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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1067 lines
33 KiB
C
1067 lines
33 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 "gstd3d11videosink.h"
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#include "gstd3d11memory.h"
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#include "gstd3d11utils.h"
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#include "gstd3d11device.h"
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#include "gstd3d11bufferpool.h"
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#include "gstd3d11format.h"
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#include "gstd3d11videoprocessor.h"
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#if GST_D3D11_WINAPI_ONLY_APP
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#include "gstd3d11window_corewindow.h"
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#include "gstd3d11window_swapchainpanel.h"
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#else
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#include "gstd3d11window_win32.h"
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#endif
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enum
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{
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PROP_0,
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PROP_ADAPTER,
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PROP_FORCE_ASPECT_RATIO,
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PROP_ENABLE_NAVIGATION_EVENTS,
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PROP_FULLSCREEN_TOGGLE_MODE,
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PROP_FULLSCREEN,
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};
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#define DEFAULT_ADAPTER -1
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#define DEFAULT_FORCE_ASPECT_RATIO TRUE
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#define DEFAULT_ENABLE_NAVIGATION_EVENTS TRUE
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#define DEFAULT_FULLSCREEN_TOGGLE_MODE GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE
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#define DEFAULT_FULLSCREEN FALSE
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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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GST_DEBUG_CATEGORY (d3d11_video_sink_debug);
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#define GST_CAT_DEFAULT d3d11_video_sink_debug
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static void gst_d3d11_videosink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_d3d11_videosink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void
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gst_d3d11_video_sink_video_overlay_init (GstVideoOverlayInterface * iface);
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static void
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gst_d3d11_video_sink_navigation_init (GstNavigationInterface * iface);
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static void gst_d3d11_video_sink_set_context (GstElement * element,
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GstContext * context);
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static GstCaps *gst_d3d11_video_sink_get_caps (GstBaseSink * sink,
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GstCaps * filter);
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static gboolean gst_d3d11_video_sink_set_caps (GstBaseSink * sink,
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GstCaps * caps);
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static gboolean gst_d3d11_video_sink_start (GstBaseSink * sink);
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static gboolean gst_d3d11_video_sink_stop (GstBaseSink * sink);
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static gboolean gst_d3d11_video_sink_propose_allocation (GstBaseSink * sink,
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GstQuery * query);
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static gboolean gst_d3d11_video_sink_query (GstBaseSink * sink,
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GstQuery * query);
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static gboolean gst_d3d11_video_sink_unlock (GstBaseSink * sink);
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static gboolean gst_d3d11_video_sink_unlock_stop (GstBaseSink * sink);
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static GstFlowReturn
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gst_d3d11_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buf);
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#define gst_d3d11_video_sink_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstD3D11VideoSink, gst_d3d11_video_sink,
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GST_TYPE_VIDEO_SINK,
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G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY,
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gst_d3d11_video_sink_video_overlay_init);
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G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION,
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gst_d3d11_video_sink_navigation_init);
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GST_DEBUG_CATEGORY_INIT (d3d11_video_sink_debug,
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"d3d11videosink", 0, "Direct3D11 Video Sink"));
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static void
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gst_d3d11_video_sink_class_init (GstD3D11VideoSinkClass * 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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GstBaseSinkClass *basesink_class = GST_BASE_SINK_CLASS (klass);
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GstVideoSinkClass *videosink_class = GST_VIDEO_SINK_CLASS (klass);
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gobject_class->set_property = gst_d3d11_videosink_set_property;
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gobject_class->get_property = gst_d3d11_videosink_get_property;
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g_object_class_install_property (gobject_class, PROP_ADAPTER,
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g_param_spec_int ("adapter", "Adapter",
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"Adapter index for creating device (-1 for default)",
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-1, G_MAXINT32, DEFAULT_ADAPTER,
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G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
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G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_FORCE_ASPECT_RATIO,
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g_param_spec_boolean ("force-aspect-ratio",
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"Force aspect ratio",
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"When enabled, scaling will respect original aspect ratio",
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DEFAULT_FORCE_ASPECT_RATIO,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_ENABLE_NAVIGATION_EVENTS,
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g_param_spec_boolean ("enable-navigation-events",
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"Enable navigation events",
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"When enabled, navigation events are sent upstream",
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DEFAULT_ENABLE_NAVIGATION_EVENTS,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_FULLSCREEN_TOGGLE_MODE,
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g_param_spec_flags ("fullscreen-toggle-mode",
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"Full screen toggle mode",
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"Full screen toggle mode used to trigger fullscreen mode change",
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GST_D3D11_WINDOW_TOGGLE_MODE_GET_TYPE, DEFAULT_FULLSCREEN_TOGGLE_MODE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_FULLSCREEN,
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g_param_spec_boolean ("fullscreen",
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"fullscreen",
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"Ignored when \"fullscreen-toggle-mode\" does not include \"property\"",
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DEFAULT_FULLSCREEN, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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element_class->set_context =
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GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_set_context);
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gst_element_class_set_static_metadata (element_class,
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"Direct3D11 video sink", "Sink/Video",
