Merge branch 'clang-format-adjustments' into 'master'

cxx: clang-format adjustments

See merge request KartKrew/Kart!880
This commit is contained in:
James R 2023-01-12 19:09:00 -08:00
commit d5302d9e5d
38 changed files with 849 additions and 411 deletions

View file

@ -6,6 +6,8 @@ UseTab: Always
TabWidth: 4
ColumnLimit: 120
AccessModifierOffset: -4
AllowAllArgumentsOnNextLine: false
AllowAllParametersOfDeclarationOnNextLine: false
AllowShortBlocksOnASingleLine: false
AllowShortCaseLabelsOnASingleLine: false
AllowShortEnumsOnASingleLine: false
@ -13,10 +15,11 @@ AllowShortFunctionsOnASingleLine: InlineOnly
AllowShortIfStatementsOnASingleLine: false
AllowShortLambdasOnASingleLine: All
AllowShortLoopsOnASingleLine: false
AlignAfterOpenBracket: BlockIndent
AlwaysBreakTemplateDeclarations: Yes
BinPackArguments: false
BinPackParameters: false
BreakBeforeBraces: Attach # K&R/OTBS, braces on same line, Java style
BreakBeforeBraces: Allman # Always break before braces, to match existing SRB2 code
BreakConstructorInitializers: BeforeComma
CompactNamespaces: true
ConstructorInitializerAllOnOneLineOrOnePerLine: true

View file

@ -30,20 +30,26 @@ using std::size_t;
using namespace srb2::audio;
using namespace srb2;
namespace {
namespace
{
// Utility for leveraging Resampler...
class SoundChunkSource : public Source<1> {
class SoundChunkSource : public Source<1>
{
public:
explicit SoundChunkSource(std::unique_ptr<SoundChunk>&& chunk)
: chunk_(std::forward<std::unique_ptr<SoundChunk>>(chunk)) {}
: chunk_(std::forward<std::unique_ptr<SoundChunk>>(chunk))
{
}
virtual size_t generate(tcb::span<Sample<1>> buffer) override final {
virtual size_t generate(tcb::span<Sample<1>> buffer) override final
{
if (!chunk_)
return 0;
size_t written = 0;
for (; pos_ < chunk_->samples.size() && written < buffer.size(); pos_++) {
for (; pos_ < chunk_->samples.size() && written < buffer.size(); pos_++)
{
buffer[written] = chunk_->samples[pos_];
written++;
}
@ -56,13 +62,15 @@ private:
};
template <class I>
std::vector<Sample<1>> generate_to_vec(I& source, std::size_t estimate = 0) {
std::vector<Sample<1>> generate_to_vec(I& source, std::size_t estimate = 0)
{
std::vector<Sample<1>> generated;
size_t total = 0;
size_t read = 0;
generated.reserve(estimate);
do {
do
{
generated.resize(total + 4096);
read = source.generate(tcb::span {generated.data() + total, 4096});
total += read;
@ -71,7 +79,8 @@ std::vector<Sample<1>> generate_to_vec(I& source, std::size_t estimate = 0) {
return generated;
}
optional<SoundChunk> try_load_dmx(tcb::span<std::byte> data) {
optional<SoundChunk> try_load_dmx(tcb::span<std::byte> data)
{
io::SpanStream stream {data};
if (io::remaining(stream) < 8)
@ -90,14 +99,16 @@ optional<SoundChunk> try_load_dmx(tcb::span<std::byte> data) {
stream.seek(io::SeekFrom::kCurrent, 16);
std::vector<Sample<1>> samples;
for (size_t i = 0; i < length; i++) {
for (size_t i = 0; i < length; i++)
{
uint8_t doom_sample = io::read_uint8(stream);
float float_sample = audio::sample_to_float(doom_sample);
samples.push_back(Sample<1> {float_sample});
}
size_t samples_len = samples.size();
if (rate == 44100) {
if (rate == 44100)
{
return SoundChunk {samples};
}
@ -110,7 +121,8 @@ optional<SoundChunk> try_load_dmx(tcb::span<std::byte> data) {
size_t total = 0;
size_t read = 0;
resampled.reserve(samples_len * (static_cast<float>(kSampleRate) / rate));
do {
do
{
resampled.resize(total + 4096);
read = resampler.generate(tcb::span {resampled.data() + total, 4096});
total += read;
@ -120,34 +132,44 @@ optional<SoundChunk> try_load_dmx(tcb::span<std::byte> data) {
return SoundChunk {std::move(resampled)};
}
optional<SoundChunk> try_load_wav(tcb::span<std::byte> data) {
optional<SoundChunk> try_load_wav(tcb::span<std::byte> data)
{
io::SpanStream stream {data};
audio::Wav wav;
std::size_t sample_rate;
try {
try
{
wav = audio::load_wav(stream);
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
return nullopt;
}
sample_rate = wav.sample_rate();
audio::Resampler<1> resampler(std::make_unique<WavPlayer>(std::move(wav)),
sample_rate / static_cast<float>(kSampleRate));
audio::Resampler<1> resampler(
std::make_unique<WavPlayer>(std::move(wav)),
sample_rate / static_cast<float>(kSampleRate)
);
SoundChunk chunk {generate_to_vec(resampler)};
return chunk;
}
optional<SoundChunk> try_load_ogg(tcb::span<std::byte> data) {
optional<SoundChunk> try_load_ogg(tcb::span<std::byte> data)
{
std::shared_ptr<audio::OggPlayer<1>> player;
try {
try
{
io::SpanStream data_stream {data};
audio::Ogg ogg = audio::load_ogg(data_stream);
player = std::make_shared<audio::OggPlayer<1>>(std::move(ogg));
} catch (...) {
}
catch (...)
{
return nullopt;
}
player->looping(false);
@ -161,19 +183,26 @@ optional<SoundChunk> try_load_ogg(tcb::span<std::byte> data) {
return chunk;
}
optional<SoundChunk> try_load_gme(tcb::span<std::byte> data) {
optional<SoundChunk> try_load_gme(tcb::span<std::byte> data)
{
std::shared_ptr<audio::GmePlayer<1>> player;
try {
if (data[0] == std::byte {0x1F} && data[1] == std::byte {0x8B}) {
try
{
if (data[0] == std::byte {0x1F} && data[1] == std::byte {0x8B})
{
io::SpanStream stream {data};
audio::Gme gme = audio::load_gme(stream);
player = std::make_shared<GmePlayer<1>>(std::move(gme));
} else {
}
else
{
io::ZlibInputStream stream {io::SpanStream(data)};
audio::Gme gme = audio::load_gme(stream);
player = std::make_shared<GmePlayer<1>>(std::move(gme));
}
} catch (...) {
}
catch (...)
{
return nullopt;
}
std::vector<Sample<1>> samples {generate_to_vec(*player)};
@ -183,7 +212,8 @@ optional<SoundChunk> try_load_gme(tcb::span<std::byte> data) {
} // namespace
optional<SoundChunk> srb2::audio::try_load_chunk(tcb::span<std::byte> data) {
optional<SoundChunk> srb2::audio::try_load_chunk(tcb::span<std::byte> data)
{
optional<SoundChunk> ret;
ret = try_load_dmx(data);

View file

@ -17,7 +17,8 @@
#include "sound_chunk.hpp"
namespace srb2::audio {
namespace srb2::audio
{
/// @brief Try to load a chunk from the given byte span.
std::optional<SoundChunk> try_load_chunk(tcb::span<std::byte> data);

View file

@ -17,8 +17,10 @@ using namespace srb2::audio;
ExpandMono::~ExpandMono() = default;
size_t ExpandMono::filter(tcb::span<Sample<1>> input_buffer, tcb::span<Sample<2>> buffer) {
for (size_t i = 0; i < std::min(input_buffer.size(), buffer.size()); i++) {
size_t ExpandMono::filter(tcb::span<Sample<1>> input_buffer, tcb::span<Sample<2>> buffer)
{
for (size_t i = 0; i < std::min(input_buffer.size(), buffer.size()); i++)
{
buffer[i].amplitudes[0] = input_buffer[i].amplitudes[0];
buffer[i].amplitudes[1] = input_buffer[i].amplitudes[0];
}

View file

@ -14,9 +14,11 @@
#include "filter.hpp"
namespace srb2::audio {
namespace srb2::audio
{
class ExpandMono : public Filter<1, 2> {
class ExpandMono : public Filter<1, 2>
{
public:
virtual ~ExpandMono();
virtual std::size_t filter(tcb::span<Sample<1>> input_buffer, tcb::span<Sample<2>> buffer) override final;

View file

@ -17,7 +17,8 @@ using srb2::audio::Sample;
using srb2::audio::Source;
template <size_t IC, size_t OC>
size_t Filter<IC, OC>::generate(tcb::span<Sample<OC>> buffer) {
size_t Filter<IC, OC>::generate(tcb::span<Sample<OC>> buffer)
{
input_buffer_.clear();
input_buffer_.resize(buffer.size());
@ -27,7 +28,8 @@ size_t Filter<IC, OC>::generate(tcb::span<Sample<OC>> buffer) {
}
template <size_t IC, size_t OC>
void Filter<IC, OC>::bind(const shared_ptr<Source<IC>>& input) {
void Filter<IC, OC>::bind(const shared_ptr<Source<IC>>& input)
{
input_ = input;
}

View file

@ -18,10 +18,12 @@
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t IC, size_t OC>
class Filter : public Source<OC> {
class Filter : public Source<OC>
{
public:
virtual std::size_t generate(tcb::span<Sample<OC>> buffer) override;

View file

@ -20,9 +20,11 @@ using srb2::audio::Sample;
constexpr const float kGainInterpolationAlpha = 0.8f;
template <size_t C>
size_t Gain<C>::filter(tcb::span<Sample<C>> input_buffer, tcb::span<Sample<C>> buffer) {
size_t Gain<C>::filter(tcb::span<Sample<C>> input_buffer, tcb::span<Sample<C>> buffer)
{
size_t written = std::min(buffer.size(), input_buffer.size());
for (size_t i = 0; i < written; i++) {
for (size_t i = 0; i < written; i++)
{
buffer[i] = input_buffer[i];
buffer[i] *= gain_;
gain_ += (new_gain_ - gain_) * kGainInterpolationAlpha;
@ -32,7 +34,8 @@ size_t Gain<C>::filter(tcb::span<Sample<C>> input_buffer, tcb::span<Sample<C>> b
}
template <size_t C>
void Gain<C>::gain(float new_gain) {
void Gain<C>::gain(float new_gain)
{
new_gain_ = std::clamp(new_gain, 0.0f, 1.0f);
}

View file

@ -14,10 +14,12 @@
#include "filter.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
class Gain : public Filter<C, C> {
class Gain : public Filter<C, C>
{
public:
virtual std::size_t filter(tcb::span<Sample<C>> input_buffer, tcb::span<Sample<C>> buffer) override final;
void gain(float new_gain);

