Files
KytyPS5/src/libs/ngs2.cpp
T
Devran Cosmo Uenal 5b0ef07742 audio: keep NGS2 sampler voices within max_waveform_blocks (#1450)
audio: preserve NGS2 streaming buffer ownership
2026-10-12 14:22:06 +02:00

2640 lines
92 KiB
C++

#include "libs/ngs2.h"
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/threads.h"
#include "libs/ajm/atrac9_decoder.h"
#include "libs/errno.h"
#include "libs/libs.h"
#include <algorithm>
#include <array>
#include <atomic>
#include <cmath>
#include <cstddef>
#include <cstring>
#include <deque>
#include <limits>
#include <magic_enum.hpp>
#include <memory>
#include <numbers>
#include <vector>
#include "libatrac9.h"
namespace Libs::Audio {
namespace Ngs2 {
LIB_NAME("Ngs2", "Ngs2");
constexpr int32_t NGS2_ERROR_INVALID_OUT_ADDRESS =
static_cast<int32_t>(0x804a8010u);
constexpr int32_t NGS2_ERROR_INVALID_NUM_WAVEFORM_BLOCKS =
static_cast<int32_t>(0x804a8053u);
constexpr int32_t NGS2_ERROR_FULL_WAVEFORM_BLOCKS =
static_cast<int32_t>(0x804a8054u);
constexpr int32_t NGS2_ERROR_INVALID_WAVEFORM_DATA =
static_cast<int32_t>(0x804a8430u);
constexpr int32_t NGS2_ERROR_INVALID_WAVEFORM_FORMAT =
static_cast<int32_t>(0x804a8431u);
constexpr int32_t NGS2_ERROR_UNKNOWN_WAVEFORM_FORMAT =
static_cast<int32_t>(0x804a8432u);
constexpr uint32_t NGS2_WAVEFORM_TYPE_ATRAC9 = 0x40;
struct Ngs2SystemOption {
size_t size = 0;
char name[64] = {};
uintptr_t job_scheduler_options[4] = {};
uint32_t flags = 0;
uint32_t max_grain_samples = 0;
uint32_t num_grain_samples = 0;
uint32_t sample_rate = 0;
uint32_t max_voice_channels = 0;
uint32_t reserved[5] = {};
};
struct Ngs2RackOption {
size_t size = 0;
char name[64] = {};
uint32_t flags = 0;
uint32_t max_grain_samples = 0;
uint32_t max_voices = 0;
uint32_t max_input_delay_blocks = 0;
uint32_t max_matrices = 0;
uint32_t max_ports = 0;
uint32_t max_voice_channels = 0;
uint32_t max_output_channels = 0;
uint32_t reserved[18] = {};
};
struct Ngs2MasteringRackOption {
Ngs2RackOption rack_option;
uint32_t max_channels = 0;
uint32_t num_peak_meter_blocks = 0;
};
struct Ngs2SubmixerRackOption {
Ngs2RackOption rack_option;
uint32_t max_channels = 0;
uint32_t max_envelope_points = 0;
uint32_t max_filters = 0;
uint32_t max_inputs = 0;
uint32_t num_peak_meter_blocks = 0;
};
struct Ngs2SamplerRackOption {
Ngs2RackOption rack_option;
uint32_t max_channel_works = 0;
uint32_t max_codec_caches = 0;
uint32_t max_waveform_blocks = 0;
uint32_t max_envelope_points = 0;
uint32_t max_filters = 0;
uint32_t max_atrac9_decoders = 0;
uint32_t max_atrac9_channel_works = 0;
uint32_t max_ajm_atrac9_decoders = 0;
uint32_t num_peak_meter_blocks = 0;
};
struct Ngs2ReverbRackOption {
Ngs2RackOption rack_option;
uint32_t max_channels = 0;
uint32_t reverb_size = 0;
};
struct Ngs2CustomModuleOption {
uint32_t size = 0;
};
struct Ngs2CustomRackModuleInfo {
const Ngs2CustomModuleOption* option = nullptr;
uint32_t module_id = 0;
uint32_t source_buffer_id = 0;
uint32_t extra_buffer_id = 0;
uint32_t dest_buffer_id = 0;
uint32_t state_offset = 0;
uint32_t state_size = 0;
uint32_t reserved = 0;
uint32_t reserved2 = 0;
};
struct Ngs2CustomRackPortInfo {
uint32_t source_buffer_id = 0;
uint32_t reserved = 0;
};
struct Ngs2CustomRackOption {
Ngs2RackOption rack_option;
uint32_t state_size = 0;
uint32_t num_buffers = 0;
uint32_t num_modules = 0;
uint32_t reserved = 0;
Ngs2CustomRackModuleInfo module[24];
Ngs2CustomRackPortInfo port[16];
};
struct Ngs2CustomSubmixerRackOption {
Ngs2CustomRackOption custom_rack_option;
uint32_t max_channels = 0;
uint32_t max_inputs = 0;
};
struct Ngs2CustomMasteringRackOption {
Ngs2CustomRackOption custom_rack_option;
uint32_t max_channels = 0;
uint32_t max_inputs = 0;
};
struct Ngs2CustomSamplerRackOption {
Ngs2CustomRackOption custom_rack_option;
uint32_t max_channel_works = 0;
uint32_t max_waveform_blocks = 0;
uint32_t max_atrac9_decoders = 0;
uint32_t max_atrac9_channel_works = 0;
uint32_t max_ajm_atrac9_decoders = 0;
uint32_t max_codec_caches = 0;
};
union Ngs2RackOptionUnion {
Ngs2RackOption common;
Ngs2SamplerRackOption sampler;
Ngs2MasteringRackOption mastering;
Ngs2SubmixerRackOption submixer;
Ngs2ReverbRackOption reverb;
Ngs2CustomSubmixerRackOption custom_submixer;
Ngs2CustomMasteringRackOption custom_mastering;
Ngs2CustomSamplerRackOption custom_sampler;
};
struct Ngs2ContextBufferInfo {
void* host_buffer = nullptr;
size_t host_buffer_size = 0;
uintptr_t reserved[5] = {};
uintptr_t user_data = 0;
};
struct Ngs2SystemInfo {
char name[64] = {};
uintptr_t system_handle = 0;
Ngs2ContextBufferInfo buffer_info;
uint32_t uid = 0;
uint32_t min_grain_samples = 0;
uint32_t max_grain_samples = 0;
uint32_t state_flags = 0;
uint32_t rack_count = 0;
float last_render_ratio = 0.0f;
uint64_t last_render_tick = 0;
uint64_t render_count = 0;
uint32_t sample_rate = 0;
uint32_t num_grain_samples = 0;
};
struct Ngs2RenderBufferInfo {
void* buffer = nullptr;
size_t buffer_size = 0;
uint32_t waveform_type = 0;
uint32_t num_channels = 0;
};
struct Ngs2WaveformFormat {
uint32_t waveform_type = 0;
uint32_t num_channels = 0;
uint32_t sample_rate = 0;
uint32_t config_data = 0;
uint32_t frame_offset = 0;
uint32_t frame_margin = 0;
};
struct Ngs2WaveformBlock {
uintptr_t data_offset = 0;
size_t data_size = 0;
uint32_t num_repeats = 0;
uint32_t num_skip_samples = 0;
uint32_t num_samples = 0;
uint32_t reserved = 0;
uintptr_t user_data = 0;
};
struct Ngs2WaveformInfo {
Ngs2WaveformFormat format;
uint32_t data_offset = 0;
uint32_t data_size = 0;
uint32_t loop_begin_position = 0;
uint32_t loop_end_position = 0;
uint32_t num_samples = 0;
uint32_t audio_unit_size = 0;
uint32_t num_audio_unit_samples = 0;
uint32_t num_audio_unit_per_frame = 0;
uint32_t audio_frame_size = 0;
uint32_t num_audio_frame_samples = 0;
uint32_t num_delay_samples = 0;
uint32_t num_blocks = 0;
Ngs2WaveformBlock blocks[4];
};
struct Ngs2PanParam {
float angle = 0.0f;
float distance = 0.0f;
float fbw_level = 0.0f;
float lfe_level = 0.0f;
};
struct Ngs2PanWork {
float speaker_angles[8] = {};
float unit_angle = 0.0f;
uint32_t num_speakers = 0;
};
struct Ngs2GeomVector {
float x = 0.0f;
float y = 0.0f;
float z = 0.0f;
};
struct Ngs2GeomCone {
float inner_level = 0.0f;
float inner_angle = 0.0f;
float outer_level = 0.0f;
float outer_angle = 0.0f;
};
struct Ngs2GeomRolloff {
uint32_t model = 0;
float max_distance = 0.0f;
float rolloff_factor = 0.0f;
float reference_distance = 0.0f;
};
struct Ngs2GeomListenerParam {
Ngs2GeomVector position;
Ngs2GeomVector orient_front;
Ngs2GeomVector orient_up;
Ngs2GeomVector velocity;
float sound_speed = 0.0f;
uint32_t reserved[2] = {};
};
struct Ngs2GeomListenerWork {
float matrix[4][4] = {};
Ngs2GeomVector velocity;
float sound_speed = 0.0f;
uint32_t coordinate = 0;
uint32_t reserved[3] = {};
};
struct Ngs2GeomSourceParam {
Ngs2GeomVector position;
Ngs2GeomVector velocity;
Ngs2GeomVector direction;
Ngs2GeomCone cone;
Ngs2GeomRolloff rolloff;
float doppler_factor = 0.0f;
float fbw_level = 0.0f;
float lfe_level = 0.0f;
float max_level = 0.0f;
float min_level = 0.0f;
float radius = 0.0f;
uint32_t num_speakers = 0;
uint32_t matrix_format = 0;
uint32_t reserved[2] = {};
};
struct Ngs2GeomA3dAttribute {
Ngs2GeomVector position;
float volume = 0.0f;
uint32_t reserved[4] = {};
};
struct Ngs2GeomAttribute {
float pitch_ratio = 0.0f;
float level[64] = {};
Ngs2GeomA3dAttribute a3d_attrib;
uint32_t reserved[4] = {};
};
using Ngs2BufferAllocHandler = int32_t KYTY_SYSV_ABI (*)(Ngs2ContextBufferInfo*);
using Ngs2BufferFreeHandler = int32_t KYTY_SYSV_ABI (*)(Ngs2ContextBufferInfo*);
struct Ngs2BufferAllocator {
Ngs2BufferAllocHandler alloc_handler = nullptr;
Ngs2BufferFreeHandler free_handler = nullptr;
uintptr_t user_data = 0;
};
struct Ngs2Internal {
Ngs2SystemOption option;
Ngs2ContextBufferInfo buffer_info;
Ngs2BufferAllocator allocator;
Ngs2Internal* next = nullptr;
uint64_t render_count = 0;
uint32_t uid = 0;
Common::Mutex mutex;
};
enum class Ngs2RackType {
Sampler,
Submixer,
Mastering,
Reverb,
CustomSubmixer,
CustomMastering,
CustomSampler,
};
struct Ngs2UserFxContext {
void* common;
void* param;
void* work;
uintptr_t user_data;
uint32_t max_voices;
uint32_t voice_index;
uint64_t reserved[4] {};
};
struct Ngs2UserFxProcessContext {
float** channels;
void* common;
const void* param;
void* work;
void* state;
uintptr_t user_data;
uint32_t flags;
uint32_t input_channels;
uint32_t output_channels;
uint32_t grain_samples;
uint32_t sample_rate;
uint32_t reserved {};
uint64_t reserved2[4] {};
};
struct Ngs2UserFxOption {
Ngs2CustomModuleOption header;
int KYTY_SYSV_ABI (*setup)(Ngs2UserFxContext*);
int KYTY_SYSV_ABI (*cleanup)(Ngs2UserFxContext*);
uintptr_t control;
int KYTY_SYSV_ABI (*process)(Ngs2UserFxProcessContext*);
size_t common_size;
size_t param_size;
size_t work_size;
uintptr_t user_data;
};
struct Ngs2RackInternal {
Ngs2Internal* ngs = nullptr;
Ngs2RackInternal* next = nullptr;
Ngs2RackType type = Ngs2RackType::Sampler;
Ngs2RackOptionUnion option;
Ngs2ContextBufferInfo buffer_info;
Ngs2BufferAllocator allocator;
std::array<std::vector<uint8_t>, 24> common;
std::array<Ngs2UserFxOption, 24> fx {};
};
enum class Ngs2VoicePlayState : uint32_t { Empty = 0, Playing = 3, Paused = 5, Stopped = 0xb };
struct Ngs2SamplerFilterParam {
uint32_t index;
uint32_t location;
uint32_t type;
uint64_t channel_mask;
float frequency;
float q;
float level;
uint32_t reserved[3];
};
static_assert(sizeof(Ngs2SamplerFilterParam) == 48);
static_assert(offsetof(Ngs2SamplerFilterParam, type) == 8 &&
offsetof(Ngs2SamplerFilterParam, channel_mask) == 16 &&
offsetof(Ngs2SamplerFilterParam, frequency) == 24);
struct Ngs2SamplerFilter {
struct History {
double x1 = 0, x2 = 0, y1 = 0, y2 = 0;
};
bool enabled = false;
bool warned = false;
uint64_t channel_mask = 0;
double b0 = 1, b1 = 0, b2 = 0, a1 = 0, a2 = 0;
std::vector<History> history;
void Configure(const Ngs2SamplerFilterParam& param, uint32_t rate, uint32_t channels) {
if (param.type == 0) {
enabled = false;
history.clear();
return;
}
if (param.location != 1 || param.type != 1 || !std::isfinite(param.frequency) ||
param.frequency < 0 || !std::isfinite(param.q) || param.q <= 0 ||
!std::isfinite(param.level) || param.level < 0 || rate == 0) {
enabled = false;
history.clear();
if (!warned) {
Log::WriteToConsoleAndLog(fmt::sprintf(
"warning: unsupported NGS2 sampler filter (location=%u, type=%u)\n",
param.location, param.type));
warned = true;
}
return;
}
channel_mask = param.channel_mask;
history.resize(channels);
enabled = true;
if (param.frequency == 0 || param.frequency >= rate * 0.5) {
b0 = param.frequency == 0 ? 0 : param.level;
b1 = b2 = a1 = a2 = 0;
return;
}
// RBJ low-pass biquad, normalized by a0 (Audio EQ Cookbook).
