claunia/cuetools.net
1
0
Fork 0
mirror of https://github.com/claunia/cuetools.net.git synced 2025-12-16 18:14:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

ALAC can also be read from RAR archive

Browse Source
This commit is contained in:
chudov
2008-11-10 10:31:35 +00:00
parent df34997334
commit 9f4ceab16e
3 changed files with 42 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
ALACDotNet/ALACDotNet.cs
View File

@@ -28,16 +28,16 @@ namespace ALACDotNet
{
public class ALACReader : IAudioSource
{
public ALACReader(string path)
public ALACReader(string path, Stream IO)
{
_path = path;
m_spIO = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
_IO = IO != null ? IO : new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
_buff = new byte[512];
_tags = new NameValueCollection();
qtmovie_read();
if (!_formatRead || _bitsPerSample != 16 || _channelCount != 2 || _sampleRate != 44100)
throw new Exception("Invalid ALAC file.");
_saved_mdat_pos = m_spIO.Position;
_saved_mdat_pos = _IO.Position;
}
public uint Read(int[,] buff, uint sampleCount)
@@ -83,7 +83,7 @@ namespace ALACDotNet
if ((int) _iSample >= _sample_byte_size.Length)
return (uint)offset;
get_sample_info(_iSample, out sampleDuration, out sampleSize);
m_spIO.Read(_framesBuffer, 0, (int) sampleSize);
_IO.Read(_framesBuffer, 0, (int) sampleSize);
decodeFrame(sampleDuration, sampleSize);
if (sampleDuration != _samplesInBuffer)
throw new Exception("sample count mismatch");
@@ -102,7 +102,7 @@ namespace ALACDotNet
public void Close()
{
m_spIO.Close();
_IO.Close();
}
public ulong Length
@@ -142,7 +142,7 @@ namespace ALACDotNet
{
if (durOffs == value)
{
m_spIO.Position = _saved_mdat_pos + fileOffs;
_IO.Position = _saved_mdat_pos + fileOffs;
return;
}
get_sample_info(_iSample, out sampleDuration, out sampleSize);
@@ -150,7 +150,7 @@ namespace ALACDotNet
fileOffs += sampleSize;
_iSample++;
} while (durOffs <= value);
m_spIO.Position = _saved_mdat_pos + fileOffs - sampleSize;
_IO.Position = _saved_mdat_pos + fileOffs - sampleSize;
_samplesBufferOffset = (uint) (value + sampleDuration - durOffs);
_iSample--;
}
@@ -218,7 +218,7 @@ namespace ALACDotNet
{
if (len > 512)
throw new Exception("Decoding failed.");
if (m_spIO.Read(_buff, 0, len) != len)
if (_IO.Read(_buff, 0, len) != len)
throw new Exception("Decoding failed.");
return _buff;
}
@@ -255,7 +255,7 @@ namespace ALACDotNet
private void stream_skip (UInt32 skip)
{
m_spIO.Position += skip;
_IO.Position += skip;
}
/* supports reading 1 to 24 bits, in big endian format */
@@ -834,7 +834,7 @@ namespace ALACDotNet
_codecData[0] = 0; _codecData[1] = 0; _codecData[2] = 0; _codecData[3] = 0x0C;
_codecData[4] = (byte)'f'; _codecData[5] = (byte)'r'; _codecData[6] = (byte)'m'; _codecData[7] = (byte)'a';
_codecData[8] = (byte)'a'; _codecData[9] = (byte)'l'; _codecData[10] = (byte)'a'; _codecData[11] = (byte)'c';
m_spIO.Read(_codecData, 12, (int)entry_remaining);
_IO.Read(_codecData, 12, (int)entry_remaining);
entry_remaining -= entry_remaining;
//#endif
@@ -957,7 +957,7 @@ namespace ALACDotNet
/* name */
UInt32 strlen = stream_read_uint8();
byte[] str = new byte[strlen];
m_spIO.Read(str, 0, (int)strlen);
_IO.Read(str, 0, (int)strlen);
size_remaining -= 1 + strlen;
if (size_remaining > 0)
@@ -989,7 +989,7 @@ namespace ALACDotNet
return;
if (skip_mdat)
{
_saved_mdat_pos = m_spIO.Position;
_saved_mdat_pos = _IO.Position;
stream_skip(size_remaining);
}
//#if 0
@@ -1049,7 +1049,7 @@ namespace ALACDotNet
if (str_size <= 0) return;
if (tag_format != 0) throw new Exception(path + " not a binary");
byte[] value = new byte[str_size];
if (m_spIO.Read(value, 0, str_size) != str_size)
if (_IO.Read(value, 0, str_size) != str_size)
throw new Exception("Decoding failed.");
if (path.EndsWith(".trkn.data"))
{
@@ -1189,7 +1189,7 @@ namespace ALACDotNet
qtmovie_read_lst("top.moov", chunk_len - 8, null);
if (found_mdat)
{
m_spIO.Position = _saved_mdat_pos;
_IO.Position = _saved_mdat_pos;
return;
}
found_moov = true;
@@ -1216,7 +1216,7 @@ namespace ALACDotNet
}
string _path;
FileStream m_spIO;
Stream _IO;
byte[] _codecData;
uint[] _time_to_sample_count, _time_to_sample_duration, _sample_byte_size;