/// <summary>
/// AIFF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 ReadAiffFileHeader(string path)
{
bool result = false;
var ar = new AiffReader();
using (BinaryReader br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
PcmDataLib.PcmData pd;
var aiffResult = ar.ReadHeader(br, out pd);
if (aiffResult == AiffReader.ResultType.Success)
{
if (CheckAddPcmData(path, pd, true))
{
result = true;
}
}
else
{
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + " {1}: {2}{3}",
"AIFF", aiffResult, path, Environment.NewLine));
}
}
return(result);
}
/// <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 int StreamBeginAiff(string path, long startFrame)
{
int ercd = -1;
mAiffR = new AiffReader();
mBr = new BinaryReader(
File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read));
AiffReader.ResultType result = mAiffR.ReadStreamBegin(mBr, out mPcmData);
if (result == AiffReader.ResultType.Success)
{
NumFrames = mAiffR.NumFrames;
mAiffR.ReadStreamSkip(mBr, startFrame);
ercd = 0;
}
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;
}
private int StreamBeginAiff(string path, long startFrame)
{
int ercd = -1;
mAiffR = new AiffReader();
mBr = new BinaryReader(
File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read));
AiffReader.ResultType result = mAiffR.ReadStreamBegin(mBr, out mPcmData);
if (result == AiffReader.ResultType.Success) {
NumFrames = mAiffR.NumFrames;
mAiffR.ReadStreamSkip(mBr, startFrame);
ercd = 0;
}
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>
/// AIFF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 ReadAiffFileHeader(string path)
{
bool result = false;
var ar = new AiffReader();
using (BinaryReader br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) {
PcmDataLib.PcmData pd;
var aiffResult = ar.ReadHeader(br, out pd);
if (aiffResult == AiffReader.ResultType.Success) {
if (CheckAddPcmData(path, pd, true)) {
result = true;
}
} else {
LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + " {1}: {2}{3}",
"AIFF", aiffResult, path, Environment.NewLine));
}
}
return result;
}