Improved export system

src/it/sauronsoftware/jave/AudioAttributes.java

@@ -0,0 +1,182 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.Serializable;
+
+/**
+ * Attributes controlling the audio encoding process.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class AudioAttributes implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * This value can be setted in the codec field to perform a direct stream
+	 * copy, without re-encoding of the audio stream.
+	 */
+	public static final String DIRECT_STREAM_COPY = "copy";
+
+	/**
+	 * The codec name for the encoding process. If null or not specified the
+	 * encoder will perform a direct stream copy.
+	 */
+	private String codec = null;
+
+	/**
+	 * The bitrate value for the encoding process. If null or not specified a
+	 * default value will be picked.
+	 */
+	private Integer bitRate = null;
+
+	/**
+	 * The samplingRate value for the encoding process. If null or not specified
+	 * a default value will be picked.
+	 */
+	private Integer samplingRate = null;
+
+	/**
+	 * The channels value (1=mono, 2=stereo) for the encoding process. If null
+	 * or not specified a default value will be picked.
+	 */
+	private Integer channels = null;
+
+	/**
+	 * The volume value for the encoding process. If null or not specified a
+	 * default value will be picked. If 256 no volume change will be performed.
+	 */
+	private Integer volume = null;
+
+	/**
+	 * Returns the codec name for the encoding process.
+	 * 
+	 * @return The codec name for the encoding process.
+	 */
+	String getCodec() {
+		return codec;
+	}
+
+	/**
+	 * Sets the codec name for the encoding process. If null or not specified
+	 * the encoder will perform a direct stream copy.
+	 * 
+	 * Be sure the supplied codec name is in the list returned by
+	 * {@link Encoder#getAudioEncoders()}.
+	 * 
+	 * A special value can be picked from
+	 * {@link AudioAttributes#DIRECT_STREAM_COPY}.
+	 * 
+	 * @param codec
+	 *            The codec name for the encoding process.
+	 */
+	public void setCodec(String codec) {
+		this.codec = codec;
+	}
+
+	/**
+	 * Returns the bitrate value for the encoding process.
+	 * 
+	 * @return The bitrate value for the encoding process.
+	 */
+	Integer getBitRate() {
+		return bitRate;
+	}
+
+	/**
+	 * Sets the bitrate value for the encoding process. If null or not specified
+	 * a default value will be picked.
+	 * 
+	 * @param bitRate
+	 *            The bitrate value for the encoding process.
+	 */
+	public void setBitRate(Integer bitRate) {
+		this.bitRate = bitRate;
+	}
+
+	/**
+	 * Returns the samplingRate value for the encoding process.
+	 * 
+	 * @return the samplingRate The samplingRate value for the encoding process.
+	 */
+	Integer getSamplingRate() {
+		return samplingRate;
+	}
+
+	/**
+	 * Sets the samplingRate value for the encoding process. If null or not
+	 * specified a default value will be picked.
+	 * 
+	 * @param samplingRate
+	 *            The samplingRate value for the encoding process.
+	 */
+	public void setSamplingRate(Integer samplingRate) {
+		this.samplingRate = samplingRate;
+	}
+
+	/**
+	 * Returns the channels value (1=mono, 2=stereo) for the encoding process.
+	 * 
+	 * @return The channels value (1=mono, 2=stereo) for the encoding process.
+	 */
+	Integer getChannels() {
+		return channels;
+	}
+
+	/**
+	 * Sets the channels value (1=mono, 2=stereo) for the encoding process. If
+	 * null or not specified a default value will be picked.
+	 * 
+	 * @param channels
+	 *            The channels value (1=mono, 2=stereo) for the encoding
+	 *            process.
+	 */
+	public void setChannels(Integer channels) {
+		this.channels = channels;
+	}
+
+	/**
+	 * Returns the volume value for the encoding process.
+	 * 
+	 * @return The volume value for the encoding process.
+	 */
+	Integer getVolume() {
+		return volume;
+	}
+
+	/**
+	 * Sets the volume value for the encoding process. If null or not specified
+	 * a default value will be picked. If 256 no volume change will be
+	 * performed.
+	 * 
+	 * @param volume
+	 *            The volume value for the encoding process.
+	 */
+	public void setVolume(Integer volume) {
+		this.volume = volume;
+	}
+
+	public String toString() {
+		return getClass().getName() + "(codec=" + codec + ", bitRate="
+				+ bitRate + ", samplingRate=" + samplingRate + ", channels="
+				+ channels + ", volume=" + volume + ")";
+	}
+
+}

src/it/sauronsoftware/jave/AudioInfo.java

@@ -0,0 +1,137 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * Instances of this class report informations about an audio stream that can be
+ * decoded.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class AudioInfo {
+
+	/**
+	 * The audio stream decoder name.
+	 */
+	private String decoder;
+
+	/**
+	 * The audio stream sampling rate. If less than 0, this information is not
+	 * available.
+	 */
+	private int samplingRate = -1;
+
+	/**
+	 * The audio stream channels number (1=mono, 2=stereo). If less than 0, this
+	 * information is not available.
+	 */
+	private int channels = -1;
+
+	/**
+	 * The audio stream (average) bit rate. If less than 0, this information is
+	 * not available.
+	 */
+	private int bitRate = -1;
+
+	/**
+	 * Returns the audio stream decoder name.
+	 * 
+	 * @return The audio stream decoder name.
+	 */
+	public String getDecoder() {
+		return decoder;
+	}
+
+	/**
+	 * Sets the audio stream decoder name.
+	 * 
+	 * @param decoder
+	 *            The audio stream decoder name.
+	 */
+	void setDecoder(String format) {
+		this.decoder = format;
+	}
+
+	/**
+	 * Returns the audio stream sampling rate. If less than 0, this information
+	 * is not available.
+	 * 
+	 * @return The audio stream sampling rate.
+	 */
+	public int getSamplingRate() {
+		return samplingRate;
+	}
+
+	/**
+	 * Sets the audio stream sampling rate.
+	 * 
+	 * @param samplingRate
+	 *            The audio stream sampling rate.
+	 */
+	void setSamplingRate(int samplingRate) {
+		this.samplingRate = samplingRate;
+	}
+
+	/**
+	 * Returns the audio stream channels number (1=mono, 2=stereo). If less than
+	 * 0, this information is not available.
+	 * 
+	 * @return the channels The audio stream channels number (1=mono, 2=stereo).
+	 */
+	public int getChannels() {
+		return channels;
+	}
+
+	/**
+	 * Sets the audio stream channels number (1=mono, 2=stereo).
+	 * 
+	 * @param channels
+	 *            The audio stream channels number (1=mono, 2=stereo).
+	 */
+	void setChannels(int channels) {
+		this.channels = channels;
+	}
+
+	/**
+	 * Returns the audio stream (average) bit rate. If less than 0, this
+	 * information is not available.
+	 * 
+	 * @return The audio stream (average) bit rate.
+	 */
+	public int getBitRate() {
+		return bitRate;
+	}
+
+	/**
+	 * Sets the audio stream (average) bit rate.
+	 * 
+	 * @param bitRate
+	 *            The audio stream (average) bit rate.
+	 */
+	void setBitRate(int bitRate) {
+		this.bitRate = bitRate;
+	}
+
+	public String toString() {
+		return getClass().getName() + " (decoder=" + decoder + ", samplingRate="
+				+ samplingRate + ", channels=" + channels + ", bitRate="
+				+ bitRate + ")";
+	}
+
+}

