public AACDecoder(string libraryPath, TransportType transportFmt, AudioObjectType audioObjectType, uint nrOfLayers)
{
if (!File.Exists(libraryPath))
{
throw new IOException("Library not found.");
}
// Open library
_handle = LibraryLoader.DlOpen(libraryPath, 0);
// Get function pointers symbols
IntPtr symAacDecoder_Open = LibraryLoader.DlSym(_handle, "aacDecoder_Open");
IntPtr symAacDecoder_ConfigRaw = LibraryLoader.DlSym(_handle, "aacDecoder_ConfigRaw");
IntPtr sysAacDecoder_GetStreamInfo = LibraryLoader.DlSym(_handle, "aacDecoder_GetStreamInfo");
IntPtr sysAacDecoder_Fill = LibraryLoader.DlSym(_handle, "aacDecoder_Fill");
IntPtr sysAacDecoder_DecodeFrame = LibraryLoader.DlSym(_handle, "aacDecoder_DecodeFrame");
IntPtr sysAacDecoder_Close = LibraryLoader.DlSym(_handle, "aacDecoder_Close");
// Get delegates for the function pointers
_aacDecoder_Open = Marshal.GetDelegateForFunctionPointer <aacDecoder_Open>(symAacDecoder_Open);
_aacDecoder_ConfigRaw = Marshal.GetDelegateForFunctionPointer <aacDecoder_ConfigRaw>(symAacDecoder_ConfigRaw);
_aacDecoder_Fill = Marshal.GetDelegateForFunctionPointer <aacDecoder_Fill>(sysAacDecoder_Fill);
_aacDecoder_DecodeFrame = Marshal.GetDelegateForFunctionPointer <aacDecoder_DecodeFrame>(sysAacDecoder_DecodeFrame);
_aacDecoder_Close = Marshal.GetDelegateForFunctionPointer <aacDecoder_Close>(sysAacDecoder_Close);
_decoder = _aacDecoder_Open((int)transportFmt, nrOfLayers);
_audioObjectType = audioObjectType;
}
public ALACDecoder(string libraryPath)
{
if (!File.Exists(libraryPath))
{
throw new IOException("Library not found.");
}
// Open library
_handle = LibraryLoader.DlOpen(libraryPath, 0);
// Get a function pointer symbol
IntPtr symAlacDecoder_InitializeDecoder = LibraryLoader.DlSym(_handle, "InitializeDecoder");
IntPtr symAlacDecoder_DecodeFrame = LibraryLoader.DlSym(_handle, "Decode");
// Get a delegate for the function pointer
_alacDecoder_InitializeDecoder = Marshal.GetDelegateForFunctionPointer <alacDecoder_InitializeDecoder>(symAlacDecoder_InitializeDecoder);
_alacDecoder_DecodeFrame = Marshal.GetDelegateForFunctionPointer <alacDecoder_DecodeFrame>(symAlacDecoder_DecodeFrame);
}