Publish sherpa_onnx.har for HarmonyOS (#1572)

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

@@ -8,6 +8,7 @@
 #include <cstring>
 #include <memory>
 #include <string>
+#include <strstream>
 #include <utility>
 #include <vector>
 
@@ -1201,6 +1202,28 @@ const SherpaOnnxWave *SherpaOnnxReadWave(const char *filename) {
   return wave;
 }
 
+const SherpaOnnxWave *SherpaOnnxReadWaveFromBinaryData(const char *data,
+                                                       int32_t n) {
+  int32_t sample_rate = -1;
+  bool is_ok = false;
+
+  std::istrstream is(data, n);
+
+  std::vector<float> samples = sherpa_onnx::ReadWave(is, &sample_rate, &is_ok);
+  if (!is_ok) {
+    return nullptr;
+  }
+
+  float *c_samples = new float[samples.size()];
+  std::copy(samples.begin(), samples.end(), c_samples);
+
+  SherpaOnnxWave *wave = new SherpaOnnxWave;
+  wave->samples = c_samples;
+  wave->sample_rate = sample_rate;
+  wave->num_samples = samples.size();
+  return wave;
+}
+
 void SherpaOnnxFreeWave(const SherpaOnnxWave *wave) {
   if (wave) {
     delete[] wave->samples;

sherpa-onnx/c-api/c-api.h

@@ -1001,6 +1001,14 @@ SHERPA_ONNX_API typedef struct SherpaOnnxWave {
 // SherpaOnnxFreeWave() to free the returned pointer to avoid memory leak.
 SHERPA_ONNX_API const SherpaOnnxWave *SherpaOnnxReadWave(const char *filename);
 
+// Similar to SherpaOnnxReadWave(), it has read the content of `filename`
+// into the array `data`.
+//
+// If the returned pointer is not NULL, the user has to invoke
+// SherpaOnnxFreeWave() to free the returned pointer to avoid memory leak.
+SHERPA_ONNX_API const SherpaOnnxWave *SherpaOnnxReadWaveFromBinaryData(
+    const char *data, int32_t n);
+
 SHERPA_ONNX_API void SherpaOnnxFreeWave(const SherpaOnnxWave *wave);
 
 // ============================================================