feat: add noise suppress and voice enhance

N-setting -> Chat -> Noise Suppress And Voice Enhance

TMessagesProj/src/main/java/org/telegram/messenger/MediaController.java

@@ -100,9 +100,10 @@ import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.CountDownLatch;
 
-import tw.nekomimi.nekogram.SaveToDownloadReceiver;
 import tw.nekomimi.nekogram.NekoConfig;
 import tw.nekomimi.nekogram.NekoXConfig;
+import tw.nekomimi.nekogram.SaveToDownloadReceiver;
+import xyz.nextalone.nagram.helper.AudioEnhance;
 
 public class MediaController implements AudioManager.OnAudioFocusChangeListener, NotificationCenter.NotificationCenterDelegate, SensorEventListener {
 
@@ -3505,6 +3506,7 @@ public class MediaController implements AudioManager.OnAudioFocusChangeListener,
                 recordReplyingMsg = replyToMsg;
                 recordReplyingTopMsg = replyToTopMsg;
                 fileBuffer.rewind();
+                AudioEnhance.INSTANCE.initVoiceEnhance(audioRecorder);
 
                 audioRecorder.startRecording();
             } catch (Exception e) {
@@ -3514,6 +3516,7 @@ public class MediaController implements AudioManager.OnAudioFocusChangeListener,
                 recordingAudioFile.delete();
                 recordingAudioFile = null;
                 try {
+                    AudioEnhance.INSTANCE.releaseVoiceEnhance();
                     audioRecorder.release();
                     audioRecorder = null;
                 } catch (Exception e2) {
@@ -3607,6 +3610,7 @@ public class MediaController implements AudioManager.OnAudioFocusChangeListener,
             requestAudioFocus(false);
         }
         try {
+            AudioEnhance.INSTANCE.releaseVoiceEnhance();
             if (audioRecorder != null) {
                 audioRecorder.release();
                 audioRecorder = null;

TMessagesProj/src/main/java/tw/nekomimi/nekogram/settings/NekoChatSettingsActivity.java

@@ -119,6 +119,7 @@ public class NekoChatSettingsActivity extends BaseFragment implements Notificati
             LocaleController.getString("combineMessageEnabled", R.string.CombineMessageEnabled),
             LocaleController.getString("combineMessageDisabled", R.string.CombineMessageDisabled)
     }, null));
+    private final AbstractConfigCell audioEnhanceRow = cellGroup.appendCell(new ConfigCellTextCheck(NaConfig.INSTANCE.getNoiseSuppressAndVoiceEnhance()));
     private final AbstractConfigCell divider1 = cellGroup.appendCell(new ConfigCellDivider());
     private final AbstractConfigCell header2 = cellGroup.appendCell(new ConfigCellHeader(LocaleController.getString("AutoDownload")));
     private final AbstractConfigCell win32Row = cellGroup.appendCell(new ConfigCellTextCheck(NekoConfig.disableAutoDownloadingWin32Executable));

TMessagesProj/src/main/kotlin/xyz/nextalone/nagram/NaConfig.kt

@@ -109,6 +109,12 @@ object NaConfig {
             ConfigItem.configTypeBool,
             false
         )
+    val noiseSuppressAndVoiceEnhance =
+        addConfig(
+            "NoiseSuppressAndVoiceEnhance",
+            ConfigItem.configTypeBool,
+            false
+        )
 
     fun addConfig(
         k: String,

TMessagesProj/src/main/kotlin/xyz/nextalone/nagram/helper/AudioEnhance.kt

@@ -0,0 +1,68 @@
+package xyz.nextalone.nagram.helper
+
+import android.media.AudioRecord
+import android.media.audiofx.AcousticEchoCanceler
+import android.media.audiofx.AutomaticGainControl
+import android.media.audiofx.NoiseSuppressor
+import xyz.nextalone.nagram.NaConfig
+
+object AudioEnhance {
+    var automaticGainControl: AutomaticGainControl? =
+        null
+    var acousticEchoCanceler: AcousticEchoCanceler? =
+        null
+    var noiseSuppressor: NoiseSuppressor? =
+        null
+
+    fun initVoiceEnhance(
+        audioRecord: AudioRecord
+    ) {
+        if (!NaConfig.noiseSuppressAndVoiceEnhance.Bool()) return
+        if (AutomaticGainControl.isAvailable()) {
+            automaticGainControl =
+                AutomaticGainControl.create(
+                    audioRecord.audioSessionId
+                )
+            automaticGainControl?.enabled =
+                true
+        }
+        if (AcousticEchoCanceler.isAvailable()) {
+            acousticEchoCanceler =
+                AcousticEchoCanceler.create(
+                    audioRecord.audioSessionId
+                )
+            acousticEchoCanceler?.enabled =
+                true
+        }
+        if (NoiseSuppressor.isAvailable()) {
+            noiseSuppressor =
+                NoiseSuppressor.create(
+                    audioRecord.audioSessionId
+                )
+            noiseSuppressor?.enabled =
+                true
+        }
+    }
+
+    fun releaseVoiceEnhance() {
+        if (automaticGainControl != null) {
+            automaticGainControl?.release()
+            automaticGainControl =
+                null
+        }
+        if (acousticEchoCanceler != null) {
+            acousticEchoCanceler?.release()
+            acousticEchoCanceler =
+                null
+        }
+        if (noiseSuppressor != null) {
+            noiseSuppressor?.release()
+            noiseSuppressor =
+                null
+        }
+    }
+
+    fun isAvailable(): Boolean {
+        return AutomaticGainControl.isAvailable() || NoiseSuppressor.isAvailable() || AcousticEchoCanceler.isAvailable()
+    }
+}

TMessagesProj/src/main/res/values-zh-rCN/strings_na.xml

@@ -13,4 +13,5 @@
     <string name="TextUndoRedo">撤销/重做</string>
     <string name="TextUndo">撤销</string>
     <string name="TextRedo">重做</string>
+    <string name="NoiseSuppressAndVoiceEnhance">噪音抑制和语音增强</string>
 </resources>

TMessagesProj/src/main/res/values/strings_na.xml

@@ -13,4 +13,5 @@
     <string name="TextUndoRedo">Undo/Redo</string>
     <string name="TextUndo">Undo</string>
     <string name="TextRedo">Redo</string>
+    <string name="NoiseSuppressAndVoiceEnhance">Noise Suppress And Voice Enhance</string>
 </resources>