mirror of
https://github.com/yuzu-emu/yuzu-android.git
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669 lines
28 KiB
C++
669 lines
28 KiB
C++
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// 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/algorithm/interpolate.h"
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#include "audio_core/command_generator.h"
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#include "audio_core/mix_context.h"
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#include "audio_core/voice_context.h"
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#include "core/memory.h"
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namespace AudioCore {
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namespace {
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static constexpr std::size_t MIX_BUFFER_SIZE = 0x3f00;
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static constexpr std::size_t SCALED_MIX_BUFFER_SIZE = MIX_BUFFER_SIZE << 15ULL;
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template <std::size_t N>
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void ApplyMix(s32* output, const s32* input, s32 gain, s32 sample_count) {
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for (s32 i = 0; i < sample_count; i += N) {
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for (std::size_t j = 0; j < N; j++) {
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output[i + j] +=
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static_cast<s32>((static_cast<s64>(input[i + j]) * gain + 0x4000) >> 15);
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}
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}
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}
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s32 ApplyMixRamp(s32* output, const s32* input, float gain, float delta, s32 sample_count) {
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s32 x = 0;
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for (s32 i = 0; i < sample_count; i++) {
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x = static_cast<s32>(static_cast<float>(input[i]) * gain);
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output[i] += x;
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gain += delta;
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}
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return x;
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}
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void ApplyGain(s32* output, const s32* input, s32 gain, s32 delta, s32 sample_count) {
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for (s32 i = 0; i < sample_count; i++) {
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output[i] = static_cast<s32>((static_cast<s64>(input[i]) * gain + 0x4000) >> 15);
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gain += delta;
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}
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}
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void ApplyGainWithoutDelta(s32* output, const s32* input, s32 gain, s32 sample_count) {
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for (s32 i = 0; i < sample_count; i++) {
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output[i] = static_cast<s32>((static_cast<s64>(input[i]) * gain + 0x4000) >> 15);
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}
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}
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} // namespace
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CommandGenerator::CommandGenerator(AudioCommon::AudioRendererParameter& worker_params,
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VoiceContext& voice_context, MixContext& mix_context,
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SplitterContext& splitter_context, Core::Memory::Memory& memory)
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: worker_params(worker_params), voice_context(voice_context), mix_context(mix_context),
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splitter_context(splitter_context), memory(memory),
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mix_buffer((worker_params.mix_buffer_count + AudioCommon::MAX_CHANNEL_COUNT) *
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worker_params.sample_count),
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sample_buffer(MIX_BUFFER_SIZE) {}
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CommandGenerator::~CommandGenerator() = default;
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void CommandGenerator::ClearMixBuffers() {
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std::memset(mix_buffer.data(), 0, mix_buffer.size() * sizeof(s32));
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std::memset(sample_buffer.data(), 0, sample_buffer.size() * sizeof(s32));
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}
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void CommandGenerator::GenerateVoiceCommands() {
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if (dumping_frame) {
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LOG_CRITICAL(Audio, "(DSP_TRACE) GenerateVoiceCommands");
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}
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// Grab all our voices
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const auto voice_count = voice_context.GetVoiceCount();
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for (std::size_t i = 0; i < voice_count; i++) {
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auto& voice_info = voice_context.GetSortedInfo(i);
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// Update voices and check if we should queue them
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if (voice_info.ShouldSkip() || !voice_info.UpdateForCommandGeneration(voice_context)) {
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continue;
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}
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// Queue our voice
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GenerateVoiceCommand(voice_info);
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}
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// Update our splitters
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splitter_context.UpdateInternalState();
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}
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void CommandGenerator::GenerateVoiceCommand(ServerVoiceInfo& voice_info) {
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auto& in_params = voice_info.GetInParams();
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const auto channel_count = in_params.channel_count;
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for (s32 channel = 0; channel < channel_count; channel++) {
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const auto resource_id = in_params.voice_channel_resource_id[channel];
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auto& dsp_state = voice_context.GetDspSharedState(resource_id);
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auto& channel_resource = voice_context.GetChannelResource(resource_id);
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// Decode our samples for our channel
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GenerateDataSourceCommand(voice_info, dsp_state, channel);
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if (in_params.should_depop) {
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in_params.last_volume = 0.0f;
