/*

 * H.265 video codec.

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

 *

 * This file is part of libde265.

 *

 * libde265 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.

 *

 * libde265 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 libde265.  If not, see <http://www.gnu.org/licenses/>.

 */

#include "fallback-intrapred.h"

#include "intrapred.h"

template <class pixel_t>

void intra_pred_dc_fallback(pixel_t* dst, ptrdiff_t stride, int nT, int cIdx, const pixel_t* border)

{

  intra_prediction_DC<pixel_t>(dst, (int)stride, nT, cIdx, const_cast<pixel_t*>(border));

}

void intra_pred_dc_fallback<unsigned char>(unsigned char*, long, int, int, unsigned char const*)

Line

Count

Source

27

4.30M

{

28

4.30M

  intra_prediction_DC<pixel_t>(dst, (int)stride, nT, cIdx, const_cast<pixel_t*>(border));

29

4.30M

}

void intra_pred_dc_fallback<unsigned short>(unsigned short*, long, int, int, unsigned short const*)

Line

Count

Source

27

145k

{

28

145k

  intra_prediction_DC<pixel_t>(dst, (int)stride, nT, cIdx, const_cast<pixel_t*>(border));

29

145k

}

template <class pixel_t>

void intra_pred_planar_fallback(pixel_t* dst, ptrdiff_t stride, int nT, int cIdx, const pixel_t* border)

{

  intra_prediction_planar<pixel_t>(dst, (int)stride, nT, cIdx, const_cast<pixel_t*>(border));

}

void intra_pred_planar_fallback<unsigned char>(unsigned char*, long, int, int, unsigned char const*)

Line

Count

Source

33

5.21M

{

34

5.21M

  intra_prediction_planar<pixel_t>(dst, (int)stride, nT, cIdx, const_cast<pixel_t*>(border));

35

5.21M

}

void intra_pred_planar_fallback<unsigned short>(unsigned short*, long, int, int, unsigned short const*)

Line

Count

Source

33

296k

{

34

296k

  intra_prediction_planar<pixel_t>(dst, (int)stride, nT, cIdx, const_cast<pixel_t*>(border));

35

296k

}

template <class pixel_t>

void intra_pred_angular_fallback(pixel_t* dst, ptrdiff_t stride, int bit_depth, int disableBoundaryFilter,

                                 int xB0, int yB0, int mode, int nT, int cIdx, const pixel_t* border)

{

  intra_prediction_angular<pixel_t>(dst, (int)stride, bit_depth, (bool)disableBoundaryFilter,

                                    xB0, yB0, (enum IntraPredMode)mode, nT, cIdx,

                                    const_cast<pixel_t*>(border));

}

void intra_pred_angular_fallback<unsigned char>(unsigned char*, long, int, int, int, int, int, int, int, unsigned char const*)

Line

Count

Source

40

6.24M

{

41

6.24M

  intra_prediction_angular<pixel_t>(dst, (int)stride, bit_depth, (bool)disableBoundaryFilter,

42

6.24M

                                    xB0, yB0, (enum IntraPredMode)mode, nT, cIdx,

43

6.24M

                                    const_cast<pixel_t*>(border));

44

6.24M

}

void intra_pred_angular_fallback<unsigned short>(unsigned short*, long, int, int, int, int, int, int, int, unsigned short const*)

Line

Count

Source

40

498k

{

41

498k

  intra_prediction_angular<pixel_t>(dst, (int)stride, bit_depth, (bool)disableBoundaryFilter,

42

498k

                                    xB0, yB0, (enum IntraPredMode)mode, nT, cIdx,

43

498k

                                    const_cast<pixel_t*>(border));

44

498k

}

// explicit instantiations so the symbols can be installed into the acceleration table

template void intra_pred_dc_fallback<uint8_t> (uint8_t*,  ptrdiff_t, int, int, const uint8_t*);

template void intra_pred_dc_fallback<uint16_t>(uint16_t*, ptrdiff_t, int, int, const uint16_t*);

template void intra_pred_planar_fallback<uint8_t> (uint8_t*,  ptrdiff_t, int, int, const uint8_t*);

template void intra_pred_planar_fallback<uint16_t>(uint16_t*, ptrdiff_t, int, int, const uint16_t*);

template void intra_pred_angular_fallback<uint8_t> (uint8_t*,  ptrdiff_t, int, int, int, int, int, int, int, const uint8_t*);

template void intra_pred_angular_fallback<uint16_t>(uint16_t*, ptrdiff_t, int, int, int, int, int, int, int, const uint16_t*);