View file

@ -17,37 +17,45 @@
using namespace srb2;
using namespace srb2::audio;
Gme::Gme() : memory_data_(), instance_(nullptr) {
Gme::Gme() : memory_data_(), instance_(nullptr)
{
}
Gme::Gme(Gme&& rhs) noexcept : memory_data_(), instance_(nullptr) {
Gme::Gme(Gme&& rhs) noexcept : memory_data_(), instance_(nullptr)
{
std::swap(memory_data_, rhs.memory_data_);
std::swap(instance_, rhs.instance_);
}
Gme::Gme(std::vector<std::byte>&& data) : memory_data_(std::move(data)), instance_(nullptr) {
Gme::Gme(std::vector<std::byte>&& data) : memory_data_(std::move(data)), instance_(nullptr)
{
_init_with_data();
}
Gme::Gme(tcb::span<std::byte> data) : memory_data_(data.begin(), data.end()), instance_(nullptr) {
Gme::Gme(tcb::span<std::byte> data) : memory_data_(data.begin(), data.end()), instance_(nullptr)
{
_init_with_data();
}
Gme& Gme::operator=(Gme&& rhs) noexcept {
Gme& Gme::operator=(Gme&& rhs) noexcept
{
std::swap(memory_data_, rhs.memory_data_);
std::swap(instance_, rhs.instance_);
return *this;
}
Gme::~Gme() {
if (instance_) {
Gme::~Gme()
{
if (instance_)
{
gme_delete(instance_);
instance_ = nullptr;
}
}
std::size_t Gme::get_samples(tcb::span<short> buffer) {
std::size_t Gme::get_samples(tcb::span<short> buffer)
{
SRB2_ASSERT(instance_ != nullptr);
gme_err_t err = gme_play(instance_, buffer.size(), buffer.data());
@ -57,13 +65,15 @@ std::size_t Gme::get_samples(tcb::span<short> buffer) {
return buffer.size();
}
void Gme::seek(int sample) {
void Gme::seek(int sample)
{
SRB2_ASSERT(instance_ != nullptr);
gme_seek_samples(instance_, sample);
}
std::optional<float> Gme::duration_seconds() const {
std::optional<float> Gme::duration_seconds() const
{
SRB2_ASSERT(instance_ != nullptr);
gme_info_t* info = nullptr;
@ -79,7 +89,8 @@ std::optional<float> Gme::duration_seconds() const {
return static_cast<float>(info->length) / 1000.f;
}
std::optional<float> Gme::loop_point_seconds() const {
std::optional<float> Gme::loop_point_seconds() const
{
SRB2_ASSERT(instance_ != nullptr);
gme_info_t* info = nullptr;
@ -95,7 +106,8 @@ std::optional<float> Gme::loop_point_seconds() const {
return loop_point_ms / 44100.f;
}
float Gme::position_seconds() const {
float Gme::position_seconds() const
{
SRB2_ASSERT(instance_ != nullptr);
gme_info_t* info = nullptr;
@ -117,8 +129,10 @@ float Gme::position_seconds() const {
return position / 1000.f;
}
void Gme::_init_with_data() {
if (instance_) {
void Gme::_init_with_data()
{
if (instance_)
{
return;
}

View file

@ -24,9 +24,11 @@
#include "../io/streams.hpp"
namespace srb2::audio {
namespace srb2::audio
{
class GmeException : public std::exception {
class GmeException : public std::exception
{
std::string msg_;
public:
@ -35,7 +37,8 @@ public:
virtual const char* what() const noexcept override { return msg_.c_str(); }
};
class Gme {
class Gme
{
std::vector<std::byte> memory_data_;
Music_Emu* instance_;
@ -64,7 +67,8 @@ private:
};
template <typename I, typename std::enable_if_t<srb2::io::IsInputStreamV<I>, int> = 0>
inline Gme load_gme(I& stream) {
inline Gme load_gme(I& stream)
{
std::vector<std::byte> data = srb2::io::read_to_vec(stream);
return Gme {std::move(data)};
}

View file

@ -13,7 +13,8 @@ using namespace srb2;
using namespace srb2::audio;
template <size_t C>
GmePlayer<C>::GmePlayer(Gme&& gme) : gme_(std::forward<Gme>(gme)), buf_() {
GmePlayer<C>::GmePlayer(Gme&& gme) : gme_(std::forward<Gme>(gme)), buf_()
{
}
template <size_t C>
@ -26,17 +27,22 @@ template <size_t C>
GmePlayer<C>::~GmePlayer() = default;
template <size_t C>
std::size_t GmePlayer<C>::generate(tcb::span<Sample<C>> buffer) {
std::size_t GmePlayer<C>::generate(tcb::span<Sample<C>> buffer)
{
buf_.clear();
buf_.resize(buffer.size() * 2);
std::size_t read = gme_.get_samples(tcb::make_span(buf_));
buf_.resize(read);
std::size_t new_samples = std::min((read / 2), buffer.size());
for (std::size_t i = 0; i < new_samples; i++) {
if constexpr (C == 1) {
for (std::size_t i = 0; i < new_samples; i++)
{
if constexpr (C == 1)
{
buffer[i].amplitudes[0] = (buf_[i * 2] / 32768.f + buf_[i * 2 + 1] / 32768.f) / 2.f;
} else if constexpr (C == 2) {
}
else if constexpr (C == 2)
{
buffer[i].amplitudes[0] = buf_[i * 2] / 32768.f;
buffer[i].amplitudes[1] = buf_[i * 2 + 1] / 32768.f;
}
@ -45,27 +51,32 @@ std::size_t GmePlayer<C>::generate(tcb::span<Sample<C>> buffer) {
}
template <size_t C>
void GmePlayer<C>::seek(float position_seconds) {
void GmePlayer<C>::seek(float position_seconds)
{
gme_.seek(static_cast<std::size_t>(position_seconds * 44100.f));
}
template <size_t C>
void GmePlayer<C>::reset() {
void GmePlayer<C>::reset()
{
gme_.seek(0);
}
template <size_t C>
std::optional<float> GmePlayer<C>::duration_seconds() const {
std::optional<float> GmePlayer<C>::duration_seconds() const
{
return gme_.duration_seconds();
}
template <size_t C>
std::optional<float> GmePlayer<C>::loop_point_seconds() const {
std::optional<float> GmePlayer<C>::loop_point_seconds() const
{
return gme_.loop_point_seconds();
}
template <size_t C>
float GmePlayer<C>::position_seconds() const {
float GmePlayer<C>::position_seconds() const
{
return gme_.position_seconds();
}

View file

@ -15,10 +15,12 @@
#include "gme.hpp"
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
class GmePlayer : public Source<C> {
class GmePlayer : public Source<C>
{
Gme gme_;
std::vector<short> buf_;

View file

@ -18,16 +18,20 @@ using srb2::audio::Mixer;
using srb2::audio::Sample;
using srb2::audio::Source;
namespace {
namespace
{
template <size_t C>
void default_init_sample_buffer(Sample<C>* buffer, size_t size) {
void default_init_sample_buffer(Sample<C>* buffer, size_t size)
{
std::for_each(buffer, buffer + size, [](auto& i) { i = Sample<C> {}; });
}
template <size_t C>
void mix_sample_buffers(Sample<C>* dst, size_t size, Sample<C>* src, size_t src_size) {
for (size_t i = 0; i < size && i < src_size; i++) {
void mix_sample_buffers(Sample<C>* dst, size_t size, Sample<C>* src, size_t src_size)
{
for (size_t i = 0; i < size && i < src_size; i++)
{
dst[i] += src[i];
}
}
@ -35,12 +39,14 @@ void mix_sample_buffers(Sample<C>* dst, size_t size, Sample<C>* src, size_t src_
} // namespace
template <size_t C>
size_t Mixer<C>::generate(tcb::span<Sample<C>> buffer) {
size_t Mixer<C>::generate(tcb::span<Sample<C>> buffer)
{
buffer_.resize(buffer.size());
default_init_sample_buffer<C>(buffer.data(), buffer.size());
for (auto& source : sources_) {
for (auto& source : sources_)
{
size_t read = source->generate(buffer_);
mix_sample_buffers<C>(buffer.data(), buffer.size(), buffer_.data(), read);
@ -51,7 +57,8 @@ size_t Mixer<C>::generate(tcb::span<Sample<C>> buffer) {
}
template <size_t C>
void Mixer<C>::add_source(const shared_ptr<Source<C>>& source) {
void Mixer<C>::add_source(const shared_ptr<Source<C>>& source)
{
sources_.push_back(source);
}

View file

@ -17,10 +17,12 @@
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
class Mixer : public Source<C> {
class Mixer : public Source<C>
{
public:
virtual std::size_t generate(tcb::span<Sample<C>> buffer) override final;

