2015-10-24 06:29:05 +00:00
|
|
|
/*
|
|
|
|
* GStreamer
|
|
|
|
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
|
|
|
|
*
|
|
|
|
* 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-vulkansink
|
2017-03-08 18:01:13 +00:00
|
|
|
* @title: vulkansink
|
2015-10-24 06:29:05 +00:00
|
|
|
*
|
|
|
|
* vulkansink renders video frames to a drawable on a local or remote
|
|
|
|
* display using Vulkan.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
#include "config.h"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
//#include <gst/video/videooverlay.h>
|
|
|
|
|
|
|
|
#include "vksink.h"
|
2019-04-08 11:35:22 +00:00
|
|
|
#include "vkswapper.h"
|
2015-10-24 06:29:05 +00:00
|
|
|
|
|
|
|
GST_DEBUG_CATEGORY (gst_debug_vulkan_sink);
|
|
|
|
#define GST_CAT_DEFAULT gst_debug_vulkan_sink
|
|
|
|
|
|
|
|
#define DEFAULT_FORCE_ASPECT_RATIO TRUE
|
|
|
|
#define DEFAULT_PIXEL_ASPECT_RATIO_N 0
|
|
|
|
#define DEFAULT_PIXEL_ASPECT_RATIO_D 1
|
|
|
|
|
|
|
|
static void gst_vulkan_sink_finalize (GObject * object);
|
|
|
|
static void gst_vulkan_sink_set_property (GObject * object, guint prop_id,
|
|
|
|
const GValue * value, GParamSpec * param_spec);
|
|
|
|
static void gst_vulkan_sink_get_property (GObject * object, guint prop_id,
|
|
|
|
GValue * value, GParamSpec * param_spec);
|
|
|
|
|
|
|
|
static gboolean gst_vulkan_sink_query (GstBaseSink * bsink, GstQuery * query);
|
|
|
|
static void gst_vulkan_sink_set_context (GstElement * element,
|
|
|
|
GstContext * context);
|
|
|
|
|
|
|
|
static GstStateChangeReturn
|
|
|
|
gst_vulkan_sink_change_state (GstElement * element, GstStateChange transition);
|
|
|
|
|
|
|
|
static void gst_vulkan_sink_get_times (GstBaseSink * bsink, GstBuffer * buf,
|
|
|
|
GstClockTime * start, GstClockTime * end);
|
|
|
|
static gboolean gst_vulkan_sink_set_caps (GstBaseSink * bsink, GstCaps * caps);
|
|
|
|
static GstCaps *gst_vulkan_sink_get_caps (GstBaseSink * bsink,
|
|
|
|
GstCaps * filter);
|
|
|
|
static GstFlowReturn gst_vulkan_sink_prepare (GstBaseSink * bsink,
|
|
|
|
GstBuffer * buf);
|
|
|
|
static GstFlowReturn gst_vulkan_sink_show_frame (GstVideoSink * bsink,
|
|
|
|
GstBuffer * buf);
|
|
|
|
|
2019-03-27 06:56:28 +00:00
|
|
|
static void gst_vulkan_sink_video_overlay_init (GstVideoOverlayInterface *
|
|
|
|
iface);
|
|
|
|
|
|
|
|
|
2015-10-24 06:29:05 +00:00
|
|
|
static GstStaticPadTemplate gst_vulkan_sink_template =
|
|
|
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
|
|
GST_PAD_SINK,
|
|
|
|
GST_PAD_ALWAYS,
|
2016-02-08 11:49:15 +00:00
|
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
|
|
|
|
(GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER,
|
|
|
|
GST_VULKAN_SWAPPER_VIDEO_FORMATS)));
|
2015-10-24 06:29:05 +00:00
|
|
|
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
PROP_0,
|
|
|
|
PROP_FORCE_ASPECT_RATIO,
|
|
|
|
PROP_PIXEL_ASPECT_RATIO,
|
|
|
|
};
|
|
|
|
|
|
|
|
enum
|
|
|
|
{
|
|
|
|
SIGNAL_0,
|
|
|
|
LAST_SIGNAL
|
|
|
|
};
|
|
|
|
|
|
|
|
/* static guint gst_vulkan_sink_signals[LAST_SIGNAL] = { 0 }; */
|
|
|
|
|
|
|
|
#define gst_vulkan_sink_parent_class parent_class
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GstVulkanSink, gst_vulkan_sink,
|
|
|
|
GST_TYPE_VIDEO_SINK, GST_DEBUG_CATEGORY_INIT (gst_debug_vulkan_sink,
|
2019-03-27 06:56:28 +00:00
|
|
|
"vulkansink", 0, "Vulkan Video Sink");
|
|
|
|
G_IMPLEMENT_INTERFACE (GST_TYPE_VIDEO_OVERLAY,
|
|
|
|
gst_vulkan_sink_video_overlay_init));
