internal static AcmFormatInfo FromFormatTagDetails(ACMFORMATTAGDETAILS details, IntPtr hDriver, int driverId)
{
if (driverId == 0)
{
AcmNativeMethods.acmDriverID(hDriver, out driverId, 0);
}
AcmFormatInfo info = new AcmFormatInfo();
info.DriverId = driverId;
//info.Format = new WaveFormat2(
info.FormatName = details.szFormatTag;
info.FormatTag = (FormatTag)details.dwFormatTag;
for (int i = 0; i < details.cStandardFormats; i++)
{
ACMFORMATDETAILS fd = new ACMFORMATDETAILS();
fd.cbStruct = Marshal.SizeOf(fd);
fd.cbwfx = details.cbFormatSize;
WaveFormat2 fmt = new WaveFormat2(new byte[fd.cbwfx]);
fmt.FormatTag = (FormatTag)details.dwFormatTag;
fmt.Size = (short)(fd.cbwfx == 16 ? 0 : fd.cbwfx - 18);
fmt.Extra = new byte[fmt.Size];
fd.pwfx = Marshal.AllocHGlobal(fd.cbwfx);
Marshal.Copy(fmt.GetBytes(), 0, fd.pwfx, fd.cbwfx);
fd.dwFormatIndex = i;
fd.dwFormatTag = (int)info.FormatTag;
/*MMResult mmr = */
int mmr = AcmNativeMethods.acmFormatDetails(hDriver, ref fd, AcmFormatDetailsFlags.INDEX);
byte[] fmtData = new byte[fd.cbwfx];
Marshal.Copy(fd.pwfx, fmtData, 0, fd.cbwfx);
info.Format = new WaveFormat2(fmtData);
Marshal.FreeHGlobal(fd.pwfx);
}
return(info);
}
internal int AcmFormatTagEnumCB(IntPtr hadid, /*ref ACMFORMATTAGDETAILS*/ IntPtr pafd, int dwInstance, int fdwSupport)
{
try
{
ACMFORMATTAGDETAILS afd = (ACMFORMATTAGDETAILS)Marshal.PtrToStructure(pafd, typeof(ACMFORMATTAGDETAILS));
AcmFormatInfo info = AcmFormatInfo.FromFormatTagDetails(afd, (IntPtr)dwInstance, (int)hadid);
_formats.Add(info);
}
catch (Exception ex)
{
if (System.Diagnostics.Debugger.IsAttached)
{
System.Diagnostics.Debugger.Break();
}
System.Diagnostics.Debug.WriteLine("AcmFormatTagEnumCB error: " + ex.Message);
}
return(1);
}