mirror of
https://github.com/ultravideo/uvg266.git
synced 2024-11-27 19:24:06 +00:00
Refactor inter MVD cost functions
Moves duplicate code for writing the MVD of a single motion vector from kvz_get_mvd_coding_cost_cabac and encoder_inter_prediction_unit to a new function.
This commit is contained in:
Arttu Ylä-Outinen
parent
c1cca1ad7f
commit
405b8c1069
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@ -559,122 +559,76 @@ static void encode_inter_prediction_unit(encoder_state_t * const state,
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}
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}
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} else {
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uint32_t ref_list_idx;
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// Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
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if (state->frame->slicetype == KVZ_SLICE_B)
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{
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if (state->frame->slicetype == KVZ_SLICE_B) {
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// Code Inter Dir
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uint8_t inter_dir = cur_cu->inter.mv_dir-1;
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uint8_t ctx = depth;
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if (cur_cu->part_size == SIZE_2Nx2N || (LCU_WIDTH >> depth) != 8)
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{
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cabac->cur_ctx = &(cabac->ctx.inter_dir[ctx]);
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if (cur_cu->part_size == SIZE_2Nx2N || (LCU_WIDTH >> depth) != 8) {
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cabac->cur_ctx = &(cabac->ctx.inter_dir[depth]);
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CABAC_BIN(cabac, (inter_dir == 2), "inter_pred_idc");
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}
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if (inter_dir < 2)
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{
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if (inter_dir < 2) {
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cabac->cur_ctx = &(cabac->ctx.inter_dir[4]);
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CABAC_BIN(cabac, inter_dir, "inter_pred_idc");
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}
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}
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for (ref_list_idx = 0; ref_list_idx < 2; ref_list_idx++) {
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if (cur_cu->inter.mv_dir & (1 << ref_list_idx)) {
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// size of the current reference index list (L0/L1)
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uint8_t ref_LX_size = state->frame->ref_LX_size[ref_list_idx];
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if (ref_LX_size > 1) {
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// parseRefFrmIdx
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int32_t ref_frame = cur_cu->inter.mv_ref[ref_list_idx];
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cabac->cur_ctx = &(cabac->ctx.cu_ref_pic_model[0]);
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CABAC_BIN(cabac, (ref_frame != 0), "ref_idx_lX");
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if (ref_frame > 0) {
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int32_t i;
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int32_t ref_num = ref_LX_size - 2;
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cabac->cur_ctx = &(cabac->ctx.cu_ref_pic_model[1]);
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ref_frame--;
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for (i = 0; i < ref_num; ++i) {
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const uint32_t symbol = (i == ref_frame) ? 0 : 1;
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if (i == 0) {
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CABAC_BIN(cabac, symbol, "ref_idx_lX");
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} else {
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CABAC_BIN_EP(cabac, symbol, "ref_idx_lX");
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}
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if (symbol == 0) break;
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}
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}
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}
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if (!(/*pcCU->getSlice()->getMvdL1ZeroFlag() &&*/ state->frame->ref_list == REF_PIC_LIST_1 && cur_cu->inter.mv_dir == 3)) {
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int16_t mv_cand[2][2];
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kvz_inter_get_mv_cand_cua(
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state,
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x, y, width, height,
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mv_cand, cur_cu, ref_list_idx);
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uint8_t cu_mv_cand = CU_GET_MV_CAND(cur_cu, ref_list_idx);
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const int32_t mvd_hor = cur_cu->inter.mv[ref_list_idx][0] - mv_cand[cu_mv_cand][0];
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const int32_t mvd_ver = cur_cu->inter.mv[ref_list_idx][1] - mv_cand[cu_mv_cand][1];
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const int8_t hor_abs_gr0 = mvd_hor != 0;
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const int8_t ver_abs_gr0 = mvd_ver != 0;
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const uint32_t mvd_hor_abs = abs(mvd_hor);
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const uint32_t mvd_ver_abs = abs(mvd_ver);
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cabac->cur_ctx = &(cabac->ctx.cu_mvd_model[0]);
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CABAC_BIN(cabac, (mvd_hor != 0), "abs_mvd_greater0_flag_hor");
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CABAC_BIN(cabac, (mvd_ver != 0), "abs_mvd_greater0_flag_ver");
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cabac->cur_ctx = &(cabac->ctx.cu_mvd_model[1]);
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if (hor_abs_gr0) {
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CABAC_BIN(cabac, (mvd_hor_abs>1), "abs_mvd_greater1_flag_hor");
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}
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if (ver_abs_gr0) {
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CABAC_BIN(cabac, (mvd_ver_abs>1), "abs_mvd_greater1_flag_ver");
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}
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if (hor_abs_gr0) {
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if (mvd_hor_abs > 1) {
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kvz_cabac_write_ep_ex_golomb(state, cabac, mvd_hor_abs-2, 1);
