[mythtv-users] Video playing at 30fps
Andrew Wilkinson
andrewjwilkinson at gmail.com
Tue Nov 11 19:08:57 UTC 2014
I'm using the inbuilt Intel graphics card using vaapi. It's got to be a
settings issue because it works fine provided the tv is turned on before it
boots.
Andrew
On Tuesday, 11 November 2014, Peter Bennett (cats22) <cats22 at comcast.net>
wrote:
> On 11/10/2014 04:38 AM, Andrew Wilkinson wrote:
>
> Hi,
>
> Since upgrading from Mythbuntu 12.04 to 14.04 I've had the issue where
> if booted without the tv being on then there is no signal when the tv is
> switched on. I've resolved the issue by disabling xfsettingsd and running a
> script that calls xrandr on hdmi connect. There is one remaining issue, and
> that's that after my script uses xrandr to turn on the screen MythTV plays
> all recordings at 30fps, making the sound higher pitched than usual. If the
> tv is on when the machine is booted the recordings play at 25 fps as usual.
>
> Here is the xrandr output when the TV was on when booted:
>
> Screen 0: minimum 320 x 200, current 1360 x 768, maximum 32767 x 32767
> VGA1 disconnected (normal left inverted right x axis y axis)
> HDMI1 disconnected (normal left inverted right x axis y axis)
> HDMI2 connected 1360x768+0+0 (normal left inverted right x axis y axis)
> 160mm x 90mm
> 1360x768 60.0*+
> 1920x1080i 60.1 50.0 60.0
> 1280x720 60.0 50.0 59.9
> 1024x768 60.0
> 800x600 60.3
> 720x576 50.0
> 720x480 60.0 59.9
> 640x480 60.0 59.9
> 720x400 70.1
> VIRTUAL1 disconnected (normal left inverted right x axis y axis)
>
> And here's the start of the frontend log with -v playback, also when the
> TV was on when booted.
>
> http://pastebin.com/A1DMTgqN
>
> Here is the xrandr output from when the TV was turned off when the
> machine booted:
>
> Screen 0: minimum 320 x 200, current 1360 x 768, maximum 32767 x 32767
> VGA1 disconnected (normal left inverted right x axis y axis)
> HDMI1 disconnected (normal left inverted right x axis y axis)
> HDMI2 connected 1360x768+0+0 (normal left inverted right x axis y axis)
> 160mm x 90mm
> 1920x1080i 60.1 + 50.0 60.0
> 1360x768 60.0*+
> 1280x720 60.0 50.0 59.9
> 1440x576 50.0
> 1024x768 60.0
> 1440x480 60.0 59.9
> 800x600 60.3
> 720x576 50.0
> 720x480 60.0 59.9
> 640x480 60.0 59.9
> 720x400 70.1
> VIRTUAL1 disconnected (normal left inverted right x axis y axis)
>
> And here's the log with -v playback from when TV was off during boot.
>
> http://pastebin.com/wBxuCP2M
>
> As you can see in the second of these log outputs it is playing the
> video at 30fps, but earlier it correctly detects that the video is 25fps.
> Why? What can I do to get it to play at the correct speed?
>
> Many thanks,
> Andrew
>
>
> What video adapter do you have?
> I have had problems in the past of recordings playing at the wrong speed.
> I switched to an NVidia display adapter and use vdpau and have not had the
> problem since. I use the $20 Nvidia GeForce 210.
>
> Peter
>
>
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