[MPlayer-users] stop prescalling

[Vladimir Mosgalin]

Hi Swapnil Jain!

 On 2011.04.25 at 18:10:47 +0530, Swapnil Jain wrote next:

> if you at this output its not prescaling, but its actually doing it. the display is the same as it was while not using -noaspect.
> 
> 
> mplayer -nolirc -noaspect -fs -vo vdpau -vc ffmpeg12vdpau upintheair.mpg

Could it be some vdpau magic that reads aspect from stream, ignoring
mplayer or something like that?
Does it happen with other output drivers too?

Here vdpau driver clearly gets 720x576 picture from mplayer - if driver
does some scaling in itself, during rendering, then I guess mplayer's
aspect setting has no control over it.


> 
> MPlayer SVN-r33060-4.4.3 (C) 2000-2011 MPlayer Team
> 
> Playing upintheair.mpg.
> Connecting to server 172.16.0.7[172.16.0.7]: 80...
> 
> Cache size set to 20000 KBytes
> Cache fill:  0.00% (0 bytes)
> 
> TS file format detected.
> VIDEO MPEG2(pid=33) AUDIO MPA(pid=36) NO SUBS (yet)!  PROGRAM N. 2
> VIDEO:  MPEG2  720x576  (aspect 3)  25.000 fps  4000.0 kbps (500.0 kbyte/s)
> VMI3.0 is being used
> ==========================================================================
> Forced video codec: ffmpeg12vdpau
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> Selected video codec: [ffmpeg12vdpau] vfm: ffmpeg (FFmpeg MPEG-1/2 (VDPAU))
> ==========================================================================
> ==========================================================================
> Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
> AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000)
> Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
> ==========================================================================
> AO: [oss] 48000Hz 2ch s16le (2 bytes per sample)
> Starting playback...
> [VD_FFMPEG] XVMC-accelerated MPEG-2.
> [vdpau] Failed creating VDPAU decoder: invalid/unsupported VdpDecoderProfile value
> Movie-Aspect is undefined - no prescaling applied.
> VO: [vdpau] 720x576 => 720x576 MPEG2 VDPAU acceleration  [fs]
>   V4L is 1
> A:   6.9 V:   6.9 A-V: -0.000 ct: -0.476 152/152 24%  3%  1.6% 7 0 77%
> 
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-- 

Vladimir