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| 1 /* |
| 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 package org.webrtc; |
| 12 |
| 13 import android.test.InstrumentationTestCase; |
| 14 import android.test.suitebuilder.annotation.SmallTest; |
| 15 |
| 16 import java.io.File; |
| 17 import java.io.IOException; |
| 18 import java.io.RandomAccessFile; |
| 19 import java.lang.Thread; |
| 20 import java.nio.charset.StandardCharsets; |
| 21 import java.nio.ByteBuffer; |
| 22 import java.util.ArrayList; |
| 23 import java.util.Random; |
| 24 |
| 25 public class VideoFileRendererTest extends InstrumentationTestCase { |
| 26 @SmallTest |
| 27 public void testYuvRenderingToFile() throws InterruptedException, IOException
{ |
| 28 EglBase eglBase = EglBase.create(); |
| 29 final String videoOutPath = "/sdcard/chromium_tests_root/testvideoout.y4m"; |
| 30 int frameWidth = 4; |
| 31 int frameHeight = 4; |
| 32 VideoFileRenderer videoFileRenderer = |
| 33 new VideoFileRenderer(videoOutPath, frameWidth, frameHeight, eglBase.get
EglBaseContext()); |
| 34 |
| 35 String[] frames = { |
| 36 "THIS IS JUST SOME TEXT x", "THE SECOND FRAME qwerty.", "HERE IS THE THR
ID FRAME!"}; |
| 37 |
| 38 for (String frameStr : frames) { |
| 39 int[] planeSizes = { |
| 40 frameWidth * frameWidth, frameWidth * frameHeight / 4, frameWidth * fr
ameHeight / 4}; |
| 41 |
| 42 byte[] frameBytes = frameStr.getBytes(StandardCharsets.US_ASCII); |
| 43 ByteBuffer[] yuvPlanes = new ByteBuffer[3]; |
| 44 int pos = 0; |
| 45 for (int i = 0; i < 3; i++) { |
| 46 yuvPlanes[i] = ByteBuffer.allocateDirect(planeSizes[i]); |
| 47 yuvPlanes[i].put(frameBytes, pos, planeSizes[i]); |
| 48 pos += planeSizes[i]; |
| 49 } |
| 50 |
| 51 int[] yuvStrides = {frameWidth, frameWidth / 2, frameWidth / 2}; |
| 52 |
| 53 VideoRenderer.I420Frame frame = |
| 54 new VideoRenderer.I420Frame(frameWidth, frameHeight, 0, yuvStrides, yu
vPlanes, 0); |
| 55 |
| 56 videoFileRenderer.renderFrame(frame); |
| 57 } |
| 58 videoFileRenderer.release(); |
| 59 |
| 60 RandomAccessFile writtenFile = new RandomAccessFile(videoOutPath, "r"); |
| 61 try { |
| 62 int length = (int) writtenFile.length(); |
| 63 byte[] data = new byte[length]; |
| 64 writtenFile.readFully(data); |
| 65 String fileContent = new String(data, StandardCharsets.US_ASCII); |
| 66 String expected = "YUV4MPEG2 C420 W4 H4 Ip F30:1 A1:1\n" |
| 67 + "FRAME\n" |
| 68 + "THIS IS JUST SOME TEXT xFRAME\n" |
| 69 + "THE SECOND FRAME qwerty.FRAME\n" |
| 70 + "HERE IS THE THRID FRAME!"; |
| 71 assertEquals(expected, fileContent); |
| 72 } finally { |
| 73 writtenFile.close(); |
| 74 } |
| 75 |
| 76 new File(videoOutPath).delete(); |
| 77 } |
| 78 } |
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