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[isp] Fix reference building. When ISP was in use, not enough samples were generated. Uninitialized memory was referenced. Fix some typos.

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siivonek 2022-10-12 15:44:09 +03:00
parent a637b44d31
commit 36cda011e0
2 changed files with 40 additions and 19 deletions
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53
src/intra.c
View file

@ -234,7 +234,6 @@ static void intra_filter_reference(
filtered_ref->top[ref_width - 1] = ref->top[ref_width - 1];
}
/**
* \brief Generate dc prediction.
* \param cu_loc CU location and size data.
@ -254,7 +253,7 @@ static void intra_pred_dc(
{
const int width = color == COLOR_Y ? cu_loc->width : cu_loc->chroma_width;
const int height = color == COLOR_Y ? cu_loc->height : cu_loc->chroma_height;
int_fast16_t sum = 0;
// Only one loop is done for non-square blocks.
// In case of non-square blocks, only the longer reference is summed.
@ -1004,6 +1003,8 @@ void uvg_intra_build_reference_any(
const int cu_x = cu_loc->x;
const int cu_y = cu_loc->y;
bool is_first_isp_block = isp_mode ? pu_x == cu_x && pu_y == cu_y : false;
assert((log2_width >= 1 && log2_width <= 5) && (log2_height >= 1 && log2_height <= 5));
refs->filtered_initialized = false;
@ -1071,7 +1072,7 @@ void uvg_intra_build_reference_any(
if (luma_px->x > 0) {
// Get the number of reference pixels based on the PU coordinate within the LCU.
int px_available_left;
if (isp_mode && !is_chroma) {
if (isp_mode && !is_first_isp_block && !is_chroma) {
if (isp_mode == ISP_MODE_VER) {
px_available_left = height;
}
@ -1099,13 +1100,18 @@ void uvg_intra_build_reference_any(
}
// Extend the last pixel for the rest of the reference values.
uvg_pixel nearest_pixel = left_border[(px_available_left - 1) * left_stride];
for (int i = px_available_left; i < cu_height * 2 + multi_ref_index * 2; ++i) {
// If first isp split, take samples as if it were normal square block
int tmp_h = is_first_isp_block ? cu_height * 2 : (isp_mode ? cu_height + height : height * 2);
for (int i = px_available_left; i < tmp_h + multi_ref_index * 2; ++i) {
out_left_ref[i + 1 + multi_ref_index] = nearest_pixel;
}
} else {
// If we are on the left edge, extend the first pixel of the top row.
uvg_pixel nearest_pixel = luma_px->y > 0 ? top_border[0] : dc_val;
for (int i = 0; i < height * 2 + multi_ref_index; i++) {
// If first isp split, take samples as if it were normal square block
int tmp_h = is_first_isp_block ? cu_height * 2 : (isp_mode ? cu_height + height : height * 2);
for (int i = 0; i < tmp_h + multi_ref_index; i++) {
// Reserve space for top left reference
out_left_ref[i + 1 + multi_ref_index] = nearest_pixel;
}
@ -1191,7 +1197,7 @@ void uvg_intra_build_reference_any(
int px_available_top;
if (luma_px->y > 0) {
// Get the number of reference pixels based on the PU coordinate within the LCU.
if (isp_mode && !is_chroma) {
if (isp_mode && !is_first_isp_block && !is_chroma) {
if (isp_mode == ISP_MODE_HOR) {
px_available_top = width;
}
@ -1214,13 +1220,19 @@ void uvg_intra_build_reference_any(
}
// Extend the last pixel for the rest of the reference values.
uvg_pixel nearest_pixel = top_border[px_available_top - 1];
for (int i = px_available_top; i < width * 2 + multi_ref_index * 2; ++i) {
// If first isp split, take samples as if it were normal square block
int tmp_w = is_first_isp_block ? cu_width * 2 : (isp_mode ? cu_width + width : width * 2);
for (int i = px_available_top; i < tmp_w + multi_ref_index * 2; ++i) {
out_top_ref[i + 1 + multi_ref_index] = nearest_pixel;
}
} else {
// Extend nearest pixel.
uvg_pixel nearest_pixel = luma_px->x > 0 ? left_border[0] : dc_val;
for (int i = 0; i < cu_width * 2 + multi_ref_index; i++) {
// If first isp split, take samples as if it were normal square block
int tmp_w = is_first_isp_block ? cu_width * 2 : (isp_mode ? cu_width + width : width * 2);
for (int i = 0; i < tmp_w + multi_ref_index * 2; i++) {
out_top_ref[i + 1] = nearest_pixel;
}
}
@ -1252,6 +1264,8 @@ void uvg_intra_build_reference_inner(
const int cu_x = cu_loc->x;
const int cu_y = cu_loc->y;
bool is_first_isp_block = isp_mode ? pu_x == cu_x && pu_y == cu_y : false;
// Log2_dim 1 is possible with ISP blocks
assert((log2_width >= 1 && log2_width <= 5) && (log2_height >= 1 && log2_height <= 5));
@ -1361,7 +1375,7 @@ void uvg_intra_build_reference_inner(
// Get the number of reference pixels based on the PU coordinate within the LCU.
int px_available_left;
if (isp_mode && !is_chroma) {
if (isp_mode && !is_first_isp_block && !is_chroma) {
if (isp_mode == ISP_MODE_VER) {
px_available_left = height;
}
@ -1406,7 +1420,10 @@ void uvg_intra_build_reference_inner(
// Extend the last pixel for the rest of the reference values.
uvg_pixel nearest_pixel = out_left_ref[i];
for (; i < cu_height * 2; i += 4) {
// If first isp split, take samples as if it were normal square block
int tmp_h = is_first_isp_block ? cu_height * 2 : (isp_mode ? cu_height + height : height * 2);
for (; i < tmp_h; i += 4) {
out_left_ref[i + 1] = nearest_pixel;
out_left_ref[i + 2] = nearest_pixel;
out_left_ref[i + 3] = nearest_pixel;
@ -1424,7 +1441,7 @@ void uvg_intra_build_reference_inner(
// Get the number of reference pixels based on the PU coordinate within the LCU.
int px_available_top;
if (isp_mode && !is_chroma) {
if (isp_mode && !is_first_isp_block && !is_chroma) {
if (isp_mode == ISP_MODE_HOR) {
px_available_top = width;
}
@ -1452,7 +1469,10 @@ void uvg_intra_build_reference_inner(
// Extend the last pixel for the rest of the reference values.
nearest_pixel = out_top_ref[i + multi_ref_index];
for (; i < (cu_width + multi_ref_index) * 2; i += 4) {
// If first isp split, take samples as if it were normal square block
int tmp_w = is_first_isp_block ? cu_width * 2 : (isp_mode ? cu_width + width : width * 2);
for (; i < tmp_w + (multi_ref_index * 2); i += 4) {
out_top_ref[i + 1 + multi_ref_index] = nearest_pixel;
out_top_ref[i + 2 + multi_ref_index] = nearest_pixel;
out_top_ref[i + 3 + multi_ref_index] = nearest_pixel;
@ -1476,14 +1496,14 @@ void uvg_intra_build_reference(
{
assert(!(extra_ref_lines == NULL && multi_ref_idx != 0) && "Trying to use MRL with NULL extra references.");
bool first_split = color == COLOR_Y && isp_mode && pu_loc->x == cu_loc->x && pu_loc->y == cu_loc->y;
uint8_t isp = first_split ? 0 : isp_mode;
//bool first_split = color == COLOR_Y && isp_mode && pu_loc->x == cu_loc->x && pu_loc->y == cu_loc->y;
//uint8_t isp = first_split ? 0 : isp_mode;
// Much logic can be discarded if not on the edge
if (luma_px->x > 0 && luma_px->y > 0) {
uvg_intra_build_reference_inner(pu_loc, cu_loc, color, luma_px, pic_px, lcu, refs, entropy_sync, multi_ref_idx, extra_ref_lines, isp);
uvg_intra_build_reference_inner(pu_loc, cu_loc, color, luma_px, pic_px, lcu, refs, entropy_sync, multi_ref_idx, extra_ref_lines, isp_mode);
} else {
uvg_intra_build_reference_any(pu_loc, cu_loc, color, luma_px, pic_px, lcu, refs, multi_ref_idx, extra_ref_lines, isp);
uvg_intra_build_reference_any(pu_loc, cu_loc, color, luma_px, pic_px, lcu, refs, multi_ref_idx, extra_ref_lines, isp_mode);
}
}
@ -1676,6 +1696,7 @@ static void intra_recon_tb_leaf(
uint8_t isp_mode = color == COLOR_Y ? search_data->pred_cu.intra.isp_mode : 0;
uvg_intra_references refs;
// Extra reference lines for use with MRL. Extra lines needed only for left edge.
uvg_pixel extra_refs[128 * MAX_REF_LINE_IDX] = { 0 };

