/* GStreamer * Copyright (C) 2023 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstd3d12videosink.h" #include "gstd3d12pluginutils.h" #include "gstd3d12window.h" #include #include #include /** * GstD3D12VideoSinkDisplayFormat: * * Swapchain display format * * Since: 1.26 */ #define GST_TYPE_D3D12_VIDEO_SINK_DISPLAY_FORMAT (gst_d3d12_video_sink_display_format_type()) static GType gst_d3d12_video_sink_display_format_type (void) { static GType format_type = 0; GST_D3D12_CALL_ONCE_BEGIN { static const GEnumValue format_types[] = { /** * GstD3D12VideoSinkDisplayFormat::unknown: * * Since: 1.26 */ {DXGI_FORMAT_UNKNOWN, "DXGI_FORMAT_UNKNOWN", "unknown"}, /** * GstD3D12VideoSinkDisplayFormat::r10g10b10a2-unorm: * * Since: 1.26 */ {DXGI_FORMAT_R10G10B10A2_UNORM, "DXGI_FORMAT_R10G10B10A2_UNORM", "r10g10b10a2-unorm"}, /** * GstD3D12VideoSinkDisplayFormat::r8g8b8a8-unorm: * * Since: 1.26 */ {DXGI_FORMAT_R8G8B8A8_UNORM, "DXGI_FORMAT_R8G8B8A8_UNORM", "r8g8b8a8-unorm"}, /** * GstD3D12VideoSinkDisplayFormat::b8g8r8a8-unorm: * * Since: 1.26 */ {DXGI_FORMAT_B8G8R8A8_UNORM, "DXGI_FORMAT_B8G8R8A8_UNORM", "b8g8r8a8-unorm"}, {0, nullptr, nullptr}, }; format_type = g_enum_register_static ("GstD3D12VideoSinkDisplayFormat", format_types); } GST_D3D12_CALL_ONCE_END; return format_type; } enum { PROP_0, PROP_ADAPTER, PROP_FORCE_ASPECT_RATIO, PROP_ENABLE_NAVIGATION_EVENTS, PROP_ROTATE_METHOD, PROP_FULLSCREEN_ON_ALT_ENTER, PROP_FULLSCREEN, PROP_MSAA, PROP_REDRAW_ON_UPDATE, PROP_FOV, PROP_ORTHO, PROP_ROTATION_X, PROP_ROTATION_Y, PROP_ROTATION_Z, PROP_SCALE_X, PROP_SCALE_Y, PROP_SAMPLING_METHOD, PROP_GAMMA_MODE, PROP_PRIMARIES_MODE, PROP_OVERLAY_MODE, PROP_DISPLAY_FORMAT, PROP_ERROR_ON_CLOSED, PROP_EXTERNAL_WINDOW_ONLY, PROP_DIRECT_SWAPCHAIN, }; #define DEFAULT_ADAPTER -1 #define DEFAULT_FORCE_ASPECT_RATIO TRUE #define DEFAULT_ENABLE_NAVIGATION_EVENTS TRUE #define DEFAULT_ROTATE_METHOD GST_VIDEO_ORIENTATION_IDENTITY #define DEFAULT_FULLSCREEN_ON_ALT_ENTER FALSE #define DEFAULT_FULLSCREEN FALSE #define DEFAULT_MSAA GST_D3D12_MSAA_DISABLED #define DEFAULT_REDROW_ON_UPDATE TRUE #define DEFAULT_ROTATION 0.0f #define DEFAULT_SCALE 1.0f #define DEFAULT_FOV 90.0f #define DEFAULT_ORTHO FALSE #define DEFAULT_SAMPLING_METHOD GST_D3D12_SAMPLING_METHOD_BILINEAR #define DEFAULT_GAMMA_MODE GST_VIDEO_GAMMA_MODE_NONE #define DEFAULT_PRIMARIES_MODE GST_VIDEO_PRIMARIES_MODE_NONE #define DEFAULT_OVERLAY_MODE GST_D3D12_WINDOW_OVERLAY_NONE #define DEFAULT_DISPLAY_FORMAT DXGI_FORMAT_UNKNOWN #define DEFAULT_ERROR_ON_CLOSED TRUE #define DEFAULT_EXTERNAL_WINDOW_ONLY FALSE #define DEFAULT_DIRECT_SWAPCHAIN FALSE enum { SIGNAL_OVERLAY, SIGNAL_LAST }; static guint d3d12_video_sink_signals[SIGNAL_LAST] = { 0, }; static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY, GST_D3D12_ALL_FORMATS) "; " GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY "," GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION, GST_D3D12_ALL_FORMATS) ";" GST_VIDEO_CAPS_MAKE (GST_D3D12_ALL_FORMATS) "; " GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY "," GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION, GST_D3D12_ALL_FORMATS))); GST_DEBUG_CATEGORY_STATIC (gst_d3d12_video_sink_debug); #define GST_CAT_DEFAULT gst_d3d12_video_sink_debug /* *INDENT-OFF* */ struct GstD3D12VideoSinkPrivate { GstD3D12VideoSinkPrivate () { window = gst_d3d12_window_new (); convert_config = gst_structure_new_empty ("convert-config"); } ~GstD3D12VideoSinkPrivate () { gst_structure_free (convert_config); gst_clear_caps (&caps); gst_clear_object (&window); if (pool) { gst_buffer_pool_set_active (pool, FALSE); gst_object_unref (pool); } } GstD3D12Window *window; guintptr window_handle = 0; gboolean window_handle_updated = FALSE; std::recursive_mutex context_lock; GstVideoInfo info; GstCaps *caps = nullptr; gboolean update_window = FALSE; GstBufferPool *pool = nullptr; GstStructure *convert_config; gboolean warn_closed_window = FALSE; gboolean window_open_called = FALSE; std::recursive_mutex lock; /* properties */ std::atomic adapter = { DEFAULT_ADAPTER }; gboolean force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO; gboolean enable_navigation = DEFAULT_ENABLE_NAVIGATION_EVENTS; GstVideoOrientationMethod orientation = DEFAULT_ROTATE_METHOD; GstVideoOrientationMethod orientation_from_tag = DEFAULT_ROTATE_METHOD; GstVideoOrientationMethod orientation_selected = DEFAULT_ROTATE_METHOD; gboolean fullscreen_on_alt_enter = DEFAULT_FULLSCREEN_ON_ALT_ENTER; gboolean fullscreen = DEFAULT_FULLSCREEN; GstD3D12MSAAMode msaa = DEFAULT_MSAA; gboolean redraw_on_update = DEFAULT_REDROW_ON_UPDATE; gfloat fov = DEFAULT_FOV; gboolean ortho = DEFAULT_ORTHO; gfloat rotation_x = DEFAULT_ROTATION; gfloat rotation_y = DEFAULT_ROTATION; gfloat rotation_z = DEFAULT_ROTATION; gfloat scale_x = DEFAULT_SCALE; gfloat scale_y = DEFAULT_SCALE; GstVideoGammaMode gamma_mode = DEFAULT_GAMMA_MODE; GstVideoPrimariesMode primaries_mode = DEFAULT_PRIMARIES_MODE; GstD3D12SamplingMethod sampling_method = DEFAULT_SAMPLING_METHOD; GstD3D12WindowOverlayMode overlay_mode = DEFAULT_OVERLAY_MODE; DXGI_FORMAT display_format = DEFAULT_DISPLAY_FORMAT; std::atomic error_on_closed = { DEFAULT_ERROR_ON_CLOSED }; gboolean external_only = DEFAULT_EXTERNAL_WINDOW_ONLY; std::atomic direct_swapchain = { DEFAULT_DIRECT_SWAPCHAIN }; }; /* *INDENT-ON* */ struct _GstD3D12VideoSink { GstVideoSink parent; GstD3D12Device *device; GstD3D12VideoSinkPrivate *priv; }; static void gst_d3d12_video_sink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_d3d12_video_sink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_d3d12_video_sink_dispose (GObject * object); static void gst_d3d12_video_sink_finalize (GObject * object); static void