[MPlayer-users] Video lags behind audio

[bowint at cox.net]

I was trying to play a dvd in mplayer earlier and the video kept lagging a second or so behind the audio.  I checked the manual and searched around and couldn't find anything to help.  Here's the initial output:

Playing dvd://1.
Reading disc structure, please wait...
There are 1 titles on this DVD.
There are 41 chapters in this DVD title.
There are 1 angles in this DVD title.
DVD successfully opened.
Cache fill:  4.20% (352256 bytes)
MPEG-PS file format detected.
VIDEO:  MPEG2  720x480  (aspect 3)  29.970 fps  9801.6 kbps (1225.2 kbyte/s)
==========================================================================
Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 5.1 (3f+2r+lfe)  48000 Hz  448.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, s16le, 448.0 kbit/29.17% (ratio: 56000->192000)
Selected audio codec: [a52] afm: liba52 (AC3-liba52)
==========================================================================
==========================================================================
Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
VDec: vo config request - 720 x 480 (preferred colorspace: Mpeg PES)
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
The selected video_out device is incompatible with this codec.
Try adding the scale filter, e.g. -vf spp,scale instead of -vf spp.
VDecoder init failed :(
Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.4.0b
Selected video codec: [mpeg12] vfm: libmpeg2 (MPEG-1 or 2 (libmpeg2))
==========================================================================
[AO OSS] audio_setup: Can't open audio device /dev/dsp: Device or resource busy
[AO ESD] latency: [server: 0.28s, net: 0.00s] (adjust 0.28s)
AO: [esd] 44100Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 720 x 480 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
VO: [xv] 720x480 => 854x480 Planar YV12
A: 823.3 V: 823.5 A-V: -0.195 ct:  0.085  13/ 11 ??% ??% ??,?% 3 0 88%
demux_mpg: 24000/1001fps progressive NTSC content detected, switching framerate.
A: 825.1 V: 825.1 A-V: -0.029 ct: -0.066  53/ 50 29%  1%  9.5% 3 0 76%