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| 1 /* | |
| 2 * Copyright (c) 2012 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.videoengine; | |
| 12 | |
| 13 // The following four imports are needed saveBitmapToJPEG which | |
| 14 // is for debug only | |
| 15 import java.io.ByteArrayOutputStream; | |
| 16 import java.io.FileNotFoundException; | |
| 17 import java.io.FileOutputStream; | |
| 18 import java.io.IOException; | |
| 19 import java.nio.ByteBuffer; | |
| 20 | |
| 21 import android.graphics.Bitmap; | |
| 22 import android.graphics.Canvas; | |
| 23 import android.graphics.Rect; | |
| 24 import android.view.SurfaceHolder; | |
| 25 import android.view.SurfaceView; | |
| 26 import android.view.SurfaceHolder.Callback; | |
| 27 | |
| 28 import org.webrtc.Logging; | |
| 29 | |
| 30 public class ViESurfaceRenderer implements Callback { | |
| 31 | |
| 32 private final static String TAG = "WEBRTC"; | |
| 33 | |
| 34 // the bitmap used for drawing. | |
| 35 private Bitmap bitmap = null; | |
| 36 private ByteBuffer byteBuffer = null; | |
| 37 private SurfaceHolder surfaceHolder; | |
| 38 // Rect of the source bitmap to draw | |
| 39 private Rect srcRect = new Rect(); | |
| 40 // Rect of the destination canvas to draw to | |
| 41 private Rect dstRect = new Rect(); | |
| 42 private float dstTopScale = 0; | |
| 43 private float dstBottomScale = 1; | |
| 44 private float dstLeftScale = 0; | |
| 45 private float dstRightScale = 1; | |
| 46 | |
| 47 public ViESurfaceRenderer(SurfaceView view) { | |
| 48 surfaceHolder = view.getHolder(); | |
| 49 if(surfaceHolder == null) | |
| 50 return; | |
| 51 surfaceHolder.addCallback(this); | |
| 52 } | |
| 53 | |
| 54 // surfaceChanged and surfaceCreated share this function | |
| 55 private void changeDestRect(int dstWidth, int dstHeight) { | |
| 56 dstRect.right = (int)(dstRect.left + dstRightScale * dstWidth); | |
| 57 dstRect.bottom = (int)(dstRect.top + dstBottomScale * dstHeight); | |
| 58 } | |
| 59 | |
| 60 public void surfaceChanged(SurfaceHolder holder, int format, | |
| 61 int in_width, int in_height) { | |
| 62 Logging.d(TAG, "ViESurfaceRender::surfaceChanged"); | |
| 63 | |
| 64 changeDestRect(in_width, in_height); | |
| 65 | |
| 66 Logging.d(TAG, "ViESurfaceRender::surfaceChanged" + | |
| 67 " in_width:" + in_width + " in_height:" + in_height + | |
| 68 " srcRect.left:" + srcRect.left + | |
| 69 " srcRect.top:" + srcRect.top + | |
| 70 " srcRect.right:" + srcRect.right + | |
| 71 " srcRect.bottom:" + srcRect.bottom + | |
| 72 " dstRect.left:" + dstRect.left + | |
| 73 " dstRect.top:" + dstRect.top + | |
| 74 " dstRect.right:" + dstRect.right + | |
| 75 " dstRect.bottom:" + dstRect.bottom); | |
| 76 } | |
| 77 | |
| 78 public void surfaceCreated(SurfaceHolder holder) { | |
| 79 Canvas canvas = surfaceHolder.lockCanvas(); | |
| 80 if(canvas != null) { | |
| 81 Rect dst = surfaceHolder.getSurfaceFrame(); | |
| 82 if(dst != null) { | |
| 83 changeDestRect(dst.right - dst.left, dst.bottom - dst.top); | |
| 84 Logging.d(TAG, "ViESurfaceRender::surfaceCreated" + | |
| 85 " dst.left:" + dst.left + | |
| 86 " dst.top:" + dst.top + | |
| 87 " dst.right:" + dst.right + | |
| 88 " dst.bottom:" + dst.bottom + | |
| 89 " srcRect.left:" + srcRect.left + | |
| 90 " srcRect.top:" + srcRect.top + | |
| 91 " srcRect.right:" + srcRect.right + | |
| 92 " srcRect.bottom:" + srcRect.bottom + | |
