WavPackCompressor.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  WavPackCompressor.h
 
  Dmitry Vedenko
 
**********************************************************************/
#pragma once
 
#include <cstdint>
#include <limits>
#include <optional>
#include <vector>
 
#include "CloudSyncDTO.h"
 
class AudacityProject;
 
namespace audacity::cloud::audiocom::sync
{
std::vector<uint8_t> CompressBlock(const LockedBlock& block);
 
struct MinMaxRMS final
{
   float Min { std::numeric_limits<float>::max() };
   float Max { -std::numeric_limits<float>::max() };
   float RMS { 0.0 };
};
 
struct DecompressedBlock final
{
   int64_t BlockId;
   sampleFormat Format;
 
   MinMaxRMS BlockMinMaxRMS;
   std::vector<MinMaxRMS> Summary256;
   std::vector<MinMaxRMS> Summary64k;
   std::vector<uint8_t> Data;
}; // struct DecompressedBlock
 
std::optional<DecompressedBlock> DecompressBlock(
   const void* data, const std::size_t size);
 
} // namespace audacity::cloud::audiocom::sync