[MEncoder-users] mplayer -vc null -vo null -ao pcm:fast: Your system is too SLOW to play this!

[Andrew Savchenko]

Hi,

On 1 Jan 2007 20:54 Strong wrote:
> I dump sound out of avi with this (is it more efficient with
> mencoder?):
>
> $ mplayer -vc null -vo null -ao pcm:fast 2006.avi
>
> And get this:
> MPlayer 1.0rc1-rpm.livna.org-4.1.1 (C) 2000-2006 MPlayer
> Team CPU: Intel(R) Celeron(R) CPU 2.26GHz (Family: 15, Model: 3,
> Stepping: 3) CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1
> SSE2: 1 Compiled with runtime CPU detection.
> 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 2006.avi.
> AVI file format detected.
> VIDEO:  [FMP4]  352x244  24bpp  25.000 fps  709.0 kbps (86.6
> kbyte/s) Clip info:
>  Software: MEncoder 1.0rc1-4.1.1
> ================================================================
>========== Forced video codec: null
> Opening video decoder: [null] Null video decoder
> VDec: vo config request - 352 x 244 (preferred colorspace: BGR
> 24-bit) VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is 1.57:1 - prescaling to correct movie aspect.
> VO: [null] 352x244 => 384x244 Planar YV12
> Selected video codec: [null] vfm: null (NULL codec (no
> decoding!))
> ================================================================
>==========
> ================================================================
>========== Opening audio decoder: [liba52] AC3 decoding with
> liba52 Using SSE optimized IMDCT transform
> Using MMX optimized resampler
> AUDIO: 48000 Hz, 2 ch, s16le, 256.0 kbit/16.67% (ratio:
> 32000->192000) Selected audio codec: [a52] afm: liba52
> (AC3-liba52)
> ================================================================
>========== [AO PCM] File: audiodump.wav (WAVE)
> PCM: Samplerate: 48000Hz Channels: Stereo Format s16le
> [AO PCM] Info: Faster dumping is achieved with -vc null -vo null
> -ao pcm:fast [AO PCM] Info: To write WAVE files use -ao
> pcm:waveheader (default). AO: [pcm] 48000Hz 2ch s16le (2 bytes
> per sample) Starting playback...
> A:   2.7 V:   2.4 A-V:  0.291 ct: -0.000  62/ 62  0%  0%  0.5%
> 55 0
>
>            **** Your system is too SLOW to play this!  ****
>
> Why is for my Celeron 2,26GHz and 512Mb RAM?!

A cut from man mplayer:
---
fast
Try to dump faster than realtime.  Make sure the  output  does  not
get truncated (usually with "Too many video packets in buffer" mes-
sage).  It is normal that you get a "Your system  is  too  SLOW  to
play this!" message.
---
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