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d3d11: Add device provider for d3d11desktopdupsrc

Browse source 
... and add support for multi-GPU/multi-monitor

By using newly added "monitor-handle" property, user can specify a
monitor to be captured via HMONITOR handle.

Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/1673
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1103>
This commit is contained in:
Seungha Yang 2021-10-05 21:49:38 +09:00 committed by GStreamer Marge Bot
parent 2200a3dbcd
commit 4b85704b88
7 changed files with 805 additions and 142 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

357
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11desktopdup.cpp
View file

@ -63,15 +63,6 @@ using namespace Microsoft::WRL;
G_LOCK_DEFINE_STATIC (dupl_list_lock); G_LOCK_DEFINE_STATIC (dupl_list_lock);
static GList *dupl_list = nullptr; static GList *dupl_list = nullptr;
enum
{
PROP_0,
PROP_D3D11_DEVICE,
PROP_OUTPUT_INDEX,
};
#define DEFAULT_MONITOR_INDEX -1
/* Below implemenation were taken from Microsoft sample /* Below implemenation were taken from Microsoft sample
* https://github.com/microsoft/Windows-classic-samples/tree/master/Samples/DXGIDesktopDuplication * https://github.com/microsoft/Windows-classic-samples/tree/master/Samples/DXGIDesktopDuplication
*/ */
@ -260,7 +251,7 @@ public:
} }
GstFlowReturn GstFlowReturn
Init (GstD3D11Device * device, UINT monitor_index) Init (GstD3D11Device * device, HMONITOR monitor)
{ {
GstFlowReturn ret; GstFlowReturn ret;
ID3D11Device *device_handle; ID3D11Device *device_handle;
@ -270,7 +261,7 @@ public:
if (!InitShader (device)) if (!InitShader (device))
return GST_FLOW_ERROR; return GST_FLOW_ERROR;
ret = InitDupl (device, monitor_index); ret = InitDupl (device, monitor);
if (ret != GST_FLOW_OK) if (ret != GST_FLOW_OK)
return ret; return ret;
@ -661,34 +652,22 @@ private:
/* Maybe returning expected error code depending on desktop status */ /* Maybe returning expected error code depending on desktop status */
GstFlowReturn GstFlowReturn
InitDupl (GstD3D11Device * device, UINT monitor_index) InitDupl (GstD3D11Device * device, HMONITOR monitor)
{ {
ComPtr<ID3D11Device> d3d11_device; ComPtr<ID3D11Device> d3d11_device;
ComPtr<IDXGIDevice> dxgi_device; ComPtr<IDXGIAdapter1> adapter;
ComPtr<IDXGIAdapter> adapter;
ComPtr<IDXGIOutput> output; ComPtr<IDXGIOutput> output;
ComPtr<IDXGIOutput1> output1; ComPtr<IDXGIOutput1> output1;
d3d11_device = gst_d3d11_device_get_device_handle (device); d3d11_device = gst_d3d11_device_get_device_handle (device);
HRESULT hr = d3d11_device.As (&dxgi_device); HRESULT hr = gst_d3d11_desktop_dup_find_output_for_monitor (monitor,
&adapter, &output);
if (!gst_d3d11_result (hr, device)) { if (!gst_d3d11_result (hr, device)) {
GST_ERROR ("Couldn't get IDXGIDevice interface, hr 0x%x", (guint) hr); GST_ERROR ("Couldn't get adapter and output for monitor");
return GST_FLOW_ERROR; return GST_FLOW_ERROR;
} }
hr = dxgi_device->GetParent (IID_PPV_ARGS (&adapter));
if (!gst_d3d11_result (hr, device)) {
return gst_d3d11_desktop_dup_return_from_hr (d3d11_device.Get(),
hr, SystemTransitionsExpectedErrors);
}
hr = adapter->EnumOutputs(monitor_index, &output);
if (!gst_d3d11_result (hr, device)) {
return gst_d3d11_desktop_dup_return_from_hr (d3d11_device.Get(),
hr, EnumOutputsExpectedErrors);
}
hr = output.As (&output1); hr = output.As (&output1);
if (!gst_d3d11_result (hr, device)) { if (!gst_d3d11_result (hr, device)) {
GST_ERROR ("Couldn't get IDXGIOutput1 interface, hr 0x%x", (guint) hr); GST_ERROR ("Couldn't get IDXGIOutput1 interface, hr 0x%x", (guint) hr);
@ -1469,6 +1448,15 @@ private:
}; };
/* *INDENT-ON* */ /* *INDENT-ON* */
enum
{
PROP_0,
PROP_D3D11_DEVICE,
PROP_MONITOR_HANDLE,
};