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} else if (in_params.splitter_info_id != AudioCommon::NO_SPLITTER ||
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in_params.mix_id != AudioCommon::NO_MIX) {
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// Apply a biquad filter if needed
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GenerateBiquadFilterCommandForVoice(voice_info, dsp_state,
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worker_params.mix_buffer_count, channel);
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// Base voice volume ramping
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GenerateVolumeRampCommand(in_params.last_volume, in_params.volume, channel,
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in_params.node_id);
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in_params.last_volume = in_params.volume;
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if (in_params.mix_id != AudioCommon::NO_MIX) {
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// If we're using a mix id
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auto& mix_info = mix_context.GetInfo(in_params.mix_id);
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const auto& dest_mix_params = mix_info.GetInParams();
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// Voice Mixing
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GenerateVoiceMixCommand(
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channel_resource.GetCurrentMixVolume(), channel_resource.GetLastMixVolume(),
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dsp_state, dest_mix_params.buffer_offset, dest_mix_params.buffer_count,
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worker_params.mix_buffer_count + channel, in_params.node_id);
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// Update last mix volumes
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channel_resource.UpdateLastMixVolumes();
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} else if (in_params.splitter_info_id != AudioCommon::NO_SPLITTER) {
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s32 base = channel;
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while (auto* destination_data =
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GetDestinationData(in_params.splitter_info_id, base)) {
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base += channel_count;
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if (!destination_data->IsConfigured()) {
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continue;
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}
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if (destination_data->GetMixId() >= mix_context.GetCount()) {
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continue;
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}
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const auto& mix_info = mix_context.GetInfo(destination_data->GetMixId());
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const auto& dest_mix_params = mix_info.GetInParams();
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GenerateVoiceMixCommand(
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destination_data->CurrentMixVolumes(), destination_data->LastMixVolumes(),
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dsp_state, dest_mix_params.buffer_offset, dest_mix_params.buffer_count,
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worker_params.mix_buffer_count + channel, in_params.node_id);
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destination_data->MarkDirty();
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}
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}
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}
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// Update biquad filter enabled states
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for (std::size_t i = 0; i < AudioCommon::MAX_BIQUAD_FILTERS; i++) {
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in_params.was_biquad_filter_enabled[i] = in_params.biquad_filter[i].enabled;
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}
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}
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}
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void CommandGenerator::GenerateSubMixCommands() {
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const auto mix_count = mix_context.GetCount();
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for (std::size_t i = 0; i < mix_count; i++) {
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auto& mix_info = mix_context.GetSortedInfo(i);
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const auto& in_params = mix_info.GetInParams();
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if (!in_params.in_use || in_params.mix_id == AudioCommon::FINAL_MIX) {
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continue;
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}
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GenerateSubMixCommand(mix_info);
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}
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}
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void CommandGenerator::GenerateFinalMixCommands() {
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GenerateFinalMixCommand();
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}
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void CommandGenerator::PreCommand() {
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if (dumping_frame) {
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for (std::size_t i = 0; i < splitter_context.GetInfoCount(); i++) {
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const auto& base = splitter_context.GetInfo(i);
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std::string graph = fmt::format("b[{}]", i);
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auto* head = base.GetHead();
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while (head != nullptr) {
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graph += fmt::format("->{}", head->GetMixId());
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head = head->GetNextDestination();
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}
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LOG_CRITICAL(Audio, "(DSP_TRACE) SplitterGraph splitter_info={}, {}", i, graph);
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}
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}
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}
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void CommandGenerator::PostCommand() {
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if (dumping_frame) {
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dumping_frame = false;
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}
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}
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void CommandGenerator::GenerateDataSourceCommand(ServerVoiceInfo& voice_info, VoiceState& dsp_state,
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s32 channel) {
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auto& in_params = voice_info.GetInParams();
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const auto depop = in_params.should_depop;
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if (in_params.mix_id != AudioCommon::NO_MIX) {
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auto& mix_info = mix_context.GetInfo(in_params.mix_id);
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// mix_info.
