From 1f06f73dc8cce4df10803e0c88b54d9ea22ce1f4 Mon Sep 17 00:00:00 2001
From: lingxiaopua <1083514716@qq.com>
Date: Sat, 30 Mar 2019 22:41:15 +0800
Subject: [PATCH 1/2] update use system camera example with androidx

---
 app/src/main/AndroidManifest.xml              | 12 +++++++++++
 .../com/camera/lingxiao/camerademo/App.java   |  2 +-
 .../lingxiao/camerademo/SplashActivity.java   |  5 ++++-
 app/src/main/res/layout/activity_splash.xml   | 20 +++++++++++++++++--
 .../res/layout/activity_system_camera.xml     |  2 +-
 .../media/lingxiao/harddecoder/Server.java    |  8 ++++++--
 .../harddecoder/decoder/AudioDecoder.java     | 11 +---------
 .../harddecoder/decoder/H264Decoder.java      | 14 +++----------
 .../lingxiao/harddecoder/tlv/TLVDecoder.java  |  2 +-
 9 files changed, 47 insertions(+), 29 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index db3e080..fb154c1 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -37,6 +37,18 @@
         <activity android:name=".audio.AudioActivity" />
         <activity android:name=".BaseActivity" />
         <activity android:name=".video.VideoListActivity"></activity>
+        <activity android:name=".SystemCameraActivity"></activity>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileProvider"
+            android:grantUriPermissions="true"
+            android:exported="false">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/camera/lingxiao/camerademo/App.java b/app/src/main/java/com/camera/lingxiao/camerademo/App.java
index 837c20d..62a1ed0 100644
--- a/app/src/main/java/com/camera/lingxiao/camerademo/App.java
+++ b/app/src/main/java/com/camera/lingxiao/camerademo/App.java
@@ -12,6 +12,6 @@ public class App extends Application{
     @Override
     public void onCreate() {
         super.onCreate();
-        //CrashHandler.getInstance().init(this,true);
+        CrashHandler.getInstance().init(this,true);
     }
 }
diff --git a/app/src/main/java/com/camera/lingxiao/camerademo/SplashActivity.java b/app/src/main/java/com/camera/lingxiao/camerademo/SplashActivity.java
index 6aec329..dcf594a 100644
--- a/app/src/main/java/com/camera/lingxiao/camerademo/SplashActivity.java
+++ b/app/src/main/java/com/camera/lingxiao/camerademo/SplashActivity.java
@@ -48,7 +48,7 @@ protected void initWidget() {
         methodRequiresTwoPermission();
     }
 
-    @OnClick({R.id.button_extractor,R.id.button_camera,R.id.button_audio})
+    @OnClick({R.id.button_extractor,R.id.button_camera,R.id.button_audio,R.id.button_system_camera})
     public void onClick(View v) {
         switch (v.getId()) {
             default:
@@ -62,6 +62,9 @@ public void onClick(View v) {
             case R.id.button_audio:
                 startActivity(new Intent(getApplicationContext(), AudioActivity.class));
                 break;
+            case R.id.button_system_camera:
+                startActivity(new Intent(getApplicationContext(), SystemCameraActivity.class));
+                break;
         }
     }
 
diff --git a/app/src/main/res/layout/activity_splash.xml b/app/src/main/res/layout/activity_splash.xml
index 58d5b3e..659be54 100644
--- a/app/src/main/res/layout/activity_splash.xml
+++ b/app/src/main/res/layout/activity_splash.xml
@@ -44,10 +44,10 @@
         android:id="@+id/button_audio"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
-        android:layout_marginEnd="8dp"
         android:layout_marginStart="8dp"
         android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginBottom="8dp"
         android:text="音频采集"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
@@ -70,4 +70,20 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/button_extractor"
         app:layout_constraintVertical_bias="0.0" />
+
+    <Button
+        android:id="@+id/button_system_camera"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginBottom="8dp"
+        android:text="调用系统相机"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/button_player"
+        app:layout_constraintVertical_bias="0.0" />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_system_camera.xml b/app/src/main/res/layout/activity_system_camera.xml
index 9899a3d..6ea1679 100644
--- a/app/src/main/res/layout/activity_system_camera.xml
+++ b/app/src/main/res/layout/activity_system_camera.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".SystemCameraActivity">
+    >
 