src/it/sauronsoftware/jave/DefaultFFMPEGLocator.java

@@ -0,0 +1,141 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * The default ffmpeg executable locator, which exports on disk the ffmpeg
+ * executable bundled with the library distributions. It should work both for
+ * windows and many linux distributions. If it doesn't, try compiling your own
+ * ffmpeg executable and plug it in JAVE with a custom {@link FFMPEGLocator}.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class DefaultFFMPEGLocator extends FFMPEGLocator {
+
+	/**
+	 * Trace the version of the bundled ffmpeg executable. It's a counter: every
+	 * time the bundled ffmpeg change it is incremented by 1.
+	 */
+	private static final int myEXEversion = 1;
+
+	/**
+	 * The ffmpeg executable file path.
+	 */
+	private String path;
+
+	/**
+	 * It builds the default FFMPEGLocator, exporting the ffmpeg executable on a
+	 * temp file.
+	 */
+	public DefaultFFMPEGLocator() {
+		// Windows?
+		boolean isWindows;
+		String os = System.getProperty("os.name").toLowerCase();
+		if (os.indexOf("windows") != -1) {
+			isWindows = true;
+		} else {
+			isWindows = false;
+		}
+		// Temp dir?
+		File temp = new File(System.getProperty("java.io.tmpdir"), "jave-"
+				+ myEXEversion);
+		if (!temp.exists()) {
+			temp.mkdirs();
+			temp.deleteOnExit();
+		}
+		// ffmpeg executable export on disk.
+		String suffix = isWindows ? ".exe" : "";
+		File exe = new File(temp, "ffmpeg" + suffix);
+		if (!exe.exists()) {
+			copyFile("ffmpeg" + suffix, exe);
+		}
+		// pthreadGC2.dll
+		if (isWindows) {
+			File dll = new File(temp, "pthreadGC2.dll");
+			if (!dll.exists()) {
+				copyFile("pthreadGC2.dll", dll);
+			}
+		}
+		// Need a chmod?
+		if (!isWindows) {
+			Runtime runtime = Runtime.getRuntime();
+			try {
+				runtime.exec(new String[] { "/bin/chmod", "755",
+						exe.getAbsolutePath() });
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+		// Ok.
+		this.path = exe.getAbsolutePath();
+	}
+
+	protected String getFFMPEGExecutablePath() {
+		return path;
+	}
+
+	/**
+	 * Copies a file bundled in the package to the supplied destination.
+	 * 
+	 * @param path
+	 *            The name of the bundled file.
+	 * @param dest
+	 *            The destination.
+	 * @throws RuntimeException
+	 *             If aun unexpected error occurs.
+	 */
+	private void copyFile(String path, File dest) throws RuntimeException {
+		InputStream input = null;
+		OutputStream output = null;
+		try {
+			input = getClass().getResourceAsStream(path);
+			output = new FileOutputStream(dest);
+			byte[] buffer = new byte[1024];
+			int l;
+			while ((l = input.read(buffer)) != -1) {
+				output.write(buffer, 0, l);
+			}
+		} catch (IOException e) {
+			throw new RuntimeException("Cannot write file "
+					+ dest.getAbsolutePath());
+		} finally {
+			if (output != null) {
+				try {
+					output.close();
+				} catch (Throwable t) {
+					;
+				}
+			}
+			if (input != null) {
+				try {
+					input.close();
+				} catch (Throwable t) {
+					;
+				}
+			}
+		}
+	}
+
+}

