{"id":611,"date":"2009-11-02T16:57:14","date_gmt":"2009-11-02T08:57:14","guid":{"rendered":"http:\/\/test999.eblhost.com\/blog\/?p=611"},"modified":"2010-02-26T20:56:31","modified_gmt":"2010-02-26T12:56:31","slug":"minim%ef%bc%9a%e5%8f%af%e6%92%ad%e6%94%be%e7%9a%84%ef%bc%88playable%ef%bc%89","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=611","title":{"rendered":"Minim\uff1a\u53ef\u64ad\u653e\u7684\uff08Playable\uff09"},"content":{"rendered":"

[ javadoc<\/a> | \u5728\u7ebf\u5b9e\u4f8b<\/a> ]<\/p>\n

\u5f88\u7b80\u5355\uff0c\u5c31\u662fCD\u5531\u673a\u7684\u529f\u80fd\u3002<\/p>\n

\u64ad\u653e\u4e0e\u6682\u505c<\/strong><\/p>\n

\u624b\u518c\u539f\u6587\u8bf4\u4e86\u4e00\u5927\u5806\uff0c\u57fa\u672c\u90fd\u662f\u5e9f\u8bdd\uff08\u5176\u5b9e\u6211\u65e9\u53d1\u73b0\u8fd9\u54e5\u4eec\u5e9f\u8bdd\u591a\u4e86\uff09\uff0c\u64ad\u653e\u4e0e\u6682\u505c\u662f\u4ec0\u4e48\u73a9\u610f\uff0c\u6ca1\u6709\u4e0d\u61c2\u7684\u5427\uff1f<\/p>\n

\u793a\u8303\u4ee3\u7801\uff08\u5728\u7ebf\u5b9e\u4f8b<\/a>\uff09<\/p>\n

import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioPlayer groove;\r\nWaveformRenderer waveform;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 200, P3D);\r\n\r\n  minim = new Minim(this);\r\n  groove = minim.loadFile(\"groove.mp3\", 2048);\r\n\r\n  waveform = new WaveformRenderer();\r\n  \/\/ see the example Recordable >> addListener for more about this\r\n  groove.addListener(waveform);\r\n\r\n  textFont(createFont(\"Arial\", 12));\r\n  textMode(SCREEN);\r\n}\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  \/\/ see waveform.pde for an explanation of how this works\r\n  waveform.draw();\r\n\r\n  if ( groove.isPlaying() )\r\n  {\r\n    text(\"The player is playing.\", 5, 15);\r\n  }\r\n  else\r\n  {\r\n    text(\"The player is not playing.\", 5, 15);\r\n  }\r\n}\r\n\r\nvoid keyPressed()\r\n{\r\n  if ( key == 'l' )\r\n  {\r\n    groove.loop(1);\r\n  }\r\n  if ( key == 'p' )\r\n  {\r\n    groove.play();\r\n  }\r\n  if ( key == 's' )\r\n  {\r\n    groove.pause();\r\n  }\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  groove.close();\r\n  \/\/ always stop Minim before exiting.\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n
\u91cd\u7f6e<\/strong><\/p>\n
rewind()\u5c06\u4f7f\u4f60\u7684\u64ad\u653e\u5934\u56de\u5230\u58f0\u97f3\u6700\u521d\uff0c\u5b83\u4e0d\u4f1a\u6539\u53d8playable\u7684\u5c5e\u6027\uff0c\u5373\uff0c\u5982\u679c\u4f60\u4e4b\u524d\u8bbe\u4e3a\u5faa\u73af\u64ad\u653e\uff0c\u5219rewind\u4e4b\u540e\u4ecd\u7136\u662f\u5faa\u73af\u64ad\u653e\u3002<\/p>\n
import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioPlayer groove;\r\nWaveformRenderer waveform;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 200, P3D);\r\n\r\n  minim = new Minim(this);\r\n  groove = minim.loadFile(\"groove.mp3\", 2048);\r\n  groove.loop();\r\n\r\n  waveform = new WaveformRenderer();\r\n  \/\/ see the example Recordable >> addListener for more about this\r\n  groove.addListener(waveform);\r\n}\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  \/\/ see waveform.pde for an explanation of how this works\r\n  waveform.draw();\r\n}\r\n\r\nvoid keyPressed()\r\n{\r\n  if ( key == 'r' ) groove.rewind();\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  groove.close();\r\n  \/\/ always stop Minim before exiting.\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n