6
src/strategies/generic/intra-generic.c
View file

@ -141,7 +141,7 @@ static void uvg_angular_pred_generic(
const int cu_dim = MAX(width, height);
const int top_ref_length = isp_mode ? width + cu_dim : width << 1;
const int left_ref_lenght = isp_mode ? height + cu_dim : height << 1;
const int left_ref_length = isp_mode ? height + cu_dim : height << 1;
// Set ref_main and ref_side such that, when indexed with 0, they point to
// index 0 in block coordinates.
@ -159,7 +159,7 @@ static void uvg_angular_pred_generic(
}
else {
memcpy(&temp_above[0], &in_ref_above[0], (top_ref_length + 1 + multi_ref_index) * sizeof(uvg_pixel));
memcpy(&temp_left[0], &in_ref_left[0], (left_ref_lenght + 1 + multi_ref_index) * sizeof(uvg_pixel));
memcpy(&temp_left[0], &in_ref_left[0], (left_ref_length + 1 + multi_ref_index) * sizeof(uvg_pixel));
ref_main = vertical_mode ? temp_above : temp_left;
ref_side = vertical_mode ? temp_left : temp_above;
@ -169,7 +169,7 @@ static void uvg_angular_pred_generic(
const int max_index = (multi_ref_index << s) + 2;
int ref_length;
if (isp_mode) {
ref_length = vertical_mode ? top_ref_length : left_ref_lenght;
ref_length = vertical_mode ? top_ref_length : left_ref_length;
}
else {
ref_length = vertical_mode ? width << 1 : height << 1;