2 * Meviz - Various tools collection to work with multimedia.
3 * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
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.
10 package eu.svjatoslav.meviz.encoder;
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.NullParameter;
15 import eu.svjatoslav.commons.commandline.parameterparser.parameter.StringParameter;
17 public class CommandlineHandler {
19 Parser parser = new Parser();
21 StringParameter outputFormatParameter = parser
22 .createStringParameter("Encoding output format.")
23 .addAliases("-o", "--output-format").setMandatory();
25 NullParameter deinterlaceParameter = parser.createNullParameter(
26 "Deinterlace video.").addAliases("--deinterlace", "-d");
28 NullParameter testParameter = parser.createNullParameter(
29 "Simulate file encoding.").addAliases("-t", "--test");
31 NullParameter recursiveParameter = parser.createNullParameter(
32 "Enable recursive mode.").addAliases("-r", "--recursive");
34 StringParameter inputPatternParameter = parser
35 .createStringParameter("File input pattern.")
36 .addAliases("-i", "--input-pattern").setMandatory();
38 DirectoryParameter workingDirectoryParameter = parser
39 .createDirectoryParameter("Working directory.")
40 .addAliases("-w", "--working-directory").mustExist();
42 BitrateParameter videoBitrateParameter = new BitrateParameter(
45 public CommandlineHandler() {
46 videoBitrateParameter.addAliases("-v", "--video-bitrate");
47 parser.addParameter(videoBitrateParameter);
51 * @return {@link EncodingOptions} if commandline arguments were
52 * successfully parsed, or <code>null</code> if parsing error
55 public EncodingOptions parseCommandlineArguments(final String[] args) {
57 final EncodingOptions options = new EncodingOptions();
61 if (recursiveParameter.isParameterSpecified())
62 options.recursive = true;
64 if (deinterlaceParameter.isParameterSpecified())
65 options.deinterlace = true;
67 if (testParameter.isParameterSpecified())
68 options.testOnly = true;
70 if (outputFormatParameter.isParameterSpecified())
71 options.outputFormats.addAll(outputFormatParameter
72 .getArgumentsAsStrings());
74 if (workingDirectoryParameter.isParameterSpecified())
75 options.workingDirectory = workingDirectoryParameter
76 .getArgumentsAsFiles().get(0);
78 if (inputPatternParameter.isParameterSpecified())
79 options.inputPatterns.addAll(inputPatternParameter
80 .getArgumentsAsStrings());
82 if (videoBitrateParameter.isParameterSpecified())
84 options.videoBitrate = videoBitrateParameter.getValue();
85 } catch (final Exception e) {
87 .println("Invalid video bitrate. Valid values are: LOW, MEDIUM, HIGH.");