public override void Grab(CDDrive cd, Track track, string destFile, bool generateTags)
{
if (MustCancel())
{
return;
}
byte[] buff = base.GetTrackData(cd, track);
if (MustCancel())
{
return;
}
ID3FileInfoSlim ifiSlim = new ID3FileInfoSlim();
ifiSlim.Album = track.Album;
ifiSlim.Artist = track.Artist;
ifiSlim.Genre = track.Genre;
ifiSlim.Title = track.Title;
ifiSlim.Track = (short)track.Index;
short year = 1900;
if (short.TryParse(track.Year, out year))
{
ifiSlim.Year = year;
}
this.Options.WaveFormat = WaveFormatEx.Cdda;
EncodeBuffer(buff, destFile, generateTags, ifiSlim);
}
public void DoTranscoding(EncoderSettings encoderSettings, string inputFile)
{
_grabber = CdRipper.CreateGrabber(OutputFormat);
if (_grabber == null)
{
throw new NotSupportedException(string.Format("TXT_UNSUPPORTED_OUTPUT_FORMAT: {0}", InputFormat));
}
switch (InputFormat)
{
case AudioMediaFormatType.WAV:
switch (OutputFormat)
{
case AudioMediaFormatType.MP3:
{
// Transcode WAV => MP3 i.o.w encode the wav
WaveFormatEx wfex = WaveFormatEx.Cdda;
byte[] buff = WaveFile.ReadWaveData(inputFile, ref wfex);
GrabberToMP3 grabber = (_grabber as GrabberToMP3);
grabber.Options = (encoderSettings as Mp3EncoderSettings).Options;
// Resample is not supported at this time.
// Specify the same settings as the input WAV file, otherwise we'll be failing.
grabber.Options.WaveFormat = wfex;
grabber.EncodeBuffer(buff,
Path.ChangeExtension(inputFile, "MP3"),
false, null);
return;
}
}
break;
case AudioMediaFormatType.MP3:
switch (OutputFormat)
{
case AudioMediaFormatType.WAV:
// Transcode MP3 => WAV i.o.w decode the MP3
string outputFile = Path.ChangeExtension(inputFile, "WAV");
if (DecodeMP3ToWAV(inputFile, outputFile) == false)
{
throw new Exception("TXT_FAILED_CONVERSION_MP3_WAV");
}
return;
case AudioMediaFormatType.MP3:
{
// Transcode MP3 => MP3 i.o.w adjust MP3 encoding
string tempWavFile = Path.GetTempFileName();
if (DecodeMP3ToWAV(inputFile, tempWavFile) == false)
{
throw new Exception("TXT_FAILED_CONVERSION_MP3_TEMP_WAV");
}
WaveFormatEx wfex = WaveFormatEx.Cdda;
byte[] buff = WaveFile.ReadWaveData(tempWavFile, ref wfex);
GrabberToMP3 grabber = (_grabber as GrabberToMP3);
grabber.Options = (encoderSettings as Mp3EncoderSettings).Options;
ID3FileInfoSlim ifiSlim =
new ID3FileInfoSlim(MediaFileInfo.FromPath(inputFile, false));
grabber.EncodeBuffer(buff,
Path.ChangeExtension(inputFile, "REENC.MP3"),
(encoderSettings as Mp3EncoderSettings).CopyInputFileMetadata,
ifiSlim);
if (File.Exists(tempWavFile))
{
File.Delete(tempWavFile);
}
return;
}
}
break;
}
throw new NotSupportedException(string.Format("TXT_UNSUPPORTED_TRANSCODING: {0}", this));
}
public void EncodeBuffer(byte[] buff, string destFile, bool generateTags, ID3FileInfoSlim ifiSlim)
{
string summary = "";
LameEncConfig cfg = this.Options.GetConfig(ref summary);
if (ifiSlim != null && ifiSlim.Frequency.HasValue)
{
cfg.format.dwSampleRate = (uint)ifiSlim.Frequency;
}
uint LameResult = Lame_encDll.Init(cfg, ref m_InputSamples, ref m_OutBufferSize, ref m_hLameStream);
if (LameResult != Lame_encDll.ERR_SUCCESSFUL)
{
throw new ApplicationException(string.Format("Lame_encDll.Init failed with the error code {0}", LameResult));
}
using (FileStream fs = new FileStream(destFile, FileMode.Create, FileAccess.Write, FileShare.None))
using (BinaryWriter bw = new BinaryWriter(fs))
{
uint EncodedSize = 0;
m_OutBuffer = new byte[m_OutBufferSize];
if (MustCancel())
{
return;
}
try
{
int buffPos = 0;
while (buffPos < buff.Length)
{
if (MustCancel())
{
return;
}
m_OutBuffer = new byte[m_OutBufferSize];
uint bytesToCopy = Math.Min(2 * m_InputSamples, (uint)buff.Length - (uint)buffPos);
if ((LameResult = Lame_encDll.Encode(m_hLameStream, buff, buffPos, (uint)bytesToCopy, m_OutBuffer, ref EncodedSize)) == Lame_encDll.ERR_SUCCESSFUL)
{
if (EncodedSize > 0)
{
bw.Write(m_OutBuffer, 0, (int)EncodedSize);
}
}
else
{
throw new ApplicationException(string.Format("Lame_encDll.Encode failed with the error code {0}", LameResult));
}
buffPos += (int)bytesToCopy;
}
}
finally
{
EncodedSize = 0;
if (Lame_encDll.Release(m_hLameStream, m_OutBuffer, ref EncodedSize) == Lame_encDll.ERR_SUCCESSFUL)
{
if (EncodedSize > 0)
{
bw.Write(m_OutBuffer, 0, (int)EncodedSize);
}
}
Lame_encDll.Close(m_hLameStream);
}
}
if (!MustCancel() && cfg.format.bWriteVBRHeader != 0)
{
uint err = Lame_encDll.WriteVBRHeader(destFile);
}
if (!MustCancel() && generateTags && ifiSlim != null)
{
ID3FileInfo ifi = new ID3FileInfo(destFile, false);
ifi.Album = StringUtils.Capitalize(ifiSlim.Album, WordCasing.CapitalizeWords);
ifi.Artist = StringUtils.Capitalize(ifiSlim.Artist, WordCasing.CapitalizeWords);
ifi.Genre = StringUtils.Capitalize(ifiSlim.Genre, WordCasing.CapitalizeWords);
ifi.Title = StringUtils.Capitalize(ifiSlim.Title, WordCasing.CapitalizeWords);
ifi.Track = ifiSlim.Track.GetValueOrDefault();
ifi.Year = ifiSlim.Year.GetValueOrDefault();
ifi.Save();
}
}
