Directx 将directdx转换为slimdx
嘿，我在从directx转换到slimdx时遇到问题。我的操作系统是windows 7 64位。下面是无法工作的旧directx代码：Directx 将directdx转换为slimdx,directx,slimdx,Directx,Slimdx,嘿，我在从directx转换到slimdx时遇到问题。我的操作系统是windows 7 64位。下面是无法工作的旧directx代码： Imports Microsoft.DirectX.DirectSound Imports System.Threading Imports System.Collections.Specialized Public Class VU_Sound_Form Private Const SAMPLES As Integer = 8 Privat
Imports Microsoft.DirectX.DirectSound
Imports System.Threading
Imports System.Collections.Specialized
Public Class VU_Sound_Form
Private Const SAMPLES As Integer = 8
Private Shared SAMPLE_FORMAT_ARRAY As Integer() = {SAMPLES, 2, 1}
Public Shared audioDevices As CaptureDevicesCollection
Private Shared m_deviceNames As StringCollection
Private deviceIndex As Integer = -1
Private buffer As Microsoft.DirectX.DirectSound.CaptureBuffer
Private liveVolumeThread As System.Threading.Thread
Private m_frameDelay As Integer = 20
Private Range_Division As Integer = 10
'FrameDelay - the time in milliseconds between animation frames, measured in milliseconds.
'Values between 10 and 30 generally give good results, default is 20.
Private Sub VU_Sound_Form_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim audioDevices As New CaptureDevicesCollection
Dim x As Integer = 0
MsgBox(audioDevices.Count.ToString())
While x < audioDevices.Count
ComboBox1.Items.Add(audioDevices.Item(x).Description)
' x = x + 1
End While
ComboBox1.SelectedIndex = 0
Start()
End Sub
Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
Start()
End Sub
Public Sub Start()
[Stop]()
Dim audioDevices As New CaptureDevicesCollection
deviceIndex = ComboBox1.SelectedIndex
If deviceIndex <> -1 Then
' initialize the capture buffer and start the animation thread
Dim cap As New Capture(audioDevices(deviceIndex).DriverGuid)
Dim desc As New CaptureBufferDescription()
Dim wf As New WaveFormat()
wf.BitsPerSample = 16
wf.SamplesPerSecond = 44100
wf.Channels = 2
wf.BlockAlign = CShort(wf.Channels * wf.BitsPerSample / 8)
wf.AverageBytesPerSecond = wf.BlockAlign * wf.SamplesPerSecond
wf.FormatTag = WaveFormatTag.Pcm
desc.Format = wf
desc.BufferBytes = SAMPLES * wf.BlockAlign
buffer = New Microsoft.DirectX.DirectSound.CaptureBuffer(desc, cap)
buffer.Start(True)
' Start a seperate thread to read the buffer and update the progress bars
liveVolumeThread = New Thread(AddressOf updateProgress) 'Thread starts at updateProgress
Control.CheckForIllegalCrossThreadCalls = False ' This is needed otherwise the form will not update
liveVolumeThread.Priority = ThreadPriority.Lowest ' Thread works in the background
liveVolumeThread.Start()
End If
End Sub
Public Sub [Stop]()
If liveVolumeThread IsNot Nothing Then
liveVolumeThread.Abort()
liveVolumeThread.Join()
liveVolumeThread = Nothing
End If
If buffer IsNot Nothing Then
If buffer.Capturing Then
buffer.[Stop]()
End If
buffer.Dispose()
buffer = Nothing
End If
End Sub
Public Sub updateProgress()
While True
Dim tempFrameDelay As Integer = m_frameDelay
