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Use consistent memory layout between dxva and other shader use case. For example, use DXGI_FORMAT_NV12 texture format instead of two textures with DXGI_FORMAT_R8_UNORM and DXGI_FORMAT_R8G8_UNORM.
861 lines
26 KiB
C
861 lines
26 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2005-2012 David Schleef <ds@schleef.org>
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* Copyright (C) 2012-2014 Matthew Waters <ystree00@gmail.com>
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* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
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* Copyright (C) <2019> Jeongki Kim <jeongki.kim@jeongki.kim>
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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-d3d11colorconvert
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* @title: d3d11colorconvert
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*
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* Convert video frames between supported video formats.
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*
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* ## Example launch line
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* |[
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* gst-launch-1.0 -v videotestsrc ! video/x-raw,format=NV12 ! d3d11upload ! d3d11videocolorconvert ! d3d11videosink
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* ]|
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* This will output a test video (generated in NV12 format) in a video
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* window. If the video sink selected does not support NV12
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* d3d11colorconvert will automatically convert the video to a format understood
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* by the video sink.
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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 "gstd3d11colorconvert.h"
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#include "gstd3d11utils.h"
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#include "gstd3d11memory.h"
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#include "gstd3d11device.h"
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#include "gstd3d11bufferpool.h"
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GST_DEBUG_CATEGORY_STATIC (gst_d3d11_color_convert_debug);
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#define GST_CAT_DEFAULT gst_d3d11_color_convert_debug
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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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_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_FORMATS))
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);
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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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_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_FORMATS))
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);
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#define gst_d3d11_color_convert_parent_class parent_class
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G_DEFINE_TYPE (GstD3D11ColorConvert,
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gst_d3d11_color_convert, GST_TYPE_D3D11_BASE_FILTER);
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static void gst_d3d11_color_convert_dispose (GObject * object);
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static GstCaps *gst_d3d11_color_convert_transform_caps (GstBaseTransform *
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trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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static GstCaps *gst_d3d11_color_convert_fixate_caps (GstBaseTransform *
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base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
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static gboolean gst_d3d11_color_convert_filter_meta (GstBaseTransform * trans,
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GstQuery * query, GType api, const GstStructure * params);
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static gboolean
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gst_d3d11_color_convert_propose_allocation (GstBaseTransform * trans,
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GstQuery * decide_query, GstQuery * query);
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static gboolean
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gst_d3d11_color_convert_decide_allocation (GstBaseTransform * trans,
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GstQuery * query);
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static GstFlowReturn gst_d3d11_color_convert_transform (GstBaseTransform *
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trans, GstBuffer * inbuf, GstBuffer * outbuf);
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static gboolean gst_d3d11_color_convert_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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/* copies the given caps */
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static GstCaps *
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gst_d3d11_color_convert_caps_remove_format_info (GstCaps * caps)
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{
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GstStructure *st;
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GstCapsFeatures *f;
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gint i, n;
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GstCaps *res;
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GstCapsFeatures *feature =
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY);
