update wav_recorder.cpp

core/components/audio/wav_recorder.cpp

@@ -9,14 +9,12 @@ void WavRecorder::writeVoice(string filename, uint32_t sample_rate, uint16_t bit
   WAVHeader wavHeader;
   // logger->info("writeVoice filename:{} {} {} {} {}", filename, sample_rate, bits_per_sample, num_channels, size);
   file.open(filename, ios::out | ios::binary | ios::app);
-
+#if 1
   /**
    * @brief 判断文件大小，文件大小大于等于44字节，说明文件已经存在，不需要写入头部
    */
   file.seekp(0, ios::end);
-  uint32_t filesize = file.tellp();
-
-  if (filesize < 44) {
+  if (file.tellp() < 44) {
     wavHeader.initialize(sample_rate, bits_per_sample, num_channels, 0);
     file.seekp(0, ios::beg);
     file.write((char*)wavHeader.data(), wavHeader.size());
@@ -26,12 +24,18 @@ void WavRecorder::writeVoice(string filename, uint32_t sample_rate, uint16_t bit
   /**
    * @brief 更新头部信息
    */
-  file.seekp(4, ios::beg);
-  uint32_t chunk_size = filesize + size - 8;
-  file.write((char*)&chunk_size, 4);
-  file.seekp(40, ios::beg);
-  uint32_t subchunk2_size = filesize + size - 44;
-  file.write((char*)&subchunk2_size, 4);
+  {
+    file.seekp(0, ios::end);
+    uint32_t filesize = file.tellp();
+
+    file.seekp(4, ios::beg);
+    uint32_t chunk_size = filesize - 8;
+    file.write((char*)&chunk_size, 4);
+    file.seekp(40, ios::beg);
+    uint32_t subchunk2_size = filesize - 44;
+    file.write((char*)&subchunk2_size, 4);
+  }
+#endif
 
   file.close();
 }