vini123

博客园 首页 新随笔 联系 订阅 管理
FMS 音频质量的稍微提高

直接贴出部分源码：

  1 package 
  2 {
  3     import flash.display.Sprite;
  4     import flash.events.NetStatusEvent;
  5     import flash.net.NetConnection;
  6     import flash.net.NetStream;
  7     import flash.media.Microphone;
  8     import flash.media.SoundCodec;
  9 
 10     public class Main extends Sprite
 11     {
 12         private var nc:NetConnection;
 13         private var nsAudio:NetStream;
 14         private var nsVideo:NetStream;
 15         private var nsPlayVideo:NetStream;
 16         private var nsPlayAudio:NetStream;
 17 
 18         public function Main():void
 19         {
 20             nc=new NetConnection();
 21             nc.client = this;
 22             nc.addEventListener(NetStatusEvent.NET_STATUS,netStatusHandler);
 23             nc.connect("rtmp://localhost/TestAudioMore","我心空");
 24         }
 25 
 26         private function netStatusHandler(e:NetStatusEvent)
 27         {
 28             var code:String = e.info.code;
 29             switch (code)
 30             {
 31                 case "NetConnection.Connect.Success" :
 32                     publishAudio(0);
 33                     break;
 34                 default :
 35                     break;
 36             }
 37         }
 38 
 39         //分别发布音频，视频
 40         private function publishAudio(id)
 41         {
 42             if (nsAudio==null)
 43             {
 44                 nsAudio = new NetStream(nc);
 45                 nsAudio.client = this;
 46                 nsAudio.bufferTime = 2;
 47                 var mic:Microphone = Microphone.getMicrophone();
 48                 if (mic!=null)
 49                 {
 50                     mic.codec = SoundCodec.SPEEX;
 51                     mic.encodeQuality = 4;
 52                     mic.noiseSuppressionLevel = 0;
 53                     mic.setSilenceLevel(10,1000);
 54                     mic.setUseEchoSuppression(true);
 55                     mic.setLoopBack(false);
 56                     mic.gain = 50;
 57                     nsAudio.attachAudio(mic);
 58                 }
 59                 nsAudio.publish("audio"+id,"live");
 60             }
 61         }
 62 
 63         private function publishVideo(id)
 64         {
 65             if (nsVideo==null)
 66             {
 67                 nsVideo=new NetStream();
 68                 nsVideo.client = this;
 69                 nsVideo.bufferTime = 2;
 70                 var cam:Camera = Camera.getCamera();
 71                 if (cam!=null)
 72                 {
 73                     cam.setQuality(0,80);
 74                     cam.setMode(160,130,7);
 75                     nsVideo.attachCamera(cam);
 76                 }
 77                 nsVideo.publish("video"+id,"live");
 78             }
 79         }
 80         
 81         //分别播放视频音频
 82         
 83         private function playVideo(id)
 84         {
 85             clearVideoStream();
 86             nsPlayVideo=new NetStream(nc);
 87             var vid:Video=new Video();
 88             vid.attachNetStream(nsPlayVideo);
 89             vid.width=240;
 90             vid.height=150;
 91             addChild(vid);
 92             nsPlayVideo.play("video"+id);
 93         }
 94 
 95         /**
 96         *清除视频
 97         */
 98         private function clearVideoStream(clearPublish:Boolean=false)
 99         {
100             if (nsPlayVideo)
101             {
102                 nsPlayVideo.close();
103                 nsPlayVideo = null;
104             }
105 
106             if (nsVideo&&clearPublish)
107             {
108                 nsVideo.close();
109                 nsVideo = null;
110             }
111         }
112 
113         /**
114         *清除音频
115         */
116         private function clearAudioStream(clearPublish:Boolean=false)
117         {
118             if (nsPlayAudio)
119             {
120                 nsPlayAudio.close();
121                 nsPlayAudio = null;
122             }
123 
124             if (nsAudio&&clearPublish)
125             {
126                 nsAudio.close();
127                 nsAudio = null;
128             }
129         }
130 
131         public function Welcome(str)
132         {
133             trace(str,",欢迎你的到来。义无反顾，彻底的放下心扉");
134         }
135 
136     }
137 }

 

通讯文件main.asc

1 application.onConnect=function(newClient,aname)
2 {
3     application.acceptConnection(newClient);
4     
5     newClient.call("Welcome",null,aname);
6 }
posted on 2012-08-06 09:30  黑夜丶残枫  阅读(385)  评论(0)    收藏  举报