libs: encoder: remove unused cast macro

Remove internal macro to cast structure that are already declared
in the header.

gst-libs/gst/vaapi/gstvaapiencoder_h264.c

@@ -694,9 +694,6 @@ bs_error:
 /* --- H.264 Encoder                                                     --- */
 /* ------------------------------------------------------------------------- */
 
-#define GST_VAAPI_ENCODER_H264_CAST(encoder) \
-    ((GstVaapiEncoderH264 *)(encoder))
-
 struct _GstVaapiEncoderH264
 {
   GstVaapiEncoder parent_instance;
@@ -2593,8 +2590,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h264_encode (GstVaapiEncoder * base_encoder,
     GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN;
   GstVaapiSurfaceProxy *reconstruct = NULL;
 
@@ -2631,8 +2627,7 @@ error:
 static GstVaapiEncoderStatus
 gst_vaapi_encoder_h264_flush (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   GstVaapiH264ViewReorderPool *reorder_pool;
   GstVaapiEncPicture *pic;
   guint i;
@@ -2659,8 +2654,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h264_get_codec_data (GstVaapiEncoder * base_encoder,
     GstBuffer ** out_buffer_ptr)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   const guint32 configuration_version = 0x01;
   const guint32 nal_length_size = 4;
   guint8 profile_idc, profile_comp, level_idc;
@@ -2759,8 +2753,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h264_reordering (GstVaapiEncoder * base_encoder,
     GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   GstVaapiH264ViewReorderPool *reorder_pool = NULL;
   GstVaapiEncPicture *picture;
   gboolean is_idr = FALSE;
@@ -2872,8 +2865,7 @@ end:
 static GstVaapiEncoderStatus
 set_context_info (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
   const guint DEFAULT_SURFACES_COUNT = 3;
 
@@ -2932,8 +2924,7 @@ set_context_info (GstVaapiEncoder * base_encoder)
 static GstVaapiEncoderStatus
 gst_vaapi_encoder_h264_reconfigure (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
   GstVaapiEncoderStatus status;
   guint mb_width, mb_height;
@@ -2969,8 +2960,7 @@ gst_vaapi_encoder_h264_reconfigure (GstVaapiEncoder * base_encoder)
 static gboolean
 gst_vaapi_encoder_h264_init (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   guint32 i;
 
   /* Default encoding entrypoint */
@@ -3012,8 +3002,7 @@ static void
 gst_vaapi_encoder_h264_finalize (GstVaapiEncoder * base_encoder)
 {
   /*free private buffers */
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
   GstVaapiEncPicture *pic;
   GstVaapiEncoderH264Ref *ref;
   guint32 i;
@@ -3049,8 +3038,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h264_set_property (GstVaapiEncoder * base_encoder,
     gint prop_id, const GValue * value)
 {
-  GstVaapiEncoderH264 *const encoder =
-      GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+  GstVaapiEncoderH264 *const encoder = GST_VAAPI_ENCODER_H264 (base_encoder);
 
   switch (prop_id) {
     case GST_VAAPI_ENCODER_H264_PROP_MAX_BFRAMES:

gst-libs/gst/vaapi/gstvaapiencoder_h265.c

@@ -85,9 +85,6 @@ typedef struct _GstVaapiH265ReorderPool
 /* --- H.265 Encoder                                                     --- */
 /* ------------------------------------------------------------------------- */
 
-#define GST_VAAPI_ENCODER_H265_CAST(encoder) \
-    ((GstVaapiEncoderH265 *)(encoder))
-
 struct _GstVaapiEncoderH265
 {
   GstVaapiEncoder parent_instance;
@@ -2021,8 +2018,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h265_encode (GstVaapiEncoder * base_encoder,
     GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN;
   GstVaapiSurfaceProxy *reconstruct = NULL;
 
@@ -2059,8 +2055,7 @@ error:
 static GstVaapiEncoderStatus
 gst_vaapi_encoder_h265_flush (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   GstVaapiH265ReorderPool *reorder_pool;
   GstVaapiEncPicture *pic;
 
@@ -2083,8 +2078,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h265_get_codec_data (GstVaapiEncoder * base_encoder,
     GstBuffer ** out_buffer_ptr)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   const guint32 configuration_version = 0x01;
   const guint32 nal_length_size = 4;
   GstMapInfo vps_info, sps_info, pps_info;
@@ -2230,8 +2224,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h265_reordering (GstVaapiEncoder * base_encoder,
     GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   GstVaapiH265ReorderPool *reorder_pool = NULL;
   GstVaapiEncPicture *picture;
   gboolean is_idr = FALSE;
@@ -2330,8 +2323,7 @@ end:
 static GstVaapiEncoderStatus
 set_context_info (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
   const guint DEFAULT_SURFACES_COUNT = 3;
 
