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618 lines
19 KiB
C++
618 lines
19 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "audio_core/behavior_info.h"
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#include "audio_core/splitter_context.h"
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#include "common/alignment.h"
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#include "common/assert.h"
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#include "common/logging/log.h"
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namespace AudioCore {
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ServerSplitterDestinationData::ServerSplitterDestinationData(s32 id) : id(id) {}
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ServerSplitterDestinationData::~ServerSplitterDestinationData() = default;
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void ServerSplitterDestinationData::Update(SplitterInfo::InDestinationParams& header) {
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// Log error as these are not actually failure states
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if (header.magic != SplitterMagic::DataHeader) {
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LOG_ERROR(Audio, "Splitter destination header is invalid!");
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return;
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}
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// Incorrect splitter id
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if (header.splitter_id != id) {
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LOG_ERROR(Audio, "Splitter destination ids do not match!");
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return;
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}
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mix_id = header.mix_id;
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// Copy our mix volumes
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std::copy(header.mix_volumes.begin(), header.mix_volumes.end(), current_mix_volumes.begin());
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if (!in_use && header.in_use) {
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// Update mix volumes
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std::copy(current_mix_volumes.begin(), current_mix_volumes.end(), last_mix_volumes.begin());
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needs_update = false;
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}
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in_use = header.in_use;
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}
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ServerSplitterDestinationData* ServerSplitterDestinationData::GetNextDestination() {
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return next;
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}
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const ServerSplitterDestinationData* ServerSplitterDestinationData::GetNextDestination() const {
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return next;
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}
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void ServerSplitterDestinationData::SetNextDestination(ServerSplitterDestinationData* dest) {
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next = dest;
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}
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bool ServerSplitterDestinationData::ValidMixId() const {
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return GetMixId() != AudioCommon::NO_MIX;
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}
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s32 ServerSplitterDestinationData::GetMixId() const {
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return mix_id;
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}
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bool ServerSplitterDestinationData::IsConfigured() const {
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return in_use && ValidMixId();
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}
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float ServerSplitterDestinationData::GetMixVolume(std::size_t i) const {
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ASSERT(i < AudioCommon::MAX_MIX_BUFFERS);
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return current_mix_volumes.at(i);
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}
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const std::array<float, AudioCommon::MAX_MIX_BUFFERS>&
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ServerSplitterDestinationData::CurrentMixVolumes() const {
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return current_mix_volumes;
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}
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const std::array<float, AudioCommon::MAX_MIX_BUFFERS>&
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ServerSplitterDestinationData::LastMixVolumes() const {
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return last_mix_volumes;
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}
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void ServerSplitterDestinationData::MarkDirty() {
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needs_update = true;
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}
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void ServerSplitterDestinationData::UpdateInternalState() {
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if (in_use && needs_update) {
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std::copy(current_mix_volumes.begin(), current_mix_volumes.end(), last_mix_volumes.begin());
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}
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needs_update = false;
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}
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ServerSplitterInfo::ServerSplitterInfo(s32 id) : id(id) {}
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ServerSplitterInfo::~ServerSplitterInfo() = default;
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void ServerSplitterInfo::InitializeInfos() {
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send_length = 0;
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head = nullptr;
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new_connection = true;
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}
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void ServerSplitterInfo::ClearNewConnectionFlag() {
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new_connection = false;
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}
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std::size_t ServerSplitterInfo::Update(SplitterInfo::InInfoPrams& header) {
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if (header.send_id != id) {
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return 0;
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}
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sample_rate = header.sample_rate;
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new_connection = true;
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// We need to update the size here due to the splitter bug being present and providing an
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// incorrect size. We're suppose to also update the header here but we just ignore and continue
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return (sizeof(s32_le) * (header.length - 1)) + (sizeof(s32_le) * 3);
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}
