home *** CD-ROM | disk | FTP | other *** search
-
- Cthugha V5.0
- 'An Oscilliscope on Acid'
-
- by the Digital Aasvogel Group. 1993-1994
- Revision V5.0 - 29Jun94 zaph
-
-
-
- Who's this Cthugha dude anyway ?
- -----------------------------------------------------------------------
- "Cthugha resembles an enormous burning mass continually varying in shape.
- It dwells at or near the star Fomalhaut, from whence it may be called.
- It is one of the most obscure and remote of all the Great Old Ones."
- Call of Cthulhu - Chaosium
-
- When Cthugha is summoned he is always accompanied by Fire Vampires.
-
- 'There appeared thousands of tiny points of light. ... The myriad points of
- light were living entities of flame! For wherever they touched, fire sprang
- up.'
- The dweller in Darkness, by August Derleth
-
-
-
- What does this software do then ?
- -----------------------------------------------------------------------
- Audio input seeded image processing.
- Cool.
- Hook up your CD player to the input of your soundblaster card,
- or use your CD-ROM player if you've got one.
- Run Cthugha (DOS program)
- Then play some of your coolest music
- - and wow, does your screen look like a 90's lava lamp or what ?
-
- Cthugha 'listens' to your music, and changes the display dynamically
- to the sound.
-
- Ever looked an an oscilliscope of your voice or of music ?
-
- Think of this as an oscilliscope on acid.
-
-
-
-
-
- Technical Stuff :
- -----------------------------------------------------------------------
-
- Sound Cards :
-
- Tested with soundblaster Pro and 16
- Tested with GUS
- **PROBABLY DOESN'T WORK WITH A PAS AT THE MOMENT :-(
-
- (Sorry - that's all we had, if you want other cards supported get in
- touch, and we'll see what we can do.)
-
- Oh yeah, it needs a 386 too :-)
- And it *really* wants a 486 with a good-speed graphics card...
- And it *flys* with a Pentium PCI machine :-)
-
- Command Line syntax:
-
- Cthugha: Command line options
- (These are Case sensitive commands)
-
- -L,-M,-C : Use Line/Mic/CD as input
- -G,-S,-P : Use GUS/SB/PAS (default: search)
- -O : Use OLD SB code (useful for PAS or other cards that dont work)
- -s,-m : Default to STEREO/MONO
- -i,-e : Disable Inbuilt/External Palettes
-
- -T <num> : Minimum frames before changing
- -R <num> : extra random frames before changing
- time delay formula : delay = t + rand()%r
-
- -V <0-255>: Set input volume to <0-255>
- -v <rate> : VU bar sample rate (Default=4000)
-
- -Q <num> : Number of frames before silence change <def:200>
- -f <num> : Start with flame #<num>
- -w <num> : Start with wave #<num>
- -p <num> : Start with palette #<num>
- -l : Lock to first wave/flame/palette
-
- -d : Pause just before running (usually for debug)
- -X,-x : Debug mode (no sound source needed) - generate random noise
- -t <fname>: Load alternate Translation table file
- -q <fname>: Load alternate Quiet strings from a text file
- -I <fname>: Load settings from .ini file
-
- -B <num> : Set the beat volume level to #<num> <def:220>
- -b <num> : Set the number of beats to #<num> (0,-ve to disable) <def:16>
- (Notes on BEATS):
- The BEAT flags allow the screen to try to change on a regular number of
- loud beats... Usually this matches either a drum beat, or loud vocals..
- If you set the values too low, everything starts going crazy :-)
- This would be better implemented as a frequency based system, but since
- the FFT code isnt going yet...
-
- Keyboard Commands (While running) :
-
- - + Drop/Increase the sample rate by 1000hz
- < > Drop/Increase the noise threshold (blanking level)
-
- i write current setting to INI file
-
- w change wave function
- f change flame function
- p changes palette
- t changes table (how it uses the palette)
- d changes display function (up/down etc)
- m massage the audio (figure that one out!!)
- L Lock modes (No random switching)
- c CD player interface
- <space> randomally changes something (maybe the same)
- * Stereo/Mono toggle
- ! Toggle Translation Table
-
- <esc> Exit
- x Exit
-
-
-
-
-
-
- More Tech Stuff :
- -----------------------------------------------------------------------
-
- Palette File Format :
- The format is the same that FRACTINT uses. If not all color indexes
- are specified then they default to black. The color values are
- specified in RGB tupples (0-255), where 0 is black. Easy !
- The software scans the current directory for palette files (ext .MAP)
- and uses up to the first 25 it finds.
- Format -
-
- 255 255 255 comments index 0
- ... ... ...
- 255 255 255 comments color index 255
-
- If you come up with a good palette file,
- email it to zaph@torps.apana.org.au
-
-
-
-
-
-
- Translation Tables:
- -----------------------------------------------------------------------
- These tables are used to design just about ANY effect, without recompiling
- the source to Cthugha!!!
-
- Here's how they work.
- You generate a table, 320x204, of integers - the integer represents the
- SOURCE pixel for this DESTINATION pixel.
-
- e.g in a small 3x3 world..
- 123
- 456
- 789 would do nothing
-
- 236
- 519
- 478 would rotate around the edge, and pop back to the center...
-
- Read the source to GENTABLE.C to try to work out how it works, or send me
- some email!
-
- Several tables are included with Cthugha - try them with the -t <fname>
- option. Currently, only one table can be loaded for a given run of Cthugha.