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"A Direct3D11 based videosink",
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"Seungha Yang <seungha.yang@navercorp.com>");
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gst_element_class_add_static_pad_template (element_class, &sink_template);
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basesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_get_caps);
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basesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_set_caps);
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basesink_class->start = GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_start);
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basesink_class->stop = GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_stop);
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basesink_class->propose_allocation =
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GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_propose_allocation);
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basesink_class->query = GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_query);
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basesink_class->unlock = GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_unlock);
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basesink_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_unlock_stop);
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videosink_class->show_frame =
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GST_DEBUG_FUNCPTR (gst_d3d11_video_sink_show_frame);
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gst_type_mark_as_plugin_api (GST_D3D11_WINDOW_TOGGLE_MODE_GET_TYPE, 0);
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}
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static void
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gst_d3d11_video_sink_init (GstD3D11VideoSink * self)
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{
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self->adapter = DEFAULT_ADAPTER;
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self->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO;
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self->enable_navigation_events = DEFAULT_ENABLE_NAVIGATION_EVENTS;
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self->fullscreen_toggle_mode = DEFAULT_FULLSCREEN_TOGGLE_MODE;
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self->fullscreen = DEFAULT_FULLSCREEN;
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}
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static void
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gst_d3d11_videosink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (object);
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GST_OBJECT_LOCK (self);
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switch (prop_id) {
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case PROP_ADAPTER:
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self->adapter = g_value_get_int (value);
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break;
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case PROP_FORCE_ASPECT_RATIO:
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self->force_aspect_ratio = g_value_get_boolean (value);
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if (self->window)
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g_object_set (self->window,
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"force-aspect-ratio", self->force_aspect_ratio, NULL);
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break;
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case PROP_ENABLE_NAVIGATION_EVENTS:
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self->enable_navigation_events = g_value_get_boolean (value);
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if (self->window) {
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g_object_set (self->window,
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"enable-navigation-events", self->enable_navigation_events, NULL);
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}
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break;
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case PROP_FULLSCREEN_TOGGLE_MODE:
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self->fullscreen_toggle_mode = g_value_get_flags (value);
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if (self->window) {
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g_object_set (self->window,
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"fullscreen-toggle-mode", self->fullscreen_toggle_mode, NULL);
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}
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break;
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case PROP_FULLSCREEN:
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self->fullscreen = g_value_get_boolean (value);
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if (self->window) {
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g_object_set (self->window, "fullscreen", self->fullscreen, NULL);
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_OBJECT_UNLOCK (self);
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}
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static void
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gst_d3d11_videosink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (object);
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switch (prop_id) {
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case PROP_ADAPTER:
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g_value_set_int (value, self->adapter);
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break;
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case PROP_FORCE_ASPECT_RATIO:
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g_value_set_boolean (value, self->force_aspect_ratio);
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break;
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case PROP_ENABLE_NAVIGATION_EVENTS:
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g_value_set_boolean (value, self->enable_navigation_events);
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break;
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case PROP_FULLSCREEN_TOGGLE_MODE:
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g_value_set_flags (value, self->fullscreen_toggle_mode);
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break;
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case PROP_FULLSCREEN:
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if (self->window) {
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g_object_get_property (G_OBJECT (self->window), pspec->name, value);
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} else {
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g_value_set_boolean (value, self->fullscreen);
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_d3d11_video_sink_set_context (GstElement * element, GstContext * context)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (element);
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gst_d3d11_handle_set_context (element, context, self->adapter, &self->device);
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GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
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}
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static GstCaps *
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gst_d3d11_video_sink_get_caps (GstBaseSink * sink, GstCaps * filter)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
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GstCaps *caps = NULL;
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if (self->device && !self->can_convert) {
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GstCaps *overlaycaps;
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GstCapsFeatures *features;
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caps = gst_d3d11_device_get_supported_caps (self->device,
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D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_DISPLAY);
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overlaycaps = gst_caps_copy (caps);
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features = gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY,
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GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION);
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gst_caps_set_features_simple (overlaycaps, features);
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gst_caps_append (caps, overlaycaps);
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}
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if (!caps)
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caps = gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD (sink));
