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nvenc: Add qp-{min,max,const}-{i,p,b} properties

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This new properties allows more detailed target QP value setting
This commit is contained in:
Seungha Yang 2019-09-03 19:46:09 +09:00
parent d3a909ccdd
commit 83a1c7a9a6
2 changed files with 170 additions and 0 deletions
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161
sys/nvcodec/gstnvbaseenc.c
View file

@ -164,6 +164,15 @@ enum
PROP_STRICT_GOP,
PROP_CONST_QUALITY,
PROP_I_ADAPT,
PROP_QP_MIN_I,
PROP_QP_MIN_P,
PROP_QP_MIN_B,
PROP_QP_MAX_I,
PROP_QP_MAX_P,
PROP_QP_MAX_B,
PROP_QP_CONST_I,
PROP_QP_CONST_P,
PROP_QP_CONST_B,
};
#define DEFAULT_PRESET GST_NV_PRESET_DEFAULT
@ -181,6 +190,7 @@ enum
#define DEFAULT_STRICT_GOP FALSE
#define DEFAULT_CONST_QUALITY 0
#define DEFAULT_I_ADAPT FALSE
#define DEFAULT_QP_DETAIL -1
/* This lock is needed to prevent the situation where multiple encoders are
* initialised at the same time which appears to cause excessive CPU usage over
@ -357,6 +367,78 @@ gst_nv_base_enc_class_init (GstNvBaseEncClass * klass)
DEFAULT_I_ADAPT,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MIN_I,
g_param_spec_int ("qp-min-i", "QP Min I",
"Minimum QP value for I frame, When >= 0, \"qp-min-p\" and "
"\"qp-min-b\" should be also >= 0. Overwritten by \"qp-min\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MIN_P,
g_param_spec_int ("qp-min-p", "QP Min P",
"Minimum QP value for P frame, When >= 0, \"qp-min-i\" and "
"\"qp-min-b\" should be also >= 0. Overwritten by \"qp-min\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MIN_B,
g_param_spec_int ("qp-min-b", "QP Min B",
"Minimum QP value for B frame, When >= 0, \"qp-min-i\" and "
"\"qp-min-p\" should be also >= 0. Overwritten by \"qp-min\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MAX_I,
g_param_spec_int ("qp-max-i", "QP Max I",
"Maximum QP value for I frame, When >= 0, \"qp-max-p\" and "
"\"qp-max-b\" should be also >= 0. Overwritten by \"qp-max\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MAX_P,
g_param_spec_int ("qp-max-p", "QP Max P",
"Maximum QP value for P frame, When >= 0, \"qp-max-i\" and "
"\"qp-max-b\" should be also >= 0. Overwritten by \"qp-max\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_MAX_B,
g_param_spec_int ("qp-max-b", "QP Max B",
"Maximum QP value for B frame, When >= 0, \"qp-max-i\" and "
"\"qp-max-p\" should be also >= 0. Overwritten by \"qp-max\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_CONST_I,
g_param_spec_int ("qp-const-i", "QP Const I",
"Constant QP value for I frame, When >= 0, \"qp-const-p\" and "
"\"qp-const-b\" should be also >= 0. Overwritten by \"qp-const\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_CONST_P,
g_param_spec_int ("qp-const-p", "QP Const P",
"Constant QP value for P frame, When >= 0, \"qp-const-i\" and "
"\"qp-const-b\" should be also >= 0. Overwritten by \"qp-const\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_QP_CONST_B,
g_param_spec_int ("qp-const-b", "QP Const B",
"Constant QP value for B frame, When >= 0, \"qp-const-i\" and "
"\"qp-const-p\" should be also >= 0. Overwritten by \"qp-const\""
" (-1 = from NVENC preset)", -1, 51,
DEFAULT_QP_DETAIL,
G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
G_PARAM_STATIC_STRINGS));
}
static gboolean
@ -777,6 +859,8 @@ static void
gst_nv_base_enc_init (GstNvBaseEnc * nvenc)
{
GstVideoEncoder *encoder = GST_VIDEO_ENCODER (nvenc);
GstNvEncQP qp_detail =
{ DEFAULT_QP_DETAIL, DEFAULT_QP_DETAIL, DEFAULT_QP_DETAIL };
nvenc->preset_enum = DEFAULT_PRESET;
nvenc->selected_preset = _nv_preset_to_guid (nvenc->preset_enum);
@ -794,6 +878,9 @@ gst_nv_base_enc_init (GstNvBaseEnc * nvenc)
nvenc->strict_gop = DEFAULT_STRICT_GOP;
nvenc->const_quality = DEFAULT_CONST_QUALITY;
nvenc->i_adapt = DEFAULT_I_ADAPT;
nvenc->qp_min_detail = qp_detail;
nvenc->qp_max_detail = qp_detail;
nvenc->qp_const_detail = qp_detail;
GST_VIDEO_ENCODER_STREAM_LOCK (encoder);
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
