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avcodec/vvcdec: refact out alf_get_edges

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Nuo Mi 2024-06-16 21:06:54 -04:00
parent 45d0ba8313
commit 98b6b90601
1 changed files with 33 additions and 22 deletions
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31
libavcodec/vvc/filter.c
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@ -1036,21 +1036,14 @@ void ff_vvc_alf_copy_ctu_to_hv(VVCLocalContext* lc, const int x0, const int y0)
}
}
void ff_vvc_alf_filter(VVCLocalContext *lc, const int x0, const int y0)
static void alf_get_edges(const VVCLocalContext *lc, int edges[MAX_EDGES], const int rx, const int ry)
{
VVCFrameContext *fc = lc->fc;
const VVCSPS *sps = fc->ps.sps;
const VVCPPS *pps = fc->ps.pps;
const int rx = x0 >> fc->ps.sps->ctb_log2_size_y;
const int ry = y0 >> fc->ps.sps->ctb_log2_size_y;
const int ctb_size_y = fc->ps.sps->ctb_size_y;
const int ps = fc->ps.sps->pixel_shift;
const int padded_stride = EDGE_EMU_BUFFER_STRIDE << ps;
const int padded_offset = padded_stride * ALF_PADDING_SIZE + (ALF_PADDING_SIZE << ps);
const int c_end = fc->ps.sps->r->sps_chroma_format_idc ? VVC_MAX_SAMPLE_ARRAYS : 1;
const int subpic_idx = lc->sc->sh.r->curr_subpic_idx;
ALFParams *alf = &CTB(fc->tab.alf, rx, ry);
int edges[MAX_EDGES] = { rx == 0, ry == 0, rx == pps->ctb_width - 1, ry == pps->ctb_height - 1 };
// we can't use |= instead of || in this function; |= is not a shortcut operator
if (!pps->r->pps_loop_filter_across_tiles_enabled_flag) {
edges[LEFT] = edges[LEFT] || (lc->boundary_flags & BOUNDARY_LEFT_TILE);
@ -1072,6 +1065,24 @@ void ff_vvc_alf_filter(VVCLocalContext *lc, const int x0, const int y0)
edges[RIGHT] = edges[RIGHT] || fc->ps.sps->r->sps_subpic_ctu_top_left_x[subpic_idx] + fc->ps.sps->r->sps_subpic_width_minus1[subpic_idx] == rx;
edges[BOTTOM] = edges[BOTTOM] || fc->ps.sps->r->sps_subpic_ctu_top_left_y[subpic_idx] + fc->ps.sps->r->sps_subpic_height_minus1[subpic_idx] == ry;
}
}
void ff_vvc_alf_filter(VVCLocalContext *lc, const int x0, const int y0)
{
VVCFrameContext *fc = lc->fc;
const VVCSPS *sps = fc->ps.sps;
const VVCPPS *pps = fc->ps.pps;
const int rx = x0 >> fc->ps.sps->ctb_log2_size_y;
const int ry = y0 >> fc->ps.sps->ctb_log2_size_y;
const int ctb_size_y = fc->ps.sps->ctb_size_y;
const int ps = fc->ps.sps->pixel_shift;
const int padded_stride = EDGE_EMU_BUFFER_STRIDE << ps;
const int padded_offset = padded_stride * ALF_PADDING_SIZE + (ALF_PADDING_SIZE << ps);
const int c_end = sps->r->sps_chroma_format_idc ? VVC_MAX_SAMPLE_ARRAYS : 1;
ALFParams *alf = &CTB(fc->tab.alf, rx, ry);
int edges[MAX_EDGES] = { rx == 0, ry == 0, rx == pps->ctb_width - 1, ry == pps->ctb_height - 1 };
alf_get_edges(lc, edges, rx, ry);
for (int c_idx = 0; c_idx < c_end; c_idx++) {
const int hs = fc->ps.sps->hshift[c_idx];