From 5df06545efb2a900e350749cdce8e154e89c6111 Mon Sep 17 00:00:00 2001
From: Hyunjun Ko <zzoon@igalia.com>
Date: Fri, 30 Mar 2018 11:05:16 -0800
Subject: [PATCH] msdk: adds new function to get dmabuf information from
 surface.

https://bugzilla.gnome.org/show_bug.cgi?id=793707
---
 sys/msdk/Makefile.am              |  3 +-
 sys/msdk/gstmsdkallocator_libva.c | 17 ++++++++++++
 sys/msdk/gstmsdkallocator_libva.h | 46 +++++++++++++++++++++++++++++++
 3 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 sys/msdk/gstmsdkallocator_libva.h

diff --git a/sys/msdk/Makefile.am b/sys/msdk/Makefile.am
index e10c346e90..7b9b92b95a 100644
--- a/sys/msdk/Makefile.am
+++ b/sys/msdk/Makefile.am
@@ -76,7 +76,8 @@ libgstmsdk_la_CFLAGS += \
 libgstmsdk_la_LIBADD += \
 	$(LIBVA_DRM_LIBS)
 noinst_HEADERS += \
-	msdk_libva.h
+	msdk_libva.h \
+	gstmsdkallocator_libva.h
 endif
 
 # TODO: add support for windows compilation
diff --git a/sys/msdk/gstmsdkallocator_libva.c b/sys/msdk/gstmsdkallocator_libva.c
index 4566fc17ff..275e01bcec 100644
--- a/sys/msdk/gstmsdkallocator_libva.c
+++ b/sys/msdk/gstmsdkallocator_libva.c
@@ -33,6 +33,7 @@
 #include <va/va.h>
 #include <va/va_drmcommon.h>
 #include "gstmsdkallocator.h"
+#include "gstmsdkallocator_libva.h"
 #include "msdk_libva.h"
 
 mfxStatus
@@ -352,3 +353,19 @@ gst_msdk_set_frame_allocator (GstMsdkContext * context)
   MFXVideoCORE_SetFrameAllocator (gst_msdk_context_get_session (context),
       &gst_msdk_frame_allocator);
 }
+
+gboolean
+gst_msdk_get_dmabuf_info_from_surface (mfxFrameSurface1 * surface,
+    gint * handle, gsize * size)
+{
+  GstMsdkMemoryID *mem_id;
+  g_return_val_if_fail (surface, FALSE);
+
+  mem_id = (GstMsdkMemoryID *) surface->Data.MemId;
+  if (handle)
+    *handle = mem_id->info.handle;
+  if (size)
+    *size = mem_id->info.mem_size;
+
+  return TRUE;
+}
diff --git a/sys/msdk/gstmsdkallocator_libva.h b/sys/msdk/gstmsdkallocator_libva.h
new file mode 100644
index 0000000000..8600260eb8
--- /dev/null
+++ b/sys/msdk/gstmsdkallocator_libva.h
@@ -0,0 +1,46 @@
+/* GStreamer Intel MSDK plugin
+ * Copyright (c) 2018, Intel Corporation
+ * Copyright (c) 2018, Igalia S.L.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef GST_MSDK_ALLOCATOR_LIBVA_H_
+#define GST_MSDK_ALLOCATOR_LIBVA_H_
+
+#include "msdk.h"
+#include "gstmsdkallocator.h"
+
+G_BEGIN_DECLS
+
+gboolean
+gst_msdk_get_dmabuf_info_from_surface (mfxFrameSurface1 * surface, gint *handle, gsize *size);
+
+G_END_DECLS
+
+#endif /* GST_MSDK_ALLOCATOR_LIBVA_H_ */