Mercurial > hg > svcore
view data/fileio/AudioFileReader.cpp @ 1125:2c43f9904068 3.0-integration
Merge from default branch
author | Chris Cannam |
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date | Thu, 20 Aug 2015 13:33:46 +0100 |
parents | 4d9816ba0ebe |
children | 54af1e21705c |
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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 Chris Cannam. 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. */ #include "AudioFileReader.h" using std::vector; vector<vector<float>> AudioFileReader::getDeInterleavedFrames(sv_frame_t start, sv_frame_t count) const { vector<float> interleaved = getInterleavedFrames(start, count); int channels = getChannelCount(); if (channels == 1) return { interleaved }; sv_frame_t rc = interleaved.size() / channels; vector<vector<float>> frames(channels, vector<float>(rc, 0.f)); for (int c = 0; c < channels; ++c) { for (sv_frame_t i = 0; i < rc; ++i) { frames[c][i] = interleaved[i * channels + c]; } } return frames; }