|
2015-10-24 06:29:05 +00:00
|
|
|
|
|
|
|
static void
|
|
|
|
gst_vulkan_sink_class_init (GstVulkanSinkClass * klass)
|
|
|
|
{
|
|
|
|
GObjectClass *gobject_class;
|
|
|
|
GstElementClass *gstelement_class;
|
|
|
|
GstBaseSinkClass *gstbasesink_class;
|
|
|
|
GstVideoSinkClass *gstvideosink_class;
|
|
|
|
GstElementClass *element_class;
|
|
|
|
|
|
|
|
gobject_class = (GObjectClass *) klass;
|
|
|
|
gstelement_class = (GstElementClass *) klass;
|
|
|
|
gstbasesink_class = (GstBaseSinkClass *) klass;
|
|
|
|
gstvideosink_class = (GstVideoSinkClass *) klass;
|
|
|
|
element_class = GST_ELEMENT_CLASS (klass);
|
|
|
|
|
|
|
|
gobject_class->set_property = gst_vulkan_sink_set_property;
|
|
|
|
gobject_class->get_property = gst_vulkan_sink_get_property;
|
|
|
|
|
|
|
|
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_PIXEL_ASPECT_RATIO,
|
|
|
|
gst_param_spec_fraction ("pixel-aspect-ratio", "Pixel Aspect Ratio",
|
|
|
|
"The pixel aspect ratio of the device", 0, 1, G_MAXINT, 1, 1, 1,
|
|
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
|
|
|
|
|
|
|
gst_element_class_set_metadata (element_class, "Vulkan video sink",
|
|
|
|
"Sink/Video", "A videosink based on OpenGL",
|
|
|
|
"Matthew Waters <matthew@centricular.com>");
|
|
|
|
|
2016-03-04 06:50:26 +00:00
|
|
|
gst_element_class_add_static_pad_template (element_class,
|
|
|
|
&gst_vulkan_sink_template);
|
2015-10-24 06:29:05 +00:00
|
|
|
|
|
|
|
gobject_class->finalize = gst_vulkan_sink_finalize;
|
|
|
|
|
|
|
|
gstelement_class->change_state = gst_vulkan_sink_change_state;
|
|
|
|
gstelement_class->set_context = gst_vulkan_sink_set_context;
|
|
|
|
gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_vulkan_sink_query);
|
|
|
|
gstbasesink_class->set_caps = gst_vulkan_sink_set_caps;
|
|
|
|
gstbasesink_class->get_caps = gst_vulkan_sink_get_caps;
|
|
|
|
gstbasesink_class->get_times = gst_vulkan_sink_get_times;
|
|
|
|
gstbasesink_class->prepare = gst_vulkan_sink_prepare;
|
|
|
|
|
|
|
|
gstvideosink_class->show_frame =
|
|
|
|
GST_DEBUG_FUNCPTR (gst_vulkan_sink_show_frame);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_vulkan_sink_init (GstVulkanSink * vk_sink)
|
|
|
|
{
|
|
|
|
vk_sink->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO;
|
|
|
|
vk_sink->par_n = DEFAULT_PIXEL_ASPECT_RATIO_N;
|
|
|
|
vk_sink->par_d = DEFAULT_PIXEL_ASPECT_RATIO_D;
|
|
|
|
|
|
|
|
// g_mutex_init (&vk_sink->drawing_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_vulkan_sink_finalize (GObject * object)
|
|
|
|
{
|
|
|
|
// GstVulkanSink *vk_sink = GST_VULKAN_SINK (object);
|
|
|
|
// g_mutex_clear (&vk_sink->drawing_lock);
|
|
|
|
|
|
|
|
// GST_DEBUG ("finalized");
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_vulkan_sink_set_property (GObject * object, guint prop_id,
|
|
|
|
const GValue * value, GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (object);
|
|
|
|
|
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_FORCE_ASPECT_RATIO:
|
|
|
|
vk_sink->force_aspect_ratio = g_value_get_boolean (value);
|
|
|
|
break;
|
|
|
|
case PROP_PIXEL_ASPECT_RATIO:
|
|
|
|
vk_sink->par_n = gst_value_get_fraction_numerator (value);
|
|
|
|
vk_sink->par_d = gst_value_get_fraction_denominator (value);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_vulkan_sink_get_property (GObject * object, guint prop_id,
|
|
|
|
GValue * value, GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (object);
|
