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Remove memory allocations in some hot paths

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This commit is contained in:
Kelebek1 2023-05-23 14:45:54 +01:00
parent e3122c5b46
commit 5da70f7197
84 changed files with 501 additions and 458 deletions
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8
src/audio_core/device/audio_buffers.h
View file

@ -7,6 +7,7 @@
#include <mutex>
#include <span>
#include <vector>
#include <boost/container/static_vector.hpp>
#include "audio_buffer.h"
#include "audio_core/device/device_session.h"
@ -48,7 +49,7 @@ public:
*
* @param out_buffers - The buffers which were registered.
*/
void RegisterBuffers(std::vector<AudioBuffer>& out_buffers) {
void RegisterBuffers(boost::container::static_vector<AudioBuffer, N>& out_buffers) {
std::scoped_lock l{lock};
const s32 to_register{std::min(std::min(appended_count, BufferAppendLimit),
BufferAppendLimit - registered_count)};
@ -162,7 +163,8 @@ public:
* @param max_buffers - Maximum number of buffers to released.
* @return The number of buffers released.
*/
u32 GetRegisteredAppendedBuffers(std::vector<AudioBuffer>& buffers_flushed, u32 max_buffers) {
u32 GetRegisteredAppendedBuffers(
boost::container::static_vector<AudioBuffer, N>& buffers_flushed, u32 max_buffers) {
std::scoped_lock l{lock};
if (registered_count + appended_count == 0) {
return 0;
@ -270,7 +272,7 @@ public:
*/
bool FlushBuffers(u32& buffers_released) {
std::scoped_lock l{lock};
std::vector<AudioBuffer> buffers_flushed{};
boost::container::static_vector<AudioBuffer, N> buffers_flushed{};
buffers_released = GetRegisteredAppendedBuffers(buffers_flushed, append_limit);

12
src/audio_core/device/device_session.cpp
View file

@ -79,7 +79,7 @@ void DeviceSession::ClearBuffers() {
}
}
void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) const {
void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) {
for (const auto& buffer : buffers) {
Sink::SinkBuffer new_buffer{
.frames = buffer.size / (channel_count * sizeof(s16)),
@ -88,13 +88,13 @@ void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) const {
.consumed = false,
};
tmp_samples.resize_destructive(buffer.size / sizeof(s16));
if (type == Sink::StreamType::In) {
std::vector<s16> samples{};
stream->AppendBuffer(new_buffer, samples);
stream->AppendBuffer(new_buffer, tmp_samples);
} else {
std::vector<s16> samples(buffer.size / sizeof(s16));
system.ApplicationMemory().ReadBlockUnsafe(buffer.samples, samples.data(), buffer.size);
stream->AppendBuffer(new_buffer, samples);
system.ApplicationMemory().ReadBlockUnsafe(buffer.samples, tmp_samples.data(),
buffer.size);
stream->AppendBuffer(new_buffer, tmp_samples);
}
}
}

7
src/audio_core/device/device_session.h
View file

@ -10,6 +10,7 @@
#include "audio_core/common/common.h"
#include "audio_core/sink/sink.h"
#include "common/scratch_buffer.h"
#include "core/hle/service/audio/errors.h"
namespace Core {
@ -62,7 +63,7 @@ public:
*
* @param buffers - The buffers to play.
*/
void AppendBuffers(std::span<const AudioBuffer> buffers) const;
void AppendBuffers(std::span<const AudioBuffer> buffers);
/**
* (Audio In only) Pop samples from the backend, and write them back to this buffer's address.
@ -146,8 +147,8 @@ private:
std::shared_ptr<Core::Timing::EventType> thread_event;
/// Is this session initialised?
bool initialized{};
/// Buffer queue
std::vector<AudioBuffer> buffer_queue{};
/// Temporary sample buffer
Common::ScratchBuffer<s16> tmp_samples{};
};
} // namespace AudioCore

