private void listBoxAcmDrivers_DoubleClick(object sender, EventArgs e)
{
AcmDriver driver = listBoxAcmDrivers.SelectedItem as AcmDriver;
AcmDriverDetailsForm driverDetailsForm = new AcmDriverDetailsForm(driver);
driverDetailsForm.ShowDialog();
}
public void CanConvertImeAdpcmToPcm()
{
AcmDriver driver = AcmDriver.FindByShortName("Microsoft IMA ADPCM");
driver.Open();
try
{
foreach (AcmFormatTag formatTag in driver.FormatTags)
{
foreach (AcmFormat format in driver.GetFormats(formatTag))
{
if (format.FormatTag == WaveFormatEncoding.DviAdpcm ||
format.FormatTag == WaveFormatEncoding.ImaAdpcm)
{
// see if we can convert it to 16 bit PCM
Debug.WriteLine(String.Format("Converting {0} to PCM", format.WaveFormat));
CanCreateConversionStream(format.WaveFormat,
new WaveFormat(format.WaveFormat.SampleRate, 16, format.WaveFormat.Channels));
}
}
}
}
finally
{
driver.Close();
}
}
public AcmDriverDetailsForm(AcmDriver driver)
{
InitializeComponent();
AddLine("Long Name: {0}", driver.LongName);
AddLine("Short Name: {0}", driver.ShortName);
AddLine("Driver ID: {0}", driver.DriverId);
driver.Open();
AddLine("FormatTags:", driver.FormatTags);
foreach (AcmFormatTag formatTag in driver.FormatTags)
{
AddLine("{0}: {1}", formatTag.FormatTagIndex, formatTag.FormatDescription);
AddLine(" Standard Format Count: {0}", formatTag.StandardFormatsCount);
AddLine(" Support Flags: {0}", formatTag.SupportFlags);
AddLine(" Format Tag: {0}, Format Size: {1}", formatTag.FormatTag, formatTag.FormatSize);
AddLine(" Formats:");
foreach (AcmFormat format in driver.GetFormats(formatTag))
{
AddLine(" {0}: {1}", format.FormatIndex, format.FormatDescription);
AddLine(" FormatTag: {0}, Support Flags: {1}", format.FormatTag, format.SupportFlags);
AddLine(" WaveFormat: {0} {1}Hz {2} Channels {3} bits, Block Align: {4}, AverageBytesPerSecond: {5}, Extra Size: {6}",
format.WaveFormat.Encoding, format.WaveFormat.SampleRate, format.WaveFormat.Channels,
format.WaveFormat.BitsPerSample, format.WaveFormat.BlockAlign, format.WaveFormat.AverageBytesPerSecond,
format.WaveFormat.ExtraSize);
}
}
driver.Close();
}
private static void DescribeAcmDriver(AcmDriver driver, StringBuilder builder)
{
builder.AppendFormat("Long Name: {0}\r\n", driver.LongName);
builder.AppendFormat("Short Name: {0}\r\n", driver.ShortName);
builder.AppendFormat("Driver ID: {0}\r\n", driver.DriverId);
builder.AppendFormat("FormatTags:\r\n");
}
private void AcmForm_Load(object sender, EventArgs e)
{
foreach (AcmDriver driver in AcmDriver.EnumerateAcmDrivers())
{
listBoxAcmDrivers.Items.Add(driver);
}
}
private void RefreshDriversList()
{
listBoxAcmDrivers.Items.Clear();
foreach (var driver in AcmDriver.EnumerateAcmDrivers())
{
listBoxAcmDrivers.Items.Add(driver);
}
}
public void CanOpenAndCloseDriver()
{
IEnumerable <AcmDriver> drivers = AcmDriver.EnumerateAcmDrivers();
Assert.IsNotNull(drivers);
foreach (AcmDriver driver in drivers)
{
driver.Open();
driver.Close();
}
}
public void CanEnumerateDrivers()
{
IEnumerable <AcmDriver> drivers = AcmDriver.EnumerateAcmDrivers();
Assert.IsNotNull(drivers);
foreach (AcmDriver driver in drivers)
{
Assert.GreaterOrEqual((int)driver.DriverId, 0);
Assert.IsTrue(!String.IsNullOrEmpty(driver.ShortName));
Debug.WriteLine(driver.LongName);
}
}
private WaveFormat GetTargetFormat(WaveFormat inputFormat)
{
WaveFormat outputFormat;
string formatDescription;
string formatTagDescription;
AcmDriver.ShowFormatChooseDialog(
this.Handle,
"Select Compressed Format:",
AcmFormatEnumFlags.Convert,
inputFormat,
out outputFormat,
out formatDescription,
out formatTagDescription);
return(outputFormat);
/*
* if (radioButtonMuLaw.Checked)
* {
* return WaveFormat.CreateCustomFormat(
