VA: Add the vaav1dec element as the av1 decoder.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1636>

sys/va/gstvaav1dec.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_av1_dec_register            (GstPlugin * plugin,
+                                                          GstVaDevice * device,
+                                                          GstCaps * sink_caps,
+                                                          GstCaps * src_caps,
+                                                          guint rank);
+
+G_END_DECLS

sys/va/gstvabasedec.h

@@ -26,6 +26,7 @@
 #include <gst/codecs/gstmpeg2decoder.h>
 #include <gst/codecs/gstvp8decoder.h>
 #include <gst/codecs/gstvp9decoder.h>
+#include <gst/codecs/gstav1decoder.h>
 
 #include "gstvadevice.h"
 #include "gstvadecoder.h"
@@ -50,6 +51,7 @@ struct _GstVaBaseDec
     GstMpeg2Decoder mpeg2;
     GstVp8Decoder vp8;
     GstVp9Decoder vp9;
+    GstAV1Decoder av1;
   } parent;
 
   GstDebugCategory *debug_category;
@@ -83,6 +85,7 @@ struct _GstVaBaseDecClass
     GstMpeg2DecoderClass mpeg2;
     GstVp8DecoderClass vp8;
     GstVp9DecoderClass vp9;
+    GstAV1DecoderClass av1;
   } parent_class;
 
   GstVaCodecs codec;

sys/va/gstvaprofile.c

@@ -87,8 +87,8 @@ static const struct ProfileMap
   P (HEVC, SccMain444, "video/x-h265",
       "profile = (string) screen-extended-main-444"),
 #if VA_CHECK_VERSION(1,7,0)
-  P (AV1, Profile0, "video/x-av1", NULL),
+  P (AV1, Profile0, "video/x-av1", "profile = (string) 0"),
-  P (AV1, Profile1, "video/x-av1", NULL),
+  P (AV1, Profile1, "video/x-av1", "profile = (string) 1"),
 #endif
 #if VA_CHECK_VERSION(1, 8, 0)
   P (HEVC, SccMain444_10, "video/x-h265",

sys/va/meson.build

@@ -35,6 +35,12 @@ libgudev_dep = dependency('gudev-1.0', required: va_option)
 libdrm_dep = dependency('libdrm', required: false,
 			fallback: ['libdrm', 'ext_libdrm'])
 
+libva_av1_req = ['>= 1.8']
+libva_av1_dep = dependency('libva', version: libva_av1_req, required: va_option)
+if libva_av1_dep.found()
+  va_sources += 'gstvaav1dec.c'
+endif
+
 have_va = libva_dep.found() and libva_drm_dep.found()
 if not (have_va and libgudev_dep.found())
   if va_option.enabled()

sys/va/plugin.c

@@ -35,6 +35,7 @@
 #include "gstvaprofile.h"
 #include "gstvavp8dec.h"
 #include "gstvavp9dec.h"
+#include "gstvaav1dec.h"
 #include "gstvavpp.h"
 
 #define GST_CAT_DEFAULT gstva_debug
@@ -128,6 +129,15 @@ plugin_register_decoders (GstPlugin * plugin, GstVaDevice * device,
               device->render_device_path);
         }
         break;
+#if VA_CHECK_VERSION(1, 8, 0)
+      case AV1:
+        if (!gst_va_av1_dec_register (plugin, device, sinkcaps, srccaps,
+                GST_RANK_NONE)) {
+          GST_WARNING ("Failed to register AV1 decoder: %s",
+              device->render_device_path);
+        }
+        break;
+#endif
       default:
         GST_DEBUG ("No decoder implementation for %" GST_FOURCC_FORMAT,
             GST_FOURCC_ARGS (codec));