const double omega = (2.0 * std::numbers::pi) * param.frequency / rate;
const double cosine = std::cos(omega);
const double alpha = std::sin(omega) / (2.0 * param.q);
const double inverse_a0 = 1.0 / (1.0 + alpha);
b0 = (1.0 - cosine) * 0.5 * inverse_a0 * param.level;
b1 = 2.0 * b0;
b2 = b0;
a1 = -2.0 * cosine * inverse_a0;
a2 = (1.0 - alpha) * inverse_a0;
}
bool Bypasses(size_t channel) const {
return channel < 64 && (channel_mask & (uint64_t {1} << channel)) != 0;
}
bool HasHistory() const {
if (!enabled) {
return false;
}
for (size_t c = 0; c < history.size(); ++c) {
if (Bypasses(c)) {
continue;
}
const auto& h = history[c];
if (h.x1 != 0 || h.x2 != 0 || h.y1 != 0 || h.y2 != 0) {
return true;
}
}
return false;
}
void Process(std::vector<float>& samples, uint32_t channels, uint32_t grain) {
if (!enabled) {
return;
}
for (uint32_t c = 0; c < channels; ++c) {
if (Bypasses(c)) {
continue;
}
auto& h = history[c];
for (uint32_t i = 0; i < grain; ++i) {
const double x = samples[c * grain + i];
double y = b0 * x + b1 * h.x1 + b2 * h.x2 - a1 * h.y1 - a2 * h.y2;
if (std::abs(y) < 1e-20) {
y = 0;
}
h.x2 = h.x1;
h.x1 = x;
h.y2 = h.y1;
h.y1 = y;
samples[c * grain + i] = static_cast<float>(y);
}
}
}
};
struct Ngs2VoiceInternal {
struct Port {
Ngs2VoiceInternal* dest = nullptr;
uint32_t input = 0;
float volume = 1.0f;
int32_t matrix = -1;
};
struct Block {
const uint8_t* data;
Ngs2WaveformBlock info;
uint32_t cursor = 0;
size_t data_cursor = 0;
uint32_t repeated_count = 0;
};
struct Module {
std::vector<uint8_t> param, work, state;
uint32_t flags = 1;
bool control_warned = false;
bool render_warned = false;
};
Ngs2VoicePlayState state = Ngs2VoicePlayState::Empty;
uint32_t state_flags = 0;
Ngs2RackInternal* rack = nullptr;
uintptr_t callback = 0;
uintptr_t callback_data = 0;
uint32_t callback_flags = 0;
std::deque<Block> blocks;
std::vector<Port> ports;
std::vector<std::vector<float>> matrices;
std::vector<Module> modules;
std::vector<float> samples;
std::vector<float> output_matrix;
uint32_t channels = 0;
uint32_t output_id = 0;
bool rendering = false;
bool rendered = false;
bool has_samples = false;
std::unique_ptr<Ajm::AjmAt9Decoder> decoder;
std::vector<float> decoded_frame;
std::vector<float> next_decoded_frame;
std::vector<uint8_t> compressed_input;
uint32_t frame_cursor = 0;
uint32_t frame_samples = 0;
uint32_t next_frame_samples = 0;
bool accepts_blocks = true;
uint32_t sample_rate = 0;
uint64_t sample_phase = 0;
uint64_t sample_step = 0;
uint64_t decoded_samples = 0;
uint64_t decoded_bytes = 0;
uint64_t source_generation = 0;
uint32_t duration_remaining = 0;
uint32_t skip_remaining = 0;
const uint8_t* waveform_end = nullptr;
std::vector<Ngs2SamplerFilter> filters;
const uint8_t* WaveformData() const {
if (blocks.empty()) {
return waveform_end;
}
const auto& block = blocks.front();
return block.data + (decoder != nullptr
? block.data_cursor
: (uint64_t(block.info.num_skip_samples) + block.cursor) *
channels * sizeof(int16_t));
}
void ResetSetupState() {
SetEvent(4);
std::ranges::fill(ports, Port {});
for (auto& matrix: matrices) {
matrix.clear();
}
filters.clear();
}
void ClearWaveformBlocks() {
++source_generation;
blocks.clear();
sample_phase = 0;
duration_remaining = 0;
skip_remaining = 0;
compressed_input.clear();
frame_cursor = 0;
frame_samples = 0;
next_frame_samples = 0;
waveform_end = nullptr;
}
void SetupSampler(const Ngs2WaveformFormat& format) {
const bool deferred = format.waveform_type == 0 && format.num_channels == 0 &&
format.sample_rate == 0 && format.config_data == 0 &&
format.frame_margin == 0 && format.frame_offset == 0;
EXIT_NOT_IMPLEMENTED(!deferred &&
(format.frame_margin != 0 || format.frame_offset != 0 ||
format.sample_rate == 0 || format.num_channels == 0));
ResetSetupState();
ClearWaveformBlocks();
channels = format.num_channels;
sample_rate = format.sample_rate;
sample_step = uint64_t(sample_rate) << 32u;
decoded_samples = 0;
decoded_bytes = 0;
decoder.reset();
decoded_frame.clear();
next_decoded_frame.clear();
accepts_blocks = true;
if (deferred) {
return;
}
if (format.waveform_type == NGS2_WAVEFORM_TYPE_ATRAC9) {
decoder = std::make_unique<Ajm::AjmAt9Decoder>(channels, format.sample_rate,
Ajm::AjmSampleEncoding::Float, 0);
const std::array<uint8_t, ATRAC9_CONFIG_DATA_SIZE> config = {
static_cast<uint8_t>(format.config_data >> 24u),
static_cast<uint8_t>(format.config_data >> 16u),
static_cast<uint8_t>(format.config_data >> 8u),
static_cast<uint8_t>(format.config_data)};
const auto result = decoder->Initialize(config.data(), config.size());
EXIT_NOT_IMPLEMENTED(result.result != OK);
EXIT_NOT_IMPLEMENTED(result.format.channel_num != channels ||
result.format.sampling_frequency != format.sample_rate);
Ajm::AjmSidebandDecAt9CodecInfo info {};
decoder->WriteCodecInfo(&info, sizeof(info), result);
EXIT_NOT_IMPLEMENTED(info.frame_samples > std::numeric_limits<uint16_t>::max());
decoded_frame.resize(info.frame_samples * channels);
compressed_input.reserve(info.super_frame_size);
} else {
EXIT_NOT_IMPLEMENTED(format.waveform_type != 0x12);
}
}
int AddWaveformBlocks(const uint8_t* data, uint32_t flags, uint32_t count,
const Ngs2WaveformBlock* waveform_blocks) {
const auto capacity = rack->type == Ngs2RackType::Sampler
? rack->option.sampler.max_waveform_blocks
: rack->option.custom_sampler.max_waveform_blocks;
if (count > capacity) {
return NGS2_ERROR_INVALID_NUM_WAVEFORM_BLOCKS;
}
EXIT_NOT_IMPLEMENTED(!accepts_blocks || (flags & ~0x17u) != 0);
const bool clear = (flags & 4u) != 0;
const bool only_data = (flags & 2u) != 0;
const bool join = only_data && (flags & 0x10u) == 0;
EXIT_NOT_IMPLEMENTED(only_data && decoder == nullptr);
const auto retained = clear ? 0 : blocks.size();
Block tail = retained == 0 ? Block {} : blocks.back();
std::vector<Block> pending;
pending.reserve(count);
for (uint32_t i = 0; i < count; ++i) {
auto info = waveform_blocks[i];
if (!only_data && info.num_samples == 0 && info.data_size == 0) {
continue;
}
EXIT_NOT_IMPLEMENTED(!only_data && info.num_samples == 0);
if (only_data) {
info.num_repeats = 0;
info.num_skip_samples = 0;
info.num_samples = 0;
}
EXIT_NOT_IMPLEMENTED(info.num_repeats != 0 && rack->type != Ngs2RackType::Sampler);
EXIT_NOT_IMPLEMENTED(decoder == nullptr &&
(uint64_t(info.num_skip_samples) + info.num_samples) *
channels * sizeof(int16_t) >
info.data_size);
Block block {data + info.data_offset, info};
auto* previous = pending.empty() ? (retained == 0 ? nullptr : &tail)
: &pending.back();
if (join && previous != nullptr &&
previous->data + previous->info.data_size == block.data) {
previous->info.data_size += block.info.data_size;
} else {
pending.push_back(block);
}
}
// Validate the complete addition before clearing, extending, or closing the stream.
if (retained + pending.size() > capacity) {
return NGS2_ERROR_FULL_WAVEFORM_BLOCKS;
}
if (clear) {
ClearWaveformBlocks();
} else if (retained != 0) {
blocks.back().info.data_size = tail.info.data_size;
}
blocks.insert(blocks.end(), pending.begin(), pending.end());
accepts_blocks = (flags & 1u) != 0;
return OK;
}
void SetMatrix(uint32_t index, const float* levels, uint32_t count) {
EXIT_NOT_IMPLEMENTED(index >= matrices.size());
matrices[index].assign(levels, levels + count);
}
void SetVolume(uint32_t index, float volume) {
EXIT_NOT_IMPLEMENTED(index >= ports.size());
ports[index].volume = volume;
}
void SetPortMatrix(uint32_t index, int32_t matrix) {
EXIT_NOT_IMPLEMENTED(index >= ports.size());
ports[index].matrix = matrix;
}
void SetEvent(uint32_t id) {
switch (id) {
case 1:
if (state == Ngs2VoicePlayState::Empty || state == Ngs2VoicePlayState::Stopped) {
state = Ngs2VoicePlayState::Playing;
// Reserve the voice immediately; publish playback flags after rendering.