View file

@ -43,12 +43,14 @@ using srb2::audio::Sample;
using srb2::audio::Source;
using namespace srb2;
class MusicPlayer::Impl {
class MusicPlayer::Impl
{
public:
Impl() = default;
Impl(tcb::span<std::byte> data) : Impl() { _load(data); }
size_t generate(tcb::span<Sample<2>> buffer) {
size_t generate(tcb::span<Sample<2>> buffer)
{
if (!resampler_)
return 0;
@ -57,12 +59,14 @@ public:
size_t total_written = 0;
while (total_written < buffer.size()) {
while (total_written < buffer.size())
{
const size_t generated = resampler_->generate(buffer.subspan(total_written));
// To avoid a branch preventing optimizations, we're always going to apply
// the fade gain, even if it would clamp anyway.
for (std::size_t i = 0; i < generated; i++) {
for (std::size_t i = 0; i < generated; i++)
{
const float alpha = 1.0 - (gain_samples_target_ - std::min(gain_samples_ + i, gain_samples_target_)) /
static_cast<double>(gain_samples_target_);
const float fade_gain = (gain_target_ - gain_) * std::clamp(alpha, 0.f, 1.f) + gain_;
@ -71,7 +75,8 @@ public:
gain_samples_ = std::min(gain_samples_ + generated, gain_samples_target_);
if (gain_samples_ >= gain_samples_target_) {
if (gain_samples_ >= gain_samples_target_)
{
fading_ = false;
gain_samples_ = gain_samples_target_;
gain_ = gain_target_;
@ -79,7 +84,8 @@ public:
total_written += generated;
if (generated == 0) {
if (generated == 0)
{
playing_ = false;
break;
}
@ -88,53 +94,68 @@ public:
return total_written;
}
void _load(tcb::span<std::byte> data) {
void _load(tcb::span<std::byte> data)
{
ogg_inst_ = nullptr;
gme_inst_ = nullptr;
xmp_inst_ = nullptr;
resampler_ = std::nullopt;
try {
try
{
io::SpanStream stream {data};
audio::Ogg ogg = audio::load_ogg(stream);
ogg_inst_ = std::make_shared<audio::OggPlayer<2>>(std::move(ogg));
ogg_inst_->looping(looping_);
resampler_ = Resampler<2>(ogg_inst_, ogg_inst_->sample_rate() / 44100.f);
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
// it's probably not ogg
ogg_inst_ = nullptr;
resampler_ = std::nullopt;
}
if (!resampler_) {
try {
if (data[0] == std::byte {0x1F} && data[1] == std::byte {0x8B}) {
if (!resampler_)
{
try
{
if (data[0] == std::byte {0x1F} && data[1] == std::byte {0x8B})
{
io::ZlibInputStream stream {io::SpanStream(data)};
audio::Gme gme = audio::load_gme(stream);
gme_inst_ = std::make_shared<GmePlayer<2>>(std::move(gme));
} else {
}
else
{
io::SpanStream stream {data};
audio::Gme gme = audio::load_gme(stream);
gme_inst_ = std::make_shared<GmePlayer<2>>(std::move(gme));
}
resampler_ = Resampler<2>(gme_inst_, 1.f);
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
// it's probably not gme
gme_inst_ = nullptr;
resampler_ = std::nullopt;
}
}
if (!resampler_) {
try {
if (!resampler_)
{
try
{
io::SpanStream stream {data};
audio::Xmp<2> xmp = audio::load_xmp<2>(stream);
xmp_inst_ = std::make_shared<XmpPlayer<2>>(std::move(xmp));
xmp_inst_->looping(looping_);
resampler_ = Resampler<2>(xmp_inst_, 1.f);
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
// it's probably not xmp
xmp_inst_ = nullptr;
resampler_ = std::nullopt;
@ -146,74 +167,103 @@ public:
internal_gain(1.f);
}
void play(bool looping) {
if (ogg_inst_) {
void play(bool looping)
{
if (ogg_inst_)
{
ogg_inst_->looping(looping);
ogg_inst_->playing(true);
playing_ = true;
ogg_inst_->reset();
} else if (gme_inst_) {
}
else if (gme_inst_)
{
playing_ = true;
gme_inst_->reset();
} else if (xmp_inst_) {
}
else if (xmp_inst_)
{
xmp_inst_->looping(looping);
playing_ = true;
xmp_inst_->reset();
}
}
void unpause() {
if (ogg_inst_) {
void unpause()
{
if (ogg_inst_)
{
ogg_inst_->playing(true);
playing_ = true;
} else if (gme_inst_) {
}
else if (gme_inst_)
{
playing_ = true;
} else if (xmp_inst_) {
}
else if (xmp_inst_)
{
playing_ = true;
}
}
void pause() {
if (ogg_inst_) {
void pause()
{
if (ogg_inst_)
{
ogg_inst_->playing(false);
playing_ = false;
} else if (gme_inst_) {
}
else if (gme_inst_)
{
playing_ = false;
} else if (xmp_inst_) {
}
else if (xmp_inst_)
{
playing_ = false;
}
}
void stop() {
if (ogg_inst_) {
void stop()
{
if (ogg_inst_)
{
ogg_inst_->reset();
ogg_inst_->playing(false);
playing_ = false;
} else if (gme_inst_) {
}
else if (gme_inst_)
{
gme_inst_->reset();
playing_ = false;
} else if (xmp_inst_) {
}
else if (xmp_inst_)
{
xmp_inst_->reset();
playing_ = false;
}
}
void seek(float position_seconds) {
if (ogg_inst_) {
void seek(float position_seconds)
{
if (ogg_inst_)
{
ogg_inst_->seek(position_seconds);
return;
}
if (gme_inst_) {
if (gme_inst_)
{
gme_inst_->seek(position_seconds);
return;
}
if (xmp_inst_) {
if (xmp_inst_)
{
xmp_inst_->seek(position_seconds);
return;
}
}
bool playing() const {
bool playing() const
{
if (ogg_inst_)
return ogg_inst_->playing();
else if (gme_inst_)
@ -224,7 +274,8 @@ public:
return false;
}
std::optional<audio::MusicType> music_type() const {
std::optional<audio::MusicType> music_type() const
{
if (ogg_inst_)
return audio::MusicType::kOgg;
else if (gme_inst_)
@ -235,7 +286,8 @@ public:
return std::nullopt;
}
std::optional<float> duration_seconds() const {
std::optional<float> duration_seconds() const
{
if (ogg_inst_)
return ogg_inst_->duration_seconds();
if (gme_inst_)
@ -246,7 +298,8 @@ public:
return std::nullopt;
}
std::optional<float> loop_point_seconds() const {
std::optional<float> loop_point_seconds() const
{
if (ogg_inst_)
return ogg_inst_->loop_point_seconds();
if (gme_inst_)
@ -255,7 +308,8 @@ public:
return std::nullopt;
}
std::optional<float> position_seconds() const {
std::optional<float> position_seconds() const
{
if (ogg_inst_)
return ogg_inst_->position_seconds();
if (gme_inst_)
@ -266,13 +320,14 @@ public:
void fade_to(float gain, float seconds) { fade_from_to(gain_target_, gain, seconds); }
void fade_from_to(float from, float to, float seconds) {
void fade_from_to(float from, float to, float seconds)
{
fading_ = true;
gain_ = from;
gain_target_ = to;
// Gain samples target must always be at least 1 to avoid a div-by-zero.
gain_samples_target_ = std::max(
static_cast<uint64_t>(seconds * 44100.f), UINT64_C(1)); // UINT64_C generates a uint64_t literal
gain_samples_target_ =
std::max(static_cast<uint64_t>(seconds * 44100.f), UINT64_C(1)); // UINT64_C generates a uint64_t literal
gain_samples_ = 0;
}
@ -280,12 +335,14 @@ public:
void stop_fade() { internal_gain(gain_target_); }
void loop_point_seconds(float loop_point) {
void loop_point_seconds(float loop_point)
{
if (ogg_inst_)
ogg_inst_->loop_point_seconds(loop_point);
}
void internal_gain(float gain) {
void internal_gain(float gain)
{
fading_ = false;
gain_ = gain;
gain_target_ = gain;
@ -310,112 +367,131 @@ private:
};
// The special member functions MUST be declared in this unit, where Impl is complete.
MusicPlayer::MusicPlayer() : impl_(make_unique<MusicPlayer::Impl>()) {
MusicPlayer::MusicPlayer() : impl_(make_unique<MusicPlayer::Impl>())
{
}
MusicPlayer::MusicPlayer(tcb::span<std::byte> data) : impl_(make_unique<MusicPlayer::Impl>(data)) {
MusicPlayer::MusicPlayer(tcb::span<std::byte> data) : impl_(make_unique<MusicPlayer::Impl>(data))
{
}
MusicPlayer::MusicPlayer(MusicPlayer&& rhs) noexcept = default;
MusicPlayer& MusicPlayer::operator=(MusicPlayer&& rhs) noexcept = default;
MusicPlayer::~MusicPlayer() = default;
void MusicPlayer::play(bool looping) {
void MusicPlayer::play(bool looping)
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->play(looping);
}
void MusicPlayer::unpause() {
void MusicPlayer::unpause()
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->unpause();
}
void MusicPlayer::pause() {
void MusicPlayer::pause()
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->pause();
}
void MusicPlayer::stop() {
void MusicPlayer::stop()
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->stop();
}
void MusicPlayer::seek(float position_seconds) {
void MusicPlayer::seek(float position_seconds)
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->seek(position_seconds);
}
bool MusicPlayer::playing() const {
bool MusicPlayer::playing() const
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->playing();
}
size_t MusicPlayer::generate(tcb::span<Sample<2>> buffer) {
size_t MusicPlayer::generate(tcb::span<Sample<2>> buffer)
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->generate(buffer);
}
std::optional<audio::MusicType> MusicPlayer::music_type() const {
std::optional<audio::MusicType> MusicPlayer::music_type() const
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->music_type();
}
std::optional<float> MusicPlayer::duration_seconds() const {
std::optional<float> MusicPlayer::duration_seconds() const
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->duration_seconds();
}
std::optional<float> MusicPlayer::loop_point_seconds() const {
std::optional<float> MusicPlayer::loop_point_seconds() const
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->loop_point_seconds();
}
std::optional<float> MusicPlayer::position_seconds() const {
std::optional<float> MusicPlayer::position_seconds() const
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->position_seconds();
}
void MusicPlayer::fade_to(float gain, float seconds) {
void MusicPlayer::fade_to(float gain, float seconds)
{
SRB2_ASSERT(impl_ != nullptr);
impl_->fade_to(gain, seconds);
}
void MusicPlayer::fade_from_to(float from, float to, float seconds) {
void MusicPlayer::fade_from_to(float from, float to, float seconds)
{
SRB2_ASSERT(impl_ != nullptr);
impl_->fade_from_to(from, to, seconds);
}
void MusicPlayer::internal_gain(float gain) {
void MusicPlayer::internal_gain(float gain)
{
SRB2_ASSERT(impl_ != nullptr);
impl_->internal_gain(gain);
}
bool MusicPlayer::fading() const {
bool MusicPlayer::fading() const
{
SRB2_ASSERT(impl_ != nullptr);
return impl_->fading();
}
void MusicPlayer::stop_fade() {
void MusicPlayer::stop_fade()
{
SRB2_ASSERT(impl_ != nullptr);
impl_->stop_fade();
}
void MusicPlayer::loop_point_seconds(float loop_point) {
void MusicPlayer::loop_point_seconds(float loop_point)
{
SRB2_ASSERT(impl_ != nullptr);
impl_->loop_point_seconds(loop_point);

View file

@ -19,15 +19,18 @@
struct stb_vorbis;
namespace srb2::audio {
namespace srb2::audio
{
enum class MusicType {
enum class MusicType
{
kOgg,
kGme,
kMod
};
class MusicPlayer : public Source<2> {
class MusicPlayer : public Source<2>
{
public:
MusicPlayer();
MusicPlayer(tcb::span<std::byte> data);

