虚拟背景日志修改

@@ -23,6 +23,7 @@ import android.widget.Button
 import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.ViewModelProvider
@@ -63,10 +64,14 @@ class MainActivity : AppCompatActivity() {
         }
 
         findViewById<Button>(R.id.buttonIncreaseBlur).setOnClickListener {
+            android.util.Log.e("MainActivity", "=== BLUR MORE BUTTON CLICKED ===")
             viewModel.increaseBlur()
+            Toast.makeText(this, "Blur increased", Toast.LENGTH_SHORT).show()
         }
         findViewById<Button>(R.id.buttonDecreaseBlur).setOnClickListener {
+            android.util.Log.e("MainActivity", "=== BLUR LESS BUTTON CLICKED ===")
             viewModel.decreaseBlur()
+            Toast.makeText(this, "Blur decreased", Toast.LENGTH_SHORT).show()
         }
 
         requestNeededPermissions {

@@ -59,7 +59,8 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
 
     private var blur = 16f
     private val processor = VirtualBackgroundVideoProcessor(eglBase, Dispatchers.IO, initialBlurRadius = blur).apply {
-        backgroundImage = virtualBackground
+        // 初始状态不设置背景图片，这样blur功能才能正常工作
+        // backgroundImage = virtualBackground
     }
 
     private var cameraProvider: CameraCapturerUtils.CameraProvider? = null
@@ -113,12 +114,14 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
     }
 
     fun decreaseBlur() {
-        blur -= 5
+        blur = maxOf(0f, blur - 5)  // 确保blur不会小于0
+        android.util.Log.e("MainViewModel", "=== DECREASING BLUR TO: $blur, processor enabled: ${processor.enabled} ===")
         processor.updateBlurRadius(blur)
     }
 
     fun increaseBlur() {
-        blur += 5
+        blur = minOf(50f, blur + 5)  // 限制最大blur为50，避免过度模糊
+        android.util.Log.e("MainViewModel", "=== INCREASING BLUR TO: $blur, processor enabled: ${processor.enabled} ===")
         processor.updateBlurRadius(blur)
     }
 

@@ -43,7 +43,7 @@
         android:layout_height="wrap_content"
         android:layout_gravity="end"
         android:layout_margin="10dp"
-        android:text="Blur more" />
+        android:text="BLUR MORE (FIXED)" />
 
     <Button
         android:id="@+id/buttonDecreaseBlur"

@@ -41,6 +41,10 @@ class VirtualBackgroundTransformer(
     var downSampleFactor: Int = 2,
 ) : RendererCommon.GlDrawer {
 
+    init {
+        android.util.Log.d("", "Created with initial blur radius: $blurRadius")
+    }
+
     data class MaskHolder(val width: Int, val height: Int, val buffer: ByteBuffer)
 
     private lateinit var compositeShader: CompositeShader
@@ -175,6 +179,7 @@ class VirtualBackgroundTransformer(
                 val downSampleHeight = frameHeight / downSampleFactor
 
                 val downSampledFrameTexture = downSampler.resample(oesTextureId, downSampleWidth, downSampleHeight, IDENTITY)
+                android.util.Log.d("", "Applying blur with radius: $blurRadius to ${downSampleWidth}x${downSampleHeight}")
                 backgroundTexture =
                     blurShader.applyBlur(downSampledFrameTexture, blurRadius, downSampleWidth, downSampleHeight, bgTextureFrameBuffers)
             }

@@ -243,6 +243,7 @@ class VirtualBackgroundVideoProcessor(
     }
 
     fun updateBlurRadius(blurRadius: Float) {
+        android.util.Log.d("VirtualBackgroundVideoProcessor", "Updating blur radius to: $blurRadius, enabled: $enabled")
         backgroundTransformer.blurRadius = blurRadius
     }
 

@@ -94,7 +94,7 @@ class MainActivity : ComponentActivity() {
     }
 
     private fun connectToRoom() {
-        val url = "wss://www.example.com"
+        val url = "https://livekittest-demo.xuedianyun.com/"
         val token = ""
 
         lifecycleScope.launch {