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avcodec/vvcdec: sao, refact out tile_edge arrays

This commit is contained in:
Nuo Mi 2024-03-27 21:01:08 +08:00
parent c9e75393ed
commit 0c3018b30a
1 changed files with 14 additions and 22 deletions
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36
libavcodec/vvc/vvc_filter.c
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@ -157,56 +157,48 @@ void ff_vvc_sao_filter(VVCLocalContext *lc, int x, int y)
const int ctb_size_y = fc->ps.sps->ctb_size_y;
static const uint8_t sao_tab[16] = { 0, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8 };
int c_idx;
int edges[4]; // 0 left 1 top 2 right 3 bottom
const int rx = x >> fc->ps.sps->ctb_log2_size_y;
const int ry = y >> fc->ps.sps->ctb_log2_size_y;
int edges[4] = { !rx, !ry, rx == fc->ps.pps->ctb_width - 1, ry == fc->ps.pps->ctb_height - 1 };
const SAOParams *sao = &CTB(fc->tab.sao, rx, ry);
// flags indicating unfilterable edges
uint8_t vert_edge[] = { 0, 0 };
uint8_t horiz_edge[] = { 0, 0 };
uint8_t diag_edge[] = { 0, 0, 0, 0 };
uint8_t tile_edge[] = { 0, 0, 0, 0 };
const uint8_t lfase = fc->ps.pps->r->pps_loop_filter_across_slices_enabled_flag;
const uint8_t no_tile_filter = fc->ps.pps->r->num_tiles_in_pic > 1 &&
!fc->ps.pps->r->pps_loop_filter_across_tiles_enabled_flag;
const uint8_t restore = no_tile_filter || !lfase;
uint8_t left_tile_edge = 0;
uint8_t right_tile_edge = 0;
uint8_t up_tile_edge = 0;
uint8_t bottom_tile_edge = 0;
edges[LEFT] = rx == 0;
edges[TOP] = ry == 0;
edges[RIGHT] = rx == fc->ps.pps->ctb_width - 1;
edges[BOTTOM] = ry == fc->ps.pps->ctb_height - 1;
if (restore) {
if (!edges[LEFT]) {
left_tile_edge = no_tile_filter && fc->ps.pps->ctb_to_col_bd[rx] == rx;
vert_edge[0] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx - 1, ry)) || left_tile_edge;
tile_edge[LEFT] = no_tile_filter && fc->ps.pps->ctb_to_col_bd[rx] == rx;
vert_edge[0] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx - 1, ry)) || tile_edge[LEFT];
}
if (!edges[RIGHT]) {
right_tile_edge = no_tile_filter && fc->ps.pps->ctb_to_col_bd[rx] != fc->ps.pps->ctb_to_col_bd[rx + 1];
vert_edge[1] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx + 1, ry)) || right_tile_edge;
tile_edge[RIGHT] = no_tile_filter && fc->ps.pps->ctb_to_col_bd[rx] != fc->ps.pps->ctb_to_col_bd[rx + 1];
vert_edge[1] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx + 1, ry)) || tile_edge[RIGHT];
}
if (!edges[TOP]) {
up_tile_edge = no_tile_filter && fc->ps.pps->ctb_to_row_bd[ry] == ry;
horiz_edge[0] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx, ry - 1)) || up_tile_edge;
tile_edge[TOP] = no_tile_filter && fc->ps.pps->ctb_to_row_bd[ry] == ry;
horiz_edge[0] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx, ry - 1)) || tile_edge[TOP];
}
if (!edges[BOTTOM]) {
bottom_tile_edge = no_tile_filter && fc->ps.pps->ctb_to_row_bd[ry] != fc->ps.pps->ctb_to_row_bd[ry + 1];
horiz_edge[1] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx, ry + 1)) || bottom_tile_edge;
tile_edge[BOTTOM] = no_tile_filter && fc->ps.pps->ctb_to_row_bd[ry] != fc->ps.pps->ctb_to_row_bd[ry + 1];
horiz_edge[1] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx, ry + 1)) || tile_edge[BOTTOM];
}
if (!edges[LEFT] && !edges[TOP]) {
diag_edge[0] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx - 1, ry - 1)) || left_tile_edge || up_tile_edge;
diag_edge[0] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx - 1, ry - 1)) || tile_edge[LEFT] || tile_edge[TOP];
}
if (!edges[TOP] && !edges[RIGHT]) {
diag_edge[1] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx + 1, ry - 1)) || right_tile_edge || up_tile_edge;
diag_edge[1] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx + 1, ry - 1)) || tile_edge[RIGHT] || tile_edge[TOP];
}
if (!edges[RIGHT] && !edges[BOTTOM]) {
diag_edge[2] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx + 1, ry + 1)) || right_tile_edge || bottom_tile_edge;
diag_edge[2] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx + 1, ry + 1)) || tile_edge[RIGHT] || tile_edge[BOTTOM];
}
if (!edges[LEFT] && !edges[BOTTOM]) {
diag_edge[3] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx - 1, ry + 1)) || left_tile_edge || bottom_tile_edge;
diag_edge[3] = (!lfase && CTB(fc->tab.slice_idx, rx, ry) != CTB(fc->tab.slice_idx, rx - 1, ry + 1)) || tile_edge[LEFT] || tile_edge[BOTTOM];
}
}