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gstreamer/subprojects/gst-plugins-bad/sys/d3d11/gstd3d11window.cpp
Seungha Yang 0a65aaa6d2 d3d11videosink: Add display-format property 
Make swapchian's display format configurable, since some DXGI formats
we can use for swapchain are not API interop compatible.
For instance, BGRA format should be used for Direct2D interop.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2923>
2022-08-24 17:44:49 +00:00

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/*
* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstd3d11window.h"
#include "gstd3d11pluginutils.h"
#if GST_D3D11_WINAPI_APP
/* workaround for GetCurrentTime collision */
#ifdef GetCurrentTime
#undef GetCurrentTime
#endif
#include <windows.ui.xaml.h>
#include <windows.applicationmodel.core.h>
#endif
#include <wrl.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_window_debug);
#define GST_CAT_DEFAULT gst_d3d11_window_debug
enum
{
PROP_0,
PROP_D3D11_DEVICE,
PROP_FORCE_ASPECT_RATIO,
PROP_ENABLE_NAVIGATION_EVENTS,
PROP_FULLSCREEN_TOGGLE_MODE,
PROP_FULLSCREEN,
PROP_WINDOW_HANDLE,
PROP_RENDER_STATS,
PROP_EMIT_PRESENT,
};
#define DEFAULT_ENABLE_NAVIGATION_EVENTS TRUE
#define DEFAULT_FORCE_ASPECT_RATIO TRUE
#define DEFAULT_FULLSCREEN_TOGGLE_MODE GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE
#define DEFAULT_FULLSCREEN FALSE
#define DEFAULT_EMIT_PRESENT FALSE
enum
{
SIGNAL_KEY_EVENT,
SIGNAL_MOUSE_EVENT,
SIGNAL_PRESENT,
SIGNAL_LAST
};
static guint d3d11_window_signals[SIGNAL_LAST] = { 0, };
GType
gst_d3d11_window_fullscreen_toggle_mode_type (void)
{
static GType mode_type = 0;
GST_D3D11_CALL_ONCE_BEGIN {
static const GFlagsValue mode_types[] = {
{GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE,
"GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE", "none"},
{GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_ALT_ENTER,
"GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_ALT_ENTER", "alt-enter"},
{GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_PROPERTY,
"GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_PROPERTY", "property"},
{0, nullptr, nullptr},
};
mode_type = g_flags_register_static ("GstD3D11WindowFullscreenToggleMode",
mode_types);
} GST_D3D11_CALL_ONCE_END;
return mode_type;
}
#define gst_d3d11_window_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE (GstD3D11Window, gst_d3d11_window, GST_TYPE_OBJECT);
static void gst_d3d11_window_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_d3d11_window_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_d3d11_window_dispose (GObject * object);
static GstFlowReturn gst_d3d111_window_present (GstD3D11Window * self,
GstBuffer * buffer, GstBuffer * render_target);
static void gst_d3d11_window_on_resize_default (GstD3D11Window * window,
guint width, guint height);
static gboolean gst_d3d11_window_prepare_default (GstD3D11Window * window,
guint display_width, guint display_height, GstCaps * caps,
GstStructure * config, DXGI_FORMAT display_format, GError ** error);
static void
gst_d3d11_window_class_init (GstD3D11WindowClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gst_d3d11_window_set_property;
gobject_class->get_property = gst_d3d11_window_get_property;
gobject_class->dispose = gst_d3d11_window_dispose;
klass->on_resize = GST_DEBUG_FUNCPTR (gst_d3d11_window_on_resize_default);
klass->prepare = GST_DEBUG_FUNCPTR (gst_d3d11_window_prepare_default);
g_object_class_install_property (gobject_class, PROP_D3D11_DEVICE,
g_param_spec_object ("d3d11device", "D3D11 Device",
"GstD3D11Device object for creating swapchain",
GST_TYPE_D3D11_DEVICE,
(GParamFlags) (G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_FORCE_ASPECT_RATIO,
g_param_spec_boolean ("force-aspect-ratio",
"Force aspect ratio",
"When enabled, scaling will respect original aspect ratio",
DEFAULT_FORCE_ASPECT_RATIO,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_ENABLE_NAVIGATION_EVENTS,
g_param_spec_boolean ("enable-navigation-events",
"Enable navigation events",
"When enabled, signals for navigation events are emitted",
DEFAULT_ENABLE_NAVIGATION_EVENTS,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_FULLSCREEN_TOGGLE_MODE,
g_param_spec_flags ("fullscreen-toggle-mode",
"Full screen toggle mode",
"Full screen toggle mode used to trigger fullscreen mode change",
GST_D3D11_WINDOW_TOGGLE_MODE_GET_TYPE, DEFAULT_FULLSCREEN_TOGGLE_MODE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_FULLSCREEN,
g_param_spec_boolean ("fullscreen",
"fullscreen",
