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add some built in voices

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Concedo 2025-01-15 00:17:17 +08:00
parent 0a6ccda203
commit ed9f7a38ae
6 changed files with 94 additions and 43 deletions
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23
otherarch/utils.cpp
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@ -345,6 +345,29 @@ std::string get_timestamp_str()
return timestamp;
}
std::vector<float> resample_wav(const std::vector<float>& input, uint32_t input_rate, uint32_t output_rate) {
size_t input_size = input.size();
double ratio = static_cast<double>(output_rate) / input_rate;
size_t newLength = static_cast<size_t>(input.size() * ratio);
std::vector<float> output(newLength);
// Perform simple linear interpolation resampling
for (size_t i = 0; i < newLength; ++i) {
double srcIndex = i / ratio;
size_t srcIndexInt = static_cast<size_t>(srcIndex);
double frac = srcIndex - srcIndexInt;
if (srcIndexInt + 1 < input_size) {
output[i] = static_cast<float>(input[srcIndexInt] * (1 - frac) + input[srcIndexInt + 1] * frac);
} else {
output[i] = input[srcIndexInt];
}
}
return output;
}
//a very rudimentary all in one sampling function which has no dependencies
int32_t kcpp_quick_sample(float * logits, const int n_logits, int top_k, float temp, std::mt19937 & rng)
{