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Simplify two ifs in encode_coeff_nxn-avx2

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This commit is contained in:
Pauli Oikkonen 2018-12-05 21:25:08 +02:00
parent 37a2a8bac8
commit 9a5a6fdbc7
1 changed files with 12 additions and 18 deletions
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30
src/strategies/avx2/encode_coding_tree-avx2.c
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@ -308,19 +308,15 @@ void kvz_encode_coeff_nxn_avx2(encoder_state_t * const state,
CABAC_BIN(cabac, symbol, "coeff_abs_level_greater2_flag");
}
}
if (be_valid && sign_hidden) {
coeff_signs = coeff_signs >> 1;
if (!cabac->only_count)
if (encoder->cfg.crypto_features & KVZ_CRYPTO_TRANSF_COEFF_SIGNS) {
coeff_signs = coeff_signs ^ kvz_crypto_get_key(state->crypto_hdl, num_non_zero-1);
}
CABAC_BINS_EP(cabac, coeff_signs , (num_non_zero - 1), "coeff_sign_flag");
} else {
if (!cabac->only_count)
if (encoder->cfg.crypto_features & KVZ_CRYPTO_TRANSF_COEFF_SIGNS)
coeff_signs = coeff_signs ^ kvz_crypto_get_key(state->crypto_hdl, num_non_zero);
CABAC_BINS_EP(cabac, coeff_signs, num_non_zero, "coeff_sign_flag");
int32_t shiftamt = (be_valid && sign_hidden) ? 1 : 0;
int32_t nnz = num_non_zero - shiftamt;
coeff_signs >>= shiftamt;
if (!cabac->only_count) {
if (encoder->cfg.crypto_features & KVZ_CRYPTO_TRANSF_COEFF_SIGNS) {
coeff_signs ^= kvz_crypto_get_key(state->crypto_hdl, nnz);
}
}
CABAC_BINS_EP(cabac, coeff_signs, nnz, "coeff_sign_flag");
if (c1 == 0 || num_non_zero > C1FLAG_NUMBER) {
first_coeff2 = 1;
@ -329,13 +325,11 @@ void kvz_encode_coeff_nxn_avx2(encoder_state_t * const state,
int32_t base_level = (idx < C1FLAG_NUMBER) ? (2 + first_coeff2) : 1;
if (abs_coeff[idx] >= base_level) {
if (!cabac->only_count) {
if (encoder->cfg.crypto_features & KVZ_CRYPTO_TRANSF_COEFFS)
kvz_cabac_write_coeff_remain_encry(state, cabac, abs_coeff[idx] - base_level, go_rice_param, base_level);
else
kvz_cabac_write_coeff_remain(cabac, abs_coeff[idx] - base_level, go_rice_param);
} else
if (!cabac->only_count && (encoder->cfg.crypto_features & KVZ_CRYPTO_TRANSF_COEFFS)) {
kvz_cabac_write_coeff_remain_encry(state, cabac, abs_coeff[idx] - base_level, go_rice_param, base_level);
} else {
kvz_cabac_write_coeff_remain(cabac, abs_coeff[idx] - base_level, go_rice_param);
}
if (abs_coeff[idx] > 3 * (1 << go_rice_param)) {
go_rice_param = MIN(go_rice_param + 1, 4);