view base/BaseTypes.h @ 1879:652c5360e682

Ensure transforms are populated before instantiateDefaultPluginFor runs - otherwise if we have prior knowledge of a transform id, we can find ourselves trying to instantiate it before the plugin factory has heard of it and e.g. knows which server to use
author Chris Cannam
date Thu, 25 Jun 2020 12:20:06 +0100
parents 895186c43fce
children
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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