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[rc]: Update intra qp and qscale calculation

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Change-Id: Ic5ddfbb7f034e4cd2abe65cb55192c3386baf3e3
Signed-off-by: sayon.chen <sayon.chen@rock-chips.com>
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
This commit is contained in:
sayon.chen
2021-02-04 10:18:15 +08:00
committed by Herman Chen
parent 81f14330f4
commit dd94fee936
1 changed files with 10 additions and 9 deletions
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19
mpp/codec/rc/rc_model_v2.c
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@@ -1307,22 +1307,23 @@ MPP_RET rc_model_v2_hal_start(void *ctx, EncRcTask *task)
/* setup quality parameters */ /* setup quality parameters */
if (p->first_frm_flg && frm->is_intra) { if (p->first_frm_flg && frm->is_intra) {
RK_S32 i_quality_delta = usr_cfg->i_quality_delta;
if (info->quality_target < 0) { if (info->quality_target < 0) {
if (info->bit_target) { if (info->bit_target) {
p->start_qp = cal_first_i_start_qp(info->bit_target, mb_w * mb_h); info->quality_target = cal_first_i_start_qp(info->bit_target, mb_w * mb_h);
p->cur_scale_qp = p->start_qp << 6;
} else { } else {
mpp_log("init qp not set on fix qp mode, use default qp\n"); mpp_log("init qp not set on fix qp mode, use default qp\n");
info->quality_target = 26; info->quality_target = 26;
p->start_qp = 26;
p->cur_scale_qp = 26 << 6;
} }
} else { }
p->cur_scale_qp = info->quality_target << 6;
if (p->reenc_cnt)
p->cur_scale_qp += p->next_ratio;
p->start_qp = p->cur_scale_qp >> 6; if (p->reenc_cnt) {
p->cur_scale_qp += p->next_ratio;
p->start_qp = (p->cur_scale_qp >> 6) - i_quality_delta;
} else {
p->start_qp = info->quality_target;
p->cur_scale_qp = (info->quality_target + i_quality_delta) << 6;
} }
rc_dbg_rc("qp: start %2d cur_scale %d next_ratio %d reenc %d\n", rc_dbg_rc("qp: start %2d cur_scale %d next_ratio %d reenc %d\n",