     <ImageView
         android:id="@+id/imageView"
diff --git a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/Server.java b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/Server.java
index 36d843d..4b6214a 100644
--- a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/Server.java
+++ b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/Server.java
@@ -31,7 +31,9 @@ public class Server{
 
     public Server() {
         acceptor = new NioSocketAcceptor();
+        //消息的处理交给handler
         acceptor.setHandler(new StreamHandler());
+        //获取所有的拦截器之后添加一个新的拦截器 ProtocolCodecFilter 用于二进制和对象之间的转化
         acceptor.getFilterChain().addLast("tlv",
                 new ProtocolCodecFilter(new TLVCodecFactory()));
     }
@@ -47,9 +49,11 @@ public boolean start(int port, ServerConfig _config) {
         this.config = _config;
         if(config.heartBeatInterval > 0) {
             // 发送空闲需要加心跳
-            acceptor.getSessionConfig().setIdleTime(IdleStatus.WRITER_IDLE, config.heartBeatInterval);
+            //acceptor.getSessionConfig().setIdleTime(IdleStatus.WRITER_IDLE, config.heartBeatInterval);
             // 接收空闲判断连接是否已断开了
-            acceptor.getSessionConfig().setIdleTime(IdleStatus.READER_IDLE, config.heartBeatInterval);
+            //acceptor.getSessionConfig().setIdleTime(IdleStatus.READER_IDLE, config.heartBeatInterval);
+            //等同于上面两个，等5秒进入空闲状态  handler的sessionIdle会收到消息
+            acceptor.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE,config.heartBeatInterval);
         }
 
         try {
diff --git a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/AudioDecoder.java b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/AudioDecoder.java
index 786575c..518eb25 100644
--- a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/AudioDecoder.java
+++ b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/AudioDecoder.java
@@ -208,7 +208,6 @@ public void run() {
                     audioExtractor.setDataSource(MPEG_4_Path);
                     AudioTrack audioTrack = null;
                     int audioExtractorTrackIndex = -1; //提供音频的音频轨
-                    int audioMaxInputSize = 0; //能获取的音频的最大值
                     //多媒体流中video轨和audio轨的总个数
                     for (int i = 0; i < audioExtractor.getTrackCount(); i++) {
                         MediaFormat format = audioExtractor.getTrackFormat(i);
@@ -221,10 +220,6 @@ public void run() {
                             int minBufferSize = AudioTrack.getMinBufferSize(audioSampleRate,
                                     (audioChannels == 1 ? AudioFormat.CHANNEL_OUT_MONO : AudioFormat.CHANNEL_OUT_STEREO),
                                     AudioFormat.ENCODING_PCM_16BIT);
-                            //int maxInputSize = format.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
-                            //audioMaxInputSize = minBufferSize > 0 ? minBufferSize * 4 : maxInputSize;
-                            //int frameSizeInBytes = audioChannels * 2;
-                            //audioMaxInputSize = (audioMaxInputSize / frameSizeInBytes) * frameSizeInBytes;
                             audioTrack = new AudioTrack(AudioManager.STREAM_MUSIC,
                                     audioSampleRate,
                                     (audioChannels == 1 ? AudioFormat.CHANNEL_OUT_MONO : AudioFormat.CHANNEL_OUT_STEREO),
@@ -235,17 +230,13 @@ public void run() {
                             try {
                                 mCodec = MediaCodec.createDecoderByType(mime);
                                 mCodec.configure(format, null, null, 0);
+                                mCodec.start();
                             } catch (IOException e) {
                                 e.printStackTrace();
                             }
                             break;
                         }
                     }
-                    if (mCodec == null) {
-                        Log.d(TAG, "audio decoder is unexpectedly null");
-                        return;
-                    }
-                    mCodec.start();
 
                     MediaCodec.BufferInfo audioBufferInfo = new MediaCodec.BufferInfo();
                     ByteBuffer[] inputBuffers = mCodec.getInputBuffers();
diff --git a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/H264Decoder.java b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/H264Decoder.java
index 3f9da8c..a3f9121 100644
--- a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/H264Decoder.java
+++ b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/decoder/H264Decoder.java
@@ -228,7 +228,6 @@ public void run() {
                 try {
                     MediaExtractor videoExtractor = new MediaExtractor(); //MediaExtractor作用是将音频和视频的数据进行分离
                     videoExtractor.setDataSource(MPEG_4_Path);
-
                     int videoTrackIndex = -1; //提供音频的音频轨
                     //多媒体流中video轨和audio轨的总个数
                     for (int i = 0; i < videoExtractor.getTrackCount(); i++) {
@@ -243,6 +242,7 @@ public void run() {
                             try {
                                 mCodec = MediaCodec.createDecoderByType(mime);
                                 mCodec.configure(format, mSurface, null, 0);
+                                mCodec.start();
                                 if (mVideoCallBack != null){
                                     mVideoCallBack.onGetVideoInfo(width,height,time);
                                 }
@@ -252,16 +252,10 @@ public void run() {
                             break;
                         }
                     }
-                    if (mCodec == null) {
-                        Log.d(TAG, "video decoder is unexpectedly null");
-                        return;
-                    }
-                    mCodec.start();
 