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if (caps && filter) {
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GstCaps *isect;
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isect = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (caps);
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caps = isect;
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}
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return caps;
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}
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static gboolean
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gst_d3d11_video_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
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gint video_width, video_height;
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gint video_par_n, video_par_d; /* video's PAR */
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gint display_par_n = 1, display_par_d = 1; /* display's PAR */
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guint num, den;
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GError *error = NULL;
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GstStructure *config;
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gint i;
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GST_DEBUG_OBJECT (self, "set caps %" GST_PTR_FORMAT, caps);
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if (!gst_video_info_from_caps (&self->info, caps))
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goto invalid_format;
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video_width = GST_VIDEO_INFO_WIDTH (&self->info);
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video_height = GST_VIDEO_INFO_HEIGHT (&self->info);
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video_par_n = GST_VIDEO_INFO_PAR_N (&self->info);
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video_par_d = GST_VIDEO_INFO_PAR_D (&self->info);
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/* get aspect ratio from caps if it's present, and
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* convert video width and height to a display width and height
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* using wd / hd = wv / hv * PARv / PARd */
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/* TODO: Get display PAR */
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if (!gst_video_calculate_display_ratio (&num, &den, video_width,
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video_height, video_par_n, video_par_d, display_par_n, display_par_d))
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goto no_disp_ratio;
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GST_DEBUG_OBJECT (sink,
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"video width/height: %dx%d, calculated display ratio: %d/%d format: %s",
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video_width, video_height, num, den,
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gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (&self->info)));
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/* now find a width x height that respects this display ratio.
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* prefer those that have one of w/h the same as the incoming video
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* using wd / hd = num / den
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*/
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/* start with same height, because of interlaced video
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* check hd / den is an integer scale factor, and scale wd with the PAR
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*/
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if (video_height % den == 0) {
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GST_DEBUG_OBJECT (self, "keeping video height");
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GST_VIDEO_SINK_WIDTH (self) = (guint)
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gst_util_uint64_scale_int (video_height, num, den);
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GST_VIDEO_SINK_HEIGHT (self) = video_height;
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} else if (video_width % num == 0) {
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GST_DEBUG_OBJECT (self, "keeping video width");
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GST_VIDEO_SINK_WIDTH (self) = video_width;
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GST_VIDEO_SINK_HEIGHT (self) = (guint)
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gst_util_uint64_scale_int (video_width, den, num);
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} else {
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GST_DEBUG_OBJECT (self, "approximating while keeping video height");
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GST_VIDEO_SINK_WIDTH (self) = (guint)
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gst_util_uint64_scale_int (video_height, num, den);
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GST_VIDEO_SINK_HEIGHT (self) = video_height;
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}
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GST_DEBUG_OBJECT (self, "scaling to %dx%d",
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GST_VIDEO_SINK_WIDTH (self), GST_VIDEO_SINK_HEIGHT (self));
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self->video_width = video_width;
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self->video_height = video_height;
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if (GST_VIDEO_SINK_WIDTH (self) <= 0 || GST_VIDEO_SINK_HEIGHT (self) <= 0)
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goto no_display_size;
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GST_OBJECT_LOCK (self);
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if (!self->pending_render_rect) {
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self->render_rect.x = 0;
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self->render_rect.y = 0;
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self->render_rect.w = GST_VIDEO_SINK_WIDTH (self);
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self->render_rect.h = GST_VIDEO_SINK_HEIGHT (self);
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}
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gst_d3d11_window_set_render_rectangle (self->window,
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self->render_rect.x, self->render_rect.y, self->render_rect.w,
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self->render_rect.h);
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self->pending_render_rect = FALSE;
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GST_OBJECT_UNLOCK (self);
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self->have_video_processor = FALSE;
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if (!gst_d3d11_window_prepare (self->window, GST_VIDEO_SINK_WIDTH (self),
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GST_VIDEO_SINK_HEIGHT (self), caps, &self->have_video_processor,
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&error)) {
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GstMessage *error_msg;
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GST_ERROR_OBJECT (self, "cannot create swapchain");
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error_msg = gst_message_new_error (GST_OBJECT_CAST (self),
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error, "Failed to prepare d3d11window");
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g_clear_error (&error);
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gst_element_post_message (GST_ELEMENT (self), error_msg);
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return FALSE;
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}
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|
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if (self->fallback_pool) {
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gst_buffer_pool_set_active (self->fallback_pool, FALSE);
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gst_object_unref (self->fallback_pool);
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}
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|
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self->fallback_pool = gst_d3d11_buffer_pool_new (self->device);
|
|
config = gst_buffer_pool_get_config (self->fallback_pool);
|
|
gst_buffer_pool_config_set_params (config,
|
|
caps, GST_VIDEO_INFO_SIZE (&self->info), 0, 2);
|
|
|
|
{
|
|
GstD3D11AllocationParams *d3d11_params;
|
|
gint bind_flags = D3D11_BIND_SHADER_RESOURCE;
|
|
|
|
if (self->have_video_processor) {
|
|
/* To create video processor input view, one of following bind flags
|
|
* is required
|
|
* NOTE: Any texture arrays which were created with D3D11_BIND_DECODER flag
|
|
* cannot be used for shader input.
