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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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6e30cbb3fc
Add new video composition element which is equivalent to compositor and glvideomixer elements. When d3d11 decoder elements are used, d3d11compositor can do efficient graphics memory handling (zero copying or at least copying memory on GPU memory space). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1323>
214 lines
6.9 KiB
C
214 lines
6.9 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 "gstd3d11config.h"
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#include <gst/gst.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 "gstd3d11colorconvert.h"
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#include "gstd3d11videosinkbin.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 "gstd3d11utils.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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#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_colorconverter_debug);
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GST_DEBUG_CATEGORY (gst_d3d11_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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#if (HAVE_D3D11SDKLAYERS_H || HAVE_DXGIDEBUG_H)
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GST_DEBUG_CATEGORY (gst_d3d11_debug_layer_debug);
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#endif
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#ifdef HAVE_DXVA_H
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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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#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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GstD3D11Device *device = NULL;
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GstRank video_sink_rank = GST_RANK_NONE;
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/**
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* plugin-d3d11:
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*
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* Since: 1.18
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*/
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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_colorconverter_debug,
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"d3d11colorconverter", 0, "d3d11colorconverter");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_utils_debug,
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"d3d11utils", 0, "d3d11 utility functions");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_format_debug,
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"d3d11format", 0, "d3d11 specific formats");
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_device_debug,
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"d3d11device", 0, "d3d11 device object");
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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 (HAVE_D3D11SDKLAYERS_H || HAVE_DXGIDEBUG_H)
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/* NOTE: enabled only for debug build */
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_debug_layer_debug,
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"d3d11debuglayer", 0, "native d3d11 and dxgi debug");
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#endif
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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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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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"d3d11videosinkelement", GST_RANK_NONE, GST_TYPE_D3D11_VIDEO_SINK);
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device = gst_d3d11_device_new (0);
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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 (device) {
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D3D_FEATURE_LEVEL feature_level = D3D_FEATURE_LEVEL_10_0;
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feature_level = gst_d3d11_device_get_chosen_feature_level (device);
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if (feature_level >= D3D_FEATURE_LEVEL_10_0)
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video_sink_rank = GST_RANK_PRIMARY;
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}
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gst_element_register (plugin,
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"d3d11videosink", video_sink_rank, GST_TYPE_D3D11_VIDEO_SINK_BIN);
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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_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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gint i = 0;
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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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do {
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GstD3D11Decoder *decoder = NULL;
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gboolean legacy;
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gboolean hardware;
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if (!device)
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device = gst_d3d11_device_new (i);
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if (!device)
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break;
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g_object_get (device, "hardware", &hardware, NULL);
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if (!hardware)
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goto clear;
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decoder = gst_d3d11_decoder_new (device);
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if (!decoder)
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goto clear;
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legacy = gst_d3d11_decoder_util_is_legacy_device (device);
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gst_d3d11_h264_dec_register (plugin,
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device, decoder, GST_RANK_SECONDARY, legacy);
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if (!legacy) {
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gst_d3d11_h265_dec_register (plugin, device, decoder,
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GST_RANK_SECONDARY);
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gst_d3d11_vp9_dec_register (plugin, device, decoder,
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GST_RANK_SECONDARY);
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gst_d3d11_vp8_dec_register (plugin, device, decoder,
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GST_RANK_SECONDARY);
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}
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clear:
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gst_clear_object (&device);
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gst_clear_object (&decoder);
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i++;
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} while (1);
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}
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#endif
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gst_clear_object (&device);
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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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