File indexing completed on 2024-06-09 04:53:15

0001 /*
0002     SPDX-FileCopyrightText: 2007-2009 Sergio Pistone <sergio_pistone@yahoo.com.ar>
0003     SPDX-FileCopyrightText: 2010-2022 Mladen Milinkovic <max@smoothware.net>
0004 
0005     SPDX-License-Identifier: GPL-2.0-or-later
0006 */
0007 
0008 #ifndef WAVEFORMAT_H
0009 #define WAVEFORMAT_H
0010 
0011 #include <QString>
0012 
0013 class WaveFormat
0014 {
0015 // valid bits per sample a 8, 16, 24 & 32 (all signed, except 8)
0016 
0017 public:
0018     WaveFormat() :
0019         m_sampleRate(44100),
0020         m_channels(2),
0021         m_bitsPerSample(16),
0022         m_integer(true)
0023     {}
0024 
0025     WaveFormat(int sampleRate, int channels, int bitsPerSample, bool integer = true) :
0026         m_sampleRate(sampleRate),
0027         m_channels(channels),
0028         m_bitsPerSample(bitsPerSample),
0029         m_integer(integer)
0030     {}
0031 
0032     WaveFormat(const WaveFormat &wf) :
0033         m_sampleRate(wf.m_sampleRate),
0034         m_channels(wf.m_channels),
0035         m_bitsPerSample(wf.m_bitsPerSample),
0036         m_integer(wf.m_integer)
0037     {}
0038 
0039     WaveFormat & operator=(const WaveFormat &wf)
0040     {
0041         if(this == &wf)
0042             return *this;
0043         m_sampleRate = wf.m_sampleRate;
0044         m_channels = wf.m_channels;
0045         m_bitsPerSample = wf.m_bitsPerSample;
0046         m_integer = wf.m_integer;
0047         return *this;
0048     }
0049 
0050     bool operator==(const WaveFormat &wf) const { return m_sampleRate == wf.sampleRate() && m_channels == wf.m_channels && m_bitsPerSample == wf.m_bitsPerSample; }
0051     bool operator!=(const WaveFormat &wf) const { return m_sampleRate != wf.sampleRate() || m_channels != wf.m_channels || m_bitsPerSample != wf.m_bitsPerSample; }
0052 
0053     inline bool isValid() const { return m_sampleRate > 0 && m_channels > 0 && m_bitsPerSample > 0 && (m_bitsPerSample % 8 == 0) && m_bitsPerSample <= 32; }
0054 
0055     inline int sampleRate() const { return m_sampleRate; }
0056     inline void setSampleRate(int value) { m_sampleRate = value; }
0057 
0058     inline int channels() const { return m_channels; }
0059     inline void setChannels(int value) { m_channels = value; }
0060 
0061     inline int bitsPerSample() const { return m_bitsPerSample; }
0062     inline void setBitsPerSample(int value) { m_bitsPerSample = value; }
0063 
0064     inline int bitsPerFrame() const { return m_bitsPerSample * m_channels; }
0065     inline int bytesPerFrame() const { return m_bitsPerSample * m_channels / 8; }
0066 
0067     inline int bytesPerSample() const { return m_bitsPerSample / 8; }
0068     inline void setBytesPerSample(int value) { m_bitsPerSample = value * 8; }
0069 
0070     inline bool isSigned() const { return m_bitsPerSample != 8 || !m_integer; }
0071     inline bool isInteger() const { return m_integer; }
0072     inline void setInteger(bool value) { m_integer = value; }
0073 
0074     inline int blockAlign() const { return m_channels * m_bitsPerSample / 8; }
0075     inline static int blockAlign(int channels, int bitsPerSample) { return channels * bitsPerSample / 8; }
0076 
0077     inline QString toString() const { return QStringLiteral("%1Hz.%2ch.%3bps.%4").arg(m_sampleRate).arg(m_channels).arg(m_bitsPerSample).arg(m_integer ? "int" : "float"); }
0078 
0079 private:
0080     int m_sampleRate;
0081     int m_channels;
0082     int m_bitsPerSample;
0083     bool m_integer;
0084 };
0085 
0086 #endif