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res = 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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st = gst_caps_get_structure (caps, i);
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f = gst_caps_get_features (caps, i);
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/* If this is already expressed by the existing caps
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* skip this structure */
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if (i > 0 && gst_caps_is_subset_structure_full (res, st, f))
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continue;
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st = gst_structure_copy (st);
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/* Only remove format info for the cases when we can actually convert */
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if (!gst_caps_features_is_any (f)
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&& gst_caps_features_is_equal (f, feature))
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gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site",
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NULL);
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gst_caps_append_structure_full (res, st, gst_caps_features_copy (f));
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}
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gst_caps_features_free (feature);
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return res;
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}
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static void
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gst_d3d11_color_convert_class_init (GstD3D11ColorConvertClass * 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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gobject_class->dispose = gst_d3d11_color_convert_dispose;
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gst_element_class_add_static_pad_template (element_class, &sink_template);
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gst_element_class_add_static_pad_template (element_class, &src_template);
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gst_element_class_set_static_metadata (element_class,
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"Direct3D11 Colorspace converter",
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"Filter/Converter/Video/Hardware",
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"Converts video from one colorspace to another using D3D11",
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"Seungha Yang <seungha.yang@navercorp.com>, "
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"Jeongki Kim <jeongki.kim@jeongki.kim>");
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trans_class->passthrough_on_same_caps = TRUE;
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trans_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_transform_caps);
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trans_class->fixate_caps =
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GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_fixate_caps);
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trans_class->filter_meta =
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GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_filter_meta);
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trans_class->propose_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_propose_allocation);
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trans_class->decide_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_decide_allocation);
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trans_class->transform =
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GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_transform);
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bfilter_class->set_info =
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GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_set_info);
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GST_DEBUG_CATEGORY_INIT (gst_d3d11_color_convert_debug,
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"d3d11colorconvert", 0, "Video Colorspace Convert via D3D11");
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}
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static void
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gst_d3d11_color_convert_init (GstD3D11ColorConvert * self)
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{
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}
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static void
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gst_d3d11_color_convert_clear_shader_resource (GstD3D11ColorConvert * self)
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{
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gint i;
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for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
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if (self->shader_resource_view[i]) {
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ID3D11ShaderResourceView_Release (self->shader_resource_view[i]);
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self->shader_resource_view[i] = NULL;
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}
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if (self->render_target_view[i]) {
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ID3D11RenderTargetView_Release (self->render_target_view[i]);
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self->render_target_view[i] = NULL;
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}
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}
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self->num_input_view = 0;
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self->num_output_view = 0;
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for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