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ServerSplitterDestinationData* ServerSplitterInfo::GetHead() {
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return head;
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}
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const ServerSplitterDestinationData* ServerSplitterInfo::GetHead() const {
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return head;
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}
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ServerSplitterDestinationData* ServerSplitterInfo::GetData(std::size_t depth) {
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auto current_head = head;
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for (std::size_t i = 0; i < depth; i++) {
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if (current_head == nullptr) {
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return nullptr;
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}
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current_head = current_head->GetNextDestination();
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}
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return current_head;
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}
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const ServerSplitterDestinationData* ServerSplitterInfo::GetData(std::size_t depth) const {
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auto current_head = head;
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for (std::size_t i = 0; i < depth; i++) {
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if (current_head == nullptr) {
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return nullptr;
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}
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current_head = current_head->GetNextDestination();
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}
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return current_head;
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}
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bool ServerSplitterInfo::HasNewConnection() const {
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return new_connection;
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}
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s32 ServerSplitterInfo::GetLength() const {
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return send_length;
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}
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void ServerSplitterInfo::SetHead(ServerSplitterDestinationData* new_head) {
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head = new_head;
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}
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void ServerSplitterInfo::SetHeadDepth(s32 length) {
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send_length = length;
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}
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SplitterContext::SplitterContext() = default;
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SplitterContext::~SplitterContext() = default;
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void SplitterContext::Initialize(BehaviorInfo& behavior_info, std::size_t _info_count,
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std::size_t _data_count) {
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if (!behavior_info.IsSplitterSupported() || _data_count == 0 || _info_count == 0) {
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Setup(0, 0, false);
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return;
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}
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// Only initialize if we're using splitters
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Setup(_info_count, _data_count, behavior_info.IsSplitterBugFixed());
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}
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bool SplitterContext::Update(const std::vector<u8>& input, std::size_t& input_offset,
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std::size_t& bytes_read) {
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auto UpdateOffsets = [&](std::size_t read) {
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input_offset += read;
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bytes_read += read;
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};
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if (info_count == 0 || data_count == 0) {
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bytes_read = 0;
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return true;
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}
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if (!AudioCommon::CanConsumeBuffer(input.size(), input_offset,
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sizeof(SplitterInfo::InHeader))) {
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LOG_ERROR(Audio, "Buffer is an invalid size!");
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return false;
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}
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SplitterInfo::InHeader header{};
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std::memcpy(&header, input.data() + input_offset, sizeof(SplitterInfo::InHeader));
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UpdateOffsets(sizeof(SplitterInfo::InHeader));
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if (header.magic != SplitterMagic::SplitterHeader) {
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LOG_ERROR(Audio, "Invalid header magic! Expecting {:X} but got {:X}",
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SplitterMagic::SplitterHeader, header.magic);
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return false;
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}
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// Clear all connections
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for (auto& info : infos) {
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info.ClearNewConnectionFlag();
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}
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UpdateInfo(input, input_offset, bytes_read, header.info_count);
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UpdateData(input, input_offset, bytes_read, header.data_count);
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const auto aligned_bytes_read = Common::AlignUp(bytes_read, 16);
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input_offset += aligned_bytes_read - bytes_read;
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bytes_read = aligned_bytes_read;
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return true;
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}
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bool SplitterContext::UsingSplitter() const {
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return info_count > 0 && data_count > 0;
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}
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ServerSplitterInfo& SplitterContext::GetInfo(std::size_t i) {
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ASSERT(i < info_count);
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return infos.at(i);
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}
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const ServerSplitterInfo& SplitterContext::GetInfo(std::size_t i) const {
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ASSERT(i < info_count);
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return infos.at(i);
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}
