public WmaInput(Stream file) : base(file)
{
var reader = new CustomMediaFoundationReader(file);
if (reader.Duration != 0)
{
m_bitrate = (int)(file.Length * 80000000L / reader.Duration);
}
else
{
m_bitrate = reader.WaveFormat.AverageBytesPerSecond * 8;
}
m_reader = reader;
var format = new GameRes.WaveFormat {
FormatTag = (ushort)m_reader.WaveFormat.Encoding,
Channels = (ushort)m_reader.WaveFormat.Channels,
SamplesPerSecond = (uint)m_reader.WaveFormat.SampleRate,
BitsPerSample = (ushort)m_reader.WaveFormat.BitsPerSample,
BlockAlign = (ushort)m_reader.BlockAlign,
AverageBytesPerSecond = (uint)m_reader.WaveFormat.AverageBytesPerSecond,
};
this.Format = format;
this.PcmSize = m_reader.Length;
}
public OggInput(Stream file) : base(file)
{
m_reader = new VorbisReader(Source, false);
var format = new GameRes.WaveFormat();
format.FormatTag = 3; // WAVE_FORMAT_IEEE_FLOAT
format.Channels = (ushort)m_reader.Channels;
format.SamplesPerSecond = (uint)m_reader.SampleRate;
format.BitsPerSample = 32;
format.BlockAlign = (ushort)(4 * format.Channels);
format.AverageBytesPerSecond = format.SamplesPerSecond * format.BlockAlign;
this.Format = format;
this.PcmSize = (long)(m_reader.TotalTime.TotalSeconds * format.SamplesPerSecond * format.Channels * sizeof(float));
}
public Mp3Input(Stream file) : base(file)
{
m_reader = new Mp3FileReader(file);
m_bitrate = m_reader.Mp3WaveFormat.AverageBytesPerSecond * 8;
var format = new GameRes.WaveFormat();
format.FormatTag = (ushort)m_reader.WaveFormat.Encoding;
format.Channels = (ushort)m_reader.WaveFormat.Channels;
format.SamplesPerSecond = (uint)m_reader.WaveFormat.SampleRate;
format.BitsPerSample = (ushort)m_reader.WaveFormat.BitsPerSample;
format.BlockAlign = (ushort)m_reader.BlockAlign;
format.AverageBytesPerSecond = (uint)m_reader.WaveFormat.AverageBytesPerSecond;
this.Format = format;
this.PcmSize = m_reader.Length;
}
public AiffInput(Stream file) : base(file)
{
m_reader = new AiffFileReader(file);
var format = new GameRes.WaveFormat {
FormatTag = (ushort)m_reader.WaveFormat.Encoding,
Channels = (ushort)m_reader.WaveFormat.Channels,
SamplesPerSecond = (uint)m_reader.WaveFormat.SampleRate,
BitsPerSample = (ushort)m_reader.WaveFormat.BitsPerSample,
BlockAlign = (ushort)m_reader.BlockAlign,
AverageBytesPerSecond = (uint)m_reader.WaveFormat.AverageBytesPerSecond,
};
this.Format = format;
this.PcmSize = m_reader.Length;
}
public WaveInput(Stream file) : base(file)
{
m_reader = new WaveFileReader(file);
var wf = m_reader.WaveFormat;
if (ConversionRequired.Contains(wf.Encoding))
{
var wav = WaveFormatConversionStream.CreatePcmStream(m_reader);
wf = wav.WaveFormat;
m_reader = wav;
}
var format = new GameRes.WaveFormat();
format.FormatTag = (ushort)wf.Encoding;
format.Channels = (ushort)wf.Channels;
format.SamplesPerSecond = (uint)wf.SampleRate;
format.BitsPerSample = (ushort)wf.BitsPerSample;
format.BlockAlign = (ushort)wf.BlockAlign;
format.AverageBytesPerSecond = (uint)wf.AverageBytesPerSecond;
this.Format = format;
this.PcmSize = m_reader.Length;
}
public MioInput(Stream file) : base(file)
{
file.Position = 0x40;
using (var erif = new EriFile(file))
{
var section = erif.ReadSection();
if (section.Id != "Header " || section.Length <= 0 || section.Length > int.MaxValue)