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// TODO(ogniK): Depop to destination mix
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} else if (in_params.splitter_info_id != AudioCommon::NO_SPLITTER) {
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// TODO(ogniK): Depop to splitter
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}
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if (!depop) {
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switch (in_params.sample_format) {
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case SampleFormat::Pcm16:
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DecodeFromWaveBuffers(voice_info, GetChannelMixBuffer(channel), dsp_state, channel,
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worker_params.sample_rate, worker_params.sample_count,
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in_params.node_id);
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break;
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case SampleFormat::Adpcm:
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ASSERT(channel == 0 && in_params.channel_count == 1);
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DecodeFromWaveBuffers(voice_info, GetChannelMixBuffer(0), dsp_state, 0,
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worker_params.sample_rate, worker_params.sample_count,
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in_params.node_id);
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break;
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default:
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UNREACHABLE_MSG("Unimplemented sample format={}", in_params.sample_format);
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}
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}
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}
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void CommandGenerator::GenerateBiquadFilterCommandForVoice(ServerVoiceInfo& voice_info,
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VoiceState& dsp_state,
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s32 mix_buffer_count, s32 channel) {
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for (std::size_t i = 0; i < AudioCommon::MAX_BIQUAD_FILTERS; i++) {
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const auto& in_params = voice_info.GetInParams();
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auto& biquad_filter = in_params.biquad_filter[i];
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// Check if biquad filter is actually used
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if (!biquad_filter.enabled) {
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continue;
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}
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// Reinitialize our biquad filter state if it was enabled previously
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if (!in_params.was_biquad_filter_enabled[i]) {
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std::memset(dsp_state.biquad_filter_state.data(), 0,
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dsp_state.biquad_filter_state.size() * sizeof(s64));
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}
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// Generate biquad filter
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GenerateBiquadFilterCommand(mix_buffer_count, biquad_filter, dsp_state.biquad_filter_state,
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mix_buffer_count + channel, mix_buffer_count + channel,
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worker_params.sample_count, voice_info.GetInParams().node_id);
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}
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}
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void AudioCore::CommandGenerator::GenerateBiquadFilterCommand(
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s32 mix_buffer, const BiquadFilterParameter& params, std::array<s64, 2>& state,
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std::size_t input_offset, std::size_t output_offset, s32 sample_count, s32 node_id) {