src/it/sauronsoftware/jave/Encoder.java

@@ -0,0 +1,938 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.StringTokenizer;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Main class of the package. Instances can encode audio and video streams.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class Encoder {
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the supported
+	 * formats.
+	 */
+	private static final Pattern FORMAT_PATTERN = Pattern
+			.compile("^\\s*([D ])([E ])\\s+([\\w,]+)\\s+.+$");
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the included
+	 * encoders/decoders.
+	 */
+	private static final Pattern ENCODER_DECODER_PATTERN = Pattern.compile(
+			"^\\s*([D ])([E ])([AVS]).{3}\\s+(.+)$", Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the ongoing encoding
+	 * process.
+	 */
+	private static final Pattern PROGRESS_INFO_PATTERN = Pattern.compile(
+			"\\s*(\\w+)\\s*=\\s*(\\S+)\\s*", Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the size of a video
+	 * stream.
+	 */
+	private static final Pattern SIZE_PATTERN = Pattern.compile(
+			"(\\d+)x(\\d+)", Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the frame rate value
+	 * of a video stream.
+	 */
+	private static final Pattern FRAME_RATE_PATTERN = Pattern.compile(
+			"([\\d.]+)\\s+(?:fps|tb\\(r\\))", Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the bit rate value
+	 * of a stream.
+	 */
+	private static final Pattern BIT_RATE_PATTERN = Pattern.compile(
+			"(\\d+)\\s+kb/s", Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the sampling rate of
+	 * an audio stream.
+	 */
+	private static final Pattern SAMPLING_RATE_PATTERN = Pattern.compile(
+			"(\\d+)\\s+Hz", Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the channels number
+	 * of an audio stream.
+	 */
+	private static final Pattern CHANNELS_PATTERN = Pattern.compile(
+			"(mono|stereo)", Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * This regexp is used to parse the ffmpeg output about the success of an
+	 * encoding operation.
+	 */
+	private static final Pattern SUCCESS_PATTERN = Pattern.compile(
+			"^\\s*video\\:\\S+\\s+audio\\:\\S+\\s+global headers\\:\\S+.*$",
+			Pattern.CASE_INSENSITIVE);
+
+	/**
+	 * The locator of the ffmpeg executable used by this encoder.
+	 */
+	private FFMPEGLocator locator;
+
+	/**
+	 * It builds an encoder using a {@link DefaultFFMPEGLocator} instance to
+	 * locate the ffmpeg executable to use.
+	 */
+	public Encoder() {
+		this.locator = new DefaultFFMPEGLocator();
+	}
+
+	/**
+	 * It builds an encoder with a custom {@link FFMPEGLocator}.
+	 * 
+	 * @param locator
+	 *            The locator picking up the ffmpeg executable used by the
+	 *            encoder.
+	 */
+	public Encoder(FFMPEGLocator locator) {
+		this.locator = locator;
+	}
+
+	/**
+	 * Returns a list with the names of all the audio decoders bundled with the
+	 * ffmpeg distribution in use. An audio stream can be decoded only if a
+	 * decoder for its format is available.
+	 * 
+	 * @return A list with the names of all the included audio decoders.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	public String[] getAudioDecoders() throws EncoderException {
+		ArrayList<String> res = new ArrayList<String>();
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		ffmpeg.addArgument("-formats");
+		try {
+			ffmpeg.execute();
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getInputStream()));
+			String line;
+			boolean evaluate = false;
+			while ((line = reader.readLine()) != null) {
+				if (line.trim().length() == 0) {
+					continue;
+				}
+				if (evaluate) {
+					Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
+					if (matcher.matches()) {
+						String decoderFlag = matcher.group(1);
+						String audioVideoFlag = matcher.group(3);
+						if ("D".equals(decoderFlag)
+								&& "A".equals(audioVideoFlag)) {
+							String name = matcher.group(4);
+							res.add(name);
+						}
+					} else {
+						break;
+					}
+				} else if (line.trim().equals("Codecs:")) {
+					evaluate = true;
+				}
+			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		} finally {
+			ffmpeg.destroy();
+		}
+		int size = res.size();
+		String[] ret = new String[size];
+		for (int i = 0; i < size; i++) {
+			ret[i] = (String) res.get(i);
+		}
+		return ret;
+	}
+
+	/**
+	 * Returns a list with the names of all the audio encoders bundled with the
+	 * ffmpeg distribution in use. An audio stream can be encoded using one of
+	 * these encoders.
+	 * 
+	 * @return A list with the names of all the included audio encoders.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	public String[] getAudioEncoders() throws EncoderException {
+		ArrayList<String> res = new ArrayList<String>();
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		ffmpeg.addArgument("-formats");
+		try {
+			ffmpeg.execute();
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getInputStream()));
+			String line;
+			boolean evaluate = false;
+			while ((line = reader.readLine()) != null) {
+				if (line.trim().length() == 0) {
+					continue;
+				}
+				if (evaluate) {
+					Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
+					if (matcher.matches()) {
+						String encoderFlag = matcher.group(2);
+						String audioVideoFlag = matcher.group(3);
+						if ("E".equals(encoderFlag)
+								&& "A".equals(audioVideoFlag)) {
+							String name = matcher.group(4);
+							res.add(name);
+						}
+					} else {
+						break;
+					}
+				} else if (line.trim().equals("Codecs:")) {
+					evaluate = true;
+				}
+			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		} finally {
+			ffmpeg.destroy();
+		}
+		int size = res.size();
+		String[] ret = new String[size];
+		for (int i = 0; i < size; i++) {
+			ret[i] = (String) res.get(i);
+		}
+		return ret;
+	}
+
+	/**
+	 * Returns a list with the names of all the video decoders bundled with the
+	 * ffmpeg distribution in use. A video stream can be decoded only if a
+	 * decoder for its format is available.
+	 * 
+	 * @return A list with the names of all the included video decoders.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	public String[] getVideoDecoders() throws EncoderException {
+		ArrayList<String> res = new ArrayList<String>();
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		ffmpeg.addArgument("-formats");
+		try {
+			ffmpeg.execute();
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getInputStream()));
+			String line;
+			boolean evaluate = false;
+			while ((line = reader.readLine()) != null) {
+				if (line.trim().length() == 0) {
+					continue;
+				}
+				if (evaluate) {
+					Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
+					if (matcher.matches()) {
+						String decoderFlag = matcher.group(1);
+						String audioVideoFlag = matcher.group(3);
+						if ("D".equals(decoderFlag)
+								&& "V".equals(audioVideoFlag)) {
+							String name = matcher.group(4);
+							res.add(name);
+						}
+					} else {
+						break;
+					}
+				} else if (line.trim().equals("Codecs:")) {
+					evaluate = true;
+				}
+			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		} finally {
+			ffmpeg.destroy();
+		}
+		int size = res.size();
+		String[] ret = new String[size];
+		for (int i = 0; i < size; i++) {
+			ret[i] = (String) res.get(i);
+		}
+		return ret;
+	}
+
+	/**
+	 * Returns a list with the names of all the video encoders bundled with the
+	 * ffmpeg distribution in use. A video stream can be encoded using one of
+	 * these encoders.
+	 * 
+	 * @return A list with the names of all the included video encoders.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	public String[] getVideoEncoders() throws EncoderException {
+		ArrayList<String> res = new ArrayList<String>();
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		ffmpeg.addArgument("-formats");
+		try {
+			ffmpeg.execute();
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getInputStream()));
+			String line;
+			boolean evaluate = false;
+			while ((line = reader.readLine()) != null) {
+				if (line.trim().length() == 0) {
+					continue;
+				}
+				if (evaluate) {
+					Matcher matcher = ENCODER_DECODER_PATTERN.matcher(line);
+					if (matcher.matches()) {
+						String encoderFlag = matcher.group(2);
+						String audioVideoFlag = matcher.group(3);
+						if ("E".equals(encoderFlag)
+								&& "V".equals(audioVideoFlag)) {
+							String name = matcher.group(4);
+							res.add(name);
+						}
+					} else {
+						break;
+					}
+				} else if (line.trim().equals("Codecs:")) {
+					evaluate = true;
+				}
+			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		} finally {
+			ffmpeg.destroy();
+		}
+		int size = res.size();
+		String[] ret = new String[size];
+		for (int i = 0; i < size; i++) {
+			ret[i] = (String) res.get(i);
+		}
+		return ret;
+	}
+
+	/**
+	 * Returns a list with the names of all the file formats supported at
+	 * encoding time by the underlying ffmpeg distribution. A multimedia file
+	 * could be encoded and generated only if the specified format is in this
+	 * list.
+	 * 
+	 * @return A list with the names of all the supported file formats at
+	 *         encoding time.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	public String[] getSupportedEncodingFormats() throws EncoderException {
+		ArrayList<String> res = new ArrayList<String>();
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		ffmpeg.addArgument("-formats");
+		try {
+			ffmpeg.execute();
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getInputStream()));
+			String line;
+			boolean evaluate = false;
+			while ((line = reader.readLine()) != null) {
+				if (line.trim().length() == 0) {
+					continue;
+				}
+				if (evaluate) {
+					Matcher matcher = FORMAT_PATTERN.matcher(line);
+					if (matcher.matches()) {
+						String encoderFlag = matcher.group(2);
+						if ("E".equals(encoderFlag)) {
+							String aux = matcher.group(3);
+							StringTokenizer st = new StringTokenizer(aux, ",");
+							while (st.hasMoreTokens()) {
+								String token = st.nextToken().trim();
+								if (!res.contains(token)) {
+									res.add(token);
+								}
+							}
+						}
+					} else {
+						break;
+					}
+				} else if (line.trim().equals("File formats:")) {
+					evaluate = true;
+				}
+			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		} finally {
+			ffmpeg.destroy();
+		}
+		int size = res.size();
+		String[] ret = new String[size];
+		for (int i = 0; i < size; i++) {
+			ret[i] = (String) res.get(i);
+		}
+		return ret;
+	}
+
+	/**
+	 * Returns a list with the names of all the file formats supported at
+	 * decoding time by the underlying ffmpeg distribution. A multimedia file
+	 * could be open and decoded only if its format is in this list.
+	 * 
+	 * @return A list with the names of all the supported file formats at
+	 *         decoding time.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	public String[] getSupportedDecodingFormats() throws EncoderException {
+		ArrayList<String> res = new ArrayList<String>();
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		ffmpeg.addArgument("-formats");
+		try {
+			ffmpeg.execute();
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getInputStream()));
+			String line;
+			boolean evaluate = false;
+			while ((line = reader.readLine()) != null) {
+				if (line.trim().length() == 0) {
+					continue;
+				}
+				if (evaluate) {
+					Matcher matcher = FORMAT_PATTERN.matcher(line);
+					if (matcher.matches()) {
+						String decoderFlag = matcher.group(1);
+						if ("D".equals(decoderFlag)) {
+							String aux = matcher.group(3);
+							StringTokenizer st = new StringTokenizer(aux, ",");
+							while (st.hasMoreTokens()) {
+								String token = st.nextToken().trim();
+								if (!res.contains(token)) {
+									res.add(token);
+								}
+							}
+						}
+					} else {
+						break;
+					}
+				} else if (line.trim().equals("File formats:")) {
+					evaluate = true;
+				}
+			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		} finally {
+			ffmpeg.destroy();
+		}
+		int size = res.size();
+		String[] ret = new String[size];
+		for (int i = 0; i < size; i++) {
+			ret[i] = (String) res.get(i);
+		}
+		return ret;
+	}
+
+	/**
+	 * Returns a set informations about a multimedia file, if its format is
+	 * supported for decoding.
+	 * 
+	 * @param source
+	 *            The source multimedia file.
+	 * @return A set of informations about the file and its contents.
+	 * @throws InputFormatException
+	 *             If the format of the source file cannot be recognized and
+	 *             decoded.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	public MultimediaInfo getInfo(File source) throws InputFormatException,
+			EncoderException {
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		ffmpeg.addArgument("-i");
+		ffmpeg.addArgument(source.getAbsolutePath());
+		try {
+			ffmpeg.execute();
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		}
+		try {
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getErrorStream()));
+			return parseMultimediaInfo(source, reader);
+		} finally {
+			ffmpeg.destroy();
+		}
+	}
+
+	/**
+	 * Private utility. It parses the ffmpeg output, extracting informations
+	 * about a source multimedia file.
+	 * 
+	 * @param source
+	 *            The source multimedia file.
+	 * @param reader
+	 *            The ffmpeg output channel.
+	 * @return A set of informations about the source multimedia file and its
+	 *         contents.
+	 * @throws InputFormatException
+	 *             If the format of the source file cannot be recognized and
+	 *             decoded.
+	 * @throws EncoderException
+	 *             If a problem occurs calling the underlying ffmpeg executable.
