/* GStreamer * Copyright (C) 2019 Seungha Yang * Copyright (C) 2020 Seungha Yang * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * SECTION:element-d3d11videosink * @title: d3d11videosink * * Direct3D11 based video render element * * ## Example launch line * ``` * gst-launch-1.0 videotestsrc ! d3d11videosink * ``` * This pipeline will display test video stream on screen via #d3d11videosink * * Since: 1.18 * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include "gstd3d11videosink.h" #include "gstd3d11videosinkbin.h" #include "gstd3d11pluginutils.h" enum { PROP_0, /* basesink */ PROP_SYNC, PROP_MAX_LATENESS, PROP_QOS, PROP_ASYNC, PROP_TS_OFFSET, PROP_ENABLE_LAST_SAMPLE, PROP_LAST_SAMPLE, PROP_BLOCKSIZE, PROP_RENDER_DELAY, PROP_THROTTLE_TIME, PROP_MAX_BITRATE, PROP_PROCESSING_DEADLINE, PROP_STATS, /* videosink */ PROP_SHOW_PREROLL_FRAME, /* d3d11videosink */ PROP_ADAPTER, PROP_FORCE_ASPECT_RATIO, PROP_ENABLE_NAVIGATION_EVENTS, PROP_FULLSCREEN_TOGGLE_MODE, PROP_FULLSCREEN, PROP_RENDER_STATS, PROP_DRAW_ON_SHARED_TEXTURE, }; /* basesink */ #define DEFAULT_SYNC TRUE #define DEFAULT_MAX_LATENESS -1 #define DEFAULT_QOS FALSE #define DEFAULT_ASYNC TRUE #define DEFAULT_TS_OFFSET 0 #define DEFAULT_BLOCKSIZE 4096 #define DEFAULT_RENDER_DELAY 0 #define DEFAULT_ENABLE_LAST_SAMPLE TRUE #define DEFAULT_THROTTLE_TIME 0 #define DEFAULT_MAX_BITRATE 0 #define DEFAULT_DROP_OUT_OF_SEGMENT TRUE #define DEFAULT_PROCESSING_DEADLINE (20 * GST_MSECOND) /* videosink */ #define DEFAULT_SHOW_PREROLL_FRAME TRUE /* d3d11videosink */ #define DEFAULT_ADAPTER -1 #define DEFAULT_FORCE_ASPECT_RATIO TRUE #define DEFAULT_ENABLE_NAVIGATION_EVENTS TRUE #define DEFAULT_FULLSCREEN_TOGGLE_MODE GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE #define DEFAULT_FULLSCREEN FALSE #define DEFAULT_RENDER_STATS FALSE #define DEFAULT_DRAW_ON_SHARED_TEXTURE FALSE enum { /* signals */ SIGNAL_BEGIN_DRAW, /* actions */ SIGNAL_DRAW, LAST_SIGNAL }; static guint gst_d3d11_video_sink_bin_signals[LAST_SIGNAL] = { 0, }; static GstStaticCaps pad_template_caps = GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, GST_D3D11_SINK_FORMATS) "; " GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY "," GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION, GST_D3D11_SINK_FORMATS) ";" GST_VIDEO_CAPS_MAKE (GST_D3D11_SINK_FORMATS) "; " GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY "," GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION, GST_D3D11_SINK_FORMATS)); GST_DEBUG_CATEGORY (d3d11_video_sink_bin_debug); #define GST_CAT_DEFAULT d3d11_video_sink_bin_debug struct _GstD3D11VideoSinkBin { GstBin parent; GstPad *sinkpad; GstElement *upload; GstElement *sink; }; static void gst_d3d11_video_sink_bin_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_d3d11_video_sink_bin_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_d3d11_video_sink_bin_video_overlay_init (GstVideoOverlayInterface * iface); static void gst_d3d11_video_sink_bin_navigation_init (GstNavigationInterface * iface); static void gst_d311_video_sink_bin_on_begin_draw (GstD3D11VideoSink * sink, gpointer self); static gboolean gst_d3d11_video_sink_bin_draw_action (GstD3D11VideoSinkBin * self, gpointer shared_handle, guint texture_misc_flags, guint64 acquire_key, guint64 release_key); #define gst_d3d11_video_sink_bin_parent_class parent_class G_DEFINE_TYPE_WITH_CODE (GstD3D11VideoSinkBin, gst_d3d11_video_sink_bin, GST_TYPE_BIN, G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY, gst_d3d11_video_sink_bin_video_overlay_init); G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION, gst_d3d11_video_sink_bin_navigation_init); GST_DEBUG_CATEGORY_INIT (d3d11_video_sink_bin_debug, "d3d11videosink", 0, "Direct3D11 Video Sink")); static void gst_d3d11_video_sink_bin_class_init (GstD3D11VideoSinkBinClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstCaps *caps; gobject_class->set_property = gst_d3d11_video_sink_bin_set_property; gobject_class->get_property = gst_d3d11_video_sink_bin_get_property; /* basesink */ g_object_class_install_property (gobject_class, PROP_SYNC, g_param_spec_boolean ("sync", "Sync", "Sync on the clock", DEFAULT_SYNC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_MAX_LATENESS, g_param_spec_int64 ("max-lateness", "Max Lateness", "Maximum number of nanoseconds that a buffer can be late before it " "is dropped (-1 unlimited)", -1, G_MAXINT64, DEFAULT_MAX_LATENESS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_QOS, g_param_spec_boolean ("qos", "Qos", "Generate Quality-of-Service events upstream", DEFAULT_QOS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_ASYNC, g_param_spec_boolean ("async", "Async", "Go asynchronously to PAUSED", DEFAULT_ASYNC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_TS_OFFSET, g_param_spec_int64 ("ts-offset", "TS Offset", "Timestamp offset in nanoseconds", G_MININT64, G_MAXINT64, DEFAULT_TS_OFFSET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_ENABLE_LAST_SAMPLE, g_param_spec_boolean ("enable-last-sample", "Enable Last Buffer", "Enable the last-sample property", DEFAULT_ENABLE_LAST_SAMPLE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_LAST_SAMPLE, g_param_spec_boxed ("last-sample", "Last Sample", "The last sample received in the sink", GST_TYPE_SAMPLE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_BLOCKSIZE, g_param_spec_uint ("blocksize", "Block size", "Size in bytes to pull per buffer (0 = default)", 0, G_MAXUINT, DEFAULT_BLOCKSIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_RENDER_DELAY, g_param_spec_uint64 ("render-delay", "Render Delay", "Additional render delay of the sink in nanoseconds", 0, G_MAXUINT64, DEFAULT_RENDER_DELAY, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_THROTTLE_TIME, g_param_spec_uint64 ("throttle-time", "Throttle time", "The time to keep between rendered buffers (0 = disabled)", 0, G_MAXUINT64, DEFAULT_THROTTLE_TIME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_MAX_BITRATE, g_param_spec_uint64 ("max-bitrate", "Max Bitrate", "The maximum bits per second to render (0 = disabled)", 0, G_MAXUINT64, DEFAULT_MAX_BITRATE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_PROCESSING_DEADLINE, g_param_spec_uint64 ("processing-deadline", "Processing deadline", "Maximum processing deadline in nanoseconds", 0, G_MAXUINT64, DEFAULT_PROCESSING_DEADLINE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_STATS, g_param_spec_boxed ("stats", "Statistics", "Sink Statistics", GST_TYPE_STRUCTURE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); /* videosink */ g_object_class_install_property (gobject_class, PROP_SHOW_PREROLL_FRAME, g_param_spec_boolean ("show-preroll-frame", "Show preroll frame", "Whether to render video frames during preroll", DEFAULT_SHOW_PREROLL_FRAME, G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); /* d3d11videosink */ g_object_class_install_property (gobject_class, PROP_ADAPTER, g_param_spec_int ("adapter", "Adapter", "Adapter index for creating device (-1 for default)", -1, G_MAXINT32, DEFAULT_ADAPTER, G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_FORCE_ASPECT_RATIO, g_param_spec_boolean ("force-aspect-ratio", "Force aspect ratio", "When enabled, scaling will respect original aspect ratio", DEFAULT_FORCE_ASPECT_RATIO, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_ENABLE_NAVIGATION_EVENTS, g_param_spec_boolean ("enable-navigation-events", "Enable navigation events", "When enabled, navigation events are sent upstream", DEFAULT_ENABLE_NAVIGATION_EVENTS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_FULLSCREEN_TOGGLE_MODE, g_param_spec_flags ("fullscreen-toggle-mode", "Full screen toggle mode", "Full screen toggle mode used to trigger fullscreen mode