mirror of
https://github.com/TomHarte/CLK.git
synced 2024-12-23 20:29:42 +00:00
Separates LowpassFilter and SampleSource.
This commit is contained in:
parent
f8a2459c91
commit
2dc1d4443e
@ -12,7 +12,8 @@
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#include "../../ClockReceiver/ClockReceiver.hpp"
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#include "../../Concurrency/AsyncTaskQueue.hpp"
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#include "../../Outputs/CRT/CRT.hpp"
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#include "../../Outputs/Speaker/Implementation/FilteringSpeaker.hpp"
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#include "../../Outputs/Speaker/Implementation/LowpassSpeaker.hpp"
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#include "../../Outputs/Speaker/Implementation/SampleSource.hpp"
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namespace MOS {
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@ -8,6 +8,8 @@
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#include "AY38910.hpp"
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#include <cmath>
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using namespace GI::AY38910;
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AY38910::AY38910(Concurrency::DeferringAsyncTaskQueue &task_queue) : task_queue_(task_queue) {
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@ -9,7 +9,7 @@
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#ifndef AY_3_8910_hpp
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#define AY_3_8910_hpp
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#include "../../Outputs/Speaker/Implementation/FilteringSpeaker.hpp"
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#include "../../Outputs/Speaker/Implementation/SampleSource.hpp"
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#include "../../Concurrency/AsyncTaskQueue.hpp"
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namespace GI {
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@ -23,6 +23,7 @@
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#include "../../Storage/Tape/Tape.hpp"
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#include "../../ClockReceiver/ForceInline.hpp"
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#include "../../Outputs/Speaker/Implementation/LowpassSpeaker.hpp"
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#include <cstdint>
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#include <vector>
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@ -15,6 +15,7 @@
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#include "TIASound.hpp"
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#include "../../ClockReceiver/ClockReceiver.hpp"
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#include "../../Outputs/Speaker/Implementation/LowpassSpeaker.hpp"
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namespace Atari2600 {
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@ -9,7 +9,7 @@
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#ifndef Atari2600_TIASound_hpp
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#define Atari2600_TIASound_hpp
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#include "../../Outputs/Speaker/Implementation/FilteringSpeaker.hpp"
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#include "../../Outputs/Speaker/Implementation/SampleSource.hpp"
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#include "../../Concurrency/AsyncTaskQueue.hpp"
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namespace Atari2600 {
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@ -11,7 +11,7 @@
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#include "../../ClockReceiver/ClockReceiver.hpp"
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#include "../../ClockReceiver/ForceInline.hpp"
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#include "../../Configurable/StandardOptions.hpp"
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#include "../../Outputs/Speaker/Implementation/FilteringSpeaker.hpp"
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#include "../../Outputs/Speaker/Implementation/LowpassSpeaker.hpp"
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#include "../../Processors/6502/6502.hpp"
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#include "../../Storage/Tape/Tape.hpp"
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@ -9,7 +9,7 @@
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#ifndef Electron_SoundGenerator_hpp
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#define Electron_SoundGenerator_hpp
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#include "../../Outputs/Speaker/Implementation/FilteringSpeaker.hpp"
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#include "../../Outputs/Speaker/Implementation/SampleSource.hpp"
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#include "../../Concurrency/AsyncTaskQueue.hpp"
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namespace Electron {
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@ -21,6 +21,8 @@
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#include "../ConfigurationTarget.hpp"
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#include "../KeyboardMachine.hpp"
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#include "../../Outputs/Speaker/Implementation/LowpassSpeaker.hpp"
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namespace MSX {
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struct AYPortHandler: public GI::AY38910::PortHandler {
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@ -24,6 +24,7 @@
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#include "../../ClockReceiver/ForceInline.hpp"
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#include "../../Configurable/StandardOptions.hpp"
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#include "../../Outputs/Speaker/Implementation/LowpassSpeaker.hpp"
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#include <cstdint>
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#include <memory>
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@ -251,7 +251,6 @@
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4B8805F71DCFF6C9003085B1 /* Commodore.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B8805F51DCFF6C9003085B1 /* Commodore.cpp */; };
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4B8805FB1DCFF807003085B1 /* Oric.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B8805F91DCFF807003085B1 /* Oric.cpp */; };
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4B8805FE1DD02552003085B1 /* Tape.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B8805FC1DD02552003085B1 /* Tape.cpp */; };