{
throw new InvalidFormatException();
}
m_stream_pos = 0x50 + section.Length;
int header_size = (int)section.Length;
while (header_size > 0x10)
{
section = erif.ReadSection();
header_size -= 0x10;
if (section.Length <= 0 || section.Length > header_size)
{
break;
}
if ("SoundInf" == section.Id)
{
m_info = new MioInfoHeader();
m_info.Version = erif.ReadInt32();
m_info.Transformation = (CvType)erif.ReadInt32();
m_info.Architecture = (EriCode)erif.ReadInt32();
m_info.ChannelCount = erif.ReadInt32();
m_info.SamplesPerSec = erif.ReadUInt32();
m_info.BlocksetCount = erif.ReadUInt32();
m_info.SubbandDegree = erif.ReadInt32();
m_info.AllSampleCount = erif.ReadUInt32();
m_info.LappedDegree = erif.ReadUInt32();
m_info.BitsPerSample = erif.ReadUInt32();
break;
}
header_size -= (int)section.Length;
erif.BaseStream.Seek(section.Length, SeekOrigin.Current);
}
if (null == m_info)
{
throw new InvalidFormatException("MIO sound header not found");
}
erif.BaseStream.Position = m_stream_pos;
var stream_size = erif.FindSection("Stream ");
m_stream_pos = erif.BaseStream.Position;
m_pmiod = new MioDecoder(m_info);
if (EriCode.Nemesis != m_info.Architecture)
{
m_pmioc = new HuffmanDecodeContext(0x10000);
}
else
{
throw new NotImplementedException("MIO Nemesis encoding not implemented");
}
int pcm_bitrate = (int)(m_info.SamplesPerSec * BitsPerSample * ChannelCount);
var format = new GameRes.WaveFormat();
format.FormatTag = 1;
format.Channels = (ushort)ChannelCount;
format.SamplesPerSecond = m_info.SamplesPerSec;
format.BitsPerSample = (ushort)BitsPerSample;
format.BlockAlign = (ushort)(BitsPerSample / 8 * format.Channels);
format.AverageBytesPerSecond = (uint)pcm_bitrate / 8;
this.Format = format;
m_decoded_stream = LoadChunks(erif);
if (0 != m_total_samples)
{
m_bitrate = (int)(stream_size * 8 * m_info.SamplesPerSec / m_total_samples);
}
this.PcmSize = m_total_samples * ChannelCount * BitsPerSample / 8;
m_decoded_stream.Position = 0;
}
}
public WaveInput(Stream file)
: base(file)
{
m_reader = new WaveFileReader (file);
var wf = m_reader.WaveFormat;
if (ConversionRequired.Contains (wf.Encoding))
{
var wav = WaveFormatConversionStream.CreatePcmStream (m_reader);
wf = wav.WaveFormat;
m_reader = wav;
}
var format = new GameRes.WaveFormat();
format.FormatTag = (ushort)wf.Encoding;
format.Channels = (ushort)wf.Channels;
format.SamplesPerSecond = (uint)wf.SampleRate;
format.BitsPerSample = (ushort)wf.BitsPerSample;
format.BlockAlign = (ushort)wf.BlockAlign;
format.AverageBytesPerSecond = (uint)wf.AverageBytesPerSecond;
this.Format = format;
this.PcmSize = m_reader.Length;
}
public Mp3Input(Stream file)
: base(file)
{
m_reader = new Mp3FileReader (file);
m_bitrate = m_reader.Mp3WaveFormat.AverageBytesPerSecond*8;
var format = new GameRes.WaveFormat();
format.FormatTag = (ushort)m_reader.WaveFormat.Encoding;
format.Channels = (ushort)m_reader.WaveFormat.Channels;
format.SamplesPerSecond = (uint)m_reader.WaveFormat.SampleRate;
format.BitsPerSample = (ushort)m_reader.WaveFormat.BitsPerSample;
format.BlockAlign = (ushort)m_reader.BlockAlign;
format.AverageBytesPerSecond = (uint)m_reader.WaveFormat.AverageBytesPerSecond;
this.Format = format;
this.PcmSize = m_reader.Length;
}