#define DEFAULT_MONITOR_INDEX -1
struct _GstD3D11DesktopDup struct _GstD3D11DesktopDup
{ {
GstObject parent; GstObject parent;
@ -1479,8 +1467,7 @@ struct _GstD3D11DesktopDup
D3D11DesktopDupObject *dupl_obj; D3D11DesktopDupObject *dupl_obj;
gboolean primary; HMONITOR monitor_handle;
gint monitor_index;
RECT desktop_coordinates; RECT desktop_coordinates;
gboolean prepared; gboolean prepared;
@ -1512,10 +1499,9 @@ gst_d3d11_desktop_dup_class_init (GstD3D11DesktopDupClass * klass)
GST_TYPE_D3D11_DEVICE, (GParamFlags) GST_TYPE_D3D11_DEVICE, (GParamFlags)
(G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | (G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS))); G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_OUTPUT_INDEX, g_object_class_install_property (gobject_class, PROP_MONITOR_HANDLE,
g_param_spec_int ("monitor-index", "Monitor Index", g_param_spec_pointer ("monitor-handle", "Monitor Handle",
"Zero-based index for monitor to capture (-1 = primary monitor)", "A HMONITOR handle of monitor to capture", (GParamFlags)
-1, G_MAXINT, DEFAULT_MONITOR_INDEX, (GParamFlags)
(G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | (G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS))); G_PARAM_STATIC_STRINGS)));
} }
@ -1523,122 +1509,99 @@ gst_d3d11_desktop_dup_class_init (GstD3D11DesktopDupClass * klass)
static void static void
gst_d3d11_desktop_dup_init (GstD3D11DesktopDup * self) gst_d3d11_desktop_dup_init (GstD3D11DesktopDup * self)
{ {
self->monitor_index = DEFAULT_MONITOR_INDEX;
g_rec_mutex_init (&self->lock); g_rec_mutex_init (&self->lock);
memset (&self->desktop_coordinates, 0, sizeof (RECT)); memset (&self->desktop_coordinates, 0, sizeof (RECT));
} }
static gboolean
gst_d3d11_desktop_dup_get_monitor_size (GstD3D11DesktopDup * self,
HMONITOR hmonitor, RECT * size)
{
MONITORINFOEX monitor_info;
DEVMODE dev_mode;
monitor_info.cbSize = sizeof (MONITORINFOEX);
if (!GetMonitorInfo (hmonitor, (LPMONITORINFO) & monitor_info)) {
GST_WARNING_OBJECT (self, "Couldn't get monitor info");
return FALSE;
}
dev_mode.dmSize = sizeof (DEVMODE);
dev_mode.dmDriverExtra = sizeof (POINTL);
dev_mode.dmFields = DM_POSITION;
if (!EnumDisplaySettings
(monitor_info.szDevice, ENUM_CURRENT_SETTINGS, &dev_mode)) {
GST_WARNING_OBJECT (self, "Couldn't enumerate display settings");
return FALSE;
}
size->left = dev_mode.dmPosition.x;
size->top = dev_mode.dmPosition.y;
size->right = size->left + dev_mode.dmPelsWidth;
size->bottom = size->top + dev_mode.dmPelsHeight;
return TRUE;
}
static void static void
gst_d3d11_desktop_dup_constructed (GObject * object) gst_d3d11_desktop_dup_constructed (GObject * object)
{ {
GstD3D11DesktopDup *self = GST_D3D11_DESKTOP_DUP (object); GstD3D11DesktopDup *self = GST_D3D11_DESKTOP_DUP (object);
/* *INDENT-OFF* */ /* *INDENT-OFF* */
ComPtr<IDXGIDevice> dxgi_device; ComPtr<IDXGIDevice> dxgi_device;
ComPtr<IDXGIAdapter> adapter; ComPtr<IDXGIAdapter1> adapter;
ComPtr<IDXGIOutput> output; ComPtr<IDXGIOutput> output;
ComPtr<IDXGIOutput1> output1; ComPtr<IDXGIOutput1> output1;
/* *INDENT-ON* */ /* *INDENT-ON* */
ID3D11Device *device_handle;
HRESULT hr; HRESULT hr;
gboolean ret = FALSE; gboolean ret = FALSE;
DXGI_OUTPUT_DESC output_desc; DXGI_OUTPUT_DESC output_desc;
DXGI_ADAPTER_DESC adapter_desc;
gint64 luid, device_luid;
if (!self->device) { if (!self->device) {
GST_WARNING_OBJECT (self, "D3D11 device is unavailable"); GST_WARNING_OBJECT (self, "D3D11 device is unavailable");
return; goto out;
} }
device_handle = gst_d3d11_device_get_device_handle (self->device); if (!self->monitor_handle) {
GST_WARNING_OBJECT (self, "Null monitor handle");
/* Below code is just for getting resolution of IDXGIOutput (i.e., monitor)
* and we will setup IDXGIOutputDuplication interface later.
