mirror of https://github.com/procxx/kepka.git
90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
//
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// This file is part of Kepka,
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// an unofficial desktop version of Telegram messaging app,
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// see https://github.com/procxx/kepka
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//
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// Kepka 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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//
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// It 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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//
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// In addition, as a special exception, the copyright holders give permission
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// to link the code of portions of this program with the OpenSSL library.
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//
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// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
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// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
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//
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#include "media/media_audio_loader.h"
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AudioPlayerLoader::AudioPlayerLoader(const FileLocation &file, const QByteArray &data, base::byte_vector &&bytes)
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: _file(file)
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, _data(data)
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, _bytes(std::move(bytes)) {}
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AudioPlayerLoader::~AudioPlayerLoader() {
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if (_access) {
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_file.accessDisable();
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_access = false;
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}
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}
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bool AudioPlayerLoader::check(const FileLocation &file, const QByteArray &data) {
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return this->_file == file && this->_data.size() == data.size();
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}
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void AudioPlayerLoader::saveDecodedSamples(QByteArray *samples, qint64 *samplesCount) {
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Assert(_savedSamplesCount == 0);
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Assert(_savedSamples.isEmpty());
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Assert(!_holdsSavedSamples);
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samples->swap(_savedSamples);
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std::swap(*samplesCount, _savedSamplesCount);
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_holdsSavedSamples = true;
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}
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void AudioPlayerLoader::takeSavedDecodedSamples(QByteArray *samples, qint64 *samplesCount) {
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Assert(*samplesCount == 0);
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Assert(samples->isEmpty());
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Assert(_holdsSavedSamples);
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samples->swap(_savedSamples);
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std::swap(*samplesCount, _savedSamplesCount);
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_holdsSavedSamples = false;
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}
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bool AudioPlayerLoader::holdsSavedDecodedSamples() const {
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return _holdsSavedSamples;
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}
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bool AudioPlayerLoader::openFile() {
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if (_data.isEmpty() && _bytes.empty()) {
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if (_f.isOpen()) _f.close();
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if (!_access) {
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if (!_file.accessEnable()) {
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LOG(("Audio Error: could not open file access '%1', data size '%2', error %3, %4")
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.arg(_file.name())
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.arg(_data.size())
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.arg(_f.error())
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.arg(_f.errorString()));
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return false;
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}
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_access = true;
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}
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_f.setFileName(_file.name());
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if (!_f.open(QIODevice::ReadOnly)) {
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LOG(("Audio Error: could not open file '%1', data size '%2', error %3, %4")
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.arg(_file.name())
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.arg(_data.size())
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.arg(_f.error())
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.arg(_f.errorString()));
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return false;
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}
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}
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_dataPos = 0;
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return true;
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}
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