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if (dumping_frame) {
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LOG_CRITICAL(Audio,
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"(DSP_TRACE) GenerateBiquadFilterCommand node_id={}, "
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"input_mix_buffer={}, output_mix_buffer={}",
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node_id, input_offset, output_offset);
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}
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const auto* input = GetMixBuffer(input_offset);
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auto* output = GetMixBuffer(output_offset);
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// Biquad filter parameters
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const auto n0 = params.numerator[0];
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const auto n1 = params.numerator[1];
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const auto n2 = params.numerator[2];
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const auto d0 = params.denominator[0];
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const auto d1 = params.denominator[1];
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// Biquad filter states
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auto s0 = state[0];
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auto s1 = state[1];
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constexpr s64 MIN = std::numeric_limits<int32_t>::min();
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constexpr s64 MAX = std::numeric_limits<int32_t>::max();
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for (int i = 0; i < sample_count; ++i) {
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const auto sample = static_cast<int64_t>(input[i]);
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const auto f = (sample * n0 + s0 + 0x4000) >> 15;
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const auto y = std::clamp(f, MIN, MAX);
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s0 = sample * n1 + y * d0 + s1;
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s1 = sample * n2 + y * d1;
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output[i] = static_cast<s32>(y);
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}
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state[0] = s0;
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state[1] = s1;
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}
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ServerSplitterDestinationData* CommandGenerator::GetDestinationData(s32 splitter_id, s32 index) {
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if (splitter_id == AudioCommon::NO_SPLITTER) {
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return nullptr;
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}
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return splitter_context.GetDestinationData(splitter_id, index);
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}
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void CommandGenerator::GenerateVolumeRampCommand(float last_volume, float current_volume,
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s32 channel, s32 node_id) {
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const auto last = static_cast<s32>(last_volume * 32768.0f);
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const auto current = static_cast<s32>(current_volume * 32768.0f);
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const auto delta = static_cast<s32>((static_cast<float>(current) - static_cast<float>(last)) /
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static_cast<float>(worker_params.sample_count));
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if (dumping_frame) {
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LOG_CRITICAL(Audio,
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"(DSP_TRACE) GenerateVolumeRampCommand node_id={}, input={}, output={}, "
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"last_volume={}, current_volume={}",
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node_id, GetMixChannelBufferOffset(channel),
