mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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7fe08d8bed
Just skip doc for non-default decoder/deinterlacer elements since there are multiple element in case that system has multiple GPUs. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1360>
276 lines
9.8 KiB
C++
276 lines
9.8 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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/**
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* SECTION:plugin-d3d11
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*
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* Microsoft Direct3D11 plugin.
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*
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* This plugin consists of various video filter, screen capture source,
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* video sink, and video decoder elements.
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*
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* GstD3D11 plugin supports H.264/AVC, H.265/HEVC, VP8, VP9, H.262/MPEG-2 video,
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* and AV1 codecs for decoding as well as hardware-accelerated video
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* deinterlacing. Note that minimum required OS version for video decoder and
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* deinterlacing elements is Windows 8.
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*
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* Plugin feature names of decoders:
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* - d3d11h264dec
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* - d3d11h265dec
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* - d3d11vp8dec
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* - d3d11vp9dec
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* - d3d11mpeg2dec
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* - d3d11av1dec
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*
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* Similar to the video decoder case, deinterlacing element would be registered
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* only if its supported by hardware with the feature name `d3d11deinterlace`
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*
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* However, depending on the hardware it runs on, some elements might not be
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* registered in case that underlying hardware doesn't support the feature.
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* For a system with multiple Direct3D11 compatible hardwares (i.e., GPU),
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* there can be multiple plugin features having the same role.
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* The naming rule for the non-primary decoder element is
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* `d3d11{codec}device{index}dec` where `index` is an arbitrary index number of
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* hardware starting from 1.
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*
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* To get a list of all available elements, user can run
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* ```sh
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* gst-inspect-1.0.exe d3d11
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* ```
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*
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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 <gst/gst.h>
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#include <gst/d3d11/gstd3d11.h>
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#include "gstd3d11videosink.h"
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#include "gstd3d11upload.h"
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#include "gstd3d11download.h"
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#include "gstd3d11convert.h"
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#include "gstd3d11shader.h"
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#include "gstd3d11compositor.h"
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#include "gstd3d11compositorbin.h"
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#ifdef HAVE_DXVA_H
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#include "gstd3d11h264dec.h"
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#include "gstd3d11h265dec.h"
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#include "gstd3d11vp9dec.h"
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#include "gstd3d11vp8dec.h"
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#include "gstd3d11mpeg2dec.h"
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#include "gstd3d11av1dec.h"
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#endif
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#ifdef HAVE_DXGI_DESKTOP_DUP
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#include "gstd3d11screencapturesrc.h"
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#include "gstd3d11screencapturedevice.h"
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#endif
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#ifdef HAVE_D3D11_VIDEO_PROC
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#include "gstd3d11deinterlace.h"
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#endif
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GST_DEBUG_CATEGORY (gst_d3d11_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_shader_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_converter_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_plugin_utils_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_format_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_device_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_overlay_compositor_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_window_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_video_processor_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_compositor_debug);
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#ifdef HAVE_DXVA_H
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GST_DEBUG_CATEGORY (gst_d3d11_decoder_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_h264_dec_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_h265_dec_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_vp9_dec_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_vp8_dec_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_mpeg2_dec_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_av1_dec_debug);
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#endif
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#ifdef HAVE_DXGI_DESKTOP_DUP
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GST_DEBUG_CATEGORY (gst_d3d11_screen_capture_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_screen_capture_device_debug);
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#endif
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#ifdef HAVE_D3D11_VIDEO_PROC
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GST_DEBUG_CATEGORY (gst_d3d11_deinterlace_debug);
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#endif
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#define GST_CAT_DEFAULT gst_d3d11_debug
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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GstRank video_sink_rank = GST_RANK_PRIMARY;
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D3D_FEATURE_LEVEL max_feature_level = D3D_FEATURE_LEVEL_9_3;
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guint i;
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_debug, "d3d11", 0, "direct3d 11 plugin");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_shader_debug,
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"d3d11shader", 0, "d3d11shader");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_converter_debug,
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"d3d11converter", 0, "d3d11converter");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_plugin_utils_debug,
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"d3d11pluginutils", 0, "d3d11 plugin utility functions");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_overlay_compositor_debug,
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"d3d11overlaycompositor", 0, "d3d11overlaycompositor");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_window_debug,
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"d3d11window", 0, "d3d11window");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_video_processor_debug,
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"d3d11videoprocessor", 0, "d3d11videoprocessor");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_compositor_debug,
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"d3d11compositor", 0, "d3d11compositor element");
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if (!gst_d3d11_shader_init ()) {
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GST_WARNING ("Cannot initialize d3d11 shader");
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return TRUE;
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}
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#ifdef HAVE_DXVA_H
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/* DXVA2 API is availble since Windows 8 */
