[vlc-devel] wrong fps during the play

[Kaarlo Räihä]

2010/9/2 Giovanni Venturi <gventuri at nexera.it>

> 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?
>

There is --es-fps= but I am not sure if it will work. Personally I would mux
it to MP4 container.


> We got it from an Axis Network Camera.
>
> Thank you,
> Giovanni
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