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Move 4x4 chroma tu info to bottom right cu when intra is split into 4x4

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This commit is contained in:
Joose Sainio 2022-04-21 09:46:54 +03:00
parent b413aa5c43
commit 0381d7d779
4 changed files with 23 additions and 20 deletions
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14
src/encode_coding_tree.c
View file

@ -352,8 +352,8 @@ void kvz_encode_last_significant_xy(cabac_data_t * const cabac,
}
static void encode_chroma_tu(encoder_state_t* const state, int x, int y, int depth, const uint8_t width_c, const cu_info_t* cur_pu, int8_t* scan_idx, lcu_coeff_t* coeff, uint8_t joint_chroma) {
int x_local = (x >> 1) % LCU_WIDTH_C;
int y_local = (y >> 1) % LCU_WIDTH_C;
int x_local = ((x & ~7) >> 1) % LCU_WIDTH_C;
int y_local = ((y & ~7) >> 1) % LCU_WIDTH_C;
cabac_data_t* const cabac = &state->cabac;
*scan_idx = kvz_get_scan_order(cur_pu->type, cur_pu->intra.mode_chroma, depth);
if(!joint_chroma){
@ -367,7 +367,7 @@ static void encode_chroma_tu(encoder_state_t* const state, int x, int y, int dep
// TODO: transform skip for chroma blocks
CABAC_BIN(cabac, 0, "transform_skip_flag");
}
kvz_encode_coeff_nxn(state, &state->cabac, coeff_u, width_c, 1, *scan_idx, NULL, false);
kvz_encode_coeff_nxn(state, &state->cabac, coeff_u, width_c, COLOR_U, *scan_idx, NULL, false);
}
if (cbf_is_set(cur_pu->cbf, depth, COLOR_V)) {
@ -375,7 +375,7 @@ static void encode_chroma_tu(encoder_state_t* const state, int x, int y, int dep
cabac->cur_ctx = &cabac->ctx.transform_skip_model_chroma;
CABAC_BIN(cabac, 0, "transform_skip_flag");
}
kvz_encode_coeff_nxn(state, &state->cabac, coeff_v, width_c, 2, *scan_idx, NULL, false);
kvz_encode_coeff_nxn(state, &state->cabac, coeff_v, width_c, COLOR_V, *scan_idx, NULL, false);
}
}
else {
@ -384,7 +384,7 @@ static void encode_chroma_tu(encoder_state_t* const state, int x, int y, int dep
cabac->cur_ctx = &cabac->ctx.transform_skip_model_chroma;
CABAC_BIN(cabac, 0, "transform_skip_flag");
}
kvz_encode_coeff_nxn(state, &state->cabac, coeff_uv, width_c, 2, *scan_idx, NULL, false);
kvz_encode_coeff_nxn(state, &state->cabac, coeff_uv, width_c, COLOR_V, *scan_idx, NULL, false);
}
}
@ -444,8 +444,6 @@ static void encode_transform_unit(encoder_state_t * const state,
} else {
// Time to to code the chroma transform blocks. Move to the top-left
// corner of the block.
x -= 4;
y -= 4;
cur_pu = kvz_cu_array_at_const((const cu_array_t *)frame->cu_array, x, y);
}
}
@ -485,7 +483,7 @@ static void encode_transform_coeff(encoder_state_t * const state,
// containing CU.
const int x_cu = 8 * (x / 8);
const int y_cu = 8 * (y / 8);
const cu_info_t *cur_cu = kvz_cu_array_at_const(frame->cu_array, x_cu, y_cu);
const cu_info_t *cur_cu = kvz_cu_array_at_const(frame->cu_array, x, y);
// NxN signifies implicit transform split at the first transform level.
// There is a similar implicit split for inter, but it is only used when

5
src/intra.c
View file

@ -1534,6 +1534,11 @@ void kvz_intra_recon_cu(
}
const int8_t mode_luma = search_data->pred_cu.intra.mode;
const int8_t mode_chroma= search_data->pred_cu.intra.mode_chroma;
if(mode_chroma != -1 && mode_luma == -1) {
x &= ~7;
y &= ~7;
}
if (mode_luma != -1 && mode_chroma != -1) {
if (search_data->pred_cu.intra.mip_flag) {

