desc:录像每半个小时自动分文件存储

library-vlc/src/main/java/com/yinuo/library/vlc/encoder/AndroidMuxer.java

@@ -4,6 +4,7 @@ import android.media.MediaCodec;
 import android.media.MediaFormat;
 import android.media.MediaMuxer;
 
+import java.io.File;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
@@ -14,6 +15,7 @@ import java.nio.ByteBuffer;
 public class AndroidMuxer {
 
     private final int mExpectedNumTracks = 1;
+    private MediaFormat mVideoFormat = null;
 
     private MediaMuxer mMuxer;
 
@@ -22,9 +24,19 @@ public class AndroidMuxer {
     private volatile int mNumTracks;
     private volatile int mNumReleases;
 
-    public AndroidMuxer(String outputPath) {
+    private long mStartRecordTime = 0L;
+    private static final long DEFAULT_RECORD_DURATION = 30 * 60 * 1000;
+
+    public AndroidMuxer() {
+        createMediaMuxer();
+    }
+
+    private void createMediaMuxer() {
         try {
-            mMuxer = new MediaMuxer(outputPath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
+            File output = CameraHelper.getOutputMediaFile(CameraHelper.MEDIA_TYPE_VIDEO, "");
+            String filePath = output.getAbsolutePath();
+            mMuxer = new MediaMuxer(filePath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
+            mStarted = false;
         } catch (IOException e) {
             e.printStackTrace();
         }
@@ -37,7 +49,7 @@ public class AndroidMuxer {
 
         synchronized (mMuxer) {
             int track = mMuxer.addTrack(trackFormat);
-
+            mVideoFormat = trackFormat;
             if (++mNumTracks == mExpectedNumTracks) {
                 mMuxer.start();
                 mStarted = true;
@@ -55,6 +67,20 @@ public class AndroidMuxer {
         synchronized (mMuxer) {
             mMuxer.writeSampleData(trackIndex, encodedData, bufferInfo);
         }
+        if (mStartRecordTime <= 0L) {
+            mStartRecordTime = System.currentTimeMillis();
+        } else {
+            long recordTime = System.currentTimeMillis() - mStartRecordTime;
+            if (recordTime > DEFAULT_RECORD_DURATION) {
+                mMuxer.stop();
+                mMuxer.release();
+
+                mNumTracks = 0;
+                mStartRecordTime = 0L;
+                createMediaMuxer();
+                addTrack(mVideoFormat);
+            }
+        }
     }
 
     public boolean release() {

library-vlc/src/main/java/com/yinuo/library/vlc/encoder/BaseMovieEncoder.java

@@ -106,7 +106,7 @@ public abstract class BaseMovieEncoder implements Runnable {
                              EGLContext sharedEglContext) {
             mOutputFile = outputFile;
             mEglContext = sharedEglContext;
-            mMuxer = new AndroidMuxer(outputFile.getPath());
+            mMuxer = new AndroidMuxer();
         }
 
         @Override