Basic Media Decoder sample that builds on a Utility class - common/media/MediaCodecWrapper
Change-Id: I23be233009ccc6ad1e5f1305d53bdf8f436451b6
diff --git a/common/assets/video/vid_bigbuckbunny.mp4 b/common/assets/video/vid_bigbuckbunny.mp4
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--- /dev/null
+++ b/common/assets/video/vid_bigbuckbunny.mp4
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diff --git a/common/src/com/example/android/common/media/MediaCodecWrapper.java b/common/src/com/example/android/common/media/MediaCodecWrapper.java
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+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.common.media;
+
+import android.media.*;
+import android.os.Handler;
+import android.os.Looper;
+import android.view.Surface;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayDeque;
+import java.util.Queue;
+
+/**
+ * Simplifies the MediaCodec interface by wrapping around the buffer processing operations.
+ */
+public class MediaCodecWrapper {
+
+ // Handler to use for {@code OutputSampleListener} and {code OutputFormatChangedListener}
+ // callbacks
+ private Handler mHandler;
+
+
+ // Callback when media output format changes.
+ public interface OutputFormatChangedListener {
+ void outputFormatChanged(MediaCodecWrapper sender, MediaFormat newFormat);
+ }
+
+ private OutputFormatChangedListener mOutputFormatChangedListener = null;
+
+ /**
+ * Callback for decodes frames. Observers can register a listener for optional stream
+ * of decoded data
+ */
+ public interface OutputSampleListener {
+ void outputSample(MediaCodecWrapper sender, MediaCodec.BufferInfo info, ByteBuffer buffer);
+ }
+
+ /**
+ * The {@link MediaCodec} that is managed by this class.
+ */
+ private MediaCodec mDecoder;
+
+ // References to the internal buffers managed by the codec. The codec
+ // refers to these buffers by index, never by reference so it's up to us
+ // to keep track of which buffer is which.
+ private ByteBuffer[] mInputBuffers;
+ private ByteBuffer[] mOutputBuffers;
+
+ // Indices of the input buffers that are currently available for writing. We'll
+ // consume these in the order they were dequeued from the codec.
+ private Queue<Integer> mAvailableInputBuffers;
+
+ // Indices of the output buffers that currently hold valid data, in the order
+ // they were produced by the codec.
+ private Queue<Integer> mAvailableOutputBuffers;
+
+ // Information about each output buffer, by index. Each entry in this array
+ // is valid if and only if its index is currently contained in mAvailableOutputBuffers.
+ private MediaCodec.BufferInfo[] mOutputBufferInfo;
+
+ // An (optional) stream that will receive decoded data.
+ private OutputSampleListener mOutputSampleListener;
+
+ private MediaCodecWrapper(MediaCodec codec) {
+ mDecoder = codec;
+ codec.start();
+ mInputBuffers = codec.getInputBuffers();
+ mOutputBuffers = codec.getOutputBuffers();
+ mOutputBufferInfo = new MediaCodec.BufferInfo[mOutputBuffers.length];
+ mAvailableInputBuffers = new ArrayDeque<Integer>(mOutputBuffers.length);
+ mAvailableOutputBuffers = new ArrayDeque<Integer>(mInputBuffers.length);
+ }
+
+ /**
+ * Releases resources and ends the encoding/decoding session.
+ */
+ public void stopAndRelease() {
+ mDecoder.stop();
+ mDecoder.release();
+ mDecoder = null;
+ mHandler = null;
+ }
+
+ /**
+ * Getter for the registered {@link OutputFormatChangedListener}
+ */
+ public OutputFormatChangedListener getOutputFormatChangedListener() {
+ return mOutputFormatChangedListener;
+ }
+
+ /**
+ *
+ * @param outputFormatChangedListener the listener for callback.
+ * @param handler message handler for posting the callback.
+ */
+ public void setOutputFormatChangedListener(final OutputFormatChangedListener
+ outputFormatChangedListener, Handler handler) {
+ mOutputFormatChangedListener = outputFormatChangedListener;
+
+ // Making sure we don't block ourselves due to a bad implementation of the callback by
+ // using a handler provided by client.