                     MediaCodec.BufferInfo videoBufferInfo = new MediaCodec.BufferInfo();
                     long startTimeStamp = System.currentTimeMillis(); //记录开始解码的时间
                     while (isDecoding){
-                        // 暂停
                         if (isPause) {
                             continue;
                         }
@@ -311,14 +305,12 @@ public void run() {
      * @param startMillis
      */
     private void decodeDelay(MediaCodec.BufferInfo bufferInfo, long startMillis) {
-        while (bufferInfo.presentationTimeUs / 1000 > System.currentTimeMillis() - startMillis) {
+        long current = bufferInfo.presentationTimeUs / 1000 - (System.currentTimeMillis() - startMillis);
+        if (current > 0) {
             try {
-                long current = bufferInfo.presentationTimeUs / 1000 - (System.currentTimeMillis() - startMillis);
-                //Log.d(TAG, "decodeDelay: " + current + "ms");
                 Thread.sleep(current);
             } catch (InterruptedException e) {
                 e.printStackTrace();
-                break;
             }
         }
     }
diff --git a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/tlv/TLVDecoder.java b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/tlv/TLVDecoder.java
index a3751ba..3ff23e2 100644
--- a/harddecoder/src/main/java/com/media/lingxiao/harddecoder/tlv/TLVDecoder.java
+++ b/harddecoder/src/main/java/com/media/lingxiao/harddecoder/tlv/TLVDecoder.java
@@ -14,7 +14,7 @@
 public final class TLVDecoder extends CumulativeProtocolDecoder {
     @Override
     protected boolean doDecode(IoSession session, IoBuffer in, ProtocolDecoderOutput out) throws Exception {
-        if (in.remaining() >= 8) { // 前8字节是包头+长度
+        if (in.remaining() >= 8) { // 前8字节是包头+长度 两个都是int 所以是8
             // 标记当前position的快照标记mark，以便后继的reset操作能恢复position位置
             in.mark();
 

From 8ab77abb6d63dd84f2ba27df0819672fc01b502f Mon Sep 17 00:00:00 2001
From: lingxiaopua <1083514716@qq.com>
Date: Sat, 30 Mar 2019 22:47:15 +0800
Subject: [PATCH 2/2] update use system camera example with androidx

---
 .../camera/lingxiao/camerademo/SystemCameraActivity.java   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/camera/lingxiao/camerademo/SystemCameraActivity.java b/app/src/main/java/com/camera/lingxiao/camerademo/SystemCameraActivity.java
index ca86b42..5d4009a 100644
--- a/app/src/main/java/com/camera/lingxiao/camerademo/SystemCameraActivity.java
+++ b/app/src/main/java/com/camera/lingxiao/camerademo/SystemCameraActivity.java
@@ -2,6 +2,7 @@
 
 import android.app.Activity;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
@@ -59,7 +60,8 @@ public void onClick(View v) {
                 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {  //如果是7.0以上，使用FileProvider，否则会报错
                     intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
-                    Uri imgUri = FileProvider.getUriForFile(getApplicationContext(), "com.camera.lingxiao.camerademo.fileProvider", it);
+                    String authority = getApplicationInfo().packageName + ".fileProvider";
+                    Uri imgUri = FileProvider.getUriForFile(getApplicationContext(), authority, it);
                     intent.putExtra(MediaStore.EXTRA_OUTPUT, imgUri); //设置拍照后图片保存的位置
                 } else {
                     intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(it)); //设置拍照后图片保存的位置
@@ -77,8 +79,9 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (resultCode == Activity.RESULT_OK) {
             if (requestCode == 200) {
                 Toast.makeText(this, "拍照成功", Toast.LENGTH_SHORT).show();
+                String authority = getApplicationInfo().packageName + ".fileProvider";
                 Uri imgUri = FileProvider.getUriForFile(getApplicationContext(),
-                        "com.camera.lingxiao.camerademo.fileProvider", it);
+                        authority, it);
                 gotoCrop(imgUri);
             } else if (requestCode == 201) {
                 Bitmap bitmap = BitmapFactory.decodeFile(it.getAbsolutePath());