108 lines
3.7 KiB
Python
108 lines
3.7 KiB
Python
# Narrow test: load ONLY ch=5 Nexus -> open GUI ch=5. Is multi-instance the trigger?
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import ctypes, ctypes.wintypes as w, struct, subprocess, sys, os, time
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sys.stdout.reconfigure(encoding='utf-8', errors='replace')
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SHM_NAME = "SonicForge_DAW_IPC_NARROW"
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SIZE = 32768
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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(os.path.dirname(os.path.abspath(__file__)), "narrow_bridge.log")
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NEXUS = r"C:\Program Files\Common Files\VST3\Nexus.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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w32(11156, 'I', 0)
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n = 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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n += 1
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w32(11156, 'I', n)
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def wait_log(pattern, timeout, since=0):
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end = time.time() + timeout
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lines = []
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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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pass
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last = max(0, len(lines) - since)
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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(last, len(lines)):
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if pattern in lines[i]:
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return lines[i].strip()
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last = max(0, len(lines))
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time.sleep(0.2)
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return None
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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, 'wb'), 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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print("[1] load ch=5 Nexus only...")
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push_controls([(2, 0, 0, 5, NEXUS)])
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r = wait_log("instrument loaded ch=5", 60)
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print(" ", r)
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print("[2] open GUI ch=5...")
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push_controls([(4, 0, 0, 5, "nexus")])
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r = wait_log("GUI attached", 30)
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print(" ", r)
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time.sleep(2)
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print("alive:", proc.poll() is None)
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print("--- last 20 log lines ---")
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with open(LOG, 'r', encoding='utf-8', errors='replace') as f:
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for l in f.readlines()[-20:]:
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print(l.rstrip())
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kernel32.UnmapViewOfFile(ptr)
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kernel32.CloseHandle(hMap)
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try:
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proc.terminate()
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except Exception:
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pass
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print("done")
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