视频拖动预览封装成独立控件

视频拖动预览封装成独立控件

app/src/main/java/com/frank/ffmpeg/activity/VideoPreviewActivity.java

@@ -9,10 +9,9 @@ import android.view.Surface;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;
-import android.widget.SeekBar;
 
 import com.frank.ffmpeg.R;
-import com.frank.ffmpeg.hardware.HardwareDecode;
+import com.frank.ffmpeg.view.VideoPreviewBar;
 
 import java.io.IOException;
 
@@ -21,7 +20,7 @@ import java.io.IOException;
  * Created by frank on 2019/11/16.
  */
 
-public class VideoPreviewActivity extends BaseActivity implements HardwareDecode.OnDataCallback {
+public class VideoPreviewActivity extends BaseActivity implements VideoPreviewBar.PreviewBarCallback {
 
     private final static String TAG = VideoPreviewActivity.class.getSimpleName();
 
@@ -31,13 +30,8 @@ public class VideoPreviewActivity extends BaseActivity implements HardwareDecode
 //        videoPath = "https://www.apple.com/105/media/cn/mac/family/2018/46c4b917_abfd_45a3_9b51_4e3054191797" +
 //                "/films/bruce/mac-bruce-tpl-cn-2018_1280x720h.mp4";
 
-    private SeekBar previewBar;
-    private  HardwareDecode hardwareDecode;
-    private long duration;
-
     private MediaPlayer mediaPlayer;
-    private SurfaceView surfaceVideo;
+    private VideoPreviewBar videoPreviewBar;
-    private SurfaceView surfacePreView;
 
     @Override
     int getLayoutId() {
@@ -49,17 +43,13 @@ public class VideoPreviewActivity extends BaseActivity implements HardwareDecode
         super.onCreate(savedInstanceState);
 
         initView();
-        setListener();
     }
 
     private void initView() {
-        previewBar = getView(R.id.preview_bar);
+        SurfaceView surfaceVideo = getView(R.id.surface_view);
-
-        surfaceVideo = getView(R.id.surface_view);
         setPlayCallback(videoPath, surfaceVideo);
-
+        videoPreviewBar = getView(R.id.preview_video);
-        surfacePreView = getView(R.id.surface_preview);
+        videoPreviewBar.init(videoPath, this);
-        setPreviewCallback(videoPath, surfacePreView);
     }
 
     private void setPlayCallback(final String filePath, SurfaceView surfaceView) {
@@ -110,81 +100,22 @@ public class VideoPreviewActivity extends BaseActivity implements HardwareDecode
         }
     }
 
-    private void setPreviewCallback(final String filePath, SurfaceView surfaceView) {
-        surfaceView.getHolder().addCallback(new SurfaceHolder.Callback() {
-            @Override
-            public void surfaceCreated(SurfaceHolder holder) {
-                doPreview(filePath, holder.getSurface());
-            }
-
-            @Override
-            public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
-
-            }
-
-            @Override
-            public void surfaceDestroyed(SurfaceHolder holder) {
-
-            }
-        });
-    }
-
-    private void doPreview(String filePath, Surface surface) {
-        if (surface == null || TextUtils.isEmpty(filePath)) {
-            return;
-        }
-        releasePreviewer();
-        hardwareDecode = new HardwareDecode(surface, filePath, VideoPreviewActivity.this);
-        hardwareDecode.decode();
-    }
-
-    private void setListener() {
-        previewBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
-            @Override
-            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
-                if (!fromUser) {
-                    return;
-                }
-                previewBar.setProgress(progress);
-                if (hardwareDecode != null && progress < duration) {
-                    hardwareDecode.seekTo(progress);
-                }
-            }
-
-            @Override
-            public void onStartTrackingTouch(SeekBar seekBar) {
-
-            }
-
-            @Override
-            public void onStopTrackingTouch(SeekBar seekBar) {
-                //TODO
-                if (mediaPlayer != null) {
-                    Log.e(TAG, "onStop progress=" + seekBar.getProgress());
-                    mediaPlayer.seekTo(seekBar.getProgress()/1000);
-                }
-            }
-        });
-    }
-
     @Override
-    public void onData(long duration) {
+    void onViewClick(View view) {
-        Log.e(TAG,"duration=" + duration);
+
-        this.duration = duration;
-        previewBar.setMax((int) duration);
     }
 
     @Override
-    void onViewClick(View view) {
+    void onSelectedFile(String filePath) {
 
     }
 
     @Override
-    void onSelectedFile(String filePath) {
+    public void onStopTracking(long progress) {
-//        doPlay(filePath, surfaceVideo.getHolder().getSurface());
+        if (mediaPlayer != null) {
-//        doPreview(filePath, surfacePreView.getHolder().getSurface());
+            Log.e(TAG, "onStopTracking progress=" + progress);
-        setPlayCallback(filePath, surfaceVideo);
+            mediaPlayer.seekTo((int) (progress / 1000));
-        setPreviewCallback(filePath, surfacePreView);
+        }
     }
 
     private void releasePlayer() {
@@ -195,18 +126,13 @@ public class VideoPreviewActivity extends BaseActivity implements HardwareDecode
         }
     }
 
-    private void releasePreviewer() {
-        if (hardwareDecode != null) {
-            hardwareDecode.release();
-            hardwareDecode = null;
-        }
-    }
-
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        releasePreviewer();
         releasePlayer();
+        if (videoPreviewBar != null) {
+            videoPreviewBar.release();
+        }
     }
 
