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Diffstat (limited to '')
| -rw-r--r-- | media/ffvpx/libavcodec/vp8dsp.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/vp8dsp.h b/media/ffvpx/libavcodec/vp8dsp.h new file mode 100644 index 0000000000..16b5e9c35b --- /dev/null +++ b/media/ffvpx/libavcodec/vp8dsp.h @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2010 David Conrad + * Copyright (C) 2010 Ronald S. Bultje + * + * 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 + */ + +/** + * @file + * VP8 compatible video decoder + */ + +#ifndef AVCODEC_VP8DSP_H +#define AVCODEC_VP8DSP_H + +#include <stddef.h> +#include <stdint.h> + +typedef void (*vp8_mc_func)(uint8_t *dst /* align 8 */, ptrdiff_t dstStride, + const uint8_t *src /* align 1 */, ptrdiff_t srcStride, + int h, int x, int y); + +typedef struct VP8DSPContext { + void (*vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16]); + void (*vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16]); + void (*vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride); + void (*vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride); + void (*vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16], + ptrdiff_t stride); + void (*vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16], + ptrdiff_t stride); + + // loop filter applied to edges between macroblocks + void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + + // loop filter applied to inner macroblock edges + void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, + ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, + ptrdiff_t stride, + int flim_E, int flim_I, int hev_thresh); + + void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim); + void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim); + + /** + * first dimension: 4-log2(width) + * second dimension: 0 if no vertical interpolation is needed; + * 1 4-tap vertical interpolation filter (my & 1) + * 2 6-tap vertical interpolation filter (!(my & 1)) + * third dimension: same as second dimension, for horizontal interpolation + * so something like put_vp8_epel_pixels_tab[4-log2(width)][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my) + */ + vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]; + vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]; +} VP8DSPContext; + +void ff_vp7dsp_init(VP8DSPContext *c); + +void ff_vp78dsp_init(VP8DSPContext *c); +void ff_vp78dsp_init_aarch64(VP8DSPContext *c); +void ff_vp78dsp_init_arm(VP8DSPContext *c); +void ff_vp78dsp_init_ppc(VP8DSPContext *c); +void ff_vp78dsp_init_x86(VP8DSPContext *c); + +void ff_vp8dsp_init(VP8DSPContext *c); +void ff_vp8dsp_init_aarch64(VP8DSPContext *c); +void ff_vp8dsp_init_arm(VP8DSPContext *c); +void ff_vp8dsp_init_x86(VP8DSPContext *c); +void ff_vp8dsp_init_mips(VP8DSPContext *c); +void ff_vp8dsp_init_loongarch(VP8DSPContext *c); + +#define IS_VP7 1 +#define IS_VP8 0 + +#endif /* AVCODEC_VP8DSP_H */ |