67 lines
2 KiB
C++
67 lines
2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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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, bytes::vector &&buffer)
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: _file(file)
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, _data(data)
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, _bytes(std::move(buffer)) {
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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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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, int64 *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").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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