public void Resample_8To8() //broken only on Linux?
{
//-- 1. Create a raw sine sample which shall be 44100 Hz and 16 Bit
int sampleLength = 500;
byte[] buffer = new byte[sampleLength];
for (int i = 0; i < sampleLength; i++)
{
buffer [i] = (byte)(128 + 120.0f * Math.Sin(((float)i / (float)sampleLength) * (Math.PI * 2.0f)));
}
using (BinaryWriter writerRaw = new BinaryWriter(File.Open("test2_in_sine_44100_8.raw", FileMode.Create))) {
for (uint i = 0; i < sampleLength; i++)
{
writerRaw.Write(buffer [i]);
}
}
GCHandle _hGCFile;
// now create a pinned handle, so that the Garbage Collector will not move this object
_hGCFile = GCHandle.Alloc(buffer, GCHandleType.Pinned);
int handle = Bass.BASS_StreamCreate(44100, 1, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_8BITS, BASSStreamProc.STREAMPROC_PUSH);
int ret = Bass.BASS_StreamPutData(handle, _hGCFile.AddrOfPinnedObject(), buffer.Length * sizeof(byte) | (int)BASSStreamProc.BASS_STREAMPROC_END);
Assert.AreEqual(buffer.Length * sizeof(byte), ret);
//-- 2. Mix it
int mixer = BassMix.BASS_Mixer_StreamCreate(11025, 1, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_8BITS);
// add channel to mixer
bool isMixerGood = BassMix.BASS_Mixer_StreamAddChannel(mixer, handle, BASSFlag.BASS_MIXER_NORAMPIN);
Assert.AreEqual(true, isMixerGood);
//-- 3. grab Stream and compare
byte[] buffer2 = new byte[1000];
// total data written to the new byte[] buffer
int totalDataWritten = Bass.BASS_ChannelGetData(mixer, buffer2, (int)1000);
Console.WriteLine("totalDataWritten " + totalDataWritten);
using (BinaryWriter writerRaw = new BinaryWriter(File.Open("test2_out_sine_11025_8.raw", FileMode.Create))) {
for (uint i = 0; i < totalDataWritten; i++)
{
writerRaw.Write(buffer2 [i]);
}
}
string hashGen = MD5Utils.GenerateMd5Hash(buffer2);
Bass.BASS_StreamFree(handle);
Bass.BASS_StreamFree(mixer);
Assert.AreEqual("50bce9c536e98667534747f0a5f06ebd", hashGen);
}
public void ConversionTest(string path, string hash)
{
songDataFactory = new SongDataFactory();
songDataFactory.ReportProgress += ReportProgress;
//Console.WriteLine("ConversionTest....");
//string input = this.TestContext.Properties["resource_path"].ToString() + resourceAttribute.Path;
string input = "resources/examples/" + path;
RenoiseSong renoiseSong = songDataFactory.ExtractRenoiseSong(input);
songData = songDataFactory.ExtractSongData(renoiseSong, input);
converter = new ModConverter(input);
converter.EventProgress += ReportProgress;
settings = new ModSettings();
settings.ForceProTrackerCompatibility = PROTRACKER_COMPATIBILITY_MODE.NONE;
settings.NtscMode = true;
settings.PortamentoLossThreshold = 2;
settings.VolumeScalingMode = VOLUME_SCALING_MODE.SAMPLE;
converter.Settings = settings;
byte[] bytes = converter.Convert(songData);
string hashGen = MD5Utils.GenerateMd5Hash(bytes);
//Write file for later investigation
string outputFile = input.Remove(input.Length - 5); // default output file, same as input without .xrns extension
outputFile = System.Text.RegularExpressions.Regex.Match(outputFile, @"(?:(?!\.(mod|xm)$).)*").Value;
string outputFileExt = System.Text.RegularExpressions.Regex.Match(outputFile, @"\.(mod | xm)$").Value;
string destType = "mod";
// add extension to output file in case user has not already specified it
if (!outputFileExt.Equals("." + destType, StringComparison.CurrentCultureIgnoreCase))
{
outputFile += '.' + destType;
}
Utility.SaveByteArrayToFile(outputFile, bytes);
//So is it what we wanted?