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4B8EF6081FE5AF830076CCDD /* FilteringSpeaker.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B8EF6061FE5AF830076CCDD /* FilteringSpeaker.cpp */; };
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4B8FE21B1DA19D5F0090D3CE /* Atari2600Options.xib in Resources */ = {isa = PBXBuildFile; fileRef = 4B8FE2131DA19D5F0090D3CE /* Atari2600Options.xib */; };
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4B8FE21C1DA19D5F0090D3CE /* MachineDocument.xib in Resources */ = {isa = PBXBuildFile; fileRef = 4B8FE2151DA19D5F0090D3CE /* MachineDocument.xib */; };
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4B8FE21D1DA19D5F0090D3CE /* ElectronOptions.xib in Resources */ = {isa = PBXBuildFile; fileRef = 4B8FE2171DA19D5F0090D3CE /* ElectronOptions.xib */; };
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@ -818,6 +817,7 @@
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4B643F391D77AD1900D431D6 /* CSStaticAnalyser.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = CSStaticAnalyser.mm; path = StaticAnalyser/CSStaticAnalyser.mm; sourceTree = "<group>"; };
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4B643F3C1D77AE5C00D431D6 /* CSMachine+Target.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "CSMachine+Target.h"; sourceTree = "<group>"; };
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4B643F3E1D77B88000D431D6 /* DocumentController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DocumentController.swift; sourceTree = "<group>"; };
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4B698D1A1FE768A100696C91 /* SampleSource.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = SampleSource.hpp; sourceTree = "<group>"; };
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4B69FB3B1C4D908A00B5F0AA /* Tape.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Tape.cpp; sourceTree = "<group>"; };
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4B69FB3C1C4D908A00B5F0AA /* Tape.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Tape.hpp; sourceTree = "<group>"; };
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4B69FB421C4D941400B5F0AA /* TapeUEF.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TapeUEF.cpp; sourceTree = "<group>"; };
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@ -873,8 +873,7 @@
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4B8805FD1DD02552003085B1 /* Tape.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = Tape.hpp; path = ../../StaticAnalyser/Oric/Tape.hpp; sourceTree = "<group>"; };
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4B8D287E1F77207100645199 /* TrackSerialiser.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = TrackSerialiser.hpp; sourceTree = "<group>"; };
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4B8E4ECD1DCE483D003716C3 /* KeyboardMachine.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = KeyboardMachine.hpp; sourceTree = "<group>"; };
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4B8EF6061FE5AF830076CCDD /* FilteringSpeaker.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = FilteringSpeaker.cpp; sourceTree = "<group>"; };
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4B8EF6071FE5AF830076CCDD /* FilteringSpeaker.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = FilteringSpeaker.hpp; sourceTree = "<group>"; };
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4B8EF6071FE5AF830076CCDD /* LowpassSpeaker.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = LowpassSpeaker.hpp; sourceTree = "<group>"; };
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4B8FE2141DA19D5F0090D3CE /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = "Clock Signal/Base.lproj/Atari2600Options.xib"; sourceTree = SOURCE_ROOT; };
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4B8FE2161DA19D5F0090D3CE /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = "Clock Signal/Base.lproj/MachineDocument.xib"; sourceTree = SOURCE_ROOT; };
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4B8FE2181DA19D5F0090D3CE /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = "Clock Signal/Base.lproj/ElectronOptions.xib"; sourceTree = SOURCE_ROOT; };
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@ -2022,8 +2021,8 @@
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4B8EF6051FE5AF830076CCDD /* Implementation */ = {
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isa = PBXGroup;
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children = (
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4B8EF6061FE5AF830076CCDD /* FilteringSpeaker.cpp */,
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4B8EF6071FE5AF830076CCDD /* FilteringSpeaker.hpp */,
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4B8EF6071FE5AF830076CCDD /* LowpassSpeaker.hpp */,
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4B698D1A1FE768A100696C91 /* SampleSource.hpp */,
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);
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path = Implementation;
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sourceTree = "<group>";
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@ -3382,7 +3381,6 @@
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4BBFFEE61F7B27F1005F3FEB /* TrackSerialiser.cpp in Sources */,
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4BC3B74F1CD194CC00F86E85 /* Shader.cpp in Sources */,
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4B38F3481F2EC11D00D9235D /* AmstradCPC.cpp in Sources */,
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4B8EF6081FE5AF830076CCDD /* FilteringSpeaker.cpp in Sources */,
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4B8FE2221DA19FB20090D3CE /* MachinePanel.swift in Sources */,
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4B4518A41F75FD1C00926311 /* OricMFMDSK.cpp in Sources */,
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4BBB14311CD2CECE00BDB55C /* IntermediateShader.cpp in Sources */,
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@ -7,6 +7,7 @@
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//
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#include <cstdio>
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#include <cstring>
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#include <iostream>
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#include <memory>
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@ -1,9 +0,0 @@
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//
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// FilteringSpeaker.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 15/12/2017.