state_flags |= 1;
}
break;
case 2:
if (state == Ngs2VoicePlayState::Playing || state == Ngs2VoicePlayState::Paused) {
state = Ngs2VoicePlayState::Stopped;
}
break;
case 4:
case 8: state = Ngs2VoicePlayState::Empty; break;
case 16:
if (state == Ngs2VoicePlayState::Playing) {
state = Ngs2VoicePlayState::Paused;
}
break;
case 32:
if (state == Ngs2VoicePlayState::Paused) {
state = Ngs2VoicePlayState::Playing;
}
break;
default: EXIT("unknown event_id: 0x%08" PRIx32 "\n", id);
}
}
};
struct Ngs2VoiceParamHeader {
uint16_t size;
int16_t next;
uint32_t id;
};
struct Ngs2VoiceEventParam {
Ngs2VoiceParamHeader header;
uint32_t event_id;
};
struct Ngs2SubmixerVoiceSetupParam {
Ngs2VoiceParamHeader header;
uint32_t num_io_channels;
uint32_t flags;
};
static_assert(sizeof(Ngs2SubmixerVoiceSetupParam) == 16);
struct Ngs2VoicePatchParam {
Ngs2VoiceParamHeader header;
uint32_t port;
uint32_t dest_input_id;
uintptr_t dest_handle;
};
struct Ngs2VoiceMatrixLevelsParam {
Ngs2VoiceParamHeader header;
uint32_t matrix_id;
uint32_t num_levels;
const float* levels;
};
struct Ngs2VoicePortMatrixParam {
Ngs2VoiceParamHeader header;
uint32_t port;
int32_t matrix_id;
};
struct Ngs2VoicePortVolumeParam {
Ngs2VoiceParamHeader header;
uint32_t port;
float level;
};
struct Ngs2VoicePortDelayParam {
Ngs2VoiceParamHeader header;
uint32_t port;
uint32_t num_samples;
};
struct Ngs2VoiceCallbackParam {
Ngs2VoiceParamHeader header;
uintptr_t callback;
uintptr_t callback_data;
uint32_t flags;
uint32_t reserved;
};
struct Ngs2VoiceState {
uint32_t state_flags;
int32_t error_code;
};
struct Ngs2SubmixerVoiceState {
Ngs2VoiceState voice_state;
float envelope_height;
float peak_height;
float compressor_height;
};
struct Ngs2CustomMasteringVoiceState {
Ngs2VoiceState voice_state;
uint32_t reserved;
uint32_t reserved2;
};
struct Ngs2SamplerVoiceState {
Ngs2VoiceState voice_state;
float envelope_height;
float peak_height;
uint32_t reserved;
uint64_t num_decoded_samples;
uint64_t decoded_data_size;
uint64_t user_data;
const void* waveform_data;
};
struct Ngs2CustomSamplerVoiceState {
Ngs2VoiceState voice_state;
const void* waveform_data;
uint64_t num_decoded_samples;
uint64_t decoded_data_size;
uint64_t user_data;
uint32_t reserved;
uint32_t reserved2;
};
static Ngs2Internal* g_ngs_list = nullptr;
static Ngs2RackInternal* g_racks_list = nullptr;
static std::atomic_uint32_t g_next_ngs_uid = 1;
static Common::Mutex g_racks_mutex;
static_assert(sizeof(Ngs2UserFxContext) == 72);
static_assert(sizeof(Ngs2UserFxProcessContext) == 104);
static_assert(sizeof(Ngs2UserFxOption) == 72);
static_assert(sizeof(Ngs2SystemOption) == 144);
static_assert(sizeof(Ngs2SystemInfo) == 184);
static_assert(sizeof(Ngs2RackOption) == 176);
static_assert(sizeof(Ngs2VoiceState) == 8);
static_assert(sizeof(Ngs2SubmixerVoiceState) == 20);
static_assert(sizeof(Ngs2CustomMasteringVoiceState) == 16);
static_assert(sizeof(Ngs2SamplerVoiceState) == 56);
static_assert(sizeof(Ngs2CustomSamplerVoiceState) == 48);
static_assert(sizeof(Ngs2WaveformFormat) == 24);
static_assert(offsetof(Ngs2WaveformFormat, frame_offset) == 16 &&
offsetof(Ngs2WaveformFormat, frame_margin) == 20);
static_assert(sizeof(Ngs2WaveformBlock) == 40);
static_assert(sizeof(Ngs2WaveformInfo) == 232);
static uint32_t Ngs2GetStateFlags(const Ngs2VoiceInternal* voice) {
return voice->state_flags;
}
static Ngs2SystemOption Ngs2DefaultSystemOption() {
Ngs2SystemOption option {};
option.size = sizeof(Ngs2SystemOption);
option.max_grain_samples = 512;
option.num_grain_samples = 256;
option.sample_rate = 48000;
return option;
}
int KYTY_SYSV_ABI Ngs2SystemResetOption(Ngs2SystemOption* option) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(option == nullptr);
*option = Ngs2DefaultSystemOption();
return OK;
}
static Ngs2Internal* Ngs2CreateSystemInternal(const Ngs2SystemOption* option,
const Ngs2ContextBufferInfo* buffer_info) {
auto* ngs = new (buffer_info->host_buffer) Ngs2Internal;
ngs->option = *option;
ngs->buffer_info = *buffer_info;
ngs->uid = g_next_ngs_uid.fetch_add(1, std::memory_order_relaxed);
ngs->next = g_ngs_list;
g_ngs_list = ngs;
return ngs;
}
static bool Ngs2RackIsCustom(Ngs2RackType type) {
switch (type) {
case Ngs2RackType::CustomSubmixer:
case Ngs2RackType::CustomMastering:
case Ngs2RackType::CustomSampler: return true;
default: return false;
}
}
int KYTY_SYSV_ABI Ngs2SystemQueryBufferSize(const Ngs2SystemOption* option,
Ngs2ContextBufferInfo* buffer_info) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(buffer_info == nullptr);
auto default_option = Ngs2DefaultSystemOption();
if (option == nullptr) {
option = &default_option;
LOGF("\t option = nullptr, using reset defaults\n");
}
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2SystemOption));
std::memset(buffer_info, 0, sizeof(Ngs2ContextBufferInfo));
buffer_info->host_buffer_size = sizeof(Ngs2Internal);
return OK;
}
int KYTY_SYSV_ABI Ngs2SystemCreate(const Ngs2SystemOption* option,
const Ngs2ContextBufferInfo* buffer_info, uintptr_t* handle) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(buffer_info == nullptr);
EXIT_NOT_IMPLEMENTED(handle == nullptr);
EXIT_NOT_IMPLEMENTED(buffer_info->host_buffer == nullptr);
EXIT_NOT_IMPLEMENTED(buffer_info->host_buffer_size < sizeof(Ngs2Internal));
auto default_option = Ngs2DefaultSystemOption();
if (option == nullptr) {
option = &default_option;
LOGF("\t option = nullptr, using reset defaults\n");
}
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2SystemOption));
auto* ngs = Ngs2CreateSystemInternal(option, buffer_info);
*handle = reinterpret_cast<uintptr_t>(ngs);
return OK;
}
static void Ngs2FillDefaultRackOption(uint32_t rack_id, Ngs2RackOptionUnion* option) {
EXIT_NOT_IMPLEMENTED(option == nullptr);
*option = {};
switch (rack_id) {
case 0x1000:
option->sampler.rack_option.size = sizeof(Ngs2SamplerRackOption);
option->sampler.rack_option.max_grain_samples = 512;
option->sampler.rack_option.max_voices = 256;
option->sampler.rack_option.max_input_delay_blocks = 0;
option->sampler.rack_option.max_matrices = 1;
option->sampler.rack_option.max_ports = 8;
option->sampler.max_channel_works = 256;
option->sampler.max_codec_caches = 32;
option->sampler.max_waveform_blocks = 4;
option->sampler.max_envelope_points = 4;
option->sampler.max_filters = 8;
option->sampler.max_atrac9_decoders = 256;
option->sampler.max_atrac9_channel_works = 256;
option->sampler.max_ajm_atrac9_decoders = 0;
option->sampler.num_peak_meter_blocks = 8;
break;
case 0x2000:
option->submixer.rack_option.size = sizeof(Ngs2SubmixerRackOption);
option->submixer.rack_option.max_grain_samples = 512;
option->submixer.rack_option.max_voices = 1;
option->submixer.rack_option.max_input_delay_blocks = 1;
option->submixer.rack_option.max_matrices = 1;
option->submixer.rack_option.max_ports = 8;
option->submixer.max_channels = 8;
option->submixer.max_envelope_points = 4;
option->submixer.max_filters = 8;
option->submixer.max_inputs = 1;
option->submixer.num_peak_meter_blocks = 8;
break;
case 0x2001:
option->reverb.rack_option.size = sizeof(Ngs2ReverbRackOption);
option->reverb.rack_option.max_grain_samples = 512;
option->reverb.rack_option.max_voices = 1;
option->reverb.rack_option.max_input_delay_blocks = 1;
option->reverb.rack_option.max_matrices = 1;
option->reverb.rack_option.max_ports = 8;
option->reverb.max_channels = 8;
option->reverb.reverb_size = 1;
break;
case 0x3000:
option->mastering.rack_option.size = sizeof(Ngs2MasteringRackOption);
option->mastering.rack_option.max_grain_samples = 512;
option->mastering.rack_option.max_voices = 1;
option->mastering.rack_option.max_input_delay_blocks = 1;
option->mastering.rack_option.max_matrices = 0;
option->mastering.rack_option.max_ports = 0;
option->mastering.max_channels = 8;
option->mastering.num_peak_meter_blocks = 8;
break;
case 0x4002:
// FIXME: Temporary PS5 progress fallback. This mirrors Prospero reset helper's
// common custom-submixer defaults, but the custom module internals are still stubbed.
