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/***************************************************************************
PlayBackParam.h - class with parameters for playback
-------------------
begin : Tue May 15 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef PLAY_BACK_PARAM_H
#define PLAY_BACK_PARAM_H
#include "libkwave_export.h"
#include <QtGlobal>
#include <QString>
namespace Kwave
{
/**
* enum for the known playback methods
* (sorted, preferred first)
*/
typedef enum {
PLAYBACK_NONE = 0, /**< none selected */
PLAYBACK_JACK, /**< Jack sound daemon */
PLAYBACK_QT_AUDIO, /**< Qt Multimedia */
PLAYBACK_PULSEAUDIO, /**< PulseAudio Sound Server */
PLAYBACK_ALSA, /**< ALSA native */
PLAYBACK_OSS, /**< OSS native or ALSA OSS emulation */
PLAYBACK_INVALID /**< (keep this the last entry, EOL delimiter) */
} playback_method_t;
/** post-increment operator for the playback method */
inline Kwave::playback_method_t &operator ++(Kwave::playback_method_t &m) {
return (m = (m < Kwave::PLAYBACK_INVALID) ?
static_cast<Kwave::playback_method_t>(static_cast<int>(m) + 1) : m);
}
/**
* A class that contains all necessary parameters for
* setting up (initializing) a playback device.
*/
class LIBKWAVE_EXPORT PlayBackParam
{
public:
/** Default constructor */
PlayBackParam()
:rate(44100), channels(2), bits_per_sample(16),
device(), bufbase(10),
method(Kwave::PLAYBACK_NONE)
{
}
/** Sample rate [samples/second] */
double rate;
/** Number of channels. */
unsigned int channels;
/** Resolution [bits/sample] */
unsigned int bits_per_sample;
/** Path to the output device */
QString device;
/** base of the buffer size (buffer size will be 2^bufbase) */
unsigned int bufbase;
/** method/class to use for playback */
Kwave::playback_method_t method;
};
}
#endif /* PLAY_BACK_PARAM_H */
//***************************************************************************
//***************************************************************************
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