5
src/audio_core/in/audio_in_system.cpp
View file

@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include <mutex>
#include "audio_core/audio_event.h"
#include "audio_core/audio_manager.h"
#include "audio_core/in/audio_in_system.h"
@ -89,7 +90,7 @@ Result System::Start() {
session->Start();
state = State::Started;
std::vector<AudioBuffer> buffers_to_flush{};
boost::container::static_vector<AudioBuffer, BufferCount> buffers_to_flush{};
buffers.RegisterBuffers(buffers_to_flush);
session->AppendBuffers(buffers_to_flush);
session->SetRingSize(static_cast<u32>(buffers_to_flush.size()));
@ -134,7 +135,7 @@ bool System::AppendBuffer(const AudioInBuffer& buffer, const u64 tag) {
void System::RegisterBuffers() {
if (state == State::Started) {
std::vector<AudioBuffer> registered_buffers{};
boost::container::static_vector<AudioBuffer, BufferCount> registered_buffers{};
buffers.RegisterBuffers(registered_buffers);
session->AppendBuffers(registered_buffers);
}

4
src/audio_core/out/audio_out_system.cpp
View file

@ -89,7 +89,7 @@ Result System::Start() {
session->Start();
state = State::Started;
std::vector<AudioBuffer> buffers_to_flush{};
boost::container::static_vector<AudioBuffer, BufferCount> buffers_to_flush{};
buffers.RegisterBuffers(buffers_to_flush);
session->AppendBuffers(buffers_to_flush);
session->SetRingSize(static_cast<u32>(buffers_to_flush.size()));
@ -134,7 +134,7 @@ bool System::AppendBuffer(const AudioOutBuffer& buffer, u64 tag) {
void System::RegisterBuffers() {
if (state == State::Started) {
std::vector<AudioBuffer> registered_buffers{};
boost::container::static_vector<AudioBuffer, BufferCount> registered_buffers{};
buffers.RegisterBuffers(registered_buffers);
session->AppendBuffers(registered_buffers);
}

23
src/audio_core/renderer/command/data_source/decode.cpp
View file

@ -8,6 +8,7 @@
#include "audio_core/renderer/command/resample/resample.h"
#include "common/fixed_point.h"
#include "common/logging/log.h"
#include "common/scratch_buffer.h"
#include "core/memory.h"
namespace AudioCore::AudioRenderer {
@ -27,6 +28,7 @@ constexpr std::array<u8, 3> PitchBySrcQuality = {4, 8, 4};
template <typename T>
static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
const DecodeArg& req) {
std::array<T, TempBufferSize> tmp_samples{};
constexpr s32 min{std::numeric_limits<s16>::min()};
constexpr s32 max{std::numeric_limits<s16>::max()};
@ -49,18 +51,17 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
const u64 size{channel_count * samples_to_decode};
const u64 size_bytes{size * sizeof(T)};
std::vector<T> samples(size);
memory.ReadBlockUnsafe(source, samples.data(), size_bytes);
memory.ReadBlockUnsafe(source, tmp_samples.data(), size_bytes);
if constexpr (std::is_floating_point_v<T>) {
for (u32 i = 0; i < samples_to_decode; i++) {
auto sample{static_cast<s32>(samples[i * channel_count + req.target_channel] *
auto sample{static_cast<s32>(tmp_samples[i * channel_count + req.target_channel] *
std::numeric_limits<s16>::max())};
out_buffer[i] = static_cast<s16>(std::clamp(sample, min, max));
}
} else {
for (u32 i = 0; i < samples_to_decode; i++) {
out_buffer[i] = samples[i * channel_count + req.target_channel];
out_buffer[i] = tmp_samples[i * channel_count + req.target_channel];
}
}
} break;
@ -73,17 +74,16 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
}
const VAddr source{req.buffer + ((req.start_offset + req.offset) * sizeof(T))};
std::vector<T> samples(samples_to_decode);
memory.ReadBlockUnsafe(source, samples.data(), samples_to_decode * sizeof(T));
memory.ReadBlockUnsafe(source, tmp_samples.data(), samples_to_decode * sizeof(T));
if constexpr (std::is_floating_point_v<T>) {
for (u32 i = 0; i < samples_to_decode; i++) {
auto sample{static_cast<s32>(samples[i * channel_count + req.target_channel] *
auto sample{static_cast<s32>(tmp_samples[i * channel_count + req.target_channel] *
std::numeric_limits<s16>::max())};
out_buffer[i] = static_cast<s16>(std::clamp(sample, min, max));
}
} else {
std::memcpy(out_buffer.data(), samples.data(), samples_to_decode * sizeof(s16));
std::memcpy(out_buffer.data(), tmp_samples.data(), samples_to_decode * sizeof(s16));
}
break;
}
@ -101,6 +101,7 @@ static u32 DecodePcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
*/
static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
const DecodeArg& req) {
std::array<u8, TempBufferSize> wavebuffer{};
constexpr u32 SamplesPerFrame{14};
constexpr u32 NibblesPerFrame{16};
@ -138,9 +139,7 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
}
const auto size{std::max((samples_to_process / 8U) * SamplesPerFrame, 8U)};
std::vector<u8> wavebuffer(size);
memory.ReadBlockUnsafe(req.buffer + position_in_frame / 2, wavebuffer.data(),
wavebuffer.size());
memory.ReadBlockUnsafe(req.buffer + position_in_frame / 2, wavebuffer.data(), size);
auto context{req.adpcm_context};
auto header{context->header};
@ -258,7 +257,7 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
u32 offset{voice_state.offset};
auto output_buffer{args.output};
std::vector<s16> temp_buffer(TempBufferSize, 0);
std::array<s16, TempBufferSize> temp_buffer{};
while (remaining_sample_count > 0) {
const auto samples_to_write{std::min(remaining_sample_count, max_remaining_sample_count)};

