Release for v3.0.1

QNDroidRTCDemo/app/build.gradle

@@ -6,8 +6,8 @@ android {
         applicationId "com.qiniu.droid.rtc.demo"
         minSdkVersion 18
         targetSdkVersion 28
-        versionCode 29
-        versionName "3.0.0"
+        versionCode 30
+        versionName "3.0.1"
         buildConfigField "long", "BUILD_TIMESTAMP", System.currentTimeMillis() + "L"
     }
 
@@ -36,7 +36,7 @@ dependencies {
     implementation 'de.greenrobot:eventbus:2.4.0'
     implementation 'com.android.support:recyclerview-v7:28.0.0'
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
-    implementation 'com.qiniu:happy-dns:0.2.16'
+    implementation 'com.qiniu:happy-dns:0.2.17'
 
     // QNDroidRTCLibrary
     if (buildWithQNDroidRTCLibrary) {

QNDroidRTCDemo/app/src/main/java/com/qiniu/droid/rtc/demo/RTCApplication.java

@@ -18,6 +18,6 @@ public void onCreate() {
         QNRTCEnv.init(getApplicationContext());
         QNRTCEnv.setLogFileEnabled(true);
         // 设置自定义 DNS manager，不设置则使用 SDK 默认 DNS 服务
-        QNRTCEnv.setDnsManager(Utils.getDefaultDnsManager(getApplicationContext()));
+        new Thread(() -> QNRTCEnv.setDnsManager(Utils.getDefaultDnsManager(getApplicationContext()))).start();
     }
 }

QNDroidRTCDemo/app/src/main/java/com/qiniu/droid/rtc/demo/activity/RoomActivity.java

@@ -29,12 +29,13 @@
 
 import com.qiniu.droid.rtc.QNBeautySetting;
 import com.qiniu.droid.rtc.QNCameraSwitchResultCallback;
+import com.qiniu.droid.rtc.QNCaptureVideoCallback;
 import com.qiniu.droid.rtc.QNCustomMessage;
 import com.qiniu.droid.rtc.QNErrorCode;
+import com.qiniu.droid.rtc.QNLocalAudioPacketCallback;
 import com.qiniu.droid.rtc.QNRTCEngine;
 import com.qiniu.droid.rtc.QNRTCEngineEventListener;
 import com.qiniu.droid.rtc.QNRTCSetting;
-import com.qiniu.droid.rtc.QNLocalAudioPacketCallback;
 import com.qiniu.droid.rtc.QNRemoteAudioPacketCallback;
 import com.qiniu.droid.rtc.QNRoomState;
 import com.qiniu.droid.rtc.QNSourceType;
@@ -61,12 +62,16 @@
 import com.qiniu.droid.rtc.model.QNMergeJob;
 import com.qiniu.droid.rtc.model.QNMergeTrackOption;
 
+import org.webrtc.VideoFrame;
+
+import java.util.concurrent.Semaphore;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 import static com.qiniu.droid.rtc.demo.utils.Config.DEFAULT_BITRATE;
 import static com.qiniu.droid.rtc.demo.utils.Config.DEFAULT_FPS;
@@ -173,6 +178,8 @@ public class RoomActivity extends Activity implements QNRTCEngineEventListener,
      */
     private int mSerialNum = 0;
 
+    private Semaphore mCaptureStoppedSem = new Semaphore(1);
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -259,13 +266,25 @@ public boolean onLongClick(View v) {
     protected void onResume() {
         super.onResume();
         // 开始视频采集
-        mEngine.startCapture();
+        startCaptureAfterAcquire();
         if (!mIsJoinedRoom) {
             // 加入房间
             mEngine.joinRoom(mRoomToken);
         }
     }
 
+    private void startCaptureAfterAcquire() {
+        boolean acquired = false;
+        try {
+            acquired = mCaptureStoppedSem.tryAcquire(2000, TimeUnit.MILLISECONDS);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        if (acquired) {
+            mEngine.startCapture();
+        }
+    }
+
     @Override
     protected void onPause() {
         super.onPause();
@@ -335,6 +354,28 @@ private void initQNRTCEngine() {
                 .setVideoEncodeFormat(format)
                 .setVideoPreviewFormat(format);
         mEngine = QNRTCEngine.createEngine(getApplicationContext(), setting, this);
+        mEngine.setCaptureVideoCallBack(new QNCaptureVideoCallback() {
+            @Override
+            public void onCaptureStarted() {
+
+            }
+
+            @Override
+            public void onRenderingFrame(VideoFrame.TextureBuffer texBuf, long timestampNs) {
+
+            }
+
+            @Override
+            public void onPreviewFrame(byte[] data, int width, int height, int rotation, int fmt, long timestampNs) {
+
+            }
+
+            @Override
+            public void onCaptureStopped() {
+                mCaptureStoppedSem.drainPermits();
+                mCaptureStoppedSem.release();
+            }
+        });
     }
 
     /**

QNDroidRTCDemo/app/src/main/java/com/qiniu/droid/rtc/demo/model/RTCTrackMergeOption.java

@@ -1,8 +1,10 @@
 package com.qiniu.droid.rtc.demo.model;
 
 import com.qiniu.droid.rtc.QNTrackInfo;
+import com.qiniu.droid.rtc.QNTrackKind;
 import com.qiniu.droid.rtc.demo.utils.QNAppServer;
 import com.qiniu.droid.rtc.model.QNMergeTrackOption;
+import com.qiniu.droid.rtc.model.QNStretchMode;
 
 public class RTCTrackMergeOption {
 
@@ -12,13 +14,16 @@ public class RTCTrackMergeOption {
     private boolean mTrackInclude = true;
     private final QNMergeTrackOption mQNMergeTrackOption;
 
-    public RTCTrackMergeOption(QNTrackInfo QNTrackInfo) {
-        mQNTrackInfo = QNTrackInfo;
+    public RTCTrackMergeOption(QNTrackInfo trackInfo) {
+        mQNTrackInfo = trackInfo;
         mTrackId = mQNTrackInfo.getTrackId();
 
         mQNMergeTrackOption = new QNMergeTrackOption();
-        mQNMergeTrackOption.setWidth(QNAppServer.STREAMING_WIDTH);
-        mQNMergeTrackOption.setHeight(QNAppServer.STREAMING_HEIGHT);
+        if (trackInfo.getTrackKind().equals(QNTrackKind.VIDEO)) {
+            mQNMergeTrackOption.setWidth(QNAppServer.STREAMING_WIDTH);
+            mQNMergeTrackOption.setHeight(QNAppServer.STREAMING_HEIGHT);
+            mQNMergeTrackOption.setStretchMode(QNStretchMode.ASPECT_FILL);
+        }
         mQNMergeTrackOption.setTrackId(mTrackId);
     }
 

QNDroidRTCDemo/app/src/main/java/com/qiniu/droid/rtc/demo/utils/Utils.java

@@ -37,6 +37,14 @@ public static void showAlertDialog(Context context, String message) {
                 .show();
     }
 
+    /**
+     * 创建自定义 dns manager
+     *
+     * 注意：该方法需要在子线程中调用，否则可能会抛异常
+     *
+     * @param context 上下文
+     * @return dns manager
+     */
     public static DnsManager getDefaultDnsManager(Context context) {
         IResolver r0 = null;
         try {