@ -1188,6 +1275,12 @@ _get_frame_data_height (GstVideoInfo * info)
return ret;
}
static gboolean
qp_has_values (const GstNvEncQP * qp)
{
return qp->qp_i >= 0 && qp->qp_p >= 0 && qp->qp_b >= 0;
}
static void
gst_nv_base_enc_setup_rate_control (GstNvBaseEnc * nvenc,
NV_ENC_RC_PARAMS * rc_params)
@ -1217,6 +1310,11 @@ gst_nv_base_enc_setup_rate_control (GstNvBaseEnc * nvenc,
rc_params->minQP.qpInterB = nvenc->qp_min;
rc_params->minQP.qpInterP = nvenc->qp_min;
rc_params->minQP.qpIntra = nvenc->qp_min;
} else if (qp_has_values (&nvenc->qp_min_detail)) {
rc_params->enableMinQP = 1;
rc_params->minQP.qpInterB = nvenc->qp_min_detail.qp_b;
rc_params->minQP.qpInterP = nvenc->qp_min_detail.qp_p;
rc_params->minQP.qpIntra = nvenc->qp_min_detail.qp_i;
}
if (nvenc->qp_max >= 0) {
@ -1224,12 +1322,21 @@ gst_nv_base_enc_setup_rate_control (GstNvBaseEnc * nvenc,
rc_params->maxQP.qpInterB = nvenc->qp_max;
rc_params->maxQP.qpInterP = nvenc->qp_max;
rc_params->maxQP.qpIntra = nvenc->qp_max;
} else if (qp_has_values (&nvenc->qp_max_detail)) {
rc_params->enableMaxQP = 1;
rc_params->maxQP.qpInterB = nvenc->qp_max_detail.qp_b;
rc_params->maxQP.qpInterP = nvenc->qp_max_detail.qp_p;
rc_params->maxQP.qpIntra = nvenc->qp_max_detail.qp_i;
}
if (nvenc->qp_const >= 0) {
rc_params->constQP.qpInterB = nvenc->qp_const;
rc_params->constQP.qpInterP = nvenc->qp_const;
rc_params->constQP.qpIntra = nvenc->qp_const;
} else if (qp_has_values (&nvenc->qp_const_detail)) {
rc_params->constQP.qpInterB = nvenc->qp_const_detail.qp_b;
rc_params->constQP.qpInterP = nvenc->qp_const_detail.qp_p;
rc_params->constQP.qpIntra = nvenc->qp_const_detail.qp_i;
}
nv_rcmode = _rc_mode_to_nv (rc_mode);
@ -2290,6 +2397,33 @@ gst_nv_base_enc_set_property (GObject * object, guint prop_id,
case PROP_I_ADAPT:
nvenc->i_adapt = g_value_get_boolean (value);
break;
case PROP_QP_MIN_I:
nvenc->qp_min_detail.qp_i = g_value_get_int (value);
break;
case PROP_QP_MIN_P:
nvenc->qp_min_detail.qp_p = g_value_get_int (value);
break;
case PROP_QP_MIN_B:
nvenc->qp_min_detail.qp_b = g_value_get_int (value);
break;
case PROP_QP_MAX_I:
nvenc->qp_max_detail.qp_i = g_value_get_int (value);
break;
case PROP_QP_MAX_P:
nvenc->qp_max_detail.qp_p = g_value_get_int (value);
break;
case PROP_QP_MAX_B:
nvenc->qp_max_detail.qp_b = g_value_get_int (value);
break;
case PROP_QP_CONST_I:
nvenc->qp_const_detail.qp_i = g_value_get_int (value);
break;
case PROP_QP_CONST_P:
nvenc->qp_const_detail.qp_p = g_value_get_int (value);
break;
case PROP_QP_CONST_B:
nvenc->qp_const_detail.qp_b = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
reconfig = FALSE;
@ -2356,6 +2490,33 @@ gst_nv_base_enc_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_I_ADAPT:
g_value_set_boolean (value, nvenc->i_adapt);
break;
case PROP_QP_MIN_I:
g_value_set_int (value, nvenc->qp_min_detail.qp_i);
break;
case PROP_QP_MIN_P:
g_value_set_int (value, nvenc->qp_min_detail.qp_p);
break;
case PROP_QP_MIN_B:
g_value_set_int (value, nvenc->qp_min_detail.qp_b);
break;
case PROP_QP_MAX_I:
g_value_set_int (value, nvenc->qp_max_detail.qp_i);
break;
case PROP_QP_MAX_P:
g_value_set_int (value, nvenc->qp_max_detail.qp_p);
break;
case PROP_QP_MAX_B:
g_value_set_int (value, nvenc->qp_max_detail.qp_b);
break;
case PROP_QP_CONST_I:
g_value_set_int (value, nvenc->qp_const_detail.qp_i);
break;
case PROP_QP_CONST_P:
g_value_set_int (value, nvenc->qp_const_detail.qp_p);
break;
case PROP_QP_CONST_B:
g_value_set_int (value, nvenc->qp_const_detail.qp_b);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

9
sys/nvcodec/gstnvbaseenc.h
View file

@ -70,6 +70,12 @@ typedef struct {
gint bframes;
} GstNvEncDeviceCaps;
typedef struct {
gint qp_i;
gint qp_p;
gint qp_b;
} GstNvEncQP;
typedef struct {
GstVideoEncoder video_encoder;
@ -78,8 +84,11 @@ typedef struct {
GUID selected_preset;
GstNvRCMode rate_control_mode;
gint qp_min;
GstNvEncQP qp_min_detail;
gint qp_max;
GstNvEncQP qp_max_detail;
gint qp_const;
GstNvEncQP qp_const_detail;
guint bitrate;
gint gop_size;
guint max_bitrate;