msdkenc{h264,h265}: add intra-refresh-type property

The SDK allows user to specify the intra refresh type which can improve
error resilience without significant impact on encoded bitstream size
caused by I frames [1]

[1] https://github.com/Intel-Media-SDK/MediaSDK/blob/master/doc/mediasdk-man.md#mfxextcodingoption2

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2090>

sys/msdk/gstmsdkh264enc.c

@@ -57,6 +57,7 @@ enum
   PROP_P_PYRAMID,
   PROP_MIN_QP,
   PROP_MAX_QP,
+  PROP_INTRA_REFRESH_TYPE,
 };
 
 enum
@@ -76,6 +77,7 @@ enum
 #define PROP_P_PYRAMID_DEFAULT          FALSE
 #define PROP_MIN_QP_DEFAULT             0
 #define PROP_MAX_QP_DEFAULT             0
+#define PROP_INTRA_REFRESH_TYPE_DEFAULT MFX_REFRESH_NO
 
 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
     GST_PAD_SRC,
@@ -386,6 +388,7 @@ gst_msdkh264enc_configure (GstMsdkEnc * encoder)
       thiz->min_qp;
   encoder->option2.MaxQPI = encoder->option2.MaxQPP = encoder->option2.MaxQPB =
       thiz->max_qp;
+  encoder->option2.IntRefType = thiz->intra_refresh_type;
 
   if (encoder->rate_control == MFX_RATECONTROL_LA ||
       encoder->rate_control == MFX_RATECONTROL_LA_HRD ||
@@ -586,6 +589,9 @@ gst_msdkh264enc_set_property (GObject * object, guint prop_id,
     case PROP_MAX_QP:
       thiz->max_qp = g_value_get_uint (value);
       break;
+    case PROP_INTRA_REFRESH_TYPE:
+      thiz->intra_refresh_type = g_value_get_enum (value);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -640,6 +646,9 @@ gst_msdkh264enc_get_property (GObject * object, guint prop_id, GValue * value,
     case PROP_MAX_QP:
       g_value_set_uint (value, thiz->max_qp);
       break;
+    case PROP_INTRA_REFRESH_TYPE:
+      g_value_set_enum (value, thiz->intra_refresh_type);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -758,6 +767,13 @@ gst_msdkh264enc_class_init (GstMsdkH264EncClass * klass)
           0, 51, PROP_MAX_QP_DEFAULT,
           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
+  g_object_class_install_property (gobject_class, PROP_INTRA_REFRESH_TYPE,
+      g_param_spec_enum ("intra-refresh-type", "Intra refresh type",
+          "Set intra refresh type",
+          gst_msdkenc_intra_refresh_type_get_type (),
+          PROP_INTRA_REFRESH_TYPE_DEFAULT,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
   gst_element_class_set_static_metadata (element_class,
       "Intel MSDK H264 encoder", "Codec/Encoder/Video/Hardware",
       "H264 video encoder based on Intel Media SDK",
@@ -779,4 +795,5 @@ gst_msdkh264enc_init (GstMsdkH264Enc * thiz)
   thiz->p_pyramid = PROP_P_PYRAMID_DEFAULT;
   thiz->min_qp = PROP_MIN_QP_DEFAULT;
   thiz->max_qp = PROP_MAX_QP_DEFAULT;
+  thiz->intra_refresh_type = PROP_INTRA_REFRESH_TYPE_DEFAULT;
 }

sys/msdk/gstmsdkh264enc.h

@@ -74,6 +74,7 @@ struct _GstMsdkH264Enc
   guint p_pyramid;
   guint min_qp;
   guint max_qp;
+  guint intra_refresh_type;
 
   GstH264NalParser *parser;
   GArray *cc_sei_array;

sys/msdk/gstmsdkh265enc.c

@@ -56,6 +56,7 @@ enum
   PROP_P_PYRAMID,
   PROP_MIN_QP,
   PROP_MAX_QP,
+  PROP_INTRA_REFRESH_TYPE,
 };
 
 enum
@@ -74,6 +75,7 @@ enum
 #define PROP_P_PYRAMID_DEFAULT          FALSE
 #define PROP_MIN_QP_DEFAULT             0
 #define PROP_MAX_QP_DEFAULT             0
+#define PROP_INTRA_REFRESH_TYPE_DEFAULT MFX_REFRESH_NO
 
