mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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722 lines
22 KiB
C
722 lines
22 KiB
C
/*
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* GStreamer
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-vulkansink
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* @title: vulkansink
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*
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* vulkansink renders video frames to a drawable on a local or remote
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* display using Vulkan.
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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 <gst/video/videooverlay.h>
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#include "gstvulkanelements.h"
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#include "vksink.h"
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GST_DEBUG_CATEGORY (gst_debug_vulkan_sink);
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#define GST_CAT_DEFAULT gst_debug_vulkan_sink
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#define DEFAULT_FORCE_ASPECT_RATIO TRUE
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#define DEFAULT_PIXEL_ASPECT_RATIO_N 0
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#define DEFAULT_PIXEL_ASPECT_RATIO_D 1
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static void gst_vulkan_sink_finalize (GObject * object);
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static void gst_vulkan_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * param_spec);
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static void gst_vulkan_sink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * param_spec);
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static gboolean gst_vulkan_sink_query (GstBaseSink * bsink, GstQuery * query);
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static void gst_vulkan_sink_set_context (GstElement * element,
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GstContext * context);
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static GstStateChangeReturn
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gst_vulkan_sink_change_state (GstElement * element, GstStateChange transition);
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static void gst_vulkan_sink_get_times (GstBaseSink * bsink, GstBuffer * buf,
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GstClockTime * start, GstClockTime * end);
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static gboolean gst_vulkan_sink_set_caps (GstBaseSink * bsink, GstCaps * caps);
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static GstCaps *gst_vulkan_sink_get_caps (GstBaseSink * bsink,
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GstCaps * filter);
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static GstFlowReturn gst_vulkan_sink_prepare (GstBaseSink * bsink,
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GstBuffer * buf);
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static GstFlowReturn gst_vulkan_sink_show_frame (GstVideoSink * bsink,
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GstBuffer * buf);
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static void gst_vulkan_sink_video_overlay_init (GstVideoOverlayInterface *
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iface);
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static void gst_vulkan_sink_navigation_interface_init (GstNavigationInterface *
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iface);
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static void gst_vulkan_sink_key_event_cb (GstVulkanWindow * window,
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char *event_name, char *key_string, GstVulkanSink * vk_sink);
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static void gst_vulkan_sink_mouse_event_cb (GstVulkanWindow * window,
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char *event_name, int button, double posx, double posy,
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GstVulkanSink * vk_sink);
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static GstStaticPadTemplate gst_vulkan_sink_template =
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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_VULKAN_IMAGE,
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GST_VULKAN_SWAPPER_VIDEO_FORMATS)));
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enum
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{
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PROP_0,
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PROP_FORCE_ASPECT_RATIO,
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PROP_PIXEL_ASPECT_RATIO,
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PROP_DEVICE,
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};
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enum
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{
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SIGNAL_0,
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LAST_SIGNAL
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};
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/* static guint gst_vulkan_sink_signals[LAST_SIGNAL] = { 0 }; */
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#define gst_vulkan_sink_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstVulkanSink, gst_vulkan_sink,
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GST_TYPE_VIDEO_SINK, GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_sink,
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"vulkansink", 0, "Vulkan Video Sink");
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G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY,
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gst_vulkan_sink_video_overlay_init);