*/
hr = device_handle->QueryInterface (IID_PPV_ARGS (&dxgi_device));
if (!gst_d3d11_result (hr, self->device))
goto out; goto out;
hr = dxgi_device->GetParent (IID_PPV_ARGS (&adapter));
if (!gst_d3d11_result (hr, self->device))
goto out;
if (self->monitor_index < 0) {
guint index = 0;
/* Enumerate all outputs to find primary monitor */
do {
hr = adapter->EnumOutputs (index, output.ReleaseAndGetAddressOf ());
if (!gst_d3d11_result (hr, self->device))
goto out;
output->GetDesc (&output_desc);
if (output_desc.DesktopCoordinates.left == 0 &&
output_desc.DesktopCoordinates.top == 0) {
GST_DEBUG_OBJECT (self, "Found primary output, index %d", index);
self->monitor_index = index;
self->primary = TRUE;
break;
} }
index++;
} while (gst_d3d11_result (hr, self->device)); hr = gst_d3d11_desktop_dup_find_output_for_monitor (self->monitor_handle,
} else { &adapter, &output);
hr = adapter->EnumOutputs (self->monitor_index, &output);
if (!gst_d3d11_result (hr, self->device)) { if (!gst_d3d11_result (hr, self->device)) {
GST_WARNING_OBJECT (self, "No available output"); GST_WARNING_OBJECT (self,
"Failed to find associated adapter for monitor %p",
self->monitor_handle);
goto out; goto out;
} }
output->GetDesc (&output_desc);
if (output_desc.DesktopCoordinates.left == 0 &&
output_desc.DesktopCoordinates.top == 0) {
GST_DEBUG_OBJECT (self, "We are primary output");
self->primary = TRUE;
}
}
hr = output.As (&output1); hr = output.As (&output1);
if (!gst_d3d11_result (hr, self->device)) { if (!gst_d3d11_result (hr, self->device)) {
GST_WARNING_OBJECT (self, "IDXGIOutput1 interface is unavailble"); GST_WARNING_OBJECT (self, "IDXGIOutput1 interface is unavailble");
goto out; goto out;
} }
hr = adapter->GetDesc (&adapter_desc);
if (!gst_d3d11_result (hr, self->device)) {
GST_WARNING_OBJECT (self, "Failed to get adapter desc");
goto out;
}
luid = gst_d3d11_luid_to_int64 (&adapter_desc.AdapterLuid);
g_object_get (self->device, "adapter-luid", &device_luid, nullptr);
if (luid != device_luid) {
GST_WARNING_OBJECT (self, "Incompatible d3d11 device");
goto out;
}
hr = output->GetDesc (&output_desc);
if (!gst_d3d11_result (hr, self->device)) {
GST_WARNING_OBJECT (self, "Failed to get output desc");
goto out;
}
/* DesktopCoordinates will not report actual texture size in case that /* DesktopCoordinates will not report actual texture size in case that
* application is running without dpi-awareness. To get actual monitor size, * application is running without dpi-awareness. To get actual monitor size,
* we need to use Win32 API... */ * we need to use Win32 API... */
if (!gst_d3d11_desktop_dup_get_monitor_size (self, MONITORINFOEXW monitor_info;
output_desc.Monitor, &self->desktop_coordinates)) { DEVMODEW dev_mode;
monitor_info.cbSize = sizeof (MONITORINFOEXW);
if (!GetMonitorInfoW (output_desc.Monitor, (LPMONITORINFO) & monitor_info)) {
GST_WARNING_OBJECT (self, "Couldn't get monitor info");
goto out; goto out;
} }
dev_mode.dmSize = sizeof (DEVMODEW);
dev_mode.dmDriverExtra = sizeof (POINTL);
dev_mode.dmFields = DM_POSITION;
if (!EnumDisplaySettingsW
(monitor_info.szDevice, ENUM_CURRENT_SETTINGS, &dev_mode)) {
GST_WARNING_OBJECT (self, "Couldn't enumerate display settings");
goto out;
}
self->desktop_coordinates.left = dev_mode.dmPosition.x;
self->desktop_coordinates.top = dev_mode.dmPosition.y;
self->desktop_coordinates.right =
dev_mode.dmPosition.x + dev_mode.dmPelsWidth;
self->desktop_coordinates.bottom =
dev_mode.dmPosition.y + dev_mode.dmPelsHeight;
self->cached_width = self->cached_width =
