public Write ( byte buffer, int offset, int count ) : void | ||
buffer | byte | Source buffer |
offset | int | Offset of data in buffer |
count | int | Length of data |
리턴 | void |
private void WriteFrame(FrameDecompressedEventArgs <Mp3Frame> e) { if (State != StreamRecorderStates.Recording) { return; } if (e.DecompressedDataLen <= 0) { return; } if (_mp3writer == null) { _mp3writer = new LameMP3FileWriter( _fileStream, e.DecompressedFormat, e.Frame.BitRate, new ID3TagData { Title = $"{e.StreamSource.DisplayName} ({DateTime.Now.ToString()})", Comment = e.StreamSource.StreamUrl } ); } _mp3writer.Write(e.DecompressedData, 0, e.DecompressedDataLen); }
private void splitMp3(string trackPath, int startPos, int endPos, MediaFoundationReader reader, ID3TagData tagData) { int progress = 0; using (var writer = new NAudio.Lame.LameMP3FileWriter(trackPath, reader.WaveFormat, NAudio.Lame.LAMEPreset.V3, tagData)) { reader.Position = startPos; byte[] buffer = new byte[1024]; while (reader.Position < endPos) { int bytesRequired = (int)(endPos - reader.Position); if (bytesRequired > 0) { int bytesToRead = Math.Min(bytesRequired, buffer.Length); int bytesRead = reader.Read(buffer, 0, bytesToRead); if (bytesRead > 0) { writer.Write(buffer, 0, bytesRead); progress += bytesRead; } } } } }
internal static void CreateMp3File(string filename, IWaveProvider sourceProvider, int bitRate, Action<long> progressCallback) { Debug.Assert(progressCallback != null); using (var writer = new LameMP3FileWriter(filename, sourceProvider.WaveFormat, bitRate)) { long outputLength = 0; var buffer = new byte[sourceProvider.WaveFormat.AverageBytesPerSecond * 4]; while (true) { int bytesRead = sourceProvider.Read(buffer, 0, buffer.Length); if (bytesRead == 0) { // end of source provider break; } outputLength += bytesRead; // Write will throw exception if WAV file becomes too large writer.Write(buffer, 0, bytesRead); progressCallback(bytesRead); } } }