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G_IMPLEMENT_INTERFACE (GST_TYPE_NAVIGATION,
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gst_vulkan_sink_navigation_interface_init));
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GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (vulkansink, "vulkansink", GST_RANK_NONE,
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GST_TYPE_VULKAN_SINK, vulkan_element_init (plugin));
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static void
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gst_vulkan_sink_class_init (GstVulkanSinkClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseSinkClass *gstbasesink_class;
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GstVideoSinkClass *gstvideosink_class;
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GstElementClass *element_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasesink_class = (GstBaseSinkClass *) klass;
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gstvideosink_class = (GstVideoSinkClass *) klass;
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element_class = GST_ELEMENT_CLASS (klass);
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gobject_class->set_property = gst_vulkan_sink_set_property;
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gobject_class->get_property = gst_vulkan_sink_get_property;
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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", "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_PIXEL_ASPECT_RATIO,
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gst_param_spec_fraction ("pixel-aspect-ratio", "Pixel Aspect Ratio",
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"The pixel aspect ratio of the device", 0, 1, G_MAXINT, 1, 1, 1,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_DEVICE,
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g_param_spec_object ("device", "Device", "Vulkan device",
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GST_TYPE_VULKAN_DEVICE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
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gst_element_class_set_metadata (element_class, "Vulkan video sink",
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"Sink/Video", "A videosink based on Vulkan",
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"Matthew Waters <matthew@centricular.com>");
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gst_element_class_add_static_pad_template (element_class,
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&gst_vulkan_sink_template);
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gobject_class->finalize = gst_vulkan_sink_finalize;
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gstelement_class->change_state = gst_vulkan_sink_change_state;
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gstelement_class->set_context = gst_vulkan_sink_set_context;
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gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_vulkan_sink_query);
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gstbasesink_class->set_caps = gst_vulkan_sink_set_caps;
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gstbasesink_class->get_caps = gst_vulkan_sink_get_caps;
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gstbasesink_class->get_times = gst_vulkan_sink_get_times;
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gstbasesink_class->prepare = gst_vulkan_sink_prepare;
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gstvideosink_class->show_frame =
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GST_DEBUG_FUNCPTR (gst_vulkan_sink_show_frame);
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}
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static void
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gst_vulkan_sink_init (GstVulkanSink * vk_sink)
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{
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vk_sink->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO;
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vk_sink->par_n = DEFAULT_PIXEL_ASPECT_RATIO_N;
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vk_sink->par_d = DEFAULT_PIXEL_ASPECT_RATIO_D;
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// g_mutex_init (&vk_sink->drawing_lock);
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}
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static void
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gst_vulkan_sink_finalize (GObject * object)
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{
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// GstVulkanSink *vk_sink = GST_VULKAN_SINK (object);
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// g_mutex_clear (&vk_sink->drawing_lock);
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// GST_DEBUG ("finalized");
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_vulkan_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVulkanSink *vk_sink = GST_VULKAN_SINK (object);
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switch (prop_id) {
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case PROP_FORCE_ASPECT_RATIO:
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vk_sink->force_aspect_ratio = g_value_get_boolean (value);
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if (vk_sink->swapper)
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g_object_set_property (G_OBJECT (vk_sink->swapper),
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"force-aspect-ratio", value);
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break;
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case PROP_PIXEL_ASPECT_RATIO:
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vk_sink->par_n = gst_value_get_fraction_numerator (value);
