| public static GetReadStream ( IWriteFile iw ) : Stream | ||
| iw | IWriteFile | |
| return | Stream | |
public long AnalyzePP(ppParser pp)
{
long total = 0;
for (int i = 0; i < pp.Subfiles.Count; i++)
{
IWriteFile iw = pp.Subfiles[i];
if (!iw.Name.EndsWith(".wav"))
{
continue;
}
Stream str = Tools.GetReadStream(iw);
if (!str.CanSeek || str.Length == 0)
{
str.Close();
continue;
}
using (str)
{
WaveFileChunkReader wv = new WaveFileChunkReader();
WaveFormat f;
try
{
f = wv.ReadWaveHeader(str);
}
catch (FormatException)
{
str.Close();
continue;
}
long length = str.Length;
long remaining = length;
if (f.Channels > 1) // || wv.WaveFormat.Encoding != WaveFormatEncoding.Adpcm
{
total += (length / 2);
remaining /= 2;
}
if (f.SampleRate > SampleRate)
{
total += remaining - (long)(((float)SampleRate / f.SampleRate) * remaining);
}
}
if (ProgressUpdated != null)
{
ProgressUpdated((int)Math.Floor((double)(100 * i) / pp.Subfiles.Count));
}
}
return(total);
}
public void ProcessPP(ppParser pp)
{
for (int i = 0; i < pp.Subfiles.Count; i++)
{
IWriteFile iw = pp.Subfiles[i];
if (!iw.Name.EndsWith(".wav"))
{
continue;
}
Stream str = Tools.GetReadStream(iw);
if (!str.CanSeek || str.Length == 0)
{
str.Close();
continue;
}
using (str)
using (WaveFileReader wv = new WaveFileReader(str))
{
if (wv.WaveFormat.Channels > 1 || wv.WaveFormat.SampleRate > SampleRate) // || wv.WaveFormat.Encoding != WaveFormatEncoding.Adpcm
{
WaveFormat f = new WaveFormat(SampleRate, 16, 1); //new AdpcmWaveFormat(wv.WaveFormat.SampleRate, 1);
using (MediaFoundationResampler resampledAudio = new MediaFoundationResampler(wv, f))
{
resampledAudio.ResamplerQuality = 60;
MemoryStream o = new MemoryStream();
using (WaveFileWriter wr = new WaveFileWriter(o, f))
{
int count = 0;
byte[] buffer = new byte[2048];
while ((count = resampledAudio.Read(buffer, 0, 2048)) > 0)
{
wr.Write(buffer, 0, count);
}
wr.Flush();
pp.Subfiles[i] = new MemSubfile(ToByteArray(o), iw.Name);
}
}
}
}
if (ProgressUpdated != null)
{
ProgressUpdated((int)Math.Floor((double)(100 * i) / pp.Subfiles.Count));
}
}
}
public long AnalyzePP(ppParser pp)
{
long savings = 0;
for (int i = 0; i < pp.Subfiles.Count; i++)
{
IWriteFile iw = pp.Subfiles[i];
if (!iw.Name.EndsWith(".tga"))
{
continue;
}
Stream str = Tools.GetReadStream(iw);
if (!str.CanSeek || str.Length == 0)
{
str.Close();
continue;
}
using (str)
{
try
{
MagickImage m = new MagickImage(str);
m.CompressionMethod = CompressionMethod.RLE;
using (MemoryStream rle = new MemoryStream())
{
m.Write(rle, MagickFormat.Tga);
savings += str.Length - rle.Length;
}
}
catch (MagickException) { }
}
if (ProgressUpdated != null)
{
ProgressUpdated((int)Math.Floor((double)(100 * i) / pp.Subfiles.Count));
}
}
return(savings);
}