|
|
|
|
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_FORCE_ASPECT_RATIO:
|
|
|
|
g_value_set_boolean (value, vk_sink->force_aspect_ratio);
|
|
|
|
break;
|
|
|
|
case PROP_PIXEL_ASPECT_RATIO:
|
|
|
|
gst_value_set_fraction (value, vk_sink->par_n, vk_sink->par_d);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static gboolean
|
|
|
|
gst_vulkan_sink_query (GstBaseSink * bsink, GstQuery * query)
|
|
|
|
{
|
2015-12-07 06:33:43 +00:00
|
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (bsink);
|
2015-10-24 06:29:05 +00:00
|
|
|
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
2015-12-07 06:33:43 +00:00
|
|
|
case GST_QUERY_CONTEXT:{
|
2016-02-10 14:31:14 +00:00
|
|
|
if (gst_vulkan_handle_context_query (GST_ELEMENT (vk_sink), query,
|
|
|
|
&vk_sink->display, &vk_sink->instance, &vk_sink->device))
|
|
|
|
return TRUE;
|
2019-05-08 04:47:43 +00:00
|
|
|
if (gst_vulkan_queue_handle_context_query (GST_ELEMENT (vk_sink), query,
|
|
|
|
&vk_sink->swapper->queue))
|
|
|
|
return TRUE;
|
2015-12-07 06:33:43 +00:00
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
2015-10-24 06:29:05 +00:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2015-12-07 06:33:43 +00:00
|
|
|
return GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
|
2015-10-24 06:29:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_vulkan_sink_set_context (GstElement * element, GstContext * context)
|
|
|
|
{
|
2015-12-07 06:33:43 +00:00
|
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (element);
|
|
|
|
|
|
|
|
gst_vulkan_handle_set_context (element, context, &vk_sink->display,
|
|
|
|
&vk_sink->instance);
|
2015-10-24 06:29:05 +00:00
|
|
|
|
|
|
|
GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstStateChangeReturn
|
|
|
|
gst_vulkan_sink_change_state (GstElement * element, GstStateChange transition)
|
|
|
|
{
|
|
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (element);
|
|
|
|
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
|
|
|
|
GError *error = NULL;
|
|
|
|
|
|
|
|
GST_DEBUG ("changing state: %s => %s",
|
|
|
|
gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)),
|
|
|
|
gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition)));
|
|
|
|
|
|
|
|
switch (transition) {
|
|
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
2015-12-07 06:33:43 +00:00
|
|
|
if (!gst_vulkan_ensure_element_data (element, &vk_sink->display,
|
|
|
|
&vk_sink->instance)) {
|
|
|
|
GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
|
2016-02-29 22:24:46 +00:00
|
|
|
("Failed to retrieve vulkan instance/display"), (NULL));
|
2015-12-07 06:33:43 +00:00
|
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
}
|
|
|
|
|
2016-02-08 03:25:49 +00:00
|
|
|
if (!(vk_sink->device =
|
|
|
|
gst_vulkan_instance_create_device (vk_sink->instance, &error))) {
|
2015-10-24 06:29:05 +00:00
|
|
|
GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
|
|
|
|
("Failed to create vulkan device"), ("%s", error->message));
|
2016-02-29 01:33:45 +00:00
|
|
|
g_clear_error (&error);
|
2015-10-24 06:29:05 +00:00
|
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
}
|
|
|
|
|
2019-03-27 06:56:28 +00:00
|
|
|
/* FIXME: this probably doesn't need to be so early in the setup process */
|
2015-10-24 06:29:05 +00:00
|
|
|
if (!(vk_sink->window =
|
|
|
|
gst_vulkan_display_create_window (vk_sink->display))) {
|
|
|
|
GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
|
|
|
|
