WAVFileInfo.h

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#pragma once
 
#include "AudioTools/AudioCodecs/CodecWAV.h"
#include "FS.h"
 
namespace audio_tools {
 
template <typename FileT = File>
class WAVFileInfo {
 public:
  WAVFileInfo() = default;
 
  bool getInfo(FileT file, WAVAudioInfo& info) {
    WAVHeader header;
    uint8_t buffer[MAX_WAV_HEADER_LEN];
    size_t bytesRead = file.read(buffer, MAX_WAV_HEADER_LEN);
    if (bytesRead > 0) {
      header.write(buffer, bytesRead);
      if (header.isDataComplete() && header.parse()) {
        info = header.audioInfo();
        return true;
      }
    }
    return false;
  }
 
  bool updateSize(FileT file, WAVAudioInfo& info) {
    size_t fileSize = file.size();
    info.file_size = fileSize;
    info.data_length = fileSize - 36;  // Assuming standard 44-byte header
    info.is_streamed = false;  // File-based WAV is not streamed
    WAVHeader header;
    if (!header.writeHeader(&file, info)) {
      LOGE("Failed to write updated header with new file size");
      return false;  // write failed
    }
    return true;
  }
 
  bool updateSize(FileT file) {
    if (!file.seek(0)) {
      LOGE("Failed to seek to beginning of file for header read");
      return false;
    }
 
    WAVAudioInfo info;
    if (!getInfo(file, info)) {
      LOGE("Failed to read existing header for size update");
      return false;  // read failed
    }
    if (!file.seek(0)) {
      LOGE("Failed to seek to beginning of file for header rewrite");
      return false;  // seek failed
    }
    return updateSize(file, info);
  }
};
 
}  // namespace audio_tools