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Fix intra_chroma_pred_mode and cbf contexts

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This commit is contained in:
Marko Viitanen 2019-03-26 09:10:09 +02:00
parent d15f58517f
commit 3bdc8ac8d3
5 changed files with 19 additions and 65 deletions
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6
src/cabac.h
View file

@ -59,11 +59,11 @@ typedef struct
cabac_ctx_t bt_split_flag_model[12]; //!< \brief bt split flag context models
cabac_ctx_t intra_mode_model; //!< \brief intra mode context models
cabac_ctx_t intra_subpart_model[2]; //!< \brief intra sub part context models
cabac_ctx_t chroma_pred_model[12];
cabac_ctx_t chroma_pred_model[3];
cabac_ctx_t inter_dir[5];
cabac_ctx_t trans_subdiv_model[3]; //!< \brief intra mode context models
cabac_ctx_t qt_cbf_model_luma[5];
cabac_ctx_t qt_cbf_model_cr[5];
cabac_ctx_t qt_cbf_model_luma[4];
cabac_ctx_t qt_cbf_model_cr[2];
cabac_ctx_t qt_cbf_model_cb[5];
cabac_ctx_t cu_qp_delta_abs[4];
cabac_ctx_t part_size_model[4];

27
src/context.c
View file

@ -117,10 +117,10 @@ static const uint8_t INIT_INTRA_SUBPART_MODE[3][2] = {
{ 152, 154, },
};
static const uint8_t INIT_CHROMA_PRED_MODE[3][12] = {
{ 139, 152, 139, 154, 154, 154, 154, 154, 154, 154, 154, 154, },
{ 139, 152, 139, 154, 154, 154, 154, 154, 154, 154, 154, 154, },
{ 139, 63, 139, 154, 154, 154, 154, 154, 154, 154, 154, 154, },
static const uint8_t INIT_CHROMA_PRED_MODE[3][3] = {
{ 137, 139, 140,},
{ 138, 139, 169,},
{ 154, 139, 154,},
};
static const uint8_t INIT_INTER_DIR[3][5] = {
@ -136,9 +136,9 @@ static const uint8_t INIT_TRANS_SUBDIV_FLAG[3][3] = {
};
static const uint8_t INIT_QT_CBF[3][15] = {
{ 153, 111, CNU, CNU, CNU, 149, 92, 167, 154, 154, 149, 149, CNU, CNU, CNU },
{ 153, 111, CNU, CNU, CNU, 149, 107, 167, 154, 154, 149, 149, CNU, CNU, CNU },
{ 111, 141, CNU, CNU, CNU, 94, 138, 182, 154, 154, 94, 94, CNU, CNU, CNU },
{ 141, 127, 139, 140, 163, 154, CNU, CNU, CNU, 161, 154,},
{ 142, 127, 139, 140, 164, 154, CNU, CNU, CNU, 192, 154,},
{ CNU, 111, 124, 111, 109, CNU, CNU, CNU, CNU, 151, 155,},
};
static const uint8_t INIT_CU_QP_DELTA_ABS[3][2] = {
@ -320,7 +320,7 @@ void kvz_init_contexts(encoder_state_t *state, int8_t QP, int8_t slice)
kvz_ctx_init(&cabac->ctx.intra_mode_model, QP, INIT_INTRA_PRED_MODE[slice]);
for (i = 0; i < 12; i++) {
for (i = 0; i < 3; i++) {
kvz_ctx_init(&cabac->ctx.chroma_pred_model[i], QP, INIT_CHROMA_PRED_MODE[slice][i]);
}
@ -338,7 +338,7 @@ void kvz_init_contexts(encoder_state_t *state, int8_t QP, int8_t slice)
kvz_ctx_init(&cabac->ctx.cu_qp_delta_abs[1], QP, INIT_CU_QP_DELTA_ABS[slice][1]);
for (i = 0; i < 4; i++) {
kvz_ctx_init(&cabac->ctx.qt_cbf_model_luma[i], QP, INIT_QT_CBF[slice][i]);
kvz_ctx_init(&cabac->ctx.part_size_model[i], QP, INIT_PART_SIZE[slice][i]);
}
for (i = 0; i < 8; i++) {
@ -347,13 +347,14 @@ void kvz_init_contexts(encoder_state_t *state, int8_t QP, int8_t slice)
for (i = 0; i < 3; i++) {
kvz_ctx_init(&cabac->ctx.trans_subdiv_model[i], QP, INIT_TRANS_SUBDIV_FLAG[slice][i]);
}
for (i = 0; i < 5; i++) {
kvz_ctx_init(&cabac->ctx.qt_cbf_model_luma[i], QP, INIT_QT_CBF[slice][i]);
kvz_ctx_init(&cabac->ctx.qt_cbf_model_cb[i], QP, INIT_QT_CBF[slice][i + 5]);
kvz_ctx_init(&cabac->ctx.qt_cbf_model_cr[i], QP, INIT_QT_CBF[slice][i + 10]);
for (i = 0; i < 2; i++) {
kvz_ctx_init(&cabac->ctx.qt_cbf_model_cr[i], QP, INIT_QT_CBF[slice][i + 9]);
}
for (i = 0; i < 5; i++) {
kvz_ctx_init(&cabac->ctx.qt_cbf_model_cb[i], QP, INIT_QT_CBF[slice][i + 4]);
kvz_ctx_init(&cabac->ctx.inter_dir[i], QP, INIT_INTER_DIR[slice][i]);
}