+ Looper looper;
+ mHandler = handler;
+ if (outputFormatChangedListener != null && mHandler == null) {
+ if ((looper = Looper.myLooper()) != null) {
+ mHandler = new Handler();
+ } else {
+ throw new IllegalArgumentException(
+ "Looper doesn't exist in the calling thread");
+ }
+ }
+ }
+
+ /**
+ * Constructs the {@link MediaCodecWrapper} wrapper object around the video codec.
+ * The codec is created using the encapsulated information in the
+ * {@link MediaFormat} object.
+ *
+ * @param trackFormat The format of the media object to be decoded.
+ * @param surface Surface to render the decoded frames.
+ * @return
+ */
+ public static MediaCodecWrapper fromVideoFormat(final MediaFormat trackFormat,
+ Surface surface) {
+ MediaCodecWrapper result = null;
+ MediaCodec videoCodec = null;
+
+ // BEGIN_INCLUDE(create_codec)
+ final String mimeType = trackFormat.getString(MediaFormat.KEY_MIME);
+
+ // Check to see if this is actually a video mime type. If it is, then create
+ // a codec that can decode this mime type.
+ if (mimeType.contains("video/")) {
+ videoCodec = MediaCodec.createDecoderByType(mimeType);
+ videoCodec.configure(trackFormat, surface, null, 0);
+
+ }
+
+ // If codec creation was successful, then create a wrapper object around the
+ // newly created codec.
+ if (videoCodec != null) {
+ result = new MediaCodecWrapper(videoCodec);
+ }
+ // END_INCLUDE(create_codec)
+
+ return result;
+ }
+
+
+ /**
+ * Write a media sample to the decoder.
+ *
+ * A "sample" here refers to a single atomic access unit in the media stream. The definition
+ * of "access unit" is dependent on the type of encoding used, but it typically refers to
+ * a single frame of video or a few seconds of audio. {@link android.media.MediaExtractor}
+ * extracts data from a stream one sample at a time.
+ *
+ * @param input A ByteBuffer containing the input data for one sample. The buffer must be set
+ * up for reading, with its position set to the beginning of the sample data and its limit
+ * set to the end of the sample data.
+ *
+ * @param presentationTimeUs The time, relative to the beginning of the media stream,
+ * at which this buffer should be rendered.
+ *
+ * @param flags Flags to pass to the decoder. See {@link MediaCodec#queueInputBuffer(int,
+ * int, int, long, int)}
+ *
+ * @throws MediaCodec.CryptoException
+ */
+ public boolean writeSample(final ByteBuffer input,
+ final MediaCodec.CryptoInfo crypto,
+ final long presentationTimeUs,
+ final int flags) throws MediaCodec.CryptoException, WriteException {
+ boolean result = false;
+ int size = input.remaining();
+
+ // check if we have dequed input buffers available from the codec
+ if (size > 0 && !mAvailableInputBuffers.isEmpty()) {
+ int index = mAvailableInputBuffers.remove();
+ ByteBuffer buffer = mInputBuffers[index];
+
+ // we can't write our sample to a lesser capacity input buffer.
+ if (size > buffer.capacity()) {
+ throw new MediaCodecWrapper.WriteException(String.format(
+ "Insufficient capacity in MediaCodec buffer: "
+ + "tried to write %d, buffer capacity is %d.",
+ input.remaining(),
+ buffer.capacity()));
+ }
+
+ buffer.clear();
+ buffer.put(input);
+
+ // Submit the buffer to the codec for decoding. The presentationTimeUs
+ // indicates the position (play time) for the current sample.
+ if (crypto == null) {
+ mDecoder.queueInputBuffer(index, 0, size, presentationTimeUs, flags);
+ } else {
+ mDecoder.queueSecureInputBuffer(index, 0, crypto, presentationTimeUs, flags);
+ }
+ result = true;
+ }
+ return result;
+ }
+
+ static MediaCodec.CryptoInfo cryptoInfo= new MediaCodec.CryptoInfo();
+
+ /**
+ * Write a media sample to the decoder.
+ *
+ * A "sample" here refers to a single atomic access unit in the media stream. The definition
+ * of "access unit" is dependent on the type of encoding used, but it typically refers to
+ * a single frame of video or a few seconds of audio. {@link android.media.MediaExtractor}
+ * extracts data from a stream one sample at a time.