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}
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uint32_t mvd_hor_sign = (mvd_hor>0)?0:1;
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if(!state->cabac.only_count)
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if (state->encoder_control->cfg.crypto_features & KVZ_CRYPTO_MV_SIGNS)
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mvd_hor_sign = mvd_hor_sign^kvz_crypto_get_key(state->crypto_hdl, 1);
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CABAC_BIN_EP(cabac, mvd_hor_sign, "mvd_sign_flag_hor");
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}
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if (ver_abs_gr0) {
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if (mvd_ver_abs > 1) {
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kvz_cabac_write_ep_ex_golomb(state, cabac, mvd_ver_abs-2, 1);
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}
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uint32_t mvd_ver_sign = (mvd_ver>0)?0:1;
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if(!state->cabac.only_count)
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if (state->encoder_control->cfg.crypto_features & KVZ_CRYPTO_MV_SIGNS)
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mvd_ver_sign = mvd_ver_sign^kvz_crypto_get_key(state->crypto_hdl, 1);
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CABAC_BIN_EP(cabac, mvd_ver_sign, "mvd_sign_flag_ver");
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}
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}
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// Signal which candidate MV to use
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kvz_cabac_write_unary_max_symbol(cabac,
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cabac->ctx.mvp_idx_model,
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CU_GET_MV_CAND(cur_cu, ref_list_idx),
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1,
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AMVP_MAX_NUM_CANDS - 1);
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for (uint32_t ref_list_idx = 0; ref_list_idx < 2; ref_list_idx++) {
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if (!(cur_cu->inter.mv_dir & (1 << ref_list_idx))) {
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continue;
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}
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// size of the current reference index list (L0/L1)
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uint8_t ref_LX_size = state->frame->ref_LX_size[ref_list_idx];
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if (ref_LX_size > 1) {
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// parseRefFrmIdx
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int32_t ref_frame = cur_cu->inter.mv_ref[ref_list_idx];
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cabac->cur_ctx = &(cabac->ctx.cu_ref_pic_model[0]);
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CABAC_BIN(cabac, (ref_frame != 0), "ref_idx_lX");
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if (ref_frame > 0) {
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ref_frame--;
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int32_t ref_num = ref_LX_size - 2;
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for (int32_t i = 0; i < ref_num; ++i) {
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const uint32_t symbol = (i == ref_frame) ? 0 : 1;
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if (i == 0) {
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cabac->cur_ctx = &cabac->ctx.cu_ref_pic_model[1];
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CABAC_BIN(cabac, symbol, "ref_idx_lX");
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} else {
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CABAC_BIN_EP(cabac, symbol, "ref_idx_lX");
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}
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if (symbol == 0) break;
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}
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}
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}
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if (state->frame->ref_list != REF_PIC_LIST_1 || cur_cu->inter.mv_dir != 3) {
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int16_t mv_cand[2][2];
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kvz_inter_get_mv_cand_cua(
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state,
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x, y, width, height,
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mv_cand, cur_cu, ref_list_idx);
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uint8_t cu_mv_cand = CU_GET_MV_CAND(cur_cu, ref_list_idx);
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const int32_t mvd_hor = cur_cu->inter.mv[ref_list_idx][0] - mv_cand[cu_mv_cand][0];
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const int32_t mvd_ver = cur_cu->inter.mv[ref_list_idx][1] - mv_cand[cu_mv_cand][1];
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kvz_encode_mvd(state, cabac, mvd_hor, mvd_ver);
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}
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// Signal which candidate MV to use
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kvz_cabac_write_unary_max_symbol(cabac,
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cabac->ctx.mvp_idx_model,
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CU_GET_MV_CAND(cur_cu, ref_list_idx),
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1,
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AMVP_MAX_NUM_CANDS - 1);
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} // for ref_list
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} // if !merge
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}
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@ -1186,3 +1140,52 @@ void kvz_encode_coding_tree(encoder_state_t * const state,
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exit(1);
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}
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}
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void kvz_encode_mvd(encoder_state_t * const state,
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cabac_data_t *cabac,
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int32_t mvd_hor,
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int32_t mvd_ver)
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{
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const int8_t hor_abs_gr0 = mvd_hor != 0;
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const int8_t ver_abs_gr0 = mvd_ver != 0;
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const uint32_t mvd_hor_abs = abs(mvd_hor);
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const uint32_t mvd_ver_abs = abs(mvd_ver);
