Mercurial > hg > svcore
view base/BaseTypes.h @ 1813:7e958685449d
Not virtual
author | Chris Cannam |
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date | Wed, 08 Jan 2020 15:26:37 +0000 |
parents | 895186c43fce |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ #ifndef SV_BASE_TYPES_H #define SV_BASE_TYPES_H #include <cstdint> #include <complex> #include <vector> #include <bqvec/Allocators.h> /** Frame index, the unit of our time axis. This is signed because the axis conceptually extends below zero: zero represents the start of the main loaded audio model, not the start of time; a windowed transform could legitimately produce results before then. We also use this for frame counts, simply to avoid error-prone arithmetic between signed and unsigned types. */ typedef int64_t sv_frame_t; /** Check whether an integer index is in range for a container, avoiding overflows and signed/unsigned comparison warnings. */ template<typename T, typename C> bool in_range_for(const C &container, T i) { if (i < 0) return false; if (sizeof(T) > sizeof(typename C::size_type)) { return i < static_cast<T>(container.size()); } else { return static_cast<typename C::size_type>(i) < container.size(); } } /** Sample rate. We have to deal with sample rates provided as float or (unsigned) int types, so we might as well have a type that can represent both. Storage size isn't an issue anyway. */ typedef double sv_samplerate_t; typedef std::vector<float, breakfastquay::StlAllocator<float>> floatvec_t; typedef std::vector<std::complex<float>, breakfastquay::StlAllocator<std::complex<float>>> complexvec_t; typedef uint64_t sv_id_t; enum { ID_NOTHING = 0 }; #endif