self->desktop_coordinates.right - self->desktop_coordinates.left; self->desktop_coordinates.right - self->desktop_coordinates.left;
self->cached_height = self->cached_height =
@ -1655,6 +1618,8 @@ gst_d3d11_desktop_dup_constructed (GObject * object)
out: out:
if (!ret) if (!ret)
gst_clear_object (&self->device); gst_clear_object (&self->device);
G_OBJECT_CLASS (parent_class)->constructed (object);
} }
static void static void
@ -1667,8 +1632,8 @@ gst_d3d11_desktop_dup_set_property (GObject * object, guint prop_id,
case PROP_D3D11_DEVICE: case PROP_D3D11_DEVICE:
self->device = (GstD3D11Device *) g_value_dup_object (value); self->device = (GstD3D11Device *) g_value_dup_object (value);
break; break;
case PROP_OUTPUT_INDEX: case PROP_MONITOR_HANDLE:
self->monitor_index = g_value_get_int (value); self->monitor_handle = (HMONITOR) g_value_get_pointer (value);
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -1710,15 +1675,15 @@ gst_d3d11_desktop_dup_weak_ref_notify (gpointer data, GstD3D11DesktopDup * dupl)
} }
GstD3D11DesktopDup * GstD3D11DesktopDup *
gst_d3d11_desktop_dup_new (GstD3D11Device * device, gint monitor_index) gst_d3d11_desktop_dup_new (GstD3D11Device * device, HMONITOR monitor_handle)
{ {
GstD3D11DesktopDup *self = nullptr; GstD3D11DesktopDup *self = nullptr;
GList *iter; GList *iter;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), nullptr); g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), nullptr);
/* Check if we have dup object corresponding to monitor_index, and if there is /* Check if we have dup object corresponding to monitor_handle,
* already configured capture object, reuse it. * and if there is already configured capture object, reuse it.
* This is because of the limitation of desktop duplication API * This is because of the limitation of desktop duplication API
* (i.e., in a process, only one duplication object can exist). * (i.e., in a process, only one duplication object can exist).
* See also * See also
@ -1728,10 +1693,9 @@ gst_d3d11_desktop_dup_new (GstD3D11Device * device, gint monitor_index)
for (iter = dupl_list; iter; iter = g_list_next (iter)) { for (iter = dupl_list; iter; iter = g_list_next (iter)) {
GstD3D11DesktopDup *dupl = (GstD3D11DesktopDup *) iter->data; GstD3D11DesktopDup *dupl = (GstD3D11DesktopDup *) iter->data;
if (dupl->monitor_index == monitor_index || if (dupl->monitor_handle == monitor_handle) {
(monitor_index < 0 && dupl->primary)) { GST_DEBUG ("Found configured desktop dup object for monitor handle %p",
GST_DEBUG ("Found configured desktop dup object for output index %d", monitor_handle);
monitor_index);
self = (GstD3D11DesktopDup *) gst_object_ref (dupl); self = (GstD3D11DesktopDup *) gst_object_ref (dupl);
break; break;
} }
@ -1743,7 +1707,7 @@ gst_d3d11_desktop_dup_new (GstD3D11Device * device, gint monitor_index)
} }
self = (GstD3D11DesktopDup *) g_object_new (GST_TYPE_D3D11_DESKTOP_DUP, self = (GstD3D11DesktopDup *) g_object_new (GST_TYPE_D3D11_DESKTOP_DUP,
"d3d11device", device, "monitor-index", monitor_index, nullptr); "d3d11device", device, "monitor-handle", monitor_handle, nullptr);
if (!self->device) { if (!self->device) {
GST_WARNING_OBJECT (self, "Couldn't configure desktop dup object"); GST_WARNING_OBJECT (self, "Couldn't configure desktop dup object");
@ -1778,7 +1742,7 @@ gst_d3d11_desktop_dup_prepare (GstD3D11DesktopDup * desktop)
} }
desktop->dupl_obj = new D3D11DesktopDupObject (); desktop->dupl_obj = new D3D11DesktopDupObject ();
ret = desktop->dupl_obj->Init (desktop->device, desktop->monitor_index); ret = desktop->dupl_obj->Init (desktop->device, desktop->monitor_handle);
