[mythtv-users] HDTV clip request

Mario Limonciello mario.mailing at gmail.com
Mon May 23 19:47:42 UTC 2005


Well lets start here Robin.

Do you have an nvidia video card?

If so, start using opengl vsync instead of letting it go with usleep.
If not, at least change the permissions on /dev/rtc to allow it to be
used for timing.

Also, if you have an nvidia video card you can try to enable xvmc to
see if there is any luck there.

I guess I'll venture the question, what hardware DO you have :)


On 5/23/05, Robin Smith <1canuck2 at gmail.com> wrote:
> So I play the file with
> 
> mythtv test.ts
> 
> and its all stuttery, here's the log:
> 
> 2005-05-23 13:41:11.085 New DB connection, total: 1
> Total desktop width=720, height=480, numscreens=1
> 2005-05-23 13:41:11.090 Using screen 0, 720x480 at 0,0
> 2005-05-23 13:41:11.132 Switching to square mode (G.A.N.T.)
> 2005-05-23 13:41:11.451 Joystick disabled.
> 2005-05-23 13:41:11.452 New DB connection, total: 2
> adding pes stream at pid 0x15 with type 2
> adding pes stream at pid 0x18 with type 129
> 2005-05-23 13:41:11.565 AVFD
> 2005-05-23 13:41:11.565 AVFD: Opening Stream #0: codec id 2
> 2005-05-23 13:41:11.567 detectInterlace(Detect Scan, Detect Scan,
> 29.97, 1088) ->Interlaced Scan
> 2005-05-23 13:41:11.567 Interlaced: Interlaced Scan  video_height:
> 1088  fps: 29.97
> 2005-05-23 13:41:11.569 AVFD: Looking for decoder for 2
> 2005-05-23 13:41:11.569 AVFD
> 2005-05-23 13:41:11.569 AVFD: Opening Stream #1: codec id 86020
> 2005-05-23 13:41:11.569 AVFD: Looking for decoder for 86020
> 2005-05-23 13:41:11.572 Estimated bitrate = 18584
> 2005-05-23 13:41:11.574 SyncPositionMap prerecorded, from DB: 0 entries
> Input #0, mpegts, from 'test.ts':
>   Stream #0.0[0x15]: Video: mpeg2video, 1920x1088, 29.97 fps, 18200 kb/s
>   Stream #0.1[0x18]: Audio: ac3, 48000 Hz, stereo, 384 kb/s
> 2005-05-23 13:41:11.579 Opening audio device '/dev/dsp0'.
> 2005-05-23 13:41:11.579 Opening OSS audio device '/dev/dsp0'.
> 2005-05-23 13:41:11.587 Over/underscan. V: -0.02, H: 0, XOff: 0, YOff: 4
> 2005-05-23 13:41:11.593 Using XV port 177
> 2005-05-23 13:41:11.597 Image size. dispxoff -66, dispyoff: 13,
> dispwoff: 797, disphoff: 434
> 2005-05-23 13:41:11.597 Image size. imgx 0, imgy: 0, imgw: 1920, imgh: 1080
> 2005-05-23 13:41:13.153 Changing from None to WatchingPreRecorded
> 2005-05-23 13:41:13.154 Using realtime priority.
> 2005-05-23 13:41:13.255 nVidiaVideoSync: VBlank ioctl did not work,
> unimplemented in this driver?
> 2005-05-23 13:41:13.255 DRMVideoSync: Could not open device
> /dev/dri/card0, Permission denied
> 2005-05-23 13:41:13.255 RTCVideoSync: Could not set RTC frequency,
> Permission denied.
> 2005-05-23 13:41:13.256 Using audio as timebase
> 2005-05-23 13:41:13.256 Video timing method: USleep with busy wait
> 2005-05-23 13:41:13.256 Refresh rate: 16666, frame interval: 33366
> 2005-05-23 13:41:13.256 waiting for prebuffer...
> 2005-05-23 13:41:13.391 prebuffer wait timed out..
> 2005-05-23 13:41:13.391 waiting for prebuffer...
> 2005-05-23 13:41:13.526 prebuffer wait timed out..
> 2005-05-23 13:41:13.526 waiting for prebuffer...
> 2005-05-23 13:41:14.068 prebuffering pause
> 2005-05-23 13:41:14.068 waiting for prebuffer...
> 2005-05-23 13:41:14.203 prebuffer wait timed out..
> 2005-05-23 13:41:14.203 waiting for prebuffer...
> 2005-05-23 13:41:14.338 prebuffer wait timed out..
> 2005-05-23 13:41:14.338 waiting for prebuffer...
> 2005-05-23 13:41:14.577 A/V diverged by -3.0867 frames, dropping frame
> to keep audio in sync
> 2005-05-23 13:41:14.617 A/V diverged by -3.34152 frames, dropping
> frame to keep audio in sync
> 2005-05-23 13:41:14.660 A/V diverged by -3.58506 frames, dropping
> frame to keep audio in sync
> 2005-05-23 13:41:14.701 A/V diverged by -3.84265 frames, dropping
> frame to keep audio in sync
> 2005-05-23 13:41:14.741 A/V diverged by -4.08829 frames, dropping
> frame to keep audio in sync
> 2005-05-23 13:41:14.782 A/V diverged by -4.32497 frames, dropping
> frame to keep audio in sync
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