mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-17 13:56:32 +00:00
70c96cf0dd
At the moment, d3d11 plugin doesn't support texture sharing between different device Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2191>
558 lines
17 KiB
C++
558 lines
17 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:element-d3d11upload
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* @title: d3d11upload
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*
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* Upload video frame to Direct3D11 texture memory
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*
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* ## Example launch line
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* ```
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* gst-launch-1.0 videotestsrc ! d3d11upload ! d3d11videosinkelement
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* ```
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* This pipeline will upload video test frame (system memory) into Direct3D11
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* textures and d3d11videosinkelement will display frames on screen.
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*
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* Since: 1.18
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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 "gstd3d11upload.h"
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#include <string.h>
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GST_DEBUG_CATEGORY_STATIC (gst_d3d11_upload_debug);
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#define GST_CAT_DEFAULT gst_d3d11_upload_debug
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static GstStaticCaps sink_template_caps =
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_D3D11_ALL_FORMATS) "; "
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES
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(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY ","
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GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
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GST_D3D11_ALL_FORMATS) "; "
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
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GST_D3D11_ALL_FORMATS) ";"
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY
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"," GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
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GST_D3D11_ALL_FORMATS));
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static GstStaticCaps src_template_caps =
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
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(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, GST_D3D11_ALL_FORMATS) "; "
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES
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(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY ","
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GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
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GST_D3D11_ALL_FORMATS) ";"
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GST_VIDEO_CAPS_MAKE (GST_D3D11_ALL_FORMATS) "; "
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GST_VIDEO_CAPS_MAKE_WITH_FEATURES
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(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY ","
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GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
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GST_D3D11_ALL_FORMATS));
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struct _GstD3D11Upload
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{
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GstD3D11BaseFilter parent;
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GstBuffer *staging_buffer;
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};
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#define gst_d3d11_upload_parent_class parent_class
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G_DEFINE_TYPE (GstD3D11Upload, gst_d3d11_upload, GST_TYPE_D3D11_BASE_FILTER);
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static void gst_d3d11_upload_dispose (GObject * object);
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static gboolean gst_d3d11_upload_stop (GstBaseTransform * trans);
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static gboolean gst_d3d11_upload_sink_event (GstBaseTransform * trans,
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GstEvent * event);
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static GstCaps *gst_d3d11_upload_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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static gboolean gst_d3d11_upload_propose_allocation (GstBaseTransform * trans,
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GstQuery * decide_query, GstQuery * query);
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static gboolean gst_d3d11_upload_decide_allocation (GstBaseTransform * trans,
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GstQuery * query);
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static GstFlowReturn gst_d3d11_upload_transform (GstBaseTransform * trans,
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GstBuffer * inbuf, GstBuffer * outbuf);
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static gboolean gst_d3d11_upload_set_info (GstD3D11BaseFilter * filter,
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GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
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GstVideoInfo * out_info);
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static void
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gst_d3d11_upload_class_init (GstD3D11UploadClass * 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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GstD3D11BaseFilterClass *bfilter_class = GST_D3D11_BASE_FILTER_CLASS (klass);
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GstCaps *caps;
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gobject_class->dispose = gst_d3d11_upload_dispose;
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caps = gst_d3d11_get_updated_template_caps (&sink_template_caps);
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gst_element_class_add_pad_template (element_class,
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gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps));
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gst_caps_unref (caps);
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caps = gst_d3d11_get_updated_template_caps (&src_template_caps);
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gst_element_class_add_pad_template (element_class,
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps));
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gst_caps_unref (caps);
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gst_element_class_set_static_metadata (element_class,
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"Direct3D11 uploader", "Filter/Video",
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"Uploads data into Direct3D11 texture memory",
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"Seungha Yang <seungha.yang@navercorp.com>");
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trans_class->passthrough_on_same_caps = TRUE;
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trans_class->stop = GST_DEBUG_FUNCPTR (gst_d3d11_upload_stop);