option->custom_submixer.custom_rack_option.rack_option.size =
sizeof(Ngs2CustomSubmixerRackOption);
option->custom_submixer.custom_rack_option.rack_option.max_grain_samples = 512;
option->custom_submixer.custom_rack_option.rack_option.max_voices = 1;
option->custom_submixer.custom_rack_option.rack_option.max_input_delay_blocks = 1;
option->custom_submixer.custom_rack_option.rack_option.max_matrices = 1;
option->custom_submixer.custom_rack_option.rack_option.max_ports = 8;
option->custom_submixer.custom_rack_option.num_buffers = 1;
option->custom_submixer.max_channels = 8;
option->custom_submixer.max_inputs = 1;
break;
case 0x4001:
option->custom_sampler.custom_rack_option.rack_option.size =
sizeof(Ngs2CustomSamplerRackOption);
option->custom_sampler.custom_rack_option.rack_option.max_grain_samples = 512;
option->custom_sampler.custom_rack_option.rack_option.max_voices = 256;
option->custom_sampler.custom_rack_option.rack_option.max_input_delay_blocks = 0;
option->custom_sampler.custom_rack_option.rack_option.max_matrices = 1;
option->custom_sampler.custom_rack_option.rack_option.max_ports = 8;
option->custom_sampler.custom_rack_option.num_buffers = 1;
option->custom_sampler.max_channel_works = 256;
option->custom_sampler.max_waveform_blocks = 4;
option->custom_sampler.max_atrac9_decoders = 256;
option->custom_sampler.max_atrac9_channel_works = 256;
option->custom_sampler.max_ajm_atrac9_decoders = 0;
option->custom_sampler.max_codec_caches = 32;
break;
default: EXIT("unknown rack_id for default option: 0x%" PRIx32 "\n", rack_id);
}
}
int KYTY_SYSV_ABI Ngs2RackQueryBufferSize(uint32_t rack_id, const Ngs2RackOption* option,
Ngs2ContextBufferInfo* buffer_info) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(buffer_info == nullptr);
Ngs2RackOptionUnion default_option {};
if (option == nullptr) {
Ngs2FillDefaultRackOption(rack_id, &default_option);
option = &default_option.common;
LOGF("\t option = nullptr, using reset defaults for rack_id 0x%" PRIx32 "\n", rack_id);
}
LOGF("\t rack_id = 0x%" PRIx32 "\n"
"\t max_voices = %u\n",
rack_id, option->max_voices);
buffer_info->host_buffer_size =
sizeof(Ngs2RackInternal) + sizeof(Ngs2VoiceInternal) * option->max_voices;
return OK;
}
int KYTY_SYSV_ABI Ngs2SystemCreateWithAllocator(const Ngs2SystemOption* option,
const Ngs2BufferAllocator* allocator,
uintptr_t* handle) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(allocator == nullptr);
EXIT_NOT_IMPLEMENTED(handle == nullptr);
EXIT_NOT_IMPLEMENTED(allocator->alloc_handler == nullptr);
EXIT_NOT_IMPLEMENTED(allocator->free_handler == nullptr);
auto default_option = Ngs2DefaultSystemOption();
if (option == nullptr) {
option = &default_option;
LOGF("\t option = nullptr, using reset defaults\n");
}
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2SystemOption));
LOGF("\t name = %.64s\n"
"\t flags = %u\n"
"\t max_grain_samples = %u\n"
"\t num_grain_samples = %u\n"
"\t sample_rate = %u\n"
"\t max_voice_channels = %u\n"
"\t alloc_handler = 0x%016" PRIx64 "\n"
"\t free_handler = 0x%016" PRIx64 "\n"
"\t user_data = 0x%016" PRIx64 "\n",
option->name, option->flags, option->max_grain_samples, option->num_grain_samples,
option->sample_rate, option->max_voice_channels,
reinterpret_cast<uint64_t>(allocator->alloc_handler),
reinterpret_cast<uint64_t>(allocator->free_handler),
static_cast<uint64_t>(allocator->user_data));
Ngs2ContextBufferInfo buf {};
buf.host_buffer = nullptr;
buf.host_buffer_size = sizeof(Ngs2Internal);
buf.user_data = allocator->user_data;
int result = allocator->alloc_handler(&buf);
EXIT_NOT_IMPLEMENTED(result != OK);
EXIT_NOT_IMPLEMENTED(buf.host_buffer == nullptr);
auto* ngs = Ngs2CreateSystemInternal(option, &buf);
ngs->allocator = *allocator;
*handle = reinterpret_cast<uintptr_t>(ngs);
return OK;
}
int KYTY_SYSV_ABI Ngs2SystemGetInfo(uintptr_t system_handle, Ngs2SystemInfo* info,
size_t info_size) {
constexpr int32_t ERROR_INVALID_OUT_ADDRESS = static_cast<int32_t>(0x804a8010u);
constexpr int32_t ERROR_INVALID_OUT_SIZE = static_cast<int32_t>(0x804a8011u);
constexpr int32_t ERROR_INVALID_SYSTEM_HANDLE = static_cast<int32_t>(0x804a8201u);
if (info == nullptr) {
return ERROR_INVALID_OUT_ADDRESS;
}
if (info_size != sizeof(Ngs2SystemInfo)) {
return ERROR_INVALID_OUT_SIZE;
}
auto* ngs = reinterpret_cast<Ngs2Internal*>(system_handle);
auto* current = g_ngs_list;
while (current != nullptr && current != ngs) {
current = current->next;
}
if (current == nullptr) {
return ERROR_INVALID_SYSTEM_HANDLE;
}
Common::LockGuard lock(ngs->mutex);
*info = {};
std::memcpy(info->name, ngs->option.name, sizeof(info->name));
info->system_handle = system_handle;
info->buffer_info = ngs->buffer_info;
info->uid = ngs->uid;
info->min_grain_samples = 64;
info->max_grain_samples = ngs->option.max_grain_samples;
info->state_flags = 1;
info->render_count = ngs->render_count;
info->sample_rate = ngs->option.sample_rate;
info->num_grain_samples = ngs->option.num_grain_samples;
Common::LockGuard racks_lock(g_racks_mutex);
for (auto* rack = g_racks_list; rack != nullptr; rack = rack->next) {
if (rack->ngs == ngs) {
info->rack_count++;
}
}
return OK;
}
int KYTY_SYSV_ABI Ngs2SystemSetGrainSamples(uintptr_t system_handle, uint32_t num_samples) {
PRINT_NAME();
LOGF("\t system_handle = 0x%016" PRIx64 "\n"
"\t num_samples = %u\n",
static_cast<uint64_t>(system_handle), num_samples);
EXIT_NOT_IMPLEMENTED(system_handle == 0);
auto* ngs = reinterpret_cast<Ngs2Internal*>(system_handle);
ngs->option.num_grain_samples = num_samples;
return OK;
}
int KYTY_SYSV_ABI Ngs2SystemDestroy(uintptr_t system_handle, Ngs2ContextBufferInfo* buffer_info) {
PRINT_NAME();
LOGF("\t system_handle = 0x%016" PRIx64 "\n", static_cast<uint64_t>(system_handle));
if (buffer_info != nullptr) {
std::memset(buffer_info, 0, sizeof(Ngs2ContextBufferInfo));
}
return OK;
}
static void Ngs2InitModules(Ngs2RackInternal& rack) {
if (!Ngs2RackIsCustom(rack.type)) {
return;
}
const auto& custom = rack.option.custom_sampler.custom_rack_option;
EXIT_NOT_IMPLEMENTED(custom.num_buffers != 1);
auto* voices = reinterpret_cast<Ngs2VoiceInternal*>(&rack + 1);
for (uint32_t m = 0; m < custom.num_modules; ++m) {
if (custom.module[m].module_id != 0x1f) {
continue;
}
auto& fx = rack.fx[m];
fx = *reinterpret_cast<const Ngs2UserFxOption*>(custom.module[m].option);
rack.common[m].resize(fx.common_size);
for (uint32_t i = 0; i < rack.option.common.max_voices; ++i) {
auto& module = voices[i].modules[m];
module.param.resize(fx.param_size);
module.work.resize(fx.work_size);
module.state.resize(custom.module[m].state_size);
if (fx.setup != nullptr) {
Ngs2UserFxContext context {
rack.common[m].data(), module.param.data(), module.work.data(),
fx.user_data, rack.option.common.max_voices, i};
EXIT_NOT_IMPLEMENTED(fx.setup(&context) != OK);
}
}
}
}
int KYTY_SYSV_ABI Ngs2RackCreate(uintptr_t system_handle, uint32_t rack_id,
const Ngs2RackOption* option,
const Ngs2ContextBufferInfo* buffer_info, uintptr_t* handle) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(buffer_info == nullptr);
EXIT_NOT_IMPLEMENTED(handle == nullptr);
EXIT_NOT_IMPLEMENTED(buffer_info->host_buffer == nullptr);
EXIT_NOT_IMPLEMENTED(buffer_info->host_buffer_size == 0);
EXIT_NOT_IMPLEMENTED(system_handle == 0);
Ngs2RackOptionUnion default_option {};
if (option == nullptr) {
Ngs2FillDefaultRackOption(rack_id, &default_option);
option = &default_option.common;
LOGF("\t option = nullptr, using reset defaults for rack_id 0x%" PRIx32
"\n",
rack_id);
}
EXIT_NOT_IMPLEMENTED(option->size < sizeof(Ngs2RackOption));
LOGF("\t rack_id = 0x%" PRIx32 "\n"
"\t name = %.64s\n"
"\t flags = %u\n"
"\t max_grain_samples = %u\n"
"\t max_voices = %u\n"
"\t max_input_delay_blocks = %u\n"
"\t max_matrices = %u\n"
"\t max_ports = %u\n"
"\t max_voice_channels = %u\n"
"\t max_output_channels = %u\n"
"\t host_buffer = 0x%016" PRIx64 "\n"
"\t host_buffer_size = 0x%016" PRIx64 "\n",
rack_id, option->name, option->flags, option->max_grain_samples, option->max_voices,
option->max_input_delay_blocks, option->max_matrices, option->max_ports,
option->max_voice_channels, option->max_output_channels,
reinterpret_cast<uint64_t>(buffer_info->host_buffer),
static_cast<uint64_t>(buffer_info->host_buffer_size));
auto* ngs = reinterpret_cast<Ngs2Internal*>(system_handle);
auto* rack = new (buffer_info->host_buffer) Ngs2RackInternal {};
auto* voices = reinterpret_cast<Ngs2VoiceInternal*>(rack + 1);
Common::LockGuard lock(ngs->mutex);
switch (rack_id) {
case 0x1000:
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2SamplerRackOption));
rack->option.sampler = *reinterpret_cast<const Ngs2SamplerRackOption*>(option);
rack->type = Ngs2RackType::Sampler;
break;
case 0x2000:
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2SubmixerRackOption));
rack->option.submixer = *reinterpret_cast<const Ngs2SubmixerRackOption*>(option);
rack->type = Ngs2RackType::Submixer;
break;
case 0x2001:
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2ReverbRackOption));
rack->option.reverb = *reinterpret_cast<const Ngs2ReverbRackOption*>(option);
rack->type = Ngs2RackType::Reverb;
break;
case 0x3000:
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2MasteringRackOption));
rack->option.mastering = *reinterpret_cast<const Ngs2MasteringRackOption*>(option);
rack->type = Ngs2RackType::Mastering;
break;
case 0x4002:
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2CustomSubmixerRackOption));
rack->option.custom_submixer =
*reinterpret_cast<const Ngs2CustomSubmixerRackOption*>(option);
rack->type = Ngs2RackType::CustomSubmixer;
break;
case 0x4003:
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2CustomMasteringRackOption));
rack->option.custom_mastering =
*reinterpret_cast<const Ngs2CustomMasteringRackOption*>(option);
rack->type = Ngs2RackType::CustomMastering;
break;
case 0x4001:
EXIT_NOT_IMPLEMENTED(option->size != sizeof(Ngs2CustomSamplerRackOption));
rack->option.custom_sampler =
*reinterpret_cast<const Ngs2CustomSamplerRackOption*>(option);
rack->type = Ngs2RackType::CustomSampler;
break;
default: EXIT("unknown rack_id: 0x%" PRIx32 "\n", rack_id);
}
LOGF("\t type = %s\n", magic_enum::enum_name(rack->type));
rack->allocator = Ngs2BufferAllocator();
rack->buffer_info = *buffer_info;
rack->ngs = ngs;
{
Common::LockGuard racks_lock(g_racks_mutex);
rack->next = g_racks_list;
g_racks_list = rack;
}
for (uint32_t i = 0; i < option->max_voices; i++) {
auto& voice = *std::construct_at(voices + i);
voice.rack = rack;
voice.ports.resize(option->max_ports);
voice.matrices.resize(option->max_matrices);
if (Ngs2RackIsCustom(rack->type)) {
voice.modules.resize(rack->option.custom_sampler.custom_rack_option.num_modules);
}
}
Ngs2InitModules(*rack);
*handle = reinterpret_cast<uintptr_t>(rack);
return OK;
}
int KYTY_SYSV_ABI Ngs2RackCreateWithAllocator(uintptr_t system_handle, uint32_t rack_id,
const Ngs2RackOption* option,
const Ngs2BufferAllocator* allocator,
uintptr_t* handle) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(allocator == nullptr);
EXIT_NOT_IMPLEMENTED(handle == nullptr);
EXIT_NOT_IMPLEMENTED(allocator->alloc_handler == nullptr);
EXIT_NOT_IMPLEMENTED(allocator->free_handler == nullptr);
EXIT_NOT_IMPLEMENTED(system_handle == 0);
Ngs2RackOptionUnion default_option {};
if (option == nullptr) {
Ngs2FillDefaultRackOption(rack_id, &default_option);
option = &default_option.common;
LOGF("\t option = nullptr, using reset defaults for rack_id 0x%" PRIx32
"\n",
rack_id);
}
EXIT_NOT_IMPLEMENTED(option->size < sizeof(Ngs2RackOption));
LOGF("\t alloc_handler = 0x%016" PRIx64 "\n"
"\t free_handler = 0x%016" PRIx64 "\n"
"\t user_data = 0x%016" PRIx64 "\n",
reinterpret_cast<uint64_t>(allocator->alloc_handler),