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vk_sink->par_d = gst_value_get_fraction_denominator (value);
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if (vk_sink->swapper)
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g_object_set_property (G_OBJECT (vk_sink->swapper),
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"pixel-aspect-ratio", value);
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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_vulkan_sink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstVulkanSink *vk_sink = GST_VULKAN_SINK (object);
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switch (prop_id) {
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case PROP_FORCE_ASPECT_RATIO:
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g_value_set_boolean (value, vk_sink->force_aspect_ratio);
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break;
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case PROP_PIXEL_ASPECT_RATIO:
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gst_value_set_fraction (value, vk_sink->par_n, vk_sink->par_d);
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break;
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case PROP_DEVICE:
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g_value_set_object (value, vk_sink->device);
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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 gboolean
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gst_vulkan_sink_query (GstBaseSink * bsink, GstQuery * query)
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{
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GstVulkanSink *vk_sink = GST_VULKAN_SINK (bsink);
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CONTEXT:{
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if (gst_vulkan_handle_context_query (GST_ELEMENT (vk_sink), query,
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vk_sink->display, vk_sink->instance, vk_sink->device))
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return TRUE;
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if (vk_sink->swapper &&
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gst_vulkan_queue_handle_context_query (GST_ELEMENT (vk_sink), query,
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vk_sink->swapper->queue))
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return TRUE;
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break;
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}
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default:
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break;
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}
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return GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
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}
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static void
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gst_vulkan_sink_set_context (GstElement * element, GstContext * context)
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{
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GstVulkanSink *vk_sink = GST_VULKAN_SINK (element);
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gst_vulkan_handle_set_context (element, context, &vk_sink->display,
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&vk_sink->instance);
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GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
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}
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static GstStateChangeReturn
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gst_vulkan_sink_change_state (GstElement * element, GstStateChange transition)
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{
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GstVulkanSink *vk_sink = GST_VULKAN_SINK (element);
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GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
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GError *error = NULL;
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GST_DEBUG ("changing state: %s => %s",
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gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
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gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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if (!gst_vulkan_ensure_element_data (element, &vk_sink->display,
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&vk_sink->instance)) {
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GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
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("Failed to retrieve vulkan instance/display"), (NULL));
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return GST_STATE_CHANGE_FAILURE;
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}
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if (!vk_sink->device) {
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if (!gst_vulkan_device_run_context_query (GST_ELEMENT (vk_sink),
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&vk_sink->device)) {
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if (!(vk_sink->device =
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gst_vulkan_instance_create_device (vk_sink->instance,
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&error))) {
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GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
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("Failed to create vulkan device"), ("%s",
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error ? error->message : ""));
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g_clear_error (&error);