View file

@ -16,11 +16,14 @@
using namespace srb2;
using namespace srb2::audio;
StbVorbisException::StbVorbisException(int code) noexcept : code_(code) {
StbVorbisException::StbVorbisException(int code) noexcept : code_(code)
{
}
const char* StbVorbisException::what() const noexcept {
switch (code_) {
const char* StbVorbisException::what() const noexcept
{
switch (code_)
{
case VORBIS__no_error:
return "No error";
case VORBIS_need_more_data:
@ -68,54 +71,73 @@ const char* StbVorbisException::what() const noexcept {
}
}
Ogg::Ogg() noexcept : memory_data_(), instance_(nullptr) {
Ogg::Ogg() noexcept : memory_data_(), instance_(nullptr)
{
}
Ogg::Ogg(std::vector<std::byte> data) : memory_data_(std::move(data)), instance_(nullptr) {
Ogg::Ogg(std::vector<std::byte> data) : memory_data_(std::move(data)), instance_(nullptr)
{
_init_with_data();
}
Ogg::Ogg(tcb::span<std::byte> data) : memory_data_(data.begin(), data.end()), instance_(nullptr) {
Ogg::Ogg(tcb::span<std::byte> data) : memory_data_(data.begin(), data.end()), instance_(nullptr)
{
_init_with_data();
}
Ogg::Ogg(Ogg&& rhs) noexcept : memory_data_(), instance_(nullptr) {
Ogg::Ogg(Ogg&& rhs) noexcept : memory_data_(), instance_(nullptr)
{
std::swap(memory_data_, rhs.memory_data_);
std::swap(instance_, rhs.instance_);
}
Ogg& Ogg::operator=(Ogg&& rhs) noexcept {
Ogg& Ogg::operator=(Ogg&& rhs) noexcept
{
std::swap(memory_data_, rhs.memory_data_);
std::swap(instance_, rhs.instance_);
return *this;
}
Ogg::~Ogg() {
if (instance_) {
Ogg::~Ogg()
{
if (instance_)
{
stb_vorbis_close(instance_);
instance_ = nullptr;
}
}
std::size_t Ogg::get_samples(tcb::span<Sample<1>> buffer) {
std::size_t Ogg::get_samples(tcb::span<Sample<1>> buffer)
{
SRB2_ASSERT(instance_ != nullptr);
size_t read = stb_vorbis_get_samples_float_interleaved(
instance_, 1, reinterpret_cast<float*>(buffer.data()), buffer.size() * 1);
instance_,
1,
reinterpret_cast<float*>(buffer.data()),
buffer.size() * 1
);
return read;
}
std::size_t Ogg::get_samples(tcb::span<Sample<2>> buffer) {
std::size_t Ogg::get_samples(tcb::span<Sample<2>> buffer)
{
SRB2_ASSERT(instance_ != nullptr);
size_t read = stb_vorbis_get_samples_float_interleaved(
instance_, 2, reinterpret_cast<float*>(buffer.data()), buffer.size() * 2);
instance_,
2,
reinterpret_cast<float*>(buffer.data()),
buffer.size() * 2
);
stb_vorbis_info info = stb_vorbis_get_info(instance_);
if (info.channels == 1) {
for (auto& sample : buffer.subspan(0, read)) {
if (info.channels == 1)
{
for (auto& sample : buffer.subspan(0, read))
{
sample.amplitudes[1] = sample.amplitudes[0];
}
}
@ -123,7 +145,8 @@ std::size_t Ogg::get_samples(tcb::span<Sample<2>> buffer) {
return read;
}
OggComment Ogg::comment() const {
OggComment Ogg::comment() const
{
SRB2_ASSERT(instance_ != nullptr);
stb_vorbis_comment c_comment = stb_vorbis_get_comment(instance_);
@ -133,50 +156,59 @@ OggComment Ogg::comment() const {
std::vector<std::string>(c_comment.comment_list, c_comment.comment_list + c_comment.comment_list_length)};
}
std::size_t Ogg::sample_rate() const {
std::size_t Ogg::sample_rate() const
{
SRB2_ASSERT(instance_ != nullptr);
stb_vorbis_info info = stb_vorbis_get_info(instance_);
return info.sample_rate;
}
void Ogg::seek(std::size_t sample) {
void Ogg::seek(std::size_t sample)
{
SRB2_ASSERT(instance_ != nullptr);
stb_vorbis_seek(instance_, sample);
}
std::size_t Ogg::position() const {
std::size_t Ogg::position() const
{
SRB2_ASSERT(instance_ != nullptr);
return stb_vorbis_get_sample_offset(instance_);
}
float Ogg::position_seconds() const {
float Ogg::position_seconds() const
{
return position() / static_cast<float>(sample_rate());
}
std::size_t Ogg::duration_samples() const {
std::size_t Ogg::duration_samples() const
{
SRB2_ASSERT(instance_ != nullptr);
return stb_vorbis_stream_length_in_samples(instance_);
}
float Ogg::duration_seconds() const {
float Ogg::duration_seconds() const
{
SRB2_ASSERT(instance_ != nullptr);
return stb_vorbis_stream_length_in_seconds(instance_);
}
std::size_t Ogg::channels() const {
std::size_t Ogg::channels() const
{
SRB2_ASSERT(instance_ != nullptr);
stb_vorbis_info info = stb_vorbis_get_info(instance_);
return info.channels;
}
void Ogg::_init_with_data() {
if (instance_) {
void Ogg::_init_with_data()
{
if (instance_)
{
return;
}
@ -187,7 +219,11 @@ void Ogg::_init_with_data() {
int vorbis_result;
instance_ = stb_vorbis_open_memory(
reinterpret_cast<const unsigned char*>(memory_data_.data()), memory_data_.size(), &vorbis_result, NULL);
reinterpret_cast<const unsigned char*>(memory_data_.data()),
memory_data_.size(),
&vorbis_result,
NULL
);
if (vorbis_result != VORBIS__no_error)
throw StbVorbisException(vorbis_result);

View file

@ -20,9 +20,11 @@
#include "../io/streams.hpp"
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
class StbVorbisException final : public std::exception {
class StbVorbisException final : public std::exception
{
int code_;
public:
@ -31,12 +33,14 @@ public:
virtual const char* what() const noexcept;
};
struct OggComment {
struct OggComment
{
std::string vendor;
std::vector<std::string> comments;
};
class Ogg final {
class Ogg final
{
std::vector<std::byte> memory_data_;
stb_vorbis* instance_;
@ -71,7 +75,8 @@ private:
};
template <typename I, typename std::enable_if_t<srb2::io::IsInputStreamV<I>, int> = 0>
inline Ogg load_ogg(I& stream) {
inline Ogg load_ogg(I& stream)
{
std::vector<std::byte> data = srb2::io::read_to_vec(stream);
return Ogg {std::move(data)};
}

View file

@ -18,35 +18,46 @@
using namespace srb2;
using namespace srb2::audio;
namespace {
namespace
{
std::optional<std::size_t> find_loop_point(const Ogg& ogg) {
std::optional<std::size_t> find_loop_point(const Ogg& ogg)
{
OggComment comment = ogg.comment();
std::size_t rate = ogg.sample_rate();
for (auto& comment : comment.comments) {
if (comment.find("LOOPPOINT=") == 0) {
for (auto& comment : comment.comments)
{
if (comment.find("LOOPPOINT=") == 0)
{
std::string_view comment_view(comment);
comment_view.remove_prefix(10);
std::string copied {comment_view};
try {
try
{
int loop_point = std::stoi(copied);
return loop_point;
} catch (...) {
}
catch (...)
{
}
}
if (comment.find("LOOPMS=") == 0) {
if (comment.find("LOOPMS=") == 0)
{
std::string_view comment_view(comment);
comment_view.remove_prefix(7);
std::string copied {comment_view};
try {
try
{
int loop_ms = std::stoi(copied);
int loop_point = std::round(static_cast<double>(loop_ms) / (rate / 1000.));
return loop_point;
} catch (...) {
}
catch (...)
{
}
}
}
@ -58,7 +69,8 @@ std::optional<std::size_t> find_loop_point(const Ogg& ogg) {
template <size_t C>
OggPlayer<C>::OggPlayer(Ogg&& ogg) noexcept
: playing_(false), looping_(false), loop_point_(std::nullopt), ogg_(std::forward<Ogg>(ogg)) {
: playing_(false), looping_(false), loop_point_(std::nullopt), ogg_(std::forward<Ogg>(ogg))
{
loop_point_ = find_loop_point(ogg_);
}
@ -72,25 +84,30 @@ template <size_t C>
OggPlayer<C>::~OggPlayer() = default;
template <size_t C>
std::size_t OggPlayer<C>::generate(tcb::span<Sample<C>> buffer) {
std::size_t OggPlayer<C>::generate(tcb::span<Sample<C>> buffer)
{
if (!playing_)
return 0;
std::size_t total = 0;
do {
do
{
std::size_t read = ogg_.get_samples(buffer.subspan(total));
total += read;
if (read == 0 && !looping_) {
if (read == 0 && !looping_)
{
playing_ = false;
break;
}
if (read == 0 && loop_point_) {
if (read == 0 && loop_point_)
{
ogg_.seek(*loop_point_);
}
if (read == 0 && !loop_point_) {
if (read == 0 && !loop_point_)
{
ogg_.seek(0);
}
} while (total < buffer.size());
@ -99,33 +116,39 @@ std::size_t OggPlayer<C>::generate(tcb::span<Sample<C>> buffer) {
}
template <size_t C>
void OggPlayer<C>::seek(float position_seconds) {
void OggPlayer<C>::seek(float position_seconds)
{
ogg_.seek(static_cast<std::size_t>(position_seconds * sample_rate()));
}
template <size_t C>
void OggPlayer<C>::loop_point_seconds(float loop_point) {
void OggPlayer<C>::loop_point_seconds(float loop_point)
{
std::size_t rate = sample_rate();
loop_point = static_cast<std::size_t>(std::round(loop_point * rate));
}
template <size_t C>
void OggPlayer<C>::reset() {
void OggPlayer<C>::reset()
{
ogg_.seek(0);
}
template <size_t C>
std::size_t OggPlayer<C>::sample_rate() const {
std::size_t OggPlayer<C>::sample_rate() const
{
return ogg_.sample_rate();
}
template <size_t C>
float OggPlayer<C>::duration_seconds() const {
float OggPlayer<C>::duration_seconds() const
{
return ogg_.duration_seconds();
}
template <size_t C>
std::optional<float> OggPlayer<C>::loop_point_seconds() const {
std::optional<float> OggPlayer<C>::loop_point_seconds() const
{
if (!loop_point_)
return std::nullopt;
@ -133,7 +156,8 @@ std::optional<float> OggPlayer<C>::loop_point_seconds() const {
}
template <size_t C>
float OggPlayer<C>::position_seconds() const {
float OggPlayer<C>::position_seconds() const
{
return ogg_.position_seconds();
}

View file

@ -25,10 +25,12 @@
#include "ogg.hpp"
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
class OggPlayer final : public Source<C> {
class OggPlayer final : public Source<C>
{
bool playing_;
bool looping_;
std::optional<std::size_t> loop_point_;

View file

@ -23,7 +23,8 @@ using namespace srb2::audio;
template <size_t C>
Resampler<C>::Resampler(std::shared_ptr<Source<C>>&& source, float ratio)
: source_(std::forward<std::shared_ptr<Source<C>>>(source)), ratio_(ratio) {
: source_(std::forward<std::shared_ptr<Source<C>>>(source)), ratio_(ratio)
{
}
template <size_t C>
@ -36,11 +37,13 @@ template <size_t C>
Resampler<C>& Resampler<C>::operator=(Resampler<C>&& r) = default;
template <size_t C>
size_t Resampler<C>::generate(tcb::span<Sample<C>> buffer) {
size_t Resampler<C>::generate(tcb::span<Sample<C>> buffer)
{
if (!source_)
return 0;
if (ratio_ == 1.f) {
if (ratio_ == 1.f)
{
// fast path - generate directly from source
size_t source_read = source_->generate(buffer);
return source_read;
@ -48,21 +51,25 @@ size_t Resampler<C>::generate(tcb::span<Sample<C>> buffer) {
size_t written = 0;
while (written < buffer.size()) {
while (written < buffer.size())
{
// do we need a refill?
if (buf_.size() == 0 || pos_ >= static_cast<int>(buf_.size() - 1)) {
if (buf_.size() == 0 || pos_ >= static_cast<int>(buf_.size() - 1))
{
pos_ -= buf_.size();
last_ = buf_.size() == 0 ? Sample<C> {} : buf_.back();
buf_.clear();
buf_.resize(512);
size_t source_read = source_->generate(buf_);
buf_.resize(source_read);
if (source_read == 0) {
if (source_read == 0)
{
break;
}
}
if (pos_ < 0) {
if (pos_ < 0)
{
buffer[written] = (buf_[0] - last_) * pos_frac_ + last_;
advance(ratio_);
written++;

View file

@ -21,10 +21,12 @@
#include "sound_chunk.hpp"
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
class Resampler : public Source<C> {
class Resampler : public Source<C>
{
public:
Resampler(std::shared_ptr<Source<C>>&& source_, float ratio);
Resampler(const Resampler<C>& r) = delete;
@ -44,7 +46,8 @@ private:
int pos_ {0};
float pos_frac_ {0.f};
void advance(float samples) {
void advance(float samples)
{
pos_frac_ += samples;
float integer;
std::modf(pos_frac_, &integer);

View file

@ -12,21 +12,27 @@
#include <cstddef>
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
struct Sample {
struct Sample
{
std::array<float, C> amplitudes;
constexpr Sample& operator+=(const Sample& rhs) noexcept {
for (std::size_t i = 0; i < C; i++) {
constexpr Sample& operator+=(const Sample& rhs) noexcept
{
for (std::size_t i = 0; i < C; i++)
{
amplitudes[i] += rhs.amplitudes[i];
}
return *this;
}
constexpr Sample& operator*=(float rhs) noexcept {
for (std::size_t i = 0; i < C; i++) {
constexpr Sample& operator*=(float rhs) noexcept
{
for (std::size_t i = 0; i < C; i++)
{
amplitudes[i] *= rhs;
}
return *this;
@ -34,27 +40,33 @@ struct Sample {
};
template <size_t C>
constexpr Sample<C> operator+(const Sample<C>& lhs, const Sample<C>& rhs) noexcept {
constexpr Sample<C> operator+(const Sample<C>& lhs, const Sample<C>& rhs) noexcept
{
Sample<C> out;
for (std::size_t i = 0; i < C; i++) {
for (std::size_t i = 0; i < C; i++)
{
out.amplitudes[i] = lhs.amplitudes[i] + rhs.amplitudes[i];
}
return out;
}
template <size_t C>
constexpr Sample<C> operator-(const Sample<C>& lhs, const Sample<C>& rhs) noexcept {
constexpr Sample<C> operator-(const Sample<C>& lhs, const Sample<C>& rhs) noexcept
{
Sample<C> out;
for (std::size_t i = 0; i < C; i++) {
for (std::size_t i = 0; i < C; i++)
{
out.amplitudes[i] = lhs.amplitudes[i] - rhs.amplitudes[i];
}
return out;
}
template <size_t C>
constexpr Sample<C> operator*(const Sample<C>& lhs, float rhs) noexcept {
constexpr Sample<C> operator*(const Sample<C>& lhs, float rhs) noexcept
{
Sample<C> out;
for (std::size_t i = 0; i < C; i++) {
for (std::size_t i = 0; i < C; i++)
{
out.amplitudes[i] = lhs.amplitudes[i] * rhs;
}
return out;
@ -64,12 +76,14 @@ template <class T>
static constexpr float sample_to_float(T sample) noexcept;
template <>
constexpr float sample_to_float<uint8_t>(uint8_t sample) noexcept {
constexpr float sample_to_float<uint8_t>(uint8_t sample) noexcept
{
return (sample / 128.f) - 1.f;
}
template <>
constexpr float sample_to_float<int16_t>(int16_t sample) noexcept {
constexpr float sample_to_float<int16_t>(int16_t sample) noexcept
{
return sample / 32768.f;
}

View file

@ -14,9 +14,11 @@
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
struct SoundChunk {
struct SoundChunk
{
std::vector<Sample<1>> samples;
};

View file

@ -20,15 +20,18 @@ using srb2::audio::Sample;
using srb2::audio::SoundEffectPlayer;
using srb2::audio::Source;
size_t SoundEffectPlayer::generate(tcb::span<Sample<2>> buffer) {
size_t SoundEffectPlayer::generate(tcb::span<Sample<2>> buffer)
{
if (!chunk_)
return 0;
if (position_ >= chunk_->samples.size()) {
if (position_ >= chunk_->samples.size())
{
return 0;
}
size_t written = 0;
for (; position_ < chunk_->samples.size() && written < buffer.size(); position_++) {
for (; position_ < chunk_->samples.size() && written < buffer.size(); position_++)
{
float mono_sample = chunk_->samples[position_].amplitudes[0];
float sep_pan = ((sep_ + 1.f) / 2.f) * (3.14159 / 2.f);
@ -41,23 +44,27 @@ size_t SoundEffectPlayer::generate(tcb::span<Sample<2>> buffer) {
return written;
}
void SoundEffectPlayer::start(const SoundChunk* chunk, float volume, float sep) {
void SoundEffectPlayer::start(const SoundChunk* chunk, float volume, float sep)
{
this->update(volume, sep);
position_ = 0;
chunk_ = chunk;
}
void SoundEffectPlayer::update(float volume, float sep) {
void SoundEffectPlayer::update(float volume, float sep)
{
volume_ = volume;
sep_ = sep;
}
void SoundEffectPlayer::reset() {
void SoundEffectPlayer::reset()
{
position_ = 0;
chunk_ = nullptr;
}
bool SoundEffectPlayer::finished() const {
bool SoundEffectPlayer::finished() const
{
if (!chunk_)
return true;
if (position_ >= chunk_->samples.size())
@ -65,7 +72,8 @@ bool SoundEffectPlayer::finished() const {
return false;
}
bool SoundEffectPlayer::is_playing_chunk(const SoundChunk* chunk) const {
bool SoundEffectPlayer::is_playing_chunk(const SoundChunk* chunk) const
{
return chunk_ == chunk;
}

View file

@ -17,9 +17,11 @@
#include "sound_chunk.hpp"
#include "source.hpp"
namespace srb2::audio {
namespace srb2::audio
{
class SoundEffectPlayer : public Source<2> {
class SoundEffectPlayer : public Source<2>
{
public:
virtual std::size_t generate(tcb::span<Sample<2>> buffer) override final;

View file

@ -16,10 +16,12 @@
#include "sample.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
class Source {
class Source
{
public:
virtual std::size_t generate(tcb::span<Sample<C>> buffer) = 0;

View file

@ -18,7 +18,8 @@
using namespace srb2;
using srb2::audio::Wav;
namespace {
namespace
{
constexpr const uint32_t kMagicRIFF = 0x46464952;
constexpr const uint32_t kMagicWAVE = 0x45564157;
@ -29,17 +30,20 @@ constexpr const uint16_t kFormatPcm = 1;
constexpr const std::size_t kRiffHeaderLength = 8;
struct RiffHeader {
struct RiffHeader
{
uint32_t magic;
std::size_t filesize;
};
struct TagHeader {
struct TagHeader
{
uint32_t type;
std::size_t length;
};
struct FmtTag {
struct FmtTag
{
uint16_t format;
uint16_t channels;
uint32_t rate;
@ -48,9 +52,12 @@ struct FmtTag {
uint16_t bit_width;
};
struct DataTag {};
struct DataTag
{
};
RiffHeader parse_riff_header(io::SpanStream& stream) {
RiffHeader parse_riff_header(io::SpanStream& stream)
{
if (io::remaining(stream) < kRiffHeaderLength)
throw std::runtime_error("insufficient bytes remaining in stream");
@ -60,7 +67,8 @@ RiffHeader parse_riff_header(io::SpanStream& stream) {
return ret;
}
TagHeader parse_tag_header(io::SpanStream& stream) {
TagHeader parse_tag_header(io::SpanStream& stream)
{
if (io::remaining(stream) < 8)
throw std::runtime_error("insufficient bytes remaining in stream");
@ -70,7 +78,8 @@ TagHeader parse_tag_header(io::SpanStream& stream) {
return header;
}
FmtTag parse_fmt_tag(io::SpanStream& stream) {
FmtTag parse_fmt_tag(io::SpanStream& stream)
{
if (io::remaining(stream) < 16)
throw std::runtime_error("insufficient bytes in stream");
@ -86,14 +95,16 @@ FmtTag parse_fmt_tag(io::SpanStream& stream) {
}
template <typename Visitor>
void visit_tag(Visitor& visitor, io::SpanStream& stream, const TagHeader& header) {
void visit_tag(Visitor& visitor, io::SpanStream& stream, const TagHeader& header)
{
if (io::remaining(stream) < header.length)
throw std::runtime_error("insufficient bytes in stream");
const io::StreamSize start = stream.seek(io::SeekFrom::kCurrent, 0);
const io::StreamSize dest = start + header.length;
switch (header.type) {
switch (header.type)
{
case kMagicFmt:
{
FmtTag fmt_tag {parse_fmt_tag(stream)};
@ -114,19 +125,23 @@ void visit_tag(Visitor& visitor, io::SpanStream& stream, const TagHeader& header
stream.seek(io::SeekFrom::kStart, dest);
}
std::vector<uint8_t> read_uint8_samples_from_stream(io::SpanStream& stream, std::size_t count) {
std::vector<uint8_t> read_uint8_samples_from_stream(io::SpanStream& stream, std::size_t count)
{
std::vector<uint8_t> samples;
samples.reserve(count);
for (std::size_t i = 0; i < count; i++) {
for (std::size_t i = 0; i < count; i++)
{
samples.push_back(io::read_uint8(stream));
}
return samples;
}
std::vector<int16_t> read_int16_samples_from_stream(io::SpanStream& stream, std::size_t count) {
std::vector<int16_t> read_int16_samples_from_stream(io::SpanStream& stream, std::size_t count)
{
std::vector<int16_t> samples;
samples.reserve(count);
for (std::size_t i = 0; i < count; i++) {
for (std::size_t i = 0; i < count; i++)
{
samples.push_back(io::read_int16(stream));
}
return samples;
@ -136,57 +151,70 @@ std::vector<int16_t> read_int16_samples_from_stream(io::SpanStream& stream, std:
Wav::Wav() = default;
Wav::Wav(tcb::span<std::byte> data) {
Wav::Wav(tcb::span<std::byte> data)
{
io::SpanStream stream {data};
auto [magic, filesize] = parse_riff_header(stream);
if (magic != kMagicRIFF) {
if (magic != kMagicRIFF)
{
throw std::runtime_error("invalid RIFF magic");
}
if (io::remaining(stream) < filesize) {
if (io::remaining(stream) < filesize)
{
throw std::runtime_error("insufficient data in stream for RIFF's reported filesize");
}
const io::StreamSize riff_end = stream.seek(io::SeekFrom::kCurrent, 0) + filesize;
uint32_t type = io::read_uint32(stream);
if (type != kMagicWAVE) {
if (type != kMagicWAVE)
{
throw std::runtime_error("RIFF in stream is not a WAVE");
}
std::optional<FmtTag> read_fmt;
std::variant<std::vector<uint8_t>, std::vector<int16_t>> interleaved_samples;
while (stream.seek(io::SeekFrom::kCurrent, 0) < riff_end) {
while (stream.seek(io::SeekFrom::kCurrent, 0) < riff_end)
{
TagHeader tag_header {parse_tag_header(stream)};
if (io::remaining(stream) < tag_header.length) {
if (io::remaining(stream) < tag_header.length)
{
throw std::runtime_error("WAVE tag length exceeds stream length");
}
auto tag_visitor = srb2::Overload {
[&](const FmtTag& fmt) {
if (read_fmt) {
[&](const FmtTag& fmt)
{
if (read_fmt)
{
throw std::runtime_error("WAVE has multiple 'fmt' tags");
}
if (fmt.format != kFormatPcm) {
if (fmt.format != kFormatPcm)
{
throw std::runtime_error("Unsupported WAVE format (only PCM is supported)");
}
read_fmt = fmt;
},
[&](const DataTag& data) {
if (!read_fmt) {
[&](const DataTag& data)
{
if (!read_fmt)
{
throw std::runtime_error("unable to read data tag because no fmt tag was read");
}
if (tag_header.length % read_fmt->bytes_per_sample != 0) {
if (tag_header.length % read_fmt->bytes_per_sample != 0)
{
throw std::runtime_error("data tag length not divisible by bytes_per_sample");
}
const std::size_t sample_count = tag_header.length / read_fmt->bytes_per_sample;
switch (read_fmt->bit_width) {
switch (read_fmt->bit_width)
{
case 8:
interleaved_samples = std::move(read_uint8_samples_from_stream(stream, sample_count));
break;
@ -201,7 +229,8 @@ Wav::Wav(tcb::span<std::byte> data) {
visit_tag(tag_visitor, stream, tag_header);
}
if (!read_fmt) {
if (!read_fmt)
{
throw std::runtime_error("WAVE did not have a fmt tag");
}
@ -210,27 +239,34 @@ Wav::Wav(tcb::span<std::byte> data) {
sample_rate_ = read_fmt->rate;
}
namespace {
namespace
{
template <typename T>
std::size_t read_samples(std::size_t channels,
std::size_t offset,
const std::vector<T>& samples,
tcb::span<audio::Sample<1>> buffer) noexcept {
std::size_t read_samples(
std::size_t channels,
std::size_t offset,
const std::vector<T>& samples,
tcb::span<audio::Sample<1>> buffer
) noexcept
{
const std::size_t offset_interleaved = offset * channels;
const std::size_t samples_size = samples.size();
const std::size_t buffer_size = buffer.size();
if (offset_interleaved >= samples_size) {
if (offset_interleaved >= samples_size)
{
return 0;
}
const std::size_t remainder = (samples_size - offset_interleaved) / channels;
const std::size_t samples_to_read = std::min(buffer_size, remainder);
for (std::size_t i = 0; i < samples_to_read; i++) {
for (std::size_t i = 0; i < samples_to_read; i++)
{
buffer[i].amplitudes[0] = 0.f;
for (std::size_t j = 0; j < channels; j++) {
for (std::size_t j = 0; j < channels; j++)
{
buffer[i].amplitudes[0] += audio::sample_to_float(samples[i * channels + j + offset_interleaved]);
}
buffer[i].amplitudes[0] /= static_cast<float>(channels);
@ -241,18 +277,20 @@ std::size_t read_samples(std::size_t channels,
} // namespace
std::size_t Wav::get_samples(std::size_t offset, tcb::span<audio::Sample<1>> buffer) const noexcept {
std::size_t Wav::get_samples(std::size_t offset, tcb::span<audio::Sample<1>> buffer) const noexcept
{
auto samples_visitor = srb2::Overload {
[&](const std::vector<uint8_t>& samples) { return read_samples<uint8_t>(channels(), offset, samples, buffer); },
[&](const std::vector<int16_t>& samples) {
return read_samples<int16_t>(channels(), offset, samples, buffer);
}};
[&](const std::vector<int16_t>& samples)
{ return read_samples<int16_t>(channels(), offset, samples, buffer); }};
return std::visit(samples_visitor, interleaved_samples_);
}
std::size_t Wav::interleaved_length() const noexcept {
auto samples_visitor = srb2::Overload {[](const std::vector<uint8_t>& samples) { return samples.size(); },
[](const std::vector<int16_t>& samples) { return samples.size(); }};
std::size_t Wav::interleaved_length() const noexcept
{
auto samples_visitor = srb2::Overload {
[](const std::vector<uint8_t>& samples) { return samples.size(); },
[](const std::vector<int16_t>& samples) { return samples.size(); }};
return std::visit(samples_visitor, interleaved_samples_);
}

View file

@ -21,9 +21,11 @@
#include "../io/streams.hpp"
#include "sample.hpp"
namespace srb2::audio {
namespace srb2::audio
{
class Wav final {
class Wav final
{
std::variant<std::vector<uint8_t>, std::vector<int16_t>> interleaved_samples_;
std::size_t channels_ = 1;
std::size_t sample_rate_ = 44100;
@ -41,7 +43,8 @@ public:
};
template <typename I, typename std::enable_if_t<srb2::io::IsInputStreamV<I>, int> = 0>
inline Wav load_wav(I& stream) {
inline Wav load_wav(I& stream)
{
std::vector<std::byte> data = srb2::io::read_to_vec(stream);
return Wav {data};
}

View file

@ -13,7 +13,8 @@ using namespace srb2;
using srb2::audio::WavPlayer;
WavPlayer::WavPlayer() : WavPlayer(audio::Wav {}) {
WavPlayer::WavPlayer() : WavPlayer(audio::Wav {})
{
}
WavPlayer::WavPlayer(const WavPlayer& rhs) = default;
@ -24,20 +25,25 @@ WavPlayer& WavPlayer::operator=(const WavPlayer& rhs) = default;
WavPlayer& WavPlayer::operator=(WavPlayer&& rhs) noexcept = default;
WavPlayer::WavPlayer(audio::Wav&& wav) noexcept : wav_(std::forward<Wav>(wav)), position_(0), looping_(false) {
WavPlayer::WavPlayer(audio::Wav&& wav) noexcept : wav_(std::forward<Wav>(wav)), position_(0), looping_(false)
{
}
std::size_t WavPlayer::generate(tcb::span<audio::Sample<1>> buffer) {
std::size_t WavPlayer::generate(tcb::span<audio::Sample<1>> buffer)
{
std::size_t samples_read = 0;
while (samples_read < buffer.size()) {
while (samples_read < buffer.size())
{
const std::size_t read_this_time = wav_.get_samples(position_, buffer.subspan(samples_read));
position_ += read_this_time;
samples_read += read_this_time;
if (position_ > wav_.length() && looping_) {
if (position_ > wav_.length() && looping_)
{
position_ = 0;
}
if (read_this_time == 0 && !looping_) {
if (read_this_time == 0 && !looping_)
{
break;
}
}

View file

@ -17,9 +17,11 @@
#include "source.hpp"
#include "wav.hpp"
namespace srb2::audio {
namespace srb2::audio
{
class WavPlayer final : public Source<1> {
class WavPlayer final : public Source<1>
{
Wav wav_;
std::size_t position_;
bool looping_;

View file

@ -16,11 +16,14 @@
using namespace srb2;
using namespace srb2::audio;
XmpException::XmpException(int code) : code_(code) {
XmpException::XmpException(int code) : code_(code)
{
}
const char* XmpException::what() const noexcept {
switch (code_) {
const char* XmpException::what() const noexcept
{
switch (code_)
{
case -XMP_ERROR_INTERNAL:
return "XMP_ERROR_INTERNAL";
case -XMP_ERROR_FORMAT:
@ -41,23 +44,27 @@ const char* XmpException::what() const noexcept {
}
template <size_t C>
Xmp<C>::Xmp() : data_(), instance_(nullptr), module_loaded_(false), looping_(false) {
Xmp<C>::Xmp() : data_(), instance_(nullptr), module_loaded_(false), looping_(false)
{
}
template <size_t C>
Xmp<C>::Xmp(std::vector<std::byte> data)
: data_(std::move(data)), instance_(nullptr), module_loaded_(false), looping_(false) {
: data_(std::move(data)), instance_(nullptr), module_loaded_(false), looping_(false)
{
_init();
}
template <size_t C>
Xmp<C>::Xmp(tcb::span<std::byte> data)
: data_(data.begin(), data.end()), instance_(nullptr), module_loaded_(false), looping_(false) {
: data_(data.begin(), data.end()), instance_(nullptr), module_loaded_(false), looping_(false)
{
_init();
}
template <size_t C>
Xmp<C>::Xmp(Xmp<C>&& rhs) noexcept : Xmp<C>() {
Xmp<C>::Xmp(Xmp<C>&& rhs) noexcept : Xmp<C>()
{
std::swap(data_, rhs.data_);
std::swap(instance_, rhs.instance_);
std::swap(module_loaded_, rhs.module_loaded_);
@ -65,7 +72,8 @@ Xmp<C>::Xmp(Xmp<C>&& rhs) noexcept : Xmp<C>() {
}
template <size_t C>
Xmp<C>& Xmp<C>::operator=(Xmp<C>&& rhs) noexcept {
Xmp<C>& Xmp<C>::operator=(Xmp<C>&& rhs) noexcept
{
std::swap(data_, rhs.data_);
std::swap(instance_, rhs.instance_);
std::swap(module_loaded_, rhs.module_loaded_);
@ -75,15 +83,18 @@ Xmp<C>& Xmp<C>::operator=(Xmp<C>&& rhs) noexcept {
};
template <size_t C>
Xmp<C>::~Xmp() {
if (instance_) {
Xmp<C>::~Xmp()
{
if (instance_)
{
xmp_free_context(instance_);
instance_ = nullptr;
}
}
template <size_t C>
std::size_t Xmp<C>::play_buffer(tcb::span<std::array<int16_t, C>> buffer) {
std::size_t Xmp<C>::play_buffer(tcb::span<std::array<int16_t, C>> buffer)
{
SRB2_ASSERT(instance_ != nullptr);
SRB2_ASSERT(module_loaded_ == true);
@ -99,7 +110,8 @@ std::size_t Xmp<C>::play_buffer(tcb::span<std::array<int16_t, C>> buffer) {
}
template <size_t C>
void Xmp<C>::reset() {
void Xmp<C>::reset()
{
SRB2_ASSERT(instance_ != nullptr);
SRB2_ASSERT(module_loaded_ == true);
@ -107,7 +119,8 @@ void Xmp<C>::reset() {
}
template <size_t C>
float Xmp<C>::duration_seconds() const {
float Xmp<C>::duration_seconds() const
{
SRB2_ASSERT(instance_ != nullptr);
SRB2_ASSERT(module_loaded_ == true);
@ -117,7 +130,8 @@ float Xmp<C>::duration_seconds() const {
}
template <size_t C>
void Xmp<C>::seek(int position_ms) {
void Xmp<C>::seek(int position_ms)
{
SRB2_ASSERT(instance_ != nullptr);
SRB2_ASSERT(module_loaded_ == true);
@ -127,7 +141,8 @@ void Xmp<C>::seek(int position_ms) {
}
template <size_t C>
void Xmp<C>::_init() {
void Xmp<C>::_init()
{
if (instance_)
return;
@ -137,12 +152,14 @@ void Xmp<C>::_init() {
throw std::logic_error("Insufficient data from stream");
instance_ = xmp_create_context();
if (instance_ == nullptr) {
if (instance_ == nullptr)
{
throw std::bad_alloc();
}
int result = xmp_load_module_from_memory(instance_, data_.data(), data_.size());
if (result != 0) {
if (result != 0)
{
xmp_free_context(instance_);
instance_ = nullptr;
throw XmpException(result);
@ -150,11 +167,13 @@ void Xmp<C>::_init() {
module_loaded_ = true;
int flags = 0;
if constexpr (C == 1) {
if constexpr (C == 1)
{
flags |= XMP_FORMAT_MONO;
}
result = xmp_start_player(instance_, 44100, flags);
if (result != 0) {
if (result != 0)
{
xmp_release_module(instance_);
module_loaded_ = false;
xmp_free_context(instance_);

View file

@ -7,7 +7,7 @@
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
#ifndef __SRB2_AUDIO_XMP_HPP__
#ifndef __SRB2_AUDIO_XMP_HPP__
#define __SRB2_AUDIO_XMP_HPP__
#include <array>
@ -22,9 +22,11 @@
#include "../io/streams.hpp"
namespace srb2::audio {
namespace srb2::audio
{
class XmpException : public std::exception {
class XmpException : public std::exception
{
int code_;
public:
@ -33,7 +35,8 @@ public:
};
template <size_t C>
class Xmp final {
class Xmp final
{
std::vector<std::byte> data_;
xmp_context instance_;
bool module_loaded_;
@ -68,7 +71,8 @@ extern template class Xmp<1>;
extern template class Xmp<2>;
template <size_t C, typename I, typename std::enable_if_t<srb2::io::IsInputStreamV<I>, int> = 0>
inline Xmp<C> load_xmp(I& stream) {
inline Xmp<C> load_xmp(I& stream)
{
std::vector<std::byte> data = srb2::io::read_to_vec(stream);
return Xmp<C> {std::move(data)};
}

View file

@ -15,7 +15,8 @@ using namespace srb2;
using namespace srb2::audio;
template <size_t C>
XmpPlayer<C>::XmpPlayer(Xmp<C>&& xmp) : xmp_(std::move(xmp)), buf_() {
XmpPlayer<C>::XmpPlayer(Xmp<C>&& xmp) : xmp_(std::move(xmp)), buf_()
{
}
template <size_t C>
@ -28,14 +29,17 @@ template <size_t C>
XmpPlayer<C>::~XmpPlayer() = default;
template <size_t C>
std::size_t XmpPlayer<C>::generate(tcb::span<Sample<C>> buffer) {
std::size_t XmpPlayer<C>::generate(tcb::span<Sample<C>> buffer)
{
buf_.resize(buffer.size());
std::size_t read = xmp_.play_buffer(tcb::make_span(buf_));
buf_.resize(read);
std::size_t ret = std::min(buffer.size(), buf_.size());
for (std::size_t i = 0; i < ret; i++) {
for (std::size_t j = 0; j < C; j++) {
for (std::size_t i = 0; i < ret; i++)
{
for (std::size_t j = 0; j < C; j++)
{
buffer[i].amplitudes[j] = buf_[i][j] / 32768.f;
}
}
@ -44,12 +48,14 @@ std::size_t XmpPlayer<C>::generate(tcb::span<Sample<C>> buffer) {
}
template <size_t C>
float XmpPlayer<C>::duration_seconds() const {
float XmpPlayer<C>::duration_seconds() const
{
return xmp_.duration_seconds();
}
template <size_t C>
void XmpPlayer<C>::seek(float position_seconds) {
void XmpPlayer<C>::seek(float position_seconds)
{
xmp_.seek(static_cast<int>(std::round(position_seconds * 1000.f)));
}

View file

@ -13,10 +13,12 @@
#include "source.hpp"
#include "xmp.hpp"
namespace srb2::audio {
namespace srb2::audio
{
template <size_t C>
class XmpPlayer final : public Source<C> {
class XmpPlayer final : public Source<C>
{
Xmp<C> xmp_;
std::vector<std::array<int16_t, C>> buf_;

View file

@ -62,10 +62,12 @@ struct SourceLocation {
class IErrorAssertHandler {
public:
static void handle(const SourceLocation& source_location, const char* expression) {
I_Error("Assertion failed at %s:%u: %s != true",
source_location.file_name,
source_location.line_number,
expression);
I_Error(
"Assertion failed at %s:%u: %s != true",
source_location.file_name,
source_location.line_number,
expression
);
}
};
@ -102,8 +104,10 @@ class NotNull final {
T ptr_;
public:
static_assert(std::is_convertible_v<decltype(std::declval<T>() != nullptr), bool>,
"T is not comparable with nullptr_t");
static_assert(
std::is_convertible_v<decltype(std::declval<T>() != nullptr), bool>,
"T is not comparable with nullptr_t"
);
/// @brief Move-construct from the pointer value U, asserting that it is not null. Allows construction of a
/// NotNull<T> from any compatible pointer U, for example with polymorphic classes.