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cabac->cur_ctx = &cabac->ctx.cu_mvd_model[0];
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CABAC_BIN(cabac, (mvd_hor != 0), "abs_mvd_greater0_flag_hor");
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CABAC_BIN(cabac, (mvd_ver != 0), "abs_mvd_greater0_flag_ver");
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cabac->cur_ctx = &cabac->ctx.cu_mvd_model[1];
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if (hor_abs_gr0) {
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CABAC_BIN(cabac, (mvd_hor_abs>1), "abs_mvd_greater1_flag_hor");
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}
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if (ver_abs_gr0) {
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CABAC_BIN(cabac, (mvd_ver_abs>1), "abs_mvd_greater1_flag_ver");
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}
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if (hor_abs_gr0) {
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if (mvd_hor_abs > 1) {
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kvz_cabac_write_ep_ex_golomb(state, cabac, mvd_hor_abs - 2, 1);
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}
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uint32_t mvd_hor_sign = (mvd_hor > 0) ? 0 : 1;
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if (!state->cabac.only_count &&
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state->encoder_control->cfg.crypto_features & KVZ_CRYPTO_MV_SIGNS)
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{
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mvd_hor_sign = mvd_hor_sign ^ kvz_crypto_get_key(state->crypto_hdl, 1);
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}
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CABAC_BIN_EP(cabac, mvd_hor_sign, "mvd_sign_flag_hor");
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}
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if (ver_abs_gr0) {
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if (mvd_ver_abs > 1) {
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kvz_cabac_write_ep_ex_golomb(state, cabac, mvd_ver_abs - 2, 1);
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}
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uint32_t mvd_ver_sign = mvd_ver > 0 ? 0 : 1;
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if (!state->cabac.only_count &&
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state->encoder_control->cfg.crypto_features & KVZ_CRYPTO_MV_SIGNS)
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{
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mvd_ver_sign = mvd_ver_sign^kvz_crypto_get_key(state->crypto_hdl, 1);
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}
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CABAC_BIN_EP(cabac, mvd_ver_sign, "mvd_sign_flag_ver");
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}
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}
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@ -42,4 +42,9 @@ void kvz_encode_coeff_nxn(encoder_state_t * const state,
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int8_t scan_mode,
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int8_t tr_skip);
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void kvz_encode_mvd(encoder_state_t * const state,
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cabac_data_t *cabac,
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int32_t mvd_hor,
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int32_t mvd_ver);
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#endif // ENCODE_CODING_TREE_H_
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96
src/rdo.c
96
src/rdo.c
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@ -856,46 +856,19 @@ void kvz_rdoq(encoder_state_t * const state, coeff_t *coef, coeff_t *dest_coeff,
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* Calculate cost of actual motion vectors using CABAC coding
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*/
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uint32_t kvz_get_mvd_coding_cost_cabac(const encoder_state_t *state,
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const cabac_data_t* real_cabac,
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int32_t mvd_hor,
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int32_t mvd_ver)
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const cabac_data_t* cabac,
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const int32_t mvd_hor,
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const int32_t mvd_ver)
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{
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uint32_t bitcost = 0;
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const int8_t hor_abs_gr0 = mvd_hor != 0;
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const int8_t ver_abs_gr0 = mvd_ver != 0;
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const uint32_t mvd_hor_abs = abs(mvd_hor);
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const uint32_t mvd_ver_abs = abs(mvd_ver);
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cabac_data_t cabac_copy = *cabac;
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cabac_copy.only_count = 1;
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cabac_data_t cabac_copy;
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memcpy(&cabac_copy, real_cabac, sizeof(cabac_data_t));
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cabac_data_t *cabac = &cabac_copy;
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cabac->only_count = 1;
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// It is safe to drop const here because cabac->only_count is set.
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kvz_encode_mvd((encoder_state_t*) state, &cabac_copy, mvd_hor, mvd_ver);
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cabac->cur_ctx = &(cabac->ctx.cu_mvd_model[0]);
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CABAC_BIN(cabac, (mvd_hor != 0), "abs_mvd_greater0_flag_hor");
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CABAC_BIN(cabac, (mvd_ver != 0), "abs_mvd_greater0_flag_ver");
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cabac->cur_ctx = &(cabac->ctx.cu_mvd_model[1]);
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if (hor_abs_gr0) {
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CABAC_BIN(cabac, (mvd_hor_abs > 1), "abs_mvd_greater1_flag_hor");
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}
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if (ver_abs_gr0) {
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CABAC_BIN(cabac, (mvd_ver_abs > 1), "abs_mvd_greater1_flag_ver");
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}
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if (hor_abs_gr0) {
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if (mvd_hor_abs > 1) {
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// It is safe to drop const here because cabac->only_count is set.