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return GST_STATE_CHANGE_FAILURE;
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}
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}
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}
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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/* FIXME: this probably doesn't need to be so early in the setup process */
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if (!(vk_sink->window =
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gst_vulkan_display_create_window (vk_sink->display))) {
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GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
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("Failed to create a window"), (NULL));
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return GST_STATE_CHANGE_FAILURE;
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}
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if (!vk_sink->set_window_handle)
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gst_video_overlay_prepare_window_handle (GST_VIDEO_OVERLAY (vk_sink));
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if (vk_sink->set_window_handle)
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gst_vulkan_window_set_window_handle (vk_sink->window,
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vk_sink->set_window_handle);
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if (!gst_vulkan_window_open (vk_sink->window, &error)) {
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GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
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("Failed to open window"), ("%s", error ? error->message : ""));
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g_clear_error (&error);
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return GST_STATE_CHANGE_FAILURE;
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}
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if (!(vk_sink->swapper =
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gst_vulkan_swapper_new (vk_sink->device, vk_sink->window))) {
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GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
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("Failed to create a swapper"), (NULL));
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return GST_STATE_CHANGE_FAILURE;
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}
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g_object_set (vk_sink->swapper, "force_aspect-ratio",
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vk_sink->force_aspect_ratio, "pixel-aspect-ratio", vk_sink->par_n,
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vk_sink->par_d, NULL);
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{
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GstVulkanQueue *queue = NULL;
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GError *error = NULL;
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gst_vulkan_queue_run_context_query (GST_ELEMENT (vk_sink), &queue);
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if (!gst_vulkan_swapper_choose_queue (vk_sink->swapper, queue, &error)) {
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GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
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("Swapper failed to choose a compatible Vulkan Queue"),
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("%s", error ? error->message : ""));
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return GST_STATE_CHANGE_FAILURE;
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}
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}
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vk_sink->key_sig_id =
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g_signal_connect (vk_sink->window, "key-event",
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G_CALLBACK (gst_vulkan_sink_key_event_cb), vk_sink);
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vk_sink->mouse_sig_id =
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g_signal_connect (vk_sink->window, "mouse-event",
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G_CALLBACK (gst_vulkan_sink_mouse_event_cb), vk_sink);
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break;
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case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
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break;
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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if (ret == GST_STATE_CHANGE_FAILURE)
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return ret;
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switch (transition) {
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case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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if (vk_sink->swapper)
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gst_object_unref (vk_sink->swapper);
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vk_sink->swapper = NULL;
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if (vk_sink->window) {
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gst_vulkan_window_close (vk_sink->window);
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if (vk_sink->key_sig_id)
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g_signal_handler_disconnect (vk_sink->window, vk_sink->key_sig_id);
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vk_sink->key_sig_id = 0;
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if (vk_sink->mouse_sig_id)
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g_signal_handler_disconnect (vk_sink->window, vk_sink->mouse_sig_id);
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vk_sink->mouse_sig_id = 0;
