120 lines
2.4 KiB
C++
120 lines
2.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "planarfiledevice.h"
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namespace olive {
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PlanarFileDevice::PlanarFileDevice(QObject *parent) :
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QObject(parent)
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{
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}
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PlanarFileDevice::~PlanarFileDevice()
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{
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close();
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}
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bool PlanarFileDevice::open(const QVector<QString> &filenames, QIODevice::OpenMode mode)
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{
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if (isOpen()) {
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// Already open
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return false;
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}
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files_.resize(filenames.size());
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files_.fill(nullptr);
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for (int i=0; i<files_.size(); i++) {
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files_[i] = new QFile(filenames.at(i));
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if (!files_[i]->open(mode)) {
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close();
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return false;
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}
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}
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return true;
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}
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qint64 PlanarFileDevice::read(char **data, qint64 bytes_per_channel, qint64 offset)
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{
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qint64 ret = -1;
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if (isOpen()) {
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for (int i=0; i<files_.size(); i++) {
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// Kind of clunky but should be largely fine
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ret = files_[i]->read(data[i] + offset, bytes_per_channel);
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}
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}
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return ret;
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}
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qint64 PlanarFileDevice::write(const char **data, qint64 bytes_per_channel, qint64 offset)
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{
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qint64 ret = -1;
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if (isOpen()) {
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for (int i=0; i<files_.size(); i++) {
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// Kind of clunky but should be largely fine
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ret = files_[i]->write(data[i] + offset, bytes_per_channel);
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}
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}
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return ret;
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}
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qint64 PlanarFileDevice::size() const
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{
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if (isOpen()) {
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return files_.first()->size();
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} else {
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return 0;
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}
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}
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bool PlanarFileDevice::seek(qint64 pos)
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{
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bool ret = true;
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for (int i=0; i<files_.size(); i++) {
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ret = files_[i]->seek(pos) & ret;
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}
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return ret;
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}
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void PlanarFileDevice::close()
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{
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for (int i=0; i<files_.size(); i++) {
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QFile *f = files_.at(i);
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if (f) {
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if (f->isOpen()) {
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f->close();
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}
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delete f;
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}
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}
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files_.clear();
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}
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}
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