Dim samples__1 As Array = buffer.Read(0, GetType(Int16), LockFlag.FromWriteCursor, SAMPLE_FORMAT_ARRAY)
Dim leftGoal As Integer = 0
Dim rightGoal As Integer = 0
' Convert the 8 samples to positive values and sum them togather
For i As Integer = 0 To SAMPLES - 1
If CType(samples__1.GetValue(i, 0, 0), Int16) < 0 Then
leftGoal -= CType(samples__1.GetValue(i, 0, 0), Int16)
Else
leftGoal += CType(samples__1.GetValue(i, 0, 0), Int16)
End If
If CType(samples__1.GetValue(i, 1, 0), Int16) < 0 Then
rightGoal -= CType(samples__1.GetValue(i, 1, 0), Int16)
Else
rightGoal += CType(samples__1.GetValue(i, 1, 0), Int16)
End If
Next
' Calculate the average of the 8 samples
leftGoal = CInt(Math.Abs(leftGoal \ SAMPLES))
rightGoal = CInt(Math.Abs(rightGoal \ SAMPLES))
' Convert values to deecibels
If leftGoal = 0 Then leftGoal = 1
If rightGoal = 0 Then rightGoal = 1
leftGoal = (100 + (20 * Math.Log10(leftGoal / 32768)))
rightGoal = (100 + (20 * Math.Log10(rightGoal / 32768)))
'By adding 100 sets the display range from 0 to 100
'By limiting the progreess bars to 74-100 gives a viewed range of +10dB to -26dB
'Trap the range between 74-100, giving a 26dB meter
If leftGoal < 74 Then leftGoal = 74
If rightGoal < 74 Then rightGoal = 74 ' Set the display range to minimum -10dB
If leftGoal > 100 Then leftGoal = 100
If rightGoal > 100 Then rightGoal = 100
Dim range1 As Double = leftGoal - ProgressBar1.Value ' calculates the difference between new and the current progress bar value
Dim range2 As Double = rightGoal - ProgressBar2.Value
' Assign the exact current value of the progress bar
Dim exactValue1 As Double = ProgressBar1.Value
Dim exactValue2 As Double = ProgressBar2.Value
Dim stepSize1 As Double = range1 / Range_Division
Dim absStepSize1 As Double = Math.Abs(stepSize1)
Dim stepSize2 As Double = range2 / Range_Division
Dim absStepSize2 As Double = Math.Abs(stepSize2)
If ProgressBar1.Value < leftGoal Then ' Display the peak
ProgressBar1.Value = leftGoal
End If
If ProgressBar1.Value > leftGoal Then ' decrement the value by the Range_Division
If absStepSize1 < Math.Abs(leftGoal - ProgressBar1.Value) Then
exactValue1 += stepSize1
ProgressBar1.Value = Math.Truncate(exactValue1)
Else
ProgressBar1.Value = leftGoal
End If
End If
If ProgressBar2.Value < rightGoal Then
ProgressBar2.Value = rightGoal
End If
If ProgressBar2.Value > rightGoal Then ' decrement the value by the Range_Division
If absStepSize2 < Math.Abs(rightGoal - ProgressBar2.Value) Then
exactValue2 += stepSize2
ProgressBar2.Value = Math.Truncate(exactValue2)
Else
ProgressBar2.Value = rightGoal
End If
End If
Thread.Sleep(m_frameDelay)
End While
End Sub
Private Sub ProgressBar1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ProgressBar1.Click
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
End Sub
End Class
导入Microsoft.DirectX.DirectSound
导入系统线程
导入System.Collections.Specialized
公开课预习表
私有常量样本为整数=8
私有共享样本\格式\数组为整数（）={SAMPLES，2，1}
作为CaptureDevicesCollection的公共共享音频设备
