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1130a46837
GstVaapiSurfaceProxy does not use any particular functionality from GObject. Actually, it only needs a basic object type with reference counting. This is an API and ABI change.
435 lines
12 KiB
C
435 lines
12 KiB
C
/*
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* gstvaapisurfaceproxy.c - VA surface proxy
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011-2012 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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/**
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* SECTION:gstvaapisurfaceproxy
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* @short_description: VA surface proxy
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*/
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#include "sysdeps.h"
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#include "gstvaapisurfaceproxy.h"
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#include "gstvaapiobject_priv.h"
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#include "gstvaapiminiobject.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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#define GST_VAAPI_SURFACE_PROXY(obj) \
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((GstVaapiSurfaceProxy *)(obj))
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#define GST_VAAPI_IS_SURFACE_PROXY(obj) \
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(GST_VAAPI_SURFACE_PROXY(obj) != NULL)
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struct _GstVaapiSurfaceProxy {
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/*< private >*/
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GstVaapiMiniObject parent_instance;
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GstVaapiContext *context;
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GstVaapiSurface *surface;
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GstClockTime timestamp;
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GstClockTime duration;
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guint is_interlaced : 1;
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guint tff : 1;
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};
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static void
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gst_vaapi_surface_proxy_finalize(GstVaapiSurfaceProxy *proxy)
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{
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gst_vaapi_surface_proxy_set_surface(proxy, NULL);
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gst_vaapi_surface_proxy_set_context(proxy, NULL);
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}
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static void
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gst_vaapi_surface_proxy_init(GstVaapiSurfaceProxy *proxy)
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{
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proxy->timestamp = GST_CLOCK_TIME_NONE;
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proxy->duration = GST_CLOCK_TIME_NONE;
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proxy->is_interlaced = FALSE;
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proxy->tff = FALSE;
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}
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static inline const GstVaapiMiniObjectClass *
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gst_vaapi_surface_proxy_class(void)
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{
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static const GstVaapiMiniObjectClass GstVaapiSurfaceProxyClass = {
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sizeof(GstVaapiSurfaceProxy),
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(GDestroyNotify)gst_vaapi_surface_proxy_finalize
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};
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return &GstVaapiSurfaceProxyClass;
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}
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/**
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* gst_vaapi_surface_proxy_new:
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* @context: a #GstVaapiContext
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* @surface: a #GstVaapiSurface
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*
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* Creates a new #GstVaapiSurfaceProxy with the specified context and
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* surface.
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*
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* Return value: the newly allocated #GstVaapiSurfaceProxy object
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*/
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GstVaapiSurfaceProxy *
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gst_vaapi_surface_proxy_new(GstVaapiContext *context, GstVaapiSurface *surface)
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{
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GstVaapiMiniObject *object;
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GstVaapiSurfaceProxy *proxy;
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g_return_val_if_fail(GST_VAAPI_IS_CONTEXT(context), NULL);
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), NULL);
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object = gst_vaapi_mini_object_new(gst_vaapi_surface_proxy_class());
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if (!object)
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return NULL;
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proxy = GST_VAAPI_SURFACE_PROXY(object);
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gst_vaapi_surface_proxy_init(proxy);
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gst_vaapi_surface_proxy_set_context(proxy, context);
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gst_vaapi_surface_proxy_set_surface(proxy, surface);
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return proxy;
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}
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/**
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* gst_vaapi_surface_proxy_ref:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Atomically increases the reference count of the given @proxy by one.
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*
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* Returns: The same @proxy argument
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*/
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GstVaapiSurfaceProxy *
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gst_vaapi_surface_proxy_ref(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), NULL);
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return GST_VAAPI_SURFACE_PROXY(gst_vaapi_mini_object_ref(
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GST_VAAPI_MINI_OBJECT(proxy)));
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}
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/**
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* gst_vaapi_surface_proxy_unref:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Atomically decreases the reference count of the @proxy by one. If
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* the reference count reaches zero, the object will be free'd.