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if (self->in_texture[i]) {
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ID3D11Texture2D_Release (self->in_texture[i]);
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self->in_texture[i] = NULL;
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}
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if (self->out_texture[i]) {
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ID3D11Texture2D_Release (self->out_texture[i]);
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self->out_texture[i] = NULL;
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}
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}
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if (self->converter)
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gst_d3d11_color_converter_free (self->converter);
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self->converter = NULL;
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}
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static void
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gst_d3d11_color_convert_dispose (GObject * object)
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{
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GstD3D11ColorConvert *self = GST_D3D11_COLOR_CONVERT (object);
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gst_d3d11_color_convert_clear_shader_resource (self);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static GstCaps *
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gst_d3d11_color_convert_transform_caps (GstBaseTransform *
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trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter)
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{
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GstCaps *tmp, *tmp2;
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GstCaps *result;
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/* Get all possible caps that we can transform to */
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tmp = gst_d3d11_color_convert_caps_remove_format_info (caps);
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if (filter) {
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tmp2 = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (tmp);
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tmp = tmp2;
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}
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result = tmp;
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GST_DEBUG_OBJECT (trans, "transformed %" GST_PTR_FORMAT " into %"
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GST_PTR_FORMAT, caps, result);
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return result;
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}
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static GstCaps *
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gst_d3d11_color_convert_fixate_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
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{
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GstCaps *result;
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GST_DEBUG_OBJECT (trans, "trying to fixate othercaps %" GST_PTR_FORMAT
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" based on caps %" GST_PTR_FORMAT, othercaps, caps);
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result = gst_d3d11_caps_fixate_format (caps, gst_caps_ref (othercaps));
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if (!result)
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result = othercaps;
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else
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gst_caps_unref (othercaps);
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/* fixate remaining fields */
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result = gst_caps_fixate (result);
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if (direction == GST_PAD_SINK) {
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if (gst_caps_is_subset (caps, result)) {
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gst_caps_replace (&result, caps);
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}
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}
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return result;
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}
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static gboolean
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gst_d3d11_color_convert_filter_meta (GstBaseTransform * trans,
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GstQuery * query, GType api, const GstStructure * params)
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{
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/* This element cannot passthrough the crop meta, because it would convert the
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* wrong sub-region of the image, and worst, our output image may not be large
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* enough for the crop to be applied later */
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if (api == GST_VIDEO_CROP_META_API_TYPE)
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return FALSE;
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/* propose all other metadata upstream */
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return TRUE;
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}
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static gboolean
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gst_d3d11_color_convert_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 = NULL;
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GstCaps *caps;
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guint n_pools, i;
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GstStructure *config;
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guint size;
