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
  23                         .add(new StringParameters("Encoding output format."))
  24                         .addAliases("-o", "--output-format").setMandatory();
  25
  26         IntegerParameter targetFramerate = parser.add(new IntegerParameter(
  27                         "Target framerate.").addAliases("-f", "--target-frame"));
  28
  29         NullParameter deinterlaceParameter = parser.add(
  30                         new NullParameter("Deinterlace video.")).addAliases("-d",
  31                         "--deinterlace");
  32
  33         NullParameter testParameter = parser.add(
  34                         new NullParameter("Simulate file encoding.")).addAliases("-t",
  35                         "--test");
  36
  37         NullParameter recursiveParameter = parser.add(
  38                         new NullParameter("Enable recursive mode.")).addAliases("-r",
  39                         "--recursive");
  40
  41         NullParameter forPortableParameter = parser.add(
  42                         new NullParameter("Encode for portable player.")).addAliases("-p",
  43                         "--portable");
  44
  45         StringParameters inputPatternParameter = parser
  46                         .add(new StringParameters("File input pattern."))
  47                         .addAliases("-i", "--input-pattern").setMandatory();
  48
  49         DirectoryParameter workingDirectoryParameter = parser
  50                         .add(new DirectoryParameter("Working directory."))
  51                         .addAliases("-w", "--working-directory").mustExist();
  52
  53         BitrateParameter videoBitrateParameter = parser.add(
  54                         new BitrateParameter("Video bitrate")).addAliases("-v",
  55                         "--video-bitrate");
  56
  57         BitrateParameter audioBitrateParameter = parser.add(
  58                         new BitrateParameter("Audio bitrate")).addAliases("-a",
  59                         "--audio-bitrate");
  60
  61         /**
  62          * @return {@link EncodingOptions} if commandline arguments were
  63          *         successfully parsed, or <code>null</code> if parsing error
  64          *         occurred.
  65          */
  66         public EncodingOptions parseCommandlineArguments(final String[] args) {
  67
  68                 final EncodingOptions options = new EncodingOptions();
  69
  70                 parser.parse(args);
  71
  72                 options.setRecursive(recursiveParameter.isParameterSpecified());
  73
  74                 options.setDeinterlace(deinterlaceParameter.isParameterSpecified());
  75
  76                 options.setTestOnly(testParameter.isParameterSpecified());
  77
  78                 if (outputFormatParameter.isParameterSpecified())
  79                         options.getOutputFormats().addAll(outputFormatParameter.getValue());
  80
  81                 if (targetFramerate.isParameterSpecified())
  82                         options.setTargetFps(targetFramerate.getValue());
  83
  84                 if (workingDirectoryParameter.isParameterSpecified())
  85                         options.setWorkingDirectory(workingDirectoryParameter.getValue());
  86
  87                 if (inputPatternParameter.isParameterSpecified())
  88                         options.getInputPatterns().addAll(inputPatternParameter.getValue());
  89
  90                 options.setForPortablePlayer(forPortableParameter
  91                                 .isParameterSpecified());
  92
  93                 if (videoBitrateParameter.isParameterSpecified())
  94                         options.setVideoBitrate(videoBitrateParameter.getValue());
  95
  96                 if (audioBitrateParameter.isParameterSpecified())
  97                         options.setAudioBitrate(audioBitrateParameter.getValue());
  98
  99                 return options;
 100         }
 101 }