Close()
{
uint err = 0;
// De-init stream
err = LameWrapper.beDeinitStream(hLameStream, mp3Buffer, ref dwOut);
if (err != LameWrapper.BE_ERR_SUCCESSFUL)
{
throw new ApplicationException("beDeinitStream failed");
}
// Write any bytes returned from deinit
if (dwOut > 0)
{
base.Write(mp3Buffer, 0, (int)dwOut);
}
// Close stream
LameWrapper.beCloseStream(hLameStream);
base.Close();
}
WriteTags(string outputFile)
{
// Write INFO/VBR
uint err = LameWrapper.beWriteInfoTag(hLameStream, outputFile);
if (err != LameWrapper.BE_ERR_SUCCESSFUL)
{
throw new ApplicationException("WriteInfoTag failed");
}
}
LameWriter(Stream outputStream, string inputFile) :
base(outputStream)
{
// GetSoundFileType input file
int rtn = libSndFile.GetSoundFileType(inputFile, ref soundInfo);
// Initialize
beConfig = new LameWrapper.BE_CONFIG(soundInfo);
try
{
uint rslt =
LameWrapper.beInitStream(beConfig,
ref samples, ref bufferSize, ref hLameStream);
if (rslt != LameWrapper.BE_ERR_SUCCESSFUL)
{
throw new ApplicationException(
string.Format(
"LameWrapper.beInitStream failed with code: {0}",
rslt));
}
// Samples are 2 bytes wide:
sampleSize = (int)samples * 2;
// MP3 buffer
mp3Buffer = new byte[bufferSize];
}
catch
{
throw;
}
}
Write(byte[] buffer, int index, int count)
{
// Encode samples
uint err = LameWrapper.EncodeChunk(
hLameStream, buffer, mp3Buffer, ref dwOut);
if (err != LameWrapper.BE_ERR_SUCCESSFUL)
{
throw new ApplicationException(
string.Format(
"LameWrapper.EncodeChunk failed with code: {0}",
err));
}
// Write to the file
if (dwOut > 0)
{
base.Write(mp3Buffer, 0, (int)dwOut);
}
}
// Overload constructor: Send
// custom BE_CONFIG
public LameWriter(Stream outputStream,
string inputFile, LameWrapper.BE_CONFIG beConfig)
: base(outputStream)
{
// GetSoundFileType input file
int rtn = libSndFile.GetSoundFileType(inputFile, ref soundInfo);
// Initialize
try
{
uint rslt = LameWrapper.beInitStream(beConfig,
ref samples, ref bufferSize, ref hLameStream);
if (rslt != LameWrapper.BE_ERR_SUCCESSFUL)
{
throw new ApplicationException(
string.Format(
"LameWrapper.beInitStream failed with code: {0}",
rslt));
}
// Samples are 2 bytes wide:
sampleSize = (int)samples*2;
// MP3 buffer:
mp3Buffer = new byte[bufferSize];
}
catch
{
throw;
}
}