2
src/encode_coding_tree.c
View file

@ -1127,7 +1127,7 @@ static void encode_intra_coding_unit(encoder_state_t * const state,
* Table 9-37 - Assignment of ctxInc to syntax elements with context coded bins
* intra_chroma_pred_mode[][] = 0, bypass, bypass
*/
cabac->cur_ctx = &(cabac->ctx.chroma_pred_model[1]);
cabac->cur_ctx = &(cabac->ctx.chroma_pred_model[0]);
if (pred_mode == 68) {
CABAC_BIN(cabac, 0, "intra_chroma_pred_mode");
} else {

47
src/intra.c
View file

@ -141,53 +141,6 @@ int8_t kvz_intra_get_dir_luma_predictor(
return 1;
}
#if KVZ_SEL_ENCRYPTION
int8_t kvz_intra_get_dir_luma_predictor_encry(
const uint32_t x,
const uint32_t y,
int8_t *preds,
const cu_info_t *const cur_pu,
const cu_info_t *const left_pu,
const cu_info_t *const above_pu)
{
// The default mode if block is not coded yet is INTRA_DC.
int8_t left_intra_dir = 1;
if (left_pu && left_pu->type == CU_INTRA) {
left_intra_dir = left_pu->intra.mode_encry ;
}
int8_t above_intra_dir = 1;
if (above_pu && above_pu->type == CU_INTRA && y % LCU_WIDTH != 0) {
above_intra_dir = above_pu->intra.mode_encry;
}
// If the predictions are the same, add new predictions
if (left_intra_dir == above_intra_dir) {
if (left_intra_dir > 1) { // angular modes
preds[0] = left_intra_dir;
preds[1] = ((left_intra_dir + 29) % 32) + 2;
preds[2] = ((left_intra_dir - 1 ) % 32) + 2;
} else { //non-angular
preds[0] = 0;//PLANAR_IDX;
preds[1] = 1;//DC_IDX;
preds[2] = 26;//VER_IDX;
}
} else { // If we have two distinct predictions
preds[0] = left_intra_dir;
preds[1] = above_intra_dir;
// add planar mode if it's not yet present
if (left_intra_dir && above_intra_dir ) {
preds[2] = 0; // PLANAR_IDX;
} else { // Add DC mode if it's not present, otherwise 26.
preds[2] = (left_intra_dir+above_intra_dir)<2? 26 : 1;
}
}
return 1;
}
#endif
static void intra_filter_reference(
int_fast8_t log2_width,
kvz_intra_references *refs)

2
src/search_intra.c
View file

@ -810,7 +810,7 @@ void kvz_search_cu_intra(encoder_state_t * const state,
kvz_intra_references refs;
int8_t candidate_modes[3];
int8_t candidate_modes[INTRA_MPM_COUNT];
cu_info_t *left_cu = 0;
cu_info_t *above_cu = 0;