源代码备份

AppFrame/src/main/java/com/arialyy/frame/util/MediaUtil.java

@@ -0,0 +1,83 @@
+package com.arialyy.frame.util;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.media.MediaMetadataRetriever;
+import android.media.MediaPlayer;
+import android.net.Uri;
+import java.io.IOException;
+import java.util.Formatter;
+import java.util.Locale;
+
+/**
+ * Created by Aria.Lao on 2018/1/4.
+ * 多媒体工具
+ */
+public class MediaUtil {
+  private MediaUtil() {
+    throw new AssertionError();
+  }
+
+  /**
+   * 获取音频、视频播放长度
+   */
+  public static long getDuration(String path) {
+    MediaPlayer mediaPlayer = new MediaPlayer();
+    try {
+      mediaPlayer.setDataSource(path);
+    } catch (IOException e) {
+      e.printStackTrace();
+      return -1;
+    }
+    int duration = mediaPlayer.getDuration();
+    mediaPlayer.release();
+    return duration;
+  }
+
+  /**
+   * 格式化视频时间
+   */
+  public static String convertViewTime(long timeMs) {
+    int totalSeconds = (int) (timeMs / 1000);
+
+    int seconds = totalSeconds % 60;
+    int minutes = (totalSeconds / 60) % 60;
+    int hours = totalSeconds / 3600;
+    StringBuilder sFormatBuilder = new StringBuilder();
+    Formatter sFormatter = new Formatter(sFormatBuilder, Locale.getDefault());
+    sFormatBuilder.setLength(0);
+    if (hours > 0) {
+      return sFormatter.format("%02d:%02d:%02d", hours, minutes, seconds).toString();
+    } else {
+      return sFormatter.format("%02d:%02d", minutes, seconds).toString();
+    }
+  }
+
+  /**
+   * 获取音频封面
+   */
+  public static Bitmap getArtwork(Context context, String url) {
+    Uri selectedAudio = Uri.parse(url);
+    MediaMetadataRetriever myRetriever = new MediaMetadataRetriever();
+    myRetriever.setDataSource(context, selectedAudio); // the URI of audio file
+    byte[] artwork;
+    artwork = myRetriever.getEmbeddedPicture();
+    if (artwork != null) {
+      return BitmapFactory.decodeByteArray(artwork, 0, artwork.length);
+    }
+    return null;
+  }
+
+  public static byte[] getArtworkAsByte(Context context, String url) {
+    Uri selectedAudio = Uri.parse(url);
+    MediaMetadataRetriever myRetriever = new MediaMetadataRetriever();
+    myRetriever.setDataSource(context, selectedAudio); // the URI of audio file
+    byte[] artwork;
+    artwork = myRetriever.getEmbeddedPicture();
+    if (artwork != null) {
+      return artwork;
+    }
+    return null;
+  }
+}