/// <summary>
/// Create a Mp3Writer with specific MP3 format
/// </summary>
/// <param name="output">Stream that will hold the MP3 resulting data</param>
/// <param name="inputDataFormat">PCM format of input data</param>
/// <param name="mp3Config">Desired MP3 config</param>
public Mp3Writer(Stream output, WaveFormat inputDataFormat, BE_CONFIG mp3Config)
: base(output, inputDataFormat)
{
try
{
m_Mp3Config = mp3Config;
uint lameResult = LameEnc.beInitStream(m_Mp3Config, ref m_InputSamples, ref m_OutBufferSize, ref m_hLameStream);
if (lameResult != LameEnc.BE_ERR_SUCCESSFUL)
{
throw new ApplicationException(string.Format("Lame_encDll.beInitStream failed with the error code {0}", lameResult));
}
m_InBuffer = new byte[m_InputSamples * 2]; //Input buffer is expected as short[]
m_OutBuffer = new byte[m_OutBufferSize];
}
catch
{
base.Close();
throw;
}
}
/// <summary>
/// This function is the first to call before starting an encoding stream.
/// </summary>
/// <param name="pbeConfig">Encoder settings</param>
/// <param name="dwSamples">Receives the number of samples (not bytes, each sample is a SHORT) to send to each beEncodeChunk() on return.</param>
/// <param name="dwBufferSize">Receives the minimun number of bytes that must have the output(result) buffer</param>
/// <param name="phbeStream">Receives the stream handle on return</param>
/// <returns>On success: BE_ERR_SUCCESSFUL</returns>
public static uint beInitStream(BE_CONFIG pbeConfig, ref uint dwSamples, ref uint dwBufferSize, ref uint phbeStream)
{
return CPU.Is32Bit
? Lame86.beInitStream(pbeConfig, ref dwSamples, ref dwBufferSize, ref phbeStream)
: Lame64.beInitStream(pbeConfig, ref dwSamples, ref dwBufferSize, ref phbeStream);
}
public EditMp3Writer()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
m_Config = new BE_CONFIG(editFormat1.Format);
DoSetInitialValues();
}
internal static extern uint beInitStream(BE_CONFIG pbeConfig, ref uint dwSamples, ref uint dwBufferSize, ref uint phbeStream);
internal static extern uint beInitStream(BE_CONFIG pbeConfig, ref uint dwSamples, ref uint dwBufferSize, ref uint phbeStream);
/// <summary>
/// This function is the first to call before starting an encoding stream.
/// </summary>
/// <param name="pbeConfig">Encoder settings</param>
/// <param name="dwSamples">Receives the number of samples (not bytes, each sample is a SHORT) to send to each beEncodeChunk() on return.</param>
/// <param name="dwBufferSize">Receives the minimun number of bytes that must have the output(result) buffer</param>
/// <param name="phbeStream">Receives the stream handle on return</param>
/// <returns>On success: BE_ERR_SUCCESSFUL</returns>
public static uint beInitStream(BE_CONFIG pbeConfig, ref uint dwSamples, ref uint dwBufferSize, ref uint phbeStream)
{
return(CPU.Is32Bit
? Lame86.beInitStream(pbeConfig, ref dwSamples, ref dwBufferSize, ref phbeStream)
: Lame64.beInitStream(pbeConfig, ref dwSamples, ref dwBufferSize, ref phbeStream));
}
protected Mp3WriterConfig(SerializationInfo info, StreamingContext context)
: base(info, context)
{
m_BeConfig = (BE_CONFIG)info.GetValue("BE_CONFIG", typeof(BE_CONFIG));
}
public Mp3WriterConfig(WaveFormat InFormat, BE_CONFIG beconfig)
: base(InFormat)
{
m_BeConfig = beconfig;
}