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https://github.com/Rosalie241/RMG.git
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Introduce RMG-Audio
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Rosalie Wanders committed
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@@ -19,9 +19,13 @@ set(INSTALL_PATH Bin/${CMAKE_BUILD_TYPE})
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add_subdirectory(Source/RMG-Core)
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add_subdirectory(Source/RMG)
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add_subdirectory(Source/RMG-Audio)
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install(TARGETS RMG
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DESTINATION ${INSTALL_PATH}
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)
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install(TARGETS RMG-Audio
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DESTINATION ${INSTALL_PATH}/Plugin/Audio
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)
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if (WIN32)
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add_subdirectory(Source/Installer)
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@@ -0,0 +1,36 @@
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#
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# RMG-Audio CMakeLists.txt
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#
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project(RMG-Audio)
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set(CMAKE_AUTOMOC ON)
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set(CMAKE_AUTORCC ON)
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set(CMAKE_AUTOUIC ON)
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find_package(Qt5 COMPONENTS Gui Widgets Core REQUIRED)
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find_package(PkgConfig REQUIRED)
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pkg_check_modules(SDL2 REQUIRED sdl2)
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set(RMG_AUDIO_SOURCES
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UserInterface/MainDialog.cpp
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UserInterface/MainDialog.ui
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main.cpp
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)
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add_library(RMG-Audio SHARED ${RMG_AUDIO_SOURCES})
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set_target_properties(RMG-Audio PROPERTIES PREFIX "")
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target_link_libraries(RMG-Audio
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RMG-Core
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${SDL2_LIBRARIES}
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Qt5::Gui Qt5::Widgets
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)
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target_include_directories(RMG-Audio PRIVATE
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${CMAKE_CURRENT_BINARY_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}/../
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${SDL2_INCLUDE_DIRS}
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)
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@@ -0,0 +1,2 @@
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# Rosalie's Mupen GUI - Audio Plugin
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This is a simple SDL2 audio plugin, based on https://github.com/m64p/mupen64plus-audio-sdl2
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@@ -0,0 +1,46 @@
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/*
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* Rosalie's Mupen GUI - https://github.com/Rosalie241/RMG
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* Copyright (C) 2020 Rosalie Wanders <rosalie@mailbox.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "MainDialog.hpp"
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#include <RMG-Core/Core.hpp>
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using namespace UserInterface;
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MainDialog::MainDialog(QWidget* parent) : QDialog(parent, Qt::WindowSystemMenuHint | Qt::WindowTitleHint)
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{
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this->setupUi(this);
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this->volumeSlider->setValue(CoreSettingsGetIntValue(SettingsID::Audio_Volume));
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this->mutedCheckbox->setChecked(CoreSettingsGetBoolValue(SettingsID::Audio_Muted));
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}
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MainDialog::~MainDialog()
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{
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}
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void MainDialog::on_volumeSlider_valueChanged(int value)
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{
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this->volumeLabel->setText(QString::number(value) + "%");
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}
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void MainDialog::on_buttonBox_clicked(QAbstractButton* button)
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{
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QPushButton *pushButton = (QPushButton *)button;
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QPushButton *okButton = this->buttonBox->button(QDialogButtonBox::Ok);
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int volume = this->volumeSlider->value();
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bool muted = this->mutedCheckbox->isChecked();
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if (pushButton == okButton)
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{
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CoreSettingsSetValue(SettingsID::Audio_Volume, volume);
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CoreSettingsSetValue(SettingsID::Audio_Muted, muted);
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CoreSettingsSave();
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}
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}
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@@ -0,0 +1,33 @@
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/*
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* Rosalie's Mupen GUI - https://github.com/Rosalie241/RMG
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* Copyright (C) 2020 Rosalie Wanders <rosalie@mailbox.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef MAINWINDOW_HPP
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#define MAINWINDOW_HPP
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#include <QDialog>
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#include <QAbstractButton>
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#include "ui_MainDialog.h"
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namespace UserInterface
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{
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class MainDialog : public QDialog, private Ui::MainDialog
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{
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Q_OBJECT
