desc:增加健壮性

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

@@ -62,6 +62,10 @@ public class AndroidMuxer {
             throw new IllegalStateException();
         }
 
+        if (mMuxer == null) {
+            throw new IllegalStateException("mMuxer is null");
+        }
+
         synchronized (mMuxer) {
             int track = mMuxer.addTrack(trackFormat);
             mVideoFormat = trackFormat;
@@ -79,7 +83,7 @@ public class AndroidMuxer {
     }
 
     public void writeSampleData(int trackIndex, ByteBuffer encodedData, MediaCodec.BufferInfo bufferInfo) {
-        if (mNumReleases != 0) {
+        if (mNumReleases != 0 || mMuxer == null) {
             return;
         }
         synchronized (mMuxer) {
@@ -101,16 +105,19 @@ public class AndroidMuxer {
     }
 
     public boolean release() {
+        if (mMuxer != null) {
             synchronized (mMuxer) {
                 if (++mNumReleases == mNumTracks) {
                     stopMuxer();
                     return true;
                 }
             }
+        }
         return false;
     }
 
     public void stopMuxer() {
+        if (mMuxer != null) {
             mMuxer.stop();
             mMuxer.release();
             if (mStartRecordTime > 0 && mStartRecordTime < System.currentTimeMillis() && !TextUtils.isEmpty(mCurrentPath)) {
@@ -118,3 +125,4 @@ public class AndroidMuxer {
             }
         }
     }
+}

library-push/src/main/java/com/yinuo/library/vlc/encoder/MediaCodecManager.java

@@ -287,8 +287,12 @@ public class MediaCodecManager {
 
                 @Override
                 public void onOutputFormatChanged(@NonNull MediaCodec codec, @NonNull MediaFormat format) {
+                    try {
                         MediaFormat newFormat = mMediaCodec.getOutputFormat();
                         mTrackIndex = androidMuxer.addTrack(newFormat);
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
                 }
             }, mHandler);
             mMediaCodec.start();