capture a top java exception on certain Samsung devices

This is one of the top crasher on some samsung devices
https://crash.corp.google.com/search?query=android.media.MediaCodec.flush
Capture some exceptions while we are trying to look into the problem

BUG=278464

Review URL: https://chromiumcodereview.appspot.com/23321004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221858 0039d316-1c4b-4281-b951-d872f2087c98

media/base/android/java/src/org/chromium/media/MediaCodecBridge.java

@@ -193,12 +193,18 @@ class MediaCodecBridge {
     }
 
     @CalledByNative
-    private void flush() {
-        mMediaCodec.flush();
-        mFlushed = true;
-        if (mAudioTrack != null) {
-            mAudioTrack.flush();
+    private int flush() {
+        try {
+            mFlushed = true;
+            if (mAudioTrack != null) {
+                mAudioTrack.flush();
+            }
+            mMediaCodec.flush();
+        } catch(IllegalStateException e) {
+            Log.e(TAG, "Failed to flush MediaCodec " + e.toString());
+            return MEDIA_CODEC_ERROR;
         }
+        return MEDIA_CODEC_OK;
     }
 
     @CalledByNative

media/base/android/media_codec_bridge.cc

@@ -111,9 +111,10 @@ void MediaCodecBridge::StartInternal() {
   GetOutputBuffers();
 }
 
-void MediaCodecBridge::Reset() {
+MediaCodecStatus MediaCodecBridge::Reset() {
   JNIEnv* env = AttachCurrentThread();
-  Java_MediaCodecBridge_flush(env, j_media_codec_.obj());
+  return static_cast<MediaCodecStatus>(
+      Java_MediaCodecBridge_flush(env, j_media_codec_.obj()));
 }
 
 void MediaCodecBridge::Stop() {

media/base/android/media_codec_bridge.h

@@ -54,7 +54,9 @@ class MEDIA_EXPORT MediaCodecBridge {
   // DequeueInputBuffer() and DequeueOutputBuffer() become invalid.
   // Please note that this clears all the inputs in the media codec. In other
   // words, there will be no outputs until new input is provided.
-  void Reset();
+  // Returns MEDIA_CODEC_ERROR if an unexpected error happens, or Media_CODEC_OK
+  // otherwise.
+  MediaCodecStatus Reset();
 
   // Finishes the decode/encode session. The instance remains active
   // and ready to be StartAudio/Video()ed again. HOWEVER, due to the buggy

media/base/android/media_decoder_job.cc

@@ -231,7 +231,11 @@ void MediaDecoderJob::DecodeInternal(
   if (needs_flush) {
     DVLOG(1) << "DecodeInternal needs flush.";
     input_eos_encountered_ = false;
-    media_codec_bridge_->Reset();
+    MediaCodecStatus reset_status = media_codec_bridge_->Reset();
+    if (MEDIA_CODEC_OK != reset_status) {
+      callback.Run(reset_status, start_presentation_timestamp, 0);
+      return;
+    }
   }
 
   MediaCodecStatus input_status = MEDIA_CODEC_INPUT_END_OF_STREAM;