|
|
*
|
|
* D3D11_BIND_DECODER
|
|
* D3D11_BIND_VIDEO_ENCODER
|
|
* D3D11_BIND_RENDER_TARGET
|
|
* D3D11_BIND_UNORDERED_ACCESS_VIEW
|
|
*/
|
|
bind_flags |= D3D11_BIND_RENDER_TARGET;
|
|
}
|
|
|
|
d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
|
|
if (!d3d11_params) {
|
|
d3d11_params = gst_d3d11_allocation_params_new (self->device,
|
|
&self->info, 0, bind_flags);
|
|
} else {
|
|
/* Set bind flag */
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&self->info); i++) {
|
|
d3d11_params->desc[i].BindFlags |= bind_flags;
|
|
}
|
|
}
|
|
|
|
gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
|
|
gst_d3d11_allocation_params_free (d3d11_params);
|
|
}
|
|
|
|
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
|
|
gst_buffer_pool_set_config (self->fallback_pool, config);
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
invalid_format:
|
|
{
|
|
GST_DEBUG_OBJECT (sink,
|
|
"Could not locate image format from caps %" GST_PTR_FORMAT, caps);
|
|
return FALSE;
|
|
}
|
|
no_disp_ratio:
|
|
{
|
|
GST_ELEMENT_ERROR (sink, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output display ratio of the video."));
|
|
return FALSE;
|
|
}
|
|
no_display_size:
|
|
{
|
|
GST_ELEMENT_ERROR (sink, CORE, NEGOTIATION, (NULL),
|
|
("Error calculating the output display ratio of the video."));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_video_sink_key_event (GstD3D11Window * window, const gchar * event,
|
|
const gchar * key, GstD3D11VideoSink * self)
|
|
{
|
|
if (self->enable_navigation_events) {
|
|
GST_LOG_OBJECT (self, "send key event %s, key %s", event, key);
|
|
gst_navigation_send_key_event (GST_NAVIGATION (self), event, key);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_video_mouse_key_event (GstD3D11Window * window, const gchar * event,
|
|
gint button, gdouble x, gdouble y, GstD3D11VideoSink * self)
|
|
{
|
|
if (self->enable_navigation_events) {
|
|
GST_LOG_OBJECT (self,
|
|
"send mouse event %s, button %d (%.1f, %.1f)", event, button, x, y);
|
|
gst_navigation_send_mouse_event (GST_NAVIGATION (self), event, button, x,
|
|
y);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_start (GstBaseSink * sink)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
|
|
gboolean is_hardware = TRUE;
|
|
GstD3D11WindowNativeType window_type = GST_D3D11_WINDOW_NATIVE_TYPE_HWND;
|
|
|
|
GST_DEBUG_OBJECT (self, "Start");
|
|
|
|
if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self), self->adapter,
|
|
&self->device)) {
|
|
GST_ERROR_OBJECT (sink, "Cannot create d3d11device");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!self->window_id)
|
|
gst_video_overlay_prepare_window_handle (GST_VIDEO_OVERLAY (self));
|
|
|
|
if (self->window_id) {
|
|
window_type =
|
|
gst_d3d11_window_get_native_type_from_handle (self->window_id);
|
|
|
|
if (window_type != GST_D3D11_WINDOW_NATIVE_TYPE_NONE) {
|
|
gst_video_overlay_got_window_handle (GST_VIDEO_OVERLAY (self),
|
|
self->window_id);
|
|
}
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (self, "Create window (type: %s)",
|
|
gst_d3d11_window_get_native_type_to_string (window_type));
|
|
|
|
#if GST_D3D11_WINAPI_ONLY_APP
|
|
if (window_type != GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW &&
|
|
window_type != GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL) {
|
|
GST_ERROR_OBJECT (sink, "Overlay handle must be set before READY state");
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
switch (window_type) {
|
|
#if (!GST_D3D11_WINAPI_ONLY_APP)
|
|
case GST_D3D11_WINDOW_NATIVE_TYPE_HWND:
|
|
self->window = gst_d3d11_window_win32_new (self->device, self->window_id);
|
|
break;
|
|
#else
|
|
case GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW:
|
|
self->window = gst_d3d11_window_core_window_new (self->device,
|
|
self->window_id);
|
|
break;
|
|
case GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL:
|
|
self->window = gst_d3d11_window_swap_chain_panel_new (self->device,
|
|
self->window_id);
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (!self->window) {
|
|
GST_ERROR_OBJECT (sink, "Cannot create d3d11window");
|
|
return FALSE;
|
|
}
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
g_object_set (self->window,
|
|
"force-aspect-ratio", self->force_aspect_ratio,
|
|
"fullscreen-toggle-mode", self->fullscreen_toggle_mode,
|
|
"fullscreen", self->fullscreen,
|
|
"enable-navigation-events", self->enable_navigation_events, NULL);
|
|
GST_OBJECT_UNLOCK (self);
|
|
|
|
g_signal_connect (self->window, "key-event",
|
|
G_CALLBACK (gst_d3d11_video_sink_key_event), self);
|
|
g_signal_connect (self->window, "mouse-event",
|
|
G_CALLBACK (gst_d3d11_video_mouse_key_event), self);
|
|
|
|
g_object_get (self->device, "hardware", &is_hardware, NULL);
|
|
|
|
if (!is_hardware) {
|
|
GST_WARNING_OBJECT (self, "D3D11 device is running on software emulation");
|
|
self->can_convert = FALSE;
|
|
} else {
|
|
self->can_convert = TRUE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_stop (GstBaseSink * sink)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
|
|
|
|
GST_DEBUG_OBJECT (self, "Stop");
|
|
|
|
if (self->fallback_pool) {
|
|
gst_buffer_pool_set_active (self->fallback_pool, FALSE);
|
|
gst_object_unref (self->fallback_pool);
|
|
self->fallback_pool = NULL;
|
|
}
|
|
|
|
if (self->window)
|
|
gst_d3d11_window_unprepare (self->window);
|
|
|
|
gst_clear_object (&self->device);
|
|
gst_clear_object (&self->window);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_propose_allocation (GstBaseSink * sink, GstQuery * query)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
|
|
GstStructure *config;
|
|
GstCaps *caps;
|
|
GstBufferPool *pool = NULL;
|
|
GstVideoInfo info;
|
|
guint size;
|
|
gboolean need_pool;
|
|
|
|
if (!self->device || !self->window)
|
|
return FALSE;
|
|
|
|
gst_query_parse_allocation (query, &caps, &need_pool);
|
|
|
|
if (caps == NULL)
|
|
goto no_caps;
|
|
|
|
if (!gst_video_info_from_caps (&info, caps))
|
|
goto invalid_caps;
|
|
|
|
/* the normal size of a frame */
|
|
size = info.size;
|
|
|
|
if (need_pool) {
|
|
gint i;
|
|
GstD3D11AllocationParams *d3d11_params;
|
|
|
|
GST_DEBUG_OBJECT (self, "create new pool");
|
|
|
|
pool = gst_d3d11_buffer_pool_new (self->device);
|
|
config = gst_buffer_pool_get_config (pool);
|
|
gst_buffer_pool_config_set_params (config, caps, size, 2,
|
|
DXGI_MAX_SWAP_CHAIN_BUFFERS);
|
|
|
|
d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
|
|
if (!d3d11_params) {
|
|
d3d11_params = gst_d3d11_allocation_params_new (self->device, &info, 0,
|
|
D3D11_BIND_SHADER_RESOURCE);
|
|
} else {
|
|
/* Set bind flag */
|
|
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&info); i++) {
|
|
d3d11_params->desc[i].BindFlags |= D3D11_BIND_SHADER_RESOURCE;
|
|
}
|
|
}
|
|
|
|
gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
|
|
gst_d3d11_allocation_params_free (d3d11_params);
|
|
gst_buffer_pool_config_add_option (config,
|
|
GST_BUFFER_POOL_OPTION_VIDEO_META);
|
|
|
|
if (!gst_buffer_pool_set_config (pool, config)) {
|
|
g_object_unref (pool);
|
|
goto config_failed;
|
|
}
|
|
}
|
|
|
|
gst_query_add_allocation_pool (query, pool, size, 2, 0);
|
|
if (pool)
|
|
g_object_unref (pool);
|
|
|
|
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
|
|
gst_query_add_allocation_meta (query,
|
|
GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
