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[isp] Fix lfnst constraint checks when ISP is in use. Add some asserts.

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siivonek 2022-09-23 15:41:50 +03:00 committed by Marko Viitanen
parent 701257cdd2
commit b9822398a0
2 changed files with 29 additions and 1 deletions
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27
src/encode_coding_tree.c
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@ -133,10 +133,35 @@ bool uvg_is_lfnst_allowed(
}
bool luma_flag = (depth == 4 && color == COLOR_Y) || (tree_type != UVG_CHROMA_T && depth != 4);
bool chroma_flag = (depth == 4 && color != COLOR_Y) || tree_type != UVG_LUMA_T;
bool non_zero_coeff_non_ts_corner_8x8 = (luma_flag && pred_cu->violates_lfnst_constrained_luma) || (chroma_flag && pred_cu->violates_lfnst_constrained_chroma);
bool non_zero_coeff_non_ts_corner_8x8 = false;
bool last_scan_pos = false;
bool is_tr_skip = false;
int split_num = color == COLOR_Y && isp_mode ? uvg_get_isp_split_num(width, height, isp_mode, false) : 0;
const videoframe_t* const frame = state->tile->frame;
if (split_num) {
// Constraints for ISP split blocks
for (int i = 0; i < split_num; ++i) {
cu_loc_t split_loc;
uvg_get_isp_split_loc(&split_loc, x, y, width, height, i, isp_mode, false);
int local_split_x = split_loc.x;
int local_split_y = split_loc.y;
uvg_get_isp_cu_arr_coords(&local_split_x, &local_split_y);
cu_info_t* split_cu = lcu ? LCU_GET_CU_AT_PX(lcu, local_split_x, local_split_y) :
uvg_cu_array_at_const(frame->cu_array, local_split_x, local_split_y);
if (cbf_is_set(split_cu->cbf, depth, COLOR_Y)) {
non_zero_coeff_non_ts_corner_8x8 |= (luma_flag && split_cu->violates_lfnst_constrained_luma) || (chroma_flag && split_cu->violates_lfnst_constrained_chroma);
//last_scan_pos |= split_cu->lfnst_last_scan_pos;
last_scan_pos |= true;
}
}
} else {
non_zero_coeff_non_ts_corner_8x8 |= (luma_flag && pred_cu->violates_lfnst_constrained_luma) || (chroma_flag && pred_cu->violates_lfnst_constrained_chroma);
last_scan_pos |= pred_cu->lfnst_last_scan_pos;
}
//const int num_pred_units = kvz_part_mode_num_parts[pred_cu->part_size];
const int tr_depth = pred_cu->tr_depth;
assert(depth <= tr_depth && "Depth greater than transform depth. This should never trigger.");

3
src/intra.c
View file

@ -1619,6 +1619,9 @@ int uvg_get_isp_split_num(const int width, const int height, const int split_typ
void uvg_get_isp_split_loc(cu_loc_t *loc, const int x, const int y, const int block_w, const int block_h, int split_idx, const int split_type, const bool is_transform_split)
{
// Check for illegal splits
assert(!(block_w == 4 && block_h == 4) || split_idx == 0 && "Trying to get ISP split CU when split is not allowed.");
assert(!((block_w * block_h) <= 16) || split_idx < 2 && "Split index for small blocks must be in [0, 1]");
assert((split_idx >= 0 && split_idx <= 3) && "ISP split index must be in [0, 3].");
assert((split_type != ISP_MODE_NO_ISP || split_idx == 0) && "Trying to ISP split when split type = NO_ISP.");
int part_dim = block_w;