/// <summary>
/// カバーアート画像を追加する。
/// </summary>
/// <returns>true: カバーアート画像が付いている。false: カバーアート画像がついていない。</returns>
private bool AddCoverart(string path, PcmDataLib.PcmData pcmData)
{
if (0 < pcmData.PictureBytes)
{
// 既に追加されている。
return(true);
}
try {
var dirPath = System.IO.Path.GetDirectoryName(path);
var pictureData = ReadWholeFile(string.Format(CultureInfo.InvariantCulture, "{0}\\{1}.jpg", dirPath,
System.IO.Path.GetFileNameWithoutExtension(path)));
if (0 < pictureData.Length)
{
// ファイル名.jpgが存在。
pcmData.SetPicture(pictureData.Length, pictureData);
return(true);
}
foreach (string albumImageFilename in ALBUM_IMAGE_FILENAMES)
{
pictureData = ReadWholeFile(string.Format(CultureInfo.InvariantCulture, "{0}\\{1}", dirPath, albumImageFilename));
if (0 < pictureData.Length)
{
// アルバムのカバーアート画像(folder.jpg等)が存在。
pcmData.SetPicture(pictureData.Length, pictureData);
return(true);
}
}
} catch (Exception ex) {
// エラーが起きたら読まない。
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, "W: coverart image read failed: {0}", ex));
}
return(false);
}
/// <summary>
/// WAVファイルのヘッダ部分を読み込む。
/// </summary>
/// <returns>読めたらtrue</returns>
private bool ReadWavFileHeader(string path)
{
bool result = false;
var pd = new PcmDataLib.PcmData();
var wavR = new WavReader();
using (BinaryReader br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
if (wavR.ReadHeader(br))
{
// WAVヘッダ読み込み成功。PcmDataを作って再生リストに足す。
pd.SetFormat(wavR.NumChannels, wavR.BitsPerSample, wavR.ValidBitsPerSample,
(int)wavR.SampleRate, wavR.SampleValueRepresentationType, wavR.NumFrames);
if ("RIFFINFO_INAM".Equals(wavR.Title) &&
"RIFFINFO_IART".Equals(wavR.ArtistName))
{
// Issue 79 workaround
}
else
{
if (wavR.Title != null)
{
pd.DisplayName = wavR.Title;
}
if (wavR.AlbumName != null)
{
pd.AlbumTitle = wavR.AlbumName;
}
if (wavR.ArtistName != null)
{
pd.ArtistName = wavR.ArtistName;
}
}
pd.SetPicture(wavR.PictureBytes, wavR.PictureData);
result = CheckAddPcmData(path, pd, true);
}
else
{
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + ": {1} : {2}{3}",
"WAV", path, wavR.ErrorReason, Environment.NewLine));
}
}
return(result);
}
private bool ReadMp3FileHeader(string path)
{
bool result = false;
var pd = new PcmDataLib.PcmData();
WWMFReader.Metadata meta;
int rv = WWMFReader.ReadHeader(path, out meta);
if (0 <= rv)
{
pd.SetFormat(meta.numChannels, meta.bitsPerSample, meta.bitsPerSample, meta.sampleRate,
PcmData.ValueRepresentationType.SInt, meta.numApproxFrames);
pd.SampleDataType = PcmDataLib.PcmData.DataType.PCM;
pd.DisplayName = meta.title;
pd.AlbumTitle = meta.album;
pd.ArtistName = meta.artist;
pd.ComposerName = meta.composer;
if (null != meta.picture)
{
pd.SetPicture(meta.picture.Length, meta.picture);
}
pd.BitRate = meta.bitRate;
pd.IsLossyCompressed = true;
if (CheckAddPcmData(path, pd, true))
{
result = true;
}
}
else
{
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + " {1}: {2}{3}",
"MP3", rv, path, Environment.NewLine));
}
return(result);
}
/// <summary>
/// WAVファイルのヘッダ部分を読み込む。
/// </summary>
/// <returns>読めたらtrue</returns>
private bool ReadWavFileHeader(string path)
{
bool result = false;
var pd = new PcmDataLib.PcmData();
var wavR = new WavReader();
using (BinaryReader br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
if (wavR.ReadHeader(br)) {
// WAVヘッダ読み込み成功。PcmDataを作って再生リストに足す。
pd.SetFormat(wavR.NumChannels, wavR.BitsPerSample, wavR.ValidBitsPerSample,
(int)wavR.SampleRate, wavR.SampleValueRepresentationType, wavR.NumFrames);
if ("RIFFINFO_INAM".Equals(wavR.Title) &&
"RIFFINFO_IART".Equals(wavR.ArtistName)) {
// Issue 79 workaround
} else {
if (wavR.Title != null) {
pd.DisplayName = wavR.Title;
}
if (wavR.AlbumName != null) {
pd.AlbumTitle = wavR.AlbumName;
}
if (wavR.ArtistName != null) {
pd.ArtistName = wavR.ArtistName;
}
}
pd.SetPicture(wavR.PictureBytes, wavR.PictureData);
result = CheckAddPcmData(path, pd, true);
} else {
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + ": {1} : {2}{3}",
"WAV", path, wavR.ErrorReason, Environment.NewLine));
}
}
return result;
}