add portaudio for reading microphones (#55)

2023-02-22 17:13:07 +08:00
parent 124384369a
commit a65dcf77b3
6 changed files with 293 additions and 0 deletions
--- a/sherpa-onnx/csrc/microphone.cc
+++ b/sherpa-onnx/csrc/microphone.cc
@@ -0,0 +1,30 @@
+// sherpa-onnx/csrc/microphone.cc
+//
+// Copyright (c)  2022-2023  Xiaomi Corporation
+
+#include "sherpa-onnx/csrc/microphone.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "portaudio.h"  // NOLINT
+
+namespace sherpa_onnx {
+
+Microphone::Microphone() {
+  PaError err = Pa_Initialize();
+  if (err != paNoError) {
+    fprintf(stderr, "portaudio error: %s\n", Pa_GetErrorText(err));
+    exit(-1);
+  }
+}
+
+Microphone::~Microphone() {
+  PaError err = Pa_Terminate();
+  if (err != paNoError) {
+    fprintf(stderr, "portaudio error: %s\n", Pa_GetErrorText(err));
+    exit(-1);
+  }
+}
+
+}  // namespace sherpa_onnx