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GstD3D11AllocationParams *d3d11_params;
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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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n_pools = gst_query_get_n_allocation_pools (query);
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for (i = 0; i < n_pools; i++) {
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gst_query_parse_nth_allocation_pool (query, i, &pool, NULL, NULL, NULL);
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if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
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gst_object_unref (pool);
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pool = NULL;
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}
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}
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if (!pool)
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pool = gst_d3d11_buffer_pool_new (filter->device);
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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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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, &info, 0,
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D3D11_BIND_SHADER_RESOURCE);
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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 (&info); i++) {
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d3d11_params->desc[i].BindFlags |= D3D11_BIND_SHADER_RESOURCE;
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}
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}
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gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
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gst_d3d11_allocation_params_free (d3d11_params);
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/* size will be updated by d3d11 buffer pool */
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gst_buffer_pool_config_set_params (config, caps, 0, 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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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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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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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_color_convert_decide_allocation (GstBaseTransform * trans,
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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 = 0, max = 0;
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GstStructure *config;
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GstD3D11AllocationParams *d3d11_params;
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gboolean update_pool = FALSE;
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GstVideoInfo info;
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gint i;
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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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if (!gst_video_info_from_caps (&info, outcaps))
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return FALSE;
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size = GST_VIDEO_INFO_SIZE (&info);
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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 && !GST_IS_D3D11_BUFFER_POOL (pool)) {
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gst_object_unref (pool);
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pool = NULL;
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}
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update_pool = TRUE;
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}
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if (!pool)
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pool = gst_d3d11_buffer_pool_new (filter->device);
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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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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, &info, 0,
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D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET);
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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 (&info); i++) {
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d3d11_params->desc[i].BindFlags |=
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(D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET);
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}
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}
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gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
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gst_d3d11_allocation_params_free (d3d11_params);
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gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
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gst_buffer_pool_set_config (pool, config);
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size = GST_D3D11_BUFFER_POOL (pool)->buffer_size;
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if (update_pool)
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gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
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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
|
|
create_shader_input_resource (GstD3D11ColorConvert * self,
|
|
GstD3D11Device * device, const GstD3D11Format * format, GstVideoInfo * info)
|
|
{
|
|
D3D11_TEXTURE2D_DESC texture_desc = { 0, };
|
|
D3D11_SHADER_RESOURCE_VIEW_DESC view_desc = { 0 };
|
|
HRESULT hr;
|
|
ID3D11Device *device_handle;
|
|
ID3D11Texture2D *tex[GST_VIDEO_MAX_PLANES] = { NULL, };
|
|
ID3D11ShaderResourceView *view[GST_VIDEO_MAX_PLANES] = { NULL, };
|
|
gint i;
