fix gui freeze bug (work round)

core/adapter/player.go

@@ -0,0 +1,40 @@
+package adapter
+
+import (
+	"AynaLivePlayer/common/event"
+	"AynaLivePlayer/core/model"
+)
+
+type PlayerCtor func(ev *event.Manager, log ILogger) IPlayer
+
+type IPlayer interface {
+	// Start the player
+	Start()
+	// Stop the player
+	Stop()
+	// Play play a media
+	Play(media *model.Media) error
+	// GetPlaying get playing media
+	// if player is idle, return nil
+	GetPlaying() *model.Media
+	// IsPaused return true if player is paused
+	IsPaused() bool
+	// Pause pause player
+	Pause() error
+	// Unpause unpause player
+	Unpause() error
+	// SetVolume set volume
+	SetVolume(volume float64) error
+	// IsIdle return true if player is playing anything
+	IsIdle() bool
+	// Seek to position, if absolute is true, position is absolute time, otherwise position is relative time
+	Seek(position float64, absolute bool) error
+	// SetWindowHandle set window handle for video output
+	SetWindowHandle(handle uintptr) error
+	// ObserveProperty observe player property change
+	ObserveProperty(property model.PlayerProperty, name string, handler event.HandlerFunc) error
+	// GetAudioDeviceList get audio device list
+	GetAudioDeviceList() ([]model.AudioDevice, error)
+	// SetAudioDevice set audio device
+	SetAudioDevice(device string) error
+}