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50
51#include "audiodecoder.h"
52
53#include <QCoreApplication>
54#include <QDir>
55#include <QFileInfo>
56#include <QTextStream>
57
58#include <stdio.h>
59
60int main(int argc, char *argv[])
61{
62 QCoreApplication app(argc, argv);
63
64 QTextStream cout(stdout, QIODevice::WriteOnly);
65 if (app.arguments().size() < 2) {
66 cout << "Usage: audiodecoder [-p] [-pd] SOURCEFILE [TARGETFILE]\n";
67 cout << "Set -p option if you want to play output file.\n";
68 cout << "Set -pd option if you want to play output file and delete it after successful playback.\n";
69 cout << "Default TARGETFILE name is \"out.wav\" in the same directory as the source file.\n";
70 return 0;
71 }
72
73 bool isPlayback = false;
74 bool isDelete = false;
75
76 if (app.arguments().at(i: 1) == "-p")
77 isPlayback = true;
78 else if (app.arguments().at(i: 1) == "-pd") {
79 isPlayback = true;
80 isDelete = true;
81 }
82
83 QFileInfo sourceFile;
84 QFileInfo targetFile;
85
86 int sourceFileIndex = (isPlayback || isDelete) ? 2 : 1;
87 if (app.arguments().size() <= sourceFileIndex) {
88 cout << "Error: source filename is not specified.\n";
89 return 0;
90 }
91 sourceFile.setFile(app.arguments().at(i: sourceFileIndex));
92 if (app.arguments().size() > sourceFileIndex + 1)
93 targetFile.setFile(app.arguments().at(i: sourceFileIndex + 1));
94 else
95 targetFile.setFile(sourceFile.dir().absoluteFilePath(fileName: "out.wav"));
96
97 AudioDecoder decoder(isPlayback, isDelete);
98 QObject::connect(sender: &decoder, signal: &AudioDecoder::done,
99 context: &app, slot: &QCoreApplication::quit);
100 decoder.setSourceFilename(sourceFile.absoluteFilePath());
101 decoder.setTargetFilename(targetFile.absoluteFilePath());
102 decoder.start();
103
104 return app.exec();
105}
106

source code of qtmultimedia/examples/multimedia/audiodecoder/main.cpp