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libs: encoder: h264/h265: keep min_qp as is unless it's over init_qp

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Creates new variable for QP for I frame and keep it at configuration and
use this for pic_init_qp and slice_qp_delta setting.

Since changing min qp doesn't make sense, keep min qp as is.

https://bugzilla.gnome.org/show_bug.cgi?id=785923
This commit is contained in:
Hyunjun Ko 2017-09-13 12:15:57 +09:00 committed by Víctor Manuel Jáquez Leal
parent e7c099b957
commit 5796750604
2 changed files with 11 additions and 10 deletions
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11
gst-libs/gst/vaapi/gstvaapiencoder_h264.c
View file

@ -708,6 +708,7 @@ struct _GstVaapiEncoderH264
guint32 idr_period;
guint32 init_qp;
guint32 min_qp;
guint32 qp_i;
guint32 num_slices;
guint32 num_bframes;
guint32 mb_width;
@ -2003,7 +2004,7 @@ fill_picture (GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture,
pic_param->seq_parameter_set_id = encoder->view_idx ? 1 : 0;
pic_param->last_picture = 0; /* means last encoding picture */
pic_param->frame_num = picture->frame_num;
pic_param->pic_init_qp = encoder->init_qp;
pic_param->pic_init_qp = encoder->qp_i;
pic_param->num_ref_idx_l0_active_minus1 =
(ref_pool->max_reflist0_count ? (ref_pool->max_reflist0_count - 1) : 0);
pic_param->num_ref_idx_l1_active_minus1 =
@ -2152,9 +2153,10 @@ add_slice_headers (GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture,
sizeof (slice_param->chroma_offset_l1));
slice_param->cabac_init_idc = 0;
slice_param->slice_qp_delta = encoder->init_qp - encoder->min_qp;
slice_param->slice_qp_delta = encoder->qp_i - encoder->init_qp;
if (slice_param->slice_qp_delta > 4)
slice_param->slice_qp_delta = 4;
slice_param->disable_deblocking_filter_idc = 0;
slice_param->slice_alpha_c0_offset_div2 = 2;
slice_param->slice_beta_offset_div2 = 2;
@ -2535,10 +2537,9 @@ reset_properties (GstVaapiEncoderH264 * encoder)
if (encoder->idr_period > MAX_IDR_PERIOD)
encoder->idr_period = MAX_IDR_PERIOD;
if (encoder->min_qp > encoder->init_qp ||
(GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CQP &&
encoder->min_qp < encoder->init_qp))
if (encoder->min_qp > encoder->init_qp)
encoder->min_qp = encoder->init_qp;
encoder->qp_i = encoder->init_qp;
mb_size = encoder->mb_width * encoder->mb_height;
g_assert (gst_vaapi_encoder_ensure_num_slices (base_encoder, encoder->profile,

10
gst-libs/gst/vaapi/gstvaapiencoder_h265.c
View file

@ -99,6 +99,7 @@ struct _GstVaapiEncoderH265
guint32 idr_period;
guint32 init_qp;
guint32 min_qp;
guint32 qp_i;
guint32 num_slices;
guint32 num_bframes;
guint32 ctu_width; /* CTU == Coding Tree Unit */
@ -1594,7 +1595,7 @@ fill_picture (GstVaapiEncoderH265 * encoder, GstVaapiEncPicture * picture,
pic_param->collocated_ref_pic_index = 0xFF;
pic_param->last_picture = 0;
pic_param->pic_init_qp = encoder->init_qp;
pic_param->pic_init_qp = encoder->qp_i;
pic_param->num_ref_idx_l0_default_active_minus1 =
(ref_pool->max_reflist0_count ? (ref_pool->max_reflist0_count - 1) : 0);
pic_param->num_ref_idx_l1_default_active_minus1 =
@ -1721,7 +1722,7 @@ add_slice_headers (GstVaapiEncoderH265 * encoder, GstVaapiEncPicture * picture,
}
slice_param->max_num_merge_cand = 5; /* MaxNumMergeCand */
slice_param->slice_qp_delta = encoder->init_qp - encoder->min_qp;
slice_param->slice_qp_delta = encoder->qp_i - encoder->init_qp;
slice_param->slice_fields.bits.
slice_loop_filter_across_slices_enabled_flag = TRUE;
@ -2006,10 +2007,9 @@ reset_properties (GstVaapiEncoderH265 * encoder)
if (encoder->idr_period > MAX_IDR_PERIOD)
encoder->idr_period = MAX_IDR_PERIOD;
if (encoder->min_qp > encoder->init_qp ||
(GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CQP &&
encoder->min_qp < encoder->init_qp))
if (encoder->min_qp > encoder->init_qp)
encoder->min_qp = encoder->init_qp;
encoder->qp_i = encoder->init_qp;
ctu_size = encoder->ctu_width * encoder->ctu_height;
g_assert (gst_vaapi_encoder_ensure_num_slices (base_encoder, encoder->profile,