("Failed to create a window"), (NULL));
|
|
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
}
|
|
|
|
|
2019-03-27 06:56:28 +00:00
|
|
|
if (!vk_sink->set_window_handle)
|
|
|
|
gst_video_overlay_prepare_window_handle (GST_VIDEO_OVERLAY (vk_sink));
|
|
|
|
|
|
|
|
if (vk_sink->set_window_handle)
|
|
|
|
gst_vulkan_window_set_window_handle (vk_sink->window,
|
|
|
|
vk_sink->set_window_handle);
|
|
|
|
|
2015-10-24 06:29:05 +00:00
|
|
|
if (!gst_vulkan_window_open (vk_sink->window, &error)) {
|
|
|
|
GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
|
|
|
|
("Failed to open window"), ("%s", error->message));
|
2016-02-29 01:33:45 +00:00
|
|
|
g_clear_error (&error);
|
2015-10-24 06:29:05 +00:00
|
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(vk_sink->swapper =
|
|
|
|
gst_vulkan_swapper_new (vk_sink->device, vk_sink->window))) {
|
|
|
|
GST_ELEMENT_ERROR (vk_sink, RESOURCE, NOT_FOUND,
|
|
|
|
("Failed to create a swapper"), (NULL));
|
|
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
|
|
break;
|
|
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
if (ret == GST_STATE_CHANGE_FAILURE)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
switch (transition) {
|
|
|
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
|
|
break;
|
|
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
|
|
break;
|
|
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
2016-02-10 07:58:32 +00:00
|
|
|
if (vk_sink->swapper)
|
|
|
|
gst_object_unref (vk_sink->swapper);
|
2015-10-24 06:29:05 +00:00
|
|
|
vk_sink->swapper = NULL;
|
2016-02-10 07:58:32 +00:00
|
|
|
if (vk_sink->display)
|
|
|
|
gst_object_unref (vk_sink->display);
|
2015-10-24 06:29:05 +00:00
|
|
|
vk_sink->display = NULL;
|
2016-02-10 07:58:32 +00:00
|
|
|
if (vk_sink->window) {
|
|
|
|
gst_vulkan_window_close (vk_sink->window);
|
|
|
|
gst_object_unref (vk_sink->window);
|
|
|
|
}
|
2015-10-24 06:29:05 +00:00
|
|
|
vk_sink->window = NULL;
|
2016-02-10 07:58:32 +00:00
|
|
|
if (vk_sink->device)
|
|
|
|
gst_object_unref (vk_sink->device);
|
2015-10-24 06:29:05 +00:00
|
|
|
vk_sink->device = NULL;
|
2016-02-10 07:58:32 +00:00
|
|
|
if (vk_sink->instance)
|
|
|
|
gst_object_unref (vk_sink->instance);
|
2015-10-24 06:29:05 +00:00
|
|
|
vk_sink->instance = NULL;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_vulkan_sink_get_times (GstBaseSink * bsink, GstBuffer * buf,
|
|
|
|
GstClockTime * start, GstClockTime * end)
|
|
|
|
{
|
|
|
|
GstVulkanSink *vk_sink = GST_VULKAN_SINK (bsink);
|
|
|
|
|
|
|
|
if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
|
|
|
|
*start = GST_BUFFER_TIMESTAMP (buf);
|
|
|
|
if (GST_BUFFER_DURATION_IS_VALID (buf))
|
|
|
|
*end = *start + GST_BUFFER_DURATION (buf);
|
|
|
|
else {
|
|
|
|
if (GST_VIDEO_INFO_FPS_N (&vk_sink->v_info) > 0) {
|
|
|
|
*end = *start +
|
|
|
|
gst_util_uint64_scale_int (GST_SECOND,
|
|
|
|
GST_VIDEO_INFO_FPS_D (&vk_sink->v_info),
|
|
|
|
GST_VIDEO_INFO_FPS_N (&vk_sink->v_info));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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->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->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->message));
|
|
|
|
g_clear_error (&error);
|
|
|
|
return GST_FLOW_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
return GST_FLOW_OK;
|
|
|
|
}
|
2019-03-27 06:56:28 +00:00
|
|
|
|
|
|
|
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;
|
|
|
|
}
|