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Need for speed GIN to WAV converter
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| using System.IO; | |
| internal class Program | |
| { | |
| private static void Main(string[] args) | |
| { | |
| var buffer = new byte[0x4C]; | |
| int[] samples = new int[0x20], | |
| coeffs1 = new int[] { 0, 0xF0, 0x1CC, 0x188 }, | |
| coeffs2 = new int[] { 0, 0, -0xD0, -0xDC }; | |
| using (var inFile = File.OpenRead(args[0])) | |
| using (var br = new BinaryReader(inFile)) | |
| using (var outFile = File.OpenWrite($"{Path.GetFileNameWithoutExtension(args[0])}.wav")) | |
| using (var bw = new BinaryWriter(outFile)) | |
| { | |
| inFile.Position += 0x10; | |
| int offset1 = br.ReadInt32(), | |
| offset2 = br.ReadInt32(); | |
| inFile.Position += sizeof(int); | |
| int sampleRate = br.ReadInt32(); | |
| inFile.Position += (offset1 + offset2 + 2) * 4; | |
| int sampleCount = (int)(inFile.Length - inFile.Position) / 0x13 * 0x20, | |
| samplesRead = 0; | |
| bw.Write(0x46464952); | |
| bw.Write(sampleCount * 2 + 0x24); | |
| bw.Write(0x20746D6645564157); | |
| bw.Write(0x10); | |
| bw.Write((short)1); | |
| bw.Write((short)1); | |
| bw.Write(sampleRate); | |
| bw.Write(sampleRate * 2); | |
| bw.Write((short)(2)); | |
| bw.Write((short)0x10); | |
| bw.Write(0x61746164); | |
| bw.Write(sampleCount * 2); | |
| while (inFile.Position < inFile.Length) | |
| { | |
| int pos = (int)(inFile.Length - inFile.Position) / 0x13; | |
| for (int i = 0; i < pos; i++, samplesRead += 0x20) | |
| { | |
| inFile.Read(buffer, 0, 0x13); | |
| samples[0] = (short)(buffer[0] & 0xF0 | buffer[1] << 8); | |
| samples[1] = (short)(buffer[2] & 0xF0 | buffer[3] << 8); | |
| int coeffsOffset = buffer[0] & 0xF, | |
| subFactor = buffer[2] & 0xF; | |
| for (int sampleIndex = 2; sampleIndex < 0x20; sampleIndex += 2) | |
| { | |
| int samp1 = (buffer[3 + sampleIndex / 2] & 0xF0) >> 4; | |
| if (samp1 > 7) samp1 -= 0x10; | |
| int samp2 = samples[sampleIndex - 1] * coeffs1[coeffsOffset] + | |
| samples[sampleIndex - 2] * coeffs2[coeffsOffset]; | |
| samples[sampleIndex] = samp2 + (samp1 << 0x14 - subFactor) + 0x80 >> 8; | |
| if (samples[sampleIndex] > 0x7FFF) samples[sampleIndex] = 0x7FFF; | |
| if (samples[sampleIndex] < -0x8000) samples[sampleIndex] = -0x8000; | |
| int samp3 = buffer[3 + sampleIndex / 2] & 0xF; | |
| if (samp3 > 7) samp3 -= 0x10; | |
| int samp4 = samples[sampleIndex] * coeffs1[coeffsOffset] + | |
| samples[sampleIndex - 1] * coeffs2[coeffsOffset]; | |
| samples[sampleIndex + 1] = samp4 + (samp3 << 0x14 - subFactor) + 0x80 >> 8; | |
| if (samples[sampleIndex + 1] > 0x7FFF) samples[sampleIndex + 1] = 0x7FFF; | |
| if (samples[sampleIndex + 1] < -0x8000) samples[sampleIndex + 1] = -0x8000; | |
| } | |
| for (int j = 0; j < 0x20; j++) | |
| bw.Write((short)samples[j]); | |
| } | |
| } | |
| } | |
| } | |
| } |
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Wait how in the first place I'm running this?