+ *
+ * @param extractor Instance of {@link android.media.MediaExtractor} wrapping the media.
+ *
+ * @param presentationTimeUs The time, relative to the beginning of the media stream,
+ * at which this buffer should be rendered.
+ *
+ * @param flags Flags to pass to the decoder. See {@link MediaCodec#queueInputBuffer(int,
+ * int, int, long, int)}
+ *
+ * @throws MediaCodec.CryptoException
+ */
+ public boolean writeSample(final MediaExtractor extractor,
+ final boolean isSecure,
+ final long presentationTimeUs,
+ int flags) {
+ boolean result = false;
+ boolean isEos = false;
+
+ if (!mAvailableInputBuffers.isEmpty()) {
+ int index = mAvailableInputBuffers.remove();
+ ByteBuffer buffer = mInputBuffers[index];
+
+ // reads the sample from the file using extractor into the buffer
+ int size = extractor.readSampleData(buffer, 0);
+ if (size <= 0) {
+ flags |= MediaCodec.BUFFER_FLAG_END_OF_STREAM;
+ }
+
+ // Submit the buffer to the codec for decoding. The presentationTimeUs
+ // indicates the position (play time) for the current sample.
+ if (!isSecure) {
+ mDecoder.queueInputBuffer(index, 0, size, presentationTimeUs, flags);
+ } else {
+ extractor.getSampleCryptoInfo(cryptoInfo);
+ mDecoder.queueSecureInputBuffer(index, 0, cryptoInfo, presentationTimeUs, flags);
+ }
+
+ result = true;
+ }
+ return result;
+ }
+
+ /**
+ * Performs a peek() operation in the queue to extract media info for the buffer ready to be
+ * released i.e. the head element of the queue.
+ *
+ * @param out_bufferInfo An output var to hold the buffer info.
+ *
+ * @return True, if the peek was successful.
+ */
+ public boolean peekSample(MediaCodec.BufferInfo out_bufferInfo) {
+ // dequeue available buffers and synchronize our data structures with the codec.
+ update();
+ boolean result = false;
+ if (!mAvailableOutputBuffers.isEmpty()) {
+ int index = mAvailableOutputBuffers.peek();
+ MediaCodec.BufferInfo info = mOutputBufferInfo[index];
+ // metadata of the sample
+ out_bufferInfo.set(
+ info.offset,
+ info.size,
+ info.presentationTimeUs,
+ info.flags);
+ result = true;
+ }
+ return result;
+ }
+
+ /**
+ * Processes, releases and optionally renders the output buffer available at the head of the
+ * queue. All observers are notified with a callback. See {@link
+ * OutputSampleListener#outputSample(MediaCodecWrapper, android.media.MediaCodec.BufferInfo,
+ * java.nio.ByteBuffer)}
+ *
+ * @param render True, if the buffer is to be rendered on the {@link Surface} configured
+ *
+ */
+ public void popSample(boolean render) {
+ // dequeue available buffers and synchronize our data structures with the codec.
+ update();
+ if (!mAvailableOutputBuffers.isEmpty()) {
+ int index = mAvailableOutputBuffers.remove();
+
+ if (render && mOutputSampleListener != null) {
+ ByteBuffer buffer = mOutputBuffers[index];
+ MediaCodec.BufferInfo info = mOutputBufferInfo[index];
+ mOutputSampleListener.outputSample(this, info, buffer);
+ }
+
+ // releases the buffer back to the codec
+ mDecoder.releaseOutputBuffer(index, render);
+ }
+ }
+
+ /**
+ * Synchronize this object's state with the internal state of the wrapped
+ * MediaCodec.
+ */
+ private void update() {
+ // BEGIN_INCLUDE(update_codec_state)
+ int index;
+
+ // Get valid input buffers from the codec to fill later in the same order they were
+ // made available by the codec.
+ while ((index = mDecoder.dequeueInputBuffer(0)) != MediaCodec.INFO_TRY_AGAIN_LATER) {
+ mAvailableInputBuffers.add(index);
+ }
+
+
+ // Likewise with output buffers. If the output buffers have changed, start using the
+ // new set of output buffers. If the output format has changed, notify listeners.
+ MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
+ while ((index = mDecoder.dequeueOutputBuffer(info, 0)) != MediaCodec.INFO_TRY_AGAIN_LATER) {
+ switch (index) {
+ case MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED:
+ mOutputBuffers = mDecoder.getOutputBuffers();
+ mOutputBufferInfo = new MediaCodec.BufferInfo[mOutputBuffers.length];
+ mAvailableOutputBuffers.clear();
+ break;
+ case MediaCodec.INFO_OUTPUT_FORMAT_CHANGED:
+ if (mOutputFormatChangedListener != null) {
+ mHandler.post(new Runnable() {
+ @Override
+ public void run() {
+ mOutputFormatChangedListener
+ .outputFormatChanged(MediaCodecWrapper.this,
+ mDecoder.getOutputFormat());
+
+ }
+ });
+ }
+ break;
+ default:
+ // Making sure the index is valid before adding to output buffers. We've already
+ // handled INFO_TRY_AGAIN_LATER, INFO_OUTPUT_FORMAT_CHANGED &
+ // INFO_OUTPUT_BUFFERS_CHANGED i.e all the other possible return codes but
+ // asserting index value anyways for future-proofing the code.
+ if(index >= 0) {
+ mOutputBufferInfo[index] = info;
+ mAvailableOutputBuffers.add(index);
+ } else {
+ throw new IllegalStateException("Unknown status from dequeueOutputBuffer");
+ }
+ break;
+ }
+
+ }
+ // END_INCLUDE(update_codec_state)
+
+ }
+
+ private class WriteException extends Throwable {
+ private WriteException(final String detailMessage) {
+ super(detailMessage);
+ }
+ }
+}
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/build.gradle b/media/BasicMediaDecoder/BasicMediaDecoder/build.gradle
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+++ b/media/BasicMediaDecoder/BasicMediaDecoder/build.gradle
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+buildscript {
+ repositories {
+ mavenCentral()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:0.5.+'
+ }
+}
+apply plugin: 'android'
+
+dependencies {
+ compile files('libs/android-support-v4.jar')
+}
+
+android {
+ compileSdkVersion 17
+ buildToolsVersion "17.0.0"
+
+ defaultConfig {
+ minSdkVersion 16
+ targetSdkVersion 16
+ }
+}
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/AndroidManifest.xml b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/AndroidManifest.xml
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+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/AndroidManifest.xml
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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.example.android.media.basicmediadecoder"
+ android:versionCode="1"
+ android:versionName="1.0">
+
+ <uses-sdk android:minSdkVersion="17"/>
+ <application
+ android:label="@string/app_name" android:icon="@drawable/ic_launcher">
+ <activity
+ android:name=".MainActivity"
+ android:screenOrientation="landscape"
+ android:label="@string/app_name">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN"/>
+ <category android:name="android.intent.category.LAUNCHER"/>
+ </intent-filter>
+ </activity>
+ </application>
+</manifest>
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/java/com/example/android/media/basicmediadecoder/MainActivity.java b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/java/com/example/android/media/basicmediadecoder/MainActivity.java
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+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/java/com/example/android/media/basicmediadecoder/MainActivity.java
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.media.basicmediadecoder;
+
+
+import com.example.android.common.media.MediaCodecWrapper;
+
+import android.animation.TimeAnimator;
+import android.app.Activity;
+import android.media.MediaCodec;
+import android.media.MediaExtractor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.*;
+import android.widget.TextView;
+
+import java.io.IOException;
+
+/**
+ * This activity uses a {@link TextureView} to render the frames of a video decoded using
+ * {@link MediaCodec} API.
+ */
+public class MainActivity extends Activity {
+
+ private TextureView mPlaybackView;
+ private TimeAnimator mTimeAnimator = new TimeAnimator();
+
+ // A utility that wraps up the underlying input and output buffer processing operations
+ // into an east to use API.
+ private MediaCodecWrapper mCodecWrapper;
+ private MediaExtractor mExtractor = new MediaExtractor();
+ TextView mAttribView = null;
+
+
+ /**
+ * Called when the activity is first created.
