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openh264enc: Add complexity property for speed/quality tradeoff

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Robert Swain 2015-04-17 09:24:12 +02:00 committed by Sebastian Dröge
parent 93d2e67cbc
commit e5c73c8c8c
1 changed files with 38 additions and 0 deletions
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38
ext/openh264/gstopenh264enc.cpp
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@ -133,6 +133,26 @@ gst_openh264enc_slice_mode_get_type (void)
return (GType) id;
}
#define GST_TYPE_OPENH264ENC_COMPLEXITY (gst_openh264enc_complexity_get_type ())
static GType
gst_openh264enc_complexity_get_type (void)
{
static const GEnumValue types[] = {
{LOW_COMPLEXITY, "Low complexity / high speed encoding", "low"},
{MEDIUM_COMPLEXITY, "Medium complexity / medium speed encoding", "medium"},
{HIGH_COMPLEXITY, "High complexity / low speed encoding", "high"},
{0, NULL, NULL},
};
static gsize id = 0;
if (g_once_init_enter (& id)) {
GType _id = g_enum_register_static ("GstOpenh264encComplexity", types);
g_once_init_leave (& id, _id);
}
return (GType) id;
}
/* prototypes */
static void gst_openh264enc_set_property (GObject * object,
@ -171,6 +191,7 @@ static void gst_openh264enc_set_rate_control (GstOpenh264Enc * openh264enc,
#define DEFAULT_SCENE_CHANGE_DETECTION TRUE
#define DEFAULT_SLICE_MODE SM_FIXEDSLCNUM_SLICE
#define DEFAULT_NUM_SLICES 1
#define DEFAULT_COMPLEXITY MEDIUM_COMPLEXITY
enum
{
@ -189,6 +210,7 @@ enum
PROP_SCENE_CHANGE_DETECTION,
PROP_SLICE_MODE,
PROP_NUM_SLICES,
PROP_COMPLEXITY,
N_PROPERTIES
};
@ -215,6 +237,7 @@ struct _GstOpenh264EncPrivate
gboolean scene_change_detection;
SliceModeEnum slice_mode;
guint num_slices;
ECOMPLEXITY_MODE complexity;
};
/* pad templates */
@ -353,6 +376,11 @@ gst_openh264enc_class_init (GstOpenh264EncClass * klass)
"The number of slices (needs slice-mode=n-slices)",
0, G_MAXUINT, DEFAULT_NUM_SLICES,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_COMPLEXITY,
g_param_spec_enum ("complexity", "Complexity / quality / speed tradeoff", "Complexity",
GST_TYPE_OPENH264ENC_COMPLEXITY, DEFAULT_COMPLEXITY,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
static void
@ -380,6 +408,7 @@ gst_openh264enc_init (GstOpenh264Enc * openh264enc)
openh264enc->priv->slice_mode = DEFAULT_SLICE_MODE;
openh264enc->priv->num_slices = DEFAULT_NUM_SLICES;
openh264enc->priv->encoder = NULL;
openh264enc->priv->complexity = DEFAULT_COMPLEXITY;
gst_openh264enc_set_usage_type (openh264enc, CAMERA_VIDEO_REAL_TIME);
gst_openh264enc_set_rate_control (openh264enc, RC_QUALITY_MODE);
}
@ -486,6 +515,10 @@ gst_openh264enc_set_property (GObject * object, guint property_id,
openh264enc->priv->num_slices = g_value_get_uint (value);
break;
case PROP_COMPLEXITY:
openh264enc->priv->complexity = (ECOMPLEXITY_MODE) g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -557,6 +590,10 @@ gst_openh264enc_get_property (GObject * object, guint property_id,
g_value_set_uint (value, openh264enc->priv->num_slices);
break;
case PROP_COMPLEXITY:
g_value_set_enum (value, openh264enc->priv->complexity);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -675,6 +712,7 @@ gst_openh264enc_set_format (GstVideoEncoder * encoder,
enc_params.iLtrMarkPeriod = 30;
enc_params.iMultipleThreadIdc = openh264enc->priv->multi_thread;
enc_params.bEnableDenoise = openh264enc->priv->enable_denoise;
enc_params.iComplexityMode = priv->complexity;
enc_params.uiIntraPeriod = priv->gop_size;
enc_params.bEnableBackgroundDetection =
openh264enc->priv->background_detection;