+	 */
+	private MultimediaInfo parseMultimediaInfo(File source,
+			RBufferedReader reader) throws InputFormatException,
+			EncoderException {
+		Pattern p1 = Pattern.compile("^\\s*Input #0, (\\w+).+$\\s*",
+				Pattern.CASE_INSENSITIVE);
+		Pattern p2 = Pattern.compile(
+				"^\\s*Duration: (\\d\\d):(\\d\\d):(\\d\\d)\\.(\\d).*$",
+				Pattern.CASE_INSENSITIVE);
+		Pattern p3 = Pattern.compile(
+				"^\\s*Stream #\\S+: ((?:Audio)|(?:Video)|(?:Data)): (.*)\\s*$",
+				Pattern.CASE_INSENSITIVE);
+		MultimediaInfo info = null;
+		try {
+			int step = 0;
+			while (true) {
+				String line = reader.readLine();
+				if (line == null) {
+					break;
+				}
+				if (step == 0) {
+					String token = source.getAbsolutePath() + ": ";
+					if (line.startsWith(token)) {
+						String message = line.substring(token.length());
+						throw new InputFormatException(message);
+					}
+					Matcher m = p1.matcher(line);
+					if (m.matches()) {
+						String format = m.group(1);
+						info = new MultimediaInfo();
+						info.setFormat(format);
+						step++;
+					}
+				} else if (step == 1) {
+					Matcher m = p2.matcher(line);
+					if (m.matches()) {
+						long hours = Integer.parseInt(m.group(1));
+						long minutes = Integer.parseInt(m.group(2));
+						long seconds = Integer.parseInt(m.group(3));
+						long dec = Integer.parseInt(m.group(4));
+						long duration = (dec * 100L) + (seconds * 1000L)
+								+ (minutes * 60L * 1000L)
+								+ (hours * 60L * 60L * 1000L);
+						info.setDuration(duration);
+						step++;
+					} else {
+						step = 3;
+					}
+				} else if (step == 2) {
+					Matcher m = p3.matcher(line);
+					if (m.matches()) {
+						String type = m.group(1);
+						String specs = m.group(2);
+						if ("Video".equalsIgnoreCase(type)) {
+							VideoInfo video = new VideoInfo();
+							StringTokenizer st = new StringTokenizer(specs, ",");
+							for (int i = 0; st.hasMoreTokens(); i++) {
+								String token = st.nextToken().trim();
+								if (i == 0) {
+									video.setDecoder(token);
+								} else {
+									boolean parsed = false;
+									// Video size.
+									Matcher m2 = SIZE_PATTERN.matcher(token);
+									if (!parsed && m2.find()) {
+										int width = Integer.parseInt(m2
+												.group(1));
+										int height = Integer.parseInt(m2
+												.group(2));
+										video.setSize(new VideoSize(width,
+												height));
+										parsed = true;
+									}
+									// Frame rate.
+									m2 = FRAME_RATE_PATTERN.matcher(token);
+									if (!parsed && m2.find()) {
+										try {
+											float frameRate = Float
+													.parseFloat(m2.group(1));
+											video.setFrameRate(frameRate);
+										} catch (NumberFormatException e) {
+											;
+										}
+										parsed = true;
+									}
+									// Bit rate.
+									m2 = BIT_RATE_PATTERN.matcher(token);
+									if (!parsed && m2.find()) {
+										int bitRate = Integer.parseInt(m2
+												.group(1));
+										video.setBitRate(bitRate);
+										parsed = true;
+									}
+								}
+							}
+							info.setVideo(video);
+						} else if ("Audio".equalsIgnoreCase(type)) {
+							AudioInfo audio = new AudioInfo();
+							StringTokenizer st = new StringTokenizer(specs, ",");
+							for (int i = 0; st.hasMoreTokens(); i++) {
+								String token = st.nextToken().trim();
+								if (i == 0) {
+									audio.setDecoder(token);
+								} else {
+									boolean parsed = false;
+									// Sampling rate.
+									Matcher m2 = SAMPLING_RATE_PATTERN
+											.matcher(token);
+									if (!parsed && m2.find()) {
+										int samplingRate = Integer.parseInt(m2
+												.group(1));
+										audio.setSamplingRate(samplingRate);
+										parsed = true;
+									}
+									// Channels.
+									m2 = CHANNELS_PATTERN.matcher(token);
+									if (!parsed && m2.find()) {
+										String ms = m2.group(1);
+										if ("mono".equalsIgnoreCase(ms)) {
+											audio.setChannels(1);
+										} else if ("stereo"
+												.equalsIgnoreCase(ms)) {
+											audio.setChannels(2);
+										}
+										parsed = true;
+									}
+									// Bit rate.
+									m2 = BIT_RATE_PATTERN.matcher(token);
+									if (!parsed && m2.find()) {
+										int bitRate = Integer.parseInt(m2
+												.group(1));
+										audio.setBitRate(bitRate);
+										parsed = true;
+									}
+								}
+							}
+							info.setAudio(audio);
+						}
+					} else {
+						step = 3;
+					}
+				}
+				if (step == 3) {
+					reader.reinsertLine(line);
+					break;
+				}
+			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		}
+		if (info == null) {
+			throw new InputFormatException();
+		}
+		return info;
+	}
+
+	/**
+	 * Private utility. Parse a line and try to match its contents against the
+	 * {@link Encoder#PROGRESS_INFO_PATTERN} pattern. It the line can be parsed,
+	 * it returns a hashtable with progress informations, otherwise it returns
+	 * null.
+	 * 
+	 * @param line
+	 *            The line from the ffmpeg output.
+	 * @return A hashtable with the value reported in the line, or null if the
+	 *         given line can not be parsed.
+	 */
+	private Hashtable parseProgressInfoLine(String line) {
+		Hashtable<String, String> table = null;
+		Matcher m = PROGRESS_INFO_PATTERN.matcher(line);
+		while (m.find()) {
+			if (table == null) {
+				table = new Hashtable<String,String>();
+			}
+			String key = m.group(1);
+			String value = m.group(2);
+			table.put(key, value);
+		}
+		return table;
+	}
+
+	/**
+	 * Re-encode a multimedia file.
+	 * 
+	 * @param source
+	 *            The source multimedia file. It cannot be null. Be sure this
+	 *            file can be decoded (see
+	 *            {@link Encoder#getSupportedDecodingFormats()},
+	 *            {@link Encoder#getAudioDecoders()} and
+	 *            {@link Encoder#getVideoDecoders()}).
+	 * @param target
+	 *            The target multimedia re-encoded file. It cannot be null. If
+	 *            this file already exists, it will be overwrited.
+	 * @param attributes
+	 *            A set of attributes for the encoding process.
+	 * @throws IllegalArgumentException
+	 *             If both audio and video parameters are null.
+	 * @throws InputFormatException
+	 *             If the source multimedia file cannot be decoded.
+	 * @throws EncoderException
+	 *             If a problems occurs during the encoding process.
+	 */
+	public void encode(File source, File target, EncodingAttributes attributes)
+			throws IllegalArgumentException, InputFormatException,
+			EncoderException {
+		encode(source, target, attributes, null);
+	}
+
+	/**
+	 * Re-encode a multimedia file.
+	 * 
+	 * @param source
+	 *            The source multimedia file. It cannot be null. Be sure this
+	 *            file can be decoded (see
+	 *            {@link Encoder#getSupportedDecodingFormats()},
+	 *            {@link Encoder#getAudioDecoders()} and
+	 *            {@link Encoder#getVideoDecoders()}).
+	 * @param target
+	 *            The target multimedia re-encoded file. It cannot be null. If
+	 *            this file already exists, it will be overwrited.
+	 * @param attributes
+	 *            A set of attributes for the encoding process.
+	 * @param listener
+	 *            An optional progress listener for the encoding process. It can
+	 *            be null.
+	 * @throws IllegalArgumentException
+	 *             If both audio and video parameters are null.
+	 * @throws InputFormatException
+	 *             If the source multimedia file cannot be decoded.
+	 * @throws EncoderException
+	 *             If a problems occurs during the encoding process.
+	 */
+	public void encode(File source, File target, EncodingAttributes attributes,
+			EncoderProgressListener listener) throws IllegalArgumentException,
+			InputFormatException, EncoderException {
+		String formatAttribute = attributes.getFormat();
+		Float offsetAttribute = attributes.getOffset();
+		Float durationAttribute = attributes.getDuration();
+		AudioAttributes audioAttributes = attributes.getAudioAttributes();
+		VideoAttributes videoAttributes = attributes.getVideoAttributes();
+		if (audioAttributes == null && videoAttributes == null) {
+			throw new IllegalArgumentException(
+					"Both audio and video attributes are null");
+		}
+		target = target.getAbsoluteFile();
+		target.getParentFile().mkdirs();
+		FFMPEGExecutor ffmpeg = locator.createExecutor();
+		if (offsetAttribute != null) {
+			ffmpeg.addArgument("-ss");
+			ffmpeg.addArgument(String.valueOf(offsetAttribute.floatValue()));
+		}
+		ffmpeg.addArgument("-i");
+		ffmpeg.addArgument(source.getAbsolutePath());
+		if (durationAttribute != null) {
+			ffmpeg.addArgument("-t");
+			ffmpeg.addArgument(String.valueOf(durationAttribute.floatValue()));
+		}
+		if (videoAttributes == null) {
+			ffmpeg.addArgument("-vn");
+		} else {
+			String codec = videoAttributes.getCodec();
+			if (codec != null) {
+				ffmpeg.addArgument("-vcodec");
+				ffmpeg.addArgument(codec);
+			}
+			String tag = videoAttributes.getTag();
+			if (tag != null) {
+				ffmpeg.addArgument("-vtag");
+				ffmpeg.addArgument(tag);
+			}
+			Integer bitRate = videoAttributes.getBitRate();
+			if (bitRate != null) {
+				ffmpeg.addArgument("-b");
+				ffmpeg.addArgument(String.valueOf(bitRate.intValue()));
+			}
+			Integer frameRate = videoAttributes.getFrameRate();
+			if (frameRate != null) {
+				ffmpeg.addArgument("-r");
+				ffmpeg.addArgument(String.valueOf(frameRate.intValue()));
+			}
+			VideoSize size = videoAttributes.getSize();
+			if (size != null) {
+				ffmpeg.addArgument("-s");
+				ffmpeg.addArgument(String.valueOf(size.getWidth()) + "x"
+						+ String.valueOf(size.getHeight()));
+			}
+		}
+		if (audioAttributes == null) {
+			ffmpeg.addArgument("-an");
+		} else {
+			String codec = audioAttributes.getCodec();
+			if (codec != null) {
+				ffmpeg.addArgument("-acodec");
+				ffmpeg.addArgument(codec);
+			}
+			Integer bitRate = audioAttributes.getBitRate();
+			if (bitRate != null) {
+				ffmpeg.addArgument("-ab");
+				ffmpeg.addArgument(String.valueOf(bitRate.intValue()));
+			}
+			Integer channels = audioAttributes.getChannels();
+			if (channels != null) {
+				ffmpeg.addArgument("-ac");
+				ffmpeg.addArgument(String.valueOf(channels.intValue()));
+			}
+			Integer samplingRate = audioAttributes.getSamplingRate();
+			if (samplingRate != null) {
+				ffmpeg.addArgument("-ar");
+				ffmpeg.addArgument(String.valueOf(samplingRate.intValue()));
+			}
+			Integer volume = audioAttributes.getVolume();
+			if (volume != null) {
+				ffmpeg.addArgument("-vol");
+				ffmpeg.addArgument(String.valueOf(volume.intValue()));
+			}
+		}
+		ffmpeg.addArgument("-f");
+		ffmpeg.addArgument(formatAttribute);
+		ffmpeg.addArgument("-y");
+		ffmpeg.addArgument(target.getAbsolutePath());
+		try {
+			ffmpeg.execute();
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		}
+		try {
+			String lastWarning = null;
+			long duration;
+			long progress = 0;
+			RBufferedReader reader = null;
+			reader = new RBufferedReader(new InputStreamReader(ffmpeg
+					.getErrorStream()));
+			MultimediaInfo info = parseMultimediaInfo(source, reader);
+			if (durationAttribute != null) {
+				duration = (long) Math
+						.round((durationAttribute.floatValue() * 1000L));
+			} else {
+				duration = info.getDuration();
+				if (offsetAttribute != null) {
+					duration -= (long) Math
+							.round((offsetAttribute.floatValue() * 1000L));
+				}
+			}
+			if (listener != null) {
+				listener.sourceInfo(info);
+			}
+			int step = 0;
+			String line;
+			while ((line = reader.readLine()) != null) {
+/*
+				if (step == 0) {
+					if (line.startsWith("WARNING: ")) {
+						if (listener != null) {
+							listener.message(line);
+						}
+					} else if (!line.startsWith("Output #0")) {
+						throw new EncoderException(line);
+					} else {
+						step++;
+					}
+				} else if (step == 1) {
+					if (!line.startsWith("  ")) {
+						step++;
+					}
+				}
+				if (step == 2) {
+					if (!line.startsWith("Stream mapping:")) {
+						throw new EncoderException(line);
+					} else {
+						step++;
+					}
+				} else if (step == 3) {
+					if (!line.startsWith("  ")) {
+						step++;
+					}
+				}
+				if (step == 4) {
+*/
+					line = line.trim();
+					if (line.length() > 0) {
+						Hashtable table = parseProgressInfoLine(line);
+						if (table == null) {
+							if (listener != null) {
+								listener.message(line);
+							}
+							lastWarning = line;
+						} else {
+							if (listener != null) {
+								String time = (String) table.get("time");
+								if (time != null) {
+									int dot = time.indexOf('.');
+									if (dot > 0 && dot == time.length() - 2
+											&& duration > 0) {
+										String p1 = time.substring(0, dot);
+										String p2 = time.substring(dot + 1);
+										try {
+											long i1 = Long.parseLong(p1);
+											long i2 = Long.parseLong(p2);
+											progress = (i1 * 1000L)
+													+ (i2 * 100L);
+											int perm = (int) Math
+													.round((double) (progress * 1000L)
+															/ (double) duration);
+											if (perm > 1000) {
+												perm = 1000;
+											}
+											listener.progress(perm);
+										} catch (NumberFormatException e) {
+											;
+										}
+									}
+								}
+							}
+							lastWarning = null;
+						}
+					}
+//				}
+			}
+//			if (lastWarning != null) {
+//				if (!SUCCESS_PATTERN.matcher(lastWarning).matches()) {
+//					throw new EncoderException(lastWarning);
+//				}
+//			}
+		} catch (IOException e) {
+			throw new EncoderException(e);
+		} finally {
+			ffmpeg.destroy();
+		}
+	}
+
+}