reinterpret_cast<uint64_t>(allocator->free_handler),
static_cast<uint64_t>(allocator->user_data));
Ngs2ContextBufferInfo buf {};
buf.host_buffer = nullptr;
buf.host_buffer_size = 0;
buf.user_data = allocator->user_data;
Ngs2RackQueryBufferSize(rack_id, option, &buf);
EXIT_NOT_IMPLEMENTED(buf.host_buffer_size == 0);
int result = allocator->alloc_handler(&buf);
EXIT_NOT_IMPLEMENTED(result != OK);
EXIT_NOT_IMPLEMENTED(buf.host_buffer == nullptr);
result = Ngs2RackCreate(system_handle, rack_id, option, &buf, handle);
if (result == OK) {
auto* rack = static_cast<Ngs2RackInternal*>(buf.host_buffer);
rack->allocator = *allocator;
}
return result;
}
int KYTY_SYSV_ABI Ngs2RackDestroy(uintptr_t rack_handle, Ngs2ContextBufferInfo* buffer_info) {
constexpr int32_t ERROR_INVALID_RACK_HANDLE = static_cast<int32_t>(0x804a8202u);
PRINT_NAME();
LOGF("\t rack_handle = 0x%016" PRIx64 "\n", static_cast<uint64_t>(rack_handle));
if (buffer_info != nullptr) {
*buffer_info = {};
}
if (rack_handle == 0) {
return ERROR_INVALID_RACK_HANDLE;
}
auto* rack = reinterpret_cast<Ngs2RackInternal*>(rack_handle);
Ngs2Internal* ngs = nullptr;
{
Common::LockGuard racks_lock(g_racks_mutex);
for (auto* current = g_racks_list; current != nullptr; current = current->next) {
if (current == rack) {
ngs = current->ngs;
break;
}
}
}
if (ngs == nullptr) {
return ERROR_INVALID_RACK_HANDLE;
}
Ngs2ContextBufferInfo context_buffer;
Ngs2BufferAllocator allocator;
{
Common::LockGuard lock(ngs->mutex);
{
Common::LockGuard racks_lock(g_racks_mutex);
auto** link = &g_racks_list;
while (*link != nullptr && *link != rack) {
link = &(*link)->next;
}
if (*link == nullptr) {
return ERROR_INVALID_RACK_HANDLE;
}
*link = rack->next;
}
auto* voices = reinterpret_cast<Ngs2VoiceInternal*>(rack + 1);
for (uint32_t i = 0; i < rack->option.common.max_voices; ++i) {
for (size_t m = 0; m < voices[i].modules.size(); ++m) {
const auto& fx = rack->fx[m];
if (fx.cleanup != nullptr) {
auto& module = voices[i].modules[m];
Ngs2UserFxContext context {rack->common[m].data(),
module.param.data(),
module.work.data(),
fx.user_data,
rack->option.common.max_voices,
i};
EXIT_NOT_IMPLEMENTED(fx.cleanup(&context) != OK);
}
}
std::destroy_at(voices + i);
}
context_buffer = rack->buffer_info;
allocator = rack->allocator;
std::destroy_at(rack);
}
if (allocator.free_handler != nullptr) {
return allocator.free_handler(&context_buffer);
}
if (buffer_info != nullptr) {
*buffer_info = context_buffer;
}
return OK;
}
int KYTY_SYSV_ABI Ngs2RackLock(uintptr_t rack_handle) {
PRINT_NAME();
LOGF("\t rack_handle = 0x%016" PRIx64 "\n", static_cast<uint64_t>(rack_handle));
EXIT_NOT_IMPLEMENTED(rack_handle == 0);
auto* rack = reinterpret_cast<Ngs2RackInternal*>(rack_handle);
EXIT_NOT_IMPLEMENTED(rack->ngs == nullptr);
rack->ngs->mutex.Lock();
return OK;
}
int KYTY_SYSV_ABI Ngs2RackUnlock(uintptr_t rack_handle) {
PRINT_NAME();
LOGF("\t rack_handle = 0x%016" PRIx64 "\n", static_cast<uint64_t>(rack_handle));
EXIT_NOT_IMPLEMENTED(rack_handle == 0);
auto* rack = reinterpret_cast<Ngs2RackInternal*>(rack_handle);
EXIT_NOT_IMPLEMENTED(rack->ngs == nullptr);
rack->ngs->mutex.Unlock();
return OK;
}
struct Ngs2VoiceCallbackInfo {
uintptr_t data, voice;
uint32_t flag, reserved;
uintptr_t user;
const void* block_data;
uint32_t size, repeats, attributes, reserved2;
};
static_assert(sizeof(Ngs2VoiceCallbackInfo) == 56);
static_assert(offsetof(Ngs2VoiceCallbackInfo, size) == 40 &&
offsetof(Ngs2VoiceCallbackInfo, repeats) == 44 &&
offsetof(Ngs2VoiceCallbackInfo, attributes) == 48);
static bool Ngs2FinishBlock(Ngs2VoiceInternal& voice) {
const auto generation = voice.source_generation;
auto& block = voice.blocks.front();
const bool repeat = block.info.num_repeats != 0;
voice.waveform_end = voice.WaveformData();
if (repeat) {
if (block.info.num_repeats != UINT32_MAX) {
--block.info.num_repeats;
}
++block.repeated_count;
block.cursor = 0;
if (voice.decoder != nullptr) {
block.data_cursor = 0;
voice.compressed_input.clear();
voice.decoder->Reset();
}
}
const Ngs2VoiceCallbackInfo info {voice.callback_data,
reinterpret_cast<uintptr_t>(&voice),
repeat ? 2u : 1u,
0,
block.info.user_data,
block.data,
static_cast<uint32_t>(block.info.data_size),
block.repeated_count,
0,
0};
if (!repeat) {
voice.blocks.pop_front();
}
if (voice.callback != 0 && (voice.callback_flags & info.flag) != 0) {
reinterpret_cast<void KYTY_SYSV_ABI (*)(const Ngs2VoiceCallbackInfo*)>(voice.callback)(
&info);
}
return voice.source_generation == generation;
}
static bool Ngs2DecodePcmFrame(Ngs2VoiceInternal& voice, std::vector<float>& frame,
uint32_t& frame_samples) {
// PCM has no encoded frame size. Use one system grain as a bounded staging
// quantum, keeping source decoding separate from resampled output consumption.
const auto quantum = std::max(voice.rack->ngs->option.num_grain_samples, 1u);
frame.resize(size_t(quantum) * voice.channels);
frame_samples = 0;
while (voice.state == Ngs2VoicePlayState::Playing && !voice.blocks.empty() &&
frame_samples < quantum) {
auto& block = voice.blocks.front();
const auto count = std::min(quantum - frame_samples, block.info.num_samples - block.cursor);
const auto* pcm = reinterpret_cast<const int16_t*>(voice.WaveformData());
for (size_t i = 0; i < size_t(count) * voice.channels; ++i) {
frame[size_t(frame_samples) * voice.channels + i] = pcm[i] / 32768.0f;
}
block.cursor += count;
frame_samples += count;
voice.decoded_samples += count;
voice.decoded_bytes += size_t(count) * voice.channels * sizeof(int16_t);
if (block.cursor == block.info.num_samples && !Ngs2FinishBlock(voice)) {
return false;
}
}
return frame_samples != 0;
}
static bool Ngs2DecodeFrame(Ngs2VoiceInternal& voice, std::vector<float>& frame,
uint32_t& frame_samples) {
if (voice.decoder == nullptr) {
return Ngs2DecodePcmFrame(voice, frame, frame_samples);
}
frame_samples = 0;
while (voice.state == Ngs2VoicePlayState::Playing && !voice.blocks.empty()) {
auto& block = voice.blocks.front();
if (block.info.num_samples != 0 && block.data_cursor == 0) {
voice.duration_remaining = block.info.num_samples;
voice.skip_remaining = block.info.num_skip_samples;
}
if (voice.duration_remaining == 0) {
if (!Ngs2FinishBlock(voice)) {
return false;
}
continue;
}
const auto skip =
std::min(voice.skip_remaining,
static_cast<uint32_t>(frame.size() / voice.channels));
Ajm::AjmGaplessState gapless;
gapless.Set({voice.duration_remaining, static_cast<uint16_t>(skip), 0}, true);
if (!voice.compressed_input.empty()) {
Ajm::AjmSidebandDecAt9CodecInfo info {};
voice.decoder->WriteCodecInfo(&info, sizeof(info), {});
EXIT_NOT_IMPLEMENTED(info.next_frame_size < voice.compressed_input.size());
const auto bytes =
std::min<size_t>(info.next_frame_size - voice.compressed_input.size(),
block.info.data_size - block.data_cursor);
voice.compressed_input.insert(voice.compressed_input.end(),
block.data + block.data_cursor,
block.data + block.data_cursor + bytes);
block.data_cursor += bytes;
voice.decoded_bytes += bytes;
if (voice.compressed_input.size() < info.next_frame_size) {
if (!Ngs2FinishBlock(voice)) {
return false;
}
continue;
}
}
const bool pending = !voice.compressed_input.empty();
const auto result = voice.decoder->Decode(
pending ? voice.compressed_input.data() : block.data + block.data_cursor,
pending ? voice.compressed_input.size() : block.info.data_size - block.data_cursor,
frame.data(), frame.size() * sizeof(float), false,
&gapless);
if (!pending && result.result == Ajm::AJM_RESULT_PARTIAL_INPUT &&
result.input_consumed == 0) {
voice.compressed_input.insert(voice.compressed_input.end(),
block.data + block.data_cursor,
block.data + block.info.data_size);
voice.decoded_bytes += block.info.data_size - block.data_cursor;
block.data_cursor = block.info.data_size;
if (!Ngs2FinishBlock(voice)) {
return false;
}
continue;
}
EXIT_NOT_IMPLEMENTED(result.result != OK || result.input_consumed == 0);
if (pending) {
voice.compressed_input.erase(voice.compressed_input.begin(),
voice.compressed_input.begin() + result.input_consumed);
} else {
block.data_cursor += result.input_consumed;
voice.decoded_bytes += result.input_consumed;
}
voice.skip_remaining -= skip - gapless.current.skip_samples;
const auto decoded_samples =
static_cast<uint32_t>(result.output_written / (sizeof(float) * voice.channels));
if (decoded_samples != 0) {
EXIT_NOT_IMPLEMENTED(decoded_samples > voice.duration_remaining);
frame_samples = decoded_samples;
voice.duration_remaining -= decoded_samples;
voice.decoded_samples += decoded_samples;
}
if (voice.duration_remaining == 0 ||
(block.data_cursor == block.info.data_size && voice.compressed_input.empty())) {
if (voice.duration_remaining == 0) {
voice.compressed_input.clear();
}
if (!Ngs2FinishBlock(voice)) {
return false;
}
}
if (decoded_samples != 0) {
return true;
}
}
return false;
}
static bool Ngs2CurrentFrame(Ngs2VoiceInternal& voice) {
if (voice.frame_cursor == voice.frame_samples) {
voice.frame_cursor = 0;
voice.frame_samples = 0;
if (voice.next_frame_samples != 0) {
std::swap(voice.decoded_frame, voice.next_decoded_frame);
voice.frame_samples = voice.next_frame_samples;
voice.next_frame_samples = 0;
} else if (!Ngs2DecodeFrame(voice, voice.decoded_frame, voice.frame_samples)) {
return false;
}
}
return voice.state == Ngs2VoicePlayState::Playing &&
voice.frame_cursor < voice.frame_samples;
}
static void Ngs2AdvanceSamples(Ngs2VoiceInternal& voice) {
const auto output_rate = uint64_t(voice.rack->ngs->option.sample_rate) << 32u;
while (voice.state == Ngs2VoicePlayState::Playing && voice.sample_phase >= output_rate) {
if (!Ngs2CurrentFrame(voice)) {
break;
}
const auto advance = std::min(voice.sample_phase / output_rate,
uint64_t(voice.frame_samples - voice.frame_cursor));
voice.frame_cursor += static_cast<uint32_t>(advance);
voice.sample_phase -= advance * output_rate;
}
if (voice.blocks.empty() && voice.frame_cursor == voice.frame_samples &&
voice.next_frame_samples == 0 && !voice.accepts_blocks) {
voice.sample_phase = 0;
}
}
static void Ngs2ConsumeSamples(Ngs2VoiceInternal& voice, uint32_t grain) {
const auto generation = voice.source_generation;
uint32_t output = 0;
const auto output_rate = uint64_t(voice.rack->ngs->option.sample_rate) << 32u;
while (voice.state == Ngs2VoicePlayState::Playing && output < grain &&
(!voice.blocks.empty() || voice.frame_cursor < voice.frame_samples ||
voice.next_frame_samples != 0)) {
Ngs2AdvanceSamples(voice);
if (voice.source_generation != generation || !Ngs2CurrentFrame(voice)) {
break;
}
if (voice.frame_cursor + 1 == voice.frame_samples && voice.sample_phase != 0) {
if (voice.next_frame_samples == 0 && !voice.blocks.empty()) {
if (voice.next_decoded_frame.empty()) {
voice.next_decoded_frame.resize(voice.decoded_frame.size());
}
Ngs2DecodeFrame(voice, voice.next_decoded_frame, voice.next_frame_samples);
}
if (voice.source_generation != generation ||
voice.state != Ngs2VoicePlayState::Playing ||
voice.frame_cursor >= voice.frame_samples) {
break;
}
}
const float* current = voice.decoded_frame.data() + voice.frame_cursor * voice.channels;
const float* next = voice.frame_cursor + 1 < voice.frame_samples
? current + voice.channels
: voice.next_frame_samples != 0 ? voice.next_decoded_frame.data()
: current;
const float fraction = static_cast<float>(voice.sample_phase) /
static_cast<float>(output_rate);
for (uint32_t c = 0; c < voice.channels; ++c) {
voice.samples[c * grain + output] = std::lerp(current[c], next[c], fraction);
}
voice.sample_phase += voice.sample_step;
++output;
}
if (voice.source_generation == generation) {
Ngs2AdvanceSamples(voice);
}
if (voice.source_generation != generation) {
// A callback replaced the source, possibly changing its channel layout.