8
src/audio_core/renderer/command/effect/compressor.cpp
View file

@ -44,8 +44,8 @@ static void InitializeCompressorEffect(const CompressorInfo::ParameterVersion2&
static void ApplyCompressorEffect(const CompressorInfo::ParameterVersion2& params,
CompressorInfo::State& state, bool enabled,
std::vector<std::span<const s32>> input_buffers,
std::vector<std::span<s32>> output_buffers, u32 sample_count) {
std::span<std::span<const s32>> input_buffers,
std::span<std::span<s32>> output_buffers, u32 sample_count) {
if (enabled) {
auto state_00{state.unk_00};
auto state_04{state.unk_04};
@ -124,8 +124,8 @@ void CompressorCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor&
}
void CompressorCommand::Process(const ADSP::CommandListProcessor& processor) {
std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
std::vector<std::span<s32>> output_buffers(parameter.channel_count);
std::array<std::span<const s32>, MaxChannels> input_buffers{};
std::array<std::span<s32>, MaxChannels> output_buffers{};
for (s16 i = 0; i < parameter.channel_count; i++) {
input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

14
src/audio_core/renderer/command/effect/delay.cpp
View file

@ -51,7 +51,7 @@ static void InitializeDelayEffect(const DelayInfo::ParameterVersion1& params,
state.delay_lines[channel].sample_count_max = sample_count_max.to_int_floor();
state.delay_lines[channel].sample_count = sample_count.to_int_floor();
state.delay_lines[channel].buffer.resize(state.delay_lines[channel].sample_count, 0);
if (state.delay_lines[channel].buffer.size() == 0) {
if (state.delay_lines[channel].sample_count == 0) {
state.delay_lines[channel].buffer.push_back(0);
}
state.delay_lines[channel].buffer_pos = 0;
@ -74,8 +74,8 @@ static void InitializeDelayEffect(const DelayInfo::ParameterVersion1& params,
*/
template <size_t NumChannels>
static void ApplyDelay(const DelayInfo::ParameterVersion1& params, DelayInfo::State& state,
std::vector<std::span<const s32>>& inputs,
std::vector<std::span<s32>>& outputs, const u32 sample_count) {
std::span<std::span<const s32>> inputs, std::span<std::span<s32>> outputs,
const u32 sample_count) {
for (u32 sample_index = 0; sample_index < sample_count; sample_index++) {
std::array<Common::FixedPoint<50, 14>, NumChannels> input_samples{};
for (u32 channel = 0; channel < NumChannels; channel++) {
@ -153,8 +153,8 @@ static void ApplyDelay(const DelayInfo::ParameterVersion1& params, DelayInfo::St
* @param sample_count - Number of samples to process.
*/
static void ApplyDelayEffect(const DelayInfo::ParameterVersion1& params, DelayInfo::State& state,
const bool enabled, std::vector<std::span<const s32>>& inputs,
std::vector<std::span<s32>>& outputs, const u32 sample_count) {
const bool enabled, std::span<std::span<const s32>> inputs,
std::span<std::span<s32>> outputs, const u32 sample_count) {
if (!IsChannelCountValid(params.channel_count)) {
LOG_ERROR(Service_Audio, "Invalid delay channels {}", params.channel_count);
@ -208,8 +208,8 @@ void DelayCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor& proce
}
void DelayCommand::Process(const ADSP::CommandListProcessor& processor) {
std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
std::vector<std::span<s32>> output_buffers(parameter.channel_count);
std::array<std::span<const s32>, MaxChannels> input_buffers{};
std::array<std::span<s32>, MaxChannels> output_buffers{};
for (s16 i = 0; i < parameter.channel_count; i++) {
input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