gst_d3d12_video_sink_set_context (GstElement * element, GstContext * context); static gboolean gst_d3d12_video_sink_start (GstBaseSink * sink); static gboolean gst_d3d12_video_sink_stop (GstBaseSink * sink); static gboolean gst_d3d12_video_sink_unlock (GstBaseSink * sink); static gboolean gst_d3d12_video_sink_unlock_stop (GstBaseSink * sink); static gboolean gst_d3d12_video_sink_propose_allocation (GstBaseSink * sink, GstQuery * query); static gboolean gst_d3d12_video_sink_query (GstBaseSink * sink, GstQuery * query); static GstFlowReturn gst_d3d12_video_sink_prepare (GstBaseSink * sink, GstBuffer * buf); static gboolean gst_d3d12_video_sink_event (GstBaseSink * sink, GstEvent * event); static gboolean gst_d3d12_video_sink_set_info (GstVideoSink * sink, GstCaps * caps, const GstVideoInfo * info); static GstFlowReturn gst_d3d12_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buf); static void gst_d3d12_video_sink_set_orientation (GstD3D12VideoSink * self, GstVideoOrientationMethod method, gboolean from_tag); static void gst_d3d12_video_sink_key_event (GstD3D12Window * window, const gchar * event, const gchar * key, GstD3D12VideoSink * self); static void gst_d3d12_video_sink_mouse_event (GstD3D12Window * window, const gchar * event, gint button, gdouble x, gdouble y, guint modifier, GstD3D12VideoSink * self); static void gst_d3d12_video_sink_on_fullscreen (GstD3D12Window * window, gboolean is_fullscreen, GstD3D12VideoSink * self); static void gst_d3d12_video_sink_on_overlay (GstD3D12Window * window, gpointer command_queue, gpointer resource12, gpointer device11on12, gpointer resource11, gpointer context2d, gpointer viewport, GstD3D12VideoSink * self); static void gst_d3d12_video_sink_video_overlay_init (GstVideoOverlayInterface * iface); static void gst_d3d12_video_sink_navigation_init (GstNavigationInterface * iface); #define gst_d3d12_video_sink_parent_class parent_class G_DEFINE_TYPE_WITH_CODE (GstD3D12VideoSink, gst_d3d12_video_sink, GST_TYPE_VIDEO_SINK, G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY, gst_d3d12_video_sink_video_overlay_init); G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION, gst_d3d12_video_sink_navigation_init); GST_DEBUG_CATEGORY_INIT (gst_d3d12_video_sink_debug, "d3d12videosink", 0, "d3d12videosink")); static void gst_d3d12_video_sink_class_init (GstD3D12VideoSinkClass * klass) { auto object_class = G_OBJECT_CLASS (klass); auto element_class = GST_ELEMENT_CLASS (klass); auto basesink_class = GST_BASE_SINK_CLASS (klass); auto videosink_class = GST_VIDEO_SINK_CLASS (klass); object_class->set_property = gst_d3d12_video_sink_set_property; object_class->get_property = gst_d3d12_video_sink_get_property; object_class->dispose = gst_d3d12_video_sink_dispose; object_class->finalize = gst_d3d12_video_sink_finalize; g_object_class_install_property (object_class, PROP_ADAPTER, g_param_spec_int ("adapter", "Adapter", "Adapter index for creating device (-1 for default)", -1, G_MAXINT32, DEFAULT_ADAPTER, (GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_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, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_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, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_ROTATE_METHOD, g_param_spec_enum ("rotate-method", "Rotate Method", "Rotate method to use", GST_TYPE_VIDEO_ORIENTATION_METHOD, GST_VIDEO_ORIENTATION_IDENTITY, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_FULLSCREEN_ON_ALT_ENTER, g_param_spec_boolean ("fullscreen-on-alt-enter", "Fullscreen on Alt Enter", "Enable fullscreen toggle on alt+enter key input", DEFAULT_FULLSCREEN_ON_ALT_ENTER, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_FULLSCREEN, g_param_spec_boolean ("fullscreen", "Fullscreen", "Fullscreen mode", DEFAULT_FULLSCREEN, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_MSAA, g_param_spec_enum ("msaa", "MSAA", "MSAA (Multi-Sampling Anti-Aliasing) level", GST_TYPE_D3D12_MSAA_MODE, DEFAULT_MSAA, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_REDRAW_ON_UPDATE, g_param_spec_boolean ("redraw-on-update", "redraw-on-update", "Immediately apply updated geometry related properties and redraw. " "If disabled, properties will be applied on the next frame or " "window resize", DEFAULT_REDROW_ON_UPDATE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_FOV, g_param_spec_float ("fov", "Fov", "Field of view angle in degrees", 0, G_MAXFLOAT, DEFAULT_FOV, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_ORTHO, g_param_spec_boolean ("ortho", "Orthographic", "Use orthographic projection", DEFAULT_ORTHO, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_ROTATION_X, g_param_spec_float ("rotation-x", "Rotation X", "x-axis rotation angle in degrees", -G_MAXFLOAT, G_MAXFLOAT, DEFAULT_ROTATION, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_ROTATION_Y, g_param_spec_float ("rotation-y", "Rotation Y", "y-axis rotation angle in degrees", -G_MAXFLOAT, G_MAXFLOAT, DEFAULT_ROTATION, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_ROTATION_Z, g_param_spec_float ("rotation-z", "Rotation Z", "z-axis rotation angle in degrees", -G_MAXFLOAT, G_MAXFLOAT, DEFAULT_ROTATION, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_SCALE_X, g_param_spec_float ("scale-x", "Scale X", "Scale multiplier for x-axis", -G_MAXFLOAT, G_MAXFLOAT, DEFAULT_SCALE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_SCALE_Y, g_param_spec_float ("scale-y", "Scale Y", "Scale multiplier for y-axis", -G_MAXFLOAT, G_MAXFLOAT, DEFAULT_SCALE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_GAMMA_MODE, g_param_spec_enum ("gamma-mode", "Gamma mode", "Gamma conversion mode", GST_TYPE_VIDEO_GAMMA_MODE, DEFAULT_GAMMA_MODE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_PRIMARIES_MODE, g_param_spec_enum ("primaries-mode", "Primaries Mode", "Primaries conversion mode", GST_TYPE_VIDEO_PRIMARIES_MODE, DEFAULT_PRIMARIES_MODE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); g_object_class_install_property (object_class, PROP_SAMPLING_METHOD, g_param_spec_enum ("sampling-method", "Sampling method", "Sampler filter type to use", GST_TYPE_D3D12_SAMPLING_METHOD, DEFAULT_SAMPLING_METHOD, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); /** * GstD3D12VideoSink:overlay-mode: * * Overly signal type * * Since: 1.26 */ g_object_class_install_property (object_class, PROP_OVERLAY_MODE, g_param_spec_flags ("overlay-mode", "Overlay Mode", "Overlay signal type to use", GST_TYPE_D3D12_WINDOW_OVERLAY_MODE, DEFAULT_OVERLAY_MODE, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); /** * GstD3D12VideoSink:display-format: * * Swapchain display format * * Since: 1.26 */ g_object_class_install_property (object_class, PROP_DISPLAY_FORMAT, g_param_spec_enum ("display-format", "Display Format", "Swapchain display format", GST_TYPE_D3D12_VIDEO_SINK_DISPLAY_FORMAT, DEFAULT_DISPLAY_FORMAT, (GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY | G_PARAM_STATIC_STRINGS))); /** * GstD3D12VideoSink:error-on-closed: * * Posts error message if window got closed in playing or paused state * * Since: 1.26 */ g_object_class_install_property (object_class, PROP_ERROR_ON_CLOSED, g_param_spec_boolean ("error-on-closed", "Error On Closed", "Posts error message and return flow error if window is closed " "in playing or paused state", DEFAULT_ERROR_ON_CLOSED, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); /** * GstD3D12VideoSink:external-window-only: * * If enabled and window handle is not set by user, videosink will report * error instead of creating videosink's own window. * * Since: 1.26 */ g_object_class_install_property (object_class, PROP_EXTERNAL_WINDOW_ONLY, g_param_spec_boolean ("external-window-only", "External Window Only", "Disallow creating videosink's own window when overlay handle is not set", DEFAULT_EXTERNAL_WINDOW_ONLY, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); /** * GstD3D12VideoSink:direct-swapchain: * * Attach DXGI swapchain to external window handle directly, instead of * creating child window. Note that once direct swapchain is configured, * GDI will no longer work with the given window handle. * * If enabled, GstVideoOverlay::set_render_rectangle() will be ignored, * and application should handle window positioning. * * Since: 1.26 */ g_object_class_install_property (object_class, PROP_DIRECT_SWAPCHAIN, g_param_spec_boolean ("direct-swapchain", "Direct Swapchain", "Attach DXGI swapchain to external window handle directly", DEFAULT_DIRECT_SWAPCHAIN, (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS))); /** * GstD3D12VideoSink::overlay: * @d3d12videosink: the d3d12videosink element that emitted the signal * @command_queue: ID3D12CommandQueue * @resource12: ID3D12Resource * @device11on12: (nullable): ID3D11On12Device * @resource11: (nullable): ID3D11Texture2D * @context2d: (nullable): ID2D1DeviceContext2 * @viewport: (nullable): D3D12_RECT, d3d12videosink's current viewport * * Signal emitted with Direct3D12, Direct3D11 and Direct2D resources * associated with swapchain backbuffer. * * This signal is emitted from the streaming thread if "overlay-mode" property * includes GST_D3D12_WINDOW_OVERLAY_D3D12. The @resource12 is a render target * backbuffer of the swapchain. The Resource state of @resource12 when this * signal is emitted will be always D3D12_RESOURCE_STATE_RENDER_TARGET and * signal handler should make sure the state is * D3D12_RESOURCE_STATE_RENDER_TARGET when signal handler is returned, * so that state change to final D3D12_RESOURCE_STATE_PRESENT can be * processed by videosink. * * In addition to the d2d12 resources, if "overlay-mode" includes * GST_D3D12_WINDOW_OVERLAY_D3D11 flag and d3d11on12 API is supported by * system, @device11on12 and @resource11 will be valid handles. * Singla handler should not assume the @device11on12 and @resource11 * are always valid handle since d3d11on12 API may not be supported. * The @resource11 is wrapped resource created via * ID3D11On12Device::CreateWrappedResource(). Thus, signal handler must follow * required steps for d3d11on12 device, for example, * ID3D11On12Device::AcquireWrappedResources() must be called before recoding * GPU commands. Once GPU commands are recoded via d3d11 or d2d APIs, * the resource should be released via * ID3D11On12Device::ReleaseWrappedResources(), and then * ID3D11DeviceContext::Flush() must be called in the signal handler. * * If "overlay-mode" is GST_D3D12_WINDOW_OVERLAY_D2D and d2d device is * available, @context2d will be valid handle. When this signal is emitted, * @context2d has configured render target already. The D2D render target * is also a resource derived from @resource11 and it's swapchain's backbuffer. * The same step for d3d11 resource (i.e., acquire, release, and flush) * is required for d2d as well. * * Since the resource is swapchain's backbuffer, signal handler must not hold * any derived resources such as ID3D11RenderTargetView, so that videosink * can clear swapchain resources and resize anytime it's needed. * * Since: 1.26 */ d3d12_video_sink_signals[SIGNAL_OVERLAY] = g_signal_new_class_handler ("overlay", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, nullptr, nullptr, nullptr, nullptr, G_TYPE_NONE, 6, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER); element_class->set_context = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_set_context); gst_element_class_set_static_metadata (element_class, "Direct3D12 Video