"Ignored when \"fullscreen-toggle-mode\" does not include \"property\"",
DEFAULT_FULLSCREEN,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_WINDOW_HANDLE,
g_param_spec_pointer ("window-handle",
"Window Handle", "External Window Handle",
(GParamFlags) (G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_EMIT_PRESENT,
g_param_spec_boolean ("emit-present", "Emit Present",
"Emit present signal", DEFAULT_EMIT_PRESENT,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
d3d11_window_signals[SIGNAL_KEY_EVENT] =
g_signal_new ("key-event", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL,
G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_STRING);
d3d11_window_signals[SIGNAL_MOUSE_EVENT] =
g_signal_new ("mouse-event", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL,
G_TYPE_NONE, 4, G_TYPE_STRING, G_TYPE_INT, G_TYPE_DOUBLE, G_TYPE_DOUBLE);
d3d11_window_signals[SIGNAL_PRESENT] =
g_signal_new ("present", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, nullptr, nullptr, nullptr,
G_TYPE_NONE, 2, GST_TYPE_D3D11_DEVICE, G_TYPE_POINTER);
}
static void
gst_d3d11_window_init (GstD3D11Window * self)
{
self->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO;
self->enable_navigation_events = DEFAULT_ENABLE_NAVIGATION_EVENTS;
self->fullscreen_toggle_mode = GST_D3D11_WINDOW_FULLSCREEN_TOGGLE_MODE_NONE;
self->fullscreen = DEFAULT_FULLSCREEN;
self->emit_present = DEFAULT_EMIT_PRESENT;
}
static void
gst_d3d11_window_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstD3D11Window *self = GST_D3D11_WINDOW (object);
GstD3D11WindowClass *klass = GST_D3D11_WINDOW_GET_CLASS (object);
switch (prop_id) {
case PROP_D3D11_DEVICE:
self->device = (GstD3D11Device *) g_value_dup_object (value);
break;
case PROP_FORCE_ASPECT_RATIO:
{
self->force_aspect_ratio = g_value_get_boolean (value);
if (self->swap_chain)
klass->update_swap_chain (self);
break;
}
case PROP_ENABLE_NAVIGATION_EVENTS:
self->enable_navigation_events = g_value_get_boolean (value);
break;
case PROP_FULLSCREEN_TOGGLE_MODE:
self->fullscreen_toggle_mode =
(GstD3D11WindowFullscreenToggleMode) g_value_get_flags (value);
break;
case PROP_FULLSCREEN:
{
self->requested_fullscreen = g_value_get_boolean (value);
if (self->swap_chain)
klass->change_fullscreen_mode (self);
break;
}
case PROP_WINDOW_HANDLE:
self->external_handle = (guintptr) g_value_get_pointer (value);
break;
case PROP_EMIT_PRESENT:
self->emit_present = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_window_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11Window *self = GST_D3D11_WINDOW (object);
switch (prop_id) {
case PROP_ENABLE_NAVIGATION_EVENTS:
g_value_set_boolean (value, self->enable_navigation_events);
break;
case PROP_FORCE_ASPECT_RATIO:
g_value_set_boolean (value, self->force_aspect_ratio);
break;
case PROP_FULLSCREEN_TOGGLE_MODE:
g_value_set_flags (value, self->fullscreen_toggle_mode);
break;
case PROP_FULLSCREEN:
g_value_set_boolean (value, self->fullscreen);
break;
case PROP_EMIT_PRESENT:
g_value_set_boolean (value, self->emit_present);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_window_dispose (GObject * object)
{
GstD3D11Window *self = GST_D3D11_WINDOW (object);
gst_clear_buffer (&self->backbuffer);
GST_D3D11_CLEAR_COM (self->swap_chain);
gst_clear_object (&self->compositor);
gst_clear_object (&self->converter);
gst_clear_buffer (&self->cached_buffer);
gst_clear_object (&self->device);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_d3d11_window_on_resize_default (GstD3D11Window * self, guint width,
guint height)
{
GstD3D11Device *device = self->device;
HRESULT hr;
D3D11_TEXTURE2D_DESC desc;
DXGI_SWAP_CHAIN_DESC swap_desc;
ComPtr < ID3D11Texture2D > backbuffer;
GstVideoRectangle src_rect, dst_rect, rst_rect;
IDXGISwapChain *swap_chain;
GstMemory *mem;
GstD3D11Memory *dmem;
ID3D11RenderTargetView *rtv;
gsize size;
GstD3D11DeviceLockGuard lk (device);
gst_clear_buffer (&self->backbuffer);
if (!self->swap_chain)
return;
swap_chain = self->swap_chain;
swap_chain->GetDesc (&swap_desc);
hr = swap_chain->ResizeBuffers (0, width, height, self->dxgi_format,
swap_desc.Flags);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Couldn't resize buffers, hr: 0x%x", (guint) hr);
return;
}
hr = swap_chain->GetBuffer (0, IID_PPV_ARGS (&backbuffer));
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self,
"Cannot get backbuffer from swapchain, hr: 0x%x", (guint) hr);
return;
}
backbuffer->GetDesc (&desc);
size = desc.Width * desc.Height;
/* flip mode swapchain supports only 4 formats, rgba/bgra/rgb10a2/rgba64.