+ */
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_main);
+ mPlaybackView = (TextureView) findViewById(R.id.PlaybackView);
+ mAttribView = (TextView)findViewById(R.id.AttribView);
+
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ MenuInflater inflater = getMenuInflater();
+ inflater.inflate(R.menu.action_menu, menu);
+ return true;
+ }
+
+ @Override
+ protected void onPause() {
+ super.onPause();
+ if(mTimeAnimator != null && mTimeAnimator.isRunning()) {
+ mTimeAnimator.end();
+ }
+
+ if (mCodecWrapper != null ) {
+ mCodecWrapper.stopAndRelease();
+ mExtractor.release();
+ }
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ if (item.getItemId() == R.id.menu_play) {
+ mAttribView.setVisibility(View.VISIBLE);
+ startPlayback();
+ item.setEnabled(false);
+ }
+ return true;
+ }
+
+
+ public void startPlayback() {
+
+ // Construct a URI that points to the video resource that we want to play
+ Uri videoUri = Uri.parse("android.resource://"
+ + getPackageName() + "/"
+ + R.raw.vid_bigbuckbunny);
+
+ try {
+
+ // BEGIN_INCLUDE(initialize_extractor)
+ mExtractor.setDataSource(this, videoUri, null);
+ int nTracks = mExtractor.getTrackCount();
+
+ // Begin by unselecting all of the tracks in the extractor, so we won't see
+ // any tracks that we haven't explicitly selected.
+ for (int i = 0; i < nTracks; ++i) {
+ mExtractor.unselectTrack(i);
+ }
+
+
+ // Find the first video track in the stream. In a real-world application
+ // it's possible that the stream would contain multiple tracks, but this
+ // sample assumes that we just want to play the first one.
+ for (int i = 0; i < nTracks; ++i) {
+ // Try to create a video codec for this track. This call will return null if the
+ // track is not a video track, or not a recognized video format. Once it returns
+ // a valid MediaCodecWrapper, we can break out of the loop.
+ mCodecWrapper = MediaCodecWrapper.fromVideoFormat(mExtractor.getTrackFormat(i),
+ new Surface(mPlaybackView.getSurfaceTexture()));
+ if (mCodecWrapper != null) {
+ mExtractor.selectTrack(i);
+ break;
+ }
+ }
+ // END_INCLUDE(initialize_extractor)
+
+
+
+
+ // By using a {@link TimeAnimator}, we can sync our media rendering commands with
+ // the system display frame rendering. The animator ticks as the {@link Choreographer}
+ // recieves VSYNC events.
+ mTimeAnimator.setTimeListener(new TimeAnimator.TimeListener() {
+ @Override
+ public void onTimeUpdate(final TimeAnimator animation,
+ final long totalTime,
+ final long deltaTime) {
+
+ boolean isEos = ((mExtractor.getSampleFlags() & MediaCodec
+ .BUFFER_FLAG_END_OF_STREAM) == MediaCodec.BUFFER_FLAG_END_OF_STREAM);
+
+ // BEGIN_INCLUDE(write_sample)
+ if (!isEos) {
+ // Try to submit the sample to the codec and if successful advance the
+ // extractor to the next available sample to read.
+ boolean result = mCodecWrapper.writeSample(mExtractor, false,
+ mExtractor.getSampleTime(), mExtractor.getSampleFlags());
+
+ if (result) {
+ // Advancing the extractor is a blocking operation and it MUST be
+ // executed outside the main thread in real applications.
+ mExtractor.advance();
+ }
+ }
+ // END_INCLUDE(write_sample)
+
+ // Examine the sample at the head of the queue to see if its ready to be
+ // rendered and is not zero sized End-of-Stream record.
