src/main/java/eu/svjatoslav/meviz/encoder/CommandlineHandler.java

   1 /*
   2  * Meviz - Various tools collection to work with multimedia.
   3  * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of version 2 of the GNU General Public License
   7  * as published by the Free Software Foundation.
   8  */
   9
  10 package eu.svjatoslav.meviz.encoder;
  11
  12 import eu.svjatoslav.commons.commandline.parameterparser.Parser;
  13 import eu.svjatoslav.commons.commandline.parameterparser.parameter.DirectoryParameter;
  14 import eu.svjatoslav.commons.commandline.parameterparser.parameter.IntegerParameter;
  15 import eu.svjatoslav.commons.commandline.parameterparser.parameter.NullParameter;
  16 import eu.svjatoslav.commons.commandline.parameterparser.parameter.StringParameters;
  17
  18 public class CommandlineHandler {
  19
  20         Parser parser = new Parser();
  21
  22         StringParameters outputFormatParameter = parser.add(new StringParameters("Encoding output format."))
  23                         .addAliases("-o", "--output-format").setMandatory();
  24
  25         IntegerParameter targetFramerate = parser
  26                         .add(new IntegerParameter("Target framerate.").addAliases("-f", "--target-framerate"));
  27
  28         NullParameter deinterlaceParameter = parser.add(new NullParameter("Deinterlace video.")).addAliases("-d",
  29                         "--deinterlace");
  30
  31         NullParameter testParameter = parser.add(new NullParameter("Simulate file encoding.")).addAliases("-t", "--test");
  32
  33         NullParameter recursiveParameter = parser.add(new NullParameter("Enable recursive mode.")).addAliases("-r",
  34                         "--recursive");
  35
  36         NullParameter forPortableParameter = parser.add(new NullParameter("Encode for portable player.")).addAliases("-p",
  37                         "--portable");
  38
  39         StringParameters inputPatternParameter = parser.add(new StringParameters("File input pattern."))
  40                         .addAliases("-i", "--input-pattern").setMandatory();
  41
  42         DirectoryParameter workingDirectoryParameter = parser.add(new DirectoryParameter("Working directory."))
  43                         .addAliases("-w", "--working-directory").mustExist();
  44
  45         BitrateParameter videoBitrateParameter = parser.add(new BitrateParameter("Video bitrate")).addAliases("-v",
  46                         "--video-bitrate");
  47
  48         BitrateParameter audioBitrateParameter = parser.add(new BitrateParameter("Audio bitrate")).addAliases("-a",
  49                         "--audio-bitrate");
  50
  51         /**
  52          * @return {@link EncodingOptions} if commandline arguments were
  53          *         successfully parsed, or <code>null</code> if parsing error
  54          *         occurred.
  55          */
  56         public EncodingOptions parseCommandlineArguments(final String[] args) {
  57
  58                 final EncodingOptions options = new EncodingOptions();
  59
  60                 parser.parse(args);
  61
  62                 options.setRecursive(recursiveParameter.isParameterSpecified());
  63
  64                 options.setDeinterlace(deinterlaceParameter.isParameterSpecified());
  65
  66                 options.setTestOnly(testParameter.isParameterSpecified());
  67
  68                 if (outputFormatParameter.isParameterSpecified())
  69                         options.getOutputFormats().addAll(outputFormatParameter.getValue());
  70
  71                 if (targetFramerate.isParameterSpecified())
  72                         options.setTargetFps(targetFramerate.getValue());
  73
  74                 if (workingDirectoryParameter.isParameterSpecified())
  75                         options.setWorkingDirectory(workingDirectoryParameter.getValue());
  76
  77                 if (inputPatternParameter.isParameterSpecified())
  78                         options.getInputPatterns().addAll(inputPatternParameter.getValue());
  79
  80                 options.setForPortablePlayer(forPortableParameter.isParameterSpecified());
  81
  82                 if (videoBitrateParameter.isParameterSpecified())
  83                         options.setVideoBitrate(videoBitrateParameter.getValue());
  84
  85                 if (audioBitrateParameter.isParameterSpecified())
  86                         options.setAudioBitrate(audioBitrateParameter.getValue());
  87
  88                 return options;
  89         }
  90 }