24cc: exact coef-gen formula pinned — exp_arg=|c|*g/n with n=2049 ([state+8] live-verified all three states); saturating form; default down-coefs 0.003-0.19 (gentle, cascade-only effect)

scripts/probe_states.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+"""probe_states.py — read IIR state headers ([base+8]) for the three
+FUN_180533340-generated states during render."""
+import struct, subprocess, sys, time
+import glob, os
+
+def find_host():
+    for p in glob.glob('/proc/[0-9]*'):
+        pid=int(os.path.basename(p))
+        try:
+            cmd=open(f'/proc/{pid}/cmdline','rb').read().replace(b'\0',b' ').decode('utf8','replace')
+            maps=open(f'/proc/{pid}/maps').read()
+        except Exception: continue
+        if 'soothe2' in maps and 'reaper' not in cmd: return pid
+    return None
+
+subprocess.run("pkill -9 -x reaper; pkill -9 -f '[y]abridge'; "
+               "rm -rf /run/user/1000/yabridge-soothe2_x64-*; sleep 1", shell=True)
+rpp=sys.argv[1] if len(sys.argv)>1 else '/home/m/soothe-bt/dual_b1q_0.5.rpp'
+proc=subprocess.Popen(['/usr/bin/reaper','-nosplash','-ignoreerrors','-renderproject',rpp],
+                      stdout=open('/dev/null','w'),stderr=subprocess.STDOUT)
+t0=time.time(); host=None
+while time.time()-t0<30 and not host:
+    host=find_host(); time.sleep(0.002)
+print('host',host,flush=True)
+fd=os.open(f'/proc/{host}/mem',os.O_RDONLY)
+def rd(a,n):
+    try: return os.pread(fd,n,a)
+    except OSError: return None
+ctx=0x2370040
+STATES=[('st1',0x2404e8),('st2',0x340500),('st3',0x440518)]
+seen=set()
+while time.time()-t0<10:
+    vals=[]
+    for nm,base in STATES:
+        b=rd(ctx+base+8,4)
+        f=struct.unpack('<f',b)[0] if b else float('nan')
+        n=struct.unpack('<i',rd(ctx+base,4) or b'\xff\xff\xff\xff')[0]
+        vals.append((nm,n,f))
+    key=tuple(round(v[2],4) for v in vals)
+    if key not in seen:
+        seen.add(key)
+        print(' '.join('%s:n=%d val=%.6g'%v for v in vals), flush=True)
+    time.sleep(0.05)
+os.close(fd)