最近学习Android平台下跨平台音视频通信开发,虽然网上有很多开源项目供我们参考学习,但音视频效果很一般,还有很多不稳定的因素,毕竟是开源嘛。在国内我找到了一个比较好音视频通信解决方案(百度下载官方Anychat SDK),该案例提供了纯Java语言接口供我们调用,随后我参照官方android demo程序和开发文档并结合自己的见解写了一个android音频通信软件,200行以内代码就搞定了。其实我只是调用其相关API即可实现。以下是我自己写的Java代码,以备大家互相交流学习:
1./** 2. * Android视频聊天 3. * 1、初始化SDK 2、连接服务器、 3、用户登录;4、进入房间;5、打开本地视频;6、请求对方视频 4. */ 5.public class VideoChatActivity extends Activity implements AnyChatBaseEvent 6.{ 7. private AnyChatCoreSDK anychat; // 核心SDK 8. private SurfaceView remoteSurfaceView; // 对方视频 9. private SurfaceView localSurfaceView; // 本地视频 10. private ConfigEntity configEntity; 11. private boolean bSelfVideoOpened = false; // 本地视频是否已打开 12. private boolean bOtherVideoOpened = false; // 对方视频是否已打开 13. private TimerTask mTimerTask; // 定时器 14. private Timer mTimer = new Timer(true); 15. private Handler handler; // 用Handler来不间断刷新即时视频 16. private List<String> userlist = new ArrayList<String>();//保存在线用户列表 17. private int userid; // 用户ID 18. @Override 19. public void onCreate(Bundle savedInstanceState) 20. { 21. super.onCreate(savedInstanceState); 22. setContentView(R.layout.activity_video_chat); 23. remoteSurfaceView = (SurfaceView) findViewById(R.id.surface_remote); 24. localSurfaceView = (SurfaceView) findViewById(R.id.surface_local); 25. configEntity = ConfigService.LoadConfig(this);//加载视频通话设置 26. loginSystem();// 初始化SDK 连接服务器 27. mTimerTask = new TimerTask(){ 28. public void run(){ 29. Message mesasge = new Message(); 30. handler.sendMessage(mesasge); 31. } 32. }; 33. mTimer.schedule(mTimerTask, 1000, 100); 34. handler = new Handler(){ 35. @Override 36. public void handleMessage(Message msg){ 37. VideoChat();// 不间断显示即时视频通话画面 38. super.handleMessage(msg); 39. } 40. }; 41. } 42. // 初始化SDK 连接服务器 43. private void loginSystem(){ 44. if (anychat == null){ 45. anychat = new AnyChatCoreSDK(); 46. anychat.SetBaseEvent(this); // 设置基本事件回调函数 47. if (configEntity.useARMv6Lib != 0) // 使用ARMv6指令集 48. anychat.SetSDKOptionInt(AnyChatDefine. 49. BRAC_SO_CORESDK_USEARMV6LIB, 1); 50. anychat.InitSDK(android.os.Build.VERSION.SDK_INT, 0); // 初始化SDK 51. } 52. anychat.Connect("demo.anychat.cn", 8906);// 连接服务器 53. } 54. // 显示即时视频通话画面 55. public void VideoChat(){ 56. if (!bOtherVideoOpened){ 57. if (anychat.GetCameraState(userid) == 2 58. && anychat.GetUserVideoWidth(userid) != 0){ 59. SurfaceHolder holder = remoteSurfaceView.getHolder(); 60. holder.setFormat(PixelFormat.RGB_565); 61. holder.setFixedSize(anychat.GetUserVideoWidth(userid), 62. anychat.GetUserVideoHeight(userid)); 63. Surface s = holder.getSurface(); // 获得视频画面 64. anychat.SetVideoPos(userid, s, 0, 0, 0, 0); // 调用API显示视频画面 65. bOtherVideoOpened = true; 66. } 67. } 68. if (!bSelfVideoOpened){ 69. if (anychat.GetCameraState(-1) == 2 70. && anychat.GetUserVideoWidth(-1) != 0){ 71. SurfaceHolder holder = localSurfaceView.getHolder(); 72. holder.setFormat(PixelFormat.RGB_565); 73. holder.setFixedSize(anychat.GetUserVideoWidth(-1), 74. anychat.GetUserVideoHeight(-1)); 75. Surface s = holder.getSurface(); 76. anychat.SetVideoPos(-1, s, 0, 0, 0, 0); 77. bSelfVideoOpened = true; 78. } 79. } 80. } 81. public void OnAnyChatConnectMessage(boolean bSuccess){ 82. if (!bSuccess){ 83. Toast.makeText(VideoChatActivity.this, "连接服务器失败,自动重连,请稍后...", Toast.LENGTH_SHORT).show(); 84. } 85. anychat.Login("android", ""); // 服务器连接成功 用户登录 86. } 87. public void OnAnyChatLoginMessage(int dwUserId, int dwErrorCode){ 88. if (dwErrorCode == 0) { 89. Toast.makeText(this, "登录成功!", Toast.LENGTH_SHORT).show(); 90. anychat.EnterRoom(1, ""); // 用户登录成功 进入房间 91. ApplyVideoConfig(); 92. } else { 93. Toast.makeText(this, "登录失败,错误代码:" + dwErrorCode, Toast.LENGTH_SHORT).show(); 94. } 95. } 96. public void OnAnyChatEnterRoomMessage(int dwRoomId, int dwErrorCode){ 97. if (dwErrorCode == 0) { // 进入房间成功 打开本地音视频 98. Toast.makeText(this, "进入房间成功", Toast.LENGTH_SHORT).show(); 99. anychat.UserCameraControl(-1, 1); // 打开本地视频 100. anychat.UserSpeakControl(-1, 1); // 打开本地音频 101. } else { 