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GetMixChannelBufferOffset(channel), last_volume, current_volume);
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}
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// Apply generic gain on samples
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ApplyGain(GetChannelMixBuffer(channel), GetChannelMixBuffer(channel), last, delta,
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worker_params.sample_count);
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}
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void CommandGenerator::GenerateVoiceMixCommand(const MixVolumeBuffer& mix_volumes,
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const MixVolumeBuffer& last_mix_volumes,
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VoiceState& dsp_state, s32 mix_buffer_offset,
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s32 mix_buffer_count, s32 voice_index, s32 node_id) {
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// Loop all our mix buffers
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for (s32 i = 0; i < mix_buffer_count; i++) {
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if (last_mix_volumes[i] != 0.0f || mix_volumes[i] != 0.0f) {
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const auto delta = static_cast<float>((mix_volumes[i] - last_mix_volumes[i])) /
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static_cast<float>(worker_params.sample_count);
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if (dumping_frame) {
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LOG_CRITICAL(Audio,
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"(DSP_TRACE) GenerateVoiceMixCommand node_id={}, input={}, "
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"output={}, last_volume={}, current_volume={}",
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node_id, voice_index, mix_buffer_offset + i, last_mix_volumes[i],
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mix_volumes[i]);
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}
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dsp_state.previous_samples[i] =
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ApplyMixRamp(GetMixBuffer(mix_buffer_offset + i), GetMixBuffer(voice_index),
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last_mix_volumes[i], delta, worker_params.sample_count);
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|
|
} else {
|
||
|
|
dsp_state.previous_samples[i] = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CommandGenerator::GenerateSubMixCommand(ServerMixInfo& mix_info) {
|
||
|
|
if (dumping_frame) {
|
||
|
|
LOG_CRITICAL(Audio, "(DSP_TRACE) GenerateSubMixCommand");
|
||
|
|
}
|
||
|
|
// TODO(ogniK): Depop
|
||
|
|
// TODO(ogniK): Effects
|
||
|
|
GenerateMixCommands(mix_info);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CommandGenerator::GenerateMixCommands(ServerMixInfo& mix_info) {
|
||
|
|
if (!mix_info.HasAnyConnection()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const auto& in_params = mix_info.GetInParams();
|
||
|
|
if (in_params.dest_mix_id != AudioCommon::NO_MIX) {
|
||
|
|
const auto& dest_mix = mix_context.GetInfo(in_params.dest_mix_id);
|
||
|
|
const auto& dest_in_params = dest_mix.GetInParams();
|
||
|
|
|
||
|
|
const auto buffer_count = in_params.buffer_count;
|
||
|
|
|
||
|
|
for (s32 i = 0; i < buffer_count; i++) {
|
||
|
|
for (s32 j = 0; j < dest_in_params.buffer_count; j++) {
|
||
|
|
const auto mixed_volume = in_params.volume * in_params.mix_volume[i][j];
|
||
|
|
if (mixed_volume != 0.0f) {
|
||
|
|
GenerateMixCommand(dest_in_params.buffer_offset + j,
|
||
|
|
in_params.buffer_offset + i, mixed_volume,
|
||
|
|
in_params.node_id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if (in_params.splitter_id != AudioCommon::NO_SPLITTER) {
|
||
|
|
s32 base{};
|
||
|
|
while (const auto* destination_data = GetDestinationData(in_params.splitter_id, base++)) {
|
||
|
|
if (!destination_data->IsConfigured()) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
const auto& dest_mix = mix_context.GetInfo(destination_data->GetMixId());
|
||
|
|
const auto& dest_in_params = dest_mix.GetInParams();
|
