private static int ReadWavFile(string path, out AudioData ad)
{
ad = new AudioData();
using (var br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
var reader = new WavRWLib2.WavReader();
if (!reader.ReadHeaderAndSamples(br, 0, -1))
{
MessageBox.Show(
string.Format("Error: Failed to read WAV file: {0}", path));
return(-1);
}
ad.meta = new WWFlacRWCS.Metadata();
ad.meta.albumStr = reader.AlbumName;
ad.meta.artistStr = reader.ArtistName;
ad.meta.titleStr = reader.Title;
ad.meta.pictureBytes = reader.PictureBytes;
ad.picture = reader.PictureData;
ad.meta.totalSamples = reader.NumFrames;
ad.meta.channels = reader.NumChannels;
ad.meta.sampleRate = reader.SampleRate;
var interleaved = reader.GetSampleArray();
int bytesPerSample = reader.BitsPerSample / 8;
ad.pcm = new List <AudioDataPerChannel>();
for (int ch = 0; ch < reader.NumChannels; ++ch)
{
var pcmOneChannel = new byte[reader.NumFrames * bytesPerSample];
for (int i = 0; i < reader.NumFrames; ++i)
{
for (int b = 0; b < reader.BitsPerSample / 8; ++b)
{
pcmOneChannel[bytesPerSample * i + b] =
interleaved[bytesPerSample * (reader.NumChannels * i + ch) + b];
}
}
var pcm24 = PcmDataLib.Util.ConvertTo24bit(reader.BitsPerSample, reader.NumFrames, reader.SampleValueRepresentationType, pcmOneChannel);
var adp = new AudioDataPerChannel();
adp.data = pcm24;
adp.offsBytes = 0;
adp.bitsPerSample = 24;
adp.totalSamples = ad.meta.totalSamples;
ad.pcm.Add(adp);
}
// converted to 24bit
ad.meta.bitsPerSample = 24;
ad.preferredSaveFormat = FileFormatType.FLAC;
return(0);
}
}
private void buttonStartConversion_Click(object sender, RoutedEventArgs e)
{
if (textBoxInputFile.Text.Length == 0) {
MessageBox.Show(Properties.Resources.ErrSpecifyInputWavFile);
return;
}
if (textBoxOutputFile.Text.Length == 0) {
MessageBox.Show(Properties.Resources.ErrSpecifyOutputWavFile);
return;
}
string pathRead = textBoxInputFile.Text;
string pathWrite = textBoxOutputFile.Text;
WavRWLib2.WavReader r = new WavRWLib2.WavReader();
using (var br = new BinaryReader(File.Open(pathRead, FileMode.Open, FileAccess.Read, FileShare.Read))) {
if (!r.ReadHeaderAndSamples(br, 0, -1)) {
string s = string.Format("エラー: ファイル読み込み失敗 {0}", pathRead);
MessageBox.Show(s);
Log(s + "\n");
return;
}
}
Log(string.Format("WAVファイル読み込み。{0}\n 読み込んだファイルのfmt subchunkSize = {1}\n", pathRead, r.FmtSubChunkSize));
WavRWLib2.WavWriter w = new WavRWLib2.WavWriter();
string directory = System.IO.Path.GetDirectoryName(pathWrite);
if (!System.IO.Directory.Exists(directory)) {
System.IO.Directory.CreateDirectory(directory);
}
using (var bw = new BinaryWriter(File.Open(pathWrite, FileMode.Create, FileAccess.Write, FileShare.Write))) {
w.Write(bw, r.NumChannels, r.BitsPerSample, r.ValidBitsPerSample, r.SampleRate, r.SampleValueRepresentationType, r.NumFrames, r.GetSampleArray());
}
Log(string.Format("WAVファイル書き込み終了。{0}\n", pathWrite));
}
private static int ReadWavFile(string path, out AudioData ad)
{
ad = new AudioData();
using (var br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
var reader = new WavRWLib2.WavReader();
if (!reader.ReadHeaderAndSamples(br, 0, -1)) {
MessageBox.Show(
string.Format("Error: Failed to read WAV file: {0}", path));
return -1;
}
ad.meta = new WWFlacRWCS.Metadata();
ad.meta.albumStr = reader.AlbumName;
ad.meta.artistStr = reader.ArtistName;
ad.meta.titleStr = reader.Title;
ad.meta.pictureBytes = reader.PictureBytes;
ad.picture = reader.PictureData;
ad.meta.totalSamples = reader.NumFrames;
ad.meta.channels = reader.NumChannels;
ad.meta.sampleRate = reader.SampleRate;
var interleaved = reader.GetSampleArray();
int bytesPerSample = reader.BitsPerSample / 8;
ad.pcm = new List<AudioDataPerChannel>();
for (int ch = 0; ch < reader.NumChannels; ++ch) {
var pcmOneChannel = new byte[reader.NumFrames * bytesPerSample];
for (int i = 0; i < reader.NumFrames; ++i) {
for (int b = 0; b < reader.BitsPerSample / 8; ++b) {
pcmOneChannel[bytesPerSample * i + b] =
interleaved[bytesPerSample * (reader.NumChannels * i + ch) + b];
}
}
var pcm24 = PcmDataLib.Util.ConvertTo24bit(reader.BitsPerSample, reader.NumFrames, reader.SampleValueRepresentationType, pcmOneChannel);
var adp = new AudioDataPerChannel();
adp.data = pcm24;
adp.offsBytes = 0;
adp.bitsPerSample = 24;
adp.totalSamples = ad.meta.totalSamples;
ad.pcm.Add(adp);
}
// converted to 24bit
ad.meta.bitsPerSample = 24;
ad.preferredSaveFormat = FileFormatType.FLAC;
return 0;
}
}
private void buttonStartConversion_Click(object sender, RoutedEventArgs e)
{
if (textBoxInputFile.Text.Length == 0)
{
MessageBox.Show(Properties.Resources.ErrSpecifyInputWavFile);
return;
}
if (textBoxOutputFile.Text.Length == 0)
{
MessageBox.Show(Properties.Resources.ErrSpecifyOutputWavFile);
return;
}
string pathRead = textBoxInputFile.Text;
string pathWrite = textBoxOutputFile.Text;
WavRWLib2.WavReader r = new WavRWLib2.WavReader();
using (var br = new BinaryReader(File.Open(pathRead, FileMode.Open, FileAccess.Read, FileShare.Read))) {
if (!r.ReadHeaderAndSamples(br, 0, -1))
{
string s = string.Format("エラー: ファイル読み込み失敗 {0}", pathRead);
MessageBox.Show(s);
Log(s + "\n");
return;
}
}
Log(string.Format("WAVファイル読み込み。{0}\n 読み込んだファイルのfmt subchunkSize = {1}\n", pathRead, r.FmtSubChunkSize));
WavRWLib2.WavWriter w = new WavRWLib2.WavWriter();
string directory = System.IO.Path.GetDirectoryName(pathWrite);
if (!System.IO.Directory.Exists(directory))
{
System.IO.Directory.CreateDirectory(directory);
}
using (var bw = new BinaryWriter(File.Open(pathWrite, FileMode.Create, FileAccess.Write, FileShare.Write))) {
w.Write(bw, r.NumChannels, r.BitsPerSample, r.ValidBitsPerSample, r.SampleRate, r.SampleValueRepresentationType, r.NumFrames, r.GetSampleArray());
}
Log(string.Format("WAVファイル書き込み終了。{0}\n", pathWrite));
}