/*

 * HEIF codec.

 * Copyright (c) 2026 Dirk Farin <dirk.farin@gmail.com>

 *

 * This file is part of libheif.

 *

 * libheif is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation, either version 3 of

 * the License, or (at your option) any later version.

 *

 * libheif is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with libheif.  If not, see <http://www.gnu.org/licenses/>.

 */

#include "compression.h"

#include "common_utils.h"

uint32_t unci_compression_to_fourcc(heif_unci_compression method)

{

  switch (method) {

    case heif_unci_compression_off:

      return 0;

    case heif_unci_compression_deflate:

      return fourcc("defl");

    case heif_unci_compression_zlib:

      return fourcc("zlib");

    case heif_unci_compression_brotli:

      return fourcc("brot");

    default:

      return 0;

  }

}

Result<std::vector<uint8_t>> compress_unci_fourcc(uint32_t fourcc_code,

                                                   const uint8_t* data, size_t size)

{

  switch (fourcc_code) {

#if HAVE_ZLIB

    case fourcc("defl"):

      return {compress_deflate(data, size)};

    case fourcc("zlib"):

      return {compress_zlib(data, size)};

#endif

#if HAVE_BROTLI

    case fourcc("brot"):

      return {compress_brotli(data, size)};

#endif

    default:

      return Error{heif_error_Unsupported_feature,

                   heif_suberror_Unsupported_generic_compression_method,

                   "Unsupported unci compression method."};

  }

}