From 2a924dd7ceeeb8abd0d6ee5085c247861c6257a6 Mon Sep 17 00:00:00 2001
From: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>
Date: Mon, 3 Jan 2022 17:25:10 -0800
Subject: [PATCH] Removes WAVUtil.h from Gems/Micropohone

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>
---
 Gems/Microphone/Code/CMakeLists.txt           |   2 -
 .../Code/Include/Microphone/WAVUtil.h         | 108 ------------------
 Gems/Microphone/Code/microphone_files.cmake   |   1 -
 3 files changed, 111 deletions(-)
 delete mode 100644 Gems/Microphone/Code/Include/Microphone/WAVUtil.h

diff --git a/Gems/Microphone/Code/CMakeLists.txt b/Gems/Microphone/Code/CMakeLists.txt
index 873d05e98d..bde4f59e4e 100644
--- a/Gems/Microphone/Code/CMakeLists.txt
+++ b/Gems/Microphone/Code/CMakeLists.txt
@@ -17,8 +17,6 @@ ly_add_target(
     PLATFORM_INCLUDE_FILES
         ${pal_source_dir}/platform_${PAL_PLATFORM_NAME_LOWERCASE}.cmake
     INCLUDE_DIRECTORIES
-        PRIVATE
-            Include
         PUBLIC
             Source
     BUILD_DEPENDENCIES
diff --git a/Gems/Microphone/Code/Include/Microphone/WAVUtil.h b/Gems/Microphone/Code/Include/Microphone/WAVUtil.h
deleted file mode 100644
index 9fdcc95a97..0000000000
--- a/Gems/Microphone/Code/Include/Microphone/WAVUtil.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (c) Contributors to the Open 3D Engine Project.
- * For complete copyright and license terms please see the LICENSE at the root of this distribution.
- *
- * SPDX-License-Identifier: Apache-2.0 OR MIT
- *
- */
-
-#include <AzCore/IO/FileIO.h>
-
-namespace Audio
-{
-    struct WAVHeader
-    {
-        AZ::u8 riffTag[4];
-        AZ::u32 fileSize;
-        AZ::u8 waveTag[4];
-        AZ::u8 fmtTag[4];
-        AZ::u32 fmtSize;
-        AZ::u16 audioFormat;
-        AZ::u16 channels;
-        AZ::u32 sampleRate;
-        AZ::u32 byteRate;
-        AZ::u16 blockAlign;
-        AZ::u16 bitsPerSample;
-        AZ::u8 dataTag[4];
-        AZ::u32 dataSize;
-
-        // defaults to 16 KHz 16 bit mono PCM format
-        inline WAVHeader()
-            : fileSize { 0 }
-            , fmtSize { 16 }
-            , audioFormat { 1 }
-            , channels { 1 }
-            , sampleRate { 16000 }
-            , bitsPerSample { 16 }
-            , byteRate { 16000 * 2 } // 16 bit is 2 bytes per sample
-            , blockAlign { 2 }
-            , dataSize { 0 }
-        {
-            memcpy(riffTag, "RIFF", 4);
-            memcpy(waveTag, "WAVE", 4);
-            memcpy(fmtTag, "fmt ", 4);
-            memcpy(dataTag, "data", 4);
-        }
-    };
-
-
-    class WAVUtil
-    {
-    public:
-        WAVHeader m_wavHeader;
-        
-        inline WAVUtil(AZ::u32 sampleRate, AZ::u16 bitsPerSample, AZ::u16 channels, bool isFloat)
-        {
-            m_wavHeader.sampleRate = sampleRate;
-            m_wavHeader.bitsPerSample = bitsPerSample;
-            m_wavHeader.channels = channels;
-            m_wavHeader.byteRate = static_cast<AZ::u32>(sampleRate * channels * (bitsPerSample / 8));
-            m_wavHeader.audioFormat = isFloat ? 3 : 1;  // 1 = PCM 3 = IEEE Float
-        }
-
-        // Set the wav buffer to use for class operations. This buffer should have reserved
-        // space at the beginning of the buffer in the amount of sizeof(WAVHeader) which
-        // this function will write over. The remaining data should be sound data that
-        // matches your format
-        inline bool SetBuffer(AZ::u8* buffer, AZStd::size_t bufferSize)
-        {
-            if(buffer == nullptr || bufferSize <= sizeof(WAVHeader))
-            {
-                return false;
-            }
-            m_buffer = buffer;
-            m_bufferSize = bufferSize;
-            m_wavHeader.fileSize = bufferSize - 8;   // the 'RIFF' tag and filesize aren't counted in this.
-            m_wavHeader.dataSize = bufferSize - sizeof(WAVHeader);
-            AZ::u8* headerBuff = reinterpret_cast<AZ::u8*>(&m_wavHeader);
-            ::memcpy(m_buffer, headerBuff, sizeof(WAVHeader));
-            return true;
-        }
-
-        inline bool WriteWAVToFile(const AZStd::string& filePath)
-        {
-            if(m_buffer == nullptr || m_bufferSize == 0)
-            {
-                AZ_TracePrintf("WAVUtil", "WAV buffer invalid, unable to write file. Buffer Ptr: %d, Buffer Size: %d\n", m_buffer, m_bufferSize);
-                return false;
-            }
-            AZ::IO::FileIOStream fileStream(filePath.c_str(), AZ::IO::OpenMode::ModeWrite | AZ::IO::OpenMode::ModeBinary);
-            if (fileStream.IsOpen())
-            {
-                [[maybe_unused]] auto bytesWritten = fileStream.Write(m_bufferSize, m_buffer);
-                AZ_TracePrintf("WAVUtil", "Wrote WAV file: %s, %d bytes\n", filePath.c_str(), bytesWritten);
-                return true;
-            }       
-            else
-            {
-                AZ_TracePrintf("WAVUtil", "Unable to write WAV file, can't open stream for file %s\n", filePath.c_str());
-                return false;
-            }
-        }
-    
-    private:
-        AZ::u8* m_buffer = nullptr;
-        AZStd::size_t m_bufferSize = 0;
-
-    };
-}
diff --git a/Gems/Microphone/Code/microphone_files.cmake b/Gems/Microphone/Code/microphone_files.cmake
index 7ae423e995..4a8acf232d 100644
--- a/Gems/Microphone/Code/microphone_files.cmake
+++ b/Gems/Microphone/Code/microphone_files.cmake
@@ -11,5 +11,4 @@ set(FILES
     Source/MicrophoneSystemComponent.h
     Source/SimpleDownsample.cpp
     Source/SimpleDownsample.h
-    Include/Microphone/WAVUtil.h
 )