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Flash视频播放器常用的onMetaData参数信息说明

网友: 文章列表 2025-09-19 19:48:59

Flash视频播放器常用的onMetaData参数信息说明

onMetaData

例子1

  1. nets.onMetaData = function(metadata){
  3. trace(\'onMetaData event at \'+nets.time);
  5. trace(\' duration: \'+metadata.duration+newline+
  6. \' lasttimestamp: \'+metadata.lasttimestamp+newline+
  7. \' lastkeyframetimestamp: \'+metadata.lastkeyframetimestamp+newline+
  8. \' width: \'+metadata.width+newline+
  9. \' height: \'+metadata.height+newline+
  10. \' videodatarate: \'+metadata.videodatarate+newline+
  11. \' audiodatarate: \'+metadata.audiodatarate+newline+
  12. \' framerate: \'+metadata.framerate+newline+
  13. \' creationdate: \'+metadata.creationdate+newline+
  14. \' filesize: \'+metadata.filesize+newline+
  15. \' videosize: \'+metadata.videosize+newline+
  16. \' audiosize: \'+metadata.audiosize+newline+
  17. \' datasize: \'+metadata.datasize+newline+
  18. \' metadatacreator: \'+metadata.metadatacreator+newline+
  19. \' metadatadate: \'+metadata.metadatadate
  20. );
  22. trace(\' audiocodecid: \'+metadata.audiocodecid+newline+
  23. \' videocodecid: \'+metadata.videocodecid+newline+
  24. \' audiodelay: \'+metadata.audiodelay+newline+
  25. \' canseektoend: \'+metadata.canSeekToEnd);
  26. trace(\' cuePoints:\');
  27. for (n=0; n<metadata.cuePoints.length; n++) {
  28. cp = metadata.cuePoints[n];
  29. trace(\' \'+cp.time+\' \"\'+cp.name+\'\" (\'+cp.type+\')\');
  30. if (cp.parameters != undefined) {
  31. trace(\' parameters: \');
  32. for (paramName in cp.parameters) {
  33. trace(\' \"\'+paramName+\'\" = \"\'+cp.parameters[paramName]+\'\"\');
  34. }
  35. }
  36. }
  38. trace(\' custommetadata:\');
  39. for (paramName in metadata.custommetadata) {
  40. trace(\' \"\'+paramName+\'\" = \"\'+metadata.custommetadata[paramName]+\'\"\');
  41. }
  42. trace(\' keyframes:\');
  43. fp=metadata.keyframes.filepositions;
  44. ti=metadata.keyframes.times;
  45. for (n=0; n<fp.length; n++){
  46. trace(\' fileposition: \'+fp[n]+\' time: \'+ti[n]);
  47. }
  48. }

实例2

  1. nets.onMetaData = function(metadata){
  3. var level;
  4. function levelStr(level){
  5. s=\'\';
  6. for (n=0;n<level;n++){ss=s+\' \'};
  7. return(s);
  8. }
  9. function traceThis(x){
  10. level++;
  11. for (y in x){
  12. switch (typeof(x[y])) {
  13. case \'object\':
  14. trace(levelStr(level)+y+\' : \');
  15. traceThis(x[y]);
  16. break;
  17. default:
  18. trace(levelStr(level)+y+\' = \'+x[y]);
  19. break;
  20. }
  21. }
  22. level--;
  23. }
  24. level=0;
  25. traceThis(metadata);
  27. }
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