@@ -2383,8 +2375,7 @@ set_context_info (GstVaapiEncoder * base_encoder)
 static GstVaapiEncoderStatus
 gst_vaapi_encoder_h265_reconfigure (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   GstVaapiEncoderStatus status;
   guint luma_width, luma_height;
 
@@ -2429,8 +2420,7 @@ gst_vaapi_encoder_h265_reconfigure (GstVaapiEncoder * base_encoder)
 static gboolean
 gst_vaapi_encoder_h265_init (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   GstVaapiH265ReorderPool *reorder_pool;
   GstVaapiH265RefPool *ref_pool;
 
@@ -2458,8 +2448,7 @@ static void
 gst_vaapi_encoder_h265_finalize (GstVaapiEncoder * base_encoder)
 {
   /*free private buffers */
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
   GstVaapiEncPicture *pic;
   GstVaapiEncoderH265Ref *ref;
   GstVaapiH265RefPool *ref_pool;
@@ -2491,8 +2480,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_h265_set_property (GstVaapiEncoder * base_encoder,
     gint prop_id, const GValue * value)
 {
-  GstVaapiEncoderH265 *const encoder =
-      GST_VAAPI_ENCODER_H265_CAST (base_encoder);
+  GstVaapiEncoderH265 *const encoder = GST_VAAPI_ENCODER_H265 (base_encoder);
 
   switch (prop_id) {
     case GST_VAAPI_ENCODER_H265_PROP_MAX_BFRAMES:

gst-libs/gst/vaapi/gstvaapiencoder_jpeg.c

@@ -56,9 +56,6 @@
 /* --- JPEG Encoder                                                      --- */
 /* ------------------------------------------------------------------------- */
 
-#define GST_VAAPI_ENCODER_JPEG_CAST(encoder) \
-    ((GstVaapiEncoderJpeg *)(encoder))
-
 struct _GstVaapiEncoderJpeg
 {
   GstVaapiEncoder parent_instance;
@@ -175,7 +172,7 @@ error_unsupported_profile:
 static GstVaapiEncoderStatus
 set_context_info (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderJpeg *encoder = GST_VAAPI_ENCODER_JPEG_CAST (base_encoder);
+  GstVaapiEncoderJpeg *encoder = GST_VAAPI_ENCODER_JPEG (base_encoder);
   GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
 
   /* Maximum sizes for common headers (in bytes) */
@@ -662,8 +659,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_jpeg_encode (GstVaapiEncoder * base_encoder,
     GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf)
 {
-  GstVaapiEncoderJpeg *const encoder =
-      GST_VAAPI_ENCODER_JPEG_CAST (base_encoder);
+  GstVaapiEncoderJpeg *const encoder = GST_VAAPI_ENCODER_JPEG (base_encoder);
   GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN;
   GstVaapiSurfaceProxy *reconstruct = NULL;
 
@@ -709,8 +705,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_jpeg_reordering (GstVaapiEncoder * base_encoder,
     GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
 {
-  GstVaapiEncoderJpeg *const encoder =
-      GST_VAAPI_ENCODER_JPEG_CAST (base_encoder);
+  GstVaapiEncoderJpeg *const encoder = GST_VAAPI_ENCODER_JPEG (base_encoder);
   GstVaapiEncPicture *picture = NULL;
   GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;
 
@@ -731,8 +726,7 @@ gst_vaapi_encoder_jpeg_reordering (GstVaapiEncoder * base_encoder,
 static GstVaapiEncoderStatus
 gst_vaapi_encoder_jpeg_reconfigure (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderJpeg *const encoder =
-      GST_VAAPI_ENCODER_JPEG_CAST (base_encoder);
+  GstVaapiEncoderJpeg *const encoder = GST_VAAPI_ENCODER_JPEG (base_encoder);
   GstVaapiEncoderStatus status;
 
   status = ensure_profile (encoder);
@@ -748,8 +742,7 @@ gst_vaapi_encoder_jpeg_reconfigure (GstVaapiEncoder * base_encoder)
 static gboolean
 gst_vaapi_encoder_jpeg_init (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderJpeg *const encoder =
-      GST_VAAPI_ENCODER_JPEG_CAST (base_encoder);
+  GstVaapiEncoderJpeg *const encoder = GST_VAAPI_ENCODER_JPEG (base_encoder);
 
   encoder->has_quant_tables = FALSE;
   memset (&encoder->quant_tables, 0, sizeof (encoder->quant_tables));
@@ -770,8 +763,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_jpeg_set_property (GstVaapiEncoder * base_encoder,
     gint prop_id, const GValue * value)
 {
-  GstVaapiEncoderJpeg *const encoder =
-      GST_VAAPI_ENCODER_JPEG_CAST (base_encoder);
+  GstVaapiEncoderJpeg *const encoder = GST_VAAPI_ENCODER_JPEG (base_encoder);
 
   switch (prop_id) {
     case GST_VAAPI_ENCODER_JPEG_PROP_QUALITY:

gst-libs/gst/vaapi/gstvaapiencoder_vp8.c

@@ -57,9 +57,6 @@
 /* --- VP8 Encoder                                                      --- */
 /* ------------------------------------------------------------------------- */
 
