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avcodec/vvcdec: refact out emulated_edge_no_wrap 

prepare for refrence wraparound
This commit is contained in:
Nuo Mi 2024-06-04 20:04:09 +08:00
parent 8abdf0a28e
commit a4013e748a
1 changed files with 61 additions and 30 deletions
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91
libavcodec/vvc/inter.c
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@ -30,46 +30,53 @@
#define PROF_TEMP_OFFSET (MAX_PB_SIZE + 32)
static const int bcw_w_lut[] = {4, 5, 3, 10, -2};
static void subpic_offset(int *x_off, int *y_off,
const VVCSPS *sps, const VVCPPS *pps, const int subpic_idx, const int is_chroma)
typedef struct VVCRect {
int l; // left
int t; // top
int r; // right
int b; // bottom
} VVCRect;
static void subpic_get_rect(VVCRect *r, const VVCFrame *src_frame, const int subpic_idx, const int is_chroma)
{
*x_off -= pps->subpic_x[subpic_idx] >> sps->hshift[is_chroma];
*y_off -= pps->subpic_y[subpic_idx] >> sps->vshift[is_chroma];
const VVCSPS *sps = src_frame->sps;
const VVCPPS *pps = src_frame->pps;
const int hs = sps->hshift[is_chroma];
const int vs = sps->vshift[is_chroma];
r->l = pps->subpic_x[subpic_idx] >> hs;
r->t = pps->subpic_y[subpic_idx] >> vs;
r->r = r->l + (pps->subpic_width[subpic_idx] >> hs);
r->b = r->t + (pps->subpic_height[subpic_idx] >> vs);
}
static void subpic_width_height(int *pic_width, int *pic_height,
const VVCSPS *sps, const VVCPPS *pps, const int subpic_idx, const int is_chroma)
// clip to subblock and subpicture process in 8.5.6.3.2 Luma sample interpolation filtering process
static void clip_to_subpic(int *x_off, int *y_off, int *pic_width, int *pic_height, const VVCRect *subpic, const VVCRect *sb, const int dmvr_clip)
{
*pic_width = pps->subpic_width[subpic_idx] >> sps->hshift[is_chroma];
*pic_height = pps->subpic_height[subpic_idx] >> sps->vshift[is_chroma];
const int l = dmvr_clip ? FFMIN(FFMAX(subpic->l, sb->l), subpic->r - 1) : subpic->l;
const int t = dmvr_clip ? FFMIN(FFMAX(subpic->t, sb->t), subpic->b - 1) : subpic->t;
const int r = dmvr_clip ? FFMAX(FFMIN(subpic->r, sb->r), subpic->l + 1) : subpic->r;
const int b = dmvr_clip ? FFMAX(FFMIN(subpic->b, sb->b), subpic->t + 1) : subpic->b;
*x_off -= l;
*y_off -= t;
*pic_width = r - l;
*pic_height = b - t;
}
static void emulated_edge(const VVCLocalContext *lc, uint8_t *dst,
const uint8_t **src, ptrdiff_t *src_stride, const VVCFrame *src_frame,
int x_sb, int y_sb, int x_off, int y_off, const int block_w, const int block_h,
const int is_chroma, const int extra_before, const int extra_after)
static void emulated_edge_no_wrap(const VVCLocalContext *lc, uint8_t *dst,
const uint8_t **src, ptrdiff_t *src_stride,
int x_off, int y_off, const int block_w, const int block_h,
const int extra_before, const int extra_after,
const VVCRect *subpic, const VVCRect *sb, const int dmvr_clip)
{
const VVCFrameContext *fc = lc->fc;
const VVCSPS *sps = src_frame->sps;
const VVCPPS *pps = src_frame->pps;
