diff options
Diffstat (limited to 'libavcodec/vvc/dsp.c')
| -rw-r--r-- | libavcodec/vvc/dsp.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/libavcodec/vvc/dsp.c b/libavcodec/vvc/dsp.c new file mode 100644 index 0000000000..41e830a98a --- /dev/null +++ b/libavcodec/vvc/dsp.c @@ -0,0 +1,127 @@ +/* + * VVC DSP + * + * Copyright (C) 2021 Nuo Mi + * + * This file is part of FFmpeg. + * + * FFmpeg 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 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "dsp.h" +#include "ctu.h" +#include "itx_1d.h" + +#define VVC_SIGN(v) (v < 0 ? -1 : !!v) + +static void av_always_inline pad_int16(int16_t *_dst, const ptrdiff_t dst_stride, const int width, const int height) +{ + const int padded_width = width + 2; + int16_t *dst; + for (int y = 0; y < height; y++) { + dst = _dst + y * dst_stride; + for (int x = 0; x < width; x++) { + dst[-1] = dst[0]; + dst[width] = dst[width - 1]; + } + } + + _dst--; + //top + memcpy(_dst - dst_stride, _dst, padded_width * sizeof(int16_t)); + //bottom + _dst += dst_stride * height; + memcpy(_dst, _dst - dst_stride, padded_width * sizeof(int16_t)); +} + +static int vvc_sad(const int16_t *src0, const int16_t *src1, int dx, int dy, + const int block_w, const int block_h) +{ + int sad = 0; + dx -= 2; + dy -= 2; + src0 += (2 + dy) * MAX_PB_SIZE + 2 + dx; + src1 += (2 - dy) * MAX_PB_SIZE + 2 - dx; + for (int y = 0; y < block_h; y += 2) { + for (int x = 0; x < block_w; x++) { + sad += FFABS(src0[x] - src1[x]); + } + src0 += 2 * MAX_PB_SIZE; + src1 += 2 * MAX_PB_SIZE; + } + return sad; +} + +typedef struct IntraEdgeParams { + uint8_t* top; + uint8_t* left; + int filter_flag; + + uint16_t left_array[6 * MAX_TB_SIZE + 5]; + uint16_t filtered_left_array[6 * MAX_TB_SIZE + 5]; + uint16_t top_array[6 * MAX_TB_SIZE + 5]; + uint16_t filtered_top_array[6 * MAX_TB_SIZE + 5]; +} IntraEdgeParams; + +#define PROF_BORDER_EXT 1 +#define PROF_BLOCK_SIZE (AFFINE_MIN_BLOCK_SIZE + PROF_BORDER_EXT * 2) +#define BDOF_BORDER_EXT 1 + +#define BDOF_PADDED_SIZE (16 + BDOF_BORDER_EXT * 2) +#define BDOF_BLOCK_SIZE 4 +#define BDOF_GRADIENT_SIZE (BDOF_BLOCK_SIZE + BDOF_BORDER_EXT * 2) + +#define BIT_DEPTH 8 +#include "dsp_template.c" +#undef BIT_DEPTH + +#define BIT_DEPTH 10 +#include "dsp_template.c" +#undef BIT_DEPTH + +#define BIT_DEPTH 12 +#include "dsp_template.c" +#undef BIT_DEPTH + +void ff_vvc_dsp_init(VVCDSPContext *vvcdsp, int bit_depth) +{ +#undef FUNC +#define FUNC(a, depth) a ## _ ## depth + +#define VVC_DSP(depth) \ + FUNC(ff_vvc_inter_dsp_init, depth)(&vvcdsp->inter); \ + FUNC(ff_vvc_intra_dsp_init, depth)(&vvcdsp->intra); \ + FUNC(ff_vvc_itx_dsp_init, depth)(&vvcdsp->itx); \ + FUNC(ff_vvc_lmcs_dsp_init, depth)(&vvcdsp->lmcs); \ + FUNC(ff_vvc_lf_dsp_init, depth)(&vvcdsp->lf); \ + FUNC(ff_vvc_sao_dsp_init, depth)(&vvcdsp->sao); \ + FUNC(ff_vvc_alf_dsp_init, depth)(&vvcdsp->alf); \ + + switch (bit_depth) { + case 12: + VVC_DSP(12); + break; + case 10: + VVC_DSP(10); + break; + default: + VVC_DSP(8); + break; + } + +#if ARCH_X86 + ff_vvc_dsp_init_x86(vvcdsp, bit_depth); +#endif +} |