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339 lines
9.6 KiB
C
339 lines
9.6 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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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2014 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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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 "gstvaapisurfaceproxy_priv.h"
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#include "gstvaapivideopool_priv.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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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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if (proxy->surface) {
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if (proxy->pool && !proxy->parent)
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gst_vaapi_video_pool_put_object(proxy->pool, proxy->surface);
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gst_vaapi_object_unref(proxy->surface);
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proxy->surface = NULL;
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}
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gst_vaapi_video_pool_replace(&proxy->pool, NULL);
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gst_vaapi_surface_proxy_replace(&proxy->parent, NULL);
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/* Notify the user function that the object is now destroyed */
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if (proxy->destroy_func)
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proxy->destroy_func(proxy->destroy_data);
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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_from_pool:
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* @pool: a #GstVaapiSurfacePool
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*
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* Allocates a new surface from the supplied surface @pool and creates
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* the wrapped surface proxy object from it. When the last reference
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* to the proxy object is released, then the underlying VA surface is
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* pushed back to its parent pool.
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*
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* Returns: The same newly allocated @proxy object, or %NULL on error
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*/
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GstVaapiSurfaceProxy *
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gst_vaapi_surface_proxy_new_from_pool(GstVaapiSurfacePool *pool)
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{
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GstVaapiSurfaceProxy *proxy;
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g_return_val_if_fail(pool != NULL, NULL);
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proxy = (GstVaapiSurfaceProxy *)
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gst_vaapi_mini_object_new(gst_vaapi_surface_proxy_class());
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if (!proxy)
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return NULL;
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proxy->parent = NULL;
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proxy->destroy_func = NULL;
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proxy->pool = gst_vaapi_video_pool_ref(pool);
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proxy->surface = gst_vaapi_video_pool_get_object(proxy->pool);
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if (!proxy->surface)
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goto error;
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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->has_crop_rect = FALSE;
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gst_vaapi_object_ref(proxy->surface);
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return proxy;
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error:
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gst_vaapi_surface_proxy_unref(proxy);
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return NULL;
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}
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/**
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* gst_vaapi_surface_proxy_copy:
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* @proxy: the parent #GstVaapiSurfaceProxy
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*
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* Creates are new VA surface proxy object from the supplied parent
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* @proxy object with the same initial information, e.g. timestamp,
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* duration.
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*
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* Note: the destroy notify function is not copied into the new
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* surface proxy object.
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*
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* Returns: The same newly allocated @proxy object, or %NULL on error
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*/
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GstVaapiSurfaceProxy *
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gst_vaapi_surface_proxy_copy(GstVaapiSurfaceProxy *proxy)
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{
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GstVaapiSurfaceProxy *copy;
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g_return_val_if_fail(proxy != NULL, NULL);
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copy = (GstVaapiSurfaceProxy *)
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gst_vaapi_mini_object_new(gst_vaapi_surface_proxy_class());
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if (!copy)
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return NULL;
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GST_VAAPI_SURFACE_PROXY_FLAGS(copy) =
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GST_VAAPI_SURFACE_PROXY_FLAGS(proxy);
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copy->parent = gst_vaapi_surface_proxy_ref(proxy->parent ?
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proxy->parent : proxy);
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copy->pool = gst_vaapi_video_pool_ref(proxy->pool);
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copy->surface = gst_vaapi_object_ref(proxy->surface);
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copy->timestamp = proxy->timestamp;
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copy->duration = proxy->duration;
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copy->destroy_func = NULL;
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copy->has_crop_rect = proxy->has_crop_rect;
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if (copy->has_crop_rect)
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copy->crop_rect = proxy->crop_rect;
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return copy;
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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(proxy != NULL, 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(proxy != NULL);
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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_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(proxy != NULL, NULL);
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return GST_VAAPI_SURFACE_PROXY_SURFACE(proxy);
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}
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/**
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* gst_vaapi_surface_proxy_get_flags:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the #GstVaapiSurfaceProxyFlags associated with this surface
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* @proxy.
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*
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* Return value: the set of #GstVaapiSurfaceProxyFlags
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*/
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guint
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gst_vaapi_surface_proxy_get_flags(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(proxy != NULL, 0);
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return GST_VAAPI_SURFACE_PROXY_FLAGS(proxy);
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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(proxy != NULL, VA_INVALID_ID);
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g_return_val_if_fail(proxy->surface != NULL, VA_INVALID_ID);
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return GST_VAAPI_SURFACE_PROXY_SURFACE_ID(proxy);
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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 for this surface @proxy.
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*
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* Return value: the presentation timestamp
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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(proxy != NULL, 0);
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return GST_VAAPI_SURFACE_PROXY_TIMESTAMP(proxy);
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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 for this surface @proxy.
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*
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* Return value: the presentation duration
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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(proxy != NULL, 0);
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return GST_VAAPI_SURFACE_PROXY_DURATION(proxy);
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}
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/**
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* gst_vaapi_surface_proxy_set_destroy_notify:
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* @proxy: a @GstVaapiSurfaceProxy
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* @destroy_func: a #GDestroyNotify function
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* @user_data: some extra data to pass to the @destroy_func function
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*
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* Sets @destroy_func as the function to call when the surface @proxy
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* was released. At this point, the proxy object is considered
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* released, i.e. the underlying data storage is no longer valid and
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* the callback function shall not expect anything from that.
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*/
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void
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gst_vaapi_surface_proxy_set_destroy_notify(GstVaapiSurfaceProxy *proxy,
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GDestroyNotify destroy_func, gpointer user_data)
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{
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g_return_if_fail(proxy != NULL);
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proxy->destroy_func = destroy_func;
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proxy->destroy_data = user_data;
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}
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/**
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* gst_vaapi_surface_proxy_get_crop_rect:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Returns the #GstVaapiRectangle stored in the @proxy and that
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* represents the cropping rectangle for the underlying surface to be
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* used for rendering.
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*
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* If no cropping rectangle was associated with the @proxy, then this
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* function returns %NULL.
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*
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* Return value: the #GstVaapiRectangle, or %NULL if none was
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* associated with the surface proxy
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*/
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const GstVaapiRectangle *
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gst_vaapi_surface_proxy_get_crop_rect(GstVaapiSurfaceProxy *proxy)
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{
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g_return_val_if_fail(proxy != NULL, NULL);
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return GST_VAAPI_SURFACE_PROXY_CROP_RECT(proxy);
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}
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/**
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* gst_vaapi_surface_proxy_set_crop_rect:
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* @proxy: #GstVaapiSurfaceProxy
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* @crop_rect: the #GstVaapiRectangle to be stored in @proxy
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*
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* Associates the @crop_rect with the @proxy
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*/
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void
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gst_vaapi_surface_proxy_set_crop_rect(GstVaapiSurfaceProxy *proxy,
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const GstVaapiRectangle *crop_rect)
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{
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g_return_if_fail(proxy != NULL);
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proxy->has_crop_rect = crop_rect != NULL;
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if (proxy->has_crop_rect)
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proxy->crop_rect = *crop_rect;
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}
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