/// <summary>
/// 読み込み処理を終了する。
/// </summary>
/// <returns>Error code</returns>
public int StreamEnd()
{
int rv = 0;
mMD5SumInMetadata = null;
mMD5SumOfPcm = null;
switch (m_format)
{
case Format.FLAC:
rv = mFlacR.ReadEnd();
mMD5SumInMetadata = mFlacR.MD5SumInMetadata;
mMD5SumOfPcm = mFlacR.MD5SumOfPcm;
break;
case Format.AIFF:
mAiffR.ReadStreamEnd();
break;
case Format.WAVE:
mWaveR.ReadStreamEnd();
break;
case Format.DSF:
mDsfR.ReadStreamEnd();
break;
case Format.DSDIFF:
mDsdiffR.ReadStreamEnd();
break;
case Format.MP3:
mMp3Reader.ReadStreamEnd();
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
if (null != mBr)
{
mBr.Close();
mBr = null;
}
mPcmData = null;
mFlacR = null;
mAiffR = null;
mWaveR = null;
mDsfR = null;
return(rv);
}
private PcmData FlacScanDopMarker(PcmData pcmData, FlacDecodeIF fdif)
{
// 1個PCMデータを読み出す。
int ercd = 0;
var buff = fdif.ReadStreamReadOne(PcmDataLib.PcmData.DOP_SCAN_FRAMES, out ercd);
bool bDoP = pcmData.ScanDopMarker(buff);
if (bDoP)
{
pcmData.SampleDataType = PcmData.DataType.DoP;
}
return(pcmData);
}
private int StreamBeginFlac(string path, long startFrame, long wantFrames, int typicalReadFrames)
{
// m_pcmData = new PcmDataLib.PcmData();
mFlacR = new FlacDecodeIF();
mFlacR.CalcMD5 = CalcMD5SumIfAvailable;
int ercd = mFlacR.ReadStreamBegin(path, startFrame, wantFrames, typicalReadFrames, out mPcmData);
if (ercd < 0)
{
return(ercd);
}
NumFrames = mFlacR.NumFrames;
return(ercd);
}
public void StreamAbort()
{
switch (m_format)
{
case Format.FLAC:
mFlacR.ReadStreamAbort();
break;
case Format.AIFF:
mAiffR.ReadStreamEnd();
break;
case Format.WAVE:
mWaveR.ReadStreamEnd();
break;
case Format.DSF:
mDsfR.ReadStreamEnd();
break;
case Format.DSDIFF:
mDsdiffR.ReadStreamEnd();
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
if (null != mBr)
{
mBr.Close();
mBr = null;
}
mPcmData = null;
mFlacR = null;
mAiffR = null;
mWaveR = null;
mDsfR = null;
}
/// <summary>
/// FLACファイルのヘッダ部分を読み込む。
/// </summary>
/// <returns>読めたらtrue、失敗false</returns>
private bool ReadFlacFileHeader(string path, ReadHeaderMode mode)
{
PcmDataLib.PcmData pcmData;
List <WWFlacRWCS.FlacCuesheetTrack> ctiList;
var fdif = new FlacDecodeIF();
int flacErcd = 0;
flacErcd = fdif.ReadHeader(path, out pcmData, out ctiList);
if (flacErcd != 0)
{
// FLACヘッダ部分読み込み失敗。
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + " {2}: {1}{3}",
"FLAC", path, FlacDecodeIF.ErrorCodeToStr(flacErcd), Environment.NewLine));
return(false);
}
// FLACヘッダ部分読み込み成功。
// PCMデータにDoPマーカーが付いているか調べ、pcmData.SampleDataTypeを確定する。
pcmData = FlacScanDopMarker(pcmData, fdif);
fdif.ReadEnd();
if (ctiList.Count == 0 || mode == ReadHeaderMode.OnlyConcreteFile)
{
// FLAC埋め込みCUEシート情報を読まない。
CheckAddPcmData(path, pcmData, true);
}
else
{
// FLAC埋め込みCUEシート情報を読む。
PcmData pcmTrack = null;
for (int trackId = 0; trackId < ctiList.Count; ++trackId)
{
var cti = ctiList[trackId];
if (cti.indices.Count == 0)
{
// インデックスが1つもないトラック。lead-outトラックの場合等。
if (pcmTrack != null)
{
pcmTrack.EndTick = (int)((cti.offsetSamples * 75) / pcmTrack.SampleRate);
CheckAddPcmData(path, pcmTrack, false);
pcmTrack = null;
}
}
else
{
for (int indexId = 0; indexId < cti.indices.Count; ++indexId)
{
var indexInfo = cti.indices[indexId];
if (pcmTrack != null)
{
pcmTrack.EndTick = (int)(((cti.offsetSamples + indexInfo.offsetSamples) * 75) / pcmTrack.SampleRate);
CheckAddPcmData(path, pcmTrack, false);
pcmTrack = null;
}
pcmTrack = new PcmData();
pcmTrack.CopyFrom(pcmData);
if (pcmTrack.DisplayName.Length == 0)
{
pcmTrack.DisplayName = System.IO.Path.GetFileName(path);
}
pcmTrack.DisplayName = string.Format(CultureInfo.InvariantCulture,