* The size passed in alloc_wrapped() is not important here, since we never
* try mapping this for CPU access */
if (desc.Format == DXGI_FORMAT_R16G16B16A16_FLOAT) {
size *= 8;
} else {
size *= 4;
}
mem = gst_d3d11_allocator_alloc_wrapped (nullptr,
self->device, backbuffer.Get (), size, nullptr, nullptr);
if (!mem) {
GST_ERROR_OBJECT (self, "Couldn't allocate wrapped memory");
return;
}
dmem = GST_D3D11_MEMORY_CAST (mem);
rtv = gst_d3d11_memory_get_render_target_view (dmem, 0);
if (!rtv) {
GST_ERROR_OBJECT (self, "RTV is unavailable");
gst_memory_unref (mem);
return;
}
self->backbuffer = gst_buffer_new ();
gst_buffer_append_memory (self->backbuffer, mem);
self->surface_width = desc.Width;
self->surface_height = desc.Height;
dst_rect.x = 0;
dst_rect.y = 0;
dst_rect.w = self->surface_width;
dst_rect.h = self->surface_height;
if (self->force_aspect_ratio) {
src_rect.x = 0;
src_rect.y = 0;
switch (self->method) {
case GST_VIDEO_ORIENTATION_90R:
case GST_VIDEO_ORIENTATION_90L:
case GST_VIDEO_ORIENTATION_UL_LR:
case GST_VIDEO_ORIENTATION_UR_LL:
src_rect.w = GST_VIDEO_INFO_HEIGHT (&self->render_info);
src_rect.h = GST_VIDEO_INFO_WIDTH (&self->render_info);
break;
default:
src_rect.w = GST_VIDEO_INFO_WIDTH (&self->render_info);
src_rect.h = GST_VIDEO_INFO_HEIGHT (&self->render_info);
break;
}
gst_video_sink_center_rect (src_rect, dst_rect, &rst_rect, TRUE);
} else {
rst_rect = dst_rect;
}
self->render_rect.left = rst_rect.x;
self->render_rect.top = rst_rect.y;
self->render_rect.right = rst_rect.x + rst_rect.w;
self->render_rect.bottom = rst_rect.y + rst_rect.h;
GST_LOG_OBJECT (self,
"New client area %dx%d, render rect x: %d, y: %d, %dx%d",
desc.Width, desc.Height, rst_rect.x, rst_rect.y, rst_rect.w, rst_rect.h);
self->first_present = TRUE;
/* redraw the last scene if cached buffer exits */
if (self->cached_buffer)
gst_d3d111_window_present (self, self->cached_buffer, self->backbuffer);
}
void
gst_d3d11_window_on_key_event (GstD3D11Window * window, const gchar * event,
const gchar * key)
{
g_return_if_fail (GST_IS_D3D11_WINDOW (window));
if (!window->enable_navigation_events)
return;
g_signal_emit (window, d3d11_window_signals[SIGNAL_KEY_EVENT], 0, event, key);
}
void
gst_d3d11_window_on_mouse_event (GstD3D11Window * window, const gchar * event,
gint button, gdouble x, gdouble y)
{
RECT render_rect;
GstVideoOrientationMethod method;
LONG xpos, ypos;
gdouble display_w, display_h, src_w, src_h;
gint in_w, in_h;
g_return_if_fail (GST_IS_D3D11_WINDOW (window));
if (!window->enable_navigation_events)
return;
gst_d3d11_device_lock (window->device);
method = window->method;
render_rect = window->render_rect;
in_w = window->info.width;
in_h = window->info.height;
gst_d3d11_device_unlock (window->device);
display_w = render_rect.right - render_rect.left;
display_h = render_rect.bottom - render_rect.top;
xpos = (LONG) x;
ypos = (LONG) y;
/* if backbuffer surface size is unknown or mouse point located at
* outside of render area, ignore it */
if (display_w <= 0 || display_h <= 0 || in_w <= 0 || in_h <= 0 ||
xpos < render_rect.left || xpos >= render_rect.right ||
ypos < render_rect.top || ypos >= render_rect.bottom) {
return;
}
switch (method) {
case GST_VIDEO_ORIENTATION_90R:
case GST_VIDEO_ORIENTATION_90L:
case GST_VIDEO_ORIENTATION_UL_LR:
case GST_VIDEO_ORIENTATION_UR_LL:
src_w = in_h;
src_h = in_w;
break;
default:
src_w = in_w;
src_h = in_h;
break;
}
xpos = ((xpos - render_rect.left) / display_w) * src_w;
ypos = ((ypos - render_rect.top) / display_h) * src_h;
xpos = CLAMP (xpos, 0, (LONG) (src_w - 1));
ypos = CLAMP (ypos, 0, (LONG) (src_h - 1));
/* Reverse rotate/flip if needed */
