//--------------------------------------------------------------------------------------
// File: WAVFileReader.h
//
// Functions for loading WAV audio files
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// http://go.microsoft.com/fwlink/?LinkId=248929
// http://go.microsoft.com/fwlink/?LinkID=615561
//-------------------------------------------------------------------------------------

#pragma once

#include <objbase.h>

#include <cstdint>
#include <memory>
#include <mmreg.h>


namespace DirectX
{
    HRESULT LoadWAVAudioInMemory(
        _In_reads_bytes_(wavDataSize) const uint8_t* wavData,
        _In_ size_t wavDataSize,
        _Outptr_ const WAVEFORMATEX** wfx,
        _Outptr_ const uint8_t** startAudio,
        _Out_ uint32_t* audioBytes) noexcept;

    HRESULT LoadWAVAudioFromFile(
        _In_z_ const wchar_t* szFileName,
        _Inout_ std::unique_ptr<uint8_t[]>& wavData,
        _Outptr_ const WAVEFORMATEX** wfx,
        _Outptr_ const uint8_t** startAudio,
        _Out_ uint32_t* audioBytes) noexcept;

    struct WAVData
    {
        const WAVEFORMATEX* wfx;
        const uint8_t* startAudio;
        uint32_t audioBytes;
        uint32_t loopStart;
        uint32_t loopLength;
        const uint32_t* seek;       // Note: XMA Seek data is Big-Endian
        uint32_t seekCount;
    };

    HRESULT LoadWAVAudioInMemoryEx(
        _In_reads_bytes_(wavDataSize) const uint8_t* wavData,
        _In_ size_t wavDataSize,
        _Out_ WAVData& result) noexcept;

    HRESULT LoadWAVAudioFromFileEx(
        _In_z_ const wchar_t* szFileName,
        _Inout_ std::unique_ptr<uint8_t[]>& wavData,
        _Out_ WAVData& result) noexcept;
}