-#define GST_VAAPI_ENCODER_VP8_CAST(encoder) \
-    ((GstVaapiEncoderVP8 *)(encoder))
-
 struct _GstVaapiEncoderVP8
 {
   GstVaapiEncoder parent_instance;
@@ -145,7 +142,7 @@ ensure_bitrate (GstVaapiEncoderVP8 * encoder)
 static GstVaapiEncoderStatus
 set_context_info (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderVP8 *encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
+  GstVaapiEncoderVP8 *encoder = GST_VAAPI_ENCODER_VP8 (base_encoder);
   GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
 
   /* Maximum sizes for common headers (in bytes) */
@@ -409,7 +406,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp8_encode (GstVaapiEncoder * base_encoder,
     GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf)
 {
-  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
+  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8 (base_encoder);
   GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN;
   GstVaapiSurfaceProxy *reconstruct = NULL;
 
@@ -455,7 +452,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp8_reordering (GstVaapiEncoder * base_encoder,
     GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
 {
-  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
+  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8 (base_encoder);
   GstVaapiEncPicture *picture = NULL;
   GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;
 
@@ -488,7 +485,7 @@ gst_vaapi_encoder_vp8_reordering (GstVaapiEncoder * base_encoder,
 static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp8_reconfigure (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
+  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8 (base_encoder);
   GstVaapiEncoderStatus status;
 
   status = ensure_profile (encoder);
@@ -511,7 +508,7 @@ error:
 static gboolean
 gst_vaapi_encoder_vp8_init (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
+  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8 (base_encoder);
 
   encoder->frame_num = 0;
   encoder->last_ref = NULL;
@@ -524,7 +521,7 @@ gst_vaapi_encoder_vp8_init (GstVaapiEncoder * base_encoder)
 static void
 gst_vaapi_encoder_vp8_finalize (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
+  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8 (base_encoder);
   clear_references (encoder);
 }
 
@@ -532,7 +529,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp8_set_property (GstVaapiEncoder * base_encoder,
     gint prop_id, const GValue * value)
 {
-  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
+  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8 (base_encoder);
 
   switch (prop_id) {
     case GST_VAAPI_ENCODER_VP8_PROP_LOOP_FILTER_LEVEL:

gst-libs/gst/vaapi/gstvaapiencoder_vp9.c

@@ -91,9 +91,6 @@ gst_vaapi_encoder_vp9_ref_pic_mode_type (void)
 /* --- VP9 Encoder                                                      --- */
 /* ------------------------------------------------------------------------- */
 
-#define GST_VAAPI_ENCODER_VP9_CAST(encoder) \
-    ((GstVaapiEncoderVP9 *)(encoder))
-
 struct _GstVaapiEncoderVP9
 {
   GstVaapiEncoder parent_instance;
@@ -195,7 +192,7 @@ error_unsupported_profile:
 static GstVaapiEncoderStatus
 set_context_info (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderVP9 *encoder = GST_VAAPI_ENCODER_VP9_CAST (base_encoder);
+  GstVaapiEncoderVP9 *encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
   GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
   const guint DEFAULT_SURFACES_COUNT = 2;
 
@@ -431,7 +428,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp9_encode (GstVaapiEncoder * base_encoder,
     GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf)
 {
-  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9_CAST (base_encoder);
+  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
   GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN;
   GstVaapiSurfaceProxy *reconstruct = NULL;
 
@@ -472,7 +469,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp9_reordering (GstVaapiEncoder * base_encoder,
     GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
 {
-  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9_CAST (base_encoder);
+  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
   GstVaapiEncPicture *picture = NULL;
   GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;
 
@@ -504,7 +501,7 @@ gst_vaapi_encoder_vp9_reordering (GstVaapiEncoder * base_encoder,
 static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp9_reconfigure (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9_CAST (base_encoder);
+  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
   GstVaapiEncoderStatus status;
 
   status = ensure_profile (encoder);
@@ -518,7 +515,7 @@ gst_vaapi_encoder_vp9_reconfigure (GstVaapiEncoder * base_encoder)
 static gboolean
 gst_vaapi_encoder_vp9_init (GstVaapiEncoder * base_encoder)
 {
-  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9_CAST (base_encoder);
+  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
 
   encoder->frame_num = 0;
   encoder->loop_filter_level = DEFAULT_LOOP_FILTER_LEVEL;
@@ -542,7 +539,7 @@ static GstVaapiEncoderStatus
 gst_vaapi_encoder_vp9_set_property (GstVaapiEncoder * base_encoder,
     gint prop_id, const GValue * value)
 {
-  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9_CAST (base_encoder);
+  GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
 
   switch (prop_id) {
     case GST_VAAPI_ENCODER_VP9_PROP_LOOP_FILTER_LEVEL: