[MPlayer-users] wmv frame rate: 1000fps?

Andreas Hasenack ahasenack at terra.com.br
Fri Jun 9 00:55:24 CEST 2006

I have an issue with frame rate in some .wmv files: mplayer display them as 
being "1000fps", which is obviously not right. Is this information missing 
from the header or is mplayer just not getting it right?

This affects mencoder, which needs -ofps in order to get the right framerate 
and not drop or skip frames.

A sample file is this one:

but other .wmv files have the same issue. Video bitrate is also off.

$ mplayer FlightSimX_720p60_51_15Mbps.wmv
MPlayer dev-SVN-r-3.4.6 (C) 2000-2006 MPlayer Team
CPU:               Intel(R) Pentium(R) 4 CPU 2.40GHz (Family: 15, Model: 2, 
Stepping: 7)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.

93 audio & 211 video codecs
Linux RTC init error in ioctl (rtc_irqp_set 1024): Inappropriate ioctl for 
Try adding "echo 1024 > /proc/sys/dev/rtc/max-user-freq" to your system 
startup scripts.
Setting up LIRC support...
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support.
You will not be able to use your remote control.

Playing FlightSimX_720p60_51_15Mbps.wmv.
ASF file format detected.
VIDEO:  [WVC1]  1280x720  24bpp  1000.000 fps    0.0 kbps ( 0.0 kbyte/s)
Opening audio decoder: [dmo] Win32/DMO decoders
GetOutput r=0x0   size:73728  align:1
StreamCount r=0x0  1  1
AUDIO: 48000 Hz, 2 ch, s16le, 384.0 kbit/25.00% (ratio: 48000->192000)
Selected audio codec: [wma9dmo] afm: dmo (Windows Media Audio 9 DMO)
Opening video decoder: [dmo] DMO video codecs
DMO dll supports VO Optimizations 0 1
DMO dll might use previous sample when requested
GetOutput r=0x0   size:2764800  align:1
StreamCount r=0x0  1  1
Decoder supports the following formats: YV12 YUY2 UYVY YVYU RGB8 RGB555 RGB565 
Decoder is capable of YUV output (flags 0x1b)
VDec: vo config request - 1280 x 720 (preferred colorspace: Packed YUY2)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO: [xv] 1280x720 => 1280x720 Planar YV12
Selected video codec: [wmvvc1dmo] vfm: dmo (Windows Media Video (VC-1) 
Advanced Profile Decoder)
alsa-init: using device default
alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little Endian
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...

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