LibDSP: Rename library namespace to DSP

That's the standard naming convention, but I didn't follow it when
originally creating LibDSP and nobody corrected me, so here I am one
year later :^)

Userland/Libraries/LibDSP/Clip.cpp

@@ -6,7 +6,7 @@
 
 #include "Clip.h"
 
-namespace LibDSP {
+namespace DSP {
 
 Sample AudioClip::sample_at(u32 time)
 {

Userland/Libraries/LibDSP/Clip.h

@@ -11,7 +11,7 @@
 #include <AK/Types.h>
 #include <LibDSP/Music.h>
 
-namespace LibDSP {
+namespace DSP {
 
 // A clip is a self-contained snippet of notes or audio that can freely move inside and in between tracks.
 class Clip : public RefCounted<Clip> {

Userland/Libraries/LibDSP/Effects.cpp

@@ -8,7 +8,7 @@
 #include <AK/FixedArray.h>
 #include <math.h>
 
-namespace LibDSP::Effects {
+namespace DSP::Effects {
 
 Delay::Delay(NonnullRefPtr<Transport> transport)
     : EffectProcessor(move(transport))

Userland/Libraries/LibDSP/Effects.h

@@ -11,7 +11,7 @@
 #include <LibDSP/ProcessorParameter.h>
 #include <LibDSP/Transport.h>
 
-namespace LibDSP::Effects {
+namespace DSP::Effects {
 
 // A simple digital delay effect using a delay buffer.
 // This is based on Piano's old built-in delay.

Userland/Libraries/LibDSP/Envelope.h

@@ -8,7 +8,7 @@
 
 #include <AK/StdLibExtras.h>
 
-namespace LibDSP {
+namespace DSP {
 
 // For now, this cannot be optimal as clang doesn't know underlying type specifications.
 enum EnvelopeState {

Userland/Libraries/LibDSP/FFT.h

@@ -10,7 +10,7 @@
 #include <AK/Math.h>
 #include <AK/Span.h>
 
-namespace LibDSP {
+namespace DSP {
 
 constexpr void fft(Span<Complex<float>> sample_data, bool invert = false)
 {

Userland/Libraries/LibDSP/Keyboard.cpp

@@ -9,7 +9,7 @@
 #include <AK/Error.h>
 #include <AK/NumericLimits.h>
 
-namespace LibDSP {
+namespace DSP {
 
 void Keyboard::set_keyboard_note(u8 pitch, Keyboard::Switch note_switch)
 {

Userland/Libraries/LibDSP/Keyboard.h

@@ -11,7 +11,7 @@
 #include <LibDSP/Music.h>
 #include <LibDSP/Transport.h>
 
-namespace LibDSP {
+namespace DSP {
 
 class Keyboard : public RefCounted<Keyboard> {
 

Userland/Libraries/LibDSP/MDCT.h

@@ -10,7 +10,7 @@
 #include <AK/Math.h>
 #include <AK/Span.h>
 
-namespace LibDSP {
+namespace DSP {
 
 template<size_t N>
 requires(N % 2 == 0) class MDCT {

Userland/Libraries/LibDSP/Music.h

@@ -15,7 +15,7 @@
 #include <LibAudio/Sample.h>
 #include <LibDSP/Envelope.h>
 
-namespace LibDSP {
+namespace DSP {
 
 using Sample = Audio::Sample;
 

Userland/Libraries/LibDSP/Processor.h

@@ -17,7 +17,7 @@
 #include <LibDSP/ProcessorParameter.h>
 #include <LibDSP/Transport.h>
 
-namespace LibDSP {
+namespace DSP {
 
 // A processor processes notes or audio into notes or audio. Processors are e.g. samplers, synthesizers, effects, arpeggiators etc.
 class Processor : public RefCounted<Processor> {

Userland/Libraries/LibDSP/ProcessorParameter.h

@@ -14,7 +14,7 @@
 #include <AK/Types.h>
 #include <LibDSP/Music.h>
 
-namespace LibDSP {
+namespace DSP {
 
 using ParameterFixedPoint = FixedPoint<8, i64>;
 
@@ -78,7 +78,7 @@ public:
     ParameterT value() const { return m_value; };
     void set_value(ParameterT value)
     {
-        set_value_sneaky(value, LibDSP::Detail::ProcessorParameterSetValueTag {});
+        set_value_sneaky(value, DSP::Detail::ProcessorParameterSetValueTag {});
         if (did_change_value)
             did_change_value(value);
     }
@@ -151,14 +151,14 @@ public:
 
 }
 template<>
-struct AK::Formatter<LibDSP::ProcessorRangeParameter> : AK::StandardFormatter {
+struct AK::Formatter<DSP::ProcessorRangeParameter> : AK::StandardFormatter {
 
     Formatter() = default;
     explicit Formatter(StandardFormatter formatter)
         : StandardFormatter(formatter)
     {
     }
-    ErrorOr<void> format(FormatBuilder& builder, LibDSP::ProcessorRangeParameter value)
+    ErrorOr<void> format(FormatBuilder& builder, DSP::ProcessorRangeParameter value)
     {
         if (m_mode == Mode::Pointer) {
             Formatter<FlatPtr> formatter { *this };

Userland/Libraries/LibDSP/Synthesizers.cpp

@@ -14,10 +14,10 @@
 #include <LibDSP/Processor.h>
 #include <LibDSP/Synthesizers.h>
 
-namespace LibDSP::Synthesizers {
+namespace DSP::Synthesizers {
 
 Classic::Classic(NonnullRefPtr<Transport> transport)
-    : LibDSP::SynthesizerProcessor(transport)
+    : DSP::SynthesizerProcessor(transport)
     , m_waveform("Waveform"sv, Waveform::Saw)
     , m_attack("Attack"sv, 0.01, 2000, 5, Logarithmic::Yes)
     , m_decay("Decay"sv, 0.01, 20'000, 80, Logarithmic::Yes)

Userland/Libraries/LibDSP/Synthesizers.h

@@ -12,7 +12,7 @@
 #include <LibDSP/ProcessorParameter.h>
 #include <LibDSP/Transport.h>
 
-namespace LibDSP::Synthesizers {
+namespace DSP::Synthesizers {
 
 enum Waveform : u8 {
     Sine,

Userland/Libraries/LibDSP/Track.cpp

@@ -14,7 +14,7 @@
 #include <LibDSP/Processor.h>
 #include <LibDSP/Track.h>
 
-namespace LibDSP {
+namespace DSP {
 
 bool Track::add_processor(NonnullRefPtr<Processor> new_processor)
 {

Userland/Libraries/LibDSP/Track.h

@@ -13,7 +13,7 @@
 #include <LibDSP/Music.h>
 #include <LibDSP/Processor.h>
 
-namespace LibDSP {
+namespace DSP {
 
 // A track is also known as a channel and serves as a container for the audio pipeline: clips -> processors -> mixing & output
 class Track : public RefCounted<Track> {

Userland/Libraries/LibDSP/Transport.h

@@ -10,7 +10,7 @@
 #include <AK/Types.h>
 #include <LibDSP/Music.h>
 
-namespace LibDSP {
+namespace DSP {
 
 // The DAW-wide timekeeper and synchronizer
 class Transport final : public RefCounted<Transport> {

Userland/Libraries/LibDSP/Window.h

@@ -9,7 +9,7 @@
 #include <AK/FixedArray.h>
 #include <AK/Math.h>
 
-namespace LibDSP {
+namespace DSP {
 
 template<typename T>
 class Window final {