\u5faa\u73af<\/strong><\/p>\n
void loop()\r\nvoid loop(int numLoops)<\/pre>\n
\u6ca1\u5f15\u6570\u7684\u5c06\u65e0\u9650\u5faa\u73af\uff0c\u5f15\u6570\u4e3a\u5faa\u73af\u6b21\u6570\uff0c\u8bb0\u5f97\u5faa\u73af1\u6b21\uff0c\u5219\u97f3\u9891\u5c06\u88ab\u64ad\u653e2\u6b21\uff0c\u5faa\u73af2\u6b21\uff0c\u97f3\u9891\u64ad\u653e3\u6b21\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528isLooping()\u68c0\u67e5\u4e00\u4e2a\u58f0\u97f3\u662f\u5426\u88ab\u8bbe\u4e3a\u4e86\u5faa\u73af\u64ad\u653e\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528loopCount()\u4fa6\u6d4b\u5269\u4f59\u5faa\u73af\u7684\u6b21\u6570\u3002\u5982\u679c\u4f60\u5728\u58f0\u97f3\u5faa\u73af\u6b21\u6570\u4e4b\u524d\u547c\u53eb\u4e86play()\u5219\u5269\u4f59\u7684\u5faa\u73af\u547d\u4ee4\u5c06\u88ab\u53d6\u6d88\uff0c\u6b4c\u66f2\u4ece\u5934\u64ad\u653e\u5230\u5c3e\u7136\u540e\u505c\u6b62\u3002\u8fd9\u5728\u4f60\u60f3\u53d6\u6d88\u5faa\u73af\u800c\u4e0d\u60f3\u4e2d\u9014\u5207\u65ad\u58f0\u97f3\u65f6\u5f88\u6709\u6548\u3002<\/p>\n
import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioPlayer groove;\r\nWaveformRenderer waveform;\r\nint loopcount;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 200, P3D);\r\n\r\n  minim = new Minim(this);\r\n  groove = minim.loadFile(\"groove.mp3\", 2048);\r\n\r\n  waveform = new WaveformRenderer();\r\n  \/\/ see the example Recordable >> addListener for more about this\r\n  groove.addListener(waveform);\r\n\r\n  textFont(createFont(\"Arial\", 12));\r\n  textMode(SCREEN);\r\n}\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  \/\/ see waveform.pde for an explanation of how this works\r\n  waveform.draw();\r\n\r\n  text(\"The player has \" + groove.loopCount() + \" loops left. Is playing: \" + groove.isPlaying() + \", Is looping: \" + groove.isLooping(), 5, 15);\r\n}\r\n\r\nvoid keyPressed()\r\n{\r\n  String keystr = String.valueOf(key);\r\n  int num = int(keystr);\r\n  if ( num > 0 && num < 10 )\r\n  {\r\n    groove.loop(num);\r\n    loopcount = num;\r\n  }\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  groove.close();\r\n  \/\/ always stop Minim before exiting.\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n
\u5faa\u73af\u70b9<\/strong><\/p>\n
\u4f60\u53ef\u4ee5\u547c\u53ebsetLoopPoints(int start, int stop)\u4ee5\u5faa\u73afPlayable\u5bf9\u8c61\u7684\u4e00\u90e8\u5206\uff0cstart\u548cstop\u662f\u4ee5\u6beb\u79d2\u8868\u8ff0\u7684\u65f6\u95f4\uff0c\u8fd9\u5728AudioSnippet\u91cc\u4f7f\u7528\u662f\u6700\u597d\u7684\uff0c\u56e0\u4e3a\u66f2\u5b50\u5df2\u7ecf\u5b9e\u73b0\u8bfb\u5165\u4e86\u5185\u5b58\uff0c\u800c\u5728AudioPlayer\u4e2d\uff0c\u5219\u4f1a\u6709\u53ef\u5bdf\u89c9\u7684\u6ede\u540e\uff0c\u5c24\u4ee5mp3\u6587\u4ef6\u660e\u663e\u3002<\/p>\n
