mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
0c46641784
This allows vp9dsp.h to only include the VP9 types header, and not the decoder skeleton interface which is for hardware decoders (dxva2/vaapi).
137 lines
5.4 KiB
C
137 lines
5.4 KiB
C
/*
|
|
* VP9 compatible video decoder
|
|
*
|
|
* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
|
|
* Copyright (C) 2013 Clément Bœsch <u pkh me>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef AVCODEC_VP9DSP_H
|
|
#define AVCODEC_VP9DSP_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "libavcodec/vp9.h"
|
|
|
|
typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
|
|
const uint8_t *ref, ptrdiff_t ref_stride,
|
|
int h, int mx, int my);
|
|
typedef void (*vp9_scaled_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
|
|
const uint8_t *ref, ptrdiff_t ref_stride,
|
|
int h, int mx, int my, int dx, int dy);
|
|
|
|
typedef struct VP9DSPContext {
|
|
/*
|
|
* dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32
|
|
* dimension 2: intra prediction modes
|
|
*
|
|
* dst/left/top is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
|
|
* stride is aligned by 16 pixels
|
|
* top[-1] is top/left; top[4,7] is top-right for 4x4
|
|
*/
|
|
// FIXME(rbultje) maybe replace left/top pointers with HAVE_TOP/
|
|
// HAVE_LEFT/HAVE_TOPRIGHT flags instead, and then handle it in-place?
|
|
// also needs to fit in with what H.264/VP8/etc do
|
|
void (*intra_pred[N_TXFM_SIZES][N_INTRA_PRED_MODES])(uint8_t *dst,
|
|
ptrdiff_t stride,
|
|
const uint8_t *left,
|
|
const uint8_t *top);
|
|
|
|
/*
|
|
* dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32, 4=lossless (3-4=dct only)
|
|
* dimension 2: 0=dct/dct, 1=dct/adst, 2=adst/dct, 3=adst/adst
|
|
*
|
|
* dst is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
|
|
* stride is aligned by 16 pixels
|
|
* block is 16-byte aligned
|
|
* eob indicates the position (+1) of the last non-zero coefficient,
|
|
* in scan-order. This can be used to write faster versions, e.g. a
|
|
* dc-only 4x4/8x8/16x16/32x32, or a 4x4-only (eob<10) 8x8/16x16/32x32,
|
|
* etc.
|
|
*/
|
|
// FIXME also write idct_add_block() versions for whole (inter) pred
|
|
// blocks, so we can do 2 4x4s at once
|
|
void (*itxfm_add[N_TXFM_SIZES + 1][N_TXFM_TYPES])(uint8_t *dst,
|
|
ptrdiff_t stride,
|
|
int16_t *block, int eob);
|
|
|
|
/*
|
|
* dimension 1: width of filter (0=4, 1=8, 2=16)
|
|
* dimension 2: 0=col-edge filter (h), 1=row-edge filter (v)
|
|
*
|
|
* dst/stride are aligned by 8
|
|
*/
|
|
void (*loop_filter_8[3][2])(uint8_t *dst, ptrdiff_t stride,
|
|
int mb_lim, int lim, int hev_thr);
|
|
|
|
/*
|
|
* dimension 1: 0=col-edge filter (h), 1=row-edge filter (v)
|
|
*
|
|
* The width of filter is assumed to be 16; dst/stride are aligned by 16
|
|
*/
|
|
void (*loop_filter_16[2])(uint8_t *dst, ptrdiff_t stride,
|
|
int mb_lim, int lim, int hev_thr);
|
|
|
|
/*
|
|
* dimension 1/2: width of filter (0=4, 1=8) for each filter half
|
|
* dimension 3: 0=col-edge filter (h), 1=row-edge filter (v)
|
|
*
|
|
* dst/stride are aligned by operation size
|
|
* this basically calls loop_filter[d1][d3][0](), followed by
|
|
* loop_filter[d2][d3][0]() on the next 8 pixels
|
|
* mb_lim/lim/hev_thr contain two values in the lowest two bytes of the
|
|
* integer.
|
|
*/
|
|
// FIXME perhaps a mix4 that operates on 32px (for AVX2)
|
|
void (*loop_filter_mix2[2][2][2])(uint8_t *dst, ptrdiff_t stride,
|
|
int mb_lim, int lim, int hev_thr);
|
|
|
|
/*
|
|
* dimension 1: hsize (0: 64, 1: 32, 2: 16, 3: 8, 4: 4)
|
|
* dimension 2: filter type (0: smooth, 1: regular, 2: sharp, 3: bilin)
|
|
* dimension 3: averaging type (0: put, 1: avg)
|
|
* dimension 4: x subpel interpolation (0: none, 1: 8tap/bilin)
|
|
* dimension 5: y subpel interpolation (0: none, 1: 8tap/bilin)
|
|
*
|
|
* dst/stride are aligned by hsize
|
|
*/
|
|
vp9_mc_func mc[5][N_FILTERS][2][2][2];
|
|
|
|
/*
|
|
* for scalable MC, first 3 dimensions identical to above, the other two
|
|
* don't exist since it changes per stepsize.
|
|
*/
|
|
vp9_scaled_mc_func smc[5][N_FILTERS][2];
|
|
} VP9DSPContext;
|
|
|
|
extern const int16_t ff_vp9_subpel_filters[3][16][8];
|
|
|
|
void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact);
|
|
|
|
void ff_vp9dsp_init_8(VP9DSPContext *dsp);
|
|
void ff_vp9dsp_init_10(VP9DSPContext *dsp);
|
|
void ff_vp9dsp_init_12(VP9DSPContext *dsp);
|
|
|
|
void ff_vp9dsp_init_aarch64(VP9DSPContext *dsp, int bpp);
|
|
void ff_vp9dsp_init_arm(VP9DSPContext *dsp, int bpp);
|
|
void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact);
|
|
void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp);
|
|
|
|
#endif /* AVCODEC_VP9DSP_H */
|