Tool refactoring

archive/tools/tools/audiogen/AudioGen.cpp

@@ -0,0 +1,60 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "AudioGen.hpp"
+
+using namespace Dawn;
+
+std::vector<std::string> AudioGen::getRequiredFlags() {
+  return std::vector<std::string>{ "input", "output" };
+}
+
+int32_t AudioGen::start() {
+  // Finished with XML data, now we can write data out.
+  File fileOut(flags["output"] + ".audio");
+  if(fileOut.exists()) return 0;
+
+  // Load input file
+  AudioFile<double> audioFile;
+  if(!audioFile.load(flags["input"])) {
+    printf("Failed to load audio file.\n");
+    return 1;
+  }
+
+  // Open Output File
+  fileOut.mkdirp();
+  if(!fileOut.open(FILE_MODE_WRITE)) {
+    std::cout << "Failed to open " << fileOut.filename << " output for writing" << std::endl;
+    return 1;
+  }
+
+  // Write Header
+  char buffer[FILE_BUFFER_SIZE];
+  sprintf(buffer, "%i|%i|%i|%i|",
+    audioFile.getNumChannels(),
+    audioFile.getSampleRate(),
+    audioFile.getNumSamplesPerChannel(),
+    audioFile.getNumSamplesPerChannel() * audioFile.getNumChannels()*(
+      sizeof(int16_t) / sizeof(uint8_t)
+    )
+  );
+  auto bufferLength = strlen(buffer);
+  fileOut.writeRaw(buffer, bufferLength);
+
+  // Convert Data to 16 bit audio
+  for (int32_t i = 0; i < audioFile.getNumSamplesPerChannel(); i++) {
+    for(int32_t y = 0; y < audioFile.getNumChannels(); y++) {
+      double sample = audioFile.samples[y][i];
+      sample = sample < -1 ? -1 : sample > 1 ? 1 : sample;
+      auto q = static_cast<int16_t> (sample * 32767.);
+      
+      buffer[0] = (q >> 8) & 0xFF;
+      buffer[1] = q & 0xFF;
+      fileOut.writeRaw(buffer, 2);
+    }
+  }
+
+  return 0;
+}

archive/tools/tools/audiogen/AudioGen.hpp

@@ -0,0 +1,19 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "util/DawnTool.hpp"
+#include "util/File.hpp"
+#include "AudioFile.h"
+
+namespace Dawn {
+  class AudioGen : public DawnTool {
+    protected:
+      std::vector<std::string> getRequiredFlags() override;
+
+    public:
+      int32_t start();
+  };
+}

archive/tools/tools/audiogen/CMakeLists.txt

@@ -0,0 +1,38 @@
+# Copyright (c) 2023 Dominic Msters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+project(audiogen VERSION 1.0)
+add_executable(audiogen)
+
+# Sources
+target_sources(audiogen
+  PRIVATE
+    ${DAWN_SHARED_SOURCES}
+    ${DAWN_TOOL_SOURCES}
+    AudioGen.cpp
+)
+
+# Includes
+target_include_directories(audiogen
+  PUBLIC
+    ${DAWN_SHARED_INCLUDES}
+    ${DAWN_TOOL_INCLUDES}
+    ${CMAKE_CURRENT_LIST_DIR}
+)
+
+# Definitions
+target_compile_definitions(audiogen
+  PUBLIC
+    ${DAWN_SHARED_DEFINITIONS}
+    DAWN_TOOL_INSTANCE=AudioGen
+    DAWN_TOOL_HEADER="AudioGen.hpp"
+)
+
+# Libraries
+target_link_libraries(audiogen
+  PUBLIC
+    ${DAWN_BUILD_HOST_LIBS}
+    AudioFile
+)