4
src/audio_core/renderer/command/effect/i3dl2_reverb.cpp
View file

@ -408,8 +408,8 @@ void I3dl2ReverbCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor&
}
void I3dl2ReverbCommand::Process(const ADSP::CommandListProcessor& processor) {
std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
std::vector<std::span<s32>> output_buffers(parameter.channel_count);
std::array<std::span<const s32>, MaxChannels> input_buffers{};
std::array<std::span<s32>, MaxChannels> output_buffers{};
for (u32 i = 0; i < parameter.channel_count; i++) {
input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

12
src/audio_core/renderer/command/effect/light_limiter.cpp
View file

@ -47,8 +47,8 @@ static void InitializeLightLimiterEffect(const LightLimiterInfo::ParameterVersio
*/
static void ApplyLightLimiterEffect(const LightLimiterInfo::ParameterVersion2& params,
LightLimiterInfo::State& state, const bool enabled,
std::vector<std::span<const s32>>& inputs,
std::vector<std::span<s32>>& outputs, const u32 sample_count,
std::span<std::span<const s32>> inputs,
std::span<std::span<s32>> outputs, const u32 sample_count,
LightLimiterInfo::StatisticsInternal* statistics) {
constexpr s64 min{std::numeric_limits<s32>::min()};
constexpr s64 max{std::numeric_limits<s32>::max()};
@ -147,8 +147,8 @@ void LightLimiterVersion1Command::Dump([[maybe_unused]] const ADSP::CommandListP
}
void LightLimiterVersion1Command::Process(const ADSP::CommandListProcessor& processor) {
std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
std::vector<std::span<s32>> output_buffers(parameter.channel_count);
std::array<std::span<const s32>, MaxChannels> input_buffers{};
std::array<std::span<s32>, MaxChannels> output_buffers{};
for (u32 i = 0; i < parameter.channel_count; i++) {
input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,
@ -190,8 +190,8 @@ void LightLimiterVersion2Command::Dump([[maybe_unused]] const ADSP::CommandListP
}
void LightLimiterVersion2Command::Process(const ADSP::CommandListProcessor& processor) {
std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
std::vector<std::span<s32>> output_buffers(parameter.channel_count);
std::array<std::span<const s32>, MaxChannels> input_buffers{};
std::array<std::span<s32>, MaxChannels> output_buffers{};
for (u32 i = 0; i < parameter.channel_count; i++) {
input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

12
src/audio_core/renderer/command/effect/reverb.cpp
View file

@ -250,8 +250,8 @@ static Common::FixedPoint<50, 14> Axfx2AllPassTick(ReverbInfo::ReverbDelayLine&
*/
template <size_t NumChannels>
static void ApplyReverbEffect(const ReverbInfo::ParameterVersion2& params, ReverbInfo::State& state,
std::vector<std::span<const s32>>& inputs,
std::vector<std::span<s32>>& outputs, const u32 sample_count) {
std::span<std::span<const s32>> inputs,
std::span<std::span<s32>> outputs, const u32 sample_count) {
static constexpr std::array<u8, ReverbInfo::MaxDelayTaps> OutTapIndexes1Ch{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
@ -369,8 +369,8 @@ static void ApplyReverbEffect(const ReverbInfo::ParameterVersion2& params, Rever
* @param sample_count - Number of samples to process.
*/
static void ApplyReverbEffect(const ReverbInfo::ParameterVersion2& params, ReverbInfo::State& state,
const bool enabled, std::vector<std::span<const s32>>& inputs,
std::vector<std::span<s32>>& outputs, const u32 sample_count) {
const bool enabled, std::span<std::span<const s32>> inputs,
std::span<std::span<s32>> outputs, const u32 sample_count) {
if (enabled) {
switch (params.channel_count) {
case 0:
@ -412,8 +412,8 @@ void ReverbCommand::Dump([[maybe_unused]] const ADSP::CommandListProcessor& proc
}
void ReverbCommand::Process(const ADSP::CommandListProcessor& processor) {
std::vector<std::span<const s32>> input_buffers(parameter.channel_count);
std::vector<std::span<s32>> output_buffers(parameter.channel_count);
std::array<std::span<const s32>, MaxChannels> input_buffers{};
std::array<std::span<s32>, MaxChannels> output_buffers{};
for (u32 i = 0; i < parameter.channel_count; i++) {
input_buffers[i] = processor.mix_buffers.subspan(inputs[i] * processor.sample_count,