| 93 " dstRect.left:" + dstRect.left + | |
| 94 " dstRect.top:" + dstRect.top + | |
| 95 " dstRect.right:" + dstRect.right + | |
| 96 " dstRect.bottom:" + dstRect.bottom); | |
| 97 } | |
| 98 surfaceHolder.unlockCanvasAndPost(canvas); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 public void surfaceDestroyed(SurfaceHolder holder) { | |
| 103 Logging.d(TAG, "ViESurfaceRenderer::surfaceDestroyed"); | |
| 104 bitmap = null; | |
| 105 byteBuffer = null; | |
| 106 } | |
| 107 | |
| 108 public Bitmap CreateBitmap(int width, int height) { | |
| 109 Logging.d(TAG, "CreateByteBitmap " + width + ":" + height); | |
| 110 if (bitmap == null) { | |
| 111 try { | |
| 112 android.os.Process.setThreadPriority( | |
| 113 android.os.Process.THREAD_PRIORITY_DISPLAY); | |
| 114 } | |
| 115 catch (Exception e) { | |
| 116 } | |
| 117 } | |
| 118 bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565); | |
| 119 srcRect.left = 0; | |
| 120 srcRect.top = 0; | |
| 121 srcRect.bottom = height; | |
| 122 srcRect.right = width; | |
| 123 return bitmap; | |
| 124 } | |
| 125 | |
| 126 public ByteBuffer CreateByteBuffer(int width, int height) { | |
| 127 Logging.d(TAG, "CreateByteBuffer " + width + ":" + height); | |
| 128 if (bitmap == null) { | |
| 129 bitmap = CreateBitmap(width, height); | |
| 130 byteBuffer = ByteBuffer.allocateDirect(width * height * 2); | |
| 131 } | |
| 132 return byteBuffer; | |
| 133 } | |
| 134 | |
| 135 public void SetCoordinates(float left, float top, | |
| 136 float right, float bottom) { | |
| 137 Logging.d(TAG, "SetCoordinates " + left + "," + top + ":" + | |
| 138 right + "," + bottom); | |
| 139 dstLeftScale = left; | |
| 140 dstTopScale = top; | |
| 141 dstRightScale = right; | |
| 142 dstBottomScale = bottom; | |
| 143 } | |
| 144 | |
| 145 // It saves bitmap data to a JPEG picture, this function is for debug only. | |
| 146 private void saveBitmapToJPEG(int width, int height) { | |
| 147 ByteArrayOutputStream byteOutStream = new ByteArrayOutputStream(); | |
| 148 bitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteOutStream); | |
| 149 | |
| 150 try{ | |
| 151 FileOutputStream output = new FileOutputStream(String.format( | |
| 152 "/sdcard/render_%d.jpg", System.currentTimeMillis())); | |
| 153 output.write(byteOutStream.toByteArray()); | |
| 154 output.flush(); | |
| 155 output.close(); | |
| 156 } | |
| 157 catch (FileNotFoundException e) { | |
| 158 } | |
| 159 catch (IOException e) { | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 public void DrawByteBuffer() { | |
| 164 if(byteBuffer == null) | |
| 165 return; | |
| 166 byteBuffer.rewind(); | |
| 167 bitmap.copyPixelsFromBuffer(byteBuffer); | |
| 168 DrawBitmap(); | |
| 169 } | |
| 170 | |
| 171 public void DrawBitmap() { | |
| 172 if(bitmap == null) | |
| 173 return; | |
| 174 | |
| 175 Canvas canvas = surfaceHolder.lockCanvas(); | |
| 176 if(canvas != null) { | |
| 177 // The follow line is for debug only | |
| 178 // saveBitmapToJPEG(srcRect.right - srcRect.left, | |
| 179 // srcRect.bottom - srcRect.top); | |
| 180 canvas.drawBitmap(bitmap, srcRect, dstRect, null); | |
| 181 surfaceHolder.unlockCanvasAndPost(canvas); | |
| 182 } | |
| 183 } | |
| 184 | |
| 185 } | |
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Chromium Code Reviews
Issue 1929223003:
Reland of Delete video_render module. (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master