no_caps:
|
|
{
|
|
GST_WARNING_OBJECT (self, "no caps specified");
|
|
return FALSE;
|
|
}
|
|
invalid_caps:
|
|
{
|
|
GST_WARNING_OBJECT (self, "invalid caps specified");
|
|
return FALSE;
|
|
}
|
|
config_failed:
|
|
{
|
|
GST_WARNING_OBJECT (self, "failed setting config");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_query (GstBaseSink * sink, GstQuery * query)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_CONTEXT:
|
|
if (gst_d3d11_handle_context_query (GST_ELEMENT (self), query,
|
|
self->device)) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return GST_BASE_SINK_CLASS (parent_class)->query (sink, query);
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_unlock (GstBaseSink * sink)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
|
|
|
|
if (self->window)
|
|
gst_d3d11_window_unlock (self->window);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_unlock_stop (GstBaseSink * sink)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
|
|
|
|
if (self->window)
|
|
gst_d3d11_window_unlock_stop (self->window);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_upload_frame (GstD3D11VideoSink * self, GstBuffer * inbuf,
|
|
GstBuffer * outbuf)
|
|
{
|
|
GstVideoFrame in_frame, out_frame;
|
|
gboolean ret;
|
|
gint i;
|
|
|
|
GST_LOG_OBJECT (self, "Copy to fallback buffer");
|
|
|
|
if (!gst_video_frame_map (&in_frame, &self->info, inbuf,
|
|
GST_MAP_READ | GST_VIDEO_FRAME_MAP_FLAG_NO_REF))
|
|
goto invalid_buffer;
|
|
|
|
if (!gst_video_frame_map (&out_frame, &self->info, outbuf,
|
|
GST_MAP_WRITE | GST_VIDEO_FRAME_MAP_FLAG_NO_REF)) {
|
|
gst_video_frame_unmap (&in_frame);
|
|
goto invalid_buffer;
|
|
}
|
|
|
|
ret = gst_video_frame_copy (&out_frame, &in_frame);
|
|
|
|
gst_video_frame_unmap (&in_frame);
|
|
gst_video_frame_unmap (&out_frame);
|
|
|
|
if (ret) {
|
|
/* map to upload staging texture to render texture */
|
|
for (i = 0; i < gst_buffer_n_memory (outbuf); i++) {
|
|
GstMemory *mem;
|
|
GstMapInfo map;
|
|
|
|
mem = gst_buffer_peek_memory (outbuf, i);
|
|
if (!gst_memory_map (mem, &map, (GST_MAP_READ | GST_MAP_D3D11))) {
|
|
GST_ERROR_OBJECT (self, "cannot upload staging texture");
|
|
ret = FALSE;
|
|
break;
|
|
}
|
|
gst_memory_unmap (mem, &map);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
invalid_buffer:
|
|
{
|
|
GST_ELEMENT_WARNING (self, CORE, NOT_IMPLEMENTED, (NULL),
|
|
("invalid video buffer received"));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_d3d11_video_sink_copy_d3d11_to_d3d11 (GstD3D11VideoSink * self,
|
|
GstBuffer * inbuf, GstBuffer * outbuf)
|
|
{
|
|
gint i;
|
|
ID3D11DeviceContext *context_handle =
|
|
gst_d3d11_device_get_device_context_handle (self->device);
|
|
|
|
g_return_val_if_fail (gst_buffer_n_memory (inbuf) ==
|
|
gst_buffer_n_memory (outbuf), FALSE);
|
|
|
|
GST_LOG_OBJECT (self, "Copy to fallback buffer using device memory copy");
|
|
|
|
gst_d3d11_device_lock (self->device);
|
|
for (i = 0; i < gst_buffer_n_memory (inbuf); i++) {
|
|
GstD3D11Memory *in_mem =
|
|
(GstD3D11Memory *) gst_buffer_peek_memory (inbuf, i);
|
|
GstD3D11Memory *out_mem =
|
|
(GstD3D11Memory *) gst_buffer_peek_memory (outbuf, i);
|
|
D3D11_BOX src_box;
|
|
|
|
/* input buffer might be larger than render size */
|
|
src_box.left = 0;
|
|
src_box.top = 0;
|
|
src_box.front = 0;
|
|
src_box.back = 1;
|
|
src_box.right = out_mem->desc.Width;
|
|
src_box.bottom = out_mem->desc.Height;
|
|
|
|
ID3D11DeviceContext_CopySubresourceRegion (context_handle,
|
|
(ID3D11Resource *) out_mem->texture, 0, 0, 0, 0,
|
|
(ID3D11Resource *) in_mem->texture, in_mem->subresource_index,
|
|
&src_box);
|
|
}
|
|