|
|
|
|
if (self->num_input_view)
|
|
return TRUE;
|
|
|
|
device_handle = gst_d3d11_device_get_device_handle (device);
|
|
|
|
texture_desc.MipLevels = 1;
|
|
texture_desc.ArraySize = 1;
|
|
texture_desc.SampleDesc.Count = 1;
|
|
texture_desc.SampleDesc.Quality = 0;
|
|
texture_desc.Usage = D3D11_USAGE_DEFAULT;
|
|
texture_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
|
|
|
|
if (format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
|
|
break;
|
|
|
|
texture_desc.Width = GST_VIDEO_INFO_COMP_WIDTH (info, i);
|
|
texture_desc.Height = GST_VIDEO_INFO_COMP_HEIGHT (info, i);
|
|
texture_desc.Format = format->resource_format[i];
|
|
|
|
hr = ID3D11Device_CreateTexture2D (device_handle,
|
|
&texture_desc, NULL, &tex[i]);
|
|
if (!gst_d3d11_result (hr, device)) {
|
|
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
|
|
goto error;
|
|
}
|
|
}
|
|
} else {
|
|
texture_desc.Width = GST_VIDEO_INFO_WIDTH (info);
|
|
texture_desc.Height = GST_VIDEO_INFO_HEIGHT (info);
|
|
texture_desc.Format = format->dxgi_format;
|
|
|
|
hr = ID3D11Device_CreateTexture2D (device_handle,
|
|
&texture_desc, NULL, &tex[0]);
|
|
if (!gst_d3d11_result (hr, device)) {
|
|
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
|
|
goto error;
|
|
}
|
|
|
|
if (format->dxgi_format == DXGI_FORMAT_NV12 ||
|
|
format->dxgi_format == DXGI_FORMAT_P010) {
|
|
ID3D11Resource_AddRef (tex[0]);
|
|
tex[1] = tex[0];
|
|
}
|
|
}
|
|
|
|
view_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
|
|
view_desc.Texture2D.MipLevels = 1;
|
|
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
|
|
break;
|
|
|
|
view_desc.Format = format->resource_format[i];
|
|
hr = ID3D11Device_CreateShaderResourceView (device_handle,
|
|
(ID3D11Resource *) tex[i], &view_desc, &view[i]);
|
|
|
|
if (!gst_d3d11_result (hr, device)) {
|
|
GST_ERROR_OBJECT (self,
|
|
"Failed to create resource view (0x%x)", (guint) hr);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
self->num_input_view = i;
|
|
|
|
GST_DEBUG_OBJECT (self,
|
|
"%d shader resource view created", self->num_input_view);
|
|
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
self->in_texture[i] = tex[i];
|
|
self->shader_resource_view[i] = view[i];
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
error:
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (view[i])
|
|
ID3D11ShaderResourceView_Release (view[i]);
|
|
}
|
|
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (tex[i])
|
|
ID3D11Texture2D_Release (tex[i]);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
create_shader_output_resource (GstD3D11ColorConvert * self,
|
|
GstD3D11Device * device, const GstD3D11Format * format, GstVideoInfo * info)
|
|
{
|
|
D3D11_TEXTURE2D_DESC texture_desc = { 0, };
|
|
D3D11_RENDER_TARGET_VIEW_DESC view_desc = { 0, };
|
|
HRESULT hr;
|
|
ID3D11Device *device_handle;
|
|
ID3D11Texture2D *tex[GST_VIDEO_MAX_PLANES] = { NULL, };
|
|
ID3D11RenderTargetView *view[GST_VIDEO_MAX_PLANES] = { NULL, };
|
|
gint i;
|
|
|
|
if (self->num_output_view)
|
|
return TRUE;
|
|
|
|
device_handle = gst_d3d11_device_get_device_handle (device);
|
|
|
|
texture_desc.MipLevels = 1;
|
|
texture_desc.ArraySize = 1;
|
|
texture_desc.SampleDesc.Count = 1;
|
|
texture_desc.SampleDesc.Quality = 0;
|
|
texture_desc.Usage = D3D11_USAGE_DEFAULT;
|
|
texture_desc.BindFlags =
|
|
D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
|
|
|
|
if (format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
|
|
break;
|
|
|
|
texture_desc.Width = GST_VIDEO_INFO_COMP_WIDTH (info, i);
|
|
texture_desc.Height = GST_VIDEO_INFO_COMP_HEIGHT (info, i);
|
|
texture_desc.Format = format->resource_format[i];
|
|
|
|
hr = ID3D11Device_CreateTexture2D (device_handle,
|
|
&texture_desc, NULL, &tex[i]);
|
|
if (!gst_d3d11_result (hr, device)) {
|
|
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
|
|
goto error;
|
|
}
|
|
}
|
|
} else {
|
|
texture_desc.Width = GST_VIDEO_INFO_WIDTH (info);
|
|
texture_desc.Height = GST_VIDEO_INFO_HEIGHT (info);
|
|
texture_desc.Format = format->dxgi_format;
|
|
|
|
hr = ID3D11Device_CreateTexture2D (device_handle,
|
|
&texture_desc, NULL, &tex[0]);
|
|
if (!gst_d3d11_result (hr, device)) {
|
|
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
|
|
goto error;
|
|
}
|
|
|
|
if (format->dxgi_format == DXGI_FORMAT_NV12 ||
|
|
format->dxgi_format == DXGI_FORMAT_P010) {
|
|
ID3D11Resource_AddRef (tex[0]);
|
|
tex[1] = tex[0];
|
|
}
|
|
}
|
|
|
|
view_desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
|
|
view_desc.Texture2D.MipSlice = 0;
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
|
|
break;
|
|
|
|
view_desc.Format = format->resource_format[i];
|
|
hr = ID3D11Device_CreateRenderTargetView (device_handle,
|
|
(ID3D11Resource *) tex[i], &view_desc, &view[i]);
|
|
if (!gst_d3d11_result (hr, device)) {
|
|
GST_ERROR_OBJECT (self,
|
|
"Failed to create %dth render target view (0x%x)", i, (guint) hr);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
self->num_output_view = i;
|
|
|
|
GST_DEBUG_OBJECT (self, "%d render view created", self->num_output_view);
|
|
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
self->out_texture[i] = tex[i];
|
|
self->render_target_view[i] = view[i];
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
error:
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (view[i])
|
|
ID3D11RenderTargetView_Release (view[i]);
|
|
}
|
|
|
|
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
|
|
if (tex[i])
|
|
ID3D11Texture2D_Release (tex[i]);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_color_convert_set_info (GstD3D11BaseFilter * filter,
|
|
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
|
|
GstVideoInfo * out_info)
|
|
{
|
|
GstD3D11ColorConvert *self = GST_D3D11_COLOR_CONVERT (filter);
|
|
const GstVideoInfo *unknown_info;
|
|
|
|
if (gst_base_transform_is_passthrough (GST_BASE_TRANSFORM (filter)))
|
|
return TRUE;
|
|
|
|
gst_d3d11_color_convert_clear_shader_resource (self);
|
|
|
|
GST_DEBUG_OBJECT (self, "Setup convert with format %s -> %s",
|
|
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (in_info)),
