Files
lms/src/libs/audio/impl/ffmpeg/AudioFileInfo.cpp
T

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/*
* Copyright (C) 2015 Emeric Poupon
*
* This file is part of LMS.
*
* LMS 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 3 of the License, or
* (at your option) any later version.
*
* LMS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LMS. If not, see <http://www.gnu.org/licenses/>.
*/
#include "AudioFileInfo.hpp"
#include "audio/AudioTypes.hpp"
#include "audio/IAudioFileInfo.hpp"
#include "AudioFile.hpp"
#include "ImageReader.hpp"
#include "TagReader.hpp"
namespace lms::audio::ffmpeg
{
namespace
{
AudioProperties computeAudioProperties(const AudioFile& audioFile)
{
AudioProperties audioProperties;
const auto containerInfo{ audioFile.getContainerInfo() };
const auto bestStreamInfo{ audioFile.getBestStreamInfo() };
if (!bestStreamInfo)
throw AudioFileParsingException{ audioFile.getPath(), "Cannot find best audio stream" };
if (!containerInfo.container)
throw AudioFileParsingException{ audioFile.getPath(), "Unhandled container type '" + containerInfo.containerName + "'" };
audioProperties.container = *containerInfo.container;
audioProperties.duration = containerInfo.duration;
audioProperties.codec = bestStreamInfo->codec;
audioProperties.bitrate = bestStreamInfo->bitrate;
audioProperties.bitsPerSample = bestStreamInfo->bitsPerSample;
audioProperties.channelCount = bestStreamInfo->channelCount;
audioProperties.sampleRate = bestStreamInfo->sampleRate;
return audioProperties;
}
} // namespace
AudioFileInfo::AudioFileInfo(const std::filesystem::path& filePath, bool enableExtraDebugLogs)
: _audioFile{ std::make_unique<AudioFile>(filePath) }
, _audioProperties{ std::make_unique<AudioProperties>(computeAudioProperties(*_audioFile)) }
, _tagReader{ std::make_unique<TagReader>(*_audioFile, enableExtraDebugLogs) }
, _imageReader{ std::make_unique<ImageReader>(*_audioFile) }
{
}
AudioFileInfo::~AudioFileInfo() = default;
const AudioProperties& AudioFileInfo::getAudioProperties() const
{
return *_audioProperties;
}
const IImageReader& AudioFileInfo::getImageReader() const
{
return *_imageReader;
}
const ITagReader& AudioFileInfo::getTagReader() const
{
return *_tagReader;
}
} // namespace lms::audio::ffmpeg