if (ret != GST_FLOW_OK) { if (ret != GST_FLOW_OK) {
GST_WARNING_OBJECT (desktop, GST_WARNING_OBJECT (desktop,
"Couldn't prepare capturing, %sexpected failure", "Couldn't prepare capturing, %sexpected failure",
@ -1885,3 +1849,154 @@ gst_d3d11_desktop_dup_capture (GstD3D11DesktopDup * desktop,
return GST_FLOW_OK; return GST_FLOW_OK;
} }
HRESULT
gst_d3d11_desktop_dup_find_output_for_monitor (HMONITOR monitor,
IDXGIAdapter1 ** adapter, IDXGIOutput ** output)
{
ComPtr < IDXGIFactory1 > factory;
HRESULT hr = S_OK;
g_return_val_if_fail (monitor != nullptr, E_INVALIDARG);
hr = CreateDXGIFactory1 (IID_PPV_ARGS (&factory));
if (FAILED (hr))
return hr;
for (UINT adapter_idx = 0;; adapter_idx++) {
ComPtr < IDXGIAdapter1 > adapter_tmp;
hr = factory->EnumAdapters1 (adapter_idx, &adapter_tmp);
if (FAILED (hr))
break;
for (UINT output_idx = 0;; output_idx++) {
ComPtr < IDXGIOutput > output_tmp;
DXGI_OUTPUT_DESC desc;
hr = adapter_tmp->EnumOutputs (output_idx, &output_tmp);
if (FAILED (hr))
break;
hr = output_tmp->GetDesc (&desc);
if (FAILED (hr))
continue;
if (desc.Monitor == monitor) {
if (adapter)
*adapter = adapter_tmp.Detach ();
if (output)
*output = output_tmp.Detach ();
return S_OK;
}
}
}
return E_FAIL;
}
HRESULT
gst_d3d11_desktop_dup_find_primary_monitor (HMONITOR * monitor,
IDXGIAdapter1 ** adapter, IDXGIOutput ** output)
{
ComPtr < IDXGIFactory1 > factory;
HRESULT hr = S_OK;
hr = CreateDXGIFactory1 (IID_PPV_ARGS (&factory));
if (FAILED (hr))
return hr;
for (UINT adapter_idx = 0;; adapter_idx++) {
ComPtr < IDXGIAdapter1 > adapter_tmp;
hr = factory->EnumAdapters1 (adapter_idx, &adapter_tmp);
if (FAILED (hr))
break;
for (UINT output_idx = 0;; output_idx++) {
ComPtr < IDXGIOutput > output_tmp;
DXGI_OUTPUT_DESC desc;
MONITORINFOEXW minfo;
hr = adapter_tmp->EnumOutputs (output_idx, &output_tmp);
if (FAILED (hr))
break;
hr = output_tmp->GetDesc (&desc);
if (FAILED (hr))
continue;
minfo.cbSize = sizeof (MONITORINFOEXW);
if (!GetMonitorInfoW (desc.Monitor, &minfo))
continue;
if ((minfo.dwFlags & MONITORINFOF_PRIMARY) != 0) {
if (monitor)
*monitor = desc.Monitor;
if (adapter)
*adapter = adapter_tmp.Detach ();
if (output)
*output = output_tmp.Detach ();
return S_OK;
}
}
}
return E_FAIL;
}
HRESULT
gst_d3d11_desktop_dup_find_nth_monitor (guint index, HMONITOR * monitor,
IDXGIAdapter1 ** adapter, IDXGIOutput ** output)
{
ComPtr < IDXGIFactory1 > factory;
HRESULT hr = S_OK;
guint num_found = 0;
hr = CreateDXGIFactory1 (IID_PPV_ARGS (&factory));
if (FAILED (hr))
return hr;
for (UINT adapter_idx = 0;; adapter_idx++) {
ComPtr < IDXGIAdapter1 > adapter_tmp;
hr = factory->EnumAdapters1 (adapter_idx, &adapter_tmp);
if (FAILED (hr))
break;
for (UINT output_idx = 0;; output_idx++) {
ComPtr < IDXGIOutput > output_tmp;
DXGI_OUTPUT_DESC desc;
MONITORINFOEXW minfo;
hr = adapter_tmp->EnumOutputs (output_idx, &output_tmp);
if (FAILED (hr))
break;
hr = output_tmp->GetDesc (&desc);
if (FAILED (hr))
continue;
minfo.cbSize = sizeof (MONITORINFOEXW);
if (!GetMonitorInfoW (desc.Monitor, &minfo))
continue;
if (num_found == index) {
if (monitor)
*monitor = desc.Monitor;
if (adapter)
*adapter = adapter_tmp.Detach ();
if (output)
*output = output_tmp.Detach ();
return S_OK;
}
num_found++;
}
}
return E_FAIL;
}

15
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11desktopdup.h
View file

@ -36,7 +36,7 @@ G_DECLARE_FINAL_TYPE (GstD3D11DesktopDup, gst_d3d11_desktop_dup,
GST, D3D11_DESKTOP_DUP, GstObject); GST, D3D11_DESKTOP_DUP, GstObject);
GstD3D11DesktopDup * gst_d3d11_desktop_dup_new (GstD3D11Device * device, GstD3D11DesktopDup * gst_d3d11_desktop_dup_new (GstD3D11Device * device,