change", GST_D3D11_WINDOW_TOGGLE_MODE_GET_TYPE, DEFAULT_FULLSCREEN_TOGGLE_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_FULLSCREEN, g_param_spec_boolean ("fullscreen", "fullscreen", "Ignored when \"fullscreen-toggle-mode\" does not include \"property\"", DEFAULT_FULLSCREEN, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); #ifdef HAVE_DIRECT_WRITE g_object_class_install_property (gobject_class, PROP_RENDER_STATS, g_param_spec_boolean ("render-stats", "Render Stats", "Render statistics data (e.g., average framerate) on window", DEFAULT_RENDER_STATS, GST_PARAM_CONDITIONALLY_AVAILABLE | GST_PARAM_MUTABLE_READY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); #endif /** * GstD3D11VideoSinkBin:draw-on-shared-texture: * * Instruct the sink to draw on a shared texture provided by user. * User must watch #d3d11videosink::begin-draw signal and should call * #d3d11videosink::draw method on the #d3d11videosink::begin-draw * signal handler. * * Currently supported formats for user texture are: * - DXGI_FORMAT_R8G8B8A8_UNORM * - DXGI_FORMAT_B8G8R8A8_UNORM * - DXGI_FORMAT_R10G10B10A2_UNORM * * Since: 1.20 */ g_object_class_install_property (gobject_class, PROP_DRAW_ON_SHARED_TEXTURE, g_param_spec_boolean ("draw-on-shared-texture", "Draw on shared texture", "Draw on user provided shared texture instead of window. " "When enabled, user can pass application's own texture to sink " "by using \"draw\" action signal on \"begin-draw\" signal handler, " "so that sink can draw video data on application's texture. " "Supported texture formats for user texture are " "DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, and " "DXGI_FORMAT_R10G10B10A2_UNORM.", DEFAULT_DRAW_ON_SHARED_TEXTURE, G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY | G_PARAM_STATIC_STRINGS)); /** * GstD3D11VideoSinkBin::begin-draw: * @videosink: the #d3d11videosink * * Emitted when sink has a texture to draw. Application needs to invoke * #d3d11videosink::draw action signal before returning from * #d3d11videosink::begin-draw signal handler. * * Since: 1.20 */ gst_d3d11_video_sink_bin_signals[SIGNAL_BEGIN_DRAW] = g_signal_new ("begin-draw", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstD3D11VideoSinkBinClass, begin_draw), NULL, NULL, NULL, G_TYPE_NONE, 0, G_TYPE_NONE); /** * GstD3D11VideoSinkBin::draw: * @videosink: the #d3d11videosink * @shard_handle: a pointer to HANDLE * @texture_misc_flags: a D3D11_RESOURCE_MISC_FLAG value * @acquire_key: a key value used for IDXGIKeyedMutex::AcquireSync * @release_key: a key value used for IDXGIKeyedMutex::ReleaseSync * * Draws on a shared texture. @shard_handle must be a valid pointer to * a HANDLE which was obtained via IDXGIResource::GetSharedHandle or * IDXGIResource1::CreateSharedHandle. * * If the texture was created with D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX flag, * caller must specify valid @acquire_key and @release_key. * Otherwise (i.e., created with D3D11_RESOURCE_MISC_SHARED flag), * @acquire_key and @release_key will be ignored. * * Since: 1.20 */ gst_d3d11_video_sink_bin_signals[SIGNAL_DRAW] = g_signal_new ("draw", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GstD3D11VideoSinkBinClass, draw), NULL, NULL, NULL, G_TYPE_BOOLEAN, 4, G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT64, G_TYPE_UINT64); klass->draw = gst_d3d11_video_sink_bin_draw_action; gst_element_class_set_static_metadata (element_class, "Direct3D11 video sink bin", "Sink/Video", "A Direct3D11 based videosink bin", "Seungha Yang "); caps = gst_d3d11_get_updated_template_caps (&pad_template_caps); gst_element_class_add_pad_template (element_class, gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps)); gst_caps_unref (caps); } static void gst_d3d11_video_sink_bin_init (GstD3D11VideoSinkBin * self) { GstPad *pad; GstD3D11VideoSinkCallbacks callbacks; self->upload = gst_element_factory_make ("d3d11upload", NULL); if (!self->upload) { GST_ERROR_OBJECT (self, "d3d11upload unavailable"); return; } self->sink = gst_element_factory_make ("d3d11videosinkelement", NULL); if (!self->sink) { gst_clear_object (&self->upload); GST_ERROR_OBJECT (self, "d3d11videosinkelement unavailable"); return; } callbacks.begin_draw = gst_d311_video_sink_bin_on_begin_draw; gst_d3d11_video_sink_set_callbacks (GST_D3D11_VIDEO_SINK (self->sink), &callbacks, self); gst_bin_add_many (GST_BIN (self), self->upload, self->sink, NULL); gst_element_link_many (self->upload, self->sink, NULL); pad = gst_element_get_static_pad (self->upload, "sink"); self->sinkpad = gst_ghost_pad_new ("sink", pad); gst_element_add_pad (GST_ELEMENT_CAST (self), self->sinkpad); gst_object_unref (pad); } static void gst_d3d11_video_sink_bin_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstD3D11VideoSinkBin *self = GST_D3D11_VIDEO_SINK_BIN (object); GParamSpec *sink_pspec; sink_pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (self->sink), pspec->name); if (sink_pspec && G_PARAM_SPEC_TYPE (sink_pspec) == G_PARAM_SPEC_TYPE (pspec)) { g_object_set_property (G_OBJECT (self->sink), pspec->name, value); } else { G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); } } static void gst_d3d11_video_sink_bin_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstD3D11VideoSinkBin *self = GST_D3D11_VIDEO_SINK_BIN (object); g_object_get_property (G_OBJECT (self->sink), pspec->name, value); } static void gst_d311_video_sink_bin_on_begin_draw (GstD3D11VideoSink * sink, gpointer self) { g_signal_emit (self, gst_d3d11_video_sink_bin_signals[SIGNAL_BEGIN_DRAW], 0, NULL); } static gboolean gst_d3d11_video_sink_bin_draw_action (GstD3D11VideoSinkBin * self, gpointer shared_handle, guint texture_misc_flags, guint64 acquire_key, guint64 release_key) { if (!self->sink) { GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, ("D3D11VideoSink element wasn't configured"), (NULL)); return FALSE; } return gst_d3d11_video_sink_draw (GST_D3D11_VIDEO_SINK (self->sink), shared_handle, texture_misc_flags, acquire_key, release_key); } /* VideoOverlay interface */ static void gst_d3d11_video_sink_bin_set_window_handle (GstVideoOverlay * overlay, guintptr window_id) { GstD3D11VideoSinkBin *self = GST_D3D11_VIDEO_SINK_BIN (overlay); gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (self->sink), window_id); } static void gst_d3d11_video_sink_bin_set_render_rectangle (GstVideoOverlay * overlay, gint x, gint y, gint width, gint height) { GstD3D11VideoSinkBin *self = GST_D3D11_VIDEO_SINK_BIN (overlay); gst_video_overlay_set_render_rectangle (GST_VIDEO_OVERLAY (self->sink), x, y, width, height); } static void gst_d3d11_video_sink_bin_expose (GstVideoOverlay * overlay) { GstD3D11VideoSinkBin *self = GST_D3D11_VIDEO_SINK_BIN (overlay); gst_video_overlay_expose (GST_VIDEO_OVERLAY (self->sink)); } static void gst_d3d11_video_sink_bin_handle_events (GstVideoOverlay * overlay, gboolean handle_events) { GstD3D11VideoSinkBin *self = GST_D3D11_VIDEO_SINK_BIN (overlay); gst_video_overlay_handle_events (GST_VIDEO_OVERLAY (self->sink), handle_events); } static void gst_d3d11_video_sink_bin_video_overlay_init (GstVideoOverlayInterface * iface) { iface->set_window_handle = gst_d3d11_video_sink_bin_set_window_handle; iface->set_render_rectangle = gst_d3d11_video_sink_bin_set_render_rectangle; iface->expose = gst_d3d11_video_sink_bin_expose; iface->handle_events = gst_d3d11_video_sink_bin_handle_events; } /* Navigation interface */ static void gst_d3d11_video_sink_bin_navigation_send_event (GstNavigation * navigation, GstStructure * structure) { GstD3D11VideoSinkBin *self = GST_D3D11_VIDEO_SINK_BIN (navigation); gst_navigation_send_event (GST_NAVIGATION (self->sink), structure); } static void gst_d3d11_video_sink_bin_navigation_init (GstNavigationInterface * iface) { iface->send_event = gst_d3d11_video_sink_bin_navigation_send_event; }