"{0} (Track {1}, Index {2})", pcmTrack.DisplayName, cti.trackNr, indexInfo.indexNr);
pcmTrack.CueSheetIndex = indexInfo.indexNr;
pcmTrack.StartTick = (int)(((cti.offsetSamples + indexInfo.offsetSamples) * 75) / pcmTrack.SampleRate);
}
}
}
}
return(true);
}
private int StreamBeginFlac(string path, long startFrame, long wantFrames, int typicalReadFrames)
{
// m_pcmData = new PcmDataLib.PcmData();
mFlacR = new FlacDecodeIF();
mFlacR.CalcMD5 = CalcMD5SumIfAvailable;
int ercd = mFlacR.ReadStreamBegin(path, startFrame, wantFrames, typicalReadFrames, out mPcmData);
if (ercd < 0) {
return ercd;
}
NumFrames = mFlacR.NumFrames;
return ercd;
}
/// <summary>
/// 読み込み処理を通常終了する。
/// </summary>
/// <returns>Error code</returns>
public int StreamEnd()
{
int rv = 0;
mMD5SumInMetadata = null;
mMD5SumOfPcm = null;
switch (m_format) {
case Format.FLAC:
rv = mFlacR.ReadStreamEnd();
mMD5SumInMetadata = mFlacR.MD5SumInMetadata;
mMD5SumOfPcm = mFlacR.MD5SumOfPcm;
break;
case Format.AIFF:
mAiffR.ReadStreamEnd();
break;
case Format.WAVE:
mWaveR.ReadStreamEnd();
break;
case Format.DSF:
mDsfR.ReadStreamEnd();
break;
case Format.DSDIFF:
mDsdiffR.ReadStreamEnd();
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
if (null != mBr) {
mBr.Close();
mBr = null;
}
mPcmData = null;
mFlacR = null;
mAiffR = null;
mWaveR = null;
mDsfR = null;
return rv;
}
public void StreamAbort()
{
switch (m_format) {
case Format.FLAC:
mFlacR.ReadStreamAbort();
break;
case Format.AIFF:
mAiffR.ReadStreamEnd();
break;
case Format.WAVE:
mWaveR.ReadStreamEnd();
break;
case Format.DSF:
mDsfR.ReadStreamEnd();
break;
case Format.DSDIFF:
mDsdiffR.ReadStreamEnd();
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
if (null != mBr) {
mBr.Close();
mBr = null;
}
mPcmData = null;
mFlacR = null;
mAiffR = null;
mWaveR = null;
mDsfR = null;
}
/// <summary>
/// FLACファイルのヘッダ部分を読み込む。
/// </summary>
/// <returns>読めたらtrue、失敗false</returns>
private bool ReadFlacFileHeader(string path, ReadHeaderMode mode)
{
PcmDataLib.PcmData pcmData;
List<FlacDecodeIF.FlacCuesheetTrackInfo> ctiList;
var fdif = new FlacDecodeIF();
int flacErcd = 0;
flacErcd = fdif.ReadHeader(path, out pcmData, out ctiList);
if (flacErcd != 0) {
// FLACヘッダ部分読み込み失敗。
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + " {2}: {1}{3}",
"FLAC", path, FlacDecodeIF.ErrorCodeToStr(flacErcd), Environment.NewLine));
return false;
}
// FLACヘッダ部分読み込み成功。
if (ctiList.Count == 0 || mode == ReadHeaderMode.OnlyConcreteFile) {
// FLAC埋め込みCUEシート情報を読まない。
CheckAddPcmData(path, pcmData, true);
} else {
// FLAC埋め込みCUEシート情報を読む。
PcmData pcmTrack = null;
for (int trackId=0; trackId < ctiList.Count; ++trackId) {
var cti = ctiList[trackId];
if (cti.indices.Count == 0) {
// インデックスが1つもないトラック。lead-outトラックの場合等。
if (pcmTrack != null) {
pcmTrack.EndTick = (int)((cti.offsetSamples * 75) / pcmTrack.SampleRate);
CheckAddPcmData(path, pcmTrack, false);
pcmTrack = null;
}
} else {
for (int indexId=0; indexId < cti.indices.Count; ++indexId) {
var indexInfo = cti.indices[indexId];
if (pcmTrack != null) {
pcmTrack.EndTick = (int)(((cti.offsetSamples + indexInfo.offsetSamples) * 75) / pcmTrack.SampleRate);
CheckAddPcmData(path, pcmTrack, false);
pcmTrack = null;
}
pcmTrack = new PcmData();
pcmTrack.CopyFrom(pcmData);
if (pcmTrack.DisplayName.Length == 0) {
pcmTrack.DisplayName = System.IO.Path.GetFileName(path);
}
pcmTrack.DisplayName = string.Format(CultureInfo.InvariantCulture,
"{0} (Track {1}, Index {2})", pcmTrack.DisplayName, cti.trackNr, indexInfo.indexNr);
pcmTrack.CueSheetIndex = indexInfo.indexNr;
pcmTrack.StartTick = (int)(((cti.offsetSamples + indexInfo.offsetSamples) * 75) / pcmTrack.SampleRate);
}
}
}
}
return true;
}