+ MediaCodec.BufferInfo out_bufferInfo = new MediaCodec.BufferInfo();
+ mCodecWrapper.peekSample(out_bufferInfo);
+
+ // BEGIN_INCLUDE(render_sample)
+ if (out_bufferInfo.size <= 0 && isEos) {
+ mTimeAnimator.end();
+ mCodecWrapper.stopAndRelease();
+ mExtractor.release();
+ } else if (out_bufferInfo.presentationTimeUs / 1000 < totalTime) {
+ // Pop the sample off the queue and send it to {@link Surface}
+ mCodecWrapper.popSample(true);
+ }
+ // END_INCLUDE(render_sample)
+
+ }
+ });
+
+ // We're all set. Kick off the animator to process buffers and render video frames as
+ // they become available
+ mTimeAnimator.start();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-hdpi/ic_action_play.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-hdpi/ic_action_play.png
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diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-mdpi/ic_action_play.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-mdpi/ic_action_play.png
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diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-mdpi/ic_action_play_disabled.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-mdpi/ic_action_play_disabled.png
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diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-mdpi/ic_launcher.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-mdpi/ic_launcher.png
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diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xhdpi/ic_action_play.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xhdpi/ic_action_play.png
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diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xhdpi/ic_action_play_disabled.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xhdpi/ic_action_play_disabled.png
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diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xhdpi/ic_launcher.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..bbb9b16
--- /dev/null
+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xhdpi/ic_launcher.png
Binary files differ
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xxhdpi/ic_launcher.png b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..4a5c33f
--- /dev/null
+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable/selector_play.xml b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable/selector_play.xml
new file mode 100644
index 0000000..2307135
--- /dev/null
+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/drawable/selector_play.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+ <item android:state_enabled="true"
+ android:drawable="@drawable/ic_action_play"/>
+
+ <item android:state_enabled="false"
+ android:drawable="@drawable/ic_action_play_disabled"/>
+</selector>
\ No newline at end of file
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/layout/activity_main.xml b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..2926e81
--- /dev/null
+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/layout/activity_main.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="fill_parent"
+ android:layout_height="fill_parent"
+ >
+ <TextureView
+ android:id="@+id/PlaybackView"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"/>
+ <TextView
+ android:id="@+id/AttribView"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="right|bottom"
+ android:visibility="gone"
+ android:textColor="@android:color/holo_blue_bright"
+ android:text="@string/app_video_attrib"/>
+</FrameLayout>
+
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/menu/action_menu.xml b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/menu/action_menu.xml
new file mode 100644
index 0000000..b2a2a4d
--- /dev/null
+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/menu/action_menu.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+ <item android:id="@+id/menu_play"
+ android:icon="@drawable/selector_play"
+ android:title="Play"
+ android:showAsAction="ifRoom|withText" />
+</menu>
\ No newline at end of file
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/raw b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/raw
new file mode 120000
index 0000000..0905975
--- /dev/null
+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/raw
@@ -0,0 +1 @@
+../../../../../../common/assets/video/
\ No newline at end of file
diff --git a/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/values/strings.xml b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/values/strings.xml
new file mode 100644
index 0000000..68e5c22
--- /dev/null
+++ b/media/BasicMediaDecoder/BasicMediaDecoder/src/main/res/values/strings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <string name="app_name">BasicMediaDecoder</string>
+ <string name="app_video_attrib">(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org
+ </string>
+</resources>
diff --git a/media/BasicMediaDecoder/build.gradle b/media/BasicMediaDecoder/build.gradle
new file mode 100644
index 0000000..495c503
--- /dev/null
+++ b/media/BasicMediaDecoder/build.gradle
@@ -0,0 +1 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
diff --git a/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.jar b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..8c0fb64
--- /dev/null
+++ b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.jar
Binary files differ
diff --git a/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.properties b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..5c22dec
--- /dev/null
+++ b/media/BasicMediaDecoder/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Wed Apr 10 15:27:10 PDT 2013
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.6-bin.zip
diff --git a/media/BasicMediaDecoder/gradlew b/media/BasicMediaDecoder/gradlew
new file mode 100755
index 0000000..91a7e26
--- /dev/null
+++ b/media/BasicMediaDecoder/gradlew
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+ echo "$*"
+}
+
+die ( ) {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+ [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=$((i+1))
+ done
+ case $i in
+ (0) set -- ;;
+ (1) set -- "$args0" ;;
+ (2) set -- "$args0" "$args1" ;;
+ (3) set -- "$args0" "$args1" "$args2" ;;
+ (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+ JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/media/BasicMediaDecoder/gradlew.bat b/media/BasicMediaDecoder/gradlew.bat
new file mode 100644
index 0000000..aec9973
--- /dev/null
+++ b/media/BasicMediaDecoder/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/media/BasicMediaDecoder/settings.gradle b/media/BasicMediaDecoder/settings.gradle
new file mode 100644
index 0000000..217721c
--- /dev/null
+++ b/media/BasicMediaDecoder/settings.gradle
@@ -0,0 +1 @@
+include ':BasicMediaDecoder'