181 lines
6.6 KiB
Python
181 lines
6.6 KiB
Python
# Verify fix flow user: create SHM plain -> spawn bridge (no debugger) -> load Nexus ch=0
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# -> open GUI -> screenshot -> close -> reopen -> verify unmute + other plugin loads.
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import ctypes, ctypes.wintypes as w, struct, subprocess, sys, os, time, re
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from PIL import Image
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sys.stdout.reconfigure(encoding='utf-8', errors='replace')
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SHM_NAME = "SonicForge_DAW_IPC"
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SIZE = 32768
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HERE = os.path.dirname(os.path.abspath(__file__))
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BRIDGE = r"C:\Users\locpham\SonicForgeStudio\native_bridge\build\Release\daw_vst_bridge.exe"
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LOG = os.path.join(HERE, "probe_fix_flow.log")
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NEXUS = r"C:\Program Files\Common Files\VST3\Nexus.vst3"
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AMPLE = r"C:\Program Files\Common Files\VST3\Ample Sound\ACDD.vst3"
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kernel32 = ctypes.windll.kernel32
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kernel32.CreateFileMappingA.argtypes = [ctypes.c_void_p, ctypes.c_void_p, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.c_char_p]
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kernel32.CreateFileMappingA.restype = ctypes.c_void_p
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kernel32.MapViewOfFile.argtypes = [ctypes.c_void_p, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.wintypes.DWORD, ctypes.c_size_t]
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kernel32.MapViewOfFile.restype = ctypes.c_void_p
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INVALID_HANDLE_VALUE = ctypes.c_void_p(-1).value
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PAGE_READWRITE = 0x04
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FILE_MAP_ALL_ACCESS = 0xF001F
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hMap = kernel32.CreateFileMappingA(INVALID_HANDLE_VALUE, None, PAGE_READWRITE, 0, SIZE, SHM_NAME.encode())
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if not hMap:
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print("CreateFileMapping failed", ctypes.get_last_error()); sys.exit(1)
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ptr = kernel32.MapViewOfFile(hMap, FILE_MAP_ALL_ACCESS, 0, 0, 0)
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if not ptr:
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print("MapViewOfFile failed", ctypes.get_last_error()); sys.exit(1)
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def w32(off, fmt, *args):
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ctypes.memmove(ptr + off, struct.pack(fmt, *args), struct.calcsize(fmt))
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def write_control(type_, arg0, arg1, ch, path):
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for i in range(8):
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off = 2836 + i * 1040
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t = ctypes.c_uint32.from_address(ptr + off).value
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if t == 0:
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w32(off, 'IIII', type_, arg0, arg1, ch)
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if path:
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b = path.encode('utf-8')[:1023] + b'\x00'
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ctypes.memmove(ptr + off + 16, b, len(b))
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return i
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raise RuntimeError("control queue full")
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def push_controls(events):
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for i in range(8):
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w32(2836 + i * 1040, 'I', 0)
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for (type_, arg0, arg1, ch, path) in events:
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write_control(type_, arg0, arg1, ch, path)
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w32(11156, 'I', len(events))
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def write_index():
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return ctypes.c_uint32.from_address(ptr + 4).value
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def wait_log(pattern, timeout, since=0):
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end = time.time() + timeout
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while time.time() < end:
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try:
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with open(LOG, 'r', encoding='utf-8', errors='replace') as f:
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lines = f.readlines()
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except FileNotFoundError:
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lines = []
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for i in range(max(0, len(lines) - 1 - since), len(lines)):
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if pattern in lines[i]:
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return lines[i].strip()
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time.sleep(0.2)
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return None
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open(LOG, 'w', encoding='utf-8').close()
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proc = subprocess.Popen(
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[BRIDGE, "--shm", SHM_NAME],
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env={**os.environ, "SF_SHM_NAME": SHM_NAME, "SF_PARENT_PID": str(os.getpid()),
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"SF_SAMPLE_RATE": "48000", "SF_BLOCK_SIZE": "256"},
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stdout=open(LOG, 'ab'), stderr=subprocess.STDOUT,
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)
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time.sleep(1.5)
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print("bridge pid", proc.pid, "poll", proc.poll())
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if proc.poll() is not None:
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print("!!! BRIDGE EXITED EARLY"); sys.exit(1)
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def shot(hwnd, tag):
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user32 = ctypes.windll.user32
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rw = w.RECT()
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user32.GetWindowRect(hwnd, ctypes.byref(rw))
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wdt, hgt = rw.right - rw.left, rw.bottom - rw.top
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if wdt <= 0 or hgt <= 0:
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return f"bad rect {rw.left},{rw.top},{rw.right},{rw.bottom}"