Sink", "Sink/Video", "A Direct3D12 Video Sink", "Seungha Yang "); gst_element_class_add_static_pad_template (element_class, &sink_template); basesink_class->start = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_start); basesink_class->stop = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_stop); basesink_class->unlock = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_unlock); basesink_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_unlock_stop); basesink_class->propose_allocation = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_propose_allocation); basesink_class->query = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_query); basesink_class->prepare = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_prepare); basesink_class->event = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_event); videosink_class->set_info = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_set_info); videosink_class->show_frame = GST_DEBUG_FUNCPTR (gst_d3d12_video_sink_show_frame); gst_type_mark_as_plugin_api (GST_TYPE_D3D12_MSAA_MODE, (GstPluginAPIFlags) 0); gst_type_mark_as_plugin_api (GST_TYPE_D3D12_SAMPLING_METHOD, (GstPluginAPIFlags) 0); } static void gst_d3d12_video_sink_init (GstD3D12VideoSink * self) { self->priv = new GstD3D12VideoSinkPrivate (); auto priv = self->priv; g_signal_connect (priv->window, "key-event", G_CALLBACK (gst_d3d12_video_sink_key_event), self); g_signal_connect (priv->window, "mouse-event", G_CALLBACK (gst_d3d12_video_sink_mouse_event), self); g_signal_connect (priv->window, "fullscreen", G_CALLBACK (gst_d3d12_video_sink_on_fullscreen), self); g_signal_connect (priv->window, "overlay", G_CALLBACK (gst_d3d12_video_sink_on_overlay), self); } static void gst_d3d12_video_sink_dispose (GObject * object) { auto self = GST_D3D12_VIDEO_SINK (object); auto priv = self->priv; gst_d3d12_window_invalidate (priv->window); g_signal_handlers_disconnect_by_data (priv->window, self); G_OBJECT_CLASS (parent_class)->dispose (object); } static void gst_d3d12_video_sink_finalize (GObject * object) { auto self = GST_D3D12_VIDEO_SINK (object); delete self->priv; gst_clear_object (&self->device); G_OBJECT_CLASS (parent_class)->finalize (object); } static void gst_d3d12_video_sink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { auto self = GST_D3D12_VIDEO_SINK (object); auto priv = self->priv; std::lock_guard < std::recursive_mutex > lk (priv->lock); switch (prop_id) { case PROP_ADAPTER: priv->adapter = g_value_get_int (value); break; case PROP_FORCE_ASPECT_RATIO: priv->force_aspect_ratio = g_value_get_boolean (value); gst_d3d12_window_set_force_aspect_ratio (priv->window, priv->force_aspect_ratio); break; case PROP_ENABLE_NAVIGATION_EVENTS: priv->enable_navigation = g_value_get_boolean (value); gst_d3d12_window_set_enable_navigation_events (priv->window, priv->enable_navigation); break; case PROP_ROTATE_METHOD: gst_d3d12_video_sink_set_orientation (self, (GstVideoOrientationMethod) g_value_get_enum (value), FALSE); break; case PROP_FULLSCREEN_ON_ALT_ENTER: priv->fullscreen_on_alt_enter = g_value_get_boolean (value); gst_d3d12_window_enable_fullscreen_on_alt_enter (priv->window, priv->fullscreen_on_alt_enter); break; case PROP_FULLSCREEN: priv->fullscreen = g_value_get_boolean (value); gst_d3d12_window_set_fullscreen (priv->window, priv->fullscreen); break; case PROP_MSAA: priv->msaa = (GstD3D12MSAAMode) g_value_get_enum (value); gst_d3d12_window_set_msaa (priv->window, priv->msaa); break; case PROP_REDRAW_ON_UPDATE: priv->redraw_on_update = g_value_get_boolean (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_FOV: priv->fov = g_value_get_float (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_ORTHO: priv->ortho = g_value_get_boolean (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_ROTATION_X: priv->rotation_x = g_value_get_float (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_ROTATION_Y: priv->rotation_y = g_value_get_float (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_ROTATION_Z: priv->rotation_z = g_value_get_float (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_SCALE_X: priv->scale_x = g_value_get_float (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_SCALE_Y: priv->scale_y = g_value_get_float (value); gst_d3d12_video_sink_set_orientation (self, priv->orientation, FALSE); break; case PROP_GAMMA_MODE: { auto gamma_mode = (GstVideoGammaMode) g_value_get_enum (value); if (priv->gamma_mode != gamma_mode) { priv->gamma_mode = gamma_mode; priv->update_window = TRUE; } break; } case PROP_PRIMARIES_MODE: { auto primaries_mode = (GstVideoPrimariesMode) g_value_get_enum (value); if (priv->primaries_mode != primaries_mode) { priv->primaries_mode = primaries_mode; priv->update_window = TRUE; } break; } case PROP_SAMPLING_METHOD: { auto sampling_method = (GstD3D12SamplingMethod) g_value_get_enum (value); if (priv->sampling_method != sampling_method) { priv->sampling_method = sampling_method; priv->update_window = TRUE; } break; } case PROP_OVERLAY_MODE: priv->overlay_mode = (GstD3D12WindowOverlayMode) g_value_get_flags (value); gst_d3d12_window_set_overlay_mode (priv->window, priv->overlay_mode); break; case PROP_DISPLAY_FORMAT: priv->display_format = (DXGI_FORMAT) g_value_get_enum (value); break; case PROP_ERROR_ON_CLOSED: priv->error_on_closed = g_value_get_boolean (value); break; case PROP_EXTERNAL_WINDOW_ONLY: priv->external_only = g_value_get_boolean (value); break; case PROP_DIRECT_SWAPCHAIN: priv->direct_swapchain = g_value_get_boolean (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_d3d12_video_sink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { auto self = GST_D3D12_VIDEO_SINK (object); auto priv = self->priv; std::lock_guard < std::recursive_mutex > lk (priv->lock); switch (prop_id) { case PROP_ADAPTER: g_value_set_int (value, priv->adapter); break; case PROP_FORCE_ASPECT_RATIO: g_value_set_boolean (value, priv->force_aspect_ratio); break; case PROP_ENABLE_NAVIGATION_EVENTS: g_value_set_boolean (value, priv->enable_navigation); break; case PROP_ROTATE_METHOD: g_value_set_enum (value, priv->orientation); break; case PROP_FULLSCREEN_ON_ALT_ENTER: g_value_set_boolean (value, priv->fullscreen_on_alt_enter); break; case PROP_FULLSCREEN: g_value_set_boolean (value, priv->fullscreen); break; case PROP_MSAA: g_value_set_enum (value, priv->msaa); break; case PROP_REDRAW_ON_UPDATE: g_value_set_boolean (value, priv->redraw_on_update); break; case PROP_FOV: g_value_set_float (value, priv->fov); break; case PROP_ORTHO: g_value_set_boolean (value, priv->ortho); break; case PROP_ROTATION_X: g_value_set_float (value, priv->rotation_x); break; case PROP_ROTATION_Y: g_value_set_float (value, priv->rotation_x); break; case PROP_ROTATION_Z: g_value_set_float (value, priv->rotation_z); break; case PROP_SCALE_X: g_value_set_float (value, priv->scale_x); break; case PROP_SCALE_Y: g_value_set_float (value, priv->scale_y); break; case PROP_GAMMA_MODE: g_value_set_enum (value, priv->gamma_mode); break; case PROP_PRIMARIES_MODE: g_value_set_enum (value, priv->primaries_mode); break; case PROP_SAMPLING_METHOD: g_value_set_enum (value, priv->sampling_method); break; case PROP_OVERLAY_MODE: g_value_set_flags (value, priv->overlay_mode); break; case PROP_DISPLAY_FORMAT: g_value_set_enum (value, priv->display_format); break; case PROP_ERROR_ON_CLOSED: g_value_set_boolean (value, priv->error_on_closed); break; case PROP_EXTERNAL_WINDOW_ONLY: g_value_set_boolean (value, priv->external_only); break; case PROP_DIRECT_SWAPCHAIN: g_value_set_boolean (value, priv->direct_swapchain); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gst_d3d12_video_sink_set_orientation (GstD3D12VideoSink * self, GstVideoOrientationMethod orientation, gboolean from_tag) { auto priv = self->priv; if (orientation == GST_VIDEO_ORIENTATION_CUSTOM) { GST_WARNING_OBJECT (self, "Unsupported custom orientation"); return; } if (from_tag) priv->orientation_from_tag = orientation; else priv->orientation = orientation; if (priv->orientation == GST_VIDEO_ORIENTATION_AUTO) priv->orientation_selected = priv->orientation_from_tag; else priv->orientation_selected = priv->orientation; gst_d3d12_window_set_orientation (priv->window, priv->redraw_on_update, priv->orientation_selected, priv->fov, priv->ortho, priv->rotation_x, priv->rotation_y, priv->rotation_z, priv->scale_x, priv->scale_y); } static void gst_d3d12_video_sink_set_context (GstElement * element, GstContext * context) { auto self = GST_D3D12_VIDEO_SINK (element); auto priv = self->priv; { std::lock_guard < std::recursive_mutex > lk (priv->context_lock); gst_d3d12_handle_set_context (element, context, priv->adapter, &self->device); } GST_ELEMENT_CLASS (parent_class)->set_context (element, context); } static gboolean gst_d3d12_video_sink_event (GstBaseSink * sink, GstEvent * event) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; switch (GST_EVENT_TYPE (event)) { case GST_EVENT_TAG:{ GstTagList *taglist; gchar *title = nullptr; gst_event_parse_tag (event, &taglist); gst_tag_list_get_string (taglist, GST_TAG_TITLE, &title); std::lock_guard < std::recursive_mutex > lk (priv->lock); if (title) { const gchar *app_name = g_get_application_name (); std::string title_string; if (app_name) { title_string = std::string (title) + " : " + std::string (app_name); } else { title_string = std::string (title); } gst_d3d12_window_set_title (priv->window, title_string.c_str ()); g_free (title); } GstVideoOrientationMethod orientation = GST_VIDEO_ORIENTATION_IDENTITY; if (gst_video_orientation_from_tag (taglist, &orientation)) gst_d3d12_video_sink_set_orientation (self, orientation, TRUE); break; } default: break; } return GST_BASE_SINK_CLASS (parent_class)->event (sink, event); } static gboolean gst_d3d12_video_sink_set_info (GstVideoSink * sink, GstCaps * caps, const GstVideoInfo * info) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; GST_DEBUG_OBJECT (self, "set caps %" GST_PTR_FORMAT, caps); std::lock_guard < std::recursive_mutex > lk (priv->lock); gst_caps_replace (&priv->caps, caps); priv->info = *info; priv->update_window = TRUE; auto video_width = GST_VIDEO_INFO_WIDTH (&priv->info); auto video_height = GST_VIDEO_INFO_HEIGHT (&priv->info); auto video_par_n = GST_VIDEO_INFO_PAR_N (&priv->info); auto video_par_d = GST_VIDEO_INFO_PAR_D (&priv->info); gint display_par_n = 1; gint display_par_d = 1; guint num, den; if (!gst_video_calculate_display_ratio (&num, &den, video_width, video_height, video_par_n, video_par_d, display_par_n, display_par_d)) { GST_ELEMENT_WARNING (self, CORE, NEGOTIATION, (nullptr), ("Error calculating the output display ratio of the video.")); GST_VIDEO_SINK_WIDTH (self) = video_width; GST_VIDEO_SINK_HEIGHT (self) = video_height; } else { GST_DEBUG_OBJECT (self, "video width/height: %dx%d, calculated display ratio: %d/%d format: %s", video_width, video_height, num, den, gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (&priv->info))); if (video_height % den == 0) { GST_DEBUG_OBJECT (self, "keeping video height"); GST_VIDEO_SINK_WIDTH (self) = (guint) gst_util_uint64_scale_int (video_height, num, den); GST_VIDEO_SINK_HEIGHT (self) = video_height; } else if (video_width % num == 0) { GST_DEBUG_OBJECT (self, "keeping video width"); GST_VIDEO_SINK_WIDTH (self) = video_width; GST_VIDEO_SINK_HEIGHT (self) = (guint) gst_util_uint64_scale_int (video_width, den, num); } else { GST_DEBUG_OBJECT (self, "approximating while keeping video