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# xvmpeg v0.1a info
# Copyright (C) 1995, Alexandre Naaman (hoser@step.polymtl.ca)
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:Panel
This is xvmpeg version 0.1a -- an OpenLook interface for mpeg_play.
The following keyboard accelerators are available:

'q' : Quits xvmpeg.
'o' : Displays "Open file..." window.
'p' : Plays animation.
'a' : Displays about window.

:Open_file
Pops up a window which is a browser in which you can select the file name to be used.

:Play
Plays animation using a system() call to mpeg_play.

:About
Display some info concerning copyrights and version number.

:Options
There are four options possible here:

No B Frames:
  Causes the player to ignore and not display any B frames.

No P Frames:
  Causes the player to ignore and not display any P frames.

Shared Mem:
  Turns shared memory on or off(on by default).

Quiet:
  Supresses printing of frame numbers, timing information, and most error messages. All error messages will be sent to /dev/console. I _strongly_ suggest that you have a xconsole running when you use this program.

:Dithering
Selects from a variety of dither options. The possible values are:

Ordered - ordered dither. 

Ordered2 - a faster ordered dither. This is the default.

Marablock Ordored - ordered dithering at the macroblock level. Although there is a noticeable decrease in dither quality, this is the fastest dither available.

FS4 - Floyd-Steinberg dithering with 4 error values propogated.

FS2 - Floyd-Steinberg dithering with 2 error values propogated.

FS2fast - Fast Floyd-Steinberg dithering with 2 error values propogated.

Hybrid - Hybrid dithering, a combination of ordered dithering for the luminance channel and Floyd-Steinberg 2 error dithering for the chrominance channels. Errors are NOT propogated properly and are dropped all togethor every two pixels in either direction.

Hybrid2 - Hybrid dithering as above, but with error propogation among pixels. 2x2 - A dithering technique using a 2x2 pixel area for each pixel. The image displayed is 4 times larger than the original image encoded. Random error terms are added to each pixel to break up contours and gradients.

2x2 - A dithering technique using a 2x2 pixel area for each pixel. The image displayed is 4 times larger than the original image encoded. Random error terms are added to  each pixel to break up contours and gradients.

Gray - Grayscale dithering. The image is dithered into 128 grayscales. Chrominance information is thrown away.

Color - Full color display (only available on 24 bit color displays).

None - no dithering is done, no image is displayed. Used to time decoding process.

Mono - Floyd-Steinberg dithering for monochrome displays.

Threshold - Floyd-simple dithering for monochrome displays.