||
|
|
const auto mix_index = (base - 1) % in_params.buffer_count + in_params.buffer_offset;
|
||
|
|
for (std::size_t i = 0; i < dest_in_params.buffer_count; i++) {
|
||
|
|
const auto mixed_volume = in_params.volume * destination_data->GetMixVolume(i);
|
||
|
|
if (mixed_volume != 0.0f) {
|
||
|
|
GenerateMixCommand(dest_in_params.buffer_offset + i, mix_index, mixed_volume,
|
||
|
|
in_params.node_id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CommandGenerator::GenerateMixCommand(std::size_t output_offset, std::size_t input_offset,
|
||
|
|
float volume, s32 node_id) {
|
||
|
|
|
||
|
|
if (dumping_frame) {
|
||
|
|
LOG_CRITICAL(Audio,
|
||
|
|
"(DSP_TRACE) GenerateMixCommand node_id={}, input={}, output={}, volume={}",
|
||
|
|
node_id, input_offset, output_offset, volume);
|
||
|
|
}
|
||
|
|
|
||
|
|
auto* output = GetMixBuffer(output_offset);
|
||
|
|
const auto* input = GetMixBuffer(input_offset);
|
||
|
|
|
||
|
|
const s32 gain = static_cast<s32>(volume * 32768.0f);
|
||
|
|
// Mix with loop unrolling
|
||
|
|
if (worker_params.sample_count % 4 == 0) {
|
||
|
|
ApplyMix<4>(output, input, gain, worker_params.sample_count);
|
||
|
|
} else if (worker_params.sample_count % 2 == 0) {
|
||
|
|
ApplyMix<2>(output, input, gain, worker_params.sample_count);
|
||
|
|
} else {
|
||
|
|
ApplyMix<1>(output, input, gain, worker_params.sample_count);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CommandGenerator::GenerateFinalMixCommand() {
|
||
|
|
if (dumping_frame) {
|
||
|
|
LOG_CRITICAL(Audio, "(DSP_TRACE) GenerateFinalMixCommand");
|
||
|
|
}
|
||
|
|
// TODO(ogniK): Depop
|
||
|
|
// TODO(ogniK): Effects
|
||
|
|
auto& mix_info = mix_context.GetFinalMixInfo();
|
||
|
|
const auto in_params = mix_info.GetInParams();
|
||
|
|
for (s32 i = 0; i < in_params.buffer_count; i++) {
|
||
|
|
const s32 gain = static_cast<s32>(in_params.volume * 32768.0f);
|
||
|
|
if (dumping_frame) {
|
||
|
|
LOG_CRITICAL(
|
||
|
|
Audio,
|
||
|
|
"(DSP_TRACE) ApplyGainWithoutDelta node_id={}, input={}, output={}, volume={}",
|
||
|
|
in_params.node_id, in_params.buffer_offset + i, in_params.buffer_offset + i,
|
||
|
|
in_params.volume);
|
||
|
|
}
|
||
|
|
ApplyGainWithoutDelta(GetMixBuffer(in_params.buffer_offset + i),
|
||
|
|
GetMixBuffer(in_params.buffer_offset + i), gain,
|
||
|
|
worker_params.sample_count);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 CommandGenerator::DecodePcm16(ServerVoiceInfo& voice_info, VoiceState& dsp_state,
|
||
|
|
s32 sample_count, s32 channel, std::size_t mix_offset) {
|
||
|
|
auto& in_params = voice_info.GetInParams();
|
||
|
|
const auto& wave_buffer = in_params.wave_buffer[dsp_state.wave_buffer_index];
|
||
|
|
if (wave_buffer.buffer_address == 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (wave_buffer.buffer_size == 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (wave_buffer.end_sample_offset < wave_buffer.start_sample_offset) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
const auto samples_remaining =
|
||
|
|
(wave_buffer.end_sample_offset - wave_buffer.start_sample_offset) - dsp_state.offset;
|
||
|
|
const auto start_offset =
|
||
|
|
((wave_buffer.start_sample_offset + dsp_state.offset) * in_params.channel_count) *
|
||
|
|
sizeof(s16);
|
||
|
|
const auto buffer_pos = wave_buffer.buffer_address + start_offset;
|
||
|
|
const auto samples_processed = std::min(sample_count, samples_remaining);
|
||
|
|
|
||
|
|
if (in_params.channel_count == 1) {
|
||
|
|
std::vector<s16> buffer(samples_processed);
|
||
|
|
memory.ReadBlock(buffer_pos, buffer.data(), buffer.size() * sizeof(s16));
|
||
|
|
for (std::size_t i = 0; i < buffer.size(); i++) {
|
||
|
|
sample_buffer[mix_offset + i] = buffer[i];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
const auto channel_count = in_params.channel_count;
|
||
|
|
std::vector<s16> buffer(samples_processed * channel_count);
|
||
|
|
memory.ReadBlock(buffer_pos, buffer.data(), buffer.size() * sizeof(s16));
|
||
|
|
|
||
|
|
for (std::size_t i = 0; i < samples_processed; i++) {
|
||
|
|
sample_buffer[mix_offset + i] = buffer[i * channel_count + channel];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return samples_processed;
|
||
|
|
}
|
||
|
|
