99 lines
3.6 KiB
Plaintext
99 lines
3.6 KiB
Plaintext
aaflip -- an ascii arted flic player for aalib
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Version 0.3
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This is modifies version of flip(flic animation file player, see bellow)
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that works in text mode.
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ORIGINAL FLIP README
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====================
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flip -- a flic file player for the Linux console
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Version 0.3
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By John Remyn
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This is a non-X flic animation file player for Linux. A VGA compatible card
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is required.
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Flic files can usually be recognized by the .fli or .flc extensions at the
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end of their filenames. Fli files are limited to a resolution of 320x200,
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while flc files can have any resolution.
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The binary requires svgalib to be installed (svgalib can be found at
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sunsite.unc.edu: /pub/Linux/libs).
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The default method of playing is to load the first frame of the animation
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sequence and display it. After this the remainder of the flic file is loaded
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into memory, and the animation starts. The animation ends when q or ctrl-c
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is pressed. There are some flags that control the way the flic file is
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handled:
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-a Remove frames from memory after processing. Using this option
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leaves more memory for other processes, but relies on the buffer
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cache for continuous animation.
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-b Process frames immediately as they are loaded. When using this
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option the animation frames are shown as soon as the player has read
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them, so you don't have to wait until the entire file has been
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read. The disadvantage is that the animation becomes jumpy if the
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speed set by the animation is higher than the speed of loading.
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-c Keep the screen black while loading the animation. This conflicts
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with option b, which can give interesting results.
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-f This removes the clock synchronization. This is just for fun, so
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you can show off the speed of your computer :-)
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-n <number>
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Play the flic file <number> times.
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-s <delay>
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Sets the delay between frames to <delay>*0.01 seconds. Option -s 0
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is the same as -f.
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- Causes flip to read the flic file from stdin. Using this with option
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-a may cause trouble since backward seeks are done.
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Other options are:
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-v Shows some information about the flic file being played.
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-? Shows a bit of help.
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Flc files:
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Flc files with resolutions higher than 320x200 are now supported, out of the
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3 files I could find, 2 work OK, 1 works almost OK.
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There are some considerations to be made when playing big flic files. If the
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file fits completely into memory, there are no problems. However when memory
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is short Linux swaps pages out of memory, which can happen while a frame is
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being decoded. This is not only slow but also results in very ugly
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animation. Animation improves when option -a is used, in which case there
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will be much less swapping (there still is a lot of disk/buffer-cache access
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going on though). Using option -b is also advisable since the animation
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won't be smooth anyway.
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Bugs:
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- X and Y offsets are not handled.
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- Flic files with resolutions smaller (or bigger) than the screen size are
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probably not handled correctly, but I have yet to see one.
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- At least one of the flc files I have displays a few pixels of trash in a
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place where they should definately not be. This could be caused by
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incorrect handling of a page break. When I feel motivated enough I'll try
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and fix it.
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Release history:
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V0.3a Added support for FLC files with resolutions greater than 320x200.
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(A real pain)
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V0.2a Added decoding of DELTA_FLC chunks, so some flc files can also be
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played. Changed the command line parameters. Removed some small
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bugs.
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V0.1 First release, only just capable of playing fli files.
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John Remyn (author) (boogyman@xs4all.hacktic.nl may work soon)
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Harm Hanemaayer hhanemaa@cs.ruu.nl (for mail)
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