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gst_object_unref (vk_sink->window);
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}
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vk_sink->window = NULL;
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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if (vk_sink->display)
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gst_object_unref (vk_sink->display);
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vk_sink->display = NULL;
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if (vk_sink->device)
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gst_object_unref (vk_sink->device);
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vk_sink->device = NULL;
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if (vk_sink->instance)
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gst_object_unref (vk_sink->instance);
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vk_sink->instance = NULL;
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break;
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default:
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break;
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}
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return ret;
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}
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static void
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gst_vulkan_sink_get_times (GstBaseSink * bsink, GstBuffer * buf,
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GstClockTime * start, GstClockTime * end)
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{
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GstVulkanSink *vk_sink = GST_VULKAN_SINK (bsink);
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if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
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*start = GST_BUFFER_TIMESTAMP (buf);
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if (GST_BUFFER_DURATION_IS_VALID (buf))
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*end = *start + GST_BUFFER_DURATION (buf);
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else {
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if (GST_VIDEO_INFO_FPS_N (&vk_sink->v_info) > 0) {
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*end = *start +
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gst_util_uint64_scale_int (GST_SECOND,
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GST_VIDEO_INFO_FPS_D (&vk_sink->v_info),
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GST_VIDEO_INFO_FPS_N (&vk_sink->v_info));
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}
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}
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}
|
|
}
|
|
|
|
static GstCaps *
|
|
gst_vulkan_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
|
|
{
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (bsink);
|
|
GstCaps *tmp = NULL;
|
|
GstCaps *result = NULL;
|
|
GError *error = NULL;
|
|
|
|
if (vk_sink->swapper) {
|
|
if (!(result =
|
|
gst_vulkan_swapper_get_supported_caps (vk_sink->swapper, &error))) {
|
|
GST_ELEMENT_ERROR (bsink, RESOURCE, NOT_FOUND, ("%s",
|
|
error ? error->message : ""), (NULL));
|
|
g_clear_error (&error);
|
|
return NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
tmp = gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD (bsink));
|
|
|
|
if (filter) {
|
|
GST_DEBUG_OBJECT (bsink, "intersecting with filter caps %" GST_PTR_FORMAT,
|
|
filter);
|
|
|
|
result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
|
|
gst_caps_unref (tmp);
|
|
} else {
|
|
result = tmp;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (bsink, "returning caps: %" GST_PTR_FORMAT, result);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gboolean
|
|
_configure_display_from_info (GstVulkanSink * vk_sink, GstVideoInfo * vinfo)
|
|
{
|
|
guint display_ratio_num, display_ratio_den;
|
|
gint display_par_n, display_par_d;
|
|
gint par_n, par_d;
|
|
gint width, height;
|
|
gboolean ok;
|
|
|
|
width = GST_VIDEO_INFO_WIDTH (vinfo);
|
|
height = GST_VIDEO_INFO_HEIGHT (vinfo);
|
|
|
|
par_n = GST_VIDEO_INFO_PAR_N (vinfo);
|
|
par_d = GST_VIDEO_INFO_PAR_D (vinfo);
|
|
|
|
if (!par_n)
|
|
par_n = 1;
|
|
|
|
/* get display's PAR */
|
|
if (vk_sink->par_n != 0 && vk_sink->par_d != 0) {
|
|
display_par_n = vk_sink->par_n;
|
|
display_par_d = vk_sink->par_d;
|
|
} else {
|
|
display_par_n = 1;
|
|
display_par_d = 1;
|
|
}
|
|
|
|
ok = gst_video_calculate_display_ratio (&display_ratio_num,
|
|
&display_ratio_den, width, height, par_n, par_d, display_par_n,
|
|
display_par_d);
|
|
|
|
if (!ok)
|
|
return FALSE;
|
|
|
|
GST_TRACE ("PAR: %u/%u DAR:%u/%u", par_n, par_d, display_par_n,
|
|
display_par_d);
|
|
|
|
if (height % display_ratio_den == 0) {
|
|
GST_DEBUG ("keeping video height");
|
|
GST_VIDEO_SINK_WIDTH (vk_sink) = (guint)
|
|
gst_util_uint64_scale_int (height, display_ratio_num,
|
|
display_ratio_den);
|
|
GST_VIDEO_SINK_HEIGHT (vk_sink) = height;
|
|
} else if (width % display_ratio_num == 0) {
|
|
GST_DEBUG ("keeping video width");
|
|
GST_VIDEO_SINK_WIDTH (vk_sink) = width;
|
|
GST_VIDEO_SINK_HEIGHT (vk_sink) = (guint)
|
|
gst_util_uint64_scale_int (width, display_ratio_den, display_ratio_num);
|
|
} else {
|
|
GST_DEBUG ("approximating while keeping video height");
|
|
GST_VIDEO_SINK_WIDTH (vk_sink) = (guint)
|
|
gst_util_uint64_scale_int (height, display_ratio_num,
|
|
display_ratio_den);
|
|
GST_VIDEO_SINK_HEIGHT (vk_sink) = height;
|
|
}
|
|
GST_DEBUG ("scaling to %dx%d", GST_VIDEO_SINK_WIDTH (vk_sink),
|
|
GST_VIDEO_SINK_HEIGHT (vk_sink));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_vulkan_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
|
{
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (bsink);
|
|