作为StringCollection的专用共享m_设备名称
私有设备索引为整数=-1
专用缓冲区，如Microsoft.DirectX.DirectSound.CaptureBuffer
私有liveVolumeThread为System.Threading.Thread
专用m_帧延迟为整数=20
专用范围除以整数=10
'FrameDelay-动画帧之间的时间（以毫秒为单位），以毫秒为单位。
“10到30之间的值通常会给出良好的结果，默认值为20。
私有子VU_Sound_Form_Load（ByVal sender作为对象，ByVal e作为System.EventArgs）处理Me.Load
Dim音频设备作为新的CaptureDevicesCollection
尺寸x为整数=0
MsgBox（audioDevices.Count.ToString（））
而x<音频设备。计数
ComboBox1.Items.Add（audioDevices.Item（x）.Description）
'x=x+1
结束时
ComboBox1.SelectedIndex=0
开始（）
端接头
私有子Combox1\u SelectedIndexChanged（ByVal sender作为对象，ByVal e作为System.EventArgs）处理Combox1.SelectedIndexChanged
开始（）
端接头
公共子启动（）
[停止]（）
Dim音频设备作为新的CaptureDevicesCollection
deviceIndex=ComboBox1.SelectedIndex
如果设备索引为-1，则
'初始化捕获缓冲区并启动动画线程
作为新捕获的调暗盖（音频设备（deviceIndex）.DriverGuid）
作为新CaptureBufferDescription（）的Dim desc
作为新波形的Dim wf（）
wf.BitsPerSample=16
wf.SamplesPerSecond=44100
wf.Channels=2
wf.BlockAlign=CShort（wf.Channels*wf.BitsPerSample/8）
wf.AverageBytesPerSecond=wf.BlockAlign*wf.SamplesPerSecond
wf.FormatTag=WaveFormatTag.Pcm
描述格式=wf
desc.BufferBytes=SAMPLES*wf.BlockAlign
buffer=新的Microsoft.DirectX.DirectSound.CaptureBuffer（desc，cap）
buffer.Start（True）
'启动一个单独的线程来读取缓冲区并更新进度条
liveVolumeThread=新线程（updateProgress的地址）'线程从updateProgress开始
Control.CheckForIllegalCrossThreadCalls=False'这是必需的，否则表单将不会更新
liveVolumeThread.Priority=ThreadPriority.lower“线程在后台工作
liveVolumeThread.Start（）
如果结束
端接头
公共分[站]（）
如果liveVolumeThread不是什么，那么
liveVolumeThread.Abort（）
liveVolumeThread.Join（）
liveVolumeThread=无
如果结束
如果缓冲区不是空的，那么
如果是缓冲区，那么捕获
缓冲区。[停止]（）
如果结束
buffer.Dispose（）
缓冲区=无
如果结束
端接头
公共子updateProgress（）
虽然是真的
Dim tempFrameDelay作为整数=m_frameDelay
Dim samples\uuu 1 As Array=buffer.Read（0，GetType（Int16），LockFlag.FromWriteCursor，SAMPLE\uFormat\uArray）
Dim leftGoal作为整数=0
Dim rightGoal作为整数=0
'将8个样本转换为正值，并将它们相加
对于i，作为整数=0到采样数-1
如果CType（samples__1.GetValue（i，0，0），Int16）<0，那么
leftGoal-=CType（示例1.GetValue（i，0，0），Int16）
其他的
leftGoal+=CType（示例1.GetValue（i，0，0），Int16）
如果结束
如果CType（samples_uu1.GetValue（i，1，0），Int16）<0，那么
rightGoal-=CType（示例1.GetValue（i，1，0），Int16）
其他的
rightGoal+=CType（示例1.GetValue（i，1，0），Int16）
如果结束
下一个
'计算8个样本的平均值
leftGoal=CInt（Math.Abs（leftGoal\SAMPLES））
rightGoal=CInt（Math.Abs（rightGoal\SAMPLES））
'将值转换为Deecibel
如果leftGoal=0，则leftGoal=1
如果rightGoal=0，则rightGoal=1
leftGoal=（100+（20*Math.Log10（leftGoal/32768）））
rightGoal=（100+（20*Math.Log10（rightGoal/32768）））
'通过添加100将显示范围设置为0到100
'通过将进度条限制在74-100，可提供+10dB至-26dB的查看范围
'将范围限制在74-100之间，给出一个26分贝的米
如果leftGoal<74，则leftGoal=74
如果rightGoal<74，则rightGoal=74'将显示范围设置为最小-10dB
如果leftGoal>100，则leftGoal=100
如果rightGoal>100，则rightGoal=100
Dim range1 As Double=leftGoal-ProgressBar1.Value'计算新进度条值与当前进度条值之间的差值
Dim range2为Double=rightGoal-ProgressBar2.Value
'指定进度条的确切当前值
将exactValue1标注为Double=ProgressBar1.Value
将exactValue2标注为Double=ProgressBar2.Value
尺寸stepSize1为双=量程1/量程分区
尺寸absStepSize1为双精度=数学参数Abs（stepSize1）
尺寸步长2为双=量程2/量程分割
Dim Abs stepSize2为Double=Math.Abs（stepSize2）
