0
> 2013-07-09 17:19:45.850055 E Player(0): OpenFile(): Could not read
> first 2048 bytes of
> '/Volumes/public/video/mythtv/1061_20130709221934.mpg'
> 2013-07-09 17:19:45.850273 E Player(0): JumpToProgram failed.
> 2013-07-09 17:19:45.850319 E Player(0): Unknown recorder error,
> exiting decoder
> 2013-07-09 17:19:45.850982 I Player(0): Decoder thread exiting.

> A quick ls on the same mac gives:
> calvin:~ gsd$ ls /Volumes/public/video/mythtv/1061_20130709221934.mpg
> /Volumes/public/video/mythtv/1061_20130709221934.mpg
> calvin:~ gsd$ ls -l
> /Volumes/public/video/mythtv/1061_20130709221934.mpg
> -rw-r--r-- 1 gsd staff 21670572 9 Jul 17:19
> /Volumes/public/video/mythtv/1061_20130709221934.mpg

> Any ideas?
> (BTW, all media is accessable using the same paths on all the servers
> but the virtualbox wouldn't have had that path)

> Just tried playing a pre-recorded show and that worked with this in
> the log:
> 2013-07-09 17:39:26.159478 D
> SendReceiveStringList(MESSAGE,SYSTEM_EVENT PLAY_STARTED HOSTNAME
> calvin CHANID 2505 STARTTIME 2013-07-02T02:00:00Z SENDER calvin)
> called from UI thread
> 2013-07-09 17:39:26.160149 I TV: tv->Playback() -- begin
> 2013-07-09 17:39:26.169855 I TV: HandleStateChange(0) -- begin
> 2013-07-09 17:39:26.170020 I TV: Attempting to change from None to
> WatchingPreRecorded
> 2013-07-09 17:39:26.172625 I
> FileRingBuf(/Volumes/public/video/mythtv/2505_20130702020000.mpg):
> OpenFile(/Volumes/public/video/mythtv/2505_20130702020000.mpg, 2000
> ms)
> 2013-07-09 17:39:26.224782 I TV: StartPlayer(0, WatchingPreRecorded,
> main) -- begin
> 2013-07-09 17:39:26.224800 I TV: Elapsed time since TV constructor
> was called: 143 ms

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I have a Mac Mini 3,1 running 10.7, and it worked first time for me, with some stuttering of 1080i video. I installed MythFrontend-v0.26.0-175-g7f71e02, and it just worked. I don't think I'll be using it as a frontend though, the stuttering drives me up the wall. 

Gerald 
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