Add runtime support for wespeaker models (#516)

sherpa-onnx/csrc/speaker-embedding-extractor.cc

@@ -0,0 +1,74 @@
+// sherpa-onnx/csrc/speaker-embedding-extractor.cc
+//
+// Copyright (c)  2023  Xiaomi Corporation
+
+#include "sherpa-onnx/csrc/speaker-embedding-extractor.h"
+
+#include <vector>
+
+#include "sherpa-onnx/csrc/file-utils.h"
+#include "sherpa-onnx/csrc/macros.h"
+#include "sherpa-onnx/csrc/speaker-embedding-extractor-impl.h"
+
+namespace sherpa_onnx {
+
+void SpeakerEmbeddingExtractorConfig::Register(ParseOptions *po) {
+  po->Register("model", &model, "Path to the speaker embedding model.");
+  po->Register("num-threads", &num_threads,
+               "Number of threads to run the neural network");
+
+  po->Register("debug", &debug,
+               "true to print model information while loading it.");
+
+  po->Register("provider", &provider,
+               "Specify a provider to use: cpu, cuda, coreml");
+}
+
+bool SpeakerEmbeddingExtractorConfig::Validate() const {
+  if (model.empty()) {
+    SHERPA_ONNX_LOGE("Please provide --speaker-embedding-model");
+    return false;
+  }
+
+  if (!FileExists(model)) {
+    SHERPA_ONNX_LOGE("--speaker-embedding-model: %s does not exist",
+                     model.c_str());
+    return false;
+  }
+
+  return true;
+}
+
+std::string SpeakerEmbeddingExtractorConfig::ToString() const {
+  std::ostringstream os;
+
+  os << "SpeakerEmbeddingExtractorConfig(";
+  os << "model=\"" << model << "\", ";
+  os << "num_threads=" << num_threads << ", ";
+  os << "debug=" << (debug ? "True" : "False") << ", ";
+  os << "provider=\"" << provider << "\")";
+
+  return os.str();
+}
+
+SpeakerEmbeddingExtractor::SpeakerEmbeddingExtractor(
+    const SpeakerEmbeddingExtractorConfig &config)
+    : impl_(SpeakerEmbeddingExtractorImpl::Create(config)) {}
+
+SpeakerEmbeddingExtractor::~SpeakerEmbeddingExtractor() = default;
+
+int32_t SpeakerEmbeddingExtractor::Dim() const { return impl_->Dim(); }
+
+std::unique_ptr<OnlineStream> SpeakerEmbeddingExtractor::CreateStream() const {
+  return impl_->CreateStream();
+}
+
+bool SpeakerEmbeddingExtractor::IsReady(OnlineStream *s) const {
+  return impl_->IsReady(s);
+}
+
+std::vector<float> SpeakerEmbeddingExtractor::Compute(OnlineStream *s) const {
+  return impl_->Compute(s);
+}
+
+}  // namespace sherpa_onnx