Code refactoring (#74)

* Don't reset model state and feature extractor on endpointing

* support passing decoding_method from commandline

* Add modified_beam_search to Python API

* fix C API example

* Fix style issues

sherpa-onnx/c-api/c-api.cc

@@ -9,6 +9,7 @@
 #include <utility>
 #include <vector>
 
+#include "sherpa-onnx/csrc/display.h"
 #include "sherpa-onnx/csrc/online-recognizer.h"
 
 struct SherpaOnnxOnlineRecognizer {
@@ -21,6 +22,10 @@ struct SherpaOnnxOnlineStream {
       : impl(std::move(p)) {}
 };
 
+struct SherpaOnnxDisplay {
+  std::unique_ptr<sherpa_onnx::Display> impl;
+};
+
 SherpaOnnxOnlineRecognizer *CreateOnlineRecognizer(
     const SherpaOnnxOnlineRecognizerConfig *config) {
   sherpa_onnx::OnlineRecognizerConfig recognizer_config;
@@ -37,6 +42,9 @@ SherpaOnnxOnlineRecognizer *CreateOnlineRecognizer(
   recognizer_config.model_config.num_threads = config->model_config.num_threads;
   recognizer_config.model_config.debug = config->model_config.debug;
 
+  recognizer_config.decoding_method = config->decoding_method;
+  recognizer_config.max_active_paths = config->max_active_paths;
+
   recognizer_config.enable_endpoint = config->enable_endpoint;
 
   recognizer_config.endpoint_config.rule1.min_trailing_silence =
@@ -124,3 +132,15 @@ int32_t IsEndpoint(SherpaOnnxOnlineRecognizer *recognizer,
                    SherpaOnnxOnlineStream *stream) {
   return recognizer->impl->IsEndpoint(stream->impl.get());
 }
+
+SherpaOnnxDisplay *CreateDisplay(int32_t max_word_per_line) {
+  SherpaOnnxDisplay *ans = new SherpaOnnxDisplay;
+  ans->impl = std::make_unique<sherpa_onnx::Display>(max_word_per_line);
+  return ans;
+}
+
+void DestroyDisplay(SherpaOnnxDisplay *display) { delete display; }
+
+void SherpaOnnxPrint(SherpaOnnxDisplay *display, int32_t idx, const char *s) {
+  display->impl->Print(idx, s);
+}