getseed — Reads the global seed value.
Here is an example of the getseed opcode. It uses the file getseed.csd.
Example 424. Example of the getseed opcode.
See the sections Real-time Audio and Command Line Flags for more information on using command line flags.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -odac ;;;realtime audio out ;-iadc ;;;uncomment -iadc if RT audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o getseed.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> sr = 44100 ksmps = 32 nchnls = 2 0dbfs = 1 ; by Menno Knevel - 2021 seed 0 ; use seed from system clock instr 1 ; different values every time - value is derived from system clock krnd randomh 100, 400, 1 printks2 "different values every time Value = %d\n ", krnd aout poscil 0.8, 440+krnd outs aout, aout endin instr 2 ; same values every time - captured by getseed gised getseed ; capture the clock seed value and make it a global value seed gised ; so that it can be used in all instruments print gised krnd randomh 100, 400, 1 printks2 "get seed value from time clock. Value = %d\n ", krnd aout poscil 0.8, 440+krnd outs aout, aout endin instr 3 ; same values every time - captured by getseed print gised ; check the global seed value seed gised ; let the seed get this value krnd randomh 100, 400, 1 printks2 "re-uses seed value of instr 2. Value = %d\n ", krnd aout poscil 0.8, 440+krnd outs aout, aout endin </CsInstruments> <CsScore> i1 0 3 ; 2 notes showing the different i1 5 3 i2 10 3 ; 1 note & get the seed value i3 15 3 ; 1 note and use that seed value again e </CsScore> </CsoundSynthesizer>