如果ProgressBar1.ValueError 1 Overload resolution failed because no accessible 'New' accepts this number of arguments. C:\Users\UltimateSoul\Documents\Visual Studio 2010\Projects\WindowsApplication3\WindowsApplication3\Form1.vb 43 17 WindowsApplication3
Error 2 'CaptureBuffer' is a type and cannot be used as an expression. C:\Users\UltimateSoul\Documents\Visual Studio 2010\Projects\WindowsApplication3\WindowsApplication3\Form1.vb 56 22 WindowsApplication3
'Imports Microsoft.DirectX.DirectSound
Imports System.Threading
Imports System.Collections.Specialized
Imports SlimDX.DirectSound
Imports SlimDX.Multimedia
'Imports SlimDX.DirectSound
Public Class Form1
Private Const SAMPLES As Integer = 8
Private Shared SAMPLE_FORMAT_ARRAY As Integer() = {SAMPLES, 2, 1}
Public Shared audioDevices As DeviceCollection
Private Shared m_deviceNames As StringCollection
Private deviceIndex As Integer = -1
Private buffer As Microsoft.DirectX.DirectSound.CaptureBuffer
Private liveVolumeThread As System.Threading.Thread
Private m_frameDelay As Integer = 20
Private Range_Division As Integer = 10
'FrameDelay - the time in milliseconds between animation frames, measured in milliseconds.
'Values between 10 and 30 generally give good results, default is 20.
Private Sub VU_Sound_Form_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
End Sub
Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
Start()
End Sub
Public Sub Start()
[Stop]()
Dim audioDevices As New DeviceCollection
deviceIndex = ComboBox1.SelectedIndex
If deviceIndex <> -1 Then
' initialize the capture buffer and start the animation thread
Dim cap As New CaptureBuffer(audioDevices(deviceIndex).DriverGuid)
Dim desc As New CaptureBufferDescription()
Dim wf As New WaveFormat()
wf.BitsPerSample = 16
wf.SamplesPerSecond = 44100
wf.Channels = 2
wf.BlockAlignment = CShort(wf.Channels * wf.BitsPerSample / 8)
wf.AverageBytesPerSecond = wf.BlockAlignment * wf.SamplesPerSecond
wf.FormatTag = WaveFormatTag.Pcm
desc.Format = wf
desc.BufferBytes = SAMPLES * wf.BlockAlignment
buffer = CaptureBuffer(cap, desc)
buffer.Start(True)
' Start a seperate thread to read the buffer and update the progress bars
liveVolumeThread = New Thread(AddressOf updateProgress) 'Thread starts at updateProgress
Control.CheckForIllegalCrossThreadCalls = False ' This is needed otherwise the form will not update
liveVolumeThread.Priority = ThreadPriority.Lowest ' Thread works in the background
liveVolumeThread.Start()
End If
End Sub
Public Sub [Stop]()
If liveVolumeThread IsNot Nothing Then
liveVolumeThread.Abort()
liveVolumeThread.Join()
liveVolumeThread = Nothing
End If
If buffer IsNot Nothing Then
If buffer.Capturing Then
buffer.[Stop]()
End If
buffer.Dispose()
buffer = Nothing
End If
End Sub
Public Sub updateProgress()
While True
Dim tempFrameDelay As Integer = m_frameDelay
Dim samples__1 As Array = buffer.Read(0, GetType(Int16), LockFlags.FromWriteCursor, SAMPLE_FORMAT_ARRAY)
Dim leftGoal As Integer = 0
Dim rightGoal As Integer = 0