102. Toast.makeText(this, "进入房间失败,错误代码:" + dwErrorCode, Toast.LENGTH_SHORT).show(); 103. } 104. } 105. public void OnAnyChatOnlineUserMessage(int dwUserNum, int dwRoomId){ 106. if (dwRoomId == 1){ 107. int user[] = anychat.GetOnlineUser(); 108. if (user.length != 0){ 109. for (int i = 0; i < user.length; i++){ 110. userlist.add(user[i]+""); 111. } 112. String temp =userlist.get(0); 113. userid = Integer.parseInt(temp); 114. anychat.UserCameraControl(userid, 1);// 请求用户视频 115. anychat.UserSpeakControl(userid, 1); // 请求用户音频 116. } 117. else { 118. Toast.makeText(VideoChatActivity.this, "当前没有在线用户", Toast.LENGTH_SHORT).show(); 119. } 120. } 121. } 122. public void OnAnyChatUserAtRoomMessage(int dwUserId, boolean bEnter){ 123. if (bEnter) {//新用户进入房间 124. userlist.add(dwUserId+""); 125. } 126. else { //用户离开房间 127. if (dwUserId == userid) 128. { 129. Toast.makeText(VideoChatActivity.this, "视频用户已下线", Toast.LENGTH_SHORT).show(); 130. anychat.UserCameraControl(userid, 0);// 关闭用户视频 131. anychat.UserSpeakControl(userid, 0); // 关闭用户音频 132. userlist.remove(userid+""); //移除该用户 133. if (userlist.size() != 0) 134. { 135. String temp =userlist.get(0); 136. userid = Integer.parseInt(temp); 137. anychat.UserCameraControl(userid, 1);// 请求其他用户视频 138. anychat.UserSpeakControl(userid, 1); // 请求其他用户音频 139. } 140. } 141. else { 142. userlist.remove(dwUserId+""); //移除该用户 143. } 144. } 145. } 146. public void OnAnyChatLinkCloseMessage(int dwErrorCode){ 147. Toast.makeText(VideoChatActivity.this, "连接关闭,error:" + dwErrorCode, Toast.LENGTH_SHORT).show(); 148. } 149. @Override 150. protected void onDestroy(){ //程序退出 151. anychat.LeaveRoom(-1); //离开房间 152. anychat.Logout(); //注销登录 153. anychat.Release(); //释放资源 154. mTimer.cancel(); 155. super.onDestroy(); 156. } 157. // 根据配置文件配置视频参数 158. private void ApplyVideoConfig(){ 159. if (configEntity.configMode == 1) // 自定义视频参数配置 160. { 161. // 设置本地视频编码的码率(如果码率为0,则表示使用质量优先模式) 162. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_BITRATECTRL,configEntity.videoBitrate); 163. if (configEntity.videoBitrate == 0) 164. { 165. // 设置本地视频编码的质量 166. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_QUALITYCTRL,configEntity.videoQuality); 167. } 168. // 设置本地视频编码的帧率 169. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_FPSCTRL,configEntity.videoFps); 170. // 设置本地视频编码的关键帧间隔 171. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_GOPCTRL,configEntity.videoFps * 4); 172. // 设置本地视频采集分辨率 173. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_WIDTHCTRL,configEntity.resolution_width); 174. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_HEIGHTCTRL,configEntity.resolution_height); 175. // 设置视频编码预设参数(值越大,编码质量越高,占用CPU资源也会越高) 176. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_PRESETCTRL,configEntity.videoPreset); 177. } 178. // 让视频参数生效 179. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_APPLYPARAM,configEntity.configMode); 180. // P2P设置 181. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_NETWORK_P2PPOLITIC,configEntity.enableP2P); 182. // 本地视频Overlay模式设置 183. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_OVERLAY,configEntity.videoOverlay); 184. // 回音消除设置 185. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_AUDIO_ECHOCTRL,configEntity.enableAEC); 186. // 平台硬件编码设置 187. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_CORESDK_USEHWCODEC,configEntity.useHWCodec); 188. // 视频旋转模式设置 189. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_ROTATECTRL,configEntity.videorotatemode); 190. // 视频平滑播放模式设置 191. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_STREAM_SMOOTHPLAYMODE,configEntity.smoothPlayMode); 192. // 视频采集驱动设置 193. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_CAPDRIVER,configEntity.videoCapDriver); 194. // 本地视频采集偏色修正设置 195. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_LOCALVIDEO_FIXCOLORDEVIA,configEntity.fixcolordeviation); 196. // 视频显示驱动设置 197. anychat.SetSDKOptionInt(AnyChatDefine.BRAC_SO_VIDEOSHOW_DRIVERCTRL,configEntity.videoShowDriver); 198. } 199.}