[MPlayer-users] Scaling problems on Windows

[Robert Jenks]

RC wrote:
> On Sun, 19 Aug 2007 21:54:18 -0500
> Robert Jenks <rjenks at animefest.org> wrote:
>
>   
>> In this particular case I am trying to scale video to 
>> the best fit within a 480x360 rectangle.
>>     
>
> -vf dsize has options for exactly that purpose.
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>   
I just tried:

-vf dsize=480:360:-1
-vf dsize=480:360:0
-vf dsize=480:360:1
-vf dsize=480:360:2
-vf dsize=480:360:3

They all did the same thing.  It says that it's scaling the video to 
480x360, but it's actually scaling it to 560x360.

Here is the output from one of the runs:

C:\>mplayer -noborder -slave -osdlevel 0 -zoom -geometry 640:135 -vf 
dsize=480:360:2 preview.avi

Playing preview.avi.
AVI file format detected.
VIDEO:  [XVID]  640x480  24bpp  23.976 fps  2342.6 kbps (286.0 kbyte/s)
Clip info:
 Software: VirtualDubMod 1.5.4.1 (build 2066/release)
Opening video filter: [dsize=480:360:2]
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
==========================================================================
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 48000 Hz, 2 ch, s16le, 128.0 kbit/8.33% (ratio: 16000->192000)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
AO: [dsound] 48000Hz 2ch s16le (2 bytes per sample)
Starting playback...
VDec: vo config request - 640 x 480 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO: [directx] 640x480 => 480x360 Planar YV12  [zoom]


Exiting... (End of file)



-Robert