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kvz_cabac_write_ep_ex_golomb((encoder_state_t*)state, cabac, mvd_hor_abs - 2, 1);
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}
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CABAC_BIN_EP(cabac, (mvd_hor > 0) ? 0 : 1, "mvd_sign_flag_hor");
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}
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if (ver_abs_gr0) {
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if (mvd_ver_abs > 1) {
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// It is safe to drop const here because cabac->only_count is set.
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kvz_cabac_write_ep_ex_golomb((encoder_state_t*)state, cabac, mvd_ver_abs - 2, 1);
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}
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CABAC_BIN_EP(cabac, (mvd_ver > 0) ? 0 : 1, "mvd_sign_flag_ver");
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}
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bitcost = ((23 - cabac->bits_left) + (cabac->num_buffered_bytes << 3)) - ((23 - real_cabac->bits_left) + (real_cabac->num_buffered_bytes << 3));
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uint32_t bitcost =
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((23 - cabac_copy.bits_left) + (cabac_copy.num_buffered_bytes << 3)) -
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((23 - cabac->bits_left) + (cabac->num_buffered_bytes << 3));
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return bitcost;
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}
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@ -1031,51 +1004,18 @@ uint32_t kvz_calc_mvd_cost_cabac(const encoder_state_t * state,
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// ToDo: Bidir vector support
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if (!(state->frame->ref_list == REF_PIC_LIST_1 && /*cur_cu->inter.mv_dir == 3*/ 0)) {
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const int32_t mvd_hor = mvd.x;
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const int32_t mvd_ver = mvd.y;
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const int8_t hor_abs_gr0 = mvd_hor != 0;
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const int8_t ver_abs_gr0 = mvd_ver != 0;
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const uint32_t mvd_hor_abs = abs(mvd_hor);
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const uint32_t mvd_ver_abs = abs(mvd_ver);
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cabac->cur_ctx = &(cabac->ctx.cu_mvd_model[0]);
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CABAC_BIN(cabac, (mvd_hor != 0), "abs_mvd_greater0_flag_hor");
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CABAC_BIN(cabac, (mvd_ver != 0), "abs_mvd_greater0_flag_ver");
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cabac->cur_ctx = &(cabac->ctx.cu_mvd_model[1]);
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if (hor_abs_gr0) {
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CABAC_BIN(cabac, (mvd_hor_abs > 1), "abs_mvd_greater1_flag_hor");
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}
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if (ver_abs_gr0) {
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CABAC_BIN(cabac, (mvd_ver_abs > 1), "abs_mvd_greater1_flag_ver");
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}
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if (hor_abs_gr0) {
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if (mvd_hor_abs > 1) {
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// It is safe to drop const because cabac->only_count is set.
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kvz_cabac_write_ep_ex_golomb((encoder_state_t*)state, cabac, mvd_hor_abs - 2, 1);
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}
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CABAC_BIN_EP(cabac, (mvd_hor > 0) ? 0 : 1, "mvd_sign_flag_hor");
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}
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if (ver_abs_gr0) {
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if (mvd_ver_abs > 1) {
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// It is safe to drop const because cabac->only_count is set.
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kvz_cabac_write_ep_ex_golomb((encoder_state_t*)state, cabac, mvd_ver_abs - 2, 1);
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}
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CABAC_BIN_EP(cabac, (mvd_ver > 0) ? 0 : 1, "mvd_sign_flag_ver");
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}
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// It is safe to drop const here because cabac->only_count is set.
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kvz_encode_mvd((encoder_state_t*) state, cabac, mvd.x, mvd.y);
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}
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// Signal which candidate MV to use
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kvz_cabac_write_unary_max_symbol(cabac, cabac->ctx.mvp_idx_model, cur_mv_cand, 1,
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AMVP_MAX_NUM_CANDS - 1);
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kvz_cabac_write_unary_max_symbol(
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cabac,
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cabac->ctx.mvp_idx_model,
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cur_mv_cand,
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1,
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AMVP_MAX_NUM_CANDS - 1);
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}
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}
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}
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