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ServerSplitterDestinationData& SplitterContext::GetData(std::size_t i) {
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ASSERT(i < data_count);
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return datas.at(i);
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}
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const ServerSplitterDestinationData& SplitterContext::GetData(std::size_t i) const {
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ASSERT(i < data_count);
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return datas.at(i);
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}
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ServerSplitterDestinationData* SplitterContext::GetDestinationData(std::size_t info,
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std::size_t data) {
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ASSERT(info < info_count);
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auto& cur_info = GetInfo(info);
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return cur_info.GetData(data);
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}
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const ServerSplitterDestinationData* SplitterContext::GetDestinationData(std::size_t info,
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std::size_t data) const {
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ASSERT(info < info_count);
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auto& cur_info = GetInfo(info);
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return cur_info.GetData(data);
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}
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void SplitterContext::UpdateInternalState() {
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if (data_count == 0) {
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return;
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}
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for (auto& data : datas) {
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data.UpdateInternalState();
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}
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}
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std::size_t SplitterContext::GetInfoCount() const {
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return info_count;
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}
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std::size_t SplitterContext::GetDataCount() const {
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return data_count;
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}
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void SplitterContext::Setup(std::size_t _info_count, std::size_t _data_count,
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bool is_splitter_bug_fixed) {
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info_count = _info_count;
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data_count = _data_count;
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for (std::size_t i = 0; i < info_count; i++) {
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auto& splitter = infos.emplace_back(static_cast<s32>(i));
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splitter.InitializeInfos();
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}
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for (std::size_t i = 0; i < data_count; i++) {
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datas.emplace_back(static_cast<s32>(i));
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}
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bug_fixed = is_splitter_bug_fixed;
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}
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bool SplitterContext::UpdateInfo(const std::vector<u8>& input, std::size_t& input_offset,
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std::size_t& bytes_read, s32 in_splitter_count) {
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auto UpdateOffsets = [&](std::size_t read) {
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input_offset += read;
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bytes_read += read;
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};
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for (s32 i = 0; i < in_splitter_count; i++) {
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if (!AudioCommon::CanConsumeBuffer(input.size(), input_offset,
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sizeof(SplitterInfo::InInfoPrams))) {
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LOG_ERROR(Audio, "Buffer is an invalid size!");
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return false;
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}
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SplitterInfo::InInfoPrams header{};
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std::memcpy(&header, input.data() + input_offset, sizeof(SplitterInfo::InInfoPrams));
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// Logged as warning as these don't actually cause a bailout for some reason
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if (header.magic != SplitterMagic::InfoHeader) {
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LOG_ERROR(Audio, "Bad splitter data header");
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break;
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}
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if (header.send_id < 0 || header.send_id > info_count) {
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LOG_ERROR(Audio, "Bad splitter data id");
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break;
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}
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UpdateOffsets(sizeof(SplitterInfo::InInfoPrams));
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auto& info = GetInfo(header.send_id);
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if (!RecomposeDestination(info, header, input, input_offset)) {
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LOG_ERROR(Audio, "Failed to recompose destination for splitter!");
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return false;
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}
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const std::size_t read = info.Update(header);
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bytes_read += read;
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input_offset += read;
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}
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return true;
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}
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bool SplitterContext::UpdateData(const std::vector<u8>& input, std::size_t& input_offset,
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std::size_t& bytes_read, s32 in_data_count) {
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auto UpdateOffsets = [&](std::size_t read) {
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input_offset += read;
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bytes_read += read;
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};
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for (s32 i = 0; i < in_data_count; i++) {
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if (!AudioCommon::CanConsumeBuffer(input.size(), input_offset,
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sizeof(SplitterInfo::InDestinationParams))) {
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LOG_ERROR(Audio, "Buffer is an invalid size!");