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public:
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MainDialog(QWidget *parent);
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~MainDialog(void);
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private slots:
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void on_volumeSlider_valueChanged(int value);
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void on_buttonBox_clicked(QAbstractButton* button);
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};
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}
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#endif // MAINWINDOW_HPP
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@@ -0,0 +1,131 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>MainDialog</class>
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<widget class="QDialog" name="MainDialog">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>330</width>
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<height>476</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>Rosalie's Mupen GUI - Audio Plugin</string>
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</property>
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<layout class="QVBoxLayout" name="verticalLayout_2">
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout">
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<item>
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<spacer name="horizontalSpacer">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>40</width>
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<height>20</height>
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</size>
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</property>
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</spacer>
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</item>
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<item>
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<layout class="QVBoxLayout" name="verticalLayout">
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<item alignment="Qt::AlignHCenter">
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<widget class="QSlider" name="volumeSlider">
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<property name="layoutDirection">
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<enum>Qt::LeftToRight</enum>
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</property>
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<property name="styleSheet">
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<string notr="true"/>
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</property>
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<property name="maximum">
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<number>100</number>
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</property>
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<property name="pageStep">
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<number>10</number>
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</property>
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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</widget>
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</item>
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<item alignment="Qt::AlignHCenter">
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<widget class="QLabel" name="volumeLabel">
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<property name="text">
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<string>0%</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QCheckBox" name="mutedCheckbox">
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<property name="text">
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<string>Muted</string>
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</property>
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</widget>
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</item>
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</layout>
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</item>
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<item>
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<spacer name="horizontalSpacer_2">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>40</width>
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<height>20</height>
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</size>
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</property>
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</spacer>
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</item>
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</layout>
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</item>
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<item>
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<widget class="QDialogButtonBox" name="buttonBox">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="standardButtons">
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<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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<resources/>
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<connections>
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<connection>
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<sender>buttonBox</sender>
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<signal>accepted()</signal>
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<receiver>MainDialog</receiver>
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<slot>accept()</slot>
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<hints>
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<hint type="sourcelabel">
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<x>248</x>
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<y>254</y>
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</hint>
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<hint type="destinationlabel">
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<x>157</x>
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<y>274</y>
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</hint>
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</hints>
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</connection>
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<connection>
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<sender>buttonBox</sender>
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<signal>rejected()</signal>
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<receiver>MainDialog</receiver>
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<slot>reject()</slot>
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<hints>
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<hint type="sourcelabel">
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<x>316</x>
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<y>260</y>
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</hint>
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<hint type="destinationlabel">
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<x>286</x>
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<y>274</y>
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</hint>
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</hints>
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</connection>