* WaveFormatEncoding.MuLaw,
* inputFormat.Channels,
* inputFormat.SampleRate,
* inputFormat.SampleRate * inputFormat.Channels,
* 1, 8);
* }
* else if (radioButtonALaw.Checked)
* {
* return WaveFormat.CreateCustomFormat(
* WaveFormatEncoding.ALaw,
* inputFormat.Channels,
* inputFormat.SampleRate,
* inputFormat.SampleRate * inputFormat.Channels,
* 1, 8);
* }
* else if (radioButtonGsm610.Checked)
* {
* return WaveFormat.CreateCustomFormat(
* WaveFormatEncoding.Gsm610,
* 1,
* 8000,
* 1625,
* 65, 0);
* }
* else if (radioButtonAdpcm.Checked)
* {
* return new WaveFormatAdpcm(8000, 1);
* }
* throw new NotImplementedException("Not implemented yet!");
*/
}
private string DescribeCodec(AcmDriver driver)
{
try
{
StringBuilder builder = new StringBuilder();
builder.AppendFormat("Long Name: {0}\r\n", driver.LongName);
builder.AppendFormat("Short Name: {0}\r\n", driver.ShortName);
builder.AppendFormat("Driver ID: {0}\r\n", driver.DriverId);
driver.Open();
builder.AppendFormat("FormatTags:\r\n");
foreach (AcmFormatTag formatTag in driver.FormatTags)
{
builder.AppendFormat("===========================================\r\n");
builder.AppendFormat("Format Tag {0}: {1}\r\n", formatTag.FormatTagIndex, formatTag.FormatDescription);
builder.AppendFormat(" Standard Format Count: {0}\r\n", formatTag.StandardFormatsCount);
builder.AppendFormat(" Support Flags: {0}\r\n", formatTag.SupportFlags);
builder.AppendFormat(" Format Tag: {0}, Format Size: {1}\r\n", formatTag.FormatTag, formatTag.FormatSize);
builder.AppendFormat(" Formats:\r\n");
foreach (AcmFormat format in driver.GetFormats(formatTag))
{
builder.AppendFormat(" ===========================================\r\n");
builder.AppendFormat(" Format {0}: {1}\r\n", format.FormatIndex, format.FormatDescription);
builder.AppendFormat(" FormatTag: {0}, Support Flags: {1}\r\n", format.FormatTag, format.SupportFlags);
builder.AppendFormat(" WaveFormat: {0} {1}Hz Channels: {2} Bits: {3} Block Align: {4}, AverageBytesPerSecond: {5} ({6:0.0} kbps), Extra Size: {7}\r\n",
format.WaveFormat.Encoding, format.WaveFormat.SampleRate, format.WaveFormat.Channels,
format.WaveFormat.BitsPerSample, format.WaveFormat.BlockAlign, format.WaveFormat.AverageBytesPerSecond,
(format.WaveFormat.AverageBytesPerSecond * 8) / 1000.0,
format.WaveFormat.ExtraSize);
if (format.WaveFormat is WaveFormatExtraData && format.WaveFormat.ExtraSize > 0)
{
WaveFormatExtraData wfed = (WaveFormatExtraData)format.WaveFormat;
builder.Append(" Extra Bytes:\r\n ");
for (int n = 0; n < format.WaveFormat.ExtraSize; n++)
{
builder.AppendFormat("{0:X2} ", wfed.ExtraData[n]);
}
builder.Append("\r\n");
}
}
}
driver.Close();
return(builder.ToString());
}
catch (Exception e)
{
return(e.ToString());
}
}
private void buttonChooseFormat_Click(object sender, EventArgs e)
{
WaveFormat selectedFormat;
string selectedFormatDescription;
string selectedFormatTagDescription;
if (AcmDriver.ShowFormatChooseDialog(this.Handle, "Choose a WaveFormat", AcmFormatEnumFlags.None,
null, out selectedFormat,
out selectedFormatDescription, out selectedFormatTagDescription))
{
MessageBox.Show(String.Format("{0}\r\n{1}\r\n{2}",
selectedFormatDescription,
selectedFormatTagDescription,
selectedFormat));
}
}
private WaveFormat GetTargetFormat(WaveFormat inputFormat)
{
WaveFormat outputFormat;
string formatDescription;
string formatTagDescription;
AcmDriver.ShowFormatChooseDialog(
Handle,
"Select Compressed Format:",
AcmFormatEnumFlags.Convert,
inputFormat,
out outputFormat,
out formatDescription,
out formatTagDescription);
return(outputFormat);
}
private void buttonAdd_Click(object sender, EventArgs args)
{
var codecFile = SelectFileToOpen("Select file to open", "ACM Codecs|*.acm;*.dll");
