/// <summary>
/// Converts Wav to MP3.
/// </summary>
/// <param name="inputFile">The input file.</param>
/// <param name="outputPath">The output path.</param>
/// <returns>
/// Path of changed file
/// </returns>
public static string ConvertWavToMp3(string inputFile, string outputPath)
{
var reader = new WaveStream(inputFile);
try
{
var config = new BE_CONFIG(reader.Format, (uint)(Math.Abs(BitRate - 0.0) < 0.1 ? DefaultBitRate : BitRate));
var writer = new Mp3Writer(new FileStream(outputPath, FileMode.Create), reader.Format, config);
try
{
var buffer = new byte[writer.OptimalBufferSize];
int read;
while ((read = reader.Read(buffer, 0, buffer.Length)) > 0)
{
writer.Write(buffer, 0, read);
}
}
finally
{
writer.Close();
}
}
finally
{
reader.Close();
}
return(outputPath);
}
internal byte[] ConvertWavToMp3(Stream stream)
{
var inStr = new WaveStream(stream);
try {
var convertedStream = new MemoryStream();
var writer = new Mp3Writer(convertedStream, inStr.Format);
try {
var buff = new byte[writer.OptimalBufferSize];
int read;
while ((read = inStr.Read(buff, 0, buff.Length)) > 0)
{
writer.Write(buff, 0, read);
}
convertedStream.Seek(0, SeekOrigin.Begin);
return(convertedStream.ToArray());
} catch (Exception e) {
LoggerWrapper.LogTo(LoggerName.Errors).ErrorException(
"AudioConverter.ConvertWavToMp3 inner вылетело исключение {0}", e);
} finally {
writer.Close();
}
} catch (Exception e) {
LoggerWrapper.LogTo(LoggerName.Errors).ErrorException(
"AudioConverter.ConvertWavToMp3 outer вылетело исключение {0}", e);
} finally {
inStr.Close();
}
return(null);
}
private static void wmaToMp3(string pathToFile, Stream outputStream, int sampleRate, int bitDepth, int numChannels)
{
var streamToWav = new WaveLib.WaveStream();
wmaToWav(pathToFile, streamToWav.BaseStream, sampleRate, bitDepth, numChannels);
streamToWav.ReadHeader();
// wavStream gets closed in wavStreamToMP3();
wavToMp3(streamToWav, outputStream, (uint)(sampleRate / 1000));
}
/// <summary>
/// Converts Wav to MP3.
/// </summary>
/// <param name="inputFile">The input file.</param>
/// <param name="outputPath">The output path.</param>
/// <returns>
/// Path of changed file
/// </returns>
public static string ConvertWavToMp3(string inputFile, string outputPath)
{
var reader = new WaveStream(inputFile);
try
{
var config = new BE_CONFIG(reader.Format, (uint)(Math.Abs(BitRate - 0.0) < 0.1 ? DefaultBitRate : BitRate));
var writer = new Mp3Writer(new FileStream(outputPath, FileMode.Create), reader.Format, config);
try
{
var buffer = new byte[writer.OptimalBufferSize];
int read;
while ((read = reader.Read(buffer, 0, buffer.Length)) > 0)
{
writer.Write(buffer, 0, read);
}
}
finally
{
writer.Close();
}
}
finally
{
reader.Close();
}
return outputPath;
}
public SteganoUtility(WaveLib.WaveStream sourceStream)
{
this.sourceStream = sourceStream;
this.bytesPerSample = sourceStream.Format.wBitsPerSample / 8;
}
public SteganoUtility(WaveLib.WaveStream sourceStream, Stream destinationStream)
: this(sourceStream){
this.destinationStream = destinationStream;
}
private static void wmaToMp3(string pathToFile, Stream outputStream, int sampleRate, int bitDepth, int numChannels)
{
var streamToWav = new WaveLib.WaveStream();
wmaToWav(pathToFile, streamToWav.BaseStream, sampleRate, bitDepth, numChannels);
streamToWav.ReadHeader();
// wavStream gets closed in wavStreamToMP3();
wavToMp3(streamToWav, outputStream, (uint)(sampleRate / 1000));
}
public SteganoUtility(WaveLib.WaveStream sourceStream)
{
this.sourceStream = sourceStream;
this.bytesPerSample = sourceStream.Format.wBitsPerSample / 8;
}