import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioSnippet snip;\r\n\r\nint loopBegin;\r\nint loopEnd;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 200, P3D);\r\n  textMode(SCREEN);\r\n  minim = new Minim(this);\r\n  snip = minim.loadSnippet(\"groove.mp3\");\r\n  snip.loop();\r\n\r\n  textFont(loadFont(\"ArialMT-14.vlw\"));\r\n}\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  fill(255);\r\n  text(\"Loop Count: \" + snip.loopCount(), 5, 20);\r\n  text(\"Looping: \" + snip.isLooping(), 5, 40);\r\n  text(\"Playing: \" + snip.isPlaying(), 5, 60);\r\n  int p = snip.position();\r\n  int l = snip.length();\r\n  text(\"Position: \" + p, 5, 80);\r\n  text(\"Length: \" + l, 5, 100);\r\n  float x = map(p, 0, l, 0, width);\r\n  stroke(255);\r\n  line(x, height\/2 - 50, x, height\/2 + 50);\r\n  float lbx = map(loopBegin, 0, snip.length(), 0, width);\r\n  float lex = map(loopEnd, 0, snip.length(), 0, width);\r\n  stroke(0, 255, 0);\r\n  line(lbx, 0, lbx, height);\r\n  stroke(255, 0, 0);\r\n  line(lex, 0, lex, height);\r\n}\r\n\r\nvoid mousePressed()\r\n{\r\n  int ms = (int)map(mouseX, 0, width, 0, snip.length());\r\n  if ( mouseButton == RIGHT )\r\n  {\r\n    snip.setLoopPoints(loopBegin, ms);\r\n    loopEnd = ms;\r\n  }\r\n  else\r\n  {\r\n    snip.setLoopPoints(ms, loopEnd);\r\n    loopBegin = ms;\r\n  }\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  snip.close();\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n
Cueing<\/strong>\uff08\u62b1\u6b49\u6211\u5b9e\u5728\u4e0d\u77e5\u9053\u8fd9\u8bcd\u513f\u600e\u4e48\u7ffb\uff09<\/p>\n
import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioPlayer groove;\r\nWaveformRenderer waveform;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 200, P3D);\r\n\r\n  minim = new Minim(this);\r\n  groove = minim.loadFile(\"groove.mp3\", 2048);\r\n  groove.loop();\r\n\r\n  waveform = new WaveformRenderer();\r\n  \/\/ see the example Recordable >> addListener for more about this\r\n  groove.addListener(waveform);\r\n}\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  \/\/ see waveform.pde for an explanation of how this works\r\n  waveform.draw();\r\n}\r\n\r\nvoid keyPressed()\r\n{\r\n  if ( key == 'c' )\r\n  {\r\n    groove.cue(5000);\r\n  }\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  groove.close();\r\n  \/\/ always stop Minim before exiting.\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n
\u5feb\u9000\u5feb\u8fdb<\/strong><\/p>\n
skip(100)\uff1a\u5feb\u8fdb100\u6beb\u79d2\uff0cskip(-200)\uff1a\u5feb\u9000200\u6beb\u79d2\u3002\u5982\u679c\u6587\u4ef6\u6ca1\u6709\u5904\u4e8e\u64ad\u653e\u72b6\u6001\uff0c\u5219\u5feb\u8fdb\u5feb\u9000\u4e0d\u4f1a\u89e6\u53d1\u64ad\u653e\u3002\u5982\u679c\u5feb\u8fdb\u5feb\u9000\u51fa\u73b0\u9519\u8bef\uff0c\u64ad\u653e\u5934\u5c06\u4e0d\u4f1a\u6539\u53d8\u4f4d\u7f6e\u3002\u5982\u679c\u5feb\u9000\u4f4d\u7f6e\u5c0f\u4e8e\u96f6\u6216\u5feb\u8fdb\u4f4d\u7f6e\u5927\u4e8e\u6b4c\u66f2\u957f\u5ea6\uff0c\u5219\u64ad\u653e\u5934\u5c06\u4f4d\u4e8e\u6587\u4ef6\u5934\u6216\u5c3e\u3002<\/p>\n