voice.samples.assign(size_t(grain) * voice.channels, 0.0f);
output = 0;
}
voice.has_samples = output != 0;
}
static void Ngs2RenderVoice(Ngs2VoiceInternal& voice, const std::vector<Ngs2VoiceInternal*>& voices,
uint32_t grain) {
if (voice.rendered) {
return;
}
if (voice.channels == 0) {
voice.has_samples = false;
voice.rendered = true;
return;
}
EXIT_NOT_IMPLEMENTED(voice.rendering);
voice.rendering = true;
voice.samples.assign(grain * voice.channels, 0.0f);
voice.has_samples = false;
if (voice.state == Ngs2VoicePlayState::Playing) {
if (voice.rack->type == Ngs2RackType::Sampler ||
voice.rack->type == Ngs2RackType::CustomSampler) {
Ngs2ConsumeSamples(voice, grain);
// A playing stream can have no source data but still have a filter tail.
for (auto& filter: voice.filters) {
if (voice.has_samples || filter.HasHistory()) {
filter.Process(voice.samples, voice.channels, grain);
voice.has_samples = true;
}
}
if (voice.state == Ngs2VoicePlayState::Playing && voice.blocks.empty() &&
voice.frame_cursor == voice.frame_samples &&
voice.next_frame_samples == 0 &&
!voice.accepts_blocks &&
std::ranges::none_of(voice.filters,
[](const auto& filter) { return filter.HasHistory(); })) {
voice.state = Ngs2VoicePlayState::Empty;
}
}
for (auto* source: voices) {
for (const auto& port: source->ports) {
if (port.dest != &voice || port.volume == 0.0f) {
continue;
}
Ngs2RenderVoice(*source, voices, grain);
if (!source->has_samples) {
continue;
}
EXIT_NOT_IMPLEMENTED(port.input != 0);
const auto* matrix = port.matrix < 0 ? nullptr : &source->matrices.at(port.matrix);
const size_t output_channels =
matrix == nullptr
? voice.channels
: std::min<size_t>(voice.channels, matrix->size() / source->channels);
for (size_t dst = 0; dst < output_channels; ++dst) {
for (uint32_t src = 0; src < source->channels; ++src) {
const float level =
port.volume * (matrix == nullptr
? (src == dst ? 1.0f : 0.0f)
: (*matrix)[dst * source->channels + src]);
for (uint32_t i = 0; i < grain; ++i) {
voice.samples[dst * grain + i] +=
source->samples[src * grain + i] * level;
}
}
}
voice.has_samples = true;
}
}
if (voice.has_samples) {
const auto& custom = voice.rack->option.custom_sampler.custom_rack_option;
for (size_t m = 0; m < voice.modules.size(); ++m) {
if (custom.module[m].module_id != 0x1f) {
if (!voice.modules[m].render_warned) {
Log::WriteToConsoleAndLog(fmt::sprintf(
"warning: NGS2 custom module 0x%02x at index %zu is ignored during render\n",
custom.module[m].module_id, m));
voice.modules[m].render_warned = true;
}
continue;
}
EXIT_NOT_IMPLEMENTED(custom.module[m].source_buffer_id != 0 ||
custom.module[m].dest_buffer_id != 0);
auto& module = voice.modules[m];
const auto& fx = voice.rack->fx[m];
std::vector<float*> channels(voice.channels);
for (uint32_t c = 0; c < voice.channels; ++c) {
channels[c] = voice.samples.data() + c * grain;
}
Ngs2UserFxProcessContext context {channels.data(),
voice.rack->common[m].data(),
module.param.data(),
module.work.data(),
module.state.data(),
fx.user_data,
module.flags,
voice.channels,
voice.channels,
grain,
voice.rack->ngs->option.sample_rate};
EXIT_NOT_IMPLEMENTED(fx.process(&context) != OK);
module.flags = 0;
}
}
}
voice.rendering = false;
voice.rendered = true;
}
int KYTY_SYSV_ABI Ngs2SystemRender(uintptr_t system_handle, const Ngs2RenderBufferInfo* buffer_info,
uint32_t num_buffer_info) {
EXIT_NOT_IMPLEMENTED(buffer_info == nullptr || system_handle == 0 || num_buffer_info == 0);
auto* ngs = reinterpret_cast<Ngs2Internal*>(system_handle);
Common::LockGuard lock(ngs->mutex);
std::vector<std::vector<float>> output_mix(num_buffer_info);
std::vector<Ngs2VoiceInternal*> voices;
{
Common::LockGuard racks_lock(g_racks_mutex);
for (auto* rack = g_racks_list; rack != nullptr; rack = rack->next) {
if (rack->ngs != ngs) {
continue;
}
auto* items = reinterpret_cast<Ngs2VoiceInternal*>(rack + 1);
for (uint32_t i = 0; i < rack->option.common.max_voices; ++i) {
items[i].rendered = false;
voices.push_back(items + i);
}
}
}
for (uint32_t i = 0; i < num_buffer_info; ++i) {
if (buffer_info[i].buffer != nullptr && buffer_info[i].buffer_size != 0) {
std::memset(buffer_info[i].buffer, 0, buffer_info[i].buffer_size);
}
}
const auto grain = ngs->option.num_grain_samples;
for (auto* voice: voices) {
Ngs2RenderVoice(*voice, voices, grain);
if (voice->rack->type != Ngs2RackType::Mastering || !voice->has_samples) {
continue;
}
EXIT_NOT_IMPLEMENTED(voice->output_id >= num_buffer_info);
const auto& output = buffer_info[voice->output_id];
EXIT_NOT_IMPLEMENTED(output.buffer == nullptr);
EXIT_NOT_IMPLEMENTED((output.waveform_type != 0x12 && output.waveform_type != 0x18) ||
output.num_channels != voice->channels);
EXIT_NOT_IMPLEMENTED(output.buffer_size < grain * output.num_channels *
(output.waveform_type == 0x12 ? sizeof(int16_t)
: sizeof(float)));
float* pcm = nullptr;
if (output.waveform_type == 0x12) {
auto& mix = output_mix[voice->output_id];
if (mix.empty()) {
mix.resize(grain * output.num_channels);
}
pcm = mix.data();
} else {
pcm = static_cast<float*>(output.buffer);
}
for (uint32_t dst = 0; dst < output.num_channels; ++dst) {
for (uint32_t src = 0; src < voice->channels; ++src) {
const float level = voice->output_matrix.empty()
? (src == dst ? 1.0f : 0.0f)
: voice->output_matrix.at(src * output.num_channels + dst);
for (uint32_t i = 0; i < grain; ++i) {
pcm[i * output.num_channels + dst] += voice->samples[src * grain + i] * level;
}
}
}
}
for (uint32_t i = 0; i < num_buffer_info; ++i) {
const auto& mix = output_mix[i];
if (mix.empty()) {
continue;
}
auto* pcm = static_cast<int16_t*>(buffer_info[i].buffer);
for (size_t sample = 0; sample < mix.size(); ++sample) {
pcm[sample] = static_cast<int16_t>(std::clamp(
std::lrintf(std::clamp(mix[sample], -1.0f, 1.0f) * 32768.0f), -32768l,
32767l));
}
}
for (auto* voice: voices) {
// No envelope is configured, so a release stop finishes in this render.
if (voice->state == Ngs2VoicePlayState::Stopped) {
voice->state = Ngs2VoicePlayState::Empty;
}
voice->state_flags = static_cast<uint32_t>(voice->state);
}
++ngs->render_count;
return OK;
}
static uint16_t Ngs2ReadLe16(const uint8_t* data) {
return static_cast<uint16_t>(data[0]) | (static_cast<uint16_t>(data[1]) << 8u);
}
static uint32_t Ngs2ReadLe32(const uint8_t* data) {
return static_cast<uint32_t>(data[0]) | (static_cast<uint32_t>(data[1]) << 8u) |
(static_cast<uint32_t>(data[2]) << 16u) | (static_cast<uint32_t>(data[3]) << 24u);
}
static bool Ngs2FourCcEquals(const uint8_t* data, const char* four_cc) {
return std::memcmp(data, four_cc, 4) == 0;
}
static bool Ngs2GetAtrac9CodecInfo(const std::array<uint8_t, ATRAC9_CONFIG_DATA_SIZE>& config,
Atrac9CodecInfo& codec) {
void* decoder = Atrac9GetHandle();
const bool valid = decoder != nullptr && Ajm::AjmAt9InitDecoder(decoder, config.data()) == 0 &&
Atrac9GetCodecInfo(decoder, &codec) == 0 && codec.channels > 0 &&
codec.samplingRate > 0 && codec.superframeSize > 0 &&
codec.framesInSuperframe > 0 && codec.frameSamples > 0 &&
codec.superframeSize % codec.framesInSuperframe == 0;
if (decoder != nullptr) {
Atrac9ReleaseHandle(decoder);
}
return valid;
}
static int Ngs2ParseAtrac9Riff(const void* data, size_t data_size, Ngs2WaveformInfo* info) {
static constexpr uint8_t ATRAC9_GUID[16] = {0xd2, 0x42, 0xe1, 0x47, 0xba, 0x36,
0x8d, 0x4d, 0x88, 0xfc, 0x61, 0x65,
0x4f, 0x8c, 0x83, 0x6c};
const auto* bytes = static_cast<const uint8_t*>(data);
if (bytes == nullptr || data_size < 12) {
return NGS2_ERROR_INVALID_WAVEFORM_DATA;
}
if (!Ngs2FourCcEquals(bytes, "RIFF") || !Ngs2FourCcEquals(bytes + 8, "WAVE")) {
return NGS2_ERROR_UNKNOWN_WAVEFORM_FORMAT;
}
const uint64_t riff_end64 = 8ull + Ngs2ReadLe32(bytes + 4);
if (riff_end64 < 12) {
return NGS2_ERROR_INVALID_WAVEFORM_DATA;
}
const auto riff_end = static_cast<size_t>(riff_end64);
const uint8_t* format = nullptr;
const uint8_t* fact = nullptr;
size_t waveform_offset = 0;
uint32_t waveform_size = 0;
for (size_t offset = 12; offset + 8 <= std::min(riff_end, data_size);) {
const auto* chunk = bytes + offset;
const auto chunk_size = static_cast<size_t>(Ngs2ReadLe32(chunk + 4));
const auto payload = offset + 8;
const auto is_data = Ngs2FourCcEquals(chunk, "data");
const uint64_t next = static_cast<uint64_t>(payload) + chunk_size + (chunk_size & 1u);
if (next > riff_end || (next > data_size && !is_data)) {
return NGS2_ERROR_INVALID_WAVEFORM_DATA;
}
if (Ngs2FourCcEquals(chunk, "fmt ")) {
if (chunk_size < 52) {
return NGS2_ERROR_INVALID_WAVEFORM_FORMAT;
}
format = bytes + payload;
} else if (Ngs2FourCcEquals(chunk, "fact")) {
if (chunk_size < 12) {
return NGS2_ERROR_INVALID_WAVEFORM_FORMAT;
}
fact = bytes + payload;
} else if (is_data) {
if (payload > std::numeric_limits<uint32_t>::max()) {
return NGS2_ERROR_INVALID_WAVEFORM_DATA;
}
waveform_offset = payload;
waveform_size = static_cast<uint32_t>(chunk_size);
}
if (next > data_size) {
break;
}
offset = static_cast<size_t>(next);
}
if (format == nullptr || fact == nullptr || waveform_offset == 0) {
return NGS2_ERROR_INVALID_WAVEFORM_FORMAT;
}
if (Ngs2ReadLe16(format) != 0xfffe ||
std::memcmp(format + 24, ATRAC9_GUID, sizeof(ATRAC9_GUID)) != 0) {
return NGS2_ERROR_UNKNOWN_WAVEFORM_FORMAT;
}
std::array<uint8_t, ATRAC9_CONFIG_DATA_SIZE> config {};
std::memcpy(config.data(), format + 44, config.size());
Atrac9CodecInfo codec {};
const bool valid_codec = Ngs2GetAtrac9CodecInfo(config, codec);
const uint64_t frame_samples =
static_cast<uint64_t>(codec.frameSamples) * static_cast<uint64_t>(codec.framesInSuperframe);
if (!valid_codec || codec.channels != Ngs2ReadLe16(format + 2) ||
codec.samplingRate != static_cast<int>(Ngs2ReadLe32(format + 4)) ||
codec.superframeSize != Ngs2ReadLe16(format + 12) ||
frame_samples != Ngs2ReadLe16(format + 18) ||
frame_samples > std::numeric_limits<uint32_t>::max()) {
return NGS2_ERROR_INVALID_WAVEFORM_FORMAT;
}
info->format.waveform_type = NGS2_WAVEFORM_TYPE_ATRAC9;