height"); GST_VIDEO_SINK_WIDTH (self) = (guint) gst_util_uint64_scale_int (video_height, num, den); GST_VIDEO_SINK_HEIGHT (self) = video_height; } } if (GST_VIDEO_SINK_WIDTH (self) <= 0) { GST_WARNING_OBJECT (self, "Invalid display width %d", GST_VIDEO_SINK_WIDTH (self)); GST_VIDEO_SINK_WIDTH (self) = 8; } if (GST_VIDEO_SINK_HEIGHT (self) <= 0) { GST_WARNING_OBJECT (self, "Invalid display height %d", GST_VIDEO_SINK_HEIGHT (self)); GST_VIDEO_SINK_HEIGHT (self) = 8; } GST_DEBUG_OBJECT (self, "scaling to %dx%d", GST_VIDEO_SINK_WIDTH (self), GST_VIDEO_SINK_HEIGHT (self)); if (priv->pool) { gst_buffer_pool_set_active (priv->pool, FALSE); gst_clear_object (&priv->pool); } priv->pool = gst_d3d12_buffer_pool_new (self->device); auto config = gst_buffer_pool_get_config (priv->pool); gst_buffer_pool_config_set_params (config, priv->caps, priv->info.size, 0, 0); if (!gst_buffer_pool_set_config (priv->pool, config) || !gst_buffer_pool_set_active (priv->pool, TRUE)) { GST_ELEMENT_ERROR (self, RESOURCE, FAILED, (nullptr), ("Couldn't setup buffer pool")); gst_clear_object (&priv->pool); return FALSE; } return TRUE; } static void gst_d3d12_video_sink_key_event (GstD3D12Window * window, const gchar * event, const gchar * key, GstD3D12VideoSink * self) { GstEvent *key_event; GST_LOG_OBJECT (self, "send key event %s, key %s", event, key); if (g_strcmp0 ("key-press", event) == 0) { key_event = gst_navigation_event_new_key_press (key, GST_NAVIGATION_MODIFIER_NONE); } else if (g_strcmp0 ("key-release", event) == 0) { key_event = gst_navigation_event_new_key_release (key, GST_NAVIGATION_MODIFIER_NONE); } else { return; } gst_navigation_send_event_simple (GST_NAVIGATION (self), key_event); } static void gst_d3d12_video_sink_mouse_event (GstD3D12Window * window, const gchar * event, gint button, gdouble x, gdouble y, guint modifier, GstD3D12VideoSink * self) { GstEvent *mouse_event; GST_LOG_OBJECT (self, "send mouse event %s, button %d (%.1f, %.1f)", event, button, x, y); if (g_strcmp0 ("mouse-button-press", event) == 0) { mouse_event = gst_navigation_event_new_mouse_button_press (button, x, y, (GstNavigationModifierType) modifier); } else if (g_strcmp0 ("mouse-button-release", event) == 0) { mouse_event = gst_navigation_event_new_mouse_button_release (button, x, y, (GstNavigationModifierType) modifier); } else if (g_strcmp0 ("mouse-move", event) == 0) { mouse_event = gst_navigation_event_new_mouse_move (x, y, (GstNavigationModifierType) modifier); } else if (g_strcmp0 ("mouse-double-click", event) == 0) { mouse_event = gst_navigation_event_new_mouse_double_click (button, x, y, (GstNavigationModifierType) modifier); } else { return; } gst_navigation_send_event_simple (GST_NAVIGATION (self), mouse_event); } static void gst_d3d12_video_sink_on_fullscreen (GstD3D12Window * window, gboolean is_fullscreen, GstD3D12VideoSink * self) { auto priv = self->priv; gboolean notify = FALSE; { std::lock_guard < std::recursive_mutex > lk (priv->lock); if (priv->fullscreen != is_fullscreen) { priv->fullscreen = is_fullscreen; notify = TRUE; } } if (notify) g_object_notify (G_OBJECT (self), "fullscreen"); } static gboolean gst_d3d12_video_sink_foreach_meta (GstBuffer * buffer, GstMeta ** meta, GstBuffer * uploaded) { if ((*meta)->info->api != GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE) return TRUE; auto cmeta = (GstVideoOverlayCompositionMeta *) (*meta); if (!cmeta->overlay) return TRUE; if (gst_video_overlay_composition_n_rectangles (cmeta->overlay) == 0) return TRUE; gst_buffer_add_video_overlay_composition_meta (uploaded, cmeta->overlay); return TRUE; } static GstFlowReturn gst_d3d12_video_sink_set_buffer (GstD3D12VideoSink * self, GstBuffer * buffer, gboolean is_prepare) { auto priv = self->priv; GstFlowReturn ret = GST_FLOW_OK; gboolean set_buffer = FALSE; gboolean update_window = FALSE; { std::lock_guard < std::recursive_mutex > lk (priv->lock); if (is_prepare) { if (priv->update_window) { set_buffer = FALSE; update_window = FALSE; } else { set_buffer = TRUE; update_window = FALSE; } } else { if (priv->update_window) { set_buffer = TRUE; update_window = TRUE; priv->update_window = FALSE; } else { set_buffer = FALSE; update_window = FALSE; } } } if (update_window) { gst_structure_set (priv->convert_config, GST_D3D12_CONVERTER_OPT_GAMMA_MODE, GST_TYPE_VIDEO_GAMMA_MODE, priv->gamma_mode, GST_D3D12_CONVERTER_OPT_PRIMARIES_MODE, GST_TYPE_VIDEO_PRIMARIES_MODE, priv->primaries_mode, GST_D3D12_CONVERTER_OPT_SAMPLER_FILTER, GST_TYPE_D3D12_CONVERTER_SAMPLER_FILTER, gst_d3d12_sampling_method_to_native (priv->sampling_method), GST_D3D12_CONVERTER_OPT_DEST_ALPHA_MODE, GST_TYPE_D3D12_CONVERTER_ALPHA_MODE, GST_VIDEO_INFO_HAS_ALPHA (&priv->info) ? GST_D3D12_CONVERTER_ALPHA_MODE_PREMULTIPLIED : GST_D3D12_CONVERTER_ALPHA_MODE_UNSPECIFIED, nullptr); ret = gst_d3d12_window_prepare (priv->window, self->device, GST_VIDEO_SINK_WIDTH (self), GST_VIDEO_SINK_HEIGHT (self), priv->caps, priv->convert_config, priv->display_format); if (ret != GST_FLOW_OK) return ret; } if (!set_buffer) return GST_FLOW_OK; GstBuffer *upload = nullptr; auto mem = gst_buffer_peek_memory (buffer, 0); if (!gst_is_d3d12_memory (mem)) { gst_buffer_pool_acquire_buffer (priv->pool, &upload, nullptr); if (!upload) { GST_ERROR_OBJECT (self, "Couldn't allocate upload buffer"); return GST_FLOW_ERROR; } GstVideoFrame in_frame, out_frame; if (!gst_video_frame_map (&in_frame, &priv->info, buffer, GST_MAP_READ)) { GST_ERROR_OBJECT (self, "Couldn't map input frame"); gst_buffer_unref (upload); return GST_FLOW_ERROR; } if (!gst_video_frame_map (&out_frame, &priv->info, upload, GST_MAP_WRITE)) { GST_ERROR_OBJECT (self, "Couldn't map upload frame"); gst_video_frame_unmap (&in_frame); gst_buffer_unref (upload); return GST_FLOW_ERROR; } auto copy_ret = gst_video_frame_copy (&out_frame, &in_frame); gst_video_frame_unmap (&out_frame); gst_video_frame_unmap (&in_frame); if (!copy_ret) { GST_ERROR_OBJECT (self, "Couldn't copy frame"); gst_buffer_unref (upload); return GST_FLOW_ERROR; } gst_buffer_foreach_meta (buffer, (GstBufferForeachMetaFunc) gst_d3d12_video_sink_foreach_meta, upload); buffer = upload; } ret = gst_d3d12_window_set_buffer (priv->window, buffer); if (upload) gst_buffer_unref (upload); return ret; } static gboolean gst_d3d12_video_sink_start (GstBaseSink * sink) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; GST_DEBUG_OBJECT (self, "Start"); if (!gst_d3d12_ensure_element_data (GST_ELEMENT_CAST (self), priv->adapter, &self->device)) { GST_ERROR_OBJECT (sink, "Cannot create device"); return FALSE; } priv->warn_closed_window = TRUE; priv->window_open_called = FALSE; return TRUE; } static gboolean gst_d3d12_video_sink_stop (GstBaseSink * sink) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; GST_DEBUG_OBJECT (self, "Stop"); priv->orientation_from_tag = GST_VIDEO_ORIENTATION_IDENTITY; if (priv->pool) { gst_buffer_pool_set_active (priv->pool, FALSE); gst_clear_object (&priv->pool); } gst_d3d12_window_unprepare (priv->window); gst_clear_object (&self->device); return TRUE; } static gboolean gst_d3d12_video_sink_unlock (GstBaseSink * sink) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; GST_DEBUG_OBJECT (self, "Unlock"); gst_d3d12_window_unlock (priv->window); return TRUE; } static gboolean gst_d3d12_video_sink_unlock_stop (GstBaseSink * sink) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; GST_DEBUG_OBJECT (self, "Unlock stop"); gst_d3d12_window_unlock_stop (priv->window); return TRUE; } static gboolean gst_d3d12_video_sink_propose_allocation (GstBaseSink * sink, GstQuery * query) { auto self = GST_D3D12_VIDEO_SINK (sink); GstCaps *caps; GstBufferPool *pool = nullptr; GstVideoInfo info; guint size; gboolean need_pool; if (!self->device) { GST_WARNING_OBJECT (self, "No configured device"); return FALSE; } gst_query_parse_allocation (query, &caps, &need_pool); if (!caps) { GST_WARNING_OBJECT (self, "no caps specified"); return FALSE; } if (!gst_video_info_from_caps (&info, caps)) { GST_ERROR_OBJECT (self, "Invalid caps %" GST_PTR_FORMAT, caps); return FALSE; } size = info.size; bool is_d3d12 = false; auto features = gst_caps_get_features (caps, 0); if (gst_caps_features_contains (features, GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY)) { is_d3d12 = true; GST_DEBUG_OBJECT (self, "upstream support d3d12 memory"); } if (need_pool) { if (is_d3d12) pool = gst_d3d12_buffer_pool_new (self->device); else pool = gst_video_buffer_pool_new (); auto config = gst_buffer_pool_get_config (pool); gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META); if (!is_d3d12) { gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT); } gst_buffer_pool_config_set_params (config, caps, size, 2, 0); if (!gst_buffer_pool_set_config (pool, config)) { GST_ERROR_OBJECT (pool, "Couldn't set config"); gst_object_unref (pool); return FALSE; } if (is_d3d12) { config = gst_buffer_pool_get_config (pool); gst_buffer_pool_config_get_params (config, nullptr, &size, nullptr, nullptr); gst_structure_free (config); } } gst_query_add_allocation_pool (query, pool, size, 2, 0); gst_clear_object (&pool); gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, nullptr); gst_query_add_allocation_meta (query, GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, nullptr); if (is_d3d12) { gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, nullptr); } return TRUE; } static gboolean gst_d3d12_video_sink_query (GstBaseSink * sink, GstQuery * query) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; switch (GST_QUERY_TYPE (query)) { case GST_QUERY_CONTEXT: { std::lock_guard < std::recursive_mutex > lk (priv->context_lock); if (gst_d3d12_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 GstFlowReturn gst_d3d12_video_sink_check_device_update (GstD3D12VideoSink * self, GstBuffer * buf) { auto priv = self->priv; auto mem = gst_buffer_peek_memory (buf, 0); if (!gst_is_d3d12_memory (mem)) return GST_FLOW_OK; auto dmem = GST_D3D12_MEMORY_CAST (mem); if (gst_d3d12_device_is_equal (dmem->device, self->device)) return GST_FLOW_OK; GST_INFO_OBJECT (self, "Updating device %" GST_PTR_FORMAT " -> %" GST_PTR_FORMAT, self->device, dmem->device); { std::lock_guard < std::recursive_mutex > lk (priv->lock); priv->update_window = TRUE; } std::lock_guard < std::recursive_mutex > lk (priv->context_lock); gst_clear_object (&self->device); self->device = (GstD3D12Device *) gst_object_ref (dmem->device); if (priv->pool) { gst_buffer_pool_set_active (priv->pool, FALSE); gst_clear_object (&priv->pool); } priv->pool = gst_d3d12_buffer_pool_new (self->device); auto config = gst_buffer_pool_get_config (priv->pool); gst_buffer_pool_config_set_params (config, priv->caps, priv->info.size, 0, 0); if (!gst_buffer_pool_set_config (priv->pool, config) || !gst_buffer_pool_set_active (priv->pool, TRUE)) { GST_ELEMENT_ERROR (self, RESOURCE, FAILED, (nullptr), ("Couldn't setup buffer pool")); gst_clear_object (&priv->pool); return GST_FLOW_ERROR; } return GST_FLOW_OK; } static GstFlowReturn gst_d3d12_video_sink_open_window (GstD3D12VideoSink * self) { auto overlay = GST_VIDEO_OVERLAY (self); auto priv = self->priv; guintptr window_handle = 0; auto is_closed = gst_d3d12_window_is_closed (priv->window); gboolean need_open = FALSE; { std::lock_guard < std::recursive_mutex > lk (priv->lock); if (!priv->window_open_called) { GST_DEBUG_OBJECT (self, "Open was not called, try open"); gst_video_overlay_prepare_window_handle (overlay); need_open = TRUE; } else