-
-
-
-
- Quiet Strings:
- -----------------------------------------------------------------------
- If everything goes quiet for a while, then Cthugha will pop up one of
- 19 strings to the screen
- Each string can be up to 19 characters long, and can be read from a text
- file with the following command line parameter
-
- cthugha -q filename
-
- The first 19 characters of each line are used for the string table.
-
-
-
-
-
- Contact/Shipping/legal things :
- -----------------------------------------------------------------------
- CTHUGHA V5.0
-
- Forward messages to Zaph
- Internet zaph@torps.apana.org.au
- Torps Productions BBS +61-3-813-3688
- FidoNet 3:634/386 (FREQ CTHUGHA for the latest version)
- Compuserve 100240,2002 (I'd rather use Internet...)
-
- or:
-
- Zaph
- PO Box 331
- Richmond 3121
- Victoria, Australia
-
-
- SHAREWARE (PostcardWare/CDWare)
- Free for non-commercial use - Send a Postcard to show your appreciation
- If you have more money than you know what to do with, then send me a CD
- of something you like listening to with Cthugha on the screen...
-
- Really, there's no point sending me a cheque for $20-$30, because its going
- to cost to get it cashed anyway, and I'd probably go out and buy a CD with
- the money, so - if you want to send more than a postcard, why not just send
- a CD instead ??
-
- Commercial users register for US$50 (or AUS$50)
- (Previous versions were US$20, but it costs that much to cash the cheque!)
-
- Kevin Burfitt
- PO Box 331
- Richmond 3121
- Victoria, Australia
-
-
- If you can't afford to register send a video tape of public performance
- or send a postcard :-)
-
- If you forward this program on to friends, make it available on a
- BBS, etc please include this document (un-adulterated).
-
- If you run a shareware house/store, the disk you sell this program on
- is not allowed to be sold for more than US$20.
-
- DISCLAIMER : this software is provided 'as is' without waranty
- of any kind implied or expressed.
-
- If it works, great.
- If it doesn't, then that's your bad luck - send us some mail and we will try
- to fix it.
-
-
-
-
-
- Thanks to:
- -----------------------------------------------------------------------
- Coders:
-
- zaph@torps.apana.org.au (Kevin Burfitt) Thats me :-)
- moles@torps.apana.org.au (Myles Abbott) Documentation/Ideas
- u23783@vicvm.uic.edu (Daniel Sachs) SBpro/SB16 Stereo Support,
- CD stuff, Borland support
- ukr8@rz.uni-karlsruhe.de (Jochen Quante) GUS support
- ae510@freenet.carleton.ca (Derek Beland) PAS support (not yet)
-
- General:
-
- Dean Scully Convinced me to release the beast...
- millen3@rpi.edu (Neal Millen) First person to email me with ideas!
- bl2i+@andrew.cmu.edu (Bryan Lewis) Said nice things about Cthugha
- pgray@umr.edu (Paul Gray) Convinced me to release this version
- markd@bushwire.apana.org.au Offered his site for FTP access
-
- ID software For DOOM :-)
-
-
-
- Postcards from: (so far!)
- -----------------------------------------------------------------------
- Finland : Toni Nikkanen
- Denmark : Ole Nielsen (and his 5.y.o. Neice)
- Sweden : Nader Attar
- USA : Lang Zerner, Mark Mathais, Gabor Lauffer
- Netherlands: Reinout von Shouwen
- Australia : James Milne
-
-
- CD's from: (so far!)
- -----------------------------------------------------------------------
- Pete Namlooks Ambient Compilation 2 from Don Weir, Australia
-
-
-
- Good CD's to watch: (With comments from the net!)
- -----------------------------------------------------------------------
-
- The Cure:
- Dire Straits: Brothers in Arms
- Ella Fitzgerald: (really!!, the 20's songs - trp@Cs.Nott.AC.UK)
- Enigma:
- Enya: (Excellent with all white palettes - jsee+@andrew.cmu.edu)
- Nine Inch Nails:
- Peter Gabriel:
- Pink Floyd: The Dark Side Of The Moon
- Pink Floyd: Momentary lapse of reason
- Pink Floyd: (actually, anything by Pink Floyd will do...)
- Orbital:
- Smashing Pumpkins:
- Metallica: Orion - use the crawling worms mode :-)
- Metallica: Use Lightning for most tracks
- Hendrix:
- Manic Depression:
- Pete Namlook:
- Klaus Schulze:
-
-
- SOURCE CODE:
- -----------------------------------------------------------------------
- The Source code to V5.0 should be in this archive. If you didn't get the
- source, then email me on zaph@torps.apana.org.au
-
- If you are interested in contributing to the source, contact me via the
- Internet zaph@torps.apana.org.au
-
-
- TroubleShooting TroubleShooting
- -----------------------------------------------------------------------
-
- Q: Why doesnt Cthugha work with my V2 Soundblaster ?
- A: It might, try using the -O mode for compatibility
-
- Q: Why isnt there native support for my <xxx> card ?
- A: Because I need someone like you to write it for me!!
- For now, try the -S or -O options...
-
- Q: How can I register Cthugha ?
- A: You can send me a postcard, its all I ask... if you have too much money
- and don't know what to do with it, then send me a CD of something that
- looks cool with Cthugha!
- (You could send more, but I don't ask for it... so far I've been sent
- several postcards, a couple of long letters, and a CD)
-
-