|
|
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (out_info)));
|
|
|
|
/* these must match */
|
|
if (in_info->width != out_info->width || in_info->height != out_info->height
|
|
|| in_info->fps_n != out_info->fps_n || in_info->fps_d != out_info->fps_d)
|
|
goto format_mismatch;
|
|
|
|
/* if present, these must match too */
|
|
if (in_info->par_n != out_info->par_n || in_info->par_d != out_info->par_d)
|
|
goto format_mismatch;
|
|
|
|
/* if present, these must match too */
|
|
if (in_info->interlace_mode != out_info->interlace_mode)
|
|
goto format_mismatch;
|
|
|
|
/* don't need to create converter */
|
|
if (GST_VIDEO_INFO_FORMAT (in_info) == GST_VIDEO_INFO_FORMAT (out_info))
|
|
return TRUE;
|
|
|
|
self->in_d3d11_format =
|
|
gst_d3d11_device_format_from_gst (filter->device,
|
|
GST_VIDEO_INFO_FORMAT (in_info));
|
|
if (!self->in_d3d11_format) {
|
|
unknown_info = in_info;
|
|
goto format_unknown;
|
|
}
|
|
|
|
self->out_d3d11_format =
|
|
gst_d3d11_device_format_from_gst (filter->device,
|
|
GST_VIDEO_INFO_FORMAT (out_info));
|
|
if (!self->out_d3d11_format) {
|
|
unknown_info = out_info;
|
|
goto format_unknown;
|
|
}
|
|
|
|
self->converter = gst_d3d11_color_converter_new (filter->device,
|
|
in_info, out_info);
|
|
|
|
if (!self->converter) {
|
|
GST_ERROR_OBJECT (self, "couldn't set converter");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
format_mismatch:
|
|
{
|
|
GST_ERROR_OBJECT (self, "input and output formats do not match");
|
|
return FALSE;
|
|
}
|
|
format_unknown:
|
|
{
|
|
GST_ERROR_OBJECT (self,
|
|
"%s couldn't be converted to d3d11 format",
|
|
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (unknown_info)));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_color_convert_transform (GstBaseTransform * trans,
|
|
GstBuffer * inbuf, GstBuffer * outbuf)
|
|
{
|
|
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
|
|
GstD3D11ColorConvert *self = GST_D3D11_COLOR_CONVERT (trans);
|
|
ID3D11DeviceContext *context_handle;
|
|
ID3D11ShaderResourceView *resource_view[GST_VIDEO_MAX_PLANES] = { NULL, };
|
|
ID3D11RenderTargetView *render_view[GST_VIDEO_MAX_PLANES] = { NULL, };
|
|
gint i, j, view_index;
|
|
gboolean copy_input = FALSE;
|
|
gboolean copy_output = FALSE;
|
|
GstD3D11Device *device = filter->device;
|
|
|
|
context_handle = gst_d3d11_device_get_device_context_handle (device);
|
|
|
|
view_index = 0;
|
|
for (i = 0; i < gst_buffer_n_memory (inbuf); i++) {
|
|
GstMemory *mem = gst_buffer_peek_memory (inbuf, i);
|
|
GstD3D11Memory *d3d11_mem;
|
|
GstMapInfo info;
|
|
|
|
g_assert (gst_is_d3d11_memory (mem));
|
|
|
|
d3d11_mem = (GstD3D11Memory *) mem;
|
|
/* map to transfer pending staging data if any */
|
|
if (d3d11_mem->desc.Usage == D3D11_USAGE_DEFAULT) {
|
|
gst_memory_map (mem, &info, GST_MAP_READ | GST_MAP_D3D11);
|
|
gst_memory_unmap (mem, &info);
|
|
}
|
|
|
|
if (gst_d3d11_memory_ensure_shader_resource_view (d3d11_mem)) {
|
|
GST_TRACE_OBJECT (self, "Use input texture resource without copy");
|
|
|
|
for (j = 0; j < d3d11_mem->num_shader_resource_views; j++) {
|
|
resource_view[view_index] = d3d11_mem->shader_resource_view[j];
|
|
view_index++;
|
|
}
|
|
} else {
|
|
GST_TRACE_OBJECT (self, "Render using fallback input texture");
|
|
copy_input = TRUE;
|
|
|
|
if (!create_shader_input_resource (self, device,
|
|
self->in_d3d11_format, &filter->in_info)) {
|
|
GST_ERROR_OBJECT (self, "Failed to configure fallback input texture");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* if input memory has no resource view,
|
|
* copy texture into our fallback texture */
|
|
if (copy_input) {
|
|
gst_d3d11_device_lock (device);
|
|
for (i = 0; i < gst_buffer_n_memory (inbuf); i++) {
|
|
GstMemory *mem = gst_buffer_peek_memory (inbuf, i);
|
|
GstD3D11Memory *d3d11_mem;
|
|
|
|
g_assert (gst_is_d3d11_memory (mem));
|
|
|
|
d3d11_mem = (GstD3D11Memory *) mem;
|
|
|
|
ID3D11DeviceContext_CopySubresourceRegion (context_handle,
|
|
(ID3D11Resource *) self->in_texture[i], 0, 0, 0, 0,
|
|
(ID3D11Resource *) d3d11_mem->texture, 0, NULL);
|
|
}
|
|
gst_d3d11_device_unlock (device);
|
|
}
|
|
|
|
view_index = 0;
|
|
for (i = 0; i < gst_buffer_n_memory (outbuf); i++) {
|
|
GstMemory *mem = gst_buffer_peek_memory (outbuf, i);
|
|
GstD3D11Memory *d3d11_mem;
|
|
|
|
g_assert (gst_is_d3d11_memory (mem));
|
|
|
|
d3d11_mem = (GstD3D11Memory *) mem;
|
|
|
|
if (gst_d3d11_memory_ensure_render_target_view (d3d11_mem)) {
|
|
GST_TRACE_OBJECT (self, "Render to output texture directly");
|
|
|
|
for (j = 0; j < d3d11_mem->num_render_target_views; j++) {
|
|
render_view[view_index] = d3d11_mem->render_target_view[j];
|
|
view_index++;
|
|
}
|
|
} else {
|
|
GST_TRACE_OBJECT (self, "Render to fallback output texture");
|
|
copy_output = TRUE;
|
|
|
|
if (!create_shader_output_resource (self, device, self->out_d3d11_format,
|
|
&filter->out_info)) {
|
|
GST_ERROR_OBJECT (self, "Failed to configure fallback output texture");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!gst_d3d11_color_converter_convert (self->converter,
|
|
copy_input ? self->shader_resource_view : resource_view,
|
|
copy_output ? self->render_target_view : render_view)) {
|
|
GST_ERROR_OBJECT (self, "Failed to convert");
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
if (copy_output) {
|
|
gst_d3d11_device_lock (device);
|
|
for (i = 0; i < gst_buffer_n_memory (outbuf); i++) {
|
|
GstMemory *mem = gst_buffer_peek_memory (outbuf, i);
|
|
GstD3D11Memory *d3d11_mem;
|
|
|
|
g_assert (gst_is_d3d11_memory (mem));
|
|
|
|
d3d11_mem = (GstD3D11Memory *) mem;
|
|
|
|
ID3D11DeviceContext_CopySubresourceRegion (context_handle,
|
|
(ID3D11Resource *) d3d11_mem->texture, 0, 0, 0, 0,
|
|
(ID3D11Resource *) self->out_texture[i], 0, NULL);
|
|
}
|
|
gst_d3d11_device_unlock (device);
|
|
} else {
|
|
for (i = 0; i < gst_buffer_n_memory (outbuf); i++) {
|
|
GstMemory *mem = gst_buffer_peek_memory (outbuf, i);
|
|
GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
|
|
}
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|