local-tool/: visionA-local desktop app
- M1: Wails shell + Go server + Next.js UI + Mock mode (macOS dmg ready)
- M2: i18n (zh-TW/en) + Settings 4-tab refactor
- M3: Embedded Python 3.12 runtime (python-build-standalone) + KneronPLUS wheels
- M4: Windows Inno Setup script (build on Windows runner)
- M5: Linux AppImage script + udev rule (build on Linux runner)
- M6: ffmpeg (GPL, pending legal review) + yt-dlp bundled
- Lifecycle: watchServer health check, fatal native dialog,
Wails IPC raise endpoint, stale process cleanup
.autoflow/: full PRD / Design Spec / Architecture / Testing docs
(4 rounds tri-party discussion + cross review)
.github/workflows/: macOS / Windows / Linux build CI
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
108 lines
2.2 KiB
Go
108 lines
2.2 KiB
Go
package camera
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import (
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"fmt"
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"sync"
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)
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type CameraInfo struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Index int `json:"index"`
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Width int `json:"width"`
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Height int `json:"height"`
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}
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type Manager struct {
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mockMode bool
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mockCamera *MockCamera
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ffmpegCam *FFmpegCamera
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isOpen bool
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mu sync.Mutex
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}
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func NewManager(mockMode bool) *Manager {
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return &Manager{mockMode: mockMode}
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}
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func (m *Manager) ListCameras() []CameraInfo {
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if m.mockMode {
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return []CameraInfo{
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{ID: "mock-cam-0", Name: "Mock Camera 0", Index: 0, Width: 640, Height: 480},
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}
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}
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// Try to detect real cameras via ffmpeg (auto-detects OS)
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devices := ListFFmpegDevices()
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if len(devices) > 0 {
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return devices
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}
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if !DetectFFmpeg() {
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fmt.Println("[WARN] ffmpeg not found — install with: brew install ffmpeg (macOS) or winget install ffmpeg (Windows)")
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} else {
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fmt.Println("[WARN] No video devices detected by ffmpeg")
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}
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return []CameraInfo{}
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}
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func (m *Manager) Open(index, width, height int) error {
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m.mu.Lock()
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defer m.mu.Unlock()
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if m.mockMode {
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m.mockCamera = NewMockCamera(width, height)
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m.isOpen = true
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return nil
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}
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// Try real camera via ffmpeg
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if !DetectFFmpeg() {
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return fmt.Errorf("ffmpeg not found — install with: brew install ffmpeg (macOS) or winget install ffmpeg (Windows)")
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}
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cam, err := NewFFmpegCamera(index, width, height, 30)
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if err != nil {
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return fmt.Errorf("failed to open camera (index=%d): %w", index, err)
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}
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m.ffmpegCam = cam
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m.isOpen = true
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fmt.Printf("[INFO] Opened real camera (index=%d) via ffmpeg\n", index)
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return nil
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}
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func (m *Manager) Close() error {
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m.mu.Lock()
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defer m.mu.Unlock()
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if m.ffmpegCam != nil {
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_ = m.ffmpegCam.Close()
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m.ffmpegCam = nil
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}
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m.mockCamera = nil
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m.isOpen = false
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return nil
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}
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func (m *Manager) ReadFrame() ([]byte, error) {
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m.mu.Lock()
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defer m.mu.Unlock()
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if !m.isOpen {
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return nil, fmt.Errorf("camera not open")
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}
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if m.ffmpegCam != nil {
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return m.ffmpegCam.ReadFrame()
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}
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if m.mockCamera != nil {
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return m.mockCamera.ReadFrame()
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}
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return nil, fmt.Errorf("no camera available")
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}
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func (m *Manager) IsOpen() bool {
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m.mu.Lock()
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defer m.mu.Unlock()
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return m.isOpen
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}
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