s32 CommandGenerator::DecodeAdpcm(ServerVoiceInfo& voice_info, VoiceState& dsp_state,
|
||
|
|
s32 sample_count, s32 channel, std::size_t mix_offset) {
|
||
|
|
auto& in_params = voice_info.GetInParams();
|
||
|
|
const auto& wave_buffer = in_params.wave_buffer[dsp_state.wave_buffer_index];
|
||
|
|
if (wave_buffer.buffer_address == 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (wave_buffer.buffer_size == 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if (wave_buffer.end_sample_offset < wave_buffer.start_sample_offset) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
const auto samples_remaining =
|
||
|
|
(wave_buffer.end_sample_offset - wave_buffer.start_sample_offset) - dsp_state.offset;
|
||
|
|
const auto start_offset =
|
||
|
|
((wave_buffer.start_sample_offset + dsp_state.offset) * in_params.channel_count);
|
||
|
|
const auto buffer_pos = wave_buffer.buffer_address + start_offset;
|
||
|
|
|
||
|
|
const auto samples_processed = std::min(sample_count, samples_remaining);
|
||
|
|
|
||
|
|
if (start_offset > dsp_state.adpcm_samples.size()) {
|
||
|
|
dsp_state.adpcm_samples.clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO(ogniK): Proper ADPCM streaming
|
||
|
|
if (dsp_state.adpcm_samples.empty()) {
|
||
|
|
Codec::ADPCM_Coeff coeffs;
|
||
|
|
memory.ReadBlock(in_params.additional_params_address, coeffs.data(),
|
||
|
|
sizeof(Codec::ADPCM_Coeff));
|
||
|
|
std::vector<u8> buffer(wave_buffer.buffer_size);
|
||
|
|
memory.ReadBlock(wave_buffer.buffer_address, buffer.data(), buffer.size());
|
||
|
|
dsp_state.adpcm_samples =
|
||
|
|
std::move(Codec::DecodeADPCM(buffer.data(), buffer.size(), coeffs, dsp_state.context));
|
||
|
|
}
|
||
|
|
|
||
|
|
for (std::size_t i = 0; i < samples_processed; i++) {
|
||
|
|
const auto sample_offset = i + start_offset;
|
||
|
|
sample_buffer[mix_offset + i] =
|
||
|
|
dsp_state.adpcm_samples[sample_offset * in_params.channel_count + channel];
|
||
|
|
}
|
||
|
|
|
||
|
|
return samples_processed;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32* CommandGenerator::GetMixBuffer(std::size_t index) {
|
||
|
|
return mix_buffer.data() + (index * worker_params.sample_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
const s32* CommandGenerator::GetMixBuffer(std::size_t index) const {
|
||
|
|
return mix_buffer.data() + (index * worker_params.sample_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
std::size_t CommandGenerator::GetMixChannelBufferOffset(s32 channel) const {
|
||
|
|
return worker_params.mix_buffer_count + channel;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32* CommandGenerator::GetChannelMixBuffer(s32 channel) {
|
||
|
|
return GetMixBuffer(worker_params.mix_buffer_count + channel);
|
||
|
|
}
|
||
|
|
|
||
|
|
const s32* CommandGenerator::GetChannelMixBuffer(s32 channel) const {
|
||
|
|
return GetMixBuffer(worker_params.mix_buffer_count + channel);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CommandGenerator::DecodeFromWaveBuffers(ServerVoiceInfo& voice_info, s32* output,
|
||
|
|
VoiceState& dsp_state, s32 channel,
|
||
|
|
s32 target_sample_rate, s32 sample_count,
|
||
|
|
s32 node_id) {
|
||
|
|
auto& in_params = voice_info.GetInParams();
|
||
|
|
if (dumping_frame) {
|
||
|
|
LOG_CRITICAL(Audio,
|
||
|
|
"(DSP_TRACE) DecodeFromWaveBuffers, node_id={}, channel={}, "
|
||
|
|
"format={}, sample_count={}, sample_rate={}, mix_id={}, splitter_id={}",
|
||
|
|
node_id, channel, in_params.sample_format, sample_count, in_params.sample_rate,
|
||
|
|
in_params.mix_id, in_params.splitter_info_id);
|
||
|
|
}
|
||
|
|
ASSERT_OR_EXECUTE(output != nullptr, { return; });
|
||
|
|
|
||
|
|
const auto resample_rate = static_cast<s32>(
|
||
|
|
static_cast<float>(in_params.sample_rate) / static_cast<float>(target_sample_rate) *
|
||
|
|
static_cast<float>(static_cast<s32>(in_params.pitch * 32768.0f)));
|
||
|
|
auto* output_base = output;
|
||
|
|
if ((dsp_state.fraction + sample_count * resample_rate) > (SCALED_MIX_BUFFER_SIZE - 4ULL)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
auto min_required_samples =
|
||
|
|
std::min(static_cast<s32>(SCALED_MIX_BUFFER_SIZE) - dsp_state.fraction, resample_rate);
|
||
|
|
if (min_required_samples >= sample_count) {
|
||
|
|
