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[mpi]: change rc mode and quality definition

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Change-Id: I87008d7294acaa89d9206e5b1cd1ce74c40d4af4
Signed-off-by: Lin Kesheng <lks@rock-chips.com>
This commit is contained in:
Lin Kesheng
2017-01-06 18:10:42 +08:00
parent 2dbeb94ee8
commit 422ecbc204
8 changed files with 209 additions and 215 deletions
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74
test/mpi_enc_test.c
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@@ -534,45 +534,26 @@ MPP_RET test_mpp_setup(MpiEncTestData *p)
}
rc_cfg->change = MPP_ENC_RC_CFG_CHANGE_ALL;
/*
* rc_mode - rate control mode
* Mpp balances quality and bit rate by the mode index
* Mpp provide 5 level of balance mode of quality and bit rate
* 1 - only quality mode: only quality parameter takes effect
* 2 - more quality mode: quality parameter takes more effect
* 3 - balance mode : balance quality and bitrate 50 to 50
* 4 - more bitrate mode: bitrate parameter takes more effect
* 5 - only bitrate mode: only bitrate parameter takes effect
*/
rc_cfg->rc_mode = 1;
/*
* quality - quality parameter
* mpp does not give the direct parameter in different protocol.
* mpp provide total 5 quality level 1 ~ 5
* 0 - auto
* 1 - worst
* 2 - worse
* 3 - medium
* 4 - better
* 5 - best
*/
rc_cfg->quality = 0;
rc_cfg->rc_mode = MPP_ENC_RC_MODE_CBR;
rc_cfg->quality = MPP_ENC_RC_QUALITY_MEDIUM;
if (rc_cfg->rc_mode == 1) {
/* constant QP does not have bps */
rc_cfg->bps_target = -1;
rc_cfg->bps_max = -1;
rc_cfg->bps_min = -1;
} else if (rc_cfg->rc_mode == 5) {
if (rc_cfg->rc_mode == MPP_ENC_RC_MODE_CBR) {
/* constant bitrate has very small bps range of 1/16 bps */
rc_cfg->bps_target = p->bps;
rc_cfg->bps_max = p->bps * 17 / 16;
rc_cfg->bps_min = p->bps * 15 / 16;
} else if (rc_cfg->rc_mode == 3) {
/* variable bitrate has large bps range */
rc_cfg->bps_target = p->bps;
rc_cfg->bps_max = p->bps * 17 / 16;
rc_cfg->bps_min = p->bps * 1 / 16;
} else if (rc_cfg->rc_mode == MPP_ENC_RC_MODE_VBR) {
if (rc_cfg->quality == MPP_ENC_RC_QUALITY_CQP) {
/* constant QP does not have bps */
rc_cfg->bps_target = -1;
rc_cfg->bps_max = -1;
rc_cfg->bps_min = -1;
} else {
/* variable bitrate has large bps range */
rc_cfg->bps_target = p->bps;
rc_cfg->bps_max = p->bps * 17 / 16;
rc_cfg->bps_min = p->bps * 1 / 16;
}
}
/* fix input / output frame rate */
@@ -619,22 +600,25 @@ MPP_RET test_mpp_setup(MpiEncTestData *p)
codec_cfg->h264.entropy_coding_mode = 1;
codec_cfg->h264.cabac_init_idc = 0;
if (rc_cfg->rc_mode == 1) {
/* constant QP mode qp is fixed */
p->qp_max = p->qp_init;
p->qp_min = p->qp_init;
p->qp_step = 0;
} else if (rc_cfg->rc_mode == 5) {
if (rc_cfg->rc_mode == MPP_ENC_RC_MODE_CBR) {
/* constant bitrate do not limit qp range */
p->qp_max = 48;
p->qp_min = 4;
p->qp_step = 16;
} else if (rc_cfg->rc_mode == 3) {
/* variable bitrate has qp min limit */
p->qp_max = 40;
p->qp_min = 12;
p->qp_step = 8;
} else if (rc_cfg->rc_mode == MPP_ENC_RC_MODE_VBR) {
if (rc_cfg->quality == MPP_ENC_RC_QUALITY_CQP) {
/* constant QP mode qp is fixed */
p->qp_max = p->qp_init;
p->qp_min = p->qp_init;
p->qp_step = 0;
} else {
/* variable bitrate has qp min limit */
p->qp_max = 40;
p->qp_min = 12;
p->qp_step = 8;
}
}
codec_cfg->h264.qp_max = p->qp_max;
codec_cfg->h264.qp_min = p->qp_min;
codec_cfg->h264.qp_max_step = p->qp_step;