From 5842e9cf879c8efb03a3e61d833be6627c8ad737 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADctor=20Manuel=20J=C3=A1quez=20Leal?=
 <vjaquez@igalia.com>
Date: Thu, 15 Feb 2018 19:29:51 +0100
Subject: [PATCH] plugins: add COPY_OUTPUT_FRAME flag

This patch add the member copy_output_frame and set it TRUE when
when downstream didn't request GstVideoMeta API, the caps are raw
and the internal allocator is the VA-API one.

https://bugzilla.gnome.org/show_bug.cgi?id=785054
---
 gst/vaapi/gstvaapipluginbase.c | 6 ++++++
 gst/vaapi/gstvaapipluginbase.h | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/gst/vaapi/gstvaapipluginbase.c b/gst/vaapi/gstvaapipluginbase.c
index 0183579cf1..568c42e7a1 100644
--- a/gst/vaapi/gstvaapipluginbase.c
+++ b/gst/vaapi/gstvaapipluginbase.c
@@ -1015,6 +1015,12 @@ gst_vaapi_plugin_base_decide_allocation (GstVaapiPluginBase * plugin,
 
   g_clear_object (&plugin->srcpad_buffer_pool);
   plugin->srcpad_buffer_pool = pool;
+
+  /* if downstream doesn't support GstVideoMeta, and the negotiated
+   * caps are raw video, and the used allocator is the VA-API one, we
+   * should copy the VA-API frame into a dumb buffer */
+  plugin->copy_output_frame = gst_vaapi_video_buffer_pool_copy_buffer (pool);
+
   return TRUE;
 
   /* ERRORS */
diff --git a/gst/vaapi/gstvaapipluginbase.h b/gst/vaapi/gstvaapipluginbase.h
index 81b5f4eddb..b58fdbea86 100644
--- a/gst/vaapi/gstvaapipluginbase.h
+++ b/gst/vaapi/gstvaapipluginbase.h
@@ -85,6 +85,8 @@ typedef struct _GstVaapiPluginBaseClass GstVaapiPluginBaseClass;
   (&GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_info)
 #define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAN_DMABUF(plugin) \
   (GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_can_dmabuf)
+#define GST_VAAPI_PLUGIN_BASE_COPY_OUTPUT_FRAME(plugin) \
+  (GST_VAAPI_PLUGIN_BASE(plugin)->copy_output_frame)
 
 #define GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin) \
   (GST_VAAPI_PLUGIN_BASE(plugin)->display)
@@ -147,8 +149,10 @@ struct _GstVaapiPluginBase
   gboolean srcpad_can_dmabuf;
 
   gboolean enable_direct_rendering;
+
   GstAllocator *other_srcpad_allocator;
   GstAllocationParams other_allocator_params;
+  gboolean copy_output_frame;
 };
 
 struct _GstVaapiPluginBaseClass