Add test

src/cpp/piper.cpp

@@ -283,7 +283,16 @@ void loadModel(std::string modelPath, ModelSession &session) {
   session.options.DisableProfiling();
 
   auto startTime = std::chrono::steady_clock::now();
-  session.onnx = Ort::Session(session.env, modelPath.c_str(), session.options);
+
+#ifdef _WIN32
+  auto modelPathW = std::wstring(modelPath.begin(), modelPath.end());
+  auto modelPathStr = modelPathW.c_str();
+#else
+  auto modelPathStr = modelPath.c_str();
+#endif
+
+  session.onnx = Ort::Session(session.env, modelPathStr, session.options);
+
   auto endTime = std::chrono::steady_clock::now();
   spdlog::debug("Loaded onnx model in {} second(s)",
                 std::chrono::duration<double>(endTime - startTime).count());
@@ -473,7 +482,7 @@ void textToAudio(PiperConfig &config, Voice &voice, std::string text,
       // DEBUG log for phonemes
       std::string phonemesStr;
       for (auto phoneme : sentencePhonemes) {
-        utf8::append(phoneme, phonemesStr);
+        utf8::append(phoneme, &phonemesStr);
       }
 
       spdlog::debug("Converting {} phoneme(s) to ids: {}",
@@ -587,7 +596,7 @@ void textToAudio(PiperConfig &config, Voice &voice, std::string text,
 
     for (auto phonemeCount : missingPhonemes) {
       std::string phonemeStr;
-      utf8::append(phonemeCount.first, phonemeStr);
+      utf8::append(phonemeCount.first, &phonemeStr);
       spdlog::warn("Missing \"{}\" (\\u{:04X}): {} time(s)", phonemeStr,
                    (uint32_t)phonemeCount.first, phonemeCount.second);
     }

src/cpp/piper.hpp

@@ -9,9 +9,9 @@
 #include <vector>
 
 #include <onnxruntime_cxx_api.h>
-#include <phoneme_ids.hpp>
-#include <phonemize.hpp>
-#include <tashkeel.hpp>
+#include <piper-phonemize/phoneme_ids.hpp>
+#include <piper-phonemize/phonemize.hpp>
+#include <piper-phonemize/tashkeel.hpp>
 
 #include "json.hpp"
 

src/cpp/test.cpp

@@ -0,0 +1,58 @@
+#include <fstream>
+#include <functional>
+#include <iostream>
+#include <optional>
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+#include "json.hpp"
+#include "piper.hpp"
+
+using namespace std;
+using json = nlohmann::json;
+
+int main(int argc, char *argv[]) {
+  piper::PiperConfig piperConfig;
+  piper::Voice voice;
+
+  if (argc < 2) {
+    std::cerr << "Need voice model path" << std::endl;
+    return 1;
+  }
+
+  if (argc < 3) {
+    std::cerr << "Need espeak-ng-data path" << std::endl;
+    return 1;
+  }
+
+  if (argc < 4) {
+    std::cerr << "Need output WAV path" << std::endl;
+    return 1;
+  }
+
+  auto modelPath = std::string(argv[1]);
+  piperConfig.eSpeakDataPath = std::string(argv[2]);
+  auto outputPath = std::string(argv[3]);
+
+  optional<piper::SpeakerId> speakerId;
+  loadVoice(piperConfig, modelPath, modelPath + ".json", voice, speakerId);
+  piper::initialize(piperConfig);
+
+  // Output audio to WAV file
+  ofstream audioFile(outputPath, ios::binary);
+
+  piper::SynthesisResult result;
+  piper::textToWavFile(piperConfig, voice, "This is a test.", audioFile, result);
+  piper::terminate(piperConfig);
+
+  // Verify that file has some data
+  if (audioFile.tellp() < 10000) {
+    std::cerr << "ERROR: Output file is smaller than expected!" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  std::cout << "OK" << std::endl;
+
+  return EXIT_SUCCESS;
+}