135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#if USE_EDITOR
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#include "BinaryAssetUpgrader.h"
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#include "Engine/Audio/AudioClip.h"
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#include "Engine/Tools/AudioTool/OggVorbisDecoder.h"
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#include "Engine/Serialization/MemoryReadStream.h"
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/// <summary>
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/// Audio Clip asset upgrader.
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/// </summary>
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/// <seealso cref="BinaryAssetUpgrader" />
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class AudioClipUpgrader : public BinaryAssetUpgrader
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{
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="AudioClipUpgrader"/> class.
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/// </summary>
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AudioClipUpgrader()
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{
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static const Upgrader upgraders[] =
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{
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{ 1, 2, &Upgrade_1_To_2 },
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};
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setup(upgraders, ARRAY_COUNT(upgraders));
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}
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private:
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// ============================================
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// Version 1:
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// Designed: 26.02.2018
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// Header version 1.
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// Chunks with audio data.
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// ============================================
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// Version 2:
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// Designed: 08.08.2019
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// Header version 2.
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// Chunks with audio data.
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// ============================================
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/// <summary>
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/// Audio Clip resource header structure, version 1. Added on 26.02.2018.
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/// [Deprecated on 08/08/2019, expires on 08/09/2020]
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/// </summary>
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struct Header1
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{
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AudioFormat Format;
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AudioDataInfo Info;
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bool Is3D;
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bool Streamable;
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uint32 OriginalSize;
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uint32 ImportedSize;
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};
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typedef AudioClip::Header Header2;
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static bool Upgrade_1_To_2(AssetMigrationContext& context)
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{
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ASSERT(context.Input.SerializedVersion == 1 && context.Output.SerializedVersion == 2);
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// Copy all chunks
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if (CopyChunks(context))
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return true;
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// Convert header
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if (context.Input.CustomData.IsInvalid())
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return true;
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auto& oldHeader = *(Header1*)context.Input.CustomData.Get();
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Header2 newHeader;
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newHeader.Format = oldHeader.Format;
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newHeader.Info = oldHeader.Info;
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newHeader.Is3D = oldHeader.Is3D;
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newHeader.Streamable = oldHeader.Streamable;
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newHeader.OriginalSize = oldHeader.OriginalSize;
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newHeader.ImportedSize = oldHeader.ImportedSize;
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Platform::MemoryClear(newHeader.SamplesPerChunk, sizeof(newHeader.SamplesPerChunk));
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for (int32 chunkIndex = 0; chunkIndex < ASSET_FILE_DATA_CHUNKS; chunkIndex++)
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{
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const auto chunk = context.Output.Header.Chunks[chunkIndex];
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if (!chunk)
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continue;
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int32 numSamples;
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switch (oldHeader.Format)
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{
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case AudioFormat::Raw:
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{
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numSamples = chunk->Size() / (oldHeader.Info.BitDepth / 8);
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break;
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}
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case AudioFormat::Vorbis:
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{
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#if COMPILE_WITH_OGG_VORBIS
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OggVorbisDecoder decoder;
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MemoryReadStream stream(chunk->Get(), chunk->Size());
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AudioDataInfo outInfo;
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if (!decoder.Open(&stream, outInfo, 0))
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{
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LOG(Warning, "Audio data open failed (OggVorbisDecoder).");
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return true;
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}
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numSamples = outInfo.NumSamples;
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#else
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LOG(Warning, "OggVorbisDecoder is disabled.");
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return true;
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#endif
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break;
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}
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default:
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LOG(Warning, "Unknown audio data format.");
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return true;
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}
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newHeader.SamplesPerChunk[chunkIndex] = numSamples;
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}
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context.Output.CustomData.Copy(&newHeader);
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// Validate total amount of samples calculated from the asset chunks
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uint32 totalSamplesInChunks = 0;
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for (int32 chunkIndex = 0; chunkIndex < ASSET_FILE_DATA_CHUNKS; chunkIndex++)
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totalSamplesInChunks += newHeader.SamplesPerChunk[chunkIndex];
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if (totalSamplesInChunks != newHeader.Info.NumSamples)
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{
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LOG(Warning, "Invalid amount of audio data samples in data chunks {0}, audio clip has: {1}.", totalSamplesInChunks, newHeader.Info.NumSamples);
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return true;
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}
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return false;
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}
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};
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#endif
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