Java tutorial
/* * PS3 Media Server, for streaming any medias to your PS3. * Copyright (C) 2008 A.Brochard * * 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; version 2 * of the License only. * * 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, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package net.pms.encoders; import com.jgoodies.forms.builder.PanelBuilder; import com.jgoodies.forms.factories.Borders; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; import java.awt.Component; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.StringTokenizer; import javax.swing.JCheckBox; import javax.swing.JComponent; import javax.swing.JOptionPane; import javax.swing.SwingUtilities; import net.pms.Messages; import net.pms.PMS; import net.pms.configuration.PmsConfiguration; import net.pms.dlna.DLNAMediaSubtitle; import net.pms.dlna.DLNAResource; import net.pms.formats.Format; import net.pms.formats.v2.SubtitleType; import net.pms.newgui.GuiUtil; import net.pms.util.PlayerUtil; import net.pms.util.ProcessUtil; import org.apache.commons.configuration.event.ConfigurationEvent; import org.apache.commons.configuration.event.ConfigurationListener; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /* * This class handles the Windows-specific AviSynth/FFmpeg player combination. */ public class AviSynthFFmpeg extends FFMpegVideo { private static final Logger LOGGER = LoggerFactory.getLogger(AviSynthFFmpeg.class); public static final String ID = "avsffmpeg"; @Override public String id() { return ID; } @Override public String name() { return "AviSynth/FFmpeg"; } @Override public boolean avisynth() { return true; } @Override public String initialString() { String threads = ""; if (configuration.isFfmpegAviSynthMultithreading()) { threads = " -threads " + configuration.getNumberOfCpuCores(); } return configuration.getMPEG2MainSettingsFFmpeg() + " -ab " + configuration.getAudioBitrate() + "k" + threads; } @Override public JComponent config() { return config("NetworkTab.5"); } @Override public boolean isGPUAccelerationReady() { return true; } public static File getAVSScript(String filename, DLNAMediaSubtitle subTrack) throws IOException { return getAVSScript(filename, subTrack, -1, -1, null, null, _configuration); } /* * Generate the AviSynth script based on the user's settings */ public static File getAVSScript(String filename, DLNAMediaSubtitle subTrack, int fromFrame, int toFrame, String frameRateRatio, String frameRateNumber, PmsConfiguration configuration) throws IOException { String onlyFileName = filename.substring(1 + filename.lastIndexOf('\\')); File file = new File(configuration.getTempFolder(), "pms-avs-" + onlyFileName + ".avs"); try (PrintWriter pw = new PrintWriter(new FileOutputStream(file))) { String numerator; String denominator; if (frameRateRatio != null && frameRateNumber != null) { if (frameRateRatio.equals(frameRateNumber)) { // No ratio was available numerator = frameRateRatio; denominator = "1"; } else { String[] frameRateNumDen = frameRateRatio.split("/"); numerator = frameRateNumDen[0]; denominator = "1001"; } } else { // No framerate was given so we should try the most common one numerator = "24000"; denominator = "1001"; frameRateNumber = "23.976"; } String assumeFPS = ".AssumeFPS(" + numerator + "," + denominator + ")"; String directShowFPS = ""; if (!"0".equals(frameRateNumber)) { directShowFPS = ", fps=" + frameRateNumber; } String convertfps = ""; if (configuration.getFfmpegAvisynthConvertFps()) { convertfps = ", convertfps=true"; } File f = new File(filename); if (f.exists()) { filename = ProcessUtil.getShortFileNameIfWideChars(filename); } String movieLine = "DirectShowSource(\"" + filename + "\"" + directShowFPS + convertfps + ")" + assumeFPS; String mtLine1 = ""; String mtLine2 = ""; String interframeLines = null; String interframePath = configuration.getInterFramePath(); int Cores = 1; if (configuration.isFfmpegAviSynthMultithreading()) { Cores = configuration.getNumberOfCpuCores(); // Goes at the start of the file to initiate multithreading mtLine1 = "SetMemoryMax(512)\nSetMTMode(3," + Cores + ")\n"; // Goes after the input line to make multithreading more efficient mtLine2 = "SetMTMode(2)"; } // True Motion if (configuration.getFfmpegAvisynthInterFrame()) { String GPU = ""; movieLine += ".ConvertToYV12()"; // Enable GPU to assist with CPU if (configuration.getFfmpegAvisynthInterFrameGPU() && interframegpu.isEnabled()) { GPU = ", GPU=true"; } interframeLines = "\n" + "PluginPath = \"" + interframePath + "\"\n" + "LoadPlugin(PluginPath+\"svpflow1.dll\")\n" + "LoadPlugin(PluginPath+\"svpflow2.dll\")\n" + "Import(PluginPath+\"InterFrame2.avsi\")\n" + "InterFrame(Cores=" + Cores + GPU + ", Preset=\"Faster\")\n"; } String subLine = null; if (subTrack != null && configuration.isAutoloadExternalSubtitles() && !configuration.isDisableSubtitles()) { if (subTrack.getExternalFile() != null) { LOGGER.info("AviSynth script: Using subtitle track: " + subTrack); String function = "TextSub"; if (subTrack.getType() == SubtitleType.VOBSUB) { function = "VobSub"; } subLine = function + "(\"" + ProcessUtil.getShortFileNameIfWideChars(subTrack.getExternalFile().getAbsolutePath()) + "\")"; } } ArrayList<String> lines = new ArrayList<>(); lines.add(mtLine1); boolean fullyManaged = false; String script = "<movie>\n<sub>\n"; StringTokenizer st = new StringTokenizer(script, PMS.AVS_SEPARATOR); while (st.hasMoreTokens()) { String line = st.nextToken(); if (line.contains("<movie") || line.contains("<sub")) { fullyManaged = true; } lines.add(line); } if (configuration.getFfmpegAvisynthInterFrame()) { lines.add(mtLine2); lines.add(interframeLines); } if (fullyManaged) { for (String s : lines) { if (s.contains("<moviefilename>")) { s = s.replace("<moviefilename>", filename); } s = s.replace("<movie>", movieLine); s = s.replace("<sub>", subLine != null ? subLine : "#"); pw.println(s); } } else { pw.println(movieLine); if (subLine != null) { pw.println(subLine); } pw.println("clip"); } } file.deleteOnExit(); return file; } private JCheckBox multithreading; private JCheckBox interframe; private static JCheckBox interframegpu; private JCheckBox convertfps; @Override protected JComponent config(String languageLabel) { FormLayout layout = new FormLayout("left:pref, 0:grow", "p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu"); PanelBuilder builder = new PanelBuilder(layout); builder.border(Borders.EMPTY); builder.opaque(false); CellConstraints cc = new CellConstraints(); JComponent cmp = builder.addSeparator(Messages.getString(languageLabel), cc.xyw(2, 1, 1)); cmp = (JComponent) cmp.getComponent(0); cmp.setFont(cmp.getFont().deriveFont(Font.BOLD)); multithreading = new JCheckBox(Messages.getString("MEncoderVideo.35"), configuration.isFfmpegAviSynthMultithreading()); multithreading.setContentAreaFilled(false); multithreading.addItemListener(new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { configuration.setFfmpegAviSynthMultithreading(e.getStateChange() == ItemEvent.SELECTED); } }); builder.add(GuiUtil.getPreferredSizeComponent(multithreading), cc.xy(2, 3)); interframe = new JCheckBox(Messages.getString("AviSynthMEncoder.13"), configuration.getFfmpegAvisynthInterFrame()); interframe.setContentAreaFilled(false); interframe.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { configuration.setFfmpegAvisynthInterFrame(interframe.isSelected()); if (configuration.getFfmpegAvisynthInterFrame()) { JOptionPane.showMessageDialog( SwingUtilities.getWindowAncestor((Component) PMS.get().getFrame()), Messages.getString("AviSynthMEncoder.16"), Messages.getString("Dialog.Information"), JOptionPane.INFORMATION_MESSAGE); } } }); builder.add(GuiUtil.getPreferredSizeComponent(interframe), cc.xy(2, 5)); interframegpu = new JCheckBox(Messages.getString("AviSynthMEncoder.15"), configuration.getFfmpegAvisynthInterFrameGPU()); interframegpu.setContentAreaFilled(false); interframegpu.addItemListener(new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { configuration.setFfmpegAvisynthInterFrameGPU((e.getStateChange() == ItemEvent.SELECTED)); } }); builder.add(GuiUtil.getPreferredSizeComponent(interframegpu), cc.xy(2, 7)); convertfps = new JCheckBox(Messages.getString("AviSynthMEncoder.3"), configuration.getFfmpegAvisynthConvertFps()); convertfps.setContentAreaFilled(false); convertfps.addItemListener(new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { configuration.setFfmpegAvisynthConvertFps((e.getStateChange() == ItemEvent.SELECTED)); } }); builder.add(GuiUtil.getPreferredSizeComponent(convertfps), cc.xy(2, 9)); configuration.addConfigurationListener(new ConfigurationListener() { @Override public void configurationChanged(ConfigurationEvent event) { if (event.getPropertyName() == null) { return; } if ((!event.isBeforeUpdate()) && event.getPropertyName().equals(PmsConfiguration.KEY_GPU_ACCELERATION)) { interframegpu.setEnabled(configuration.isGPUAcceleration()); } } }); return builder.getPanel(); } /** * {@inheritDoc} */ @Override public boolean isCompatible(DLNAResource resource) { Format format = resource.getFormat(); if (format != null) { if (format.getIdentifier() == Format.Identifier.WEB) { return false; } } DLNAMediaSubtitle subtitle = resource.getMediaSubtitle(); // Check whether the subtitle actually has a language defined, // uninitialized DLNAMediaSubtitle objects have a null language. if (subtitle != null && subtitle.getLang() != null) { // The resource needs a subtitle, but this engine implementation does not support subtitles yet return false; } try { String audioTrackName = resource.getMediaAudio().toString(); String defaultAudioTrackName = resource.getMedia().getAudioTracksList().get(0).toString(); if (!audioTrackName.equals(defaultAudioTrackName)) { // This engine implementation only supports playback of the default audio track at this time return false; } } catch (NullPointerException e) { LOGGER.trace("AviSynth/FFmpeg cannot determine compatibility based on audio track for " + resource.getSystemName()); } catch (IndexOutOfBoundsException e) { LOGGER.trace("AviSynth/FFmpeg cannot determine compatibility based on default audio track for " + resource.getSystemName()); } if (PlayerUtil.isVideo(resource, Format.Identifier.MKV) || PlayerUtil.isVideo(resource, Format.Identifier.MPG)) { return true; } return false; } }