64 lines
1.0 KiB
Go
64 lines
1.0 KiB
Go
package stream
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import (
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"fmt"
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"os"
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"sync"
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"sync/atomic"
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"time"
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log "github.com/sirupsen/logrus"
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)
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var (
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counter *FrameRateCounter
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counterOnce sync.Once
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)
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type FrameRateCounter struct {
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frameCount int32
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fps int32
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mutex sync.Mutex
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}
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func GetFrameRateCounter() *FrameRateCounter {
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counterOnce.Do(func() {
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counter = &FrameRateCounter{}
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go func() {
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ticker := time.NewTicker(3 * time.Second)
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defer ticker.Stop()
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for range ticker.C {
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counter.mutex.Lock()
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currentCount := atomic.LoadInt32(&counter.frameCount)
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counter.fps = currentCount / 3
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atomic.StoreInt32(&counter.frameCount, 0)
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counter.mutex.Unlock()
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data := fmt.Sprintf("%d", counter.fps)
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err := os.WriteFile("/kvmapp/kvm/now_fps", []byte(data), 0o666)
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if err != nil {
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log.Errorf("failed to write fps: %s", err)
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}
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}
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}()
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})
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return counter
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}
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func (f *FrameRateCounter) Update() {
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atomic.AddInt32(&f.frameCount, 1)
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}
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func (f *FrameRateCounter) GetFPS() int32 {
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f.mutex.Lock()
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defer f.mutex.Unlock()
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return f.fps
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}
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