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trans_class->sink_event = GST_DEBUG_FUNCPTR (gst_d3d11_upload_sink_event);
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trans_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_d3d11_upload_transform_caps);
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trans_class->propose_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_upload_propose_allocation);
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trans_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_upload_decide_allocation);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_d3d11_upload_transform);
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bfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_d3d11_upload_set_info);
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_upload_debug,
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"d3d11upload", 0, "d3d11upload Element");
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}
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static void
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gst_d3d11_upload_init (GstD3D11Upload * upload)
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{
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}
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static void
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gst_d3d11_upload_dispose (GObject * object)
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{
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GstD3D11Upload *self = GST_D3D11_UPLOAD (object);
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gst_clear_buffer (&self->staging_buffer);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static gboolean
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gst_d3d11_upload_stop (GstBaseTransform * trans)
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{
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GstD3D11Upload *self = GST_D3D11_UPLOAD (trans);
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gst_clear_buffer (&self->staging_buffer);
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return GST_BASE_TRANSFORM_CLASS (parent_class)->stop (trans);
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}
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static gboolean
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gst_d3d11_upload_sink_event (GstBaseTransform * trans, GstEvent * event)
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{
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GstD3D11Upload *self = GST_D3D11_UPLOAD (trans);
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:
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/* We don't need to hold this staging buffer after eos */
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gst_clear_buffer (&self->staging_buffer);
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break;
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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)->sink_event (trans, event);
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}
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static GstCaps *
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_set_caps_features (const GstCaps * caps, const gchar * feature_name)
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{
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guint i, j, m, n;
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GstCaps *tmp;
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GstCapsFeatures *overlay_feature =
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gst_caps_features_from_string
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(GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION);
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tmp = gst_caps_new_empty ();
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n = gst_caps_get_size (caps);
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for (i = 0; i < n; i++) {
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GstCapsFeatures *features, *orig_features;
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GstStructure *s = gst_caps_get_structure (caps, i);
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orig_features = gst_caps_get_features (caps, i);
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features = gst_caps_features_new (feature_name, NULL);
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if (gst_caps_features_is_any (orig_features)) {
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gst_caps_append_structure_full (tmp, gst_structure_copy (s),
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gst_caps_features_copy (features));
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if (!gst_caps_features_contains (features,
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GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION))
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gst_caps_features_add (features,
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GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION);
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} else {
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m = gst_caps_features_get_size (orig_features);
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for (j = 0; j < m; j++) {
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const gchar *feature = gst_caps_features_get_nth (orig_features, j);
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/* if we already have the features */
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if (gst_caps_features_contains (features, feature))
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continue;
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if (g_strcmp0 (feature, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY) == 0)
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continue;
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if (gst_caps_features_contains (overlay_feature, feature)) {
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gst_caps_features_add (features, feature);
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}
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}
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}
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gst_caps_append_structure_full (tmp, gst_structure_copy (s), features);
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}
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gst_caps_features_free (overlay_feature);
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return tmp;
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}
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static GstCaps *
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gst_d3d11_upload_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter)
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{
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GstCaps *result, *tmp;
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GST_DEBUG_OBJECT (trans,
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"Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
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(direction == GST_PAD_SINK) ? "sink" : "src");
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if (direction == GST_PAD_SINK) {
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tmp = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY);
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tmp = gst_caps_merge (gst_caps_ref (caps), tmp);
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} else {
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GstCaps *newcaps;
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tmp = gst_caps_ref (caps);
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newcaps = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
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tmp = gst_caps_merge (tmp, newcaps);
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}
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if (filter) {
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result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (tmp);
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} else {
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result = tmp;
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}
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GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, result);
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return result;
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}
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static gboolean
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gst_d3d11_upload_propose_allocation (GstBaseTransform * trans,
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GstQuery * decide_query, GstQuery * query)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
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GstVideoInfo info;
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GstBufferPool *pool;
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GstCaps *caps;
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guint size;
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if (!GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
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decide_query, query))
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return FALSE;
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/* passthrough, we're done */
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if (decide_query == NULL)
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return TRUE;
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gst_query_parse_allocation (query, &caps, NULL);
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if (caps == NULL)
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return FALSE;
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if (!gst_video_info_from_caps (&info, caps))
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return FALSE;
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if (gst_query_get_n_allocation_pools (query) == 0) {
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GstCapsFeatures *features;
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GstStructure *config;
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gboolean is_d3d11 = FALSE;
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features = gst_caps_get_features (caps, 0);
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if (features && gst_caps_features_contains (features,
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GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
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GST_DEBUG_OBJECT (filter, "upstream support d3d11 memory");
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pool = gst_d3d11_buffer_pool_new (filter->device);
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is_d3d11 = TRUE;
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} else {
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pool = gst_video_buffer_pool_new ();
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}
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_add_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_META);
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/* d3d11 pool does not support video alignment */
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if (!is_d3d11) {
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gst_buffer_pool_config_add_option (config,
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GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
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}
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size = GST_VIDEO_INFO_SIZE (&info);
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gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
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if (!gst_buffer_pool_set_config (pool, config))
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goto config_failed;
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/* d3d11 buffer pool might update buffer size by self */
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if (is_d3d11)
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size = GST_D3D11_BUFFER_POOL (pool)->buffer_size;
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gst_query_add_allocation_pool (query, pool, size, 0, 0);
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gst_object_unref (pool);
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}
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gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
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gst_query_add_allocation_meta (query,
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GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
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return TRUE;
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/* ERRORS */
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config_failed:
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{
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GST_ERROR_OBJECT (filter, "failed to set config");
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gst_object_unref (pool);
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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_upload_decide_allocation (GstBaseTransform * trans, GstQuery * query)
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{
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GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
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GstCaps *outcaps = NULL;
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GstBufferPool *pool = NULL;
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guint size, min, max;
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GstStructure *config;
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gboolean update_pool = FALSE;
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GstVideoInfo vinfo;
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const GstD3D11Format *d3d11_format;
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GstD3D11AllocationParams *d3d11_params;
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guint bind_flags = 0;
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guint i;
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DXGI_FORMAT dxgi_format = DXGI_FORMAT_UNKNOWN;
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UINT supported = 0;
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HRESULT hr;
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ID3D11Device *device_handle;
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gst_query_parse_allocation (query, &outcaps, NULL);
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if (!outcaps)
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return FALSE;
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gst_video_info_from_caps (&vinfo, outcaps);
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d3d11_format = gst_d3d11_device_format_from_gst (filter->device,
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GST_VIDEO_INFO_FORMAT (&vinfo));
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if (!d3d11_format) {
