mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-23 10:11:08 +00:00
Code Issues 1 Projects Releases Wiki Activity

msdk: h264_enc: Add slice size tuning option

Browse source 
According to spec, it is a general property. But based on
testing it only works for h264 encoder.
Let's keep it as h264 specific for now.

https://bugzilla.gnome.org/show_bug.cgi?id=791637
This commit is contained in:
Sreerenj Balachandran 2018-02-15 16:31:56 +00:00
parent ddd02be0de
commit f25bcf7cb8
2 changed files with 19 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
sys/msdk/gstmsdkh264enc.c
View file

@ -48,6 +48,7 @@ enum
PROP_FRAME_PACKING,
PROP_RC_LA_DOWNSAMPLING,
PROP_TRELLIS,
PROP_MAX_SLICE_SIZE,
};
#define PROP_CABAC_DEFAULT TRUE
@ -55,6 +56,7 @@ enum
#define PROP_FRAME_PACKING_DEFAULT -1
#define PROP_RC_LA_DOWNSAMPLING_DEFAULT MFX_LOOKAHEAD_DS_UNKNOWN
#define PROP_TRELLIS_DEFAULT _MFX_TRELLIS_NONE
#define PROP_MAX_SLICE_SIZE_DEFAULT 0
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
@ -285,14 +287,14 @@ gst_msdkh264enc_configure (GstMsdkEnc * encoder)
gst_msdkenc_add_extra_param (encoder, (mfxExtBuffer *) & thiz->option);
encoder->enable_extopt2 = TRUE;
encoder->option2.Trellis = thiz->trellis ? thiz->trellis : MFX_TRELLIS_OFF;
encoder->option2.MaxSliceSize = thiz->max_slice_size;
if (encoder->rate_control == MFX_RATECONTROL_LA ||
encoder->rate_control == MFX_RATECONTROL_LA_HRD ||
encoder->rate_control == MFX_RATECONTROL_LA_ICQ)
encoder->option2.LookAheadDS = thiz->lookahead_ds;
encoder->option2.Trellis = thiz->trellis ? thiz->trellis : MFX_TRELLIS_OFF;
encoder->enable_extopt2 = TRUE;
return TRUE;
}
@ -414,6 +416,9 @@ gst_msdkh264enc_set_property (GObject * object, guint prop_id,
case PROP_TRELLIS:
thiz->trellis = g_value_get_flags (value);
break;
case PROP_MAX_SLICE_SIZE:
thiz->max_slice_size = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -448,6 +453,9 @@ gst_msdkh264enc_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_TRELLIS:
g_value_set_flags (value, thiz->trellis);
break;
case PROP_MAX_SLICE_SIZE:
g_value_set_uint (value, thiz->max_slice_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -506,6 +514,12 @@ gst_msdkh264enc_class_init (GstMsdkH264EncClass * klass)
gst_msdkenc_trellis_quantization_get_type (), _MFX_TRELLIS_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MAX_SLICE_SIZE,
g_param_spec_uint ("max-slice-size", "Max Slice Size",
"Maximum slice size in bytes (if enabled MSDK will ignore the control over num-slices)",
0, G_MAXUINT32, PROP_MAX_SLICE_SIZE_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (element_class,
"Intel MSDK H264 encoder", "Codec/Encoder/Video",
"H264 video encoder based on Intel Media SDK",
@ -521,4 +535,5 @@ gst_msdkh264enc_init (GstMsdkH264Enc * thiz)
thiz->frame_packing = PROP_FRAME_PACKING_DEFAULT;
thiz->lookahead_ds = PROP_RC_LA_DOWNSAMPLING_DEFAULT;
thiz->trellis = PROP_TRELLIS_DEFAULT;
thiz->max_slice_size = PROP_MAX_SLICE_SIZE_DEFAULT;
}

1
sys/msdk/gstmsdkh264enc.h
View file

@ -64,6 +64,7 @@ struct _GstMsdkH264Enc
gint frame_packing;
guint lookahead_ds;
guint trellis;
guint max_slice_size;
};
struct _GstMsdkH264EncClass