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76 lines
4.1 KiB
76 lines
4.1 KiB
/***************************************************************************
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soundformat.h - description
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-------------------
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begin : Sun Aug 1 2004
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copyright : (C) 2004 by Martin Witte
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email : witte@kawo1.rwth-aachen.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef KRADIO_SOUNDFORMAT_H
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#define KRADIO_SOUNDFORMAT_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <endian.h>
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#include <tqstring.h>
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#include <tdeconfig.h>
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struct KDE_EXPORT SoundFormat {
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unsigned m_SampleRate;
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unsigned m_Channels;
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unsigned m_SampleBits;
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bool m_IsSigned;
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unsigned m_Endianess;
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TQString m_Encoding; // "raw", "mp3", ... (no "wav", because it's only header + raw data)
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SoundFormat(unsigned sample_rate, unsigned channels, unsigned sample_bits, bool is_signed, unsigned endianess, const TQString &enc)
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: m_SampleRate(sample_rate), m_Channels(channels), m_SampleBits(sample_bits), m_IsSigned(is_signed), m_Endianess(endianess), m_Encoding(enc) {}
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SoundFormat(unsigned sample_rate, unsigned channels, unsigned sample_bits, bool is_signed, unsigned endianess)
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: m_SampleRate(sample_rate), m_Channels(channels), m_SampleBits(sample_bits), m_IsSigned(is_signed), m_Endianess(endianess), m_Encoding("raw") {}
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SoundFormat(unsigned sample_rate, unsigned channels, unsigned sample_bits, bool is_signed)
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: m_SampleRate(sample_rate), m_Channels(channels), m_SampleBits(sample_bits), m_IsSigned(is_signed), m_Endianess(BYTE_ORDER), m_Encoding("raw") {}
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SoundFormat(bool stereo)
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: m_SampleRate(44100), m_Channels(stereo ? 2 : 1), m_SampleBits(16), m_IsSigned(true), m_Endianess(BYTE_ORDER), m_Encoding("raw") {}
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SoundFormat()
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: m_SampleRate(44100), m_Channels(2), m_SampleBits(16), m_IsSigned(true), m_Endianess(BYTE_ORDER), m_Encoding("raw") {}
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bool operator == (const SoundFormat &o) const { return m_SampleRate == o.m_SampleRate &&
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m_Channels == o.m_Channels &&
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m_SampleBits == o.m_SampleBits &&
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m_IsSigned == o.m_IsSigned &&
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m_Endianess == o.m_Endianess &&
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m_Encoding == o.m_Encoding
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;
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}
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bool operator != (const SoundFormat &o) const { return !operator == (o); }
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int sampleSize() const; // size of a single sample
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int frameSize() const; // sampleSize * channels
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int minValue() const;
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int maxValue() const;
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void restoreConfig(const TQString &prefix, TDEConfig *c);
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void saveConfig(const TQString &prefix, TDEConfig *c) const;
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int convertSampleToInt(const char *sample, bool do_scale) const;
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void convertIntToSample(int src, char *dst, bool is_scaled) const;
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void convertSamplesToInts(const char *src, int *dst, size_t n, bool do_scale) const;
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void convertIntsToSamples(const int *src, char *dst, size_t n, bool is_scaled) const;
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void convertSamplesToFloat (const char *src, float **dst, size_t n) const;
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void convertFloatsToSamples(const float **src, char *dst, size_t n) const;
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};
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#endif
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