if (priv->window_handle_updated) { GST_DEBUG_OBJECT (self, "Set window handle was called, try open again"); need_open = TRUE; } else if (is_closed) { /* Request new window handle */ GST_LOG_OBJECT (self, "Window was closed, requesting new window handle"); gst_video_overlay_prepare_window_handle (overlay); if (priv->window_handle_updated) { GST_DEBUG_OBJECT (self, "Set window handle was called"); need_open = TRUE; } } priv->window_handle_updated = FALSE; if (!need_open) { if (!is_closed) return GST_FLOW_OK; GST_WARNING_OBJECT (self, "Window was closed"); return GST_D3D12_WINDOW_FLOW_CLOSED; } window_handle = priv->window_handle; if (!window_handle && priv->external_only) { GST_WARNING_OBJECT (self, "external-window-only mode but window handle is unavailable"); return GST_D3D12_WINDOW_FLOW_CLOSED; } } priv->window_open_called = TRUE; priv->warn_closed_window = TRUE; auto ret = gst_d3d12_window_open (priv->window, self->device, GST_VIDEO_SINK_WIDTH (self), GST_VIDEO_SINK_HEIGHT (self), (HWND) window_handle, priv->direct_swapchain); std::lock_guard < std::recursive_mutex > lk (priv->lock); if (ret == GST_FLOW_OK) { if (window_handle) { GST_DEBUG_OBJECT (self, "Window created with HWND %p", (void *) window_handle); gst_video_overlay_got_window_handle (overlay, window_handle); } else { auto internal_hwnd = gst_d3d12_window_get_window_handle (priv->window); GST_DEBUG_OBJECT (self, "Window created with internal HWND %p", (void *) internal_hwnd); gst_video_overlay_got_window_handle (overlay, internal_hwnd); } priv->update_window = TRUE; } return ret; } static GstFlowReturn gst_d3d12_video_sink_prepare (GstBaseSink * sink, GstBuffer * buffer) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; auto ret = gst_d3d12_video_sink_check_device_update (self, buffer); if (ret != GST_FLOW_OK) goto out; ret = gst_d3d12_video_sink_open_window (self); if (ret != GST_FLOW_OK) goto out; ret = gst_d3d12_video_sink_set_buffer (self, buffer, TRUE); out: if (ret == GST_D3D12_WINDOW_FLOW_CLOSED) { if (priv->error_on_closed) { GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, ("Output window was closed"), (nullptr)); return GST_FLOW_ERROR; } else { if (priv->warn_closed_window) { GST_ELEMENT_WARNING (self, RESOURCE, NOT_FOUND, ("Output window was closed"), (nullptr)); priv->warn_closed_window = FALSE; } else { GST_WARNING_OBJECT (self, "Output window was closed"); } ret = GST_FLOW_OK; } } return ret; } static GstFlowReturn gst_d3d12_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buf) { auto self = GST_D3D12_VIDEO_SINK (sink); auto priv = self->priv; auto ret = gst_d3d12_video_sink_set_buffer (self, buf, FALSE); if (ret != GST_FLOW_OK) goto out; ret = gst_d3d12_window_present (priv->window); out: if (ret == GST_D3D12_WINDOW_FLOW_CLOSED) { if (priv->error_on_closed) { GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, ("Output window was closed"), (nullptr)); ret = GST_FLOW_ERROR; } else { if (priv->warn_closed_window) { GST_ELEMENT_WARNING (self, RESOURCE, NOT_FOUND, ("Output window was closed"), (nullptr)); priv->warn_closed_window = FALSE; } else { GST_WARNING_OBJECT (self, "Output window was closed"); } ret = GST_FLOW_OK; } } return ret; } static void gst_d3d12_video_sink_overlay_expose (GstVideoOverlay * overlay) { auto self = GST_D3D12_VIDEO_SINK (overlay); auto priv = self->priv; gst_d3d12_window_set_buffer (priv->window, nullptr); } static void gst_d3d12_video_sink_overlay_handle_events (GstVideoOverlay * overlay, gboolean handle_events) { auto self = GST_D3D12_VIDEO_SINK (overlay); auto priv = self->priv; std::lock_guard < std::recursive_mutex > lk (priv->lock); priv->enable_navigation = handle_events; gst_d3d12_window_set_enable_navigation_events (priv->window, handle_events); } static void gst_d3d12_video_sink_overlay_set_window_handle (GstVideoOverlay * overlay, guintptr window_handle) { auto self = GST_D3D12_VIDEO_SINK (overlay); auto priv = self->priv; GST_DEBUG ("set window handle %" G_GUINTPTR_FORMAT, window_handle); std::lock_guard < std::recursive_mutex > lk (priv->lock); if (priv->window_handle != window_handle) { priv->window_handle = window_handle; priv->window_handle_updated = TRUE; } } static void gst_d3d12_video_sink_overlay_set_render_rectangle (GstVideoOverlay * overlay, gint x, gint y, gint width, gint height) { auto self = GST_D3D12_VIDEO_SINK (overlay); auto priv = self->priv; GST_DEBUG_OBJECT (self, "render rect x: %d, y: %d, width: %d, height %d", x, y, width, height); GstVideoRectangle rect; rect.x = x; rect.y = y; rect.w = width; rect.h = height; gst_d3d12_window_set_render_rect (priv->window, &rect); } static void gst_d3d12_video_sink_video_overlay_init (GstVideoOverlayInterface * iface) { iface->expose = gst_d3d12_video_sink_overlay_expose; iface->handle_events = gst_d3d12_video_sink_overlay_handle_events; iface->set_window_handle = gst_d3d12_video_sink_overlay_set_window_handle; iface->set_render_rectangle = gst_d3d12_video_sink_overlay_set_render_rectangle; } static void gst_d3d12_video_sink_navigation_send_event (GstNavigation * navigation, GstEvent * event) { auto self = GST_D3D12_VIDEO_SINK (navigation); if (event) { gboolean handled; 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_d3d12_video_sink_navigation_init (GstNavigationInterface * iface) { iface->send_event_simple = gst_d3d12_video_sink_navigation_send_event; } static void gst_d3d12_video_sink_on_overlay (GstD3D12Window * window, gpointer command_queue, gpointer resource12, gpointer device11on12, gpointer resource11, gpointer context2d, gpointer viewport, GstD3D12VideoSink * self) { g_signal_emit (self, d3d12_video_sink_signals[SIGNAL_OVERLAY], 0, command_queue, resource12, device11on12, resource11, context2d, viewport); }