4
src/audio_core/renderer/command/sink/circular_buffer.cpp
View file

@ -24,7 +24,7 @@ void CircularBufferSinkCommand::Process(const ADSP::CommandListProcessor& proces
constexpr s32 min{std::numeric_limits<s16>::min()};
constexpr s32 max{std::numeric_limits<s16>::max()};
std::vector<s16> output(processor.sample_count);
std::array<s16, TargetSampleCount * MaxChannels> output{};
for (u32 channel = 0; channel < input_count; channel++) {
auto input{processor.mix_buffers.subspan(inputs[channel] * processor.sample_count,
processor.sample_count)};
@ -33,7 +33,7 @@ void CircularBufferSinkCommand::Process(const ADSP::CommandListProcessor& proces
}
processor.memory->WriteBlockUnsafe(address + pos, output.data(),
output.size() * sizeof(s16));
processor.sample_count * sizeof(s16));
pos += static_cast<u32>(processor.sample_count * sizeof(s16));
if (pos >= size) {
pos = 0;

5
src/audio_core/renderer/command/sink/device.cpp
View file

@ -33,8 +33,7 @@ void DeviceSinkCommand::Process(const ADSP::CommandListProcessor& processor) {
.consumed{false},
};
std::vector<s16> samples(out_buffer.frames * input_count);
std::array<s16, TargetSampleCount * MaxChannels> samples{};
for (u32 channel = 0; channel < input_count; channel++) {
const auto offset{inputs[channel] * out_buffer.frames};
@ -45,7 +44,7 @@ void DeviceSinkCommand::Process(const ADSP::CommandListProcessor& processor) {
}
out_buffer.tag = reinterpret_cast<u64>(samples.data());
stream->AppendBuffer(out_buffer, samples);
stream->AppendBuffer(out_buffer, {samples.data(), out_buffer.frames * input_count});
if (stream->IsPaused()) {
stream->Start();

6
src/audio_core/renderer/mix/mix_context.cpp
View file

@ -125,10 +125,10 @@ bool MixContext::TSortInfo(const SplitterContext& splitter_context) {
return false;
}
std::vector<s32> sorted_results{node_states.GetSortedResuls()};
const auto result_size{std::min(count, static_cast<s32>(sorted_results.size()))};
auto sorted_results{node_states.GetSortedResuls()};
const auto result_size{std::min(count, static_cast<s32>(sorted_results.second))};
for (s32 i = 0; i < result_size; i++) {
sorted_mix_infos[i] = &mix_infos[sorted_results[i]];
sorted_mix_infos[i] = &mix_infos[sorted_results.first[i]];
}
CalcMixBufferOffset();

4
src/audio_core/renderer/nodes/node_states.cpp
View file

@ -134,8 +134,8 @@ u32 NodeStates::GetNodeCount() const {
return node_count;
}
std::vector<s32> NodeStates::GetSortedResuls() const {
return {results.rbegin(), results.rbegin() + result_pos};
std::pair<std::span<u32>::reverse_iterator, size_t> NodeStates::GetSortedResuls() const {
return {results.rbegin(), result_pos};
}
} // namespace AudioCore::AudioRenderer