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</connections>
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</ui>
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@@ -0,0 +1,351 @@
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/*
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* Rosalie's Mupen GUI - https://github.com/Rosalie241/RMG
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* Copyright (C) 2020 Rosalie Wanders <rosalie@mailbox.org>
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*
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* This program is free software: you can redistribute it and/or modify
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||||
* it under the terms of the GNU General Public License version 3.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#define CORE_PLUGIN 1
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#define M64P_PLUGIN_PROTOTYPES 1
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#define AUDIO_PLUGIN_API_VERSION 0x020100
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#include <SDL.h>
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#include <SDL_audio.h>
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#include <UserInterface/MainDialog.hpp>
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#include <RMG-Core/Core.hpp>
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//
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// Local variables
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//
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static SDL_AudioDeviceID l_SDLDevice;
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static SDL_AudioSpec* l_HardwareSpec = nullptr;
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static bool l_PluginInit = false;
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static int l_GameFreq = 0;
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static AUDIO_INFO l_AudioInfo;
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static bool l_VolIsMuted = false;
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static bool l_Paused = false;
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static bool l_FastForward = false;
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static int l_VolSDL = SDL_MIX_MAXVOLUME;
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static SDL_AudioStream* l_AudioStream = nullptr;
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static uint8_t l_PrimaryBuffer[0x40000];
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static uint8_t l_OutputBuffer[0x40000];
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static uint8_t l_MixBuffer[0x40000];
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//
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// Local Functions
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//
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static void load_settings(void)
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{
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l_VolIsMuted = CoreSettingsGetBoolValue(SettingsID::Audio_Muted);
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l_VolSDL = SDL_MIX_MAXVOLUME * CoreSettingsGetIntValue(SettingsID::Audio_Volume) / 100;
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l_FastForward = false;
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}
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//
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// Basic Plugin Functions
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//
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EXPORT m64p_error CALL PluginStartup(m64p_dynlib_handle CoreLibHandle, void *Context, void (*DebugCallback)(void *, int, const char *))
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{
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if (l_PluginInit)
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{
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return M64ERR_ALREADY_INIT;
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}
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if (SDL_Init(SDL_INIT_AUDIO) < 0)
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{
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return M64ERR_SYSTEM_FAIL;
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}
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if (!CoreInit(CoreLibHandle))
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{
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return M64ERR_SYSTEM_FAIL;
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}
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load_settings();
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l_PluginInit = true;
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return M64ERR_SUCCESS;
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}
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EXPORT m64p_error CALL PluginShutdown(void)
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{
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if (!l_PluginInit)
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{
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return M64ERR_NOT_INIT;
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}
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if (l_HardwareSpec != nullptr)\
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{
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free(l_HardwareSpec);
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l_HardwareSpec = NULL;
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}
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SDL_QuitSubSystem(SDL_INIT_AUDIO);
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l_PluginInit = false;
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return M64ERR_SUCCESS;
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}
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EXPORT m64p_error CALL PluginGetVersion(m64p_plugin_type *pluginType, int *pluginVersion,
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int *apiVersion, const char **pluginNamePtr, int *capabilities)
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{
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if (pluginType != nullptr)
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{
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*pluginType = M64PLUGIN_AUDIO;
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}
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if (pluginVersion != nullptr)
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{
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*pluginVersion = 0x010000;
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}
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if (apiVersion != nullptr)
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{
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*apiVersion = AUDIO_PLUGIN_API_VERSION;
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}
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if (pluginNamePtr != nullptr)
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{
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*pluginNamePtr = "Rosalie's Mupen GUI - Audio Plugin";
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}
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if (capabilities != nullptr)
