writer.h

   1 /*
   2         Skype Call Recorder
   3         Copyright 2008 - 2009 by jlh (jlh at gmx dot ch)
   4
   5         This program is free software; you can redistribute it and/or modify it
   6         under the terms of the GNU General Public License as published by the
   7         Free Software Foundation; either version 2 of the License, version 3 of
   8         the License, or (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful, but
  11         WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13         General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License along
  16         with this program; if not, write to the Free Software Foundation, Inc.,
  17         51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19         The GNU General Public License version 2 is included with the source of
  20         this program under the file name COPYING.  You can also get a copy on
  21         http://www.fsf.org/
  22 */
  23
  24 #ifndef WRITER_H
  25 #define WRITER_H
  26
  27 #include <QFile>
  28 #include <QDateTime>
  29 #include <QString>
  30
  31 #include "common.h"
  32
  33 class QByteArray;
  34
  35 class AudioFileWriter {
  36 public:
  37         AudioFileWriter();
  38         virtual ~AudioFileWriter();
  39
  40         // tags should be set before open() if possible, but can also be set
  41         // and re-set later, but not after close().  tags will be written to
  42         // disk at arbitrary times, but close() guarantees they are written.
  43         // however, if a writer doesn't support tags at all, they are silently
  44         // ignored.
  45         virtual void setTags(const QString &, const QDateTime &);
  46
  47         // Note: you're not supposed to reopen after a close
  48         virtual bool open(const QString &, long, bool);
  49         virtual void close();
  50         virtual bool write(QByteArray &, QByteArray &, long, bool = false) = 0;
  51         QString fileName() const { return file.fileName(); }
  52
  53 protected:
  54         QFile file;
  55         long sampleRate;
  56         bool stereo;
  57         qint64 samplesWritten;
  58         QString tagComment;
  59         QDateTime tagTime;
  60         bool mustWriteTags;
  61
  62         DISABLE_COPY_AND_ASSIGNMENT(AudioFileWriter);
  63 };
  64
  65 #endif
  66