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// Copyright © 2017 Thomas Harte. All rights reserved.
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//
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#include "FilteringSpeaker.hpp"
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#include "../../../ClockReceiver/ClockReceiver.hpp"
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#include "../../../Concurrency/AsyncTaskQueue.hpp"
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#include <cstring>
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namespace Outputs {
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namespace Speaker {
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/*!
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A sample source is something that can provide a stream of audio.
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This optional base class provides the interface expected to be exposed
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by the template parameter to LowpassSpeaker.
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*/
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class SampleSource {
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public:
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/*!
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Should write the next @c number_of_samples to @c target.
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*/
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void get_samples(std::size_t number_of_samples, int16_t *target) {}
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/*!
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Should skip the next @c number_of_samples. Subclasses of this SampleSource
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need not implement this if it would no more efficient to do so than it is
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merely to call get_samples and throw the result away, as per the default
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implementation below.
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*/
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void skip_samples(const std::size_t number_of_samples) {
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int16_t scratch_pad[number_of_samples];
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get_samples(number_of_samples, scratch_pad);
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}
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};
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/*!
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The low-pass speaker
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The low-pass speaker expects an Outputs::Speaker::SampleSource-derived
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template class, and uses the instance supplied to its constructor as the
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source of a high-frequency stream of audio which it filters down to a
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lower-frequency output.
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*/
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template <typename T> class LowpassSpeaker: public Speaker {
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public:
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@ -156,9 +137,9 @@ template <typename T> class LowpassSpeaker: public Speaker {
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uint64_t steps = stepper_->step();
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if(steps < input_buffer_.size()) {
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int16_t *input_buffer = input_buffer_.data();
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memmove( input_buffer,
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&input_buffer[steps],
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sizeof(int16_t) * (input_buffer_.size() - steps));
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std::memmove( input_buffer,
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&input_buffer[steps],
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sizeof(int16_t) * (input_buffer_.size() - steps));
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input_buffer_depth_ -= steps;
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} else {
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if(steps > input_buffer_.size())
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45
Outputs/Speaker/Implementation/SampleSource.hpp
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45
Outputs/Speaker/Implementation/SampleSource.hpp
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//
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// SampleSource.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 17/12/2017.
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// Copyright © 2017 Thomas Harte. All rights reserved.
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//
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#ifndef SampleSource_hpp
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#define SampleSource_hpp
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#include <cstddef>
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#include <cstdint>
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namespace Outputs {
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namespace Speaker {
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/*!
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A sample source is something that can provide a stream of audio.
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This optional base class provides the interface expected to be exposed
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by the template parameter to LowpassSpeaker.
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*/
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class SampleSource {
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public:
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/*!
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Should write the next @c number_of_samples to @c target.
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*/
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void get_samples(std::size_t number_of_samples, std::int16_t *target) {}
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/*!
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Should skip the next @c number_of_samples. Subclasses of this SampleSource
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need not implement this if it would no more efficient to do so than it is
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merely to call get_samples and throw the result away, as per the default
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implementation below.
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*/
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void skip_samples(const std::size_t number_of_samples) {
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std::int16_t scratch_pad[number_of_samples];
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get_samples(number_of_samples, scratch_pad);
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}
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};
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}
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}
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#endif /* SampleSource_hpp */
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