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png = os.path.join(HERE, f"probe_fix_{tag}.png")
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ps = f"""
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Add-Type -AssemblyName System.Drawing
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$bmp = New-Object System.Drawing.Bitmap({wdt}, {hgt})
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$g = [System.Drawing.Graphics]::FromImage($bmp)
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$g.CopyFromScreen({rw.left}, {rw.top}, 0, 0, $bmp.Size)
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$bmp.Save('{png}')
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$g.Dispose(); $bmp.Dispose()
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"""
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subprocess.run(["powershell", "-NoProfile", "-Command", ps], check=False)
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img = Image.open(png).convert('L')
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px = list(img.getdata())
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n = len(px)
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avg = sum(px) / n
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buckets = [0, 0, 0, 0, 0, 0, 0, 0]
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for v in px:
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buckets[v // 32] += 1
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pct = [round(100 * b / n) for b in buckets]
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return f"avgLum {round(avg,1)} buckets[0-31..224-255] {pct} size {img.size}"
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def muted_now():
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# bridge log "channel muted while editor open" appears while editor open;
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# after close, next load/open should NOT show mute. We instead check writeIndex.
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return None
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# [1] load Nexus ch=0
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since = len(open(LOG, 'rb').read().splitlines())
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print("[1] load Nexus ch=0...")
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push_controls([(2, 0, 0, 0, NEXUS)])
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r = wait_log("instrument loaded ch=0", 90)
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print(" ", r)
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# [2] open GUI
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since = len(open(LOG, 'rb').read().splitlines())
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print("[2] open GUI ch=0...")
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push_controls([(4, 0, 0, 0, "nexus")])
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r = wait_log("GUI attached", 40)
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print(" ", r)
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m = re.search(r'hwnd=([0-9A-Fa-f]+)', r or "")
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hwnd = int(m.group(1), 16) if m else None
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time.sleep(8)
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if hwnd:
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print(" shot:", shot(hwnd, "nexus_open"))
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alive = proc.poll() is None
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print(" alive:", alive)
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wi = write_index(); time.sleep(2); wi2 = write_index()
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print(" writeIndex", wi, "->", wi2, "advancing:", wi2 > wi)
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# [3] close GUI via WM_CLOSE
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if hwnd:
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ctypes.windll.user32.SendMessageW(hwnd, 0x0010, 0, 0)
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time.sleep(4)
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alive = proc.poll() is None
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print("[3] after close alive:", alive)
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# [4] reopen GUI (user symptom: reopen -> mute)
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since = len(open(LOG, 'rb').read().splitlines())
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print("[4] reopen GUI ch=0...")
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push_controls([(4, 0, 0, 0, "nexus")])
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r = wait_log("GUI attached", 40)
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print(" ", r)
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m = re.search(r'hwnd=([0-9A-Fa-f]+)', r or "")
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hwnd = int(m.group(1), 16) if m else None
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time.sleep(8)
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if hwnd:
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print(" shot:", shot(hwnd, "nexus_reopen"))
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alive = proc.poll() is None
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wi = write_index(); time.sleep(2); wi2 = write_index()
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print(" alive:", alive, "writeIndex", wi, "->", wi2, "advancing:", wi2 > wi)
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# [5] load OTHER plugin while GUI open (user symptom: not load)
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since = len(open(LOG, 'rb').read().splitlines())
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print("[5] load Ample while Nexus GUI open...")
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push_controls([(2, 0, 0, 0, AMPLE)])
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r = wait_log("instrument loaded ch=0", 60)
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print(" ", r)
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alive = proc.poll() is None
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wi = write_index(); time.sleep(2); wi2 = write_index()
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print(" alive:", alive, "writeIndex", wi, "->", wi2, "advancing:", wi2 > wi)
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print("FINAL alive:", proc.poll() is None)
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print("--- last 25 log lines ---")
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for l in open(LOG, 'r', encoding='utf-8', errors='replace').readlines()[-25:]:
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print(l.rstrip())
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kernel32.UnmapViewOfFile.argtypes = [ctypes.c_void_p]
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kernel32.CloseHandle.argtypes = [ctypes.c_void_p]
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kernel32.UnmapViewOfFile(ptr)
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kernel32.CloseHandle(hMap)
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proc.terminate()
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print("done")
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