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Amiga Plus 1997 #1
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Amiga Plus CD - 1997 - No. 01.iso
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psmp.readme
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1996-10-10
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81 lines
Short: IFF-8SVX player by Smack/Infect
Author: epgbd@cluster1.urz.uni-halle.de
Type: mus/play
$VER: PSMP 0.4 (Thu 10-Oct-96)
Introduction
------------
After I bought a large hard disk a few months ago I thought that I would
need something to fill it so I sampled some CDs borrowed from friends.
And, as I'm a hobby programmer, I also had to code my own player program
which was very small and simple and not to be released to the pulic. But
when I found a program called 'wavepak' by Wilhelm Noeker which compresses
samples using the well-known 4Bit-Delta-algorithm (Fibonacci coding) and
also introduces the new Exponential coding, I implemented some code in my
player to support these compressed samples. And, while we are talking
about compression, I thought it could be nice to play XPK-compressed files
because these special 8Bit-sample-packers (SQSH, CRMS) achieve quite good
compression ratios without the quality loss of 4Bit-Delta.
With all these (amazing :-) features PSMP is now really worth releasing.
Features
--------
-plays large samples (>126K) while loading
-supports compression (type 1: Fibonacci Delta, type 2: Exponential Delta,
the latter one was introduced by Wilhelm Noeker in his program 'wavepak')
-files may be compressed with XPK (they are loaded and decompressed
partially using xpkmaster.library's function XpkRead())
-no GUI, no MUI, just fast and efficient code
Requirements
------------
PSMP should work on all Amigas equipped with OS V37+.
Usage
-----
PSMP is to be started from shell, it supports some command line options:
FILE................file name of an IFF-8SVX sample to be played,
if omitted a reqtools filerequester appears
P=PLAYBACKRATE/K/N..set sampling rate for playing (in Hz=1/sec),
overrides the value stored in the file
F=FILTER/S..........enable hardware-lowpass-filter
R=REPEAT/S..........restart sample after EOF (loop forever)
I=INFO/S............don't play, just print some information about the file
While PSMP is running it can be controlled via these break signals:
Ctrl-F...toggle hardware-lowpass-filter on/off
Ctrl-E...repeat mode off (exit when the sample's end is reached next time)
Ctrl-D...repeat mode on
Ctrl-C...exit immediately
Author
------
PSMP is Copyright (c) 1996 by Michael Henke. It is released as FREEWARE,
which means it may be distributed and used for free, but no profit may be
made with it.
The program and the information within this text are provided 'AS-IS'.
The entire risk as to its quality and performance is with the user.
In no event will the author be liable for direct, indirect, incidental or
consequential damages resulting from any defect in the program.
Take a look at my YAFA anim player (Aminet/gfx/show/YP.lha), and to the
software developers out there: please consider supporting the YAFA anim
file format in your programs. (documentation: Aminet/dev/misc/YAFA-doc.lha)
A shared library for easy handling of YAFA anims is under construction.
Michael Henke (Smack/Infect)
Praetoriusstr. 1/205
06124 Halle
Germany
EMail: epgbd@cluster1.urz.uni-halle.de
Don't eat the bad fish :-)
Infect rulez.