File indexing completed on 2024-06-16 04:38:31
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