22
src/search.c
View file

@ -608,7 +608,7 @@ void kvz_select_jccr_mode(
{
const vector2d_t lcu_px = { (SUB_SCU(x_px) & ~7) / 2, (SUB_SCU(y_px) & ~7) / 2 };
const int width = (depth < MAX_DEPTH) ? LCU_WIDTH >> (depth + 1) : LCU_WIDTH >> depth;
if (pred_cu == NULL) pred_cu = LCU_GET_CU_AT_PX(lcu, lcu_px.x * 2, lcu_px.y * 2);
if (pred_cu == NULL) pred_cu = LCU_GET_CU_AT_PX(lcu, SUB_SCU(x_px), SUB_SCU(y_px));
assert(pred_cu->depth == pred_cu->tr_depth && "jccr does not support transform splitting");
if (cost_out == NULL && pred_cu->joint_cb_cr == 0) {
return;
@ -650,23 +650,23 @@ void kvz_select_jccr_mode(
cbf_mask = pred_cu->joint_cb_cr - 1;
CABAC_FBITS_UPDATE(cabac, &(cabac->ctx.joint_cb_cr[cbf_mask]), 1, joint_cbcr_tr_tree_bits, "jccr_flag");
}
int ssd = 0;
int joint_ssd = 0;
unsigned ssd = 0;
unsigned joint_ssd = 0;
if (!state->encoder_control->cfg.lossless) {
int index = lcu_px.y * LCU_WIDTH_C + lcu_px.x;
int ssd_u = kvz_pixels_calc_ssd(&lcu->ref.u[index], &lcu->rec.u[index],
const int index = lcu_px.y * LCU_WIDTH_C + lcu_px.x;
const unsigned ssd_u = kvz_pixels_calc_ssd(&lcu->ref.u[index], &lcu->rec.u[index],
LCU_WIDTH_C, LCU_WIDTH_C,
width);
int ssd_v = kvz_pixels_calc_ssd(&lcu->ref.v[index], &lcu->rec.v[index],
const unsigned ssd_v = kvz_pixels_calc_ssd(&lcu->ref.v[index], &lcu->rec.v[index],
LCU_WIDTH_C, LCU_WIDTH_C,
width);
ssd = ssd_u + ssd_v;
if (pred_cu->joint_cb_cr) {
int ssd_u_joint = kvz_pixels_calc_ssd(&lcu->ref.u[index], &lcu->rec.joint_u[index],
const unsigned ssd_u_joint = kvz_pixels_calc_ssd(&lcu->ref.u[index], &lcu->rec.joint_u[index],
LCU_WIDTH_C, LCU_WIDTH_C,
width);
int ssd_v_joint = kvz_pixels_calc_ssd(&lcu->ref.v[index], &lcu->rec.joint_v[index],
const unsigned ssd_v_joint = kvz_pixels_calc_ssd(&lcu->ref.v[index], &lcu->rec.joint_v[index],
LCU_WIDTH_C, LCU_WIDTH_C,
width);
joint_ssd = ssd_u_joint + ssd_v_joint;
@ -1009,13 +1009,13 @@ static double search_cu(encoder_state_t * const state, int x, int y, int depth,
}
intra_search.pred_cu.intra.mode = -1; // skip luma
kvz_intra_recon_cu(state,
x & ~7, y & ~7, // TODO: as does this
x, y, // TODO: as does this
depth, &intra_search,
NULL,
lcu);
if(depth != 0 && state->encoder_control->cfg.jccr && ctrl->cfg.rdo < 3) {
kvz_select_jccr_mode(state,
x & ~7, y & ~7,
x, y,
depth,
NULL,
lcu,
@ -1074,7 +1074,7 @@ static double search_cu(encoder_state_t * const state, int x, int y, int depth,
false);
if (cur_cu->depth == cur_cu->tr_depth && state->encoder_control->cfg.jccr && cur_cu->joint_cb_cr) {
kvz_select_jccr_mode(state,
x & ~7, y & ~7,
x, y,
depth,
NULL,
lcu,

2
src/search_intra.c
View file

@ -367,7 +367,7 @@ static double search_intra_trdepth(
pred_cu->intra.mode_chroma = chroma_mode;
pred_cu->joint_cb_cr= 4; // TODO: Maybe check the jccr mode here also but holy shit is the interface of search_intra_rdo bad currently
kvz_intra_recon_cu(state,
x_px & ~7, y_px & ~7,
x_px, y_px,
depth, search_data,
pred_cu,
lcu);