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{
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*capabilities = 0;
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}
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return M64ERR_SUCCESS;
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||||
}
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//
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// Custom Plugin Functions
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//
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EXPORT m64p_error CALL PluginConfig(void)
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{
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if (!l_PluginInit)
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{
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return M64ERR_NOT_INIT;
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||||
}
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UserInterface::MainDialog dialog(nullptr);
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dialog.exec();
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// reload settings
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load_settings();
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return M64ERR_SUCCESS;
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||||
}
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||||
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//
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// Audio Plugin Functions
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//
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||||
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||||
EXPORT void CALL AiDacrateChanged( int SystemType )
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||||
{
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||||
if (!l_PluginInit)
|
||||
{
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||||
return;
|
||||
}
|
||||
|
||||
switch (SystemType)
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||||
{
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||||
case SYSTEM_NTSC:
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l_GameFreq = 48681812 / (*l_AudioInfo.AI_DACRATE_REG + 1);
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break;
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case SYSTEM_PAL:
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||||
l_GameFreq = 49656530 / (*l_AudioInfo.AI_DACRATE_REG + 1);
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break;
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||||
case SYSTEM_MPAL:
|
||||
l_GameFreq = 48628316 / (*l_AudioInfo.AI_DACRATE_REG + 1);
|
||||
break;
|
||||
}
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||||
SDL_FreeAudioStream(l_AudioStream);
|
||||
l_AudioStream = SDL_NewAudioStream(AUDIO_S16SYS, 2, l_GameFreq, l_HardwareSpec->format, 2, l_HardwareSpec->freq);
|
||||
}
|
||||
|
||||
EXPORT void CALL AiLenChanged( void )
|
||||
{
|
||||
if (!l_PluginInit)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
unsigned int LenReg = *l_AudioInfo.AI_LEN_REG;
|
||||
unsigned char *p = l_AudioInfo.RDRAM + (*l_AudioInfo.AI_DRAM_ADDR_REG & 0xFFFFFF);
|
||||
|
||||
unsigned int i;
|
||||
|
||||
for ( i = 0 ; i < LenReg ; i += 4 )
|
||||
{
|
||||
// Left channel
|
||||
l_PrimaryBuffer[ i ] = p[ i + 2 ];
|
||||
l_PrimaryBuffer[ i + 1 ] = p[ i + 3 ];
|
||||
|
||||
// Right channel
|
||||
l_PrimaryBuffer[ i + 2 ] = p[ i ];
|
||||
l_PrimaryBuffer[ i + 3 ] = p[ i + 1 ];
|
||||
}
|
||||
|
||||
if (!l_VolIsMuted && !l_FastForward)
|
||||
{
|
||||
unsigned int audio_queued = SDL_GetQueuedAudioSize(l_SDLDevice);
|
||||
unsigned int acceptable_latency = (l_HardwareSpec->freq * 0.2) * 4;
|
||||
unsigned int min_latency = (l_HardwareSpec->freq * 0.02) * 4;
|
||||
|
||||
if (!l_Paused && audio_queued < min_latency)
|
||||
{
|
||||
SDL_PauseAudioDevice(l_SDLDevice, 1);
|
||||
l_Paused = true;
|
||||
}
|
||||
else if (l_Paused && audio_queued >= (min_latency * 2))
|
||||
{
|
||||
SDL_PauseAudioDevice(l_SDLDevice, 0);
|
||||
l_Paused = true;
|
||||
}
|
||||
|
||||
if (audio_queued < acceptable_latency)
|
||||
{
|
||||
SDL_AudioStreamPut(l_AudioStream, l_PrimaryBuffer, LenReg);
|
||||
}
|
||||
|
||||
int output_length = SDL_AudioStreamGet(l_AudioStream, l_OutputBuffer, sizeof(l_OutputBuffer));
|
||||
if (output_length > 0)
|
||||
{
|
||||
SDL_memset(l_MixBuffer, 0, output_length);
|
||||
SDL_MixAudioFormat(l_MixBuffer, l_OutputBuffer, l_HardwareSpec->format, output_length, l_VolSDL);
|
||||
SDL_QueueAudio(l_SDLDevice, l_MixBuffer, output_length);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
EXPORT int CALL InitiateAudio( AUDIO_INFO Audio_Info )
|
||||
{
|
||||
if (!l_PluginInit)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
l_GameFreq = 33600;
|
||||
l_AudioInfo = Audio_Info;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
EXPORT int CALL RomOpen(void)
|
||||
{
|
||||
if (!l_PluginInit)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
SDL_AudioSpec *desired, *obtained;
|
||||
if (l_HardwareSpec != nullptr)
|
||||
{
|
||||
free(l_HardwareSpec);
|
||||
}
|
||||
desired = (SDL_AudioSpec*)malloc(sizeof(SDL_AudioSpec));
|
||||
obtained = (SDL_AudioSpec*)malloc(sizeof(SDL_AudioSpec));
|
||||
desired->freq = 44100;
|
||||
desired->format = AUDIO_S16SYS;
|
||||
desired->channels = 2;
|
||||
desired->samples = 1024;
|
||||
desired->callback = nullptr;
|
||||
desired->userdata = nullptr;
|
||||
|
||||
const char *dev_name = SDL_GetAudioDeviceName(-1, 0);
|
||||
l_SDLDevice = SDL_OpenAudioDevice(dev_name, 0, desired, obtained, SDL_AUDIO_ALLOW_FREQUENCY_CHANGE);
|
||||
free(desired);
|
||||
l_HardwareSpec = obtained;
|
||||
SDL_PauseAudioDevice(l_SDLDevice, 0);
|
||||
l_Paused = 0;
|
||||
l_AudioStream = SDL_NewAudioStream(AUDIO_S16SYS, 2, l_GameFreq, l_HardwareSpec->format, 2, l_HardwareSpec->freq);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
EXPORT void CALL RomClosed( void )
|
||||
{
|
||||
if (!l_PluginInit)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
SDL_ClearQueuedAudio(l_SDLDevice);
|
||||
SDL_CloseAudioDevice(l_SDLDevice);
|
||||
|
||||
if (l_HardwareSpec != nullptr)
|
||||
{
|
||||
free(l_HardwareSpec);
|
||||
l_HardwareSpec = nullptr;
|
||||
}
|
||||
|
||||
SDL_FreeAudioStream(l_AudioStream);
|
||||
l_AudioStream = nullptr;
|
||||
}
|
||||
|
||||
EXPORT void CALL ProcessAList(void)
|
||||
{
|
||||
}
|
||||
|
||||
EXPORT void CALL SetSpeedFactor(int percentage)
|
||||
{
|
||||
if (percentage > 100)
|
||||
{
|
||||
l_FastForward = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
l_FastForward = false;
|
||||
}
|
||||
}
|
||||
|
||||
EXPORT void CALL VolumeMute(void)
|
||||
{
|
||||
if (!l_PluginInit)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
l_VolIsMuted = !l_VolIsMuted;
|
||||
}
|
||||
|
||||
EXPORT void CALL VolumeUp(void)
|
||||
{
|
||||
}
|
||||
|
||||
EXPORT void CALL VolumeDown(void)
|
||||
{
|
||||
}
|
||||
|
||||
EXPORT int CALL VolumeGetLevel(void)
|
||||
{
|
||||
return l_VolIsMuted ? 0 : 100;
|
||||
}
|
||||
|
||||
EXPORT void CALL VolumeSetLevel(int level)
|
||||
{
|
||||
if (level < 0)
|
||||
{
|
||||
level = 0;
|
||||
}
|
||||
else if (level > 100)
|
||||
{
|
||||
level = 100;
|
||||
}
|
||||
|
||||
l_VolSDL = SDL_MIX_MAXVOLUME * level / 100;
|
||||
}
|
||||
|
||||
EXPORT const char * CALL VolumeGetString(void)
|
||||
{
|
||||
return "";
|
||||
}
|
||||
Reference in new issue
Block a user