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*/
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void
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gst_vaapi_surface_proxy_unref(GstVaapiSurfaceProxy *proxy)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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gst_vaapi_mini_object_unref(GST_VAAPI_MINI_OBJECT(proxy));
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}
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/**
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* gst_vaapi_surface_proxy_replace:
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* @old_proxy_ptr: a pointer to a #GstVaapiSurfaceProxy
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* @new_proxy: a #GstVaapiSurfaceProxy
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*
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* Atomically replaces the proxy object held in @old_proxy_ptr with
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* @new_proxy. This means that @old_proxy_ptr shall reference a valid
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* object. However, @new_proxy can be NULL.
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*/
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void
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gst_vaapi_surface_proxy_replace(GstVaapiSurfaceProxy **old_proxy_ptr,
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GstVaapiSurfaceProxy *new_proxy)
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{
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g_return_if_fail(old_proxy_ptr != NULL);
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gst_vaapi_mini_object_replace((GstVaapiMiniObject **)old_proxy_ptr,
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GST_VAAPI_MINI_OBJECT(new_proxy));
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}
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/**
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* gst_vaapi_surface_proxy_get_user_data:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Gets user-provided data set on the object via a previous call to
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* gst_vaapi_surface_proxy_set_user_data().
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*
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* Returns: (transfer none): The previously set user_data
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*/
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gpointer
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gst_vaapi_surface_proxy_get_user_data(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), NULL);
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return gst_vaapi_mini_object_get_user_data(GST_VAAPI_MINI_OBJECT(proxy));
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}
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/**
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* gst_vaapi_surface_proxy_set_user_data:
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* @proxy: a #GstVaapiSurfaceProxy
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* @user_data: user-provided data
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* @destroy_notify: (closure user_data): a #GDestroyNotify
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*
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* Sets @user_data on the object and the #GDestroyNotify that will be
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* called when the data is freed.
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*
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* If some @user_data was previously set, then the former @destroy_notify
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* function will be called before the @user_data is replaced.
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*/
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void
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gst_vaapi_surface_proxy_set_user_data(GstVaapiSurfaceProxy *proxy,
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gpointer user_data, GDestroyNotify destroy_notify)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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gst_vaapi_mini_object_set_user_data(GST_VAAPI_MINI_OBJECT(proxy),
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user_data, destroy_notify);
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}
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/**
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* gst_vaapi_surface_proxy_get_context:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the #GstVaapiContext stored in the @proxy.
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*
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* Return value: the #GstVaapiContext
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*/
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GstVaapiContext *
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gst_vaapi_surface_proxy_get_context(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), NULL);
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return proxy->context;
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}
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/**
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* gst_vaapi_surface_proxy_set_context:
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* @proxy: a #GstVaapiSurfaceProxy
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* @context: the new #GstVaapiContext to be stored in @proxy
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*
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* Stores a new @context into the @proxy. The proxy releases the
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* previous reference, if any, and then holds a reference to the new
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* @context.
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*/
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void
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gst_vaapi_surface_proxy_set_context(
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GstVaapiSurfaceProxy *proxy,
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GstVaapiContext *context
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)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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g_clear_object(&proxy->context);
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if (context)
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proxy->context = g_object_ref(context);
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}
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/**
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* gst_vaapi_surface_proxy_get_surface:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the #GstVaapiSurface stored in the @proxy.
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*
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* Return value: the #GstVaapiSurface
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*/
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GstVaapiSurface *
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gst_vaapi_surface_proxy_get_surface(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), NULL);
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return proxy->surface;
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}
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/**
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* gst_vaapi_surface_proxy_get_surface_id:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the VA surface ID stored in the @proxy.
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*
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* Return value: the #GstVaapiID
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*/
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GstVaapiID
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gst_vaapi_surface_proxy_get_surface_id(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), GST_VAAPI_ID_NONE);
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g_return_val_if_fail(proxy->surface != NULL, GST_VAAPI_ID_NONE);
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return GST_VAAPI_OBJECT_ID(proxy->surface);
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}
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/**
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* gst_vaapi_surface_proxy_set_surface:
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* @proxy: a #GstVaapiSurfaceProxy
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* @surface: the new #GstVaapiSurface to be stored in @proxy
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*
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* Stores a new @surface into the @proxy. The proxy releases the
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* previous reference, if any, and then holds a reference to the new
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* @surface.
