jim800121chen
c54f16fca0
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>
82 lines
1.5 KiB
Go
82 lines
1.5 KiB
Go
package camera
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import (
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"fmt"
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"net/http"
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"sync"
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)
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type MJPEGStreamer struct {
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frameCh chan []byte
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clients map[chan []byte]bool
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mu sync.Mutex
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}
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func NewMJPEGStreamer() *MJPEGStreamer {
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return &MJPEGStreamer{
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frameCh: make(chan []byte, 3),
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clients: make(map[chan []byte]bool),
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}
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}
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func (s *MJPEGStreamer) FrameChannel() chan<- []byte {
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return s.frameCh
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}
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func (s *MJPEGStreamer) Run() {
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for frame := range s.frameCh {
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s.mu.Lock()
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for ch := range s.clients {
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select {
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case ch <- frame:
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default:
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// drop frame for slow client
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}
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}
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s.mu.Unlock()
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}
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}
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func (s *MJPEGStreamer) AddClient() chan []byte {
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ch := make(chan []byte, 3)
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s.mu.Lock()
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s.clients[ch] = true
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s.mu.Unlock()
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return ch
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}
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func (s *MJPEGStreamer) RemoveClient(ch chan []byte) {
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s.mu.Lock()
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delete(s.clients, ch)
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s.mu.Unlock()
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}
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func (s *MJPEGStreamer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "multipart/x-mixed-replace; boundary=frame")
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w.Header().Set("Cache-Control", "no-cache")
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w.Header().Set("Connection", "keep-alive")
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flusher, ok := w.(http.Flusher)
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if !ok {
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http.Error(w, "Streaming not supported", 500)
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return
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}
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clientCh := s.AddClient()
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defer s.RemoveClient(clientCh)
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for {
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select {
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case <-r.Context().Done():
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return
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case frame := <-clientCh:
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fmt.Fprintf(w, "--frame\r\n")
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fmt.Fprintf(w, "Content-Type: image/jpeg\r\n")
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fmt.Fprintf(w, "Content-Length: %d\r\n\r\n", len(frame))
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w.Write(frame)
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fmt.Fprintf(w, "\r\n")
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flusher.Flush()
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}
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}
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}
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