switch (method) {
case GST_VIDEO_ORIENTATION_90R:
x = ypos;
y = src_w - xpos;
break;
case GST_VIDEO_ORIENTATION_90L:
x = src_h - ypos;
y = xpos;
break;
case GST_VIDEO_ORIENTATION_UR_LL:
x = src_h - ypos;
y = src_w - xpos;
break;
case GST_VIDEO_ORIENTATION_UL_LR:
x = ypos;
y = xpos;
break;
case GST_VIDEO_ORIENTATION_180:
x = src_w - xpos;
y = src_h - ypos;
break;
case GST_VIDEO_ORIENTATION_HORIZ:
x = src_w - xpos;
y = ypos;
break;
case GST_VIDEO_ORIENTATION_VERT:
x = xpos;
y = src_h - ypos;
break;
default:
x = xpos;
y = ypos;
break;
}
g_signal_emit (window, d3d11_window_signals[SIGNAL_MOUSE_EVENT], 0,
event, button, x, y);
}
typedef struct
{
DXGI_FORMAT dxgi_format;
GstVideoFormat gst_format;
gboolean supported;
} GstD3D11WindowDisplayFormat;
gboolean
gst_d3d11_window_prepare (GstD3D11Window * window, guint display_width,
guint display_height, GstCaps * caps, GstStructure * config,
DXGI_FORMAT display_format, GError ** error)
{
GstD3D11WindowClass *klass;
g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), FALSE);
klass = GST_D3D11_WINDOW_GET_CLASS (window);
g_assert (klass->prepare != NULL);
GST_DEBUG_OBJECT (window, "Prepare window, display resolution %dx%d, caps %"
GST_PTR_FORMAT, display_width, display_height, caps);
return klass->prepare (window, display_width, display_height, caps, config,
display_format, error);
}
static gboolean
gst_d3d11_window_prepare_default (GstD3D11Window * window, guint display_width,
guint display_height, GstCaps * caps, GstStructure * config,
DXGI_FORMAT display_format, GError ** error)
{
GstD3D11Device *device = window->device;
GstD3D11WindowClass *klass;
guint swapchain_flags = 0;
ID3D11Device *device_handle;
guint num_supported_format = 0;
HRESULT hr;
UINT display_flags =
D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_DISPLAY;
UINT supported_flags = 0;
GstD3D11WindowDisplayFormat formats[] = {
{DXGI_FORMAT_B8G8R8A8_UNORM, GST_VIDEO_FORMAT_BGRA, FALSE},
{DXGI_FORMAT_R8G8B8A8_UNORM, GST_VIDEO_FORMAT_RGBA, FALSE},
{DXGI_FORMAT_R10G10B10A2_UNORM, GST_VIDEO_FORMAT_RGB10A2_LE, FALSE},
};
const GstD3D11WindowDisplayFormat *chosen_format = nullptr;
DXGI_COLOR_SPACE_TYPE swapchain_colorspace =
DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709;
gboolean hdr10_aware = FALSE;
gboolean have_hdr10_meta = FALSE;
ComPtr < IDXGIFactory5 > factory5;
IDXGIFactory1 *factory_handle;
BOOL allow_tearing = FALSE;
GstVideoMasteringDisplayInfo mdcv;
GstVideoContentLightLevel cll;
ComPtr < IDXGISwapChain3 > swapchain3;
GstStructure *s;
const gchar *cll_str = nullptr;
const gchar *mdcv_str = nullptr;
/* Step 1: Clear old resources and objects */
gst_clear_buffer (&window->cached_buffer);
gst_clear_object (&window->compositor);
gst_clear_object (&window->converter);
/* Step 2: Decide display color format
* If upstream format is 10bits, try DXGI_FORMAT_R10G10B10A2_UNORM first
* Otherwise, use DXGI_FORMAT_B8G8R8A8_UNORM or DXGI_FORMAT_B8G8R8A8_UNORM
*/
gst_video_info_from_caps (&window->info, caps);
device_handle = gst_d3d11_device_get_device_handle (device);
for (guint i = 0; i < G_N_ELEMENTS (formats); i++) {
hr = device_handle->CheckFormatSupport (formats[i].dxgi_format,
&supported_flags);
if (SUCCEEDED (hr) && (supported_flags & display_flags) == display_flags) {
GST_DEBUG_OBJECT (window, "Device supports format %s (DXGI_FORMAT %d)",
gst_video_format_to_string (formats[i].gst_format),
formats[i].dxgi_format);
formats[i].supported = TRUE;
num_supported_format++;
}
}
if (num_supported_format == 0) {
GST_ERROR_OBJECT (window, "Cannot determine render format");
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot determine render format");
