change: handler IOException

Author: kumiko.koshiro

lib/src/main/java/net/ypresto/androidtranscoder/engine/MediaTranscoderEngine.java

@@ -148,7 +148,7 @@ private void setupMetadata() throws IOException {
         Log.d(TAG, "Duration (us): " + mDurationUs);
     }
 
-    private void setupTrackTranscoders(MediaFormatStrategy formatStrategy) {
+    private void setupTrackTranscoders(MediaFormatStrategy formatStrategy) throws IOException {
         MediaExtractorUtils.TrackResult trackResult = MediaExtractorUtils.getFirstVideoAndAudioTrack(mExtractor);
         MediaFormat videoOutputFormat = formatStrategy.createVideoOutputFormat(trackResult.mVideoTrackFormat);
         MediaFormat audioOutputFormat = formatStrategy.createAudioOutputFormat(trackResult.mAudioTrackFormat);

lib/src/main/java/net/ypresto/androidtranscoder/engine/PassThroughTrackTranscoder.java

@@ -15,6 +15,7 @@
  */
 package net.ypresto.androidtranscoder.engine;
 
+import android.annotation.SuppressLint;
 import android.media.MediaCodec;
 import android.media.MediaExtractor;
 import android.media.MediaFormat;
@@ -63,6 +64,7 @@ public void determineFormat() {
         mActualOutputFormat = mExtractor.getTrackFormat(mTrackIndex);
     }
 
+    @SuppressLint("Assert")
     @Override
     public boolean stepPipeline() {
         if (mIsEOS) return false;

lib/src/main/java/net/ypresto/androidtranscoder/engine/TrackTranscoder.java

@@ -17,9 +17,11 @@
 
 import android.media.MediaFormat;
 
+import java.io.IOException;
+
 public interface TrackTranscoder {
 
-    void setup();
+    void setup() throws IOException;
 
     /**
      * Get actual MediaFormat which is used to write to muxer.

lib/src/main/java/net/ypresto/androidtranscoder/engine/VideoTrackTranscoder.java

@@ -21,6 +21,7 @@
 import android.media.MediaMuxer;
 import android.util.Log;
 
+import java.io.IOException;
 import java.nio.ByteBuffer;
 
 // Refer: https://android.googlesource.com/platform/cts/+/lollipop-release/tests/tests/media/src/android/media/cts/ExtractDecodeEditEncodeMuxTest.java
@@ -35,7 +36,6 @@ public class VideoTrackTranscoder implements TrackTranscoder {
     private final MediaFormat mOutputFormat;
     private final MediaMuxer mMuxer;
     private final MediaCodec.BufferInfo mBufferInfo = new MediaCodec.BufferInfo();
-    private boolean mWritingToMuxerStarted;
     private MediaCodec mDecoder;
     private MediaCodec mEncoder;
     private ByteBuffer[] mDecoderInputBuffers;
@@ -62,7 +62,7 @@ public VideoTrackTranscoder(MediaExtractor extractor,
     }
 
     @Override
-    public void setup() {
+    public void setup() throws IOException {
         mExtractor.selectTrack(mTrackIndex);
         mEncoder = MediaCodec.createEncoderByType(mOutputFormat.getString(MediaFormat.KEY_MIME));
         mEncoder.configure(mOutputFormat, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE);