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LibAudio+LibDSP: Switch samples to 32-bit float instead of 64-bit float

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This has been overkill from the start, and it has been bugging me for a
long time. With this change, we're probably a bit slower on most
platforms but save huge amounts of space with all in-memory sample
datastructures.
This commit is contained in:
kleines Filmröllchen 2022-05-06 22:14:16 +02:00 • committed by Linus Groh
parent 39c0f31009
commit 19a4b820c4
16 changed files with 329 additions and 329 deletions
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12
Userland/Applications/SoundPlayer/VisualizationWidget.h
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@ -17,7 +17,7 @@ class VisualizationWidget : public GUI::Frame {
C_OBJECT_ABSTRACT(VisualizationWidget)
public:
virtual void render(GUI::PaintEvent&, FixedArray<double> const& samples) = 0;
virtual void render(GUI::PaintEvent&, FixedArray<float> const& samples) = 0;
void set_buffer(FixedArray<Audio::Sample> const& buffer)
{
@ -28,7 +28,7 @@ public:
m_sample_buffer.resize(buffer.size());
for (size_t i = 0; i < buffer.size(); i++)
m_sample_buffer.data()[i] = (buffer[i].left + buffer[i].right) / 2.;
m_sample_buffer.data()[i] = (buffer[i].left + buffer[i].right) / 2.f;
m_frame_count = 0;
}
@ -55,7 +55,7 @@ public:
if (buffer_position + m_render_buffer.size() >= m_sample_buffer.size())
buffer_position = m_sample_buffer.size() - m_render_buffer.size();
AK::TypedTransfer<double>::copy(m_render_buffer.data(), m_sample_buffer.span().slice(buffer_position).data(), m_render_buffer.size());
AK::TypedTransfer<float>::copy(m_render_buffer.data(), m_sample_buffer.span().slice(buffer_position).data(), m_render_buffer.size());
render(event, m_render_buffer);
}
@ -70,7 +70,7 @@ public:
ErrorOr<void> set_render_sample_count(size_t count)
{
auto new_buffer = TRY(FixedArray<double>::try_create(count));
auto new_buffer = TRY(FixedArray<float>::try_create(count));
m_render_buffer.swap(new_buffer);
return {};
}
@ -79,8 +79,8 @@ public:
protected:
int m_samplerate;
size_t m_frame_count;
Vector<double> m_sample_buffer;
FixedArray<double> m_render_buffer;
Vector<float> m_sample_buffer;
FixedArray<float> m_render_buffer;
static constexpr size_t REFRESH_TIME_MILLISECONDS = 30;