import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioPlayer groove;\r\nWaveformRenderer waveform;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 200, P3D);\r\n\r\n  minim = new Minim(this);\r\n  groove = minim.loadFile(\"groove.mp3\", 2048);\r\n  groove.loop();\r\n\r\n  waveform = new WaveformRenderer();\r\n  \/\/ see the example Recordable >> addListener for more about this\r\n  groove.addListener(waveform);\r\n}\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  \/\/ see waveform.pde for an explanation of how this works\r\n  waveform.draw();\r\n}\r\n\r\nvoid keyPressed()\r\n{\r\n  if ( key == 'f' )\r\n  {\r\n    groove.skip(100);\r\n  }\r\n  if ( key == 'r' )\r\n  {\r\n    groove.skip(-500);\r\n  }\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  groove.close();\r\n  \/\/ always stop Minim before exiting.\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n
\u4f4d\u7f6e\u548c\u957f\u5ea6<\/strong><\/p>\n
\u65b9\u6cd5position\u4ee5\u6beb\u79d2\u8fd4\u56de\u5f53\u524d\u64ad\u653e\u5934\u7684\u4f4d\u7f6e\u3002\u65b9\u6cd5length\u4ee5\u6beb\u79d2\u8fd4\u56de\u97f3\u9891\u6587\u4ef6\u7684\u957f\u5ea6\u3002\u4e0b\u4f8b\u7ed3\u5408\u4e86\u8fd9\u4e24\u79cd\u65b9\u6cd5\u5c06\u64ad\u653e\u5934\u4f4d\u7f6e\u89c6\u89c9\u5316\uff1a<\/p>\n
import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioPlayer groove;\r\nWaveformRenderer waveform;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 200, P3D);\r\n\r\n  minim = new Minim(this);\r\n  groove = minim.loadFile(\"groove.mp3\", 2048);\r\n\r\n  waveform = new WaveformRenderer();\r\n  \/\/ see the example Recordable >> addListener for more about this\r\n  groove.addListener(waveform);\r\n  groove.loop();\r\n}\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  \/\/ see waveform.pde for an explanation of how this works\r\n  waveform.draw();\r\n\r\n  float x = map(groove.position(), 0, groove.length(), 0, width);\r\n  stroke(255, 0, 0);\r\n  line(x, height\/2 - 30, x, height\/2 + 30);\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  groove.close();\r\n  \/\/ always stop Minim before exiting.\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n
\u97f3\u9891Meta\u6570\u636e<\/strong><\/p>\n
\u4f60\u53ef\u4ee5\u901a\u8fc7\u547c\u53ebgetMetaData()\u7531\u4e00\u4e2a\u97f3\u9891\u6587\u4ef6\u5f97\u5230\u4e00\u4e2aAudioMetaData\u5bf9\u8c61\u3002\u968f\u5373\uff0c\u4f60\u4fbf\u53ef\u4ee5\u547c\u53eb\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/code><\/p>\n
String album()\r\nString author()\r\nString comment()\r\nString composer()\r\nString copyright()\r\nString date()\r\nString disc()\r\nString encoded()\r\nString fileName()\r\nString genre()\r\nint length()\r\nString orchestra()\r\nString publisher()\r\nString title()\r\nint track()<\/pre>\n
\u5982\u679c\u6ca1\u6709\u4fe1\u606f\u53ef\u7528\uff0c\u4ee5\u4e0a\u65b9\u6cd5\u5c06\u8fd4\u56de\u4e00\u4e2a\u7a7a\u7684\u5217\u6216-1\uff0c\u57fa\u4e8e\u8fd4\u56de\u7c7b\u578b\u3002<\/p>\n