src/it/sauronsoftware/jave/EncoderException.java

@@ -0,0 +1,46 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * Encoding expection.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class EncoderException extends Exception {
+
+	private static final long serialVersionUID = 1L;
+
+	EncoderException() {
+		super();
+	}
+
+	EncoderException(String message) {
+		super(message);
+	}
+
+	EncoderException(Throwable cause) {
+		super(cause);
+	}
+
+	EncoderException(String message, Throwable cause) {
+		super(message, cause);
+	}
+
+}

src/it/sauronsoftware/jave/EncoderProgressListener.java

@@ -0,0 +1,55 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * Encoding progress listener interface. Instances of implementing classes could
+ * be used to listen an encoding process.
+ * 
+ * @author Carlo Pelliccia
+ */
+public interface EncoderProgressListener {
+
+	/**
+	 * This method is called before the encoding process starts, reporting
+	 * information about the source stream that will be decoded and re-encoded.
+	 * 
+	 * @param info
+	 *            Informations about the source multimedia stream.
+	 */
+	public void sourceInfo(MultimediaInfo info);
+
+	/**
+	 * This method is called to notify a progress in the encoding process.
+	 * 
+	 * @param permil
+	 *            A permil value representing the encoding process progress.
+	 */
+	public void progress(int permil);
+
+	/**
+	 * This method is called every time the encoder need to send a message
+	 * (usually, a warning).
+	 * 
+	 * @param message
+	 *            The message sent by the encoder.
+	 */
+	public void message(String message);
+
+}