if (config)
gst_structure_free (config);
return FALSE;
}
if (display_format != DXGI_FORMAT_UNKNOWN) {
for (guint i = 0; i < G_N_ELEMENTS (formats); i++) {
if (display_format == formats[i].dxgi_format && formats[i].supported) {
GST_DEBUG_OBJECT (window, "Requested format %s is supported",
gst_d3d11_dxgi_format_to_string (display_format));
chosen_format = &formats[i];
break;
}
}
if (!chosen_format) {
GST_ERROR_OBJECT (window, "Requested DXGI FORMAT %d is not supported",
display_format);
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot determine render format");
if (config)
gst_structure_free (config);
return FALSE;
}
} else {
for (guint i = 0; i < GST_VIDEO_INFO_N_COMPONENTS (&window->info); i++) {
if (GST_VIDEO_INFO_COMP_DEPTH (&window->info, i) > 8) {
if (formats[2].supported) {
chosen_format = &formats[2];
}
break;
}
}
}
if (!chosen_format) {
/* prefer native format over conversion */
for (guint i = 0; i < 2; i++) {
if (formats[i].supported &&
formats[i].gst_format == GST_VIDEO_INFO_FORMAT (&window->info)) {
chosen_format = &formats[i];
break;
}
}
/* choose any color space then */
if (!chosen_format) {
for (guint i = 0; i < G_N_ELEMENTS (formats); i++) {
if (formats[i].supported) {
chosen_format = &formats[i];
break;
}
}
}
}
g_assert (chosen_format != nullptr);
GST_DEBUG_OBJECT (window, "chosen render format %s (DXGI_FORMAT %d)",
gst_video_format_to_string (chosen_format->gst_format),
chosen_format->dxgi_format);
/* Step 3: Create swapchain
* (or reuse old swapchain if the format is not changed) */
window->allow_tearing = FALSE;
factory_handle = gst_d3d11_device_get_dxgi_factory_handle (device);
hr = factory_handle->QueryInterface (IID_PPV_ARGS (&factory5));
if (SUCCEEDED (hr)) {
hr = factory5->CheckFeatureSupport (DXGI_FEATURE_PRESENT_ALLOW_TEARING,
(void *) &allow_tearing, sizeof (allow_tearing));
}
if (SUCCEEDED (hr) && allow_tearing)
window->allow_tearing = allow_tearing;
if (window->allow_tearing) {
GST_DEBUG_OBJECT (window, "device supports tearing");
swapchain_flags |= DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
}
GstD3D11DeviceLockGuard lk (device);
window->dxgi_format = chosen_format->dxgi_format;
klass = GST_D3D11_WINDOW_GET_CLASS (window);
if (!window->swap_chain &&
!klass->create_swap_chain (window, window->dxgi_format,
display_width, display_height, swapchain_flags,
&window->swap_chain)) {
GST_ERROR_OBJECT (window, "Cannot create swapchain");
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot create swapchain");
if (config)
gst_structure_free (config);
return FALSE;
}
/* this rect struct will be used to calculate render area */
window->render_rect.left = 0;
window->render_rect.top = 0;
window->render_rect.right = display_width;
window->render_rect.bottom = display_height;
window->input_rect.left = 0;
window->input_rect.top = 0;
window->input_rect.right = GST_VIDEO_INFO_WIDTH (&window->info);
window->input_rect.bottom = GST_VIDEO_INFO_HEIGHT (&window->info);
window->prev_input_rect = window->input_rect;
gst_video_info_set_format (&window->render_info,
chosen_format->gst_format, display_width, display_height);
/* preserve upstream colorimetry */
window->render_info.colorimetry.primaries =
window->info.colorimetry.primaries;
window->render_info.colorimetry.transfer = window->info.colorimetry.transfer;
/* prefer FULL range RGB. STUDIO range doesn't seem to be well supported
* color space by GPUs and we don't need to preserve color range for
* target display color space type */
window->render_info.colorimetry.range = GST_VIDEO_COLOR_RANGE_0_255;
s = gst_caps_get_structure (caps, 0);