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*/
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void
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gst_vaapi_surface_proxy_set_surface(
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GstVaapiSurfaceProxy *proxy,
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GstVaapiSurface *surface
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)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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if (proxy->surface) {
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if (proxy->context)
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gst_vaapi_context_put_surface(proxy->context, proxy->surface);
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g_object_unref(proxy->surface);
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proxy->surface = NULL;
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}
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if (surface)
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proxy->surface = g_object_ref(surface);
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}
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/**
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* gst_vaapi_surface_proxy_get_timestamp:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the presentation timestamp of the #GstVaapiSurface held by @proxy.
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*
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* Return value: the presentation timestamp of the surface, or
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* %GST_CLOCK_TIME_NONE is none was set
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*/
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GstClockTime
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gst_vaapi_surface_proxy_get_timestamp(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy),
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GST_CLOCK_TIME_NONE);
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return proxy->timestamp;
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}
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/**
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* gst_vaapi_surface_proxy_set_timestamp:
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* @proxy: a #GstVaapiSurfaceProxy
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* @timestamp: the new presentation timestamp as a #GstClockTime
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*
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* Sets the presentation timestamp of the @proxy surface to @timestamp.
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*/
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void
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gst_vaapi_surface_proxy_set_timestamp(
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GstVaapiSurfaceProxy *proxy,
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GstClockTime timestamp
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)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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proxy->timestamp = timestamp;
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}
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/**
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* gst_vaapi_surface_proxy_get_duration:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the presentation duration of the #GstVaapiSurface held by @proxy.
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*
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* Return value: the presentation duration of the surface, or
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* %GST_CLOCK_TIME_NONE is none was set
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*/
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GstClockTime
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gst_vaapi_surface_proxy_get_duration(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy),
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GST_CLOCK_TIME_NONE);
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return proxy->duration;
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}
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/**
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* gst_vaapi_surface_proxy_set_duration:
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* @proxy: a #GstVaapiSurfaceProxy
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* @duration: the presentation duration of this surface as a #GstClockTime
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*
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* Sets the presentation duration of the @proxy surface to @duration.
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*/
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void
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gst_vaapi_surface_proxy_set_duration(
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GstVaapiSurfaceProxy *proxy,
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GstClockTime duration
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)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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proxy->duration = duration;
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}
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/**
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* gst_vaapi_surface_proxy_get_interlaced:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns whether the @proxy holds an interlaced #GstVaapiSurface or not.
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*
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* Return value: %TRUE if the underlying surface is interlaced, %FALSE
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* otherwise.
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*/
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gboolean
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gst_vaapi_surface_proxy_get_interlaced(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), FALSE);
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return proxy->is_interlaced;
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}
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/**
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* gst_vaapi_surface_proxy_set_interlaced:
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* @proxy: a #GstVaapiSurfaceProxy
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* @b: a boolean value
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*
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* Sets whether the underlying #GstVaapiSurface for @proxy is interlaced
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* or not.
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*/
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void
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gst_vaapi_surface_proxy_set_interlaced(GstVaapiSurfaceProxy *proxy, gboolean b)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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proxy->is_interlaced = b;
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}
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/**
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* gst_vaapi_surface_proxy_get_tff:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the TFF flag of the #GstVaapiSurface held by @proxy.
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*
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* Return value: the TFF flag of the surface
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*/
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gboolean
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gst_vaapi_surface_proxy_get_tff(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), FALSE);
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return proxy->is_interlaced && proxy->tff;
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}
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/**
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* gst_vaapi_surface_proxy_set_tff:
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* @proxy: a #GstVaapiSurfaceProxy
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* @tff: the new value of the TFF flag
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*
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* Sets the TFF flag of the @proxy surface to @tff.
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*/
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void
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gst_vaapi_surface_proxy_set_tff(GstVaapiSurfaceProxy *proxy, gboolean tff)
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{
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g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
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proxy->tff = tff;
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}
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