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cead8c8c71
- SharedMemoryIPC.h/main.cpp: render into ring slot (idx & ringMask), 8 slots - shm.rs: ring fields + read_ring_audio; lib.rs pump drains FULL delta, not just latest - bridgeAudioNode.js: AudioWorklet primary (bridge-audio-sink), ScriptProcessor fallback - bridgeAudioWorklet.js: ring 64 blocks, underrun fade, overrun drop + crossfade - layout tests: sizeof 27560 (8-align via u64)
85 lines
3.6 KiB
C++
85 lines
3.6 KiB
C++
// native_bridge/tests/shm_selfcheck.cpp
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// Self-check for SharedMemoryIPC helpers (assert-based, no framework).
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// POSIX path runs on Linux/macOS; Win32 path guarded (runs on Windows build).
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#include "../include/SharedMemoryIPC.h"
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#include "../src/SharedMemoryIPC.cpp"
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#include <cassert>
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#include <cstdio>
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#include <cstring>
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int main() {
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// Use a test-only name to avoid clashing with a live DAW bridge.
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ShmHandle* h = shm_open("SonicForge_SelfCheck_IPC");
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#ifdef _WIN32
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// On Windows the DAW (Rust) creates the mapping; standalone self-check
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// creates it here when absent.
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if (!h) h = shm_create("SonicForge_SelfCheck_IPC");
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#endif
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assert(h != nullptr);
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SharedAudioBufferIPC* ipc = shm_ptr(h);
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assert(ipc != nullptr);
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// Reset state (POSIX shm may survive an aborted previous run).
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std::memset(ipc, 0, sizeof(SharedAudioBufferIPC));
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// 1. MIDI event write + read back (A12: data2/data3 for CC/program/pitch bend)
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assert(shm_write_midi(h, 0x9, 2, 60, 100, 37));
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assert(ipc->midiQueueCount == 1);
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assert(ipc->midiQueue[0].command == 0x9);
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assert(ipc->midiQueue[0].channel == 2);
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assert(ipc->midiQueue[0].pitch == 60);
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assert(ipc->midiQueue[0].velocity == 100);
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assert(ipc->midiQueue[0].sampleOffset == 37);
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assert(ipc->midiQueue[0].data2 == 0 && ipc->midiQueue[0].data3 == 0);
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assert(shm_write_midi(h, 0xB, 3, 64, 0, 0, 127)); // CC64 sustain = 127
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assert(shm_write_midi(h, 0xE, 3, 0, 0, 0, 0x00, 0x40)); // pitch bend MSB
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assert(ipc->midiQueue[1].data2 == 127);
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assert(ipc->midiQueue[2].data3 == 0x40);
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assert(ipc->midiQueueCount == 3);
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// 2. Control event with path + channel (A10)
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assert(shm_write_control(h, 2, 1 /*SOUNDFONT_SF2_SF3*/, 0, 4, "C:\\sf\\SGM.sf2"));
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assert(ipc->controlQueueCount == 1);
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assert(ipc->controlQueue[0].type == 2);
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assert(ipc->controlQueue[0].arg0 == 1);
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assert(ipc->controlQueue[0].channel == 4);
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assert(std::strcmp(ipc->controlQueue[0].arg2, "C:\\sf\\SGM.sf2") == 0);
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// TRANSPORT (A13): STOP with playhead arg
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assert(shm_write_control(h, 3, 0, 44100, 0, ""));
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assert(ipc->controlQueue[1].type == 3 && ipc->controlQueue[1].arg0 == 0
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&& ipc->controlQueue[1].arg1 == 44100);
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// 3. Queue capacity guard
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for (int i = 0; i < 70; ++i) shm_write_midi(h, 0x8, 0, 40, 0, 0);
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assert(ipc->midiQueueCount == 64); // capped, not overflowed
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// 4. Audio block round-trip
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for (uint32_t i = 0; i < AUDIO_BLOCK_SIZE; ++i) ipc->masterLeft[i] = (float)i;
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ipc->bridgeWriteIndex++;
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ipc->blockTimestamp = 123456;
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assert(ipc->masterLeft[255] == 255.0f);
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assert(ipc->bridgeWriteIndex == 1);
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assert(ipc->blockTimestamp == 123456);
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// 5. Layout stability — MUST match Rust src-tauri/src/shm.rs
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assert(sizeof(SharedAudioBufferIPC::MidiEventIPC) == 12);
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assert(sizeof(SharedAudioBufferIPC::ControlEventIPC) == 1040);
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// G4.5 ring: 11168 (G3.1 +heartbeat) + ringMask(4) + ringLeft(8192) + ringRight(8192)
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// = 27556, rounded up to 8-byte struct alignment (u64 blockTimestamp) => 27560.
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// Matches Rust size_of (src-tauri/src/shm.rs layout test).
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assert(sizeof(SharedAudioBufferIPC) == 27560);
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// 6. Audio ring round-trip (multi-slot, VSTi crackle fix)
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ipc->ringMask = 7;
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for (uint32_t i = 0; i < AUDIO_BLOCK_SIZE; ++i) ipc->ringLeft[3][i] = (float)i * 2.0f;
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ipc->ringRight[3][0] = 42.0f;
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assert(ipc->ringLeft[3][255] == 510.0f);
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assert(ipc->ringRight[3][0] == 42.0f);
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assert((ipc->bridgeWriteIndex & ipc->ringMask) < 8);
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std::printf("SHM self-check OK (sizeof struct = %zu bytes)\n", sizeof(SharedAudioBufferIPC));
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shm_close(h);
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return 0;
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}
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