mdcv_str = gst_structure_get_string (s, "mastering-display-info");
cll_str = gst_structure_get_string (s, "content-light-level");
if (mdcv_str && cll_str &&
gst_video_mastering_display_info_from_string (&mdcv, mdcv_str) &&
gst_video_content_light_level_from_string (&cll, cll_str)) {
have_hdr10_meta = TRUE;
}
hr = window->swap_chain->QueryInterface (IID_PPV_ARGS (&swapchain3));
if (gst_d3d11_result (hr, device)) {
if (gst_d3d11_find_swap_chain_color_space (&window->render_info,
swapchain3.Get (), &swapchain_colorspace)) {
hr = swapchain3->SetColorSpace1 (swapchain_colorspace);
if (!gst_d3d11_result (hr, window->device)) {
GST_WARNING_OBJECT (window, "Failed to set colorspace %d, hr: 0x%x",
swapchain_colorspace, (guint) hr);
swapchain_colorspace = DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709;
} else {
ComPtr < IDXGISwapChain4 > swapchain4;
/* DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020 = 12, undefined in old
* mingw header */
if (swapchain_colorspace == 12 && have_hdr10_meta) {
hr = swapchain3.As (&swapchain4);
if (gst_d3d11_result (hr, device)) {
DXGI_HDR_METADATA_HDR10 hdr10_metadata = { 0, };
GST_DEBUG_OBJECT (window,
"Have HDR metadata, set to DXGI swapchain");
gst_d3d11_hdr_meta_data_to_dxgi (&mdcv, &cll, &hdr10_metadata);
hr = swapchain4->SetHDRMetaData (DXGI_HDR_METADATA_TYPE_HDR10,
sizeof (DXGI_HDR_METADATA_HDR10), &hdr10_metadata);
if (!gst_d3d11_result (hr, device)) {
GST_WARNING_OBJECT (window,
"Couldn't set HDR metadata, hr 0x%x", (guint) hr);
} else {
hdr10_aware = TRUE;
}
}
}
}
}
}
GST_DEBUG_OBJECT (window, "Set colorspace %d", swapchain_colorspace);
/* update with selected display color space */
gst_video_info_apply_dxgi_color_space (swapchain_colorspace,
&window->render_info);
window->converter = gst_d3d11_converter_new (device,
&window->info, &window->render_info, config);
if (!window->converter) {
GST_ERROR_OBJECT (window, "Cannot create converter");
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot create converter");
return FALSE;
}
if (have_hdr10_meta) {
g_object_set (window->converter, "src-mastering-display-info", mdcv_str,
"src-content-light-level", cll_str, nullptr);
if (hdr10_aware) {
g_object_set (window->converter, "dest-mastering-display-info", mdcv_str,
"dest-content-light-level", cll_str, nullptr);
}
}
window->compositor =
gst_d3d11_overlay_compositor_new (window->device, &window->render_info);
if (!window->compositor) {
GST_ERROR_OBJECT (window, "Cannot create overlay compositor");
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot create overlay compositor");
return FALSE;
}
/* call resize to allocated resources */
klass->on_resize (window, display_width, display_height);
if (window->requested_fullscreen != window->fullscreen)
klass->change_fullscreen_mode (window);
GST_DEBUG_OBJECT (window, "New swap chain 0x%p created", window->swap_chain);
return TRUE;
}
void
gst_d3d11_window_show (GstD3D11Window * window)
{
GstD3D11WindowClass *klass;
g_return_if_fail (GST_IS_D3D11_WINDOW (window));
klass = GST_D3D11_WINDOW_GET_CLASS (window);
if (klass->show)
klass->show (window);
}
void
gst_d3d11_window_set_render_rectangle (GstD3D11Window * window,
const GstVideoRectangle * rect)
{
GstD3D11WindowClass *klass;
g_return_if_fail (GST_IS_D3D11_WINDOW (window));
klass = GST_D3D11_WINDOW_GET_CLASS (window);
if (klass->set_render_rectangle)
klass->set_render_rectangle (window, rect);
}
void
gst_d3d11_window_set_title (GstD3D11Window * window, const gchar * title)
{
GstD3D11WindowClass *klass;
g_return_if_fail (GST_IS_D3D11_WINDOW (window));
klass = GST_D3D11_WINDOW_GET_CLASS (window);
if (klass->set_title)