const int subpic_idx = lc->sc->sh.r->curr_subpic_idx;
const int extra = extra_before + extra_after;
const int dmvr_clip = x_sb != x_off || y_sb != y_off;
int pic_width, pic_height;
*src += y_off * *src_stride + (x_off * (1 << fc->ps.sps->pixel_shift));
subpic_offset(&x_off, &y_off, sps, pps, subpic_idx, is_chroma);
subpic_offset(&x_sb, &y_sb, sps, pps, subpic_idx, is_chroma);
subpic_width_height(&pic_width, &pic_height, sps, pps, subpic_idx, is_chroma);
if (dmvr_clip) {
const int start_x = FFMIN(FFMAX(x_sb - extra_before, 0), pic_width - 1);
const int start_y = FFMIN(FFMAX(y_sb - extra_before, 0), pic_height - 1);
pic_width = FFMAX(FFMIN(pic_width, x_sb + block_w + extra_after) - start_x, 1);
pic_height = FFMAX(FFMIN(pic_height, y_sb + block_h + extra_after) - start_y, 1);
x_off -= start_x;
y_off -= start_y;
}
clip_to_subpic(&x_off, &y_off, &pic_width, &pic_height, subpic, sb, dmvr_clip);
if (dmvr_clip || x_off < extra_before || y_off < extra_before ||
x_off >= pic_width - block_w - extra_after ||
@ -88,16 +95,32 @@ static void emulated_edge(const VVCLocalContext *lc, uint8_t *dst,
}
}
static void emulated_edge(const VVCLocalContext *lc, uint8_t *dst,
const uint8_t **src, ptrdiff_t *src_stride, const VVCFrame *src_frame,
int x_sb, int y_sb, int x_off, int y_off, int block_w, int block_h, const int wrap_enabled,
const int is_chroma, const int extra_before, const int extra_after)
{
const int subpic_idx = lc->sc->sh.r->curr_subpic_idx;
const int dmvr_clip = x_sb != x_off || y_sb != y_off;
VVCRect sb = { x_sb - extra_before, y_sb - extra_before, x_sb + block_w + extra_after, y_sb + block_h + extra_after };
VVCRect subpic;
subpic_get_rect(&subpic, src_frame, subpic_idx, is_chroma);
return emulated_edge_no_wrap(lc, dst, src, src_stride,
x_off, y_off, block_w, block_h, extra_before, extra_after, &subpic, &sb, dmvr_clip);
}
#define MC_EMULATED_EDGE(dst, src, src_stride, x_off, y_off) \
emulated_edge(lc, dst, src, src_stride, ref, x_off, y_off, x_off, y_off, block_w, block_h, is_chroma, \
emulated_edge(lc, dst, src, src_stride, ref, x_off, y_off, x_off, y_off, block_w, block_h, wrap_enabled, is_chroma, \
is_chroma ? CHROMA_EXTRA_BEFORE : LUMA_EXTRA_BEFORE, is_chroma ? CHROMA_EXTRA_AFTER : LUMA_EXTRA_AFTER)
#define MC_EMULATED_EDGE_DMVR(dst, src, src_stride, x_sb, y_sb, x_off, y_off) \
emulated_edge(lc, dst, src, src_stride, ref, x_sb, y_sb, x_off, y_off, block_w, block_h, is_chroma, \
emulated_edge(lc, dst, src, src_stride, ref, x_sb, y_sb, x_off, y_off, block_w, block_h, wrap_enabled, is_chroma, \
is_chroma ? CHROMA_EXTRA_BEFORE : LUMA_EXTRA_BEFORE, is_chroma ? CHROMA_EXTRA_AFTER : LUMA_EXTRA_AFTER)
#define MC_EMULATED_EDGE_BILINEAR(dst, src, src_stride, x_off, y_off) \
emulated_edge(lc, dst, src, src_stride, ref, x_off, y_off, x_off, y_off, pred_w, pred_h, 0, \
emulated_edge(lc, dst, src, src_stride, ref, x_off, y_off, x_off, y_off, pred_w, pred_h, wrap_enabled, 0, \
BILINEAR_EXTRA_BEFORE, BILINEAR_EXTRA_AFTER)