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return false;
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}
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SplitterInfo::InDestinationParams header{};
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std::memcpy(&header, input.data() + input_offset,
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sizeof(SplitterInfo::InDestinationParams));
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UpdateOffsets(sizeof(SplitterInfo::InDestinationParams));
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// Logged as warning as these don't actually cause a bailout for some reason
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if (header.magic != SplitterMagic::DataHeader) {
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LOG_ERROR(Audio, "Bad splitter data header");
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break;
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}
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if (header.splitter_id < 0 || header.splitter_id > data_count) {
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LOG_ERROR(Audio, "Bad splitter data id");
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break;
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}
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GetData(header.splitter_id).Update(header);
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}
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return true;
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}
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bool SplitterContext::RecomposeDestination(ServerSplitterInfo& info,
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SplitterInfo::InInfoPrams& header,
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const std::vector<u8>& input,
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const std::size_t& input_offset) {
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// Clear our current destinations
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auto* current_head = info.GetHead();
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while (current_head != nullptr) {
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auto next_head = current_head->GetNextDestination();
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current_head->SetNextDestination(nullptr);
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current_head = next_head;
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}
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info.SetHead(nullptr);
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s32 size = header.length;
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// If the splitter bug is present, calculate fixed size
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if (!bug_fixed) {
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if (info_count > 0) {
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const auto factor = data_count / info_count;
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size = std::min(header.length, static_cast<s32>(factor));
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} else {
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size = 0;
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}
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}
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if (size < 1) {
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LOG_ERROR(Audio, "Invalid splitter info size! size={:X}", size);
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return true;
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}
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auto* start_head = &GetData(header.resource_id_base);
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current_head = start_head;
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std::vector<s32_le> resource_ids(size - 1);
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if (!AudioCommon::CanConsumeBuffer(input.size(), input_offset,
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resource_ids.size() * sizeof(s32_le))) {
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LOG_ERROR(Audio, "Buffer is an invalid size!");
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return false;
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}
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std::memcpy(resource_ids.data(), input.data() + input_offset,
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resource_ids.size() * sizeof(s32_le));
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for (auto resource_id : resource_ids) {
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auto* head = &GetData(resource_id);
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current_head->SetNextDestination(head);
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current_head = head;
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}
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info.SetHead(start_head);
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info.SetHeadDepth(size);
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return true;
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}
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NodeStates::NodeStates() = default;
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NodeStates::~NodeStates() = default;
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void NodeStates::Initialize(std::size_t _node_count) {
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// Setup our work parameters
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node_count = _node_count;
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was_node_found.resize(node_count);
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was_node_completed.resize(node_count);
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index_list.resize(node_count);
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index_stack.Reset(node_count * node_count);
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}
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bool NodeStates::Tsort(EdgeMatrix& edge_matrix) {
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return DepthFirstSearch(edge_matrix);
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}
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std::size_t NodeStates::GetIndexPos() const {
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return index_pos;
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}
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const std::vector<s32>& NodeStates::GetIndexList() const {
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return index_list;
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}
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void NodeStates::PushTsortResult(s32 index) {
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ASSERT(index < node_count);
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index_list[index_pos++] = index;
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}
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bool NodeStates::DepthFirstSearch(EdgeMatrix& edge_matrix) {
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ResetState();
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for (std::size_t i = 0; i < node_count; i++) {
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const auto node_id = static_cast<s32>(i);
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// If we don't have a state, send to our index stack for work
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if (GetState(i) == NodeStates::State::NoState) {
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index_stack.push(node_id);