Assert.AreEqual(hash, hashGen);
}
public void ConversionTest(string path, string hash)
{
songDataFactory = new SongDataFactory();
songDataFactory.ReportProgress += ReportProgress;
string input = "resources/examples/" + path;
RenoiseSong renoiseSong = songDataFactory.ExtractRenoiseSong(input);
songData = songDataFactory.ExtractSongData(renoiseSong, input);
converter = new XMConverter(input);
settings = new XmSettings();
settings.Tempo = songData.InitialBPM;
settings.TicksRow = songData.TicksPerLine;
converter.Settings = settings;
converter.EventProgress += ReportProgress;
byte[] bytes = converter.Convert(songData);
string hashGen = MD5Utils.GenerateMd5Hash(bytes);
//Write file for later investigation
string outputFile = input.Remove(input.Length - 5); // default output file, same as input without .xrns extension
outputFile = System.Text.RegularExpressions.Regex.Match(outputFile, @"(?:(?!\.(mod|xm)$).)*").Value;
string outputFileExt = System.Text.RegularExpressions.Regex.Match(outputFile, @"\.(mod | xm)$").Value;
string destType = "xm";
// add extension to output file in case user has not already specified it
if (!outputFileExt.Equals("." + destType, StringComparison.CurrentCultureIgnoreCase))
{
outputFile += '.' + destType;
}
Utility.SaveByteArrayToFile(outputFile, bytes);
//So is it what we wanted?
Assert.AreEqual(hash, hashGen);
}
public void Resample_16To16()
{
//-- 1. Create a raw sine sample which shall be 44100 Hz and 16 Bit
int sampleLength = 500;
short[] buffer = new short[sampleLength];
for (int i = 0; i < sampleLength; i++)
{
buffer [i] = (short)(30000.0f * Math.Sin(((float)i / (float)sampleLength) * (Math.PI * 2.0f)));
}
using (BinaryWriter writerRaw = new BinaryWriter(File.Open("test1_in_sine_44100_16.raw", FileMode.Create))) {
for (uint i = 0; i < sampleLength; i++)
{
writerRaw.Write(buffer [i]);
}
}
GCHandle _hGCFile;
// now create a pinned handle, so that the Garbage Collector will not move this object
_hGCFile = GCHandle.Alloc(buffer, GCHandleType.Pinned);
int handle = Bass.BASS_StreamCreate(44100, 1, BASSFlag.BASS_STREAM_DECODE, BASSStreamProc.STREAMPROC_PUSH);
int ret = Bass.BASS_StreamPutData(handle, _hGCFile.AddrOfPinnedObject(), buffer.Length * sizeof(short) | (int)BASSStreamProc.BASS_STREAMPROC_END);
Assert.AreEqual(buffer.Length * sizeof(short), ret);
//-- 2. Mix it
int mixer = BassMix.BASS_Mixer_StreamCreate(11025, 1, BASSFlag.BASS_STREAM_DECODE);
// add channel to mixer
bool isMixerGood = BassMix.BASS_Mixer_StreamAddChannel(mixer, handle, BASSFlag.BASS_MIXER_NORAMPIN);
Assert.AreEqual(true, isMixerGood);
//-- 3. grab Stream and compare
short[] buffer2 = new short[1000];
// total data written to the new byte[] buffer
int totalDataWritten = Bass.BASS_ChannelGetData(mixer, buffer2, (int)1000);
Console.WriteLine("totalDataWritten " + totalDataWritten);
using (BinaryWriter writerRaw = new BinaryWriter(File.Open("test1_out_sine_11025_16.raw", FileMode.Create))) {
for (uint i = 0; i < totalDataWritten / 2; i++)
{
writerRaw.Write(buffer2 [i]);
}
}
byte[] buffer3 = new byte[2000];
Buffer.BlockCopy(buffer2, 0, buffer3, 0, totalDataWritten);
string hashGen = MD5Utils.GenerateMd5Hash(buffer3);
Bass.BASS_StreamFree(handle);
Bass.BASS_StreamFree(mixer);
Assert.AreEqual("2c61dc0767698eb28c7735cb073cea6c", hashGen);
}