 }

app/src/main/java/com/frank/ffmpeg/view/VideoPreviewBar.java

@@ -0,0 +1,137 @@
+package com.frank.ffmpeg.view;
+
+import android.content.Context;
+import android.graphics.SurfaceTexture;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.Surface;
+import android.view.TextureView;
+import android.view.View;
+import android.widget.RelativeLayout;
+import android.widget.SeekBar;
+
+import com.frank.ffmpeg.R;
+import com.frank.ffmpeg.hardware.HardwareDecode;
+
+/**
+ * 视频拖动实时预览的控件
+ * Created by frank on 2019/11/16.
+ */
+
+public class VideoPreviewBar extends RelativeLayout implements HardwareDecode.OnDataCallback {
+
+    private final static String TAG = VideoPreviewBar.class.getSimpleName();
+
+    private TextureView texturePreView;
+
+    private SeekBar previewBar;
+
+    private HardwareDecode hardwareDecode;
+
+    private long duration;
+
+    private PreviewBarCallback mPreviewBarCallback;
+
+    public VideoPreviewBar(Context context) {
+        super(context);
+        initView(context);
+    }
+
+    public VideoPreviewBar(Context context, AttributeSet attributeSet) {
+        super(context, attributeSet);
+        initView(context);
+    }
+
+    private void initView(Context context) {
+        View view = LayoutInflater.from(context).inflate(R.layout.preview_video, this);
+        previewBar = view.findViewById(R.id.preview_bar);
+        texturePreView = view.findViewById(R.id.texture_preview);
+        setListener();
+    }
+
+    private void setPreviewCallback(final String filePath, TextureView texturePreView) {
+        texturePreView.setSurfaceTextureListener(new TextureView.SurfaceTextureListener() {
+            @Override
+            public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
+                doPreview(filePath, new Surface(surface));
+            }
+
+            @Override
+            public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
+
+            }
+
+            @Override
+            public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
+                return false;
+            }
+
+            @Override
+            public void onSurfaceTextureUpdated(SurfaceTexture surface) {
+
+            }
+        });
+    }
+
+    private void doPreview(String filePath, Surface surface) {
+        if (surface == null || TextUtils.isEmpty(filePath)) {
+            return;
+        }
+        release();
+        hardwareDecode = new HardwareDecode(surface, filePath, this);
+        hardwareDecode.decode();
+    }
+
+    private void setListener() {
+        previewBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                if (!fromUser) {
+                    return;
+                }
+                previewBar.setProgress(progress);
+                if (hardwareDecode != null && progress < duration) {
+                    hardwareDecode.seekTo(progress);
+                }
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+                if (mPreviewBarCallback != null) {
+                    mPreviewBarCallback.onStopTracking(seekBar.getProgress());
+                }
+            }
+        });
+    }
+
+    @Override
+    public void onData(long duration) {
+        Log.i(TAG, "duration=" + duration);
+        this.duration = duration;
+        previewBar.setMax((int) duration);
+    }
+
+    public void init(String videoPath, PreviewBarCallback previewBarCallback) {
+        this.mPreviewBarCallback = previewBarCallback;
+        setPreviewCallback(videoPath, texturePreView);
+    }
+
+    public void release() {
+        if (hardwareDecode != null) {
+            hardwareDecode.release();
+            hardwareDecode = null;
+        }
+    }
+
+    public interface PreviewBarCallback {
+        void onStopTracking(long progress);
+    }
+
+}

app/src/main/res/layout/activity_preview.xml

@@ -5,27 +5,17 @@
     android:layout_height="match_parent"
     tools:context=".activity.VideoPreviewActivity">
 
-    <SurfaceView
-        android:id="@+id/surface_preview"
-        android:layout_width="64dp"
-        android:layout_height="48dp"
-        android:layout_centerInParent="true"
-        android:layout_marginBottom="50dp"
-        android:layout_marginEnd="50dp" />
-
     <SurfaceView
         android:id="@+id/surface_view"
         android:layout_width="320dp"
         android:layout_height="240dp"
         android:layout_centerInParent="true"/>
 
-    <SeekBar
+    <com.frank.ffmpeg.view.VideoPreviewBar
-        android:id="@+id/preview_bar"
+        android:id="@+id/preview_video"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginStart="20dp"
+        android:layout_alignParentBottom="true"
-        android:layout_marginEnd="20dp"
+        android:layout_marginBottom="30dp"/>
-        android:layout_marginBottom="40dp"
-        android:layout_alignParentBottom="true"/>
 
 </RelativeLayout>

app/src/main/res/layout/preview_video.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent" android:layout_height="match_parent">
+
+    <SeekBar
+        android:id="@+id/preview_bar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="20dp"
+        android:layout_marginEnd="20dp"
+        android:layout_marginBottom="40dp"
+        android:layout_alignParentBottom="true"/>
+
+    <TextureView
+        android:id="@+id/texture_preview"
+        android:layout_width="80dp"
+        android:layout_height="60dp"
+        android:layout_above="@+id/preview_bar"
+        android:layout_marginBottom="20dp"
+        android:layout_marginStart="10dp"
+        android:layout_marginEnd="10dp" />
+
+</RelativeLayout>