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Diffstat (limited to 'src/include/soundformat.h')
| -rw-r--r-- | src/include/soundformat.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/include/soundformat.h b/src/include/soundformat.h new file mode 100644 index 0000000..0f07d9a --- /dev/null +++ b/src/include/soundformat.h @@ -0,0 +1,75 @@ +/*************************************************************************** + soundformat.h - description + ------------------- + begin : Sun Aug 1 2004 + copyright : (C) 2004 by Martin Witte + email : witte@kawo1.rwth-aachen.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 KRADIO_SOUNDFORMAT_H +#define KRADIO_SOUNDFORMAT_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <endian.h> +#include <tqstring.h> +#include <tdeconfig.h> + +struct SoundFormat { + unsigned m_SampleRate; + unsigned m_Channels; + unsigned m_SampleBits; + bool m_IsSigned; + unsigned m_Endianess; + TQString m_Encoding; // "raw", "mp3", ... (no "wav", because it's only header + raw data) + + SoundFormat(unsigned sample_rate, unsigned channels, unsigned sample_bits, bool is_signed, unsigned endianess, const TQString &enc) + : m_SampleRate(sample_rate), m_Channels(channels), m_SampleBits(sample_bits), m_IsSigned(is_signed), m_Endianess(endianess), m_Encoding(enc) {} + SoundFormat(unsigned sample_rate, unsigned channels, unsigned sample_bits, bool is_signed, unsigned endianess) + : m_SampleRate(sample_rate), m_Channels(channels), m_SampleBits(sample_bits), m_IsSigned(is_signed), m_Endianess(endianess), m_Encoding("raw") {} + SoundFormat(unsigned sample_rate, unsigned channels, unsigned sample_bits, bool is_signed) + : m_SampleRate(sample_rate), m_Channels(channels), m_SampleBits(sample_bits), m_IsSigned(is_signed), m_Endianess(BYTE_ORDER), m_Encoding("raw") {} + SoundFormat(bool stereo) + : m_SampleRate(44100), m_Channels(stereo ? 2 : 1), m_SampleBits(16), m_IsSigned(true), m_Endianess(BYTE_ORDER), m_Encoding("raw") {} + SoundFormat() + : m_SampleRate(44100), m_Channels(2), m_SampleBits(16), m_IsSigned(true), m_Endianess(BYTE_ORDER), m_Encoding("raw") {} + + bool operator == (const SoundFormat &o) const { return m_SampleRate == o.m_SampleRate && + m_Channels == o.m_Channels && + m_SampleBits == o.m_SampleBits && + m_IsSigned == o.m_IsSigned && + m_Endianess == o.m_Endianess && + m_Encoding == o.m_Encoding + ; + } + bool operator != (const SoundFormat &o) const { return !operator == (o); } + + int sampleSize() const; // size of a single sample + int frameSize() const; // sampleSize * channels + int minValue() const; + int maxValue() const; + + void restoreConfig(const TQString &prefix, TDEConfig *c); + void saveConfig(const TQString &prefix, TDEConfig *c) const; + + int convertSampleToInt(const char *sample, bool do_scale) const; + void convertIntToSample(int src, char *dst, bool is_scaled) const; + void convertSamplesToInts(const char *src, int *dst, size_t n, bool do_scale) const; + void convertIntsToSamples(const int *src, char *dst, size_t n, bool is_scaled) const; + void convertSamplesToFloat (const char *src, float **dst, size_t n) const; + void convertFloatsToSamples(const float **src, char *dst, size_t n) const; +}; + + +#endif |