喘JAVA糞?産喝謹?殻涙怦毘響函垓殻猟周 - 園殻秘壇利
作者 佚名技术
来源 NET编程
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发布时间 2012-06-15
| private static final int MAX_WRITER = 8; private static long file_pointer; private static int read_pos; private static int fill_bytes; private static byte[] buf; //揖扮匆恬響亟揖化 迄:buf.wait()/buf.notify() private static int[] buf_bytes; private static int buf_index; private static int alloc_pos; private static URL url = null; private static boolean isalive = true; private static int writer_count; private static int await_count; private long file_length; private long frame_bytes; public BuffRandAcceURL(String sURL) throws Exception { this(sURL,MAX_WRITER); } public BuffRandAcceURL(String sURL, int download_threads) throws Exception { buf = new byte[BUF_LENGTH]; buf_bytes = new int[UNIT_COUNT]; url = new URL(sURL); //幹秀?殻參呟化圭塀盾裂ID3 new TagThread(url); //嬉咫輝念猟周兆 try { String s = URLDecoder.decode(sURL, "GBK"); System.out.println("start>> " + s.substring(s.lastIndexOf("/") + 1)); s = null; } catch (Exception e) { System.out.println("start>> " + sURL); } //幹秀"亟"?殻 for(int i = 0; i < download_threads; i++) new Writer(this, url, buf, i+1); frame_bytes = file_length = HttpReader.getContentLength(); if(file_length == 0) { Header.strLastErr = "銭俊URL竃危?嶷編 " + HttpReader.MAX_RETRY + " 肝朔慧虹。"; throw new Exception("retry " + HttpReader.MAX_RETRY); } writer_count = download_threads; //産喝 try_cache(); //柳狛ID3 v2 MP3Tag mP3Tag = new MP3Tag(); int v2_size = mP3Tag.checkID3V2(buf,0); if (v2_size > 0) { frame_bytes -= v2_size; //seek(v2_size): fill_bytes -= v2_size; file_pointer = v2_size; read_pos = v2_size; read_pos &= BUF_LENGTH_MASK; int units = v2_size >> UNIT_LENGTH_BITS; for(int i = 0; i < units; i++) { |
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