min_required_samples = sample_count;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::size_t temp_mix_offset{};
|
||
|
|
bool is_buffer_completed{false};
|
||
|
|
auto samples_remaining = sample_count;
|
||
|
|
while (samples_remaining > 0 && !is_buffer_completed) {
|
||
|
|
const auto samples_to_output = std::min(samples_remaining, min_required_samples);
|
||
|
|
const auto samples_to_read = (samples_to_output * resample_rate + dsp_state.fraction) >> 15;
|
||
|
|
|
||
|
|
if (!in_params.behavior_flags.is_pitch_and_src_skipped) {
|
||
|
|
// Append sample histtory for resampler
|
||
|
|
for (std::size_t i = 0; i < AudioCommon::MAX_SAMPLE_HISTORY; i++) {
|
||
|
|
sample_buffer[temp_mix_offset + i] = dsp_state.sample_history[i];
|
||
|
|
}
|
||
|
|
temp_mix_offset += 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 samples_read{};
|
||
|
|
while (samples_read < samples_to_read) {
|
||
|
|
const auto& wave_buffer = in_params.wave_buffer[dsp_state.wave_buffer_index];
|
||
|
|
// No more data can be read
|
||
|
|
if (!dsp_state.is_wave_buffer_valid[dsp_state.wave_buffer_index]) {
|
||
|
|
is_buffer_completed = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (in_params.sample_format == SampleFormat::Adpcm && dsp_state.offset == 0 &&
|
||
|
|
wave_buffer.context_address != 0 && wave_buffer.context_size != 0) {
|
||
|
|
// TODO(ogniK): ADPCM loop context
|
||
|
|
}
|
||
|
|
|
||
|
|
s32 samples_decoded{0};
|
||
|
|
switch (in_params.sample_format) {
|
||
|
|
case SampleFormat::Pcm16:
|
||
|
|
samples_decoded = DecodePcm16(voice_info, dsp_state, samples_to_read - samples_read,
|
||
|
|
channel, temp_mix_offset);
|
||
|
|
break;
|
||
|
|
case SampleFormat::Adpcm:
|
||
|
|
samples_decoded = DecodeAdpcm(voice_info, dsp_state, samples_to_read - samples_read,
|
||
|
|
channel, temp_mix_offset);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
UNREACHABLE_MSG("Unimplemented sample format={}", in_params.sample_format);
|
||
|
|
}
|
||
|
|
|
||
|
|
temp_mix_offset += samples_decoded;
|
||
|
|
samples_read += samples_decoded;
|
||
|
|
dsp_state.offset += samples_decoded;
|
||
|
|
dsp_state.played_sample_count += samples_decoded;
|
||
|
|
|
||
|
|
if (dsp_state.offset >=
|
||
|
|
(wave_buffer.end_sample_offset - wave_buffer.start_sample_offset) ||
|
||
|
|
samples_decoded == 0) {
|
||
|
|
// Reset our sample offset
|
||
|
|
dsp_state.offset = 0;
|
||
|
|
if (wave_buffer.is_looping) {
|
||
|
|
if (samples_decoded == 0) {
|
||
|
|
// End of our buffer
|
||
|
|
is_buffer_completed = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (in_params.behavior_flags.is_played_samples_reset_at_loop_point.Value()) {
|
||
|
|
dsp_state.played_sample_count = 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (in_params.sample_format == SampleFormat::Adpcm) {
|
||
|
|
// TODO(ogniK): Remove this when ADPCM streaming implemented
|
||
|
|
dsp_state.adpcm_samples.clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Update our wave buffer states
|
||
|
|
dsp_state.is_wave_buffer_valid[dsp_state.wave_buffer_index] = false;
|
||
|
|
dsp_state.wave_buffer_consumed++;
|
||
|
|
dsp_state.wave_buffer_index =
|
||
|
|
(dsp_state.wave_buffer_index + 1) % AudioCommon::MAX_WAVE_BUFFERS;
|
||
|
|
if (wave_buffer.end_of_stream) {
|
||
|
|
dsp_state.played_sample_count = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (in_params.behavior_flags.is_pitch_and_src_skipped.Value()) {
|
||
|
|
// No need to resample
|
||
|
|
memcpy(output, sample_buffer.data(), samples_read * sizeof(s32));
|
||
|
|
} else {
|
||
|
|
std::memset(sample_buffer.data() + temp_mix_offset, 0,
|
||
|
|
sizeof(s32) * (samples_to_read - samples_read));
|
||
|
|
AudioCore::Resample(output, sample_buffer.data(), resample_rate, dsp_state.fraction,
|
||
|
|
samples_to_output);
|
||
|
|
// Resample
|
||
|
|
for (std::size_t i = 0; i < AudioCommon::MAX_SAMPLE_HISTORY; i++) {
|
||
|
|
dsp_state.sample_history[i] = sample_buffer[samples_to_read + i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
output += samples_to_output;
|
||
|
|
samples_remaining -= samples_to_output;
|
||
|
|
}
|
||
|
|
}
|
||
|
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||
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} // namespace AudioCore
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