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GST_ERROR_OBJECT (filter, "Unknown format caps %" GST_PTR_FORMAT, outcaps);
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return FALSE;
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}
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if (d3d11_format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
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dxgi_format = d3d11_format->resource_format[0];
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} else {
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dxgi_format = d3d11_format->dxgi_format;
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}
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device_handle = gst_d3d11_device_get_device_handle (filter->device);
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hr = device_handle->CheckFormatSupport (dxgi_format, &supported);
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if (gst_d3d11_result (hr, filter->device)) {
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if ((supported & D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) ==
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D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) {
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bind_flags |= D3D11_BIND_SHADER_RESOURCE;
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}
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if ((supported & D3D11_FORMAT_SUPPORT_RENDER_TARGET) ==
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D3D11_FORMAT_SUPPORT_RENDER_TARGET) {
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bind_flags |= D3D11_BIND_RENDER_TARGET;
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}
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}
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if (gst_query_get_n_allocation_pools (query) > 0) {
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gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
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if (pool) {
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if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
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gst_clear_object (&pool);
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} else {
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GstD3D11BufferPool *dpool = GST_D3D11_BUFFER_POOL (pool);
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if (dpool->device != filter->device)
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gst_clear_object (&pool);
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}
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}
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update_pool = TRUE;
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} else {
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size = GST_VIDEO_INFO_SIZE (&vinfo);
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min = max = 0;
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}
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if (!pool) {
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GST_DEBUG_OBJECT (trans, "create our pool");
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pool = gst_d3d11_buffer_pool_new (filter->device);
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}
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
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gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
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d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
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if (!d3d11_params) {
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d3d11_params = gst_d3d11_allocation_params_new (filter->device, &vinfo,
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(GstD3D11AllocationFlags) 0, bind_flags);
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} else {
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/* Set bind flag */
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for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&vinfo); i++) {
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d3d11_params->desc[i].BindFlags |= bind_flags;
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}
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|
}
|
|
|
|
gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
|
|
gst_d3d11_allocation_params_free (d3d11_params);
|
|
|
|
gst_buffer_pool_set_config (pool, config);
|
|
|
|
/* update size with calculated one */
|
|
size = GST_D3D11_BUFFER_POOL (pool)->buffer_size;
|
|
|
|
if (update_pool)
|
|
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
|
|
else
|
|
gst_query_add_allocation_pool (query, pool, size, min, max);
|
|
|
|
gst_object_unref (pool);
|
|
|
|
return GST_BASE_TRANSFORM_CLASS (parent_class)->decide_allocation (trans,
|
|
query);
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_upload_can_use_staging_buffer (GstD3D11Upload * self,
|
|
GstBuffer * outbuf)
|
|
{
|
|
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (self);
|
|
ID3D11Device *device_handle =
|
|
gst_d3d11_device_get_device_handle (filter->device);
|
|
|
|
if (!gst_d3d11_buffer_can_access_device (outbuf, device_handle))
|
|
return FALSE;
|
|
|
|
if (self->staging_buffer)
|
|
return TRUE;
|
|
|
|
self->staging_buffer = gst_d3d11_allocate_staging_buffer_for (outbuf,
|
|
&filter->out_info, TRUE);
|
|
|
|
if (!self->staging_buffer) {
|
|
GST_WARNING_OBJECT (self, "Couldn't allocate staging buffer");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_upload_transform (GstBaseTransform * trans, GstBuffer * inbuf,
|
|
GstBuffer * outbuf)
|
|
{
|
|
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
|
|
GstD3D11Upload *self = GST_D3D11_UPLOAD (trans);
|
|
GstVideoFrame in_frame, out_frame;
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
gboolean use_staging_buf;
|
|
GstBuffer *target_outbuf = outbuf;
|
|
guint i;
|
|
|
|
use_staging_buf = gst_d3d11_upload_can_use_staging_buffer (self, outbuf);
|
|
|
|
if (use_staging_buf) {
|
|
GST_TRACE_OBJECT (self, "Copy input buffer to staging buffer");
|
|
target_outbuf = self->staging_buffer;
|
|
}
|
|
|
|
if (!gst_video_frame_map (&in_frame, &filter->in_info, inbuf,
|
|
(GstMapFlags) (GST_MAP_READ | GST_VIDEO_FRAME_MAP_FLAG_NO_REF)))
|
|
goto invalid_buffer;
|
|
|
|
if (!gst_video_frame_map (&out_frame, &filter->out_info, target_outbuf,
|
|
(GstMapFlags) (GST_MAP_WRITE | GST_VIDEO_FRAME_MAP_FLAG_NO_REF))) {
|
|
gst_video_frame_unmap (&in_frame);
|
|
goto invalid_buffer;
|
|
}
|
|
|
|
for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (&in_frame); i++) {
|
|
if (!gst_video_frame_copy_plane (&out_frame, &in_frame, i)) {
|
|
GST_ERROR_OBJECT (filter, "Couldn't copy plane %d", i);
|
|
ret = GST_FLOW_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
|
|
gst_video_frame_unmap (&out_frame);
|
|
gst_video_frame_unmap (&in_frame);
|
|
|
|
/* Copy staging texture to d3d11 texture */
|
|
if (use_staging_buf) {
|
|
if (!gst_d3d11_buffer_copy_into (outbuf,
|
|
self->staging_buffer, &filter->out_info)) {
|
|
GST_ERROR_OBJECT (self, "Cannot copy staging texture into texture");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
invalid_buffer:
|
|
{
|
|
GST_ELEMENT_WARNING (filter, CORE, NOT_IMPLEMENTED, (NULL),
|
|
("invalid video buffer received"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_upload_set_info (GstD3D11BaseFilter * filter,
|
|
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
|
|
GstVideoInfo * out_info)
|
|
{
|
|
GstD3D11Upload *self = GST_D3D11_UPLOAD (filter);
|
|
|
|
gst_clear_buffer (&self->staging_buffer);
|
|
|
|
return TRUE;
|
|
}
|