添加变调接口，女声变男声可以设置pitch为-6

Change-Id: Ia5a03d39abffb9462014b6e235491bdf23c8dc88

Author: SundoggyNew

sdk/video-link-android/build.gradle

@@ -36,6 +36,7 @@ android {
 }
 
 dependencies {
+    api fileTree(include: ['*.jar', '*.aar'], dir: 'libs')
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.2.1'
     testImplementation 'junit:junit:4.+'

sdk/video-link-android/libs/android_soundtouch-release.aar

@@ -7,6 +7,7 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import com.iot.soundtouch.interfaces.SoundTouch;
 import com.tencent.iot.thirdparty.flv.FLVListener;
 import com.tencent.iot.thirdparty.flv.FLVPacker;
 import com.tencent.xnet.XP2P;
@@ -35,12 +36,15 @@ public class AudioRecordUtil implements EncoderListener, FLVListener {
     private int channel;
     private int bitDepth;
     private int channelCount; //声道数
+    private int pitch; //变调【-12~12】
 
     private boolean isRecord = false;
     private final ExecutorService executor = Executors.newSingleThreadExecutor();
     private String speakFlvFilePath = "/storage/emulated/0/speak.flv";
     private FileOutputStream fos;
 
+    private SoundTouch st;
+
     public AudioRecordUtil(Context ctx, String id, int sampleRate) {
         context = ctx;
         deviceId = id;
@@ -51,6 +55,16 @@ public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int
         deviceId = id;
         init(sampleRate, channel, bitDepth);
     }
+    public AudioRecordUtil(Context ctx, String id, int sampleRate, int channel, int bitDepth, int pitch) {
+        context = ctx;
+        deviceId = id;
+        this.pitch = pitch;
+        init(sampleRate, channel, bitDepth);
+
+        if (st == null) {
+            st = new SoundTouch(0,channelCount,sampleRate,bitDepth,1.0f, pitch);
+        }
+    }
 
     private void init(int sampleRate, int channel, int bitDepth) {
         recordMinBufferSize = AudioRecord.getMinBufferSize(sampleRate, channel, bitDepth);
@@ -111,6 +125,13 @@ public void stop() {
         if (audioRecord != null) {
             audioRecord.stop();
         }
+
+        if (st != null) {
+            st.finish();
+            st.clearBuffer(0);
+            st = null;
+        }
+
         executor.shutdown();
         audioRecord = null;
         pcmEncoder = null;
@@ -152,6 +173,10 @@ private class RecordThread extends Thread {
         public void run() {
             while (recorderState) {
                 int read = audioRecord.read(buffer, 0, buffer.length);
+                if (st != null) {
+                    st.putBytes(buffer);
+                    int bytesReceived = st.getBytes(buffer);
+                }
                 if (AudioRecord.ERROR_INVALID_OPERATION != read) {
                     //获取到的pcm数据就是buffer了
                     pcmEncoder.encodeData(buffer);

sdk/video-link-android/src/main/java/com/tencent/iot/video/link/util/audio/AudioRecordUtil.java

@@ -6,6 +6,7 @@ import android.content.Context
 import android.content.Intent
 import android.content.pm.ActivityInfo
 import android.graphics.SurfaceTexture
+import android.media.AudioFormat
 import android.media.AudioManager
 import android.os.Bundle
 import android.os.Handler
@@ -137,6 +138,8 @@ class VideoPreviewActivity : VideoBaseActivity(), EventView, TextureView.Surface
             tv_event_status.visibility = View.VISIBLE
             tv_event_status.setText(R.string.loading)
             audioRecordUtil = AudioRecordUtil(this, "${it.productId}/${presenter.getDeviceName()}", 16000)
+//            //变调可以传入pitch参数
+//            audioRecordUtil = AudioRecordUtil(this, "${it.productId}/${presenter.getDeviceName()}", 16000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, -6)
             audioRecordUtil.recordSpeakFlv(true)
         }