' Convert the 8 samples to positive values and sum them togather
For i As Integer = 0 To SAMPLES - 1
If CType(samples__1.GetValue(i, 0, 0), Int16) < 0 Then
leftGoal -= CType(samples__1.GetValue(i, 0, 0), Int16)
Else
leftGoal += CType(samples__1.GetValue(i, 0, 0), Int16)
End If
If CType(samples__1.GetValue(i, 1, 0), Int16) < 0 Then
rightGoal -= CType(samples__1.GetValue(i, 1, 0), Int16)
Else
rightGoal += CType(samples__1.GetValue(i, 1, 0), Int16)
End If
Next
' Calculate the average of the 8 samples
leftGoal = CInt(Math.Abs(leftGoal \ SAMPLES))
rightGoal = CInt(Math.Abs(rightGoal \ SAMPLES))
' Convert values to deecibels
If leftGoal = 0 Then leftGoal = 1
If rightGoal = 0 Then rightGoal = 1
leftGoal = (100 + (20 * Math.Log10(leftGoal / 32768)))
rightGoal = (100 + (20 * Math.Log10(rightGoal / 32768)))
'By adding 100 sets the display range from 0 to 100
'By limiting the progreess bars to 74-100 gives a viewed range of +10dB to -26dB
'Trap the range between 74-100, giving a 26dB meter
If leftGoal < 74 Then leftGoal = 74
If rightGoal < 74 Then rightGoal = 74 ' Set the display range to minimum -10dB
If leftGoal > 100 Then leftGoal = 100
If rightGoal > 100 Then rightGoal = 100
Dim range1 As Double = leftGoal - ProgressBar1.Value ' calculates the difference between new and the current progress bar value
Dim range2 As Double = rightGoal - ProgressBar2.Value
' Assign the exact current value of the progress bar
Dim exactValue1 As Double = ProgressBar1.Value
Dim exactValue2 As Double = ProgressBar2.Value
Dim stepSize1 As Double = range1 / Range_Division
Dim absStepSize1 As Double = Math.Abs(stepSize1)
Dim stepSize2 As Double = range2 / Range_Division
Dim absStepSize2 As Double = Math.Abs(stepSize2)
If ProgressBar1.Value < leftGoal Then ' Display the peak
ProgressBar1.Value = leftGoal
End If
If ProgressBar1.Value > leftGoal Then ' decrement the value by the Range_Division
If absStepSize1 < Math.Abs(leftGoal - ProgressBar1.Value) Then
exactValue1 += stepSize1
ProgressBar1.Value = Math.Truncate(exactValue1)
Else
ProgressBar1.Value = leftGoal
End If
End If
If ProgressBar2.Value < rightGoal Then
ProgressBar2.Value = rightGoal
End If
If ProgressBar2.Value > rightGoal Then ' decrement the value by the Range_Division
If absStepSize2 < Math.Abs(rightGoal - ProgressBar2.Value) Then
exactValue2 += stepSize2
ProgressBar2.Value = Math.Truncate(exactValue2)
Else
ProgressBar2.Value = rightGoal
End If
End If
Thread.Sleep(m_frameDelay)
End While
End Sub
Private Sub ProgressBar1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ProgressBar1.Click
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim audioDevices As New DeviceCollection
Dim x As Integer = 0
MsgBox(audioDevices.Count.ToString())
While x < audioDevices.Count
ComboBox1.Items.Add(audioDevices.Item(x).Description)
' x = x + 1
End While
ComboBox1.SelectedIndex = 0
Start()
End Sub
End Class
Dim cap As New CaptureBuffer(audioDevices(deviceIndex).DriverGuid)
buffer = CaptureBuffer(cap, desc)