View file

@ -59,7 +59,8 @@ static vector<shared_ptr<SoundEffectPlayer>> sound_effect_channels;
static void (*music_fade_callback)();
void* I_GetSfx(sfxinfo_t* sfx) {
void* I_GetSfx(sfxinfo_t* sfx)
{
if (sfx->lumpnum == LUMPERROR)
sfx->lumpnum = S_GetSfxLumpNum(sfx);
sfx->length = W_LumpLength(sfx->lumpnum);
@ -78,14 +79,18 @@ void* I_GetSfx(sfxinfo_t* sfx) {
return heap_chunk;
}
void I_FreeSfx(sfxinfo_t* sfx) {
if (sfx->data) {
void I_FreeSfx(sfxinfo_t* sfx)
{
if (sfx->data)
{
SoundChunk* chunk = static_cast<SoundChunk*>(sfx->data);
auto _ = srb2::finally([chunk]() { delete chunk; });
// Stop any channels playing this chunk
for (auto& player : sound_effect_channels) {
if (player->is_playing_chunk(chunk)) {
for (auto& player : sound_effect_channels)
{
if (player->is_playing_chunk(chunk))
{
player->reset();
}
}
@ -94,22 +99,27 @@ void I_FreeSfx(sfxinfo_t* sfx) {
sfx->lumpnum = LUMPERROR;
}
namespace {
namespace
{
class SdlAudioLockHandle {
class SdlAudioLockHandle
{
public:
SdlAudioLockHandle() { SDL_LockAudio(); }
~SdlAudioLockHandle() { SDL_UnlockAudio(); }
};
void audio_callback(void* userdata, Uint8* buffer, int len) {
void audio_callback(void* userdata, Uint8* buffer, int len)
{
// The SDL Audio lock is implied to be held during callback.
try {
try
{
Sample<2>* float_buffer = reinterpret_cast<Sample<2>*>(buffer);
size_t float_len = len / 8;
for (size_t i = 0; i < float_len; i++) {
for (size_t i = 0; i < float_len; i++)
{
float_buffer[i] = Sample<2> {0.f, 0.f};
}
@ -118,20 +128,25 @@ void audio_callback(void* userdata, Uint8* buffer, int len) {
master->generate(tcb::span {float_buffer, float_len});
for (size_t i = 0; i < float_len; i++) {
for (size_t i = 0; i < float_len; i++)
{
float_buffer[i] = {
std::clamp(float_buffer[i].amplitudes[0], -1.f, 1.f),
std::clamp(float_buffer[i].amplitudes[1], -1.f, 1.f),
};
}
} catch (...) {
}
catch (...)
{
}
return;
}
void initialize_sound() {
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
void initialize_sound()
{
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0)
{
CONS_Alert(CONS_ERROR, "Error initializing SDL Audio: %s\n", SDL_GetError());
return;
}
@ -143,7 +158,8 @@ void initialize_sound() {
desired.freq = 44100;
desired.callback = audio_callback;
if (SDL_OpenAudio(&desired, NULL) < 0) {
if (SDL_OpenAudio(&desired, NULL) < 0)
{
CONS_Alert(CONS_ERROR, "Failed to open SDL Audio device: %s\n", SDL_GetError());
SDL_QuitSubSystem(SDL_INIT_AUDIO);
return;
@ -165,7 +181,8 @@ void initialize_sound() {
master->add_source(gain_sound_effects);
master->add_source(gain_music);
mixer_music->add_source(music_player);
for (size_t i = 0; i < static_cast<size_t>(cv_numChannels.value); i++) {
for (size_t i = 0; i < static_cast<size_t>(cv_numChannels.value); i++)
{
shared_ptr<SoundEffectPlayer> player = make_shared<SoundEffectPlayer>();
sound_effect_channels.push_back(player);
mixer_sound_effects->add_source(player);
@ -177,26 +194,31 @@ void initialize_sound() {
} // namespace
void I_StartupSound(void) {
void I_StartupSound(void)
{
if (!sound_started)
initialize_sound();
}
void I_ShutdownSound(void) {
void I_ShutdownSound(void)
{
SdlAudioLockHandle _;
for (auto& channel : sound_effect_channels) {
for (auto& channel : sound_effect_channels)
{
if (channel)
*channel = audio::SoundEffectPlayer();
}
}
void I_UpdateSound(void) {
void I_UpdateSound(void)
{
// The SDL audio lock is re-entrant, so it is safe to lock twice
// for the "fade to stop music" callback later.
SdlAudioLockHandle _;
if (music_fade_callback && !music_player->fading()) {
if (music_fade_callback && !music_player->fading())
{
auto old_callback = music_fade_callback;
music_fade_callback = nullptr;
(old_callback());
@ -208,7 +230,8 @@ void I_UpdateSound(void) {
// SFX I/O
//
INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel) {
INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel)
{
(void) pitch;
(void) priority;
@ -218,16 +241,21 @@ INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priori
return -1;
shared_ptr<SoundEffectPlayer> player_channel;
if (channel < 0) {
if (channel < 0)
{
// find a free sfx channel
for (size_t i = 0; i < sound_effect_channels.size(); i++) {
if (sound_effect_channels[i]->finished()) {
for (size_t i = 0; i < sound_effect_channels.size(); i++)
{
if (sound_effect_channels[i]->finished())
{
player_channel = sound_effect_channels[i];
channel = i;
break;
}
}
} else {
}
else
{
player_channel = sound_effect_channels[channel];
}
@ -246,7 +274,8 @@ INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priori
return channel;
}
void I_StopSound(INT32 handle) {
void I_StopSound(INT32 handle)
{
SdlAudioLockHandle _;
if (sound_effect_channels.empty())
@ -263,7 +292,8 @@ void I_StopSound(INT32 handle) {
sound_effect_channels[index]->reset();
}
boolean I_SoundIsPlaying(INT32 handle) {
boolean I_SoundIsPlaying(INT32 handle)
{
SdlAudioLockHandle _;
// Handle is channel index
@ -281,7 +311,8 @@ boolean I_SoundIsPlaying(INT32 handle) {
return sound_effect_channels[index]->finished() ? 0 : 1;
}
void I_UpdateSoundParams(INT32 handle, UINT8 vol, UINT8 sep, UINT8 pitch) {
void I_UpdateSoundParams(INT32 handle, UINT8 vol, UINT8 sep, UINT8 pitch)
{
(void) pitch;
SdlAudioLockHandle _;
@ -298,18 +329,21 @@ void I_UpdateSoundParams(INT32 handle, UINT8 vol, UINT8 sep, UINT8 pitch) {
return;
shared_ptr<SoundEffectPlayer>& channel = sound_effect_channels[index];
if (!channel->finished()) {
if (!channel->finished())
{
float vol_float = static_cast<float>(vol) / 255.f;
float sep_float = static_cast<float>(sep) / 127.f - 1.f;
channel->update(vol_float, sep_float);
}
}
void I_SetSfxVolume(int volume) {
void I_SetSfxVolume(int volume)
{
SdlAudioLockHandle _;
float vol = static_cast<float>(volume) / 100.f;
if (gain_sound_effects) {
if (gain_sound_effects)
{
gain_sound_effects->gain(vol * vol * vol);
}
}
@ -318,7 +352,8 @@ void I_SetSfxVolume(int volume) {
// MUSIC SYSTEM
/// ------------------------
void I_InitMusic(void) {
void I_InitMusic(void)
{
if (!sound_started)
initialize_sound();
@ -327,7 +362,8 @@ void I_InitMusic(void) {
*music_player = audio::MusicPlayer();
}
void I_ShutdownMusic(void) {
void I_ShutdownMusic(void)
{
SdlAudioLockHandle _;
if (music_player)
@ -338,7 +374,8 @@ void I_ShutdownMusic(void) {
// MUSIC PROPERTIES
/// ------------------------
musictype_t I_SongType(void) {
musictype_t I_SongType(void)
{
if (!music_player)
return MU_NONE;
@ -346,11 +383,13 @@ musictype_t I_SongType(void) {
std::optional<audio::MusicType> music_type = music_player->music_type();
if (music_type == std::nullopt) {
if (music_type == std::nullopt)
{
return MU_NONE;
}
switch (*music_type) {
switch (*music_type)
{
case audio::MusicType::kOgg:
return MU_OGG;
case audio::MusicType::kGme:
@ -362,7 +401,8 @@ musictype_t I_SongType(void) {
}
}
boolean I_SongPlaying(void) {
boolean I_SongPlaying(void)
{
if (!music_player)
return false;
@ -371,7 +411,8 @@ boolean I_SongPlaying(void) {
return music_player->music_type().has_value();
}
boolean I_SongPaused(void) {
boolean I_SongPaused(void)
{
if (!music_player)
return false;
@ -384,7 +425,8 @@ boolean I_SongPaused(void) {
// MUSIC EFFECTS
/// ------------------------
boolean I_SetSongSpeed(float speed) {
boolean I_SetSongSpeed(float speed)
{
(void) speed;
return false;
}
@ -393,7 +435,8 @@ boolean I_SetSongSpeed(float speed) {
// MUSIC SEEKING
/// ------------------------
UINT32 I_GetSongLength(void) {
UINT32 I_GetSongLength(void)
{
if (!music_player)
return 0;
@ -407,13 +450,15 @@ UINT32 I_GetSongLength(void) {
return static_cast<UINT32>(std::round(*duration * 1000.f));
}
boolean I_SetSongLoopPoint(UINT32 looppoint) {
boolean I_SetSongLoopPoint(UINT32 looppoint)
{
if (!music_player)
return 0;
SdlAudioLockHandle _;
if (music_player->music_type() == audio::MusicType::kOgg) {
if (music_player->music_type() == audio::MusicType::kOgg)
{
music_player->loop_point_seconds(looppoint / 1000.f);
return true;
}
@ -421,7 +466,8 @@ boolean I_SetSongLoopPoint(UINT32 looppoint) {
return false;
}
UINT32 I_GetSongLoopPoint(void) {
UINT32 I_GetSongLoopPoint(void)
{
if (!music_player)
return 0;
@ -435,7 +481,8 @@ UINT32 I_GetSongLoopPoint(void) {
return static_cast<UINT32>(std::round(*loop_point_seconds * 1000.f));
}
boolean I_SetSongPosition(UINT32 position) {
boolean I_SetSongPosition(UINT32 position)
{
if (!music_player)
return false;
@ -445,7 +492,8 @@ boolean I_SetSongPosition(UINT32 position) {
return true;
}
UINT32 I_GetSongPosition(void) {
UINT32 I_GetSongPosition(void)
{
if (!music_player)
return 0;
@ -459,50 +507,66 @@ UINT32 I_GetSongPosition(void) {
return static_cast<UINT32>(std::round(*position_seconds * 1000.f));
}
void I_UpdateSongLagThreshold(void) {
void I_UpdateSongLagThreshold(void)
{
}
void I_UpdateSongLagConditions(void) {
void I_UpdateSongLagConditions(void)
{
}
/// ------------------------
// MUSIC PLAYBACK
/// ------------------------
namespace {
void print_walk_ex_stack(const std::exception& ex) {
namespace
{
void print_walk_ex_stack(const std::exception& ex)
{
CONS_Alert(CONS_WARNING, " Caused by: %s\n", ex.what());
try {
try
{
std::rethrow_if_nested(ex);
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
print_walk_ex_stack(ex);
}
}
void print_ex(const std::exception& ex) {
void print_ex(const std::exception& ex)
{
CONS_Alert(CONS_WARNING, "Exception loading music: %s\n", ex.what());
try {
try
{
std::rethrow_if_nested(ex);
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
print_walk_ex_stack(ex);
}
}
} // namespace
boolean I_LoadSong(char* data, size_t len) {
boolean I_LoadSong(char* data, size_t len)
{
if (!music_player)
return false;
tcb::span<std::byte> data_span(reinterpret_cast<std::byte*>(data), len);
audio::MusicPlayer new_player;
try {
try
{
new_player = audio::MusicPlayer {data_span};
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
print_ex(ex);
return false;
}
if (music_fade_callback && music_player->fading()) {
if (music_fade_callback && music_player->fading())
{
auto old_callback = music_fade_callback;
music_fade_callback = nullptr;
(old_callback)();
@ -510,9 +574,12 @@ boolean I_LoadSong(char* data, size_t len) {
SdlAudioLockHandle _;
try {
try
{
*music_player = std::move(new_player);
} catch (const std::exception& ex) {
}
catch (const std::exception& ex)
{
print_ex(ex);
return false;
}
@ -520,11 +587,13 @@ boolean I_LoadSong(char* data, size_t len) {
return true;
}
void I_UnloadSong(void) {
void I_UnloadSong(void)
{
if (!music_player)
return;
if (music_fade_callback && music_player->fading()) {
if (music_fade_callback && music_player->fading())
{
auto old_callback = music_fade_callback;
music_fade_callback = nullptr;
(old_callback)();
@ -535,7 +604,8 @@ void I_UnloadSong(void) {
*music_player = audio::MusicPlayer();
}
boolean I_PlaySong(boolean looping) {
boolean I_PlaySong(boolean looping)
{
if (!music_player)
return false;
@ -546,7 +616,8 @@ boolean I_PlaySong(boolean looping) {
return true;
}
void I_StopSong(void) {
void I_StopSong(void)
{
if (!music_player)
return;
@ -555,7 +626,8 @@ void I_StopSong(void) {
music_player->stop();
}
void I_PauseSong(void) {
void I_PauseSong(void)
{
if (!music_player)
return;
@ -564,7 +636,8 @@ void I_PauseSong(void) {
music_player->pause();
}
void I_ResumeSong(void) {
void I_ResumeSong(void)
{
if (!music_player)
return;
@ -573,15 +646,18 @@ void I_ResumeSong(void) {
music_player->unpause();
}
void I_SetMusicVolume(int volume) {
void I_SetMusicVolume(int volume)
{
float vol = static_cast<float>(volume) / 100.f;
if (gain_music) {
if (gain_music)
{
gain_music->gain(vol * vol * vol);
}
}
boolean I_SetSongTrack(int track) {
boolean I_SetSongTrack(int track)
{
(void) track;
return false;
}
@ -590,7 +666,8 @@ boolean I_SetSongTrack(int track) {
// MUSIC FADING
/// ------------------------
void I_SetInternalMusicVolume(UINT8 volume) {
void I_SetInternalMusicVolume(UINT8 volume)
{
if (!music_player)
return;
@ -600,7 +677,8 @@ void I_SetInternalMusicVolume(UINT8 volume) {
music_player->internal_gain(gain);
}
void I_StopFadingSong(void) {
void I_StopFadingSong(void)
{
if (!music_player)
return;
@ -609,7 +687,8 @@ void I_StopFadingSong(void) {
music_player->stop_fade();
}
boolean I_FadeSongFromVolume(UINT8 target_volume, UINT8 source_volume, UINT32 ms, void (*callback)(void)) {
boolean I_FadeSongFromVolume(UINT8 target_volume, UINT8 source_volume, UINT32 ms, void (*callback)(void))
{
if (!music_player)
return false;
@ -628,7 +707,8 @@ boolean I_FadeSongFromVolume(UINT8 target_volume, UINT8 source_volume, UINT32 ms
return true;
}
boolean I_FadeSong(UINT8 target_volume, UINT32 ms, void (*callback)(void)) {
boolean I_FadeSong(UINT8 target_volume, UINT32 ms, void (*callback)(void))
{
if (!music_player)
return false;
@ -646,7 +726,8 @@ boolean I_FadeSong(UINT8 target_volume, UINT32 ms, void (*callback)(void)) {
return true;
}
static void stop_song_cb(void) {
static void stop_song_cb(void)
{
if (!music_player)
return;
@ -655,11 +736,13 @@ static void stop_song_cb(void) {
music_player->stop();
}
boolean I_FadeOutStopSong(UINT32 ms) {
boolean I_FadeOutStopSong(UINT32 ms)
{
return I_FadeSong(0.f, ms, stop_song_cb);
}
boolean I_FadeInPlaySong(UINT32 ms, boolean looping) {
boolean I_FadeInPlaySong(UINT32 ms, boolean looping)
{
if (I_PlaySong(looping))
return I_FadeSongFromVolume(100, 0, ms, nullptr);
else