info->format.num_channels = static_cast<uint32_t>(codec.channels);
info->format.sample_rate = static_cast<uint32_t>(codec.samplingRate);
info->format.config_data = (static_cast<uint32_t>(config[0]) << 24u) |
(static_cast<uint32_t>(config[1]) << 16u) |
(static_cast<uint32_t>(config[2]) << 8u) | config[3];
info->data_offset = static_cast<uint32_t>(waveform_offset);
info->data_size = waveform_size;
info->num_samples = Ngs2ReadLe32(fact);
info->audio_unit_size = static_cast<uint32_t>(codec.superframeSize /
codec.framesInSuperframe);
info->num_audio_unit_samples = static_cast<uint32_t>(codec.frameSamples);
info->num_audio_unit_per_frame = static_cast<uint32_t>(codec.framesInSuperframe);
info->audio_frame_size = static_cast<uint32_t>(codec.superframeSize);
info->num_audio_frame_samples = static_cast<uint32_t>(frame_samples);
info->num_delay_samples = Ngs2ReadLe32(fact + 4);
info->num_blocks = 1;
info->blocks[0].data_offset = waveform_offset;
info->blocks[0].data_size = waveform_size;
info->blocks[0].num_skip_samples = Ngs2ReadLe32(fact + 8);
info->blocks[0].num_samples = info->num_samples;
return OK;
}
int KYTY_SYSV_ABI Ngs2ParseWaveformData(const void* data, size_t data_size,
Ngs2WaveformInfo* info) {
PRINT_NAME();
LOGF("\t data = 0x%016" PRIx64 ", data_size = 0x%016" PRIx64 "\n",
reinterpret_cast<uint64_t>(data), static_cast<uint64_t>(data_size));
if (info == nullptr) {
return NGS2_ERROR_INVALID_OUT_ADDRESS;
}
std::memset(info, 0, sizeof(Ngs2WaveformInfo));
return Ngs2ParseAtrac9Riff(data, data_size, info);
}
int KYTY_SYSV_ABI Ngs2CalcWaveformBlock(const Ngs2WaveformFormat* format, uint32_t sample_pos,
uint32_t num_samples, Ngs2WaveformBlock* block) {
PRINT_NAME();
LOGF("\t format = 0x%016" PRIx64 ", sample_pos = %" PRIu32 ", num_samples = %" PRIu32 "\n",
reinterpret_cast<uint64_t>(format), sample_pos, num_samples);
EXIT_NOT_IMPLEMENTED(block == nullptr);
std::memset(block, 0, sizeof(Ngs2WaveformBlock));
if (format == nullptr || format->num_channels == 0 || format->num_channels > 8 ||
format->sample_rate == 0 || format->sample_rate > 192000) {
return NGS2_ERROR_INVALID_WAVEFORM_FORMAT;
}
if (format->waveform_type == NGS2_WAVEFORM_TYPE_ATRAC9) {
std::array<uint8_t, ATRAC9_CONFIG_DATA_SIZE> config {
static_cast<uint8_t>(format->config_data >> 24u),
static_cast<uint8_t>(format->config_data >> 16u),
static_cast<uint8_t>(format->config_data >> 8u),
static_cast<uint8_t>(format->config_data)};
Atrac9CodecInfo codec {};
if (!Ngs2GetAtrac9CodecInfo(config, codec) ||
codec.channels != format->num_channels || codec.samplingRate != format->sample_rate) {
return NGS2_ERROR_INVALID_WAVEFORM_FORMAT;
}
const uint64_t frame_samples = uint64_t(codec.frameSamples) * codec.framesInSuperframe;
const uint64_t skip = sample_pos % frame_samples;
block->data_offset = uint64_t(sample_pos / frame_samples) * codec.superframeSize;
block->data_size = num_samples == 0
? 0
: ((skip + num_samples + frame_samples - 1) / frame_samples) *
codec.superframeSize;
block->num_skip_samples = num_samples == 0 ? 0 : static_cast<uint32_t>(skip);
} else {
return NGS2_ERROR_UNKNOWN_WAVEFORM_FORMAT;
}
block->num_samples = num_samples;
return OK;
}
int KYTY_SYSV_ABI Ngs2PanInit(Ngs2PanWork* work, const float* speaker_angles, float unit_angle,
uint32_t num_speakers) {
PRINT_NAME();
LOGF("\t work = 0x%016" PRIx64 ", num_speakers = %" PRIu32 "\n",
reinterpret_cast<uint64_t>(work), num_speakers);
EXIT_NOT_IMPLEMENTED(work == nullptr);
std::memset(work, 0, sizeof(Ngs2PanWork));
work->unit_angle = unit_angle;
work->num_speakers = std::min<uint32_t>(num_speakers, 8);
if (speaker_angles != nullptr) {
for (uint32_t i = 0; i < work->num_speakers; i++) {
work->speaker_angles[i] = speaker_angles[i];
}
}
return OK;
}
int KYTY_SYSV_ABI Ngs2PanGetVolumeMatrix(Ngs2PanWork* work, const Ngs2PanParam* params,
uint32_t num_params, uint32_t matrix_format,
float* out_volume_matrix) {
PRINT_NAME();
LOGF("\t work = 0x%016" PRIx64 ", params = 0x%016" PRIx64 ", num_params = %" PRIu32
", matrix_format = %" PRIu32 "\n",
reinterpret_cast<uint64_t>(work), reinterpret_cast<uint64_t>(params), num_params,
matrix_format);
EXIT_NOT_IMPLEMENTED(out_volume_matrix == nullptr && num_params != 0);
const auto channels = (matrix_format == 0 ? 2u : std::min<uint32_t>(matrix_format, 8));
for (uint32_t p = 0; p < num_params; p++) {
for (uint32_t c = 0; c < channels; c++) {
out_volume_matrix[p * channels + c] = (c == 0 ? 1.0f : 0.0f);
}
}
return OK;
}
int KYTY_SYSV_ABI Ngs2GeomResetListenerParam(Ngs2GeomListenerParam* out_listener_param) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(out_listener_param == nullptr);
std::memset(out_listener_param, 0, sizeof(Ngs2GeomListenerParam));
out_listener_param->orient_front.z = 1.0f;
out_listener_param->orient_up.y = 1.0f;
out_listener_param->sound_speed = 343.0f;
return OK;
}
int KYTY_SYSV_ABI Ngs2GeomResetSourceParam(Ngs2GeomSourceParam* out_source_param) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(out_source_param == nullptr);
std::memset(out_source_param, 0, sizeof(Ngs2GeomSourceParam));
out_source_param->direction.z = 1.0f;
out_source_param->cone.inner_level = 1.0f;
out_source_param->cone.inner_angle = 360.0f;
out_source_param->cone.outer_level = 1.0f;
out_source_param->cone.outer_angle = 360.0f;
out_source_param->rolloff.model = 0;
out_source_param->rolloff.max_distance = 1000000.0f;
out_source_param->rolloff.rolloff_factor = 1.0f;
out_source_param->rolloff.reference_distance = 1.0f;
out_source_param->doppler_factor = 1.0f;
out_source_param->fbw_level = 1.0f;
out_source_param->lfe_level = 1.0f;
out_source_param->max_level = 1.0f;
out_source_param->min_level = 0.0f;
out_source_param->num_speakers = 2;
out_source_param->matrix_format = 2;
return OK;
}
int KYTY_SYSV_ABI Ngs2GeomCalcListener(const Ngs2GeomListenerParam* param,
Ngs2GeomListenerWork* out_work, uint32_t flags) {
PRINT_NAME();
LOGF("\t flags = 0x%08" PRIx32 "\n", flags);
EXIT_NOT_IMPLEMENTED(param == nullptr);
EXIT_NOT_IMPLEMENTED(out_work == nullptr);
std::memset(out_work, 0, sizeof(Ngs2GeomListenerWork));
for (uint32_t i = 0; i < 4; i++) {
out_work->matrix[i][i] = 1.0f;
}
out_work->velocity = param->velocity;
out_work->sound_speed = (param->sound_speed > 0.0f ? param->sound_speed : 343.0f);
out_work->coordinate = flags & 0x1u;
return OK;
}
int KYTY_SYSV_ABI Ngs2GeomApply(const Ngs2GeomListenerWork* listener,
const Ngs2GeomSourceParam* source, Ngs2GeomAttribute* out_attrib,
uint32_t flags) {
PRINT_NAME();
LOGF("\t flags = 0x%08" PRIx32 "\n", flags);
EXIT_NOT_IMPLEMENTED(listener == nullptr);
EXIT_NOT_IMPLEMENTED(source == nullptr);
EXIT_NOT_IMPLEMENTED(out_attrib == nullptr);
std::memset(out_attrib, 0, sizeof(Ngs2GeomAttribute));
out_attrib->pitch_ratio = 1.0f;
out_attrib->a3d_attrib.position = source->position;
out_attrib->a3d_attrib.volume = std::max(source->min_level, source->max_level);
const auto channels =
std::min<uint32_t>((source->matrix_format == 0 ? 2u : source->matrix_format), 8);
const auto level = (source->max_level > 0.0f ? source->max_level : 1.0f);
for (uint32_t ch = 0; ch < channels; ch++) {
out_attrib->level[ch * 8 + ch] = level;
}
return OK;
}
int KYTY_SYSV_ABI Ngs2RackGetVoiceHandle(uintptr_t rack_handle, uint32_t voice_id,
uintptr_t* handle) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(handle == nullptr);
EXIT_NOT_IMPLEMENTED(rack_handle == 0);
LOGF("\t voice_id = %u\n", voice_id);
auto* rack = reinterpret_cast<Ngs2RackInternal*>(rack_handle);
auto* voices = reinterpret_cast<Ngs2VoiceInternal*>(rack_handle + sizeof(Ngs2RackInternal));
if (voice_id >= rack->option.common.max_voices) {
LOGF("\t warning: voice_id %u >= max_voices %u, using last available stub voice\n",
voice_id, rack->option.common.max_voices);
if (rack->option.common.max_voices == 0) {
return -1;
}
voice_id = rack->option.common.max_voices - 1;
}
EXIT_IF(voices[voice_id].rack != rack);
*handle = reinterpret_cast<uintptr_t>(voices + voice_id);
return OK;
}
// NOLINTNEXTLINE(readability-function-cognitive-complexity)
int KYTY_SYSV_ABI Ngs2VoiceControl(uintptr_t voice_handle, const Ngs2VoiceParamHeader* param_list) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(param_list == nullptr);
EXIT_NOT_IMPLEMENTED(voice_handle == 0);
auto* voice = reinterpret_cast<Ngs2VoiceInternal*>(voice_handle);
Common::LockGuard lock(voice->rack->ngs->mutex);
const auto* param = param_list;
for (;;) {
LOGF("\t id = 0x%08" PRIx32 "\n"
"\t size = %" PRIu16 "\n"
"\t next = %" PRId16 "\n",
param->id, param->size, param->next);
auto rack_id = param->id >> 16u;
EXIT_NOT_IMPLEMENTED(((param->id >> 15u) & 0x1u) != 0);
switch (rack_id) {
case 0x0000: {
auto cid = param->id & 0x7fffu;
switch (cid) {
case 0x0001: {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoiceMatrixLevelsParam));
const auto* ml = reinterpret_cast<const Ngs2VoiceMatrixLevelsParam*>(param);
voice->SetMatrix(ml->matrix_id, ml->levels, ml->num_levels);
LOGF("\t matrix_id = %u\n"
"\t num_levels = %u\n"
"\t levels = 0x%016" PRIx64 "\n",
ml->matrix_id, ml->num_levels, reinterpret_cast<uint64_t>(ml->levels));
break;
}
case 0x0002: {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoicePortVolumeParam));
const auto* volume =
reinterpret_cast<const Ngs2VoicePortVolumeParam*>(param);
voice->SetVolume(volume->port, volume->level);
LOGF("\t port = %u\n"
"\t level = %f\n",
volume->port, volume->level);
break;
}
case 0x0003: {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoicePortMatrixParam));
const auto* pm = reinterpret_cast<const Ngs2VoicePortMatrixParam*>(param);
voice->SetPortMatrix(pm->port, pm->matrix_id);
LOGF("\t port = %u\n"
"\t matrix_id = %d\n",
pm->port, pm->matrix_id);
break;
}
case 0x0004: {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoicePortDelayParam));
const auto* delay = reinterpret_cast<const Ngs2VoicePortDelayParam*>(param);
