Flash视频播放器常用的onMetaData参数信息说明
摘要：onMetaData例子1nets.onMetaData=function(metadata){trace('onMetaDataevent...
onMetaData
例子1
| nets.onMetaData=function(metadata){ trace('onMetaDataeventat'+nets.time); trace('duration:'+metadata.duration+newline+ 'lasttimestamp:'+metadata.lasttimestamp+newline+ 'lastkeyframetimestamp:'+metadata.lastkeyframetimestamp+newline+ 'width:'+metadata.width+newline+ 'height:'+metadata.height+newline+ 'videodatarate:'+metadata.videodatarate+newline+ 'audiodatarate:'+metadata.audiodatarate+newline+ 'framerate:'+metadata.framerate+newline+ 'creationdate:'+metadata.creationdate+newline+ 'filesize:'+metadata.filesize+newline+ 'videosize:'+metadata.videosize+newline+ 'audiosize:'+metadata.audiosize+newline+ 'datasize:'+metadata.datasize+newline+ 'metadatacreator:'+metadata.metadatacreator+newline+ 'metadatadate:'+metadata.metadatadate ); trace('audiocodecid:'+metadata.audiocodecid+newline+ 'videocodecid:'+metadata.videocodecid+newline+ 'audiodelay:'+metadata.audiodelay+newline+ 'canseektoend:'+metadata.canSeekToEnd); trace('cuePoints:'); for(n=0;n<metadata.cuePoints.length;n++){ cp=metadata.cuePoints[n]; trace(''+cp.time+'"'+cp.name+'"('+cp.type+')'); if(cp.parameters!=undefined){ trace('parameters:'); for(paramNameincp.parameters){ trace('"'+paramName+'"="'+cp.parameters[paramName]+'"'); } } } trace('custommetadata:'); for(paramNameinmetadata.custommetadata){ trace('"'+paramName+'"="'+metadata.custommetadata[paramName]+'"'); } trace('keyframes:'); fp=metadata.keyframes.filepositions; ti=metadata.keyframes.times; for(n=0;n<fp.length;n++){ trace('fileposition:'+fp[n]+'time:'+ti[n]); } } |
实例2
| nets.onMetaData=function(metadata){ varlevel; functionlevelStr(level){ s=''; for(n=0;n<level;n++){ss=s+''}; return(s); } functiontraceThis(x){ level++; for(yinx){ switch(typeof(x[y])){ case'object': trace(levelStr(level)+y+':'); traceThis(x[y]); break; default: trace(levelStr(level)+y+'='+x[y]); break; } } level--; } level=0; traceThis(metadata); } |
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RTMP协议与RTMP视频播放器的应用