// part of 8.5.6.6 Weighted sample prediction process
@ -169,6 +192,7 @@ static void mc(VVCLocalContext *lc, int16_t *dst, const VVCFrame *ref, const Mv
const int hpel_if_idx = (is_chroma || pu->merge_gpm_flag) ? 0 : pu->mi.hpel_if_idx;
const int8_t *hf = INTER_FILTER(hpel_if_idx, mx);
const int8_t *vf = INTER_FILTER(hpel_if_idx, my);
const int wrap_enabled = fc->ps.pps->r->pps_ref_wraparound_enabled_flag;
x_off += mv->x >> (4 + hs);
y_off += mv->y >> (4 + vs);
@ -196,6 +220,7 @@ static void mc_uni(VVCLocalContext *lc, uint8_t *dst, const ptrdiff_t dst_stride
const int hpel_if_idx = is_chroma ? 0 : pu->mi.hpel_if_idx;
const int8_t *hf = INTER_FILTER(hpel_if_idx, mx);
const int8_t *vf = INTER_FILTER(hpel_if_idx, my);
const int wrap_enabled = fc->ps.pps->r->pps_ref_wraparound_enabled_flag;
int denom, wx, ox;
x_off += mv->x >> (4 + hs);
@ -239,6 +264,7 @@ static void mc_bi(VVCLocalContext *lc, uint8_t *dst, const ptrdiff_t dst_stride,
const uint8_t *src = ref->frame->data[c_idx];
const int8_t *hf = INTER_FILTER(hpel_if_idx, mx);
const int8_t *vf = INTER_FILTER(hpel_if_idx, my);
const int wrap_enabled = fc->ps.pps->r->pps_ref_wraparound_enabled_flag;
if (pu->dmvr_flag) {
const int x_sb = x_off + (orig_mv->mv[i].x >> (4 + hs));
@ -314,6 +340,7 @@ static void emulated_edge_scaled(VVCLocalContext *lc, const uint8_t **src, ptrdi
const int y_last = SCALED_INT(y + (h - 1) * dy);
const int block_w = x_end - x_off + (x_end == x_last);
const int block_h = *src_height = y_end - y_off + (y_end == y_last);
const int wrap_enabled = 0;
MC_EMULATED_EDGE(lc->edge_emu_buffer, src, src_stride, x_off, y_off);
}
@ -407,6 +434,7 @@ static void luma_prof_uni(VVCLocalContext *lc, uint8_t *dst, const ptrdiff_t dst
const int8_t *vf = ff_vvc_inter_luma_filters[VVC_INTER_LUMA_FILTER_TYPE_AFFINE][my];
int denom, wx, ox;
const int weight_flag = derive_weight_uni(&denom, &wx, &ox, lc, mvf, LUMA);
const int wrap_enabled = fc->ps.pps->r->pps_ref_wraparound_enabled_flag;
const int is_chroma = 0;
x_off += mv->x >> 4;
@ -444,6 +472,7 @@ static void luma_prof(VVCLocalContext *lc, int16_t *dst, const VVCFrame *ref,
const uint8_t *src = ref->frame->data[LUMA];
const int8_t *hf = ff_vvc_inter_luma_filters[VVC_INTER_LUMA_FILTER_TYPE_AFFINE][mx];
const int8_t *vf = ff_vvc_inter_luma_filters[VVC_INTER_LUMA_FILTER_TYPE_AFFINE][my];
const int wrap_enabled = fc->ps.pps->r->pps_ref_wraparound_enabled_flag;
MC_EMULATED_EDGE(lc->edge_emu_buffer, &src, &src_stride, ox, oy);
if (!pu->cb_prof_flag[lx]) {
@ -701,6 +730,8 @@ static void dmvr_mv_refine(VVCLocalContext *lc, MvField *mvf, MvField *orig_mv,
const VVCFrame *ref = refs[i];
ptrdiff_t src_stride = ref->frame->linesize[LUMA];
const uint8_t *src = ref->frame->data[LUMA];
const int wrap_enabled = fc->ps.pps->r->pps_ref_wraparound_enabled_flag;
MC_EMULATED_EDGE_BILINEAR(lc->edge_emu_buffer, &src, &src_stride, ox, oy);
fc->vvcdsp.inter.dmvr[!!my][!!mx](tmp[i], src, src_stride, pred_h, mx, my, pred_w);
}