gst_d3d11_device_unlock (self->device);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_d3d11_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buf)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
|
|
GstMapInfo map;
|
|
GstFlowReturn ret;
|
|
GstVideoRectangle rect = { 0, };
|
|
GstBuffer *render_buf;
|
|
gboolean need_unref = FALSE;
|
|
gboolean do_device_copy = TRUE;
|
|
gint i;
|
|
|
|
render_buf = buf;
|
|
|
|
for (i = 0; i < gst_buffer_n_memory (buf); i++) {
|
|
GstMemory *mem;
|
|
GstD3D11Memory *dmem;
|
|
|
|
mem = gst_buffer_peek_memory (buf, i);
|
|
if (!gst_is_d3d11_memory (mem)) {
|
|
GST_LOG_OBJECT (sink, "not a d3d11 memory, need fallback");
|
|
render_buf = NULL;
|
|
do_device_copy = FALSE;
|
|
break;
|
|
}
|
|
|
|
dmem = (GstD3D11Memory *) mem;
|
|
if (dmem->device != self->device) {
|
|
GST_LOG_OBJECT (sink, "different d3d11 device, need fallback");
|
|
render_buf = NULL;
|
|
do_device_copy = FALSE;
|
|
break;
|
|
}
|
|
|
|
if (dmem->desc.Usage == D3D11_USAGE_DEFAULT) {
|
|
if (!gst_memory_map (mem, &map, (GST_MAP_READ | GST_MAP_D3D11))) {
|
|
GST_ERROR_OBJECT (self, "cannot map d3d11 memory");
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
gst_memory_unmap (mem, &map);
|
|
}
|
|
|
|
if (gst_buffer_n_memory (buf) == 1 && self->have_video_processor &&
|
|
gst_d3d11_video_processor_check_bind_flags_for_input_view
|
|
(dmem->desc.BindFlags)) {
|
|
break;
|
|
}
|
|
|
|
if (!gst_d3d11_memory_ensure_shader_resource_view (dmem)) {
|
|
GST_LOG_OBJECT (sink,
|
|
"shader resource view is unavailable, need fallback");
|
|
render_buf = NULL;
|
|
/* keep run loop in order to upload staging memory to device memory */
|
|
}
|
|
}
|
|
|
|
if (!render_buf) {
|
|
if (!self->fallback_pool ||
|
|
!gst_buffer_pool_set_active (self->fallback_pool, TRUE) ||
|
|
gst_buffer_pool_acquire_buffer (self->fallback_pool, &render_buf,
|
|
NULL) != GST_FLOW_OK) {
|
|
GST_ERROR_OBJECT (self, "fallback pool is unavailable");
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
for (i = 0; i < gst_buffer_n_memory (render_buf); i++) {
|
|
GstD3D11Memory *dmem;
|
|
|
|
dmem = (GstD3D11Memory *) gst_buffer_peek_memory (render_buf, i);
|
|
if (!gst_d3d11_memory_ensure_shader_resource_view (dmem)) {
|
|
GST_ERROR_OBJECT (self, "fallback shader resource view is unavailable");
|
|
gst_buffer_unref (render_buf);
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
if (do_device_copy) {
|
|
if (!gst_d3d11_video_sink_copy_d3d11_to_d3d11 (self, buf, render_buf)) {
|
|
GST_ERROR_OBJECT (self, "cannot copy frame");
|
|
gst_buffer_unref (render_buf);
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
} else if (!gst_d3d11_video_sink_upload_frame (self, buf, render_buf)) {
|
|
GST_ERROR_OBJECT (self, "cannot upload frame");
|
|
gst_buffer_unref (render_buf);
|
|
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
need_unref = TRUE;
|
|
}
|
|
|
|
gst_d3d11_window_show (self->window);
|
|
|
|
/* FIXME: add support crop meta */
|
|
rect.w = self->video_width;
|
|
rect.h = self->video_height;
|
|
|
|
ret = gst_d3d11_window_render (self->window, render_buf, &rect);
|
|
if (need_unref)
|
|
gst_buffer_unref (render_buf);
|
|
|
|
if (ret == GST_D3D11_WINDOW_FLOW_CLOSED) {
|
|
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND,
|
|
("Output window was closed"), (NULL));
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* VideoOverlay interface */
|
|
static void
|
|
gst_d3d11_video_sink_set_window_handle (GstVideoOverlay * overlay,
|
|
guintptr window_id)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (overlay);
|
|
|
|
GST_DEBUG ("set window handle %" G_GUINTPTR_FORMAT, window_id);
|
|
|
|
self->window_id = window_id;