if (codecFile != null)
{
try
{
var driver = AcmDriver.AddLocalDriver(codecFile);
listBoxAcmDrivers.Items.Add(driver);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Error Adding Driver", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
/// ------------------------------------------------------------------------------------
public static WaveFormat GetDefaultWaveFormat(int channels)
{
WaveFormat bestFormat = null;
var pcmDriver = AcmDriver.EnumerateAcmDrivers().SingleOrDefault(d => d.ShortName == "MS-PCM");
if (pcmDriver != null)
{
pcmDriver.Open();
var formatTag = pcmDriver.FormatTags.SingleOrDefault(t => t.FormatTag == WaveFormatEncoding.Pcm);
if (formatTag != null)
{
foreach (var fmt in pcmDriver.GetFormats(formatTag))
{
if (bestFormat == null ||
fmt.WaveFormat.BitsPerSample > bestFormat.BitsPerSample ||
fmt.WaveFormat.SampleRate > bestFormat.SampleRate)
{
bestFormat = fmt.WaveFormat;
}
}
}
else
{
var msg = LocalizationManager.GetString("SoundFileUtils.ErrorFindingPcmConversionCapabilitiesMsg",
"There was an error trying to find PCM audio conversion capabilities on this computer. Ensure that you have a PCM sound driver installed.");
ErrorReport.NotifyUserOfProblem(msg);
}
pcmDriver.Close();
}
else
{
var msg = LocalizationManager.GetString("SoundFileUtils.ErrorFindingPcmAudioDriverMsg",
"There was an error trying to find a PCM audio driver on this computer. Ensure that you have a PCM sound driver installed.");
ErrorReport.NotifyUserOfProblem(msg);
}
return(new WaveFormat(bestFormat.SampleRate, bestFormat.BitsPerSample, channels));
}
public void CanEnumerateFormatTags()
{
foreach (AcmDriver driver in AcmDriver.EnumerateAcmDrivers())
{
Debug.WriteLine("Enumerating Format Tags for " + driver.LongName);
driver.Open();
IEnumerable <AcmFormatTag> formatTags = driver.FormatTags;
Assert.IsNotNull(formatTags, "FormatTags");
foreach (AcmFormatTag formatTag in formatTags)
{
Debug.WriteLine(String.Format("{0} {1} {2} Standard formats: {3} Support Flags: {4} Format Size: {5}",
formatTag.FormatTagIndex,
formatTag.FormatTag,
formatTag.FormatDescription,
formatTag.StandardFormatsCount,
formatTag.SupportFlags,
formatTag.FormatSize));
}
driver.Close();
}
}
public void CanEnumerateFormats()
{
using (AcmDriver driver = AcmDriver.FindByShortName("MS-ADPCM"))
{
driver.Open();
IEnumerable <AcmFormatTag> formatTags = driver.FormatTags;
Assert.IsNotNull(formatTags, "FormatTags");
foreach (AcmFormatTag formatTag in formatTags)
{
IEnumerable <AcmFormat> formats = driver.GetFormats(formatTag);
Assert.IsNotNull(formats);
foreach (AcmFormat format in formats)
{
Debug.WriteLine(String.Format("{0} {1} {2} {3} {4}",
format.FormatIndex,
format.FormatTag,
format.FormatDescription,
format.WaveFormat,
format.SupportFlags));
}
}
}
}
private string DescribeCodec(AcmDriver driver)
{
try
{
driver.Open();
var builder = new StringBuilder();
DescribeAcmDriver(driver, builder);
foreach (var formatTag in driver.FormatTags)
{
DescribeAcmFormatTag(builder, formatTag);
foreach (var format in driver.GetFormats(formatTag))
{
DescribeAcmFormat(builder, format);
}
}
driver.Close();
return(builder.ToString());
}
catch (Exception e)
{
return(e.ToString());
}
}
public void HasFindByShortNameMethod()
{
AcmDriver driver = AcmDriver.FindByShortName("WM-AUDIO");
}
public void FindsStandardCodec()
{
Assert.IsTrue(AcmDriver.IsCodecInstalled("MS-ADPCM"));
}
public void DoesntFindNonexistentCodec()
{
Assert.IsFalse(AcmDriver.IsCodecInstalled("ASJHASDHJSAK"));
}
private void listBoxAcmDrivers_SelectedIndexChanged(object sender, EventArgs e)
{
AcmDriver driver = listBoxAcmDrivers.SelectedItem as AcmDriver;
richTextBox1.Text = DescribeCodec(driver);
}