GError *error = NULL;
|
|
GstVideoInfo v_info;
|
|
|
|
GST_DEBUG_OBJECT (bsink, "set caps with %" GST_PTR_FORMAT, caps);
|
|
|
|
if (!gst_video_info_from_caps (&v_info, caps))
|
|
return FALSE;
|
|
|
|
if (!_configure_display_from_info (vk_sink, &v_info))
|
|
return FALSE;
|
|
|
|
if (!gst_vulkan_swapper_set_caps (vk_sink->swapper, caps, &error)) {
|
|
GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
|
|
("Failed to configure caps"), ("%s", error ? error->message : ""));
|
|
g_clear_error (&error);
|
|
return FALSE;
|
|
}
|
|
|
|
vk_sink->v_info = v_info;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_vulkan_sink_prepare (GstBaseSink * bsink, GstBuffer * buf)
|
|
{
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (bsink);
|
|
|
|
GST_TRACE_OBJECT (vk_sink, "preparing buffer %" GST_PTR_FORMAT, buf);
|
|
|
|
if (GST_VIDEO_SINK_WIDTH (vk_sink) < 1 || GST_VIDEO_SINK_HEIGHT (vk_sink) < 1) {
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_vulkan_sink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
|
|
{
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (vsink);
|
|
GError *error = NULL;
|
|
|
|
GST_TRACE_OBJECT (vk_sink, "rendering buffer %" GST_PTR_FORMAT, buf);
|
|
|
|
if (!gst_vulkan_swapper_render_buffer (vk_sink->swapper, buf, &error)) {
|
|
GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
|
|
("Failed to render buffer"), ("%s", error ? error->message : ""));
|
|
g_clear_error (&error);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_sink_set_window_handle (GstVideoOverlay * voverlay, guintptr handle)
|
|
{
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (voverlay);
|
|
|
|
vk_sink->set_window_handle = handle;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_sink_video_overlay_init (GstVideoOverlayInterface * iface)
|
|
{
|
|
iface->set_window_handle = gst_vulkan_sink_set_window_handle;
|
|
}
|
|
|
|
static void
|
|
_display_size_to_stream_size (GstVulkanSink * vk_sink,
|
|
GstVideoRectangle * display_rect, gdouble x, gdouble y, gdouble * stream_x,
|
|
gdouble * stream_y)
|
|
{
|
|
gdouble stream_width, stream_height;
|
|
|
|
stream_width = (gdouble) GST_VIDEO_INFO_WIDTH (&vk_sink->v_info);
|
|
stream_height = (gdouble) GST_VIDEO_INFO_HEIGHT (&vk_sink->v_info);
|
|
|
|
/* from display coordinates to stream coordinates */
|
|
if (display_rect->w > 0)
|
|
*stream_x = (x - display_rect->x) / display_rect->w * stream_width;
|
|
else
|
|
*stream_x = 0.;
|
|
|
|
/* clip to stream size */
|
|
*stream_x = CLAMP (*stream_x, 0., stream_width);
|
|
|
|
/* same for y-axis */
|
|
if (display_rect->h > 0)
|
|
*stream_y = (y - display_rect->y) / display_rect->h * stream_height;
|
|
else
|
|
*stream_y = 0.;
|
|
|
|
*stream_y = CLAMP (*stream_y, 0., stream_height);
|
|
|
|
GST_TRACE_OBJECT (vk_sink, "transform %fx%f into %fx%f", x, y, *stream_x,
|
|
*stream_y);
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_sink_navigation_send_event (GstNavigation * navigation,
|
|
GstEvent * event)
|
|
{
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (navigation);
|
|
GstVideoRectangle display_rect;
|
|
gboolean handled;
|
|
gdouble x, y;
|
|
|
|
if (!vk_sink->swapper || !vk_sink->swapper->window) {
|
|
gst_event_unref (event);
|
|
return;
|
|
}
|
|
|
|
event = gst_event_make_writable (event);
|
|
|
|
gst_vulkan_swapper_get_surface_rectangles (vk_sink->swapper, NULL, NULL,
|
|
&display_rect);
|
|
|
|
/* Converting pointer coordinates to the non scaled geometry */
|
|
if (display_rect.w != 0 && display_rect.h != 0
|
|
&& gst_navigation_event_get_coordinates (event, &x, &y)) {
|
|
gdouble stream_x, stream_y;
|
|
|
|
_display_size_to_stream_size (vk_sink, &display_rect, x, y, &stream_x,
|
|
&stream_y);
|
|
gst_navigation_event_set_coordinates (event, stream_x, stream_y);
|
|
}
|
|
|
|
gst_event_ref (event);
|
|
handled = gst_pad_push_event (GST_VIDEO_SINK_PAD (vk_sink), event);
|
|
|
|
if (!handled)
|
|
gst_element_post_message ((GstElement *) vk_sink,
|
|
gst_navigation_message_new_event ((GstObject *) vk_sink, event));
|
|
|
|
gst_event_unref (event);
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_sink_navigation_interface_init (GstNavigationInterface * iface)
|
|
{
|
|
iface->send_event_simple = gst_vulkan_sink_navigation_send_event;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_sink_key_event_cb (GstVulkanWindow * window, char *event_name, char
|
|
*key_string, GstVulkanSink * vk_sink)
|
|
{
|
|
GstEvent *event = NULL;
|
|
|
|
GST_DEBUG_OBJECT (vk_sink, "event %s key %s pressed", event_name, key_string);
|
|
/* FIXME: Add support for modifiers */
|
|
if (0 == g_strcmp0 ("key-press", event_name))
|
|
event =
|
|
gst_navigation_event_new_key_press (key_string,
|
|
GST_NAVIGATION_MODIFIER_NONE);
|
|
else if (0 == g_strcmp0 ("key-release", event_name))
|
|
event =
|
|
gst_navigation_event_new_key_release (key_string,
|
|
GST_NAVIGATION_MODIFIER_NONE);
|
|
|
|
if (event)
|
|
gst_navigation_send_event_simple (GST_NAVIGATION (vk_sink), event);
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_sink_mouse_event_cb (GstVulkanWindow * window, char *event_name,
|
|
int button, double posx, double posy, GstVulkanSink * vk_sink)
|
|
{
|
|
GstEvent *event = NULL;
|
|
|
|
/* FIXME: Add support for modifiers */
|
|
GST_DEBUG_OBJECT (vk_sink, "event %s at %g, %g", event_name, posx, posy);
|
|
if (0 == g_strcmp0 ("mouse-button-press", event_name))
|
|
event =
|
|
gst_navigation_event_new_mouse_button_press (button, posx, posy,
|
|
GST_NAVIGATION_MODIFIER_NONE);
|
|
else if (0 == g_strcmp0 ("mouse-button-release", event_name))
|
|
event =
|
|
gst_navigation_event_new_mouse_button_release (button, posx, posy,
|
|
GST_NAVIGATION_MODIFIER_NONE);
|
|
else if (0 == g_strcmp0 ("mouse-move", event_name))
|
|
event =
|
|
gst_navigation_event_new_mouse_move (posx, posy,
|
|
GST_NAVIGATION_MODIFIER_NONE);
|
|
|
|
if (event)
|
|
gst_navigation_send_event_simple (GST_NAVIGATION (vk_sink), event);
|
|
}
|