cmd/mxl-player/main.go

@@ -534,13 +534,20 @@ func main() {
 		sdl.SetWindowFullscreen(windowHandler, true)
 	}
 	var (
+		fps        float64
 		lastIndex  uint64
 		dropped    uint64
 		frameCount uint64
 		lastReport time.Time
 		lastFrame  time.Time
+		// ImGui stats
+		domainStr string = args.Domain
+		videoStr  string = args.VideoFlowId
+		audioStr  string = args.AudioFlowId
+		showStats bool   = true
 	)
 	lastFrame = time.Now()
+
 	for running {
 		frameStart := time.Now()
 		var event [128]byte
@@ -560,6 +567,8 @@ func main() {
 					fullscreen = !fullscreen
 					sdl.SetWindowFullscreen(windowHandler, fullscreen)
 					resized = true
+				case sdl.KeyF1:
+					showStats = !showStats
 				}
 			}
 			gui.ProcessEvent(&event)
@@ -600,12 +609,48 @@ func main() {
 			continue
 		}
 
+		// stats
+		if lastIndex != 0 && shownIndex > lastIndex {
+			if g := shownIndex - lastIndex - 1; g > 0 {
+				dropped += g
+			}
+		}
+		lastIndex = shownIndex
+		frameCount++
+		if now := time.Now(); now.Sub(lastReport) >= time.Second {
+			dt := now.Sub(lastReport).Seconds()
+			fps = float64(frameCount) / dt
+			fmt.Printf("fps=%.1f dropped=%d idx=%d frameTime=%.2fms\n",
+				fps, dropped, shownIndex, float64(now.Sub(frameStart).Microseconds())/1000.0)
+			frameCount = 0
+			dropped = 0
+			lastReport = now
+		}
+		// end of stats
 		if r != nil {
 			gui.BeginFrame(time.Since(lastFrame), int32(r.Extent().Width), int32(r.Extent().Height))
 			// test widget
-			cimgui.Begin("Test")
+			// cimgui.Begin("Test")
-			imguiLabel := fmt.Sprintf("%dx%d", 1920, 1080)
+			if showStats {
-			cimgui.SeparatorText(imguiLabel)
+				cimgui.SetNextWindowPos(cimgui.Vec2{X: 10, Y: 10})
+				cimgui.SetNextWindowSize(cimgui.Vec2{X: 300, Y: 300})
+				cimgui.BeginV("Stats", &showStats,
+					cimgui.WindowFlagsNoTitleBar|cimgui.WindowFlagsNoBackground|cimgui.WindowFlagsNoResize|cimgui.WindowFlagsNoScrollbar)
+				cimgui.Text(fmt.Sprintf("FPS: %.1f", fps))
+				cimgui.Text(fmt.Sprintf("Dropped: %d", dropped))
+				cimgui.Text(fmt.Sprintf("Index: %d", shownIndex))
+				if syncSrc != nil {
+					cimgui.Text(fmt.Sprintf("Video: %dx%d %.2fp", syncSrc.Width(), syncSrc.Height(),
+						float32(syncSrc.Rate().Num/syncSrc.AudioRate().Den)))
+					cimgui.Text(fmt.Sprintf("Audio: %dch %dkHz", syncSrc.Channels(), syncSrc.AudioRate().Num))
+				}
+				cimgui.End()
+			}
+			cimgui.Begin("Connection")
+			cimgui.InputTextWithHint("Domain", "/dev/shm/mxl", &domainStr, 0, nil)
+			cimgui.InputTextWithHint("Video UUID", "", &videoStr, 0, nil)
+			cimgui.InputTextWithHint("Audio UUID", "", &audioStr, 0, nil)
+			cimgui.Checkbox("Show stats", &showStats)
 			cimgui.End()
 			gui.EndFrame()
 			lastFrame = time.Now()
@@ -631,22 +676,6 @@ func main() {
 				panic(err)
 			}
 
-			if lastIndex != 0 && shownIndex > lastIndex {
-				if g := shownIndex - lastIndex - 1; g > 0 {
-					dropped += g
-				}
-			}
-			lastIndex = shownIndex
-			frameCount++
-			if now := time.Now(); now.Sub(lastReport) >= time.Second {
-				dt := now.Sub(lastReport).Seconds()
-				fps := float64(frameCount) / dt
-				fmt.Printf("fps=%.1f dropped=%d idx=%d frameTime=%.2fms\n",
-					fps, dropped, shownIndex, float64(now.Sub(frameStart).Microseconds())/1000.0)
-				frameCount = 0
-				dropped = 0
-				lastReport = now
-			}
 		} else {
 			time.Sleep(10 * time.Millisecond)
 		}

imgui.ini

@@ -4,7 +4,17 @@ Size=400,400
 Collapsed=0
 
 [Window][Test]
-Pos=352,204
+Pos=60,60
-Size=554,180
+Size=251,92
+Collapsed=0
+
+[Window][Stats]
+Pos=10,10
+Size=300,300
+Collapsed=0
+
+[Window][Connection]
+Pos=676,497
+Size=413,137
 Collapsed=0
 

internal/sdl/sdl.go

@@ -29,6 +29,7 @@ const (
 
 	KeyEscape uint32 = 0x1B
 	KeyF      uint32 = 0x66
+	KeyF1     uint32 = 0x4000003A
 
 	InitAudio                  uint32 = 0x00000010
 	AudioDeviceDefaultPlayback uint32 = 0xFFFFFFFF