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if (gst_d3d11_is_windows_8_or_greater ()) {
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_decoder_debug,
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"d3d11decoder", 0, "Direct3D11 Video Decoder object");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_h264_dec_debug,
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"d3d11h264dec", 0, "Direct3D11 H.264 Video Decoder");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_vp9_dec_debug,
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"d3d11vp9dec", 0, "Direct3D11 VP9 Video Decoder");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_h265_dec_debug,
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"d3d11h265dec", 0, "Direct3D11 H.265 Video Decoder");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_vp8_dec_debug,
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"d3d11vp8dec", 0, "Direct3D11 VP8 Decoder");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_mpeg2_dec_debug,
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"d3d11mpeg2dec", 0, "Direct3D11 MPEG2 Decoder");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_av1_dec_debug,
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"d3d11av1dec", 0, "Direct3D11 AV1 Decoder");
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}
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#endif
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#ifdef HAVE_D3D11_VIDEO_PROC
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_deinterlace_debug,
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"d3d11deinterlace", 0, "Direct3D11 Deinterlacer");
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#endif
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/* Enumerate devices to register decoders per device and to get the highest
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* feature level */
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/* AMD seems supporting up to 12 cards, and 8 for NVIDIA */
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for (i = 0; i < 12; i++) {
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GstD3D11Device *device = NULL;
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ID3D11Device *device_handle;
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D3D_FEATURE_LEVEL feature_level;
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device = gst_d3d11_device_new (i, D3D11_CREATE_DEVICE_BGRA_SUPPORT);
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if (!device)
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break;
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device_handle = gst_d3d11_device_get_device_handle (device);
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feature_level = device_handle->GetFeatureLevel ();
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if (feature_level > max_feature_level)
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max_feature_level = feature_level;
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#ifdef HAVE_DXVA_H
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/* DXVA2 API is availble since Windows 8 */
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if (gst_d3d11_is_windows_8_or_greater () &&
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gst_d3d11_device_get_video_device_handle (device)) {
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gboolean legacy = gst_d3d11_decoder_util_is_legacy_device (device);
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gst_d3d11_h264_dec_register (plugin, device, GST_RANK_SECONDARY, legacy);
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if (!legacy) {
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gst_d3d11_h265_dec_register (plugin, device, GST_RANK_SECONDARY);
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gst_d3d11_vp9_dec_register (plugin, device, GST_RANK_SECONDARY);
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gst_d3d11_vp8_dec_register (plugin, device, GST_RANK_SECONDARY);
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gst_d3d11_mpeg2_dec_register (plugin, device, GST_RANK_SECONDARY);
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gst_d3d11_av1_dec_register (plugin, device, GST_RANK_SECONDARY);
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}
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}
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#endif
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#ifdef HAVE_D3D11_VIDEO_PROC
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/* D3D11 video processor API is availble since Windows 8 */
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if (gst_d3d11_is_windows_8_or_greater ()) {
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gboolean hardware;
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g_object_get (device, "hardware", &hardware, NULL);
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if (hardware)
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gst_d3d11_deinterlace_register (plugin, device, GST_RANK_MARGINAL);
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}
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#endif
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gst_object_unref (device);
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}
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/* FIXME: Our shader code is not compatible with D3D_FEATURE_LEVEL_9_3
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* or lower. So HLSL compiler cannot understand our shader code and
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* therefore d3d11colorconverter cannot be configured.
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*
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* Known D3D_FEATURE_LEVEL_9_3 driver is
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* "VirtualBox Graphics Adapter (WDDM)"
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* ... and there might be some more old physical devices which don't support
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* D3D_FEATURE_LEVEL_10_0.
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*/
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if (max_feature_level < D3D_FEATURE_LEVEL_10_0)
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video_sink_rank = GST_RANK_NONE;
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gst_d3d11_plugin_utils_init (max_feature_level);
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gst_element_register (plugin,
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"d3d11upload", GST_RANK_NONE, GST_TYPE_D3D11_UPLOAD);
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gst_element_register (plugin,
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"d3d11download", GST_RANK_NONE, GST_TYPE_D3D11_DOWNLOAD);
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gst_element_register (plugin,
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"d3d11convert", GST_RANK_NONE, GST_TYPE_D3D11_CONVERT);
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gst_element_register (plugin,
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"d3d11colorconvert", GST_RANK_NONE, GST_TYPE_D3D11_COLOR_CONVERT);
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gst_element_register (plugin,
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"d3d11scale", GST_RANK_NONE, GST_TYPE_D3D11_SCALE);
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gst_element_register (plugin,
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"d3d11videosink", video_sink_rank, GST_TYPE_D3D11_VIDEO_SINK);
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gst_element_register (plugin,
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"d3d11compositorelement", GST_RANK_NONE, GST_TYPE_D3D11_COMPOSITOR);
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gst_element_register (plugin,
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"d3d11compositor", GST_RANK_SECONDARY, GST_TYPE_D3D11_COMPOSITOR_BIN);
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#ifdef HAVE_DXGI_DESKTOP_DUP
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if (gst_d3d11_is_windows_8_or_greater ()) {
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_screen_capture_debug,
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"d3d11screencapturesrc", 0, "d3d11screencapturesrc");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_screen_capture_device_debug,
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"d3d11screencapturedevice", 0, "d3d11screencapturedevice");
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gst_element_register (plugin,
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"d3d11screencapturesrc", GST_RANK_NONE,
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GST_TYPE_D3D11_SCREEN_CAPTURE_SRC);
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gst_device_provider_register (plugin,
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"d3d11screencapturedeviceprovider", GST_RANK_PRIMARY,
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GST_TYPE_D3D11_SCREEN_CAPTURE_DEVICE_PROVIDER);
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}
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#endif
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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d3d11,
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"Direct3D11 plugin",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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