import ddf.minim.*;\r\n\r\nMinim minim;\r\nAudioPlayer groove;\r\nAudioMetaData meta;\r\n\r\nvoid setup()\r\n{\r\n  size(512, 256, P3D);\r\n\r\n  minim = new Minim(this);\r\n  groove = minim.loadFile(\"groove.mp3\");\r\n  meta = groove.getMetaData();\r\n\r\n  textFont( loadFont(\"serif.vlw\") );\r\n  textMode(SCREEN);\r\n}\r\n\r\nint ys = 15;\r\nint yi = 15;\r\n\r\nvoid draw()\r\n{\r\n  background(0);\r\n  int y = ys;\r\n  text(\"File Name: \" + meta.fileName(), 5, y);\r\n  text(\"Length (in milliseconds): \" + meta.length(), 5, y+=yi);\r\n  text(\"Title: \" + meta.title(), 5, y+=yi);\r\n  text(\"Author: \" + meta.author(), 5, y+=yi);\r\n  text(\"Album: \" + meta.album(), 5, y+=yi);\r\n  text(\"Date: \" + meta.date(), 5, y+=yi);\r\n  text(\"Comment: \" + meta.comment(), 5, y+=yi);\r\n  text(\"Track: \" + meta.track(), 5, y+=yi);\r\n  text(\"Genre: \" + meta.genre(), 5, y+=yi);\r\n  text(\"Copyright: \" + meta.copyright(), 5, y+=yi);\r\n  text(\"Disc: \" + meta.disc(), 5, y+=yi);\r\n  text(\"Composer: \" + meta.composer(), 5, y+=yi);\r\n  text(\"Orchestra: \" + meta.orchestra(), 5, y+=yi);\r\n  text(\"Publisher: \" + meta.publisher(), 5, y+=yi);\r\n  text(\"Encoded: \" + meta.encoded(), 5, y+=yi);\r\n}\r\n\r\nvoid stop()\r\n{\r\n  \/\/ always close Minim audio classes when you are done with them\r\n  groove.close();\r\n  \/\/ always stop Minim before exiting\r\n  minim.stop();\r\n\r\n  super.stop();\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
[ javadoc | \u5728\u7ebf\u5b9e\u4f8b ] \u5f88\u7b80\u5355\uff0c\u5c31\u662fCD\u5531\u673a\u7684\u529f\u80fd\u3002 \u64ad\u653e\u4e0e\u6682\u505c \u624b\u518c\u539f\u6587\u8bf4\u4e86\u4e00\u5927\u5806\uff0c\u57fa\u672c\u90fd\u662f\u5e9f\u8bdd\uff08\u5176\u5b9e\u6211\u65e9\u53d1\u73b0\u8fd9\u54e5\u4eec\u5e9f\u8bdd\u591a\u4e86\uff09\uff0c\u64ad\u653e\u4e0e\u6682\u505c\u662f\u4ec0\u4e48\u73a9\u610f\uff0c\u6ca1\u6709\u4e0d\u61c2\u7684\u5427\uff1f \u793a\u8303\u4ee3\u7801\uff08\u5728\u7ebf\u5b9e\u4f8b\uff09 import ddf.minim.*; Minim minim; AudioPlayer groove; WaveformRenderer waveform; void setup() { size(512, 200, P3D); minim = new Minim(this); groove = minim.loadFile(“groove.mp3”, 2048); waveform = new WaveformRenderer(); \/\/ see the example Recordable >> addListener for more about this groove.addListener(waveform); textFont(createFont(“Arial”, 12)); textMode(SCREEN); } void draw() { background(0); […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[61],"class_list":["post-611","post","type-post","status-publish","format-standard","hentry","category-minim","tag-minim"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=611"}],"version-history":[{"count":3,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/611\/revisions"}],"predecessor-version":[{"id":613,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=\/wp\/v2\/posts\/611\/revisions\/613"}],"wp:attachment":[{"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn.travelchinawith.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}