 #define RAW_FORMATS "NV12, I420, YV12, YUY2, UYVY, BGRA, P010_10LE, VUYA"
 #define PROFILES    "main, main-10, main-444"
@@ -351,6 +353,7 @@ gst_msdkh265enc_configure (GstMsdkEnc * encoder)
       h265enc->min_qp;
   encoder->option2.MaxQPI = encoder->option2.MaxQPP = encoder->option2.MaxQPB =
       h265enc->max_qp;
+  encoder->option2.IntRefType = h265enc->intra_refresh_type;
 
 #if (MFX_VERSION >= 1026)
   if (h265enc->transform_skip != MFX_CODINGOPTION_UNKNOWN) {
@@ -574,6 +577,10 @@ gst_msdkh265enc_set_property (GObject * object, guint prop_id,
       thiz->max_qp = g_value_get_uint (value);
       break;
 
+    case PROP_INTRA_REFRESH_TYPE:
+      thiz->intra_refresh_type = g_value_get_enum (value);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -634,6 +641,10 @@ gst_msdkh265enc_get_property (GObject * object, guint prop_id, GValue * value,
       g_value_set_uint (value, thiz->max_qp);
       break;
 
+    case PROP_INTRA_REFRESH_TYPE:
+      g_value_set_enum (value, thiz->intra_refresh_type);
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -781,6 +792,13 @@ gst_msdkh265enc_class_init (GstMsdkH265EncClass * klass)
           0, 51, PROP_MAX_QP_DEFAULT,
           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
+  g_object_class_install_property (gobject_class, PROP_INTRA_REFRESH_TYPE,
+      g_param_spec_enum ("intra-refresh-type", "Intra refresh type",
+          "Set intra refresh type",
+          gst_msdkenc_intra_refresh_type_get_type (),
+          PROP_INTRA_REFRESH_TYPE_DEFAULT,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
   gst_element_class_set_static_metadata (element_class,
       "Intel MSDK H265 encoder",
       "Codec/Encoder/Video/Hardware",
@@ -805,5 +823,6 @@ gst_msdkh265enc_init (GstMsdkH265Enc * thiz)
   thiz->p_pyramid = PROP_P_PYRAMID_DEFAULT;
   thiz->min_qp = PROP_MIN_QP_DEFAULT;
   thiz->max_qp = PROP_MAX_QP_DEFAULT;
+  thiz->intra_refresh_type = PROP_INTRA_REFRESH_TYPE_DEFAULT;
   msdk_enc->num_extra_frames = 1;
 }

sys/msdk/gstmsdkh265enc.h

@@ -67,6 +67,7 @@ struct _GstMsdkH265Enc
   guint p_pyramid;
   guint min_qp;
   guint max_qp;
+  guint intra_refresh_type;
 
   mfxExtHEVCTiles ext_tiles;
   /* roi[0] for current ROI and roi[1] for previous ROI */

sys/msdk/msdk-enums.c

@@ -215,6 +215,26 @@ gst_msdkenc_transform_skip_get_type (void)
   return type;
 }
 
+GType
+gst_msdkenc_intra_refresh_type_get_type (void)
+{
+  static GType type = 0;
+
+  static const GEnumValue values[] = {
+    {MFX_REFRESH_NO, "No (default)", "no"},
+    {MFX_REFRESH_VERTICAL, "Vertical", "vertical"},
+    {MFX_REFRESH_HORIZONTAL, "Horizontal ", "horizontal"},
+    {MFX_REFRESH_SLICE, "Slice ", "slice"},
+    {0, NULL, NULL}
+  };
+
+  if (!type) {
+    type = g_enum_register_static ("GstMsdkEncIntraRefreshType", values);
+  }
+
+  return type;
+}
+
 /*========= MSDK VPP Enums =========================*/
 
 #ifndef GST_REMOVE_DEPRECATED

sys/msdk/msdk-enums.h

@@ -104,5 +104,8 @@ gst_msdkvpp_frc_algorithm_get_type (void);
 GType
 gst_msdkenc_transform_skip_get_type (void);
 
+GType
+gst_msdkenc_intra_refresh_type_get_type (void);
+
 G_END_DECLS
 #endif