offline-speaker-diarization.cc
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// sherpa-onnx/csrc/offline-speaker-diarization.cc
//
// Copyright (c) 2024 Xiaomi Corporation
#include "sherpa-onnx/csrc/offline-speaker-diarization.h"
#include <string>
#include <utility>
#if __ANDROID_API__ >= 9
#include "android/asset_manager.h"
#include "android/asset_manager_jni.h"
#endif
#if __OHOS__
#include "rawfile/raw_file_manager.h"
#endif
#include "sherpa-onnx/csrc/offline-speaker-diarization-impl.h"
namespace sherpa_onnx {
void OfflineSpeakerDiarizationConfig::Register(ParseOptions *po) {
ParseOptions po_segmentation("segmentation", po);
segmentation.Register(&po_segmentation);
ParseOptions po_embedding("embedding", po);
embedding.Register(&po_embedding);
ParseOptions po_clustering("clustering", po);
clustering.Register(&po_clustering);
po->Register("min-duration-on", &min_duration_on,
"if a segment is less than this value, then it is discarded. "
"Set it to 0 so that no segment is discarded");
po->Register("min-duration-off", &min_duration_off,
"if the gap between to segments of the same speaker is less "
"than this value, then these two segments are merged into a "
"single segment. We do it recursively.");
}
bool OfflineSpeakerDiarizationConfig::Validate() const {
if (!segmentation.Validate()) {
return false;
}
if (!embedding.Validate()) {
return false;
}
if (!clustering.Validate()) {
return false;
}
if (min_duration_on < 0) {
SHERPA_ONNX_LOGE("min_duration_on %.3f is negative", min_duration_on);
return false;
}
if (min_duration_off < 0) {
SHERPA_ONNX_LOGE("min_duration_off %.3f is negative", min_duration_off);
return false;
}
return true;
}
std::string OfflineSpeakerDiarizationConfig::ToString() const {
std::ostringstream os;
os << "OfflineSpeakerDiarizationConfig(";
os << "segmentation=" << segmentation.ToString() << ", ";
os << "embedding=" << embedding.ToString() << ", ";
os << "clustering=" << clustering.ToString() << ", ";
os << "min_duration_on=" << min_duration_on << ", ";
os << "min_duration_off=" << min_duration_off << ")";
return os.str();
}
OfflineSpeakerDiarization::OfflineSpeakerDiarization(
const OfflineSpeakerDiarizationConfig &config)
: impl_(OfflineSpeakerDiarizationImpl::Create(config)) {}
template <typename Manager>
OfflineSpeakerDiarization::OfflineSpeakerDiarization(
Manager *mgr, const OfflineSpeakerDiarizationConfig &config)
: impl_(OfflineSpeakerDiarizationImpl::Create(mgr, config)) {}
OfflineSpeakerDiarization::~OfflineSpeakerDiarization() = default;
int32_t OfflineSpeakerDiarization::SampleRate() const {
return impl_->SampleRate();
}
void OfflineSpeakerDiarization::SetConfig(
const OfflineSpeakerDiarizationConfig &config) {
impl_->SetConfig(config);
}
OfflineSpeakerDiarizationResult OfflineSpeakerDiarization::Process(
const float *audio, int32_t n,
OfflineSpeakerDiarizationProgressCallback callback /*= nullptr*/,
void *callback_arg /*= nullptr*/) const {
return impl_->Process(audio, n, std::move(callback), callback_arg);
}
#if __ANDROID_API__ >= 9
template OfflineSpeakerDiarization::OfflineSpeakerDiarization(
AAssetManager *mgr, const OfflineSpeakerDiarizationConfig &config);
#endif
#if __OHOS__
template OfflineSpeakerDiarization::OfflineSpeakerDiarization(
NativeResourceManager *mgr, const OfflineSpeakerDiarizationConfig &config);
#endif
} // namespace sherpa_onnx