gint output_index); HMONITOR monitor_handle);
GstFlowReturn gst_d3d11_desktop_dup_prepare (GstD3D11DesktopDup * desktop); GstFlowReturn gst_d3d11_desktop_dup_prepare (GstD3D11DesktopDup * desktop);
@ -49,6 +49,19 @@ GstFlowReturn gst_d3d11_desktop_dup_capture (GstD3D11DesktopDup * desktop,
ID3D11RenderTargetView *rtv, ID3D11RenderTargetView *rtv,
gboolean draw_mouse); gboolean draw_mouse);
HRESULT gst_d3d11_desktop_dup_find_output_for_monitor (HMONITOR monitor,
IDXGIAdapter1 ** adapter,
IDXGIOutput ** output);
HRESULT gst_d3d11_desktop_dup_find_primary_monitor (HMONITOR * monitor,
IDXGIAdapter1 ** adapter,
IDXGIOutput ** output);
HRESULT gst_d3d11_desktop_dup_find_nth_monitor (guint index,
HMONITOR * monitor,
IDXGIAdapter1 ** adapter,
IDXGIOutput ** output);
G_END_DECLS G_END_DECLS
#endif /* __GST_D3D11_DESKTOP_DUP_H__ */ #endif /* __GST_D3D11_DESKTOP_DUP_H__ */

447
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11desktopdupdevice.cpp Normal file
View file

@ -0,0 +1,447 @@
/* GStreamer
* Copyright (C) 2021 Seungha Yang <seungha@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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstd3d11desktopdupdevice.h"
#include <gst/d3d11/gstd3d11.h>
#include <gst/video/video.h>
#include <wrl.h>
#include <string.h>
#include <string>
#include <locale>
#include <codecvt>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_desktop_dup_device_debug);
#define GST_CAT_DEFAULT gst_d3d11_desktop_dup_device_debug
static GstStaticCaps template_caps =
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, "BGRA") ";"
GST_VIDEO_CAPS_MAKE ("BGRA"));
enum
{
PROP_0,
PROP_MONITOR_HANDLE,
};
struct _GstD3D11DesktopDupDevice
{
GstDevice parent;
HMONITOR monitor_handle;
};
static void gst_d3d11_desktop_dup_device_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_d3d11_desktop_dup_device_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static GstElement *gst_d3d11_desktop_dup_device_create_element (GstDevice *
device, const gchar * name);
G_DEFINE_TYPE (GstD3D11DesktopDupDevice,
gst_d3d11_desktop_dup_device, GST_TYPE_DEVICE);
static void
gst_d3d11_desktop_dup_device_class_init (GstD3D11DesktopDupDeviceClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
object_class->get_property = gst_d3d11_desktop_dup_device_get_property;
object_class->set_property = gst_d3d11_desktop_dup_device_set_property;
g_object_class_install_property (object_class, PROP_MONITOR_HANDLE,
g_param_spec_uint64 ("monitor-handle", "Monitor Handle",
"A HMONITOR handle", 0, G_MAXUINT64, 0,
(GParamFlags) (G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY)));
dev_class->create_element = gst_d3d11_desktop_dup_device_create_element;
}
static void
gst_d3d11_desktop_dup_device_init (GstD3D11DesktopDupDevice * self)
{
}
static void
gst_d3d11_desktop_dup_device_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11DesktopDupDevice *self = GST_D3D11_DESKTOP_DUP_DEVICE (object);
switch (prop_id) {
case PROP_MONITOR_HANDLE:
g_value_set_uint64 (value, (guint64) self->monitor_handle);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_desktop_dup_device_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstD3D11DesktopDupDevice *self = GST_D3D11_DESKTOP_DUP_DEVICE (object);
switch (prop_id) {
case PROP_MONITOR_HANDLE:
self->monitor_handle = (HMONITOR) g_value_get_uint64 (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElement *
gst_d3d11_desktop_dup_device_create_element (GstDevice * device,
const gchar * name)
{