LOGF("\t port = %u\n"
"\t num_samples = %u\n",
delay->port, delay->num_samples);
break;
}
case 0x0005: {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoicePatchParam));
const auto* patch = reinterpret_cast<const Ngs2VoicePatchParam*>(param);
EXIT_NOT_IMPLEMENTED(patch->port >= voice->ports.size());
voice->ports[patch->port].dest =
reinterpret_cast<Ngs2VoiceInternal*>(patch->dest_handle);
voice->ports[patch->port].input = patch->dest_input_id;
LOGF("\t connect->port = %u\n"
"\t connect->dest_input_id = %u\n"
"\t connect->dest_handle = 0x%016" PRIx64 "\n",
patch->port, patch->dest_input_id, patch->dest_handle);
break;
}
case 0x0006: {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoiceEventParam));
const auto* event = reinterpret_cast<const Ngs2VoiceEventParam*>(param);
voice->SetEvent(event->event_id);
LOGF("\t event = %u\n", event->event_id);
break;
}
case 0x0007: {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoiceCallbackParam));
const auto* callback =
reinterpret_cast<const Ngs2VoiceCallbackParam*>(param);
voice->callback = callback->callback;
voice->callback_data = callback->callback_data;
voice->callback_flags = callback->flags;
LOGF("\t callback = 0x%016" PRIx64 "\n"
"\t callback_data = 0x%016" PRIx64 "\n"
"\t flags = 0x%08" PRIx32 "\n",
static_cast<uint64_t>(voice->callback),
static_cast<uint64_t>(voice->callback_data), voice->callback_flags);
break;
}
default: EXIT("unknown id: 0x%04" PRIx32 "\n", cid);
}
break;
}
case 0x2000: {
EXIT_NOT_IMPLEMENTED(voice->rack->type != Ngs2RackType::Submixer);
if ((param->id & 0xffffu) == 0) {
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2SubmixerVoiceSetupParam));
const auto& setup =
*reinterpret_cast<const Ngs2SubmixerVoiceSetupParam*>(param);
EXIT_NOT_IMPLEMENTED(
setup.num_io_channels == 0 ||
setup.num_io_channels > voice->rack->option.submixer.max_channels ||
setup.flags != 0);
voice->ResetSetupState();
voice->channels = setup.num_io_channels;
}
break;
}
case 0x2001: EXIT_NOT_IMPLEMENTED(voice->rack->type != Ngs2RackType::Reverb); break;
case 0x3000: {
EXIT_NOT_IMPLEMENTED(voice->rack->type != Ngs2RackType::Mastering);
const auto* values = reinterpret_cast<const uint32_t*>(param + 1);
switch (param->id & 0xffffu) {
case 0: voice->channels = values[0]; break;
case 1: {
const auto* matrix =
reinterpret_cast<const Ngs2VoiceMatrixLevelsParam*>(param);
EXIT_NOT_IMPLEMENTED(matrix->matrix_id != 5);
voice->output_matrix.assign(matrix->levels,
matrix->levels + matrix->num_levels);
break;
}
case 5: voice->output_id = values[0]; break;
default: EXIT("unsupported mastering control: 0x%08" PRIx32 "\n", param->id);
}
break;
}
case 0x4000: {
EXIT_NOT_IMPLEMENTED(!Ngs2RackIsCustom(voice->rack->type));
const auto index = param->id & 0x1fu;
EXIT_NOT_IMPLEMENTED(index >= voice->modules.size());
if ((param->id & 0xffffffe0u) != 0x40001f00u ||
voice->rack->option.custom_sampler.custom_rack_option.module[index].module_id !=
0x1f) {
if (!voice->modules[index].control_warned) {
Log::WriteToConsoleAndLog(fmt::sprintf(
"warning: NGS2 custom control 0x%08" PRIx32 " is ignored\n",
param->id));
voice->modules[index].control_warned = true;
}
break;
}
struct FxParam {
Ngs2VoiceParamHeader header;
const void* data;
size_t size;
};
const auto& fx = *reinterpret_cast<const FxParam*>(param);
auto& module = voice->modules[index];
EXIT_NOT_IMPLEMENTED(voice->rack->fx[index].control != 0 ||
fx.size != module.param.size());
std::memcpy(module.param.data(), fx.data, fx.size);
module.flags |= 2;
break;
}
case 0x1000:
case 0x4001: {
EXIT_NOT_IMPLEMENTED(
voice->rack->type !=
(rack_id == 0x1000 ? Ngs2RackType::Sampler : Ngs2RackType::CustomSampler));
switch (param->id & 0xffffu) {
case 0: {
const auto& format =
*reinterpret_cast<const Ngs2WaveformFormat*>(param + 1);
voice->SetupSampler(format);
break;
}
case 1: {
struct BlocksParam {
Ngs2VoiceParamHeader header;
const uint8_t* data;
uint32_t flags, count;
const Ngs2WaveformBlock* blocks;
};
const auto& blocks = *reinterpret_cast<const BlocksParam*>(param);
const auto result = voice->AddWaveformBlocks(
blocks.data, blocks.flags, blocks.count, blocks.blocks);
if (result != OK) {
return result;
}
break;
}
case 4: {
EXIT_NOT_IMPLEMENTED(voice->rack->type != Ngs2RackType::Sampler);
for (auto& block: voice->blocks) {
if (block.info.num_repeats != 0) {
block.info.num_repeats = 0;
break;
}
}
break;
}
case 5: {
const float ratio = *reinterpret_cast<const float*>(param + 1);
EXIT_NOT_IMPLEMENTED(!std::isfinite(ratio));
const float clamped_ratio = std::clamp(ratio, 0.0f, 4.0f);
voice->sample_step = static_cast<uint64_t>(std::llround(
static_cast<double>(voice->sample_rate) * clamped_ratio * 4294967296.0));
break;
}
case 0xa: {
EXIT_NOT_IMPLEMENTED(voice->rack->type != Ngs2RackType::Sampler);
EXIT_NOT_IMPLEMENTED(param->size != sizeof(Ngs2VoiceParamHeader) +
sizeof(Ngs2SamplerFilterParam));
const auto& filter =
*reinterpret_cast<const Ngs2SamplerFilterParam*>(param + 1);
EXIT_NOT_IMPLEMENTED(filter.index >=
voice->rack->option.sampler.max_filters);
if (voice->filters.size() <= filter.index) {
voice->filters.resize(filter.index + 1);
}
voice->filters[filter.index].Configure(
filter, voice->rack->ngs->option.sample_rate, voice->channels);
break;
}
default: EXIT("unsupported sampler control: 0x%08" PRIx32 "\n", param->id);
}
break;
}
case 0x4002: {
EXIT_NOT_IMPLEMENTED(voice->rack->type != Ngs2RackType::CustomSubmixer ||
(param->id & 0xffffu) != 0);
const auto* channels = reinterpret_cast<const uint32_t*>(param + 1);
EXIT_NOT_IMPLEMENTED(channels[0] != channels[1]);
voice->channels = channels[0];
break;
}
case 0x4003:
EXIT_NOT_IMPLEMENTED(voice->rack->type != Ngs2RackType::CustomMastering);
break;
default: EXIT("unknown rack_id: 0x%" PRIx32 "\n", rack_id);
}
if (param->next == 0) {
break;
}
param = reinterpret_cast<const Ngs2VoiceParamHeader*>(reinterpret_cast<uintptr_t>(param) +
param->next);
}
return OK;
}
int KYTY_SYSV_ABI Ngs2VoiceRunCommands(uintptr_t voice_handle, const void* commands,
size_t num_commands) {
struct Command {
uint32_t id;
uint8_t flags, type;
uint16_t count;
union {
uint32_t u;
int32_t i;
float f;
const float* levels;
} value;
};
auto* voice = reinterpret_cast<Ngs2VoiceInternal*>(voice_handle);
Common::LockGuard lock(voice->rack->ngs->mutex);
const auto* params = static_cast<const Command*>(commands);
for (size_t i = 0; i < num_commands; ++i) {
const auto& p = params[i];
const auto index = p.id >> 24;
switch (p.id & 0xffffffu) {
case 2:
EXIT_NOT_IMPLEMENTED(p.type != 4);
voice->SetEvent(p.value.u);
break;
case 5:
EXIT_NOT_IMPLEMENTED(p.type != 0x11);
voice->SetMatrix(index, p.value.levels, p.count);
break;
case 6:
EXIT_NOT_IMPLEMENTED(p.type != 1);
voice->SetVolume(index, p.value.f);
break;
case 7:
EXIT_NOT_IMPLEMENTED(p.type != 3);
voice->SetPortMatrix(index, p.value.i);
break;
default: EXIT("unknown command: 0x%08" PRIx32 "\n", p.id);
}
}
return OK;
}
template <typename State>
static void Ngs2FillSamplerState(const Ngs2VoiceInternal& voice, State& state) {
state.voice_state.state_flags = Ngs2GetStateFlags(&voice);
state.num_decoded_samples = voice.decoded_samples;
state.decoded_data_size = voice.decoded_bytes;
state.waveform_data = voice.WaveformData();
state.user_data = voice.blocks.empty() ? 0 : voice.blocks.front().info.user_data;
}
int KYTY_SYSV_ABI Ngs2VoiceGetState(uintptr_t voice_handle, Ngs2VoiceState* state,
size_t state_size) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(state == nullptr);
EXIT_NOT_IMPLEMENTED(voice_handle == 0);
auto* voice = reinterpret_cast<Ngs2VoiceInternal*>(voice_handle);
Common::LockGuard lock(voice->rack->ngs->mutex);
switch (voice->rack->type) {
case Ngs2RackType::Submixer: {
EXIT_NOT_IMPLEMENTED(state_size != sizeof(Ngs2SubmixerVoiceState));
auto* submixer = reinterpret_cast<Ngs2SubmixerVoiceState*>(state);
*submixer = {};
submixer->voice_state.state_flags = Ngs2GetStateFlags(voice);
break;
}
case Ngs2RackType::CustomMastering: {
const auto configured_size =
voice->rack->option.custom_mastering.custom_rack_option.state_size;
EXIT_NOT_IMPLEMENTED(configured_size < sizeof(Ngs2CustomMasteringVoiceState));
EXIT_NOT_IMPLEMENTED(state_size != configured_size);
std::memset(state, 0, state_size);
auto* mastering = reinterpret_cast<Ngs2CustomMasteringVoiceState*>(state);
mastering->voice_state.state_flags = Ngs2GetStateFlags(voice);
break;
}
case Ngs2RackType::CustomSampler: {
const auto configured_size =
voice->rack->option.custom_sampler.custom_rack_option.state_size;
EXIT_NOT_IMPLEMENTED(configured_size < sizeof(Ngs2CustomSamplerVoiceState));
EXIT_NOT_IMPLEMENTED(state_size != configured_size);
std::memset(state, 0, state_size);
auto* sampler = reinterpret_cast<Ngs2CustomSamplerVoiceState*>(state);
Ngs2FillSamplerState(*voice, *sampler);
break;
}
case Ngs2RackType::Sampler: {
if (state_size != sizeof(Ngs2SamplerVoiceState)) {
LOGF("\t warning: sampler state_size = 0x%016" PRIx64 ", expected 0x%016" PRIx64
"\n",
static_cast<uint64_t>(state_size),
static_cast<uint64_t>(sizeof(Ngs2SamplerVoiceState)));
}
std::memset(state, 0, state_size);
state->state_flags = Ngs2GetStateFlags(voice);
if (state_size < sizeof(Ngs2SamplerVoiceState)) {
break;
}
auto* sampler = reinterpret_cast<Ngs2SamplerVoiceState*>(state);
sampler->envelope_height = 1.0f;
sampler->peak_height = 0.0f;
sampler->reserved = 0;
Ngs2FillSamplerState(*voice, *sampler);
break;
}
default: EXIT("unknown type: %s\n", magic_enum::enum_name(voice->rack->type));
}
return OK;
}
int KYTY_SYSV_ABI Ngs2VoiceGetStateFlags(uintptr_t voice_handle, uint32_t* state_flags) {
PRINT_NAME();
EXIT_NOT_IMPLEMENTED(state_flags == nullptr);
EXIT_NOT_IMPLEMENTED(voice_handle == 0);
auto* voice = reinterpret_cast<Ngs2VoiceInternal*>(voice_handle);
Common::LockGuard lock(voice->rack->ngs->mutex);
*state_flags = Ngs2GetStateFlags(voice);
return OK;
}
} // namespace Ngs2
} // namespace Libs::Audio