blob: 667a3437456c5dfffe1343251b3babaafa5ba18a [file] [log] [blame]
/*
* Copyright 2016 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
package org.webrtc;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import android.os.Environment;
import android.support.test.filters.SmallTest;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Arrays;
import org.chromium.base.test.BaseJUnit4ClassRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(BaseJUnit4ClassRunner.class)
public class FileVideoCapturerTest {
public static class MockCapturerObserver implements VideoCapturer.CapturerObserver {
private final ArrayList<VideoFrame> frames = new ArrayList<VideoFrame>();
@Override
public void onCapturerStarted(boolean success) {
assertTrue(success);
}
@Override
public void onCapturerStopped() {
// Empty on purpose.
}
@Override
// TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
@SuppressWarnings("NoSynchronizedMethodCheck")
public synchronized void onFrameCaptured(VideoFrame frame) {
frames.add(frame);
notify();
}
// TODO(bugs.webrtc.org/8491): Remove NoSynchronizedMethodCheck suppression.
@SuppressWarnings("NoSynchronizedMethodCheck")
public synchronized ArrayList<VideoFrame> getMinimumFramesBlocking(int minFrames)
throws InterruptedException {
while (frames.size() < minFrames) {
wait();
}
return new ArrayList<VideoFrame>(frames);
}
}
@Before
public void setUp() {
NativeLibrary.initialize(new NativeLibrary.DefaultLoader());
}
@Test
@SmallTest
public void testVideoCaptureFromFile() throws InterruptedException, IOException {
final int FRAME_WIDTH = 4;
final int FRAME_HEIGHT = 4;
final int FRAME_CHROMA_WIDTH = (FRAME_WIDTH + 1) / 2;
final int FRAME_CHROMA_HEIGHT = (FRAME_HEIGHT + 1) / 2;
final int FRAME_SIZE_Y = FRAME_WIDTH * FRAME_HEIGHT;
final int FRAME_SIZE_CHROMA = FRAME_CHROMA_WIDTH * FRAME_CHROMA_HEIGHT;
final FileVideoCapturer fileVideoCapturer =
new FileVideoCapturer(Environment.getExternalStorageDirectory().getPath()
+ "/chromium_tests_root/sdk/android/instrumentationtests/src/org/webrtc/"
+ "capturetestvideo.y4m");
final MockCapturerObserver capturerObserver = new MockCapturerObserver();
fileVideoCapturer.initialize(
null /* surfaceTextureHelper */, null /* applicationContext */, capturerObserver);
fileVideoCapturer.startCapture(FRAME_WIDTH, FRAME_HEIGHT, 33 /* fps */);
final String[] expectedFrames = {
"THIS IS JUST SOME TEXT x", "THE SECOND FRAME qwerty.", "HERE IS THE THRID FRAME!"};
final ArrayList<VideoFrame> frames =
capturerObserver.getMinimumFramesBlocking(expectedFrames.length);
assertEquals(expectedFrames.length, frames.size());
fileVideoCapturer.stopCapture();
fileVideoCapturer.dispose();
// Check the content of the frames.
for (int i = 0; i < expectedFrames.length; ++i) {
final VideoFrame frame = frames.get(i);
final VideoFrame.Buffer buffer = frame.getBuffer();
assertTrue(buffer instanceof VideoFrame.I420Buffer);
final VideoFrame.I420Buffer i420Buffer = (VideoFrame.I420Buffer) buffer;
assertEquals(FRAME_WIDTH, i420Buffer.getWidth());
assertEquals(FRAME_HEIGHT, i420Buffer.getHeight());
final ByteBuffer dataY = i420Buffer.getDataY();
final ByteBuffer dataU = i420Buffer.getDataU();
final ByteBuffer dataV = i420Buffer.getDataV();
assertEquals(FRAME_SIZE_Y, dataY.remaining());
assertEquals(FRAME_SIZE_CHROMA, dataU.remaining());
assertEquals(FRAME_SIZE_CHROMA, dataV.remaining());
ByteBuffer frameContents = ByteBuffer.allocate(FRAME_SIZE_Y + 2 * FRAME_SIZE_CHROMA);
frameContents.put(dataY);
frameContents.put(dataU);
frameContents.put(dataV);
frameContents.rewind(); // Move back to the beginning.
assertByteBufferContents(
expectedFrames[i].getBytes(Charset.forName("US-ASCII")), frameContents);
}
}
private static void assertByteBufferContents(byte[] expected, ByteBuffer actual) {
assertEquals("Unexpected ByteBuffer size.", expected.length, actual.remaining());
for (int i = 0; i < expected.length; i++) {
assertEquals("Unexpected byte at index: " + i, expected[i], actual.get());
}
}
}