time_warp_map.h

// SPDX-FileCopyrightText: © 2026 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include <vector>
 
#include "utils/units.h"
 
namespace zrythm::dsp
{

struct WarpAnchor
{
  units::sample_t source_frame;
  units::sample_t output_frame;
};

struct TimeWarpMap
{
  std::vector<WarpAnchor> anchors;

  units::sample_t source_length{};

  units::sample_t output_length{};

  [[nodiscard]] bool is_valid () const noexcept;
};

[[nodiscard]] bool
is_sample_space_identity (
  std::span<const WarpAnchor> anchors,
  units::sample_t             tolerance = units::samples (2));
 
} // namespace zrythm::dsp