public void run() { if (Thread.currentThread() != this) { throw new IllegalStateException("not this thread"); } try { SyncState syncState = this.oggSyncState = new SyncState(); while (in != null) { int off = syncState.buffer(BUFFER_SIZE); int n = in.read(syncState.data, off, BUFFER_SIZE); if (n > 0) { syncState.wrote(n); pageOut(); } else { break; } } } catch (EOFException e) { } catch (IOException e) { failure = e; e.printStackTrace(); } finally { try { if (in != null) { in.close(); in = null; } } catch (IOException e) { if (failure != null) { failure = e; } e.printStackTrace(); } if (out != null) { out.stop(); out.close(); } if (vorbisBlock != null) { vorbisBlock.clear(); vorbisBlock = null; } if (vorbisDspState != null) { vorbisDspState.clear(); vorbisDspState = null; } if (vorbisInfo != null) { vorbisInfo.clear(); vorbisInfo = null; } if (oggStreamState != null) { oggStreamState.clear(); oggStreamState = null; } if (oggSyncState != null) { oggSyncState.clear(); oggSyncState = null; } synchronized (this) { notifyAll(); } } }
/* * Taken from the JOrbis Player */ private void playStream(Thread me) throws InternalException { boolean chained = false; initJOrbis(); while (true) { if (checkState()) { return; } int eos = 0; int index = oy.buffer(BUFSIZE); buffer = oy.data; try { bytes = bitStream.read(buffer, index, BUFSIZE); } catch (Exception e) { throw new InternalException(e); } oy.wrote(bytes); if (chained) { chained = false; } else { if (oy.pageout(og) != 1) { if (bytes < BUFSIZE) break; throw new InternalException("Input does not appear to be an Ogg bitstream."); } } os.init(og.serialno()); os.reset(); vi.init(); vc.init(); if (os.pagein(og) < 0) { // error; stream version mismatch perhaps throw new InternalException("Error reading first page of Ogg bitstream data."); } if (os.packetout(op) != 1) { // no page? must not be vorbis throw new InternalException("Error reading initial header packet."); } if (vi.synthesis_headerin(vc, op) < 0) { // error case; not a vorbis header throw new InternalException("This Ogg bitstream does not contain Vorbis audio data."); } int i = 0; while (i < 2) { while (i < 2) { if (checkState()) { return; } int result = oy.pageout(og); if (result == 0) break; // Need more data if (result == 1) { os.pagein(og); while (i < 2) { result = os.packetout(op); if (result == 0) break; if (result == -1) { throw new InternalException("Corrupt secondary header. Exiting."); } vi.synthesis_headerin(vc, op); i++; } } } index = oy.buffer(BUFSIZE); buffer = oy.data; try { bytes = bitStream.read(buffer, index, BUFSIZE); } catch (Exception e) { throw new InternalException(e); } if (bytes == 0 && i < 2) { throw new InternalException("End of file before finding all Vorbis headers!"); } oy.wrote(bytes); } convsize = BUFSIZE / vi.channels; vd.synthesis_init(vi); vb.init(vd); float[][][] _pcmf = new float[1][][]; int[] _index = new int[vi.channels]; getOutputLine(vi.channels, vi.rate); while (eos == 0) { while (eos == 0) { if (player != me) { return; } int result = oy.pageout(og); if (result == 0) break; // need more data if (result == -1) { // missing or corrupt data at this page // position // System.err.println("Corrupt or missing data in // bitstream; // continuing..."); } else { os.pagein(og); if (og.granulepos() == 0) { // chained = true; // eos = 1; // break; // } // while (true) { if (checkState()) { return; } result = os.packetout(op); if (result == 0) break; // need more data if (result == -1) { // missing or corrupt data at // this page position // no reason to complain; already complained // above // System.err.println("no reason to complain; // already complained above"); } else { // we have a packet. Decode it int samples; if (vb.synthesis(op) == 0) { // test for // success! vd.synthesis_blockin(vb); } while ((samples = vd.synthesis_pcmout(_pcmf, _index)) > 0) { if (checkState()) { return; } float[][] pcmf = _pcmf[0]; int bout = (samples < convsize ? samples : convsize); // convert doubles to 16 bit signed ints // (host order) and // interleave for (i = 0; i < vi.channels; i++) { int ptr = i * 2; // int ptr=i; int mono = _index[i]; for (int j = 0; j < bout; j++) { int val = (int) (pcmf[i][mono + j] * 32767.); if (val > 32767) { val = 32767; } if (val < -32768) { val = -32768; } if (val < 0) val = val | 0x8000; convbuffer[ptr] = (byte) (val); convbuffer[ptr + 1] = (byte) (val >>> 8); ptr += 2 * (vi.channels); } } outputLine.write(convbuffer, 0, 2 * vi.channels * bout); vd.synthesis_read(bout); } } } if (og.eos() != 0) eos = 1; } } if (eos == 0) { index = oy.buffer(BUFSIZE); buffer = oy.data; try { bytes = bitStream.read(buffer, index, BUFSIZE); } catch (Exception e) { throw new InternalException(e); } if (bytes == -1) { break; } oy.wrote(bytes); if (bytes == 0) eos = 1; } } os.clear(); vb.clear(); vd.clear(); vi.clear(); } oy.clear(); }