remove background blurring feature

REUSE.toml

@@ -34,9 +34,3 @@ path = "app/src/main/res/raw/next_voice_message_doodle.ogg"
 precedence = "aggregate"
 SPDX-FileCopyrightText = "2024 Paciosoft"
 SPDX-License-Identifier = "CC-BY-4.0"
-
-[[annotations]]
-path = "app/src/main/assets/selfie_segmenter.tflite"
-precedence = "aggregate"
-SPDX-FileCopyrightText = "2025 Google"
-SPDX-License-Identifier = "Apache-2.0"

app/build.gradle

@@ -16,7 +16,6 @@ plugins {
     id "org.jetbrains.kotlin.plugin.compose" version "2.3.0"
     id "org.jetbrains.kotlin.kapt"
     id 'com.google.devtools.ksp' version '2.3.4'
-    id "de.undercouch.download" version "5.6.0" // Download task and extension for retrieving files during a build
 }
 
 apply plugin: 'com.android.application'
@@ -369,10 +368,6 @@ dependencies {
     testImplementation("com.squareup.okhttp3:mockwebserver:$okhttpVersion")
     testImplementation("com.google.dagger:hilt-android-testing:2.57.2")
     testImplementation("org.robolectric:robolectric:4.16")
-
-    // Computer Vision - for background effects during video calls
-    implementation 'com.google.mediapipe:tasks-vision:0.10.26'
-    implementation 'org.opencv:opencv:4.12.0'
 }
 
 tasks.register('installGitHooks', Copy) {

app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt

@@ -74,9 +74,6 @@ import com.nextcloud.talk.call.ReactionAnimator
 import com.nextcloud.talk.call.components.ParticipantGrid
 import com.nextcloud.talk.call.components.SelfVideoView
 import com.nextcloud.talk.call.components.screenshare.ScreenShareComponent
-import com.nextcloud.talk.camera.BackgroundBlurFrameProcessor
-import com.nextcloud.talk.camera.BlurBackgroundViewModel
-import com.nextcloud.talk.camera.BlurBackgroundViewModel.BackgroundBlurOn
 import com.nextcloud.talk.chat.ChatActivity
 import com.nextcloud.talk.data.user.model.User
 import com.nextcloud.talk.databinding.CallActivityBinding
@@ -219,7 +216,6 @@ class CallActivity : CallBaseActivity() {
     var audioManager: WebRtcAudioManager? = null
     var callRecordingViewModel: CallRecordingViewModel? = null
     var raiseHandViewModel: RaiseHandViewModel? = null
-    val blurBackgroundViewModel: BlurBackgroundViewModel = BlurBackgroundViewModel()
     private var mReceiver: BroadcastReceiver? = null
     private var peerConnectionFactory: PeerConnectionFactory? = null
     private var screenSharePeerConnectionFactory: PeerConnectionFactory? = null
@@ -446,7 +442,6 @@ class CallActivity : CallBaseActivity() {
 
         initRaiseHandViewModel()
         initCallRecordingViewModel(intent.extras!!.getInt(KEY_RECORDING_STATE))
-        initBackgroundBlurViewModel()
 
         initClickListeners(isModerator, isOneToOneConversation)
         binding!!.microphoneButton.setOnTouchListener(MicrophoneButtonTouchListener())
@@ -539,26 +534,6 @@ class CallActivity : CallBaseActivity() {
         }
     }
 
-    private fun initBackgroundBlurViewModel() {
-        blurBackgroundViewModel.viewState.observe(this) { state ->
-            val frontFacing = isCameraFrontFacing(cameraEnumerator)
-            if (frontFacing == null) {
-                Log.e(TAG, "Camera not found")
-                return@observe
-            }
-
-            val isOn = state == BackgroundBlurOn
-
-            val processor = if (isOn) {
-                BackgroundBlurFrameProcessor(context)
-            } else {
-                null
-            }
-
-            videoSource?.setVideoProcessor(processor)
-        }
-    }
-
     private fun processExtras(extras: Bundle) {
         roomId = extras.getString(KEY_ROOM_ID, "")
         roomToken = extras.getString(KEY_ROOM_TOKEN, "")
@@ -1214,30 +1189,6 @@ class CallActivity : CallBaseActivity() {
         return null
     }
 
-    private fun isCameraFrontFacing(enumerator: CameraEnumerator?): Boolean? {
-        if (enumerator == null) {
-            return false
-        }
-
-        val deviceNames = enumerator.deviceNames
-
-        // First, try to find front facing camera
-        for (deviceName in deviceNames) {
-            if (enumerator.isFrontFacing(deviceName)) {
-                return true
-            }
-        }
-
-        // Front facing camera not found, try something else
-        for (deviceName in deviceNames) {
-            if (!enumerator.isFrontFacing(deviceName)) {
-                return false
-            }
-        }
-
-        return null
-    }
-
     fun onMicrophoneClick() {
         if (!canPublishAudioStream) {
             microphoneOn = false
@@ -1319,7 +1270,6 @@ class CallActivity : CallBaseActivity() {
                 binding!!.cameraButton.setImageResource(R.drawable.ic_videocam_white_24px)
             } else {
                 binding!!.cameraButton.setImageResource(R.drawable.ic_videocam_off_white_24px)
-                blurBackgroundViewModel.turnOffBlur()
             }
             toggleMedia(videoOn, true)
         } else if (shouldShowRequestPermissionRationale(Manifest.permission.CAMERA)) {
@@ -1396,10 +1346,6 @@ class CallActivity : CallBaseActivity() {
         raiseHandViewModel!!.clickHandButton()
     }
 
-    fun toggleBackgroundBlur() {
-        blurBackgroundViewModel.toggleBackgroundBlur()
-    }
-
     public override fun onDestroy() {
         if (signalingMessageReceiver != null) {
             signalingMessageReceiver!!.removeListener(localParticipantMessageListener)