src/it/sauronsoftware/jave/EncodingAttributes.java

@@ -0,0 +1,181 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.Serializable;
+
+/**
+ * Attributes controlling the encoding process.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class EncodingAttributes implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * The format name for the encoded target multimedia file. Be sure this
+	 * format is supported (see {@link Encoder#getSupportedEncodingFormats()}.
+	 */
+	private String format = null;
+
+	/**
+	 * The start offset time (seconds). If null or not specified no start offset
+	 * will be applied.
+	 */
+	private Float offset = null;
+
+	/**
+	 * The duration (seconds) of the re-encoded stream. If null or not specified
+	 * the source stream, starting from the offset, will be completely
+	 * re-encoded in the target stream.
+	 */
+	private Float duration = null;
+
+	/**
+	 * The attributes for the encoding of the audio stream in the target
+	 * multimedia file. If null of not specified no audio stream will be
+	 * encoded. It cannot be null if also the video field is null.
+	 */
+	private AudioAttributes audioAttributes = null;
+
+	/**
+	 * The attributes for the encoding of the video stream in the target
+	 * multimedia file. If null of not specified no video stream will be
+	 * encoded. It cannot be null if also the audio field is null.
+	 */
+	private VideoAttributes videoAttributes = null;
+
+	/**
+	 * Returns the format name for the encoded target multimedia file.
+	 * 
+	 * @return The format name for the encoded target multimedia file.
+	 */
+	String getFormat() {
+		return format;
+	}
+
+	/**
+	 * Sets the format name for the encoded target multimedia file. Be sure this
+	 * format is supported (see {@link Encoder#getSupportedEncodingFormats()}.
+	 * 
+	 * @param format
+	 *            The format name for the encoded target multimedia file.
+	 */
+	public void setFormat(String format) {
+		this.format = format;
+	}
+
+	/**
+	 * Returns the start offset time (seconds).
+	 * 
+	 * @return The start offset time (seconds).
+	 */
+	Float getOffset() {
+		return offset;
+	}
+
+	/**
+	 * Sets the start offset time (seconds). If null or not specified no start
+	 * offset will be applied.
+	 * 
+	 * @param offset
+	 *            The start offset time (seconds).
+	 */
+	public void setOffset(Float offset) {
+		this.offset = offset;
+	}
+
+	/**
+	 * Returns the duration (seconds) of the re-encoded stream.
+	 * 
+	 * @return The duration (seconds) of the re-encoded stream.
+	 */
+	Float getDuration() {
+		return duration;
+	}
+
+	/**
+	 * Sets the duration (seconds) of the re-encoded stream. If null or not
+	 * specified the source stream, starting from the offset, will be completely
+	 * re-encoded in the target stream.
+	 * 
+	 * @param duration
+	 *            The duration (seconds) of the re-encoded stream.
+	 */
+	public void setDuration(Float duration) {
+		this.duration = duration;
+	}
+
+	/**
+	 * Returns the attributes for the encoding of the audio stream in the target
+	 * multimedia file.
+	 * 
+	 * @return The attributes for the encoding of the audio stream in the target
+	 *         multimedia file.
+	 */
+	AudioAttributes getAudioAttributes() {
+		return audioAttributes;
+	}
+
+	/**
+	 * Sets the attributes for the encoding of the audio stream in the target
+	 * multimedia file. If null of not specified no audio stream will be
+	 * encoded. It cannot be null if also the video field is null.
+	 * 
+	 * @param audioAttributes
+	 *            The attributes for the encoding of the audio stream in the
+	 *            target multimedia file.
+	 */
+	public void setAudioAttributes(AudioAttributes audioAttributes) {
+		this.audioAttributes = audioAttributes;
+	}
+
+	/**
+	 * Returns the attributes for the encoding of the video stream in the target
+	 * multimedia file.
+	 * 
+	 * @return The attributes for the encoding of the video stream in the target
+	 *         multimedia file.
+	 */
+	VideoAttributes getVideoAttributes() {
+		return videoAttributes;
+	}
+
+	/**
+	 * Sets the attributes for the encoding of the video stream in the target
+	 * multimedia file. If null of not specified no video stream will be
+	 * encoded. It cannot be null if also the audio field is null.
+	 * 
+	 * @param videoAttributes
+	 *            The attributes for the encoding of the video stream in the
+	 *            target multimedia file.
+	 */
+	public void setVideoAttributes(VideoAttributes videoAttributes) {
+		this.videoAttributes = videoAttributes;
+	}
+
+	public String toString() {
+		return getClass().getName() + "(format=" + format + ", offset="
+				+ offset + ", duration=" + duration + ", audioAttributes="
+				+ audioAttributes + ", videoAttributes=" + videoAttributes
+				+ ")";
+	}
+
+}

src/it/sauronsoftware/jave/FFMPEGExecutor.java

@@ -0,0 +1,178 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+
+/**
+ * A ffmpeg process wrapper.
+ * 
+ * @author Carlo Pelliccia
+ */
+class FFMPEGExecutor {
+
+	/**
+	 * The path of the ffmpeg executable.
+	 */
+	private String ffmpegExecutablePath;
+
+	/**
+	 * Arguments for the executable.
+	 */
+	private ArrayList<String> args = new ArrayList<String>();
+
+	/**
+	 * The process representing the ffmpeg execution.
+	 */
+	private Process ffmpeg = null;
+
+	/**
+	 * A process killer to kill the ffmpeg process with a shutdown hook, useful
+	 * if the jvm execution is shutted down during an ongoing encoding process.
+	 */
+	private ProcessKiller ffmpegKiller = null;
+
+	/**
+	 * A stream reading from the ffmpeg process standard output channel.
+	 */
+	private InputStream inputStream = null;
+
+	/**
+	 * A stream writing in the ffmpeg process standard input channel.
+	 */
+	private OutputStream outputStream = null;
+
+	/**
+	 * A stream reading from the ffmpeg process standard error channel.
+	 */
+	private InputStream errorStream = null;
+
+	/**
+	 * It build the executor.
+	 * 
+	 * @param ffmpegExecutablePath
+	 *            The path of the ffmpeg executable.
+	 */
+	public FFMPEGExecutor(String ffmpegExecutablePath) {
+		this.ffmpegExecutablePath = ffmpegExecutablePath;
+	}
+
+	/**
+	 * Adds an argument to the ffmpeg executable call.
+	 * 
+	 * @param arg
+	 *            The argument.
+	 */
+	public void addArgument(String arg) {
+		args.add(arg);
+	}
+
+	/**
+	 * Executes the ffmpeg process with the previous given arguments.
+	 * 
+	 * @throws IOException
+	 *             If the process call fails.
+	 */
+	public void execute() throws IOException {
+		int argsSize = args.size();
+		String[] cmd = new String[argsSize + 1];
+		cmd[0] = ffmpegExecutablePath;
+		for (int i = 0; i < argsSize; i++) {
+			cmd[i + 1] = (String) args.get(i);
+		}
+
+		Runtime runtime = Runtime.getRuntime();
+		ffmpeg = runtime.exec(cmd);
+		ffmpegKiller = new ProcessKiller(ffmpeg);
+		runtime.addShutdownHook(ffmpegKiller);
+		inputStream = ffmpeg.getInputStream();
+		outputStream = ffmpeg.getOutputStream();
+		errorStream = ffmpeg.getErrorStream();
+	}
+
+	/**
+	 * Returns a stream reading from the ffmpeg process standard output channel.
+	 * 
+	 * @return A stream reading from the ffmpeg process standard output channel.
+	 */
+	public InputStream getInputStream() {
+		return inputStream;
+	}
+
+	/**
+	 * Returns a stream writing in the ffmpeg process standard input channel.
+	 * 
+	 * @return A stream writing in the ffmpeg process standard input channel.
+	 */
+	public OutputStream getOutputStream() {
+		return outputStream;
+	}
+
+	/**
+	 * Returns a stream reading from the ffmpeg process standard error channel.
+	 * 
+	 * @return A stream reading from the ffmpeg process standard error channel.
+	 */
+	public InputStream getErrorStream() {
+		return errorStream;
+	}
+
+	/**
+	 * If there's a ffmpeg execution in progress, it kills it.
+	 */
+	public void destroy() {
+		if (inputStream != null) {
+			try {
+				inputStream.close();
+			} catch (Throwable t) {
+				;
+			}
+			inputStream = null;
+		}
+		if (outputStream != null) {
+			try {
+				outputStream.close();
+			} catch (Throwable t) {
+				;
+			}
+			outputStream = null;
+		}
+		if (errorStream != null) {
+			try {
+				errorStream.close();
+			} catch (Throwable t) {
+				;
+			}
+			errorStream = null;
+		}
+		if (ffmpeg != null) {
+			ffmpeg.destroy();
+			ffmpeg = null;
+		}
+		if (ffmpegKiller != null) {
+			Runtime runtime = Runtime.getRuntime();
+			runtime.removeShutdownHook(ffmpegKiller);
+			ffmpegKiller = null;
+		}
+	}
+
+}