GstD3D11DesktopDupDevice *self = GST_D3D11_DESKTOP_DUP_DEVICE (device);
GstElement *elem;
elem = gst_element_factory_make ("d3d11desktopdupsrc", name);
g_object_set (elem, "monitor-handle", self->monitor_handle, NULL);
return elem;
}
struct _GstD3D11DesktopDupDeviceProvider
{
GstDeviceProvider parent;
};
G_DEFINE_TYPE (GstD3D11DesktopDupDeviceProvider,
gst_d3d11_desktop_dup_device_provider, GST_TYPE_DEVICE_PROVIDER);
static GList *gst_d3d11_desktop_dup_device_provider_probe (GstDeviceProvider *
provider);
static void
gst_d3d11_desktop_dup_device_provider_class_init
(GstD3D11DesktopDupDeviceProviderClass * klass)
{
GstDeviceProviderClass *provider_class = GST_DEVICE_PROVIDER_CLASS (klass);
provider_class->probe =
GST_DEBUG_FUNCPTR (gst_d3d11_desktop_dup_device_provider_probe);
gst_device_provider_class_set_static_metadata (provider_class,
"Direct3D11 Desktop Capture Device Provider",
"Source/Monitor", "List Direct3D11 desktop capture source devices",
"Seungha Yang <seungha@centricular.com>");
}
static void
gst_d3d11_desktop_dup_device_provider_init (GstD3D11DesktopDupDeviceProvider *
self)
{
}
static gboolean
get_monitor_name (const MONITORINFOEXW * info,
DISPLAYCONFIG_TARGET_DEVICE_NAME * target)
{
UINT32 num_path = 0;
UINT32 num_mode = 0;
LONG query_ret;
memset (target, 0, sizeof (DISPLAYCONFIG_TARGET_DEVICE_NAME));
query_ret = GetDisplayConfigBufferSizes (QDC_ONLY_ACTIVE_PATHS,
&num_path, &num_mode);
if (query_ret != ERROR_SUCCESS || num_path == 0 || num_mode == 0)
return FALSE;
DISPLAYCONFIG_PATH_INFO *path_infos = (DISPLAYCONFIG_PATH_INFO *)
g_alloca (num_path * sizeof (DISPLAYCONFIG_PATH_INFO));
DISPLAYCONFIG_MODE_INFO *mode_infos = (DISPLAYCONFIG_MODE_INFO *)
g_alloca (num_mode * sizeof (DISPLAYCONFIG_MODE_INFO));
query_ret = QueryDisplayConfig (QDC_ONLY_ACTIVE_PATHS, &num_path,
path_infos, &num_mode, mode_infos, nullptr);
if (query_ret != ERROR_SUCCESS)
return FALSE;
for (UINT32 i = 0; i < num_path; i++) {
DISPLAYCONFIG_PATH_INFO *p = &path_infos[i];
DISPLAYCONFIG_SOURCE_DEVICE_NAME source;
memset (&source, 0, sizeof (DISPLAYCONFIG_SOURCE_DEVICE_NAME));
source.header.type = DISPLAYCONFIG_DEVICE_INFO_GET_SOURCE_NAME;
source.header.size = sizeof (DISPLAYCONFIG_SOURCE_DEVICE_NAME);
source.header.adapterId = p->sourceInfo.adapterId;
source.header.id = p->sourceInfo.id;
query_ret = DisplayConfigGetDeviceInfo (&source.header);
if (query_ret != ERROR_SUCCESS)
continue;
if (wcscmp (info->szDevice, source.viewGdiDeviceName) != 0)
continue;
DISPLAYCONFIG_TARGET_DEVICE_NAME tmp;
memset (&tmp, 0, sizeof (DISPLAYCONFIG_TARGET_DEVICE_NAME));
tmp.header.type = DISPLAYCONFIG_DEVICE_INFO_GET_TARGET_NAME;
tmp.header.size = sizeof (DISPLAYCONFIG_TARGET_DEVICE_NAME);
tmp.header.adapterId = p->sourceInfo.adapterId;
tmp.header.id = p->targetInfo.id;
query_ret = DisplayConfigGetDeviceInfo (&tmp.header);
if (query_ret != ERROR_SUCCESS)
continue;
memcpy (target, &tmp, sizeof (DISPLAYCONFIG_TARGET_DEVICE_NAME));
return TRUE;
}
return FALSE;
}
/* XXX: please bump MinGW toolchain version,
* DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY defined in wingdi.h */
typedef enum
{
OUTPUT_TECH_OTHER = -1,
OUTPUT_TECH_HD15 = 0,
OUTPUT_TECH_SVIDEO = 1,
OUTPUT_TECH_COMPOSITE_VIDEO = 2,
OUTPUT_TECH_COMPONENT_VIDEO = 3,
OUTPUT_TECH_DVI = 4,
OUTPUT_TECH_HDMI = 5,
OUTPUT_TECH_LVDS = 6,
OUTPUT_TECH_D_JPN = 8,
OUTPUT_TECH_SDI = 9,
OUTPUT_TECH_DISPLAYPORT_EXTERNAL = 10,
OUTPUT_TECH_DISPLAYPORT_EMBEDDED = 11,
OUTPUT_TECH_UDI_EXTERNAL = 12,
OUTPUT_TECH_UDI_EMBEDDED = 13,
OUTPUT_TECH_SDTVDONGLE = 14,
OUTPUT_TECH_MIRACAST = 15,
OUTPUT_TECH_INDIRECT_WIRED = 16,
