[vlc-devel] wrong fps during the play

[Giovanni Venturi]

In data giovedì 2 settembre 2010 11:57:15, Kaarlo Räihä ha scritto:
: > 2010/9/2 Giovanni Venturi <gventuri at nexera.it>
> 
> > Hello,
> > I've got an m4v file that on VLC doesn't play correctly I tryed it on VLC
> > 1.0.2 and 1.1.4 on Linux
> > and on 0.9.8a and 1.1.4 on Windows. The result is the same, so it's a
> > generic VLC issue. In the
> > information of the media VLC says 100 frame per second, but opening it on
> > mplayer it says about 7
> > fps, so mplayer reproduces it correctly with its ~7 fps and VLC plays it
> > very quickly with its 100
> > fps. Why the fps detection is not correct on VLC? How can I set it
> > manually? I tryed the option --
> > vc1-fps using 7 as value, 0.25 as value, but the parameter is ignored.
> > How can I do? What is the
> > correct option?
> 
> vc1-fps only matters to VC-1 video streams which your m4v file naturally
> isn't.
> 
laptop:/home/giovanni # mediainfo 1278324008.m4v 
General
Complete name                    : 1278324008.m4v
Format                           : MPEG-4 Visual
File size                        : 128 MiB
Duration                         : 8mn 50s
Overall bit rate                 : 2 024 Kbps

Video
Format                           : MPEG-4 Visual
Format profile                   : Advanced Simple at L5
Format settings, BVOP            : No
Format settings, QPel            : No
Format settings, GMC             : No warppoints
Format settings, Matrix          : Default (MPEG)
Duration                         : 8mn 50s
Bit rate                         : 1 937 Kbps
Width                            : 640 pixels
Height                           : 480 pixels
Display aspect ratio             : 4:3
Color space                      : YUV
Chroma subsampling               : 4:2:0
Bit depth                        : 8 bits
Scan type                        : Progressive
Stream size                      : 122 MiB (96%)


There is no way to say to VLC to play this video with the correct bitrate (~7 fps) ? No option?
We got it from an Axis Network Camera.

Thank you,
Giovanni