klass->set_title (window, title);
}
static GstFlowReturn
gst_d3d111_window_present (GstD3D11Window * self, GstBuffer * buffer,
GstBuffer * backbuffer)
{
GstD3D11WindowClass *klass = GST_D3D11_WINDOW_GET_CLASS (self);
GstFlowReturn ret = GST_FLOW_OK;
guint present_flags = 0;
GstVideoCropMeta *crop_meta;
RECT input_rect = self->input_rect;
RECT *prev_rect = &self->prev_input_rect;
ID3D11RenderTargetView *rtv;
GstMemory *mem;
GstD3D11Memory *dmem;
if (!buffer)
return GST_FLOW_OK;
if (!backbuffer) {
GST_ERROR_OBJECT (self, "Empty render target");
return GST_FLOW_ERROR;
}
mem = gst_buffer_peek_memory (backbuffer, 0);
if (!gst_is_d3d11_memory (mem)) {
GST_ERROR_OBJECT (self, "Invalid back buffer");
return GST_FLOW_ERROR;
}
dmem = GST_D3D11_MEMORY_CAST (mem);
rtv = gst_d3d11_memory_get_render_target_view (dmem, 0);
if (!rtv) {
GST_ERROR_OBJECT (self, "RTV is unavailable");
return GST_FLOW_ERROR;
}
/* We use flip mode swapchain and will not redraw borders.
* So backbuffer should be cleared manually in order to remove artifact of
* previous client's rendering on present signal */
if (self->emit_present) {
const FLOAT clear_color[] = { 0.0f, 0.0f, 0.0f, 1.0f };
ID3D11DeviceContext *context =
gst_d3d11_device_get_device_context_handle (self->device);
context->ClearRenderTargetView (rtv, clear_color);
}
crop_meta = gst_buffer_get_video_crop_meta (buffer);
if (crop_meta) {
input_rect.left = crop_meta->x;
input_rect.right = crop_meta->x + crop_meta->width;
input_rect.top = crop_meta->y;
input_rect.bottom = crop_meta->y + crop_meta->height;
}
if (input_rect.left != prev_rect->left || input_rect.top != prev_rect->top ||
input_rect.right != prev_rect->right ||
input_rect.bottom != prev_rect->bottom) {
g_object_set (self->converter, "src-x", (gint) input_rect.left,
"src-y", (gint) input_rect.top,
"src-width", (gint) (input_rect.right - input_rect.left),
"src-height", (gint) (input_rect.bottom - input_rect.top), nullptr);
self->prev_input_rect = input_rect;
}
if (self->first_present) {
D3D11_VIEWPORT viewport;
viewport.TopLeftX = self->render_rect.left;
viewport.TopLeftY = self->render_rect.top;
viewport.Width = self->render_rect.right - self->render_rect.left;
viewport.Height = self->render_rect.bottom - self->render_rect.top;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
g_object_set (self->converter, "dest-x", (gint) self->render_rect.left,
"dest-y", (gint) self->render_rect.top,
"dest-width",
(gint) (self->render_rect.right - self->render_rect.left),
"dest-height",
(gint) (self->render_rect.bottom - self->render_rect.top),
"video-direction", self->method, nullptr);
gst_d3d11_overlay_compositor_update_viewport (self->compositor, &viewport);
}
if (!gst_d3d11_converter_convert_buffer_unlocked (self->converter,
buffer, backbuffer)) {
GST_ERROR_OBJECT (self, "Couldn't render buffer");
return GST_FLOW_ERROR;
}
gst_d3d11_overlay_compositor_upload (self->compositor, buffer);
gst_d3d11_overlay_compositor_draw_unlocked (self->compositor, &rtv);
if (self->allow_tearing && self->fullscreen)
present_flags |= DXGI_PRESENT_ALLOW_TEARING;
if (klass->present) {
if (self->emit_present) {
g_signal_emit (self, d3d11_window_signals[SIGNAL_PRESENT], 0,
self->device, rtv, nullptr);
}
ret = klass->present (self, present_flags);
}
self->first_present = FALSE;
return ret;
}
GstFlowReturn
gst_d3d11_window_render (GstD3D11Window * window, GstBuffer * buffer)
{
g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), GST_FLOW_ERROR);
GstD3D11DeviceLockGuard lk (window->device);
if (buffer)
gst_buffer_replace (&window->cached_buffer, buffer);
return gst_d3d111_window_present (window, window->cached_buffer,