src/it/sauronsoftware/jave/FFMPEGLocator.java

@@ -0,0 +1,49 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * Abstract class whose derived concrete instances are used by {@link Encoder}
+ * to locate the ffmpeg executable path.
+ * 
+ * @author Carlo Pelliccia
+ * @see Encoder
+ */
+public abstract class FFMPEGLocator {
+
+	/**
+	 * This method should return the path of a ffmpeg executable suitable for
+	 * the current machine.
+	 * 
+	 * @return The path of the ffmpeg executable.
+	 */
+	protected abstract String getFFMPEGExecutablePath();
+
+	/**
+	 * It returns a brand new {@link FFMPEGExecutor}, ready to be used in a
+	 * ffmpeg call.
+	 * 
+	 * @return A newly instanced {@link FFMPEGExecutor}, using this locator to
+	 *         call the ffmpeg executable.
+	 */
+	FFMPEGExecutor createExecutor() {
+		return new FFMPEGExecutor(getFFMPEGExecutablePath());
+	}
+
+}

src/it/sauronsoftware/jave/InputFormatException.java

@@ -0,0 +1,38 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * This expection is thrown if a source file format is not recognized.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class InputFormatException extends EncoderException {
+
+	private static final long serialVersionUID = 1L;
+
+	InputFormatException() {
+		super();
+	}
+
+	InputFormatException(String message) {
+		super(message);
+	}
+
+}

src/it/sauronsoftware/jave/MultimediaInfo.java

@@ -0,0 +1,136 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * Instances of this class report informations about a decoded multimedia file.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class MultimediaInfo {
+
+	/**
+	 * The multimedia file format name.
+	 */
+	private String format = null;
+
+	/**
+	 * The stream duration in millis. If less than 0 this information is not
+	 * available.
+	 */
+	private long duration = -1;
+
+	/**
+	 * A set of audio-specific informations. If null, there's no audio stream in
+	 * the multimedia file.
+	 */
+	private AudioInfo audio = null;
+
+	/**
+	 * A set of video-specific informations. If null, there's no video stream in
+	 * the multimedia file.
+	 */
+	private VideoInfo video = null;
+
+	/**
+	 * Returns the multimedia file format name.
+	 * 
+	 * @return The multimedia file format name.
+	 */
+	public String getFormat() {
+		return format;
+	}
+
+	/**
+	 * Sets the multimedia file format name.
+	 * 
+	 * @param format
+	 *            The multimedia file format name.
+	 */
+	void setFormat(String format) {
+		this.format = format;
+	}
+
+	/**
+	 * Returns the stream duration in millis. If less than 0 this information is
+	 * not available.
+	 * 
+	 * @return The stream duration in millis. If less than 0 this information is
+	 *         not available.
+	 */
+	public long getDuration() {
+		return duration;
+	}
+
+	/**
+	 * Sets the stream duration in millis.
+	 * 
+	 * @param duration
+	 *            The stream duration in millis.
+	 */
+	void setDuration(long duration) {
+		this.duration = duration;
+	}
+
+	/**
+	 * Returns a set of audio-specific informations. If null, there's no audio
+	 * stream in the multimedia file.
+	 * 
+	 * @return A set of audio-specific informations.
+	 */
+	public AudioInfo getAudio() {
+		return audio;
+	}
+
+	/**
+	 * Sets a set of audio-specific informations.
+	 * 
+	 * @param audio
+	 *            A set of audio-specific informations.
+	 */
+	void setAudio(AudioInfo audio) {
+		this.audio = audio;
+	}
+
+	/**
+	 * Returns a set of video-specific informations. If null, there's no video
+	 * stream in the multimedia file.
+	 * 
+	 * @return A set of audio-specific informations.
+	 */
+	public VideoInfo getVideo() {
+		return video;
+	}
+
+	/**
+	 * Sets a set of video-specific informations.
+	 * 
+	 * @param video
+	 *            A set of video-specific informations.
+	 */
+	void setVideo(VideoInfo video) {
+		this.video = video;
+	}
+
+	public String toString() {
+		return getClass().getName() + " (format=" + format + ", duration="
+				+ duration + ", video=" + video + ", audio=" + audio + ")";
+	}
+
+}

src/it/sauronsoftware/jave/ProcessKiller.java

@@ -0,0 +1,51 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * A package-private utility to add a shutdown hook to kill ongoing encoding
+ * processes at the jvm shutdown.
+ * 
+ * @author Carlo Pelliccia
+ */
+class ProcessKiller extends Thread {
+
+	/**
+	 * The process to kill.
+	 */
+	private Process process;
+
+	/**
+	 * Builds the killer.
+	 * 
+	 * @param process
+	 *            The process to kill.
+	 */
+	public ProcessKiller(Process process) {
+		this.process = process;
+	}
+
+	/**
+	 * It kills the supplied process.
+	 */
+	public void run() {
+		process.destroy();
+	}
+
+}

src/it/sauronsoftware/jave/RBufferedReader.java

@@ -0,0 +1,73 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.Reader;
+import java.util.ArrayList;
+
+/**
+ * A package-private utility extending java.io.BufferedReader. If a line read
+ * with {@link RBufferedReader#readLine()} is not useful for the calling code,
+ * it can be re-inserted in the stream. The same line will be returned again at
+ * the next readLine() call.
+ * 
+ * @author Carlo Pelliccia
+ */
+class RBufferedReader extends BufferedReader {
+
+	/**
+	 * Re-inserted lines buffer.
+	 */
+	private ArrayList<String> lines = new ArrayList<String>();
+
+	/**
+	 * It builds the reader.
+	 * 
+	 * @param in
+	 *            The underlying reader.
+	 */
+	public RBufferedReader(Reader in) {
+		super(in);
+	}
+
+	/**
+	 * It returns the next line in the stream.
+	 */
+	public String readLine() throws IOException {
+		if (lines.size() > 0) {
+			return (String) lines.remove(0);
+		} else {
+			return super.readLine();
+		}
+	}
+
+	/**
+	 * Reinserts a line in the stream. The line will be returned at the next
+	 * {@link RBufferedReader#readLine()} call.
+	 * 
+	 * @param line
+	 *            The line.
+	 */
+	public void reinsertLine(String line) {
+		lines.add(0, line);
+	}
+
+}

