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chudov
2011-11-15 10:56:49 +00:00
parent 18af0c595d
commit 4520762a72
25 changed files with 1958 additions and 780 deletions
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13
CUETools.TestHelpers/NoiseAndErrorsGenerator.cs
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@@ -15,7 +15,7 @@ namespace CUETools.TestHelpers
private int tempOffs;
private int nextError;
public NoiseAndErrorsGenerator(AudioPCMConfig pcm, long sampleCount, int seed, int offset, int errors)
public NoiseAndErrorsGenerator(AudioPCMConfig pcm, long sampleCount, int seed, int offset, int errors, int maxStrideErrors = 0)
{
if (offset < 0)
throw new ArgumentOutOfRangeException("offset", "offset cannot be negative");
@@ -35,8 +35,15 @@ namespace CUETools.TestHelpers
rnd.NextBytes(new byte[byteOff % temp.Length]);
this.errors = new int[errors];
this.rnd2 = new Random(seed);
for (int i = 0; i < errors; i++)
this.errors[i] = this.rnd2.Next(0, (int)sampleCount);
var strideErrors = new int[10 * 588];
for (int i = 0; i < errors; i++)
{
do
{
this.errors[i] = this.rnd2.Next(0, (int)sampleCount);
} while (maxStrideErrors > 0 && strideErrors[this.errors[i] % (10 * 588)] >= maxStrideErrors);
strideErrors[this.errors[i] % (10 * 588)]++;
}
this.rnd2 = new Random(seed);
Array.Sort(this.errors);
this.nextError = 0;