private Mp3OutputDto SetMp3OutputDto(string mp3Path)
{
var mp3OutputDto = new Mp3OutputDto();
var mp3Dir = Path.GetDirectoryName(mp3Path);
var mp3OutputFile = Path.GetFileName(mp3Path);
mp3OutputDto.OutputDir = Path.Combine(mp3Dir, Path.GetFileNameWithoutExtension(mp3Path));
mp3OutputDto.Mp3OutputFileName = Path.Combine(mp3OutputDto.OutputDir, Path.ChangeExtension(mp3OutputFile, Postfix));
return(mp3OutputDto);
}
private void CuttingMp3(Mp3InputDto mp3InputDto, Mp3OutputDto mp3OutputDto)
{
int beginCount = (int)Math.Round(mp3InputDto.BeginCut * frameProSec);
int endCount = (int)Math.Round(mp3InputDto.EndCut * frameProSec);
FileStream writer = null;
Action createWriter = new Action(() =>
{
writer = File.Create(mp3OutputDto.Mp3OutputFileName);
});
int totalFrameCount = 0;
using (var reader = new Mp3FileReader(mp3InputDto.Mp3Path))
{
Mp3Frame frame;
while ((frame = reader.ReadNextFrame()) != null)
{
if (writer == null)
{
createWriter();
}
if (totalFrameCount > beginCount && totalFrameCount < endCount)
{
++totalFrameCount;
continue;
}
writer.Write(frame.RawData, 0, frame.RawData.Length);
++totalFrameCount;
}
if (writer != null)
{
writer.Dispose();
}
}
}