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}
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// While we have work to do in our stack
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while (index_stack.Count() > 0) {
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// Get the current node
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const auto current_stack_index = index_stack.top();
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// Check if we've seen the node yet
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const auto index_state = GetState(current_stack_index);
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if (index_state == NodeStates::State::NoState) {
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// Mark the node as seen
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UpdateState(NodeStates::State::InFound, current_stack_index);
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} else if (index_state == NodeStates::State::InFound) {
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// We've seen this node before, mark it as completed
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UpdateState(NodeStates::State::InCompleted, current_stack_index);
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// Update our index list
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PushTsortResult(current_stack_index);
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// Pop the stack
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index_stack.pop();
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continue;
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} else if (index_state == NodeStates::State::InCompleted) {
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// If our node is already sorted, clear it
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index_stack.pop();
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continue;
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}
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const auto node_count = edge_matrix.GetNodeCount();
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for (s32 j = 0; j < static_cast<s32>(node_count); j++) {
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// Check if our node is connected to our edge matrix
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if (!edge_matrix.Connected(current_stack_index, j)) {
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continue;
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}
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// Check if our node exists
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const auto node_state = GetState(j);
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if (node_state == NodeStates::State::NoState) {
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// Add more work
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index_stack.push(j);
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} else if (node_state == NodeStates::State::InFound) {
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UNREACHABLE_MSG("Node start marked as found");
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ResetState();
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return false;
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}
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}
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}
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}
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return true;
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}
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void NodeStates::ResetState() {
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// Reset to the start of our index stack
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index_pos = 0;
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for (std::size_t i = 0; i < node_count; i++) {
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// Mark all nodes as not found
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was_node_found[i] = false;
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// Mark all nodes as uncompleted
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was_node_completed[i] = false;
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// Mark all indexes as invalid
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index_list[i] = -1;
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}
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}
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void NodeStates::UpdateState(NodeStates::State state, std::size_t i) {
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switch (state) {
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case NodeStates::State::NoState:
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was_node_found[i] = false;
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was_node_completed[i] = false;
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break;
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case NodeStates::State::InFound:
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was_node_found[i] = true;
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was_node_completed[i] = false;
|
|
break;
|
|
case NodeStates::State::InCompleted:
|
|
was_node_found[i] = false;
|
|
was_node_completed[i] = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
NodeStates::State NodeStates::GetState(std::size_t i) {
|
|
ASSERT(i < node_count);
|
|
if (was_node_found[i]) {
|
|
// If our node exists in our found list
|
|
return NodeStates::State::InFound;
|
|
} else if (was_node_completed[i]) {
|
|
// If node is in the completed list
|
|
return NodeStates::State::InCompleted;
|
|
} else {
|
|
// If in neither
|
|
return NodeStates::State::NoState;
|
|
}
|
|
}
|
|
|
|
NodeStates::Stack::Stack() = default;
|
|
NodeStates::Stack::~Stack() = default;
|
|
|
|
void NodeStates::Stack::Reset(std::size_t size) {
|
|
// Mark our stack as empty
|
|
stack.resize(size);
|
|
stack_size = size;
|
|
stack_pos = 0;
|
|
std::fill(stack.begin(), stack.end(), 0);
|
|
}
|
|
|
|
void NodeStates::Stack::push(s32 val) {
|
|
ASSERT(stack_pos < stack_size);
|
|
stack[stack_pos++] = val;
|
|
}
|
|
|
|
std::size_t NodeStates::Stack::Count() const {
|
|
return stack_pos;
|
|
}
|
|
|
|
s32 NodeStates::Stack::top() const {
|
|
ASSERT(stack_pos > 0);
|
|
return stack[stack_pos - 1];
|
|
}
|
|
|
|
s32 NodeStates::Stack::pop() {
|
|
ASSERT(stack_pos > 0);
|
|
stack_pos--;
|
|
return stack[stack_pos];
|
|
}
|
|
|
|
EdgeMatrix::EdgeMatrix() = default;
|
|
EdgeMatrix::~EdgeMatrix() = default;
|
|
|
|
void EdgeMatrix::Initialize(std::size_t _node_count) {
|
|
node_count = _node_count;
|
|
edge_matrix.resize(node_count * node_count);
|
|
}
|
|
|
|
bool EdgeMatrix::Connected(s32 a, s32 b) {
|
|
return GetState(a, b);
|
|
}
|
|
|
|
void EdgeMatrix::Connect(s32 a, s32 b) {
|
|
SetState(a, b, true);
|
|
}
|
|
|
|
void EdgeMatrix::Disconnect(s32 a, s32 b) {
|
|
SetState(a, b, false);
|
|
}
|
|
|
|
void EdgeMatrix::RemoveEdges(s32 edge) {
|
|
for (std::size_t i = 0; i < node_count; i++) {
|
|
SetState(edge, static_cast<s32>(i), false);
|
|
}
|
|
}
|
|
|
|
std::size_t EdgeMatrix::GetNodeCount() const {
|
|
return node_count;
|
|
}
|
|
|
|
void EdgeMatrix::SetState(s32 a, s32 b, bool state) {
|
|
ASSERT(InRange(a, b));
|
|
edge_matrix.at(a * node_count + b) = state;
|
|
}
|
|
|
|
bool EdgeMatrix::GetState(s32 a, s32 b) {
|
|
ASSERT(InRange(a, b));
|
|
return edge_matrix.at(a * node_count + b);
|
|
}
|
|
|
|
bool EdgeMatrix::InRange(s32 a, s32 b) const {
|
|
const std::size_t pos = a * node_count + b;
|
|
return pos < (node_count * node_count);
|
|
}
|
|
|
|
} // namespace AudioCore
|