2
src/audio_core/renderer/nodes/node_states.h
View file

@ -175,7 +175,7 @@ public:
*
* @return Vector of nodes in reverse order.
*/
std::vector<s32> GetSortedResuls() const;
std::pair<std::span<u32>::reverse_iterator, size_t> GetSortedResuls() const;
private:
/// Number of nodes in the graph

1
src/audio_core/renderer/system.cpp
View file

@ -444,6 +444,7 @@ Result System::Update(std::span<const u8> input, std::span<u8> performance, std:
std::scoped_lock l{lock};
const auto start_time{core.CoreTiming().GetClockTicks()};
std::memset(output.data(), 0, output.size());
InfoUpdater info_updater(input, output, process_handle, behavior);

2
src/audio_core/sink/null_sink.h
View file

@ -20,7 +20,7 @@ public:
explicit NullSinkStreamImpl(Core::System& system_, StreamType type_)
: SinkStream{system_, type_} {}
~NullSinkStreamImpl() override {}
void AppendBuffer(SinkBuffer&, std::vector<s16>&) override {}
void AppendBuffer(SinkBuffer&, std::span<s16>) override {}
std::vector<s16> ReleaseBuffer(u64) override {
return {};
}

15
src/audio_core/sink/sink_stream.cpp
View file

@ -18,7 +18,7 @@
namespace AudioCore::Sink {
void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
void SinkStream::AppendBuffer(SinkBuffer& buffer, std::span<s16> samples) {
if (type == StreamType::In) {
queue.enqueue(buffer);
queued_buffers++;
@ -66,15 +66,16 @@ void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
static_cast<s16>(std::clamp(right_sample, min, max));
}
samples.resize(samples.size() / system_channels * device_channels);
samples = samples.subspan(0, samples.size() / system_channels * device_channels);
} else if (system_channels == 2 && device_channels == 6) {
// We need moar samples! Not all games will provide 6 channel audio.
// TODO: Implement some upmixing here. Currently just passthrough, with other
// channels left as silence.
std::vector<s16> new_samples(samples.size() / system_channels * device_channels, 0);
auto new_size = samples.size() / system_channels * device_channels;
tmp_samples.resize_destructive(new_size);
for (u32 read_index = 0, write_index = 0; read_index < samples.size();
for (u32 read_index = 0, write_index = 0; read_index < new_size;
read_index += system_channels, write_index += device_channels) {
const auto left_sample{static_cast<s16>(std::clamp(
static_cast<s32>(
@ -82,7 +83,7 @@ void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
volume),
min, max))};
new_samples[write_index + static_cast<u32>(Channels::FrontLeft)] = left_sample;
tmp_samples[write_index + static_cast<u32>(Channels::FrontLeft)] = left_sample;
const auto right_sample{static_cast<s16>(std::clamp(
static_cast<s32>(
@ -90,9 +91,9 @@ void SinkStream::AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples) {
volume),
min, max))};
new_samples[write_index + static_cast<u32>(Channels::FrontRight)] = right_sample;
tmp_samples[write_index + static_cast<u32>(Channels::FrontRight)] = right_sample;
}
samples = std::move(new_samples);
samples = std::span<s16>(tmp_samples);
} else if (volume != 1.0f) {
for (u32 i = 0; i < samples.size(); i++) {

5
src/audio_core/sink/sink_stream.h
View file

@ -16,6 +16,7 @@
#include "common/polyfill_thread.h"
#include "common/reader_writer_queue.h"
#include "common/ring_buffer.h"
#include "common/scratch_buffer.h"
#include "common/thread.h"
namespace Core {
@ -170,7 +171,7 @@ public:
* @param buffer - Audio buffer information to be queued.
* @param samples - The s16 samples to be queue for playback.
*/
virtual void AppendBuffer(SinkBuffer& buffer, std::vector<s16>& samples);
virtual void AppendBuffer(SinkBuffer& buffer, std::span<s16> samples);
/**
* Release a buffer. Audio In only, will fill a buffer with recorded samples.
@ -255,6 +256,8 @@ private:
/// Signalled when ring buffer entries are consumed
std::condition_variable_any release_cv;
std::mutex release_mutex;
/// Temporary buffer for appending samples when upmixing
Common::ScratchBuffer<s16> tmp_samples{};
};
using SinkStreamPtr = std::unique_ptr<SinkStream>;