Scan for audio properties, metadata, and embedded images in one single pass. Removed now useless lmsmetadata library + reworked code accordingly

2025-11-02 16:23:10 +01:00
parent 8e554b258c
commit b25e3b9b1e
112 changed files with 4005 additions and 3379 deletions
@@ -0,0 +1,82 @@
+/*
+ * 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