80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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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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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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#include "stdafx.h"
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#include "media/media_audio_loader.h"
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AudioPlayerLoader::AudioPlayerLoader(const FileLocation &file, const QByteArray &data)
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: file(file)
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, data(data) {
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}
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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, int64 *samplesCount) {
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t_assert(_savedSamplesCount == 0);
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t_assert(_savedSamples.isEmpty());
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t_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, int64 *samplesCount) {
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t_assert(*samplesCount == 0);
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t_assert(samples->isEmpty());
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t_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()) {
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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").arg(file.name()).arg(data.size()).arg(f.error()).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").arg(file.name()).arg(data.size()).arg(f.error()).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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