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omxh264enc: add some encoding properties

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entropy-mode, constrained-intra-prediction and loop-filter-mode.
Those map standard OMX settings.

https://bugzilla.gnome.org/show_bug.cgi?id=792528
This commit is contained in:
Guillaume Desmottes 2017-11-23 15:54:15 +01:00 committed by Nicolas Dufresne
parent e3396210d2
commit 74376fea2d
2 changed files with 108 additions and 0 deletions
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105
omx/gstomxh264enc.c
View file

@ -59,6 +59,9 @@ enum
PROP_PERIODICITYOFIDRFRAMES_COMPAT,
PROP_INTERVALOFCODINGINTRAFRAMES,
PROP_B_FRAMES,
PROP_ENTROPY_MODE,
PROP_CONSTRAINED_INTRA_PREDICTION,
PROP_LOOP_FILTER_MODE,
};
#ifdef USE_OMX_TARGET_RPI
@ -67,6 +70,9 @@ enum
#define GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT (0xffffffff)
#define GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT (0xffffffff)
#define GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT (0xffffffff)
#define GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT (0xffffffff)
#define GST_OMX_H264_VIDEO_ENC_CONSTRAINED_INTRA_PREDICTION_DEFAULT (FALSE)
#define GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT (0xffffffff)
/* class initialization */
@ -79,6 +85,47 @@ enum
G_DEFINE_TYPE_WITH_CODE (GstOMXH264Enc, gst_omx_h264_enc,
GST_TYPE_OMX_VIDEO_ENC, DEBUG_INIT);
#define GST_TYPE_OMX_H264_ENC_ENTROPY_MODE (gst_omx_h264_enc_entropy_mode_get_type ())
static GType
gst_omx_h264_enc_entropy_mode_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{FALSE, "CAVLC entropy mode", "CAVLC"},
{TRUE, "CABAC entropy mode", "CABAC"},
{0xffffffff, "Component Default", "default"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXH264EncEntropyMode", values);
}
return qtype;
}
#define GST_TYPE_OMX_H264_ENC_LOOP_FILTER_MODE (gst_omx_h264_enc_loop_filter_mode_get_type ())
static GType
gst_omx_h264_enc_loop_filter_mode_get_type (void)
{
static GType qtype = 0;
if (qtype == 0) {
static const GEnumValue values[] = {
{OMX_VIDEO_AVCLoopFilterEnable, "Enable deblocking filter", "enable"},
{OMX_VIDEO_AVCLoopFilterDisable, "Disable deblocking filter", "disable"},
{OMX_VIDEO_AVCLoopFilterDisableSliceBoundary,
"Disables deblocking filter on slice boundary",
"disable-slice-boundary"},
{0xffffffff, "Component Default", "default"},
{0, NULL, NULL}
};
qtype = g_enum_register_static ("GstOMXH264EncLoopFilter", values);
}
return qtype;
}
static void
gst_omx_h264_enc_class_init (GstOMXH264EncClass * klass)
{
@ -137,6 +184,32 @@ gst_omx_h264_enc_class_init (GstOMXH264EncClass * klass)
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_ENTROPY_MODE,
g_param_spec_enum ("entropy-mode", "Entropy Mode",
"Entropy mode for encoding process",
GST_TYPE_OMX_H264_ENC_ENTROPY_MODE,
GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class,
PROP_CONSTRAINED_INTRA_PREDICTION,
g_param_spec_boolean ("constrained-intra-prediction",
"Constrained Intra Prediction",
"If enabled, prediction only uses residual data and decoded samples "
"from neighbouring coding blocks coded using intra prediction modes",
GST_OMX_H264_VIDEO_ENC_CONSTRAINED_INTRA_PREDICTION_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_LOOP_FILTER_MODE,
g_param_spec_enum ("loop-filter-mode", "Loop Filter mode",
"Enable or disable the deblocking filter (0xffffffff=component default)",
GST_TYPE_OMX_H264_ENC_LOOP_FILTER_MODE,
GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
basevideoenc_class->flush = gst_omx_h264_enc_flush;
basevideoenc_class->stop = gst_omx_h264_enc_stop;
@ -176,6 +249,15 @@ gst_omx_h264_enc_set_property (GObject * object, guint prop_id,
case PROP_B_FRAMES:
self->b_frames = g_value_get_uint (value);
break;
case PROP_ENTROPY_MODE:
self->entropy_mode = g_value_get_enum (value);
break;
case PROP_CONSTRAINED_INTRA_PREDICTION:
self->constrained_intra_prediction = g_value_get_boolean (value);
break;
case PROP_LOOP_FILTER_MODE:
self->loop_filter_mode = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -204,6 +286,15 @@ gst_omx_h264_enc_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_B_FRAMES:
g_value_set_uint (value, self->b_frames);
break;
case PROP_ENTROPY_MODE:
g_value_set_enum (value, self->entropy_mode);
break;
case PROP_CONSTRAINED_INTRA_PREDICTION:
g_value_set_boolean (value, self->constrained_intra_prediction);
break;
case PROP_LOOP_FILTER_MODE:
g_value_set_enum (value, self->loop_filter_mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -222,6 +313,10 @@ gst_omx_h264_enc_init (GstOMXH264Enc * self)
self->interval_intraframes =
GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT;
self->b_frames = GST_OMX_H264_VIDEO_ENC_B_FRAMES_DEFAULT;
self->entropy_mode = GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT;
self->constrained_intra_prediction =
GST_OMX_H264_VIDEO_ENC_CONSTRAINED_INTRA_PREDICTION_DEFAULT;
self->loop_filter_mode = GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT;
}
static gboolean
@ -354,6 +449,16 @@ update_param_avc (GstOMXH264Enc * self,
param.nBFrames = self->b_frames;
}
if (self->entropy_mode != GST_OMX_H264_VIDEO_ENC_ENTROPY_MODE_DEFAULT) {
param.bEntropyCodingCABAC = self->entropy_mode;
}
param.bconstIpred = self->constrained_intra_prediction;
if (self->loop_filter_mode != GST_OMX_H264_VIDEO_ENC_LOOP_FILTER_MODE_DEFAULT) {
param.eLoopFilterMode = self->loop_filter_mode;
}
err =
gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
OMX_IndexParamVideoAvc, &param);

3
omx/gstomxh264enc.h
View file

@ -52,6 +52,9 @@ struct _GstOMXH264Enc
guint32 periodicty_idr;
guint32 interval_intraframes;
guint32 b_frames;
guint32 entropy_mode;
gboolean constrained_intra_prediction;
guint32 loop_filter_mode;
GList *headers;
};