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/* Sound.h - an object that holds the sound structure
* Copyright (C) 2006-2007, Pino Toscano <pino@kde.org>
* Copyright (C) 2017-2020, Albert Astals Cid <aacid@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef Sound_H
#define Sound_H
#include <memory>
class Object;
class Stream;
//------------------------------------------------------------------------
enum SoundKind {
soundEmbedded, // embedded sound
soundExternal // external sound
};
enum SoundEncoding {
soundRaw, // raw encoding
soundSigned, // twos-complement values
soundMuLaw, // mu-law-encoded samples
soundALaw // A-law-encoded samples
};
class Sound
{
public:
// Try to parse the Object obj
static std::unique_ptr<Sound> parseSound(Object *obj);
// Destructor
~Sound();
Sound(const Sound &) = delete;
Sound& operator=(const Sound &) = delete;
const Object *getObject() const { return &streamObj; }
Stream *getStream();
SoundKind getSoundKind() const { return kind; }
const std::string &getFileName() const { return fileName; }
double getSamplingRate() const { return samplingRate; }
int getChannels() const { return channels; }
int getBitsPerSample() const { return bitsPerSample; }
SoundEncoding getEncoding() const { return encoding; }
Sound *copy() const;
private:
// Create a sound. The Object obj is ensured to be a Stream with a Dict
Sound(const Object *obj, bool readAttrs = true);
Object streamObj;
SoundKind kind;
std::string fileName;
double samplingRate;
int channels;
int bitsPerSample;
SoundEncoding encoding;
};
#endif
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