src/it/sauronsoftware/jave/VideoAttributes.java

@@ -0,0 +1,177 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.Serializable;
+
+/**
+ * Attributes controlling the video encoding process.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class VideoAttributes implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * This value can be setted in the codec field to perform a direct stream
+	 * copy, without re-encoding of the audio stream.
+	 */
+	public static final String DIRECT_STREAM_COPY = "copy";
+
+	/**
+	 * The codec name for the encoding process. If null or not specified the
+	 * encoder will perform a direct stream copy.
+	 */
+	private String codec = null;
+
+	/**
+	 * The the forced tag/fourcc value for the video stream.
+	 */
+	private String tag = null;
+
+	/**
+	 * The bitrate value for the encoding process. If null or not specified a
+	 * default value will be picked.
+	 */
+	private Integer bitRate = null;
+
+	/**
+	 * The frame rate value for the encoding process. If null or not specified a
+	 * default value will be picked.
+	 */
+	private Integer frameRate = null;
+
+	/**
+	 * The video size for the encoding process. If null or not specified the
+	 * source video size will not be modified.
+	 */
+	private VideoSize size = null;
+
+	/**
+	 * Returns the codec name for the encoding process.
+	 * 
+	 * @return The codec name for the encoding process.
+	 */
+	String getCodec() {
+		return codec;
+	}
+
+	/**
+	 * Sets the codec name for the encoding process. If null or not specified
+	 * the encoder will perform a direct stream copy.
+	 * 
+	 * Be sure the supplied codec name is in the list returned by
+	 * {@link Encoder#getVideoEncoders()}.
+	 * 
+	 * A special value can be picked from
+	 * {@link VideoAttributes#DIRECT_STREAM_COPY}.
+	 * 
+	 * @param codec
+	 *            The codec name for the encoding process.
+	 */
+	public void setCodec(String codec) {
+		this.codec = codec;
+	}
+
+	/**
+	 * Returns the the forced tag/fourcc value for the video stream.
+	 * 
+	 * @return The the forced tag/fourcc value for the video stream.
+	 */
+	String getTag() {
+		return tag;
+	}
+
+	/**
+	 * Sets the forced tag/fourcc value for the video stream.
+	 * 
+	 * @param tag
+	 *            The the forced tag/fourcc value for the video stream.
+	 */
+	public void setTag(String tag) {
+		this.tag = tag;
+	}
+
+	/**
+	 * Returns the bitrate value for the encoding process.
+	 * 
+	 * @return The bitrate value for the encoding process.
+	 */
+	Integer getBitRate() {
+		return bitRate;
+	}
+
+	/**
+	 * Sets the bitrate value for the encoding process. If null or not specified
+	 * a default value will be picked.
+	 * 
+	 * @param bitRate
+	 *            The bitrate value for the encoding process.
+	 */
+	public void setBitRate(Integer bitRate) {
+		this.bitRate = bitRate;
+	}
+
+	/**
+	 * Returns the frame rate value for the encoding process.
+	 * 
+	 * @return The frame rate value for the encoding process.
+	 */
+	Integer getFrameRate() {
+		return frameRate;
+	}
+
+	/**
+	 * Sets the frame rate value for the encoding process. If null or not
+	 * specified a default value will be picked.
+	 * 
+	 * @param frameRate
+	 *            The frame rate value for the encoding process.
+	 */
+	public void setFrameRate(Integer frameRate) {
+		this.frameRate = frameRate;
+	}
+
+	/**
+	 * Returns the video size for the encoding process.
+	 * 
+	 * @return The video size for the encoding process.
+	 */
+	VideoSize getSize() {
+		return size;
+	}
+
+	/**
+	 * Sets the video size for the encoding process. If null or not specified
+	 * the source video size will not be modified.
+	 * 
+	 * @param size
+	 *            he video size for the encoding process.
+	 */
+	public void setSize(VideoSize size) {
+		this.size = size;
+	}
+
+	public String toString() {
+		return getClass().getName() + "(codec=" + codec + ", bitRate="
+				+ bitRate + ", frameRate=" + frameRate + ", size=" + size + ")";
+	}
+
+}

src/it/sauronsoftware/jave/VideoInfo.java

@@ -0,0 +1,133 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+/**
+ * Instances of this class report informations about a video stream that can be
+ * decoded.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class VideoInfo {
+
+	/**
+	 * The video stream decoder name.
+	 */
+	private String decoder;
+
+	/**
+	 * The video size. If null this information is not available.
+	 */
+	private VideoSize size = null;
+
+	/**
+	 * The video stream (average) bit rate. If less than 0, this information is
+	 * not available.
+	 */
+	private int bitRate = -1;
+
+	/**
+	 * The video frame rate. If less than 0 this information is not available.
+	 */
+	private float frameRate = -1;
+
+	/**
+	 * Returns the video stream decoder name.
+	 * 
+	 * @return The video stream decoder name.
+	 */
+	public String getDecoder() {
+		return decoder;
+	}
+
+	/**
+	 * Sets the video stream decoder name.
+	 * 
+	 * @param decoder
+	 *            The video stream decoder name.
+	 */
+	void setDecoder(String codec) {
+		this.decoder = codec;
+	}
+
+	/**
+	 * Returns the video size. If null this information is not available.
+	 * 
+	 * @return the size The video size.
+	 */
+	public VideoSize getSize() {
+		return size;
+	}
+
+	/**
+	 * Sets the video size.
+	 * 
+	 * @param size
+	 *            The video size.
+	 */
+	void setSize(VideoSize size) {
+		this.size = size;
+	}
+
+	/**
+	 * Returns the video frame rate. If less than 0 this information is not
+	 * available.
+	 * 
+	 * @return The video frame rate.
+	 */
+	public float getFrameRate() {
+		return frameRate;
+	}
+
+	/**
+	 * Sets the video frame rate.
+	 * 
+	 * @param frameRate
+	 *            The video frame rate.
+	 */
+	void setFrameRate(float frameRate) {
+		this.frameRate = frameRate;
+	}
+
+	/**
+	 * Returns the video stream (average) bit rate. If less than 0, this
+	 * information is not available.
+	 * 
+	 * @return The video stream (average) bit rate.
+	 */
+	public int getBitRate() {
+		return bitRate;
+	}
+
+	/**
+	 * Sets the video stream (average) bit rate.
+	 * 
+	 * @param bitRate
+	 *            The video stream (average) bit rate.
+	 */
+	void setBitRate(int bitRate) {
+		this.bitRate = bitRate;
+	}
+
+	public String toString() {
+		return getClass().getName() + " (decoder=" + decoder + ", size=" + size
+				+ ", bitRate=" + bitRate + ", frameRate=" + frameRate + ")";
+	}
+
+}

src/it/sauronsoftware/jave/VideoSize.java

@@ -0,0 +1,78 @@
+/*
+ * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
+ * 
+ * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.sauronsoftware.jave;
+
+import java.io.Serializable;
+
+/**
+ * Instances of this class report informations about videos size.
+ * 
+ * @author Carlo Pelliccia
+ */
+public class VideoSize implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * The video width.
+	 */
+	private int width;
+
+	/**
+	 * The video height.
+	 */
+	private int height;
+
+	/**
+	 * It builds the bean.
+	 * 
+	 * @param width
+	 *            The video width.
+	 * @param height
+	 *            The video height.
+	 */
+	public VideoSize(int width, int height) {
+		this.width = width;
+		this.height = height;
+	}
+
+	/**
+	 * Returns the video width.
+	 * 
+	 * @return The video width.
+	 */
+	public int getWidth() {
+		return width;
+	}
+
+	/**
+	 * Returns the video height.
+	 * 
+	 * @return The video height.
+	 */
+	public int getHeight() {
+		return height;
+	}
+
+	public String toString() {
+		return getClass().getName() + " (width=" + width + ", height=" + height
+				+ ")";
+	}
+
+}

src/it/sauronsoftware/jave/package.html

@@ -0,0 +1,5 @@
+<html>
+<body>
+<p>JAVE - Java Audio Video Encoder</p>
+</body>
+</html>

src/uk/co/majenko/audiobookrecorder/AudiobookRecorder.java

@@ -1172,13 +1172,11 @@ public class AudiobookRecorder extends JFrame {
                 int fullLength = 0;
 
                 Chapter c = o.nextElement();
-
+                if (c.getChildCount() == 0) continue;
                 String name = c.getName();
 
                 File exportFile = new File(export, name + ".wax");
                 File wavFile = new File(export, name + ".wav");
-                File mp3File = new File(export, name + "-untagged.mp3");
-                File taggedFile = new File(export, name + ".mp3");
 
                 FileOutputStream fos = new FileOutputStream(exportFile);
 
@@ -1205,11 +1203,29 @@ public class AudiobookRecorder extends JFrame {
 
                 FileInputStream fis = new FileInputStream(exportFile);
                 AudioInputStream ais = new AudioInputStream(fis, format, fullLength);
-                AudioSystem.write(ais, AudioFileFormat.Type.WAVE, wavFile);
+                fos = new FileOutputStream(wavFile);
+                AudioSystem.write(ais, AudioFileFormat.Type.WAVE, fos);
+                fos.flush();
+                fos.close();
                 fis.close();
                 exportFile.delete();
+            }
 
+
+
+            for (Enumeration<Chapter> o = book.children(); o.hasMoreElements();) {
+
+                Chapter c = o.nextElement();
+                if (c.getChildCount() == 0) continue;
+                String name = c.getName();
+
+                File wavFile = new File(export, name + ".wav");
+                File mp3File = new File(export, name + "-untagged.mp3");
+                File taggedFile = new File(export, name + ".mp3");
+
+                System.err.println(attributes);
                 encoder.encode(wavFile, mp3File, attributes);
+
                 Mp3File id3 = new Mp3File(mp3File);
 
                 ID3v2 tags = new ID3v24Tag();