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c17c1346ee
That's equivalent to glupload and gldownload elements but for d3d11
256 lines
7.3 KiB
C
256 lines
7.3 KiB
C
/* GStreamer
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* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "gstd3d11basefilter.h"
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#include "gstd3d11utils.h"
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#include "gstd3d11device.h"
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#include "gstd3d11bufferpool.h"
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#include "gstd3d11memory.h"
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GST_DEBUG_CATEGORY_STATIC (gst_d3d11_base_filter_debug);
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#define GST_CAT_DEFAULT gst_d3d11_base_filter_debug
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enum
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{
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PROP_0,
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PROP_ADAPTER,
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};
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#define DEFAULT_ADAPTER -1
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#define gst_d3d11_base_filter_parent_class parent_class
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstD3D11BaseFilter, gst_d3d11_base_filter,
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GST_TYPE_BASE_TRANSFORM, GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT,
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"d3d11basefilter", 0, "d3d11 basefilter"));
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static void gst_d3d11_base_filter_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_d3d11_base_filter_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_d3d11_base_filter_dispose (GObject * object);
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static void gst_d3d11_base_filter_set_context (GstElement * element,
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GstContext * context);
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static gboolean gst_d3d11_base_filter_start (GstBaseTransform * trans);
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static gboolean gst_d3d11_base_filter_stop (GstBaseTransform * trans);
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static gboolean gst_d3d11_base_filter_set_caps (GstBaseTransform * trans,
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GstCaps * incaps, GstCaps * outcaps);
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static gboolean gst_d3d11_base_filter_get_unit_size (GstBaseTransform * trans,
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GstCaps * caps, gsize * size);
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static gboolean
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gst_d3d11_base_filter_query (GstBaseTransform * trans,
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GstPadDirection direction, GstQuery * query);
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static void
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gst_d3d11_base_filter_class_init (GstD3D11BaseFilterClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
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gobject_class->set_property = gst_d3d11_base_filter_set_property;
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gobject_class->get_property = gst_d3d11_base_filter_get_property;
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gobject_class->dispose = gst_d3d11_base_filter_dispose;
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g_object_class_install_property (gobject_class, PROP_ADAPTER,
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g_param_spec_int ("adapter", "Adapter",
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"Adapter index for creating device (-1 for default)",
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-1, G_MAXINT32, DEFAULT_ADAPTER,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
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G_PARAM_STATIC_STRINGS));
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element_class->set_context =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_filter_set_context);
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trans_class->passthrough_on_same_caps = TRUE;
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trans_class->start = GST_DEBUG_FUNCPTR (gst_d3d11_base_filter_start);
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trans_class->stop = GST_DEBUG_FUNCPTR (gst_d3d11_base_filter_stop);
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_d3d11_base_filter_set_caps);
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trans_class->get_unit_size =
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GST_DEBUG_FUNCPTR (gst_d3d11_base_filter_get_unit_size);
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trans_class->query = GST_DEBUG_FUNCPTR (gst_d3d11_base_filter_query);
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}
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static void
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gst_d3d11_base_filter_init (GstD3D11BaseFilter * filter)
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{
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filter->adapter = DEFAULT_ADAPTER;
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}
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static void
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gst_d3d11_base_filter_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (object);
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switch (prop_id) {
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case PROP_ADAPTER:
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filter->adapter = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_d3d11_base_filter_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (object);
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switch (prop_id) {
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case PROP_ADAPTER:
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g_value_set_int (value, filter->adapter);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_d3d11_base_filter_dispose (GObject * object)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (object);
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gst_clear_object (&filter->device);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gst_d3d11_base_filter_set_context (GstElement * element, GstContext * context)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (element);
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gst_d3d11_handle_set_context (element,
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context, filter->adapter, &filter->device);
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GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
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}
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static gboolean
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gst_d3d11_base_filter_start (GstBaseTransform * trans)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
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if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (filter),
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filter->adapter, &filter->device)) {
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GST_ERROR_OBJECT (filter, "Failed to get D3D11 device");
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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gst_d3d11_base_filter_stop (GstBaseTransform * trans)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
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gst_clear_object (&filter->device);
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return TRUE;
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}
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static gboolean
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gst_d3d11_base_filter_set_caps (GstBaseTransform * trans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
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GstVideoInfo in_info, out_info;
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GstD3D11BaseFilterClass *klass;
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gboolean res;
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if (!filter->device) {
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GST_ERROR_OBJECT (filter, "No available D3D11 device");
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return FALSE;
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}
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/* input caps */
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if (!gst_video_info_from_caps (&in_info, incaps))
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goto invalid_caps;
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/* output caps */
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if (!gst_video_info_from_caps (&out_info, outcaps))
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goto invalid_caps;
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klass = GST_D3D11_BASE_FILTER_GET_CLASS (filter);
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if (klass->set_info)
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res = klass->set_info (filter, incaps, &in_info, outcaps, &out_info);
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else
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res = TRUE;
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if (res) {
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filter->in_info = in_info;
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filter->out_info = out_info;
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}
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return res;
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/* ERRORS */
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invalid_caps:
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{
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GST_ERROR_OBJECT (filter, "invalid caps");
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return FALSE;
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}
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}
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static gboolean
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gst_d3d11_base_filter_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
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gsize * size)
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{
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gboolean ret = FALSE;
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GstVideoInfo info;
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ret = gst_video_info_from_caps (&info, caps);
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if (ret)
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*size = GST_VIDEO_INFO_SIZE (&info);
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return TRUE;
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}
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static gboolean
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gst_d3d11_base_filter_query (GstBaseTransform * trans,
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GstPadDirection direction, GstQuery * query)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CONTEXT:
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{
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gboolean ret;
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ret = gst_d3d11_handle_context_query (GST_ELEMENT (filter), query,
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filter->device);
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if (ret)
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return TRUE;
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break;
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}
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default:
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break;
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}
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return GST_BASE_TRANSFORM_CLASS (parent_class)->query (trans, direction,
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query);
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}
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