MPEG1WAVEFORMAT

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct WAVEFORMATEX
{
    public ushort wFormatTag;
    public ushort nChannels;
    public uint nSamplesPerSec;
    public uint nAvgBytesPerSec;
    public ushort nBlockAlign;
    public ushort wBitsPerSample;
    public ushort cbSize;
}

[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct MPEG1WAVEFORMAT
{
    public WAVEFORMATEX wfx;
    public ushort fwHeadLayer;
    public uint dwHeadBitrate;
    public ushort fwHeadMode;
    public ushort fwHeadModeExt;
    public ushort wHeadEmphasis;
    public ushort fwHeadFlags;
    public uint dwPTSLow;
    public uint dwPTSHigh;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, Pack:=1, CharSet:=CharSet.Unicode)>
Public Structure WAVEFORMATEX
    Public wFormatTag As UShort
    Public nChannels As UShort
    Public nSamplesPerSec As UInteger
    Public nAvgBytesPerSec As UInteger
    Public nBlockAlign As UShort
    Public wBitsPerSample As UShort
    Public cbSize As UShort
End Structure

<StructLayout(LayoutKind.Sequential, Pack:=1, CharSet:=CharSet.Unicode)>
Public Structure MPEG1WAVEFORMAT
    Public wfx As WAVEFORMATEX
    Public fwHeadLayer As UShort
    Public dwHeadBitrate As UInteger
    Public fwHeadMode As UShort
    Public fwHeadModeExt As UShort
    Public wHeadEmphasis As UShort
    Public fwHeadFlags As UShort
    Public dwPTSLow As UInteger
    Public dwPTSHigh As UInteger
End Structure

import ctypes
from ctypes import wintypes

class WAVEFORMATEX(ctypes.Structure):
    _pack_ = 1
    _fields_ = [
        ("wFormatTag", ctypes.c_ushort),
        ("nChannels", ctypes.c_ushort),
        ("nSamplesPerSec", wintypes.DWORD),
        ("nAvgBytesPerSec", wintypes.DWORD),
        ("nBlockAlign", ctypes.c_ushort),
        ("wBitsPerSample", ctypes.c_ushort),
        ("cbSize", ctypes.c_ushort),
    ]

class MPEG1WAVEFORMAT(ctypes.Structure):
    _pack_ = 1
    _fields_ = [
        ("wfx", WAVEFORMATEX),
        ("fwHeadLayer", ctypes.c_ushort),
        ("dwHeadBitrate", wintypes.DWORD),
        ("fwHeadMode", ctypes.c_ushort),
        ("fwHeadModeExt", ctypes.c_ushort),
        ("wHeadEmphasis", ctypes.c_ushort),
        ("fwHeadFlags", ctypes.c_ushort),
        ("dwPTSLow", wintypes.DWORD),
        ("dwPTSHigh", wintypes.DWORD),
    ]

#[repr(C, packed(1))]
pub struct WAVEFORMATEX {
    pub wFormatTag: u16,
    pub nChannels: u16,
    pub nSamplesPerSec: u32,
    pub nAvgBytesPerSec: u32,
    pub nBlockAlign: u16,
    pub wBitsPerSample: u16,
    pub cbSize: u16,
}

#[repr(C, packed(1))]
pub struct MPEG1WAVEFORMAT {
    pub wfx: WAVEFORMATEX,
    pub fwHeadLayer: u16,
    pub dwHeadBitrate: u32,
    pub fwHeadMode: u16,
    pub fwHeadModeExt: u16,
    pub wHeadEmphasis: u16,
    pub fwHeadFlags: u16,
    pub dwPTSLow: u32,
    pub dwPTSHigh: u32,
}

import "golang.org/x/sys/windows"

type WAVEFORMATEX struct {
	wFormatTag uint16
	nChannels uint16
	nSamplesPerSec uint32
	nAvgBytesPerSec uint32
	nBlockAlign uint16
	wBitsPerSample uint16
	cbSize uint16
}

type MPEG1WAVEFORMAT struct {
	wfx WAVEFORMATEX
	fwHeadLayer uint16
	dwHeadBitrate uint32
	fwHeadMode uint16
	fwHeadModeExt uint16
	wHeadEmphasis uint16
	fwHeadFlags uint16
	dwPTSLow uint32
	dwPTSHigh uint32
}

type
  WAVEFORMATEX = packed record
    wFormatTag: Word;
    nChannels: Word;
    nSamplesPerSec: DWORD;
    nAvgBytesPerSec: DWORD;
    nBlockAlign: Word;
    wBitsPerSample: Word;
    cbSize: Word;
  end;

  MPEG1WAVEFORMAT = packed record
    wfx: WAVEFORMATEX;
    fwHeadLayer: Word;
    dwHeadBitrate: DWORD;
    fwHeadMode: Word;
    fwHeadModeExt: Word;
    wHeadEmphasis: Word;
    fwHeadFlags: Word;
    dwPTSLow: DWORD;
    dwPTSHigh: DWORD;
  end;

const WAVEFORMATEX = extern struct {
    wFormatTag: u16,
    nChannels: u16,
    nSamplesPerSec: u32,
    nAvgBytesPerSec: u32,
    nBlockAlign: u16,
    wBitsPerSample: u16,
    cbSize: u16,
};

const MPEG1WAVEFORMAT = extern struct {
    wfx: WAVEFORMATEX,
    fwHeadLayer: u16,
    dwHeadBitrate: u32,
    fwHeadMode: u16,
    fwHeadModeExt: u16,
    wHeadEmphasis: u16,
    fwHeadFlags: u16,
    dwPTSLow: u32,
    dwPTSHigh: u32,
};

type
  WAVEFORMATEX {.packed.} = object
    wFormatTag: uint16
    nChannels: uint16
    nSamplesPerSec: uint32
    nAvgBytesPerSec: uint32
    nBlockAlign: uint16
    wBitsPerSample: uint16
    cbSize: uint16

  MPEG1WAVEFORMAT {.packed.} = object
    wfx: WAVEFORMATEX
    fwHeadLayer: uint16
    dwHeadBitrate: uint32
    fwHeadMode: uint16
    fwHeadModeExt: uint16
    wHeadEmphasis: uint16
    fwHeadFlags: uint16
    dwPTSLow: uint32
    dwPTSHigh: uint32

align(1)
struct WAVEFORMATEX
{
    ushort wFormatTag;
    ushort nChannels;
    uint nSamplesPerSec;
    uint nAvgBytesPerSec;
    ushort nBlockAlign;
    ushort wBitsPerSample;
    ushort cbSize;
}

align(1)
struct MPEG1WAVEFORMAT
{
    WAVEFORMATEX wfx;
    ushort fwHeadLayer;
    uint dwHeadBitrate;
    ushort fwHeadMode;
    ushort fwHeadModeExt;
    ushort wHeadEmphasis;
    ushort fwHeadFlags;
    uint dwPTSLow;
    uint dwPTSHigh;
}