OUTPUT_TECH_INDIRECT_VIRTUAL = 17,
OUTPUT_TECH_INTERNAL = 0x80000000,
OUTPUT_TECH_FORCE_UINT32 = 0xFFFFFFFF
} GST_OUTPUT_TECHNOLOGY;
static const gchar *
output_tech_to_string (GST_OUTPUT_TECHNOLOGY tech)
{
switch (tech) {
case OUTPUT_TECH_HD15:
return "hd15";
case OUTPUT_TECH_SVIDEO:
return "svideo";
case OUTPUT_TECH_COMPOSITE_VIDEO:
return "composite-video";
case OUTPUT_TECH_DVI:
return "dvi";
case OUTPUT_TECH_HDMI:
return "hdmi";
case OUTPUT_TECH_LVDS:
return "lvds";
case OUTPUT_TECH_D_JPN:
return "d-jpn";
case OUTPUT_TECH_SDI:
return "sdi";
case OUTPUT_TECH_DISPLAYPORT_EXTERNAL:
return "displayport-external";
case OUTPUT_TECH_DISPLAYPORT_EMBEDDED:
return "displayport-internal";
case OUTPUT_TECH_UDI_EXTERNAL:
return "udi-external";
case OUTPUT_TECH_UDI_EMBEDDED:
return "udi-embedded";
case OUTPUT_TECH_SDTVDONGLE:
return "sdtv";
case OUTPUT_TECH_MIRACAST:
return "miracast";
case OUTPUT_TECH_INDIRECT_WIRED:
return "indirect-wired";
case OUTPUT_TECH_INDIRECT_VIRTUAL:
return "indirect-virtual";
case OUTPUT_TECH_INTERNAL:
return "internal";
default:
break;
}
return "unknown";
}
static GstDevice *
create_device (const DXGI_ADAPTER_DESC * adapter_desc,
const DXGI_OUTPUT_DESC * output_desc,
const MONITORINFOEXW * minfo, const DEVMODEW * dev_mode,
const DISPLAYCONFIG_TARGET_DEVICE_NAME * target)
{
GstCaps *caps;
gint width, height, left, top, right, bottom;
GstStructure *props;
std::wstring_convert < std::codecvt_utf8 < wchar_t >, wchar_t >converter;
std::string device_name;
std::string display_name;
std::string device_path;
std::string device_description;
const gchar *output_type;
gboolean primary = FALSE;
GstDevice *device;
left = (gint) dev_mode->dmPosition.x;
top = (gint) dev_mode->dmPosition.y;
width = dev_mode->dmPelsWidth;
height = dev_mode->dmPelsHeight;
right = left + width;
bottom = top + height;
caps = gst_static_caps_get (&template_caps);
caps = gst_caps_make_writable (caps);
gst_caps_set_simple (caps,
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, nullptr);
device_name = converter.to_bytes (minfo->szDevice);
display_name = converter.to_bytes (target->monitorFriendlyDeviceName);
device_path = converter.to_bytes (target->monitorDevicePath);
device_description = converter.to_bytes (adapter_desc->Description);
output_type =
output_tech_to_string ((GST_OUTPUT_TECHNOLOGY) target->outputTechnology);
if ((minfo->dwFlags & MONITORINFOF_PRIMARY) != 0)
primary = TRUE;
props = gst_structure_new ("d3d11desktopdupdevice-proplist",
"device.api", G_TYPE_STRING, "d3d11",
"device.name", G_TYPE_STRING, GST_STR_NULL (device_name.c_str ()),
"device.path", G_TYPE_STRING, GST_STR_NULL (device_path.c_str ()),
"device.primary", G_TYPE_BOOLEAN, primary,
"device.type", G_TYPE_STRING, output_type,
"device.hmonitor", G_TYPE_UINT64, (guint64) output_desc->Monitor,
"device.adapter.luid", G_TYPE_INT64,
gst_d3d11_luid_to_int64 (&adapter_desc->AdapterLuid),
"device.adapter.description", G_TYPE_STRING,
GST_STR_NULL (device_description.c_str ()),
"desktop.coordinates.left", G_TYPE_INT,
(gint) output_desc->DesktopCoordinates.left,
"desktop.coordinates.top", G_TYPE_INT,
(gint) output_desc->DesktopCoordinates.top,
"desktop.coordinates.right", G_TYPE_INT,
(gint) output_desc->DesktopCoordinates.right,
"desktop.coordinates.bottom", G_TYPE_INT,
(gint) output_desc->DesktopCoordinates.bottom,
"display.coordinates.left", G_TYPE_INT, left,
"display.coordinates.top", G_TYPE_INT, top,
"display.coordinates.right", G_TYPE_INT, right,
"display.coordinates.bottom", G_TYPE_INT, bottom, nullptr);
device = (GstDevice *) g_object