Mercurial > hg > svcore
view base/HelperExecPath.h @ 1359:1c9bbbb6116a 3.0-integration
Use W64 instead of WAV for decoded files; use Ogg reader in preference to WAV one for Ogg files (WAV reader works, via libsndfile, but doesn't load metadata); fix Ogg reader to use QFile open instead of non-Win32-compatible API; add more encoder tests, audio writer test, midi reader test
author | Chris Cannam |
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date | Tue, 10 Jan 2017 10:58:25 +0000 |
parents | 75aefcc9f07d |
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 file copyright 2006-2016 Chris Cannam and QMUL. 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_HELPER_EXEC_PATH_H #define SV_HELPER_EXEC_PATH_H #include <QStringList> /** * Class to find helper executables that have been installed alongside * the application. There may be more than one executable available * with a given base name, because it's possible to have more than one * implementation of a given service. For example, a plugin helper or * scanner may exist in both 32-bit and 64-bit variants. * * This class encodes both the expected locations of helper * executables, and the expected priority between different * implementations (e.g. preferring the architecture that matches that * of the host). */ class HelperExecPath { public: enum SearchType { NativeArchitectureOnly, AllInstalled }; HelperExecPath(SearchType type) : m_type(type) { } /** * Find a helper executable with the given base name in the bundle * directory or installation location, if one exists, and return * its full path. Equivalent to calling getHelperExecutables() and * taking the first result from the returned list (or "" if empty). */ QString getHelperExecutable(QString basename); struct HelperExec { QString executable; QString tag; }; /** * Find all helper executables with the given base name in the * bundle directory or installation location, and return their * full paths in order of priority. The "tag" string contains an * identifier for the location or architecture of the helper, for * example "32", "64", "js" etc. An empty tag signifies a default * helper that matches the application's architecture. */ QList<HelperExec> getHelperExecutables(QString basename); /** * Return the list of directories searched for helper * executables. */ QStringList getHelperDirPaths(); /** * Return the list of executable paths examined in the search for * the helper executable with the given basename. */ QStringList getHelperCandidatePaths(QString basename); private: SearchType m_type; QList<HelperExec> search(QString, QStringList &); QStringList getTags(); }; #endif