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#include "AudioContext.h"
#include "spdlog/spdlog.h"
#include "Companion.h"
std::unordered_map<AudioTableType, TableEntry> AudioContext::tables;
uint32_t AudioContext::sessionFrequency = 32000;
uint32_t AudioContext::numBuffers = 2;
NAudioDrivers AudioContext::driver = NAudioDrivers::UNKNOWN;
std::unordered_map<uint64_t, std::string> AudioContext::sampleDedup;
std::unordered_map<uint32_t, std::string> AudioContext::sampleAddrRemap;
std::optional<std::shared_ptr<IParsedData>> AudioContextFactory::parse(std::vector<uint8_t>& buffer, YAML::Node& node) {
auto driver = GetSafeNode<std::string>(node, "driver");
if (driver == "SF64") {
AudioContext::driver = NAudioDrivers::SF64;
} else if (driver == "FZEROX") {
AudioContext::driver = NAudioDrivers::FZEROX;
} else {
throw std::runtime_error("Unknown NAudio driver");
}
AudioContext::sessionFrequency = GetSafeNode<uint32_t>(node, "frequency", 32000);
AudioContext::numBuffers = GetSafeNode<uint32_t>(node, "buffers", 2);
auto seq = GetSafeNode<YAML::Node>(node, "audio_seq");
auto seqSize = GetSafeNode<uint32_t>(seq, "size");
auto seqOffset = GetSafeNode<uint32_t>(seq, "offset");
auto bank = GetSafeNode<YAML::Node>(node, "audio_bank");
auto bankSize = GetSafeNode<uint32_t>(bank, "size");
auto bankOffset = GetSafeNode<uint32_t>(bank, "offset");
auto table = GetSafeNode<YAML::Node>(node, "audio_table");
auto tableSize = GetSafeNode<uint32_t>(table, "size");
auto tableOffset = GetSafeNode<uint32_t>(table, "offset");
AudioContext::tables[AudioTableType::SEQ_TABLE].buffer =
std::vector<uint8_t>(buffer.begin() + seqOffset, buffer.begin() + seqOffset + seqSize);
AudioContext::tables[AudioTableType::FONT_TABLE].buffer =
std::vector<uint8_t>(buffer.begin() + bankOffset, buffer.begin() + bankOffset + bankSize);
AudioContext::tables[AudioTableType::SAMPLE_TABLE].buffer =
std::vector<uint8_t>(buffer.begin() + tableOffset, buffer.begin() + tableOffset + tableSize);
AudioContext::tables[AudioTableType::SEQ_TABLE].offset = seqOffset;
AudioContext::tables[AudioTableType::FONT_TABLE].offset = bankOffset;
AudioContext::tables[AudioTableType::SAMPLE_TABLE].offset = tableOffset;
SPDLOG_INFO("Sequence Table 0x{:X}", seqOffset);
SPDLOG_INFO("Sound Font Table 0x{:X}", bankOffset);
SPDLOG_INFO("Sample Bank Table 0x{:X}", tableOffset);
return std::nullopt;
}
LUS::BinaryReader AudioContext::MakeReader(AudioTableType type, uint32_t offset) {
auto entry = AudioContext::tables[type].buffer;
LUS::BinaryReader reader(entry.data(), entry.size());
reader.SetEndianness(Torch::Endianness::Big);
reader.Seek(offset, LUS::SeekOffsetType::Start);
return reader;
}
TunedSample AudioContext::LoadTunedSample(LUS::BinaryReader& reader, uint32_t parent, uint32_t sampleBankId) {
auto sampleAddr = reader.ReadUInt32();
auto tuning = reader.ReadFloat();
if (sampleAddr == 0) {
if (tuning != 0.0f) {
throw std::runtime_error("The provided tuned sample is invalid");
}
return { 0, 0, 0.0f };
}
YAML::Node node;
node["type"] = "NAUDIO:V1:SAMPLE";
node["parent"] = parent;
node["offset"] = parent + sampleAddr;
node["tuning"] = tuning;
node["sampleBankId"] = sampleBankId;
Companion::Instance->AddAsset(node);
return { parent + sampleAddr, sampleBankId, tuning };
}
uint64_t AudioContext::GetPathByAddr(uint32_t addr) {
if (addr == 0) {
return 0;
}
// If this ROM address belongs to a duplicate SampleData struct, return the
// canonical's hash so instruments/drums reference the canonical entry directly.
auto remapIt = sampleAddrRemap.find(addr);
if (remapIt != sampleAddrRemap.end()) {
SPDLOG_INFO("Remapping duplicate 0x{:X} to canonical {}", addr, remapIt->second);
return CRC64(remapIt->second.c_str());
}
auto dec = Companion::Instance->GetNodeByAddr(addr);
if (dec.has_value()) {
std::string path = std::get<0>(dec.value());
uint64_t hash = CRC64(path.c_str());
SPDLOG_INFO("Found path of 0x{:X} {}", addr, path);
return hash;
} else {
SPDLOG_INFO("Failed to find path for 0x{:X}", addr);
throw std::runtime_error("Failed to find node by addr");
}
}
const char* AudioContext::GetMediumStr(uint8_t medium) {
switch (medium) {
case 0:
return "Ram";
case 1:
return "Unk";
case 2:
return "Cart";
case 3:
return "Disk";
case 5:
return "RamUnloaded";
default:
return "ERROR";
}
}
const char* AudioContext::GetCachePolicyStr(uint8_t policy) {
switch (policy) {
case 0:
return "Temporary";
case 1:
return "Persistent";
case 2:
return "Either";
case 3:
return "Permanent";
default:
return "ERROR";
}
}
const char* AudioContext::GetCodecStr(uint8_t codec) {
switch (codec) {
case 0:
return "ADPCM";
case 1:
return "S8";
case 2:
return "S16MEM";
case 3:
return "ADPCMSMALL";
case 4:
return "REVERB";
case 5:
return "S16";
case 6:
return "UNK6";
case 7:
return "UNK7";
default:
return "ERROR";
}
}
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