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Add C API for speech enhancement GTCRN models (#1984)

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This commit is contained in:
Fangjun Kuang
2025-03-11 15:50:04 +08:00
committed by GitHub
parent 5d2d792b1d
commit c5dbf1177c
6 changed files with 238 additions and 1 deletions
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85
sherpa-onnx/c-api/c-api.cc
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@@ -24,6 +24,7 @@
#include "sherpa-onnx/csrc/macros.h"
#include "sherpa-onnx/csrc/offline-punctuation.h"
#include "sherpa-onnx/csrc/offline-recognizer.h"
#include "sherpa-onnx/csrc/offline-speech-denoiser.h"
#include "sherpa-onnx/csrc/online-punctuation.h"
#include "sherpa-onnx/csrc/online-recognizer.h"
#include "sherpa-onnx/csrc/resample.h"
@@ -1967,6 +1968,77 @@ int32_t SherpaOnnxFileExists(const char *filename) {
return sherpa_onnx::FileExists(filename);
}
struct SherpaOnnxOfflineSpeechDenoiser {
std::unique_ptr<sherpa_onnx::OfflineSpeechDenoiser> impl;
};
static sherpa_onnx::OfflineSpeechDenoiserConfig GetOfflineSpeechDenoiserConfig(
const SherpaOnnxOfflineSpeechDenoiserConfig *config) {
sherpa_onnx::OfflineSpeechDenoiserConfig c;
c.model.gtcrn.model = SHERPA_ONNX_OR(config->model.gtcrn.model, "");
c.model.num_threads = SHERPA_ONNX_OR(config->model.num_threads, 1);
c.model.debug = config->model.debug;
c.model.provider = SHERPA_ONNX_OR(config->model.provider, "cpu");
if (c.model.debug) {
#if __OHOS__
SHERPA_ONNX_LOGE("%{public}s\n", c.ToString().c_str());
#else
SHERPA_ONNX_LOGE("%s\n", c.ToString().c_str());
#endif
}
return c;
}
const SherpaOnnxOfflineSpeechDenoiser *SherpaOnnxCreateOfflineSpeechDenoiser(
const SherpaOnnxOfflineSpeechDenoiserConfig *config) {
auto sd_config = GetOfflineSpeechDenoiserConfig(config);
if (!sd_config.Validate()) {
SHERPA_ONNX_LOGE("Errors in config");
return nullptr;
}
SherpaOnnxOfflineSpeechDenoiser *sd = new SherpaOnnxOfflineSpeechDenoiser;
sd->impl = std::make_unique<sherpa_onnx::OfflineSpeechDenoiser>(sd_config);
return sd;
}
void SherpaOnnxDestroyOfflineSpeechDenoiser(
const SherpaOnnxOfflineSpeechDenoiser *sd) {
delete sd;
}
int32_t SherpaOnnxOfflineSpeechDenoiserGetSampleRate(
const SherpaOnnxOfflineSpeechDenoiser *sd) {
return sd->impl->GetSampleRate();
}
const SherpaOnnxDenoisedAudio *SherpaOnnxOfflineSpeechDenoiserRun(
const SherpaOnnxOfflineSpeechDenoiser *sd, const float *samples, int32_t n,
int32_t sample_rate) {
auto audio = sd->impl->Run(samples, n, sample_rate);
auto ans = new SherpaOnnxDenoisedAudio;
float *denoised_samples = new float[audio.samples.size()];
std::copy(audio.samples.begin(), audio.samples.end(), denoised_samples);
ans->samples = denoised_samples;
ans->n = audio.samples.size();
ans->sample_rate = audio.sample_rate;
return ans;
}
void SherpaOnnxDestroyDenoisedAudio(const SherpaOnnxDenoisedAudio *p) {
delete[] p->samples;
delete p;
}
#if SHERPA_ONNX_ENABLE_SPEAKER_DIARIZATION == 1
struct SherpaOnnxOfflineSpeakerDiarization {
@@ -2244,6 +2316,19 @@ void SherpaOnnxOfflineSpeakerDiarizationDestroyResult(
#ifdef __OHOS__
const SherpaOnnxOfflineSpeechDenoiser *
SherpaOnnxCreateOfflineSpeechDenoiserOHOS(
const SherpaOnnxOfflineSpeechDenoiserConfig *config,
NativeResourceManager *mgr) {
auto sd_config = GetOfflineSpeechDenoiserConfia(config);
SherpaOnnxOfflineSpeechDenoiser *sd = new SherpaOnnxOfflineSpeechDenoiser;
sd->impl = std::make_unique<sherpa_onnx::OfflineSpeechDenoiser>(sd_config);
return sd;
}
const SherpaOnnxOnlineRecognizer *SherpaOnnxCreateOnlineRecognizerOHOS(
const SherpaOnnxOnlineRecognizerConfig *config,
NativeResourceManager *mgr) {