window->backbuffer);
}
GstFlowReturn
gst_d3d11_window_render_on_shared_handle (GstD3D11Window * window,
GstBuffer * buffer, HANDLE shared_handle, guint texture_misc_flags,
guint64 acquire_key, guint64 release_key)
{
GstD3D11WindowClass *klass;
GstFlowReturn ret = GST_FLOW_OK;
GstD3D11WindowSharedHandleData data = { nullptr, };
g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), GST_FLOW_ERROR);
klass = GST_D3D11_WINDOW_GET_CLASS (window);
g_assert (klass->open_shared_handle != NULL);
g_assert (klass->release_shared_handle != NULL);
data.shared_handle = shared_handle;
data.texture_misc_flags = texture_misc_flags;
data.acquire_key = acquire_key;
data.release_key = release_key;
GstD3D11DeviceLockGuard (window->device);
if (!klass->open_shared_handle (window, &data)) {
GST_ERROR_OBJECT (window, "Couldn't open shared handle");
return GST_FLOW_OK;
}
ret = gst_d3d111_window_present (window, buffer, data.render_target);
klass->release_shared_handle (window, &data);
return ret;
}
gboolean
gst_d3d11_window_unlock (GstD3D11Window * window)
{
GstD3D11WindowClass *klass;
gboolean ret = TRUE;
g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), FALSE);
klass = GST_D3D11_WINDOW_GET_CLASS (window);
if (klass->unlock)
ret = klass->unlock (window);
return ret;
}
gboolean
gst_d3d11_window_unlock_stop (GstD3D11Window * window)
{
GstD3D11WindowClass *klass;
gboolean ret = TRUE;
g_return_val_if_fail (GST_IS_D3D11_WINDOW (window), FALSE);
klass = GST_D3D11_WINDOW_GET_CLASS (window);
if (klass->unlock_stop)
ret = klass->unlock_stop (window);
GstD3D11DeviceLockGuard lk (window->device);
gst_clear_buffer (&window->cached_buffer);
return ret;
}
void
gst_d3d11_window_unprepare (GstD3D11Window * window)
{
GstD3D11WindowClass *klass;
g_return_if_fail (GST_IS_D3D11_WINDOW (window));
klass = GST_D3D11_WINDOW_GET_CLASS (window);
if (klass->unprepare)
klass->unprepare (window);
}
GstD3D11WindowNativeType
gst_d3d11_window_get_native_type_from_handle (guintptr handle)
{
if (!handle)
return GST_D3D11_WINDOW_NATIVE_TYPE_NONE;
#if (!GST_D3D11_WINAPI_ONLY_APP)
if (IsWindow ((HWND) handle))
return GST_D3D11_WINDOW_NATIVE_TYPE_HWND;
#endif
#if GST_D3D11_WINAPI_ONLY_APP
{
/* *INDENT-OFF* */
ComPtr<IInspectable> window = reinterpret_cast<IInspectable*> (handle);
ComPtr<ABI::Windows::UI::Core::ICoreWindow> core_window;
ComPtr<ABI::Windows::UI::Xaml::Controls::ISwapChainPanel> panel;
/* *INDENT-ON* */
if (SUCCEEDED (window.As (&core_window)))
return GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW;
if (SUCCEEDED (window.As (&panel)))
return GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL;
}
#endif
return GST_D3D11_WINDOW_NATIVE_TYPE_NONE;
}
const gchar *
gst_d3d11_window_get_native_type_to_string (GstD3D11WindowNativeType type)
{
switch (type) {
case GST_D3D11_WINDOW_NATIVE_TYPE_NONE:
return "none";
case GST_D3D11_WINDOW_NATIVE_TYPE_HWND:
return "hwnd";
case GST_D3D11_WINDOW_NATIVE_TYPE_CORE_WINDOW:
return "core-window";
case GST_D3D11_WINDOW_NATIVE_TYPE_SWAP_CHAIN_PANEL:
return "swap-chain-panel";
default:
break;
}
return "none";
}
void
gst_d3d11_window_set_orientation (GstD3D11Window * window,
GstVideoOrientationMethod method)
{
if (method == GST_VIDEO_ORIENTATION_AUTO ||
method == GST_VIDEO_ORIENTATION_CUSTOM) {
return;
}
GstD3D11DeviceLockGuard lk (window->device);
if (window->method != method) {
window->method = method;
if (window->swap_chain) {
GstD3D11WindowClass *klass = GST_D3D11_WINDOW_GET_CLASS (window);
klass->on_resize (window, window->surface_width, window->surface_height);
}
}
}
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