va: Implement the VA vp8 decoder.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1587>

sys/va/gstvah264dec.c

@@ -559,6 +559,7 @@ gst_va_h264_dec_new_picture (GstH264Decoder * decoder,
     goto error;
 
   pic = gst_va_decode_picture_new (frame->output_buffer);
+
   gst_h264_picture_set_user_data (picture, pic,
       (GDestroyNotify) gst_va_decode_picture_free);
 

sys/va/gstvavp8dec.h

@@ -0,0 +1,33 @@
+/* GStreamer
+ *  Copyright (C) 2020 Intel Corporation
+ *     Author: He Junyan <junyan.he@intel.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the0
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include "gstvadevice.h"
+
+G_BEGIN_DECLS
+
+gboolean              gst_va_vp8_dec_register            (GstPlugin * plugin,
+                                                          GstVaDevice * device,
+                                                          GstCaps * sink_caps,
+                                                          GstCaps * src_caps,
+                                                          guint rank);
+
+G_END_DECLS

sys/va/meson.build

@@ -9,6 +9,7 @@ va_sources = [
   'gstvadevice.c',
   'gstvafilter.c',
   'gstvah264dec.c',
+  'gstvavp8dec.c',
   'gstvapool.c',
   'gstvaprofile.c',
   'gstvautils.c',

sys/va/plugin.c

@@ -30,6 +30,7 @@
 #include "gstvacaps.h"
 #include "gstvadevice.h"
 #include "gstvah264dec.h"
+#include "gstvavp8dec.h"
 #include "gstvaprofile.h"
 #include "gstvavpp.h"
 
@@ -96,6 +97,13 @@ plugin_register_decoders (GstPlugin * plugin, GstVaDevice * device,
               device->render_device_path);
         }
         break;
+      case VP8:
+        if (!gst_va_vp8_dec_register (plugin, device, sinkcaps, srccaps,
+                GST_RANK_NONE)) {
+          GST_WARNING ("Failed to register H264 decoder: %s",
+              device->render_device_path);
+        }
+        break;
       default:
         GST_DEBUG ("No decoder implementation for %" GST_FOURCC_FORMAT,
             GST_FOURCC_ARGS (codec));