1 /* 2 SPDX-FileCopyrightText: 2007-2009 Sergio Pistone <sergio_pistone@yahoo.com.ar> 3 SPDX-FileCopyrightText: 2010-2018 Mladen Milinkovic <max@smoothware.net> 4 5 SPDX-License-Identifier: GPL-2.0-or-later 6 */ 7 8 #ifndef WAVEFORMAT_H 9 #define WAVEFORMAT_H 10 11 #include <QString> 12 13 class WaveFormat 14 { 15 // valid bits per sample a 8, 16, 24 & 32 (all signed, except 8) 16 17 public: WaveFormat()18 WaveFormat() : 19 m_sampleRate(44100), 20 m_channels(2), 21 m_bitsPerSample(16), 22 m_integer(true) 23 {} 24 25 WaveFormat(int sampleRate, int channels, int bitsPerSample, bool integer = true) : m_sampleRate(sampleRate)26 m_sampleRate(sampleRate), 27 m_channels(channels), 28 m_bitsPerSample(bitsPerSample), 29 m_integer(integer) 30 {} 31 WaveFormat(const WaveFormat & wf)32 WaveFormat(const WaveFormat &wf) : 33 m_sampleRate(wf.m_sampleRate), 34 m_channels(wf.m_channels), 35 m_bitsPerSample(wf.m_bitsPerSample), 36 m_integer(wf.m_integer) 37 {} 38 39 WaveFormat & operator=(const WaveFormat &wf) 40 { 41 if(this == &wf) 42 return *this; 43 m_sampleRate = wf.m_sampleRate; 44 m_channels = wf.m_channels; 45 m_bitsPerSample = wf.m_bitsPerSample; 46 m_integer = wf.m_integer; 47 return *this; 48 } 49 50 bool operator==(const WaveFormat &wf) const { return m_sampleRate == wf.sampleRate() && m_channels == wf.m_channels && m_bitsPerSample == wf.m_bitsPerSample; } 51 bool operator!=(const WaveFormat &wf) const { return m_sampleRate != wf.sampleRate() || m_channels != wf.m_channels || m_bitsPerSample != wf.m_bitsPerSample; } 52 isValid()53 inline bool isValid() const { return m_sampleRate > 0 && m_channels > 0 && m_bitsPerSample > 0 && (m_bitsPerSample % 8 == 0) && m_bitsPerSample <= 32; } 54 sampleRate()55 inline int sampleRate() const { return m_sampleRate; } setSampleRate(int value)56 inline void setSampleRate(int value) { m_sampleRate = value; } 57 channels()58 inline int channels() const { return m_channels; } setChannels(int value)59 inline void setChannels(int value) { m_channels = value; } 60 bitsPerSample()61 inline int bitsPerSample() const { return m_bitsPerSample; } setBitsPerSample(int value)62 inline void setBitsPerSample(int value) { m_bitsPerSample = value; } 63 bitsPerFrame()64 inline int bitsPerFrame() const { return m_bitsPerSample * m_channels; } bytesPerFrame()65 inline int bytesPerFrame() const { return m_bitsPerSample * m_channels / 8; } 66 bytesPerSample()67 inline int bytesPerSample() const { return m_bitsPerSample / 8; } setBytesPerSample(int value)68 inline void setBytesPerSample(int value) { m_bitsPerSample = value * 8; } 69 isSigned()70 inline bool isSigned() const { return m_bitsPerSample != 8 || !m_integer; } isInteger()71 inline bool isInteger() const { return m_integer; } setInteger(bool value)72 inline void setInteger(bool value) { m_integer = value; } 73 blockAlign()74 inline int blockAlign() const { return m_channels * m_bitsPerSample / 8; } blockAlign(int channels,int bitsPerSample)75 inline static int blockAlign(int channels, int bitsPerSample) { return channels * bitsPerSample / 8; } 76 toString()77 inline QString toString() const { return QStringLiteral("%1Hz.%2ch.%3bps.%4").arg(m_sampleRate).arg(m_channels).arg(m_bitsPerSample).arg(m_integer ? "int" : "float"); } 78 79 private: 80 int m_sampleRate; 81 int m_channels; 82 int m_bitsPerSample; 83 bool m_integer; 84 }; 85 86 #endif 87