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_video_sink_set_render_rectangle (GstVideoOverlay * overlay, gint x,
|
|
gint y, gint width, gint height)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (overlay);
|
|
|
|
GST_DEBUG_OBJECT (self,
|
|
"render rect x: %d, y: %d, width: %d, height %d", x, y, width, height);
|
|
|
|
GST_OBJECT_LOCK (self);
|
|
if (self->window) {
|
|
gst_d3d11_window_set_render_rectangle (self->window, x, y, width, height);
|
|
} else {
|
|
self->render_rect.x = x;
|
|
self->render_rect.y = y;
|
|
self->render_rect.w = width;
|
|
self->render_rect.h = height;
|
|
self->pending_render_rect = TRUE;
|
|
}
|
|
GST_OBJECT_UNLOCK (self);
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_video_sink_expose (GstVideoOverlay * overlay)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (overlay);
|
|
|
|
if (self->window && self->window->swap_chain) {
|
|
GstVideoRectangle rect = { 0, };
|
|
rect.w = GST_VIDEO_SINK_WIDTH (self);
|
|
rect.h = GST_VIDEO_SINK_HEIGHT (self);
|
|
|
|
gst_d3d11_window_render (self->window, NULL, &rect);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_video_sink_video_overlay_init (GstVideoOverlayInterface * iface)
|
|
{
|
|
iface->set_window_handle = gst_d3d11_video_sink_set_window_handle;
|
|
iface->set_render_rectangle = gst_d3d11_video_sink_set_render_rectangle;
|
|
iface->expose = gst_d3d11_video_sink_expose;
|
|
}
|
|
|
|
/* Navigation interface */
|
|
static void
|
|
gst_d3d11_video_sink_navigation_send_event (GstNavigation * navigation,
|
|
GstStructure * structure)
|
|
{
|
|
GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (navigation);
|
|
gboolean handled = FALSE;
|
|
GstEvent *event = NULL;
|
|
GstVideoRectangle src = { 0, };
|
|
GstVideoRectangle dst = { 0, };
|
|
GstVideoRectangle result;
|
|
gdouble x, y, xscale = 1.0, yscale = 1.0;
|
|
|
|
if (!self->window) {
|
|
gst_structure_free (structure);
|
|
return;
|
|
}
|
|
|
|
if (self->force_aspect_ratio) {
|
|
/* We get the frame position using the calculated geometry from _setcaps
|
|
that respect pixel aspect ratios */
|
|
src.w = GST_VIDEO_SINK_WIDTH (self);
|
|
src.h = GST_VIDEO_SINK_HEIGHT (self);
|
|
dst.w = self->render_rect.w;
|
|
dst.h = self->render_rect.h;
|
|
|
|
gst_video_sink_center_rect (src, dst, &result, TRUE);
|
|
result.x += self->render_rect.x;
|
|
result.y += self->render_rect.y;
|
|
} else {
|
|
memcpy (&result, &self->render_rect, sizeof (GstVideoRectangle));
|
|
}
|
|
|
|
xscale = (gdouble) GST_VIDEO_INFO_WIDTH (&self->info) / result.w;
|
|
yscale = (gdouble) GST_VIDEO_INFO_HEIGHT (&self->info) / result.h;
|
|
|
|
/* Converting pointer coordinates to the non scaled geometry */
|
|
if (gst_structure_get_double (structure, "pointer_x", &x)) {
|
|
x = MIN (x, result.x + result.w);
|
|
x = MAX (x - result.x, 0);
|
|
gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE,
|
|
(gdouble) x * xscale, NULL);
|
|
}
|
|
if (gst_structure_get_double (structure, "pointer_y", &y)) {
|
|
y = MIN (y, result.y + result.h);
|
|
y = MAX (y - result.y, 0);
|
|
gst_structure_set (structure, "pointer_y", G_TYPE_DOUBLE,
|
|
(gdouble) y * yscale, NULL);
|
|
}
|
|
|
|
event = gst_event_new_navigation (structure);
|
|
if (event) {
|
|
gst_event_ref (event);
|
|
handled = gst_pad_push_event (GST_VIDEO_SINK_PAD (self), event);
|
|
|
|
if (!handled)
|
|
gst_element_post_message (GST_ELEMENT_CAST (self),
|
|
gst_navigation_message_new_event (GST_OBJECT_CAST (self), event));
|
|
|
|
gst_event_unref (event);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_d3d11_video_sink_navigation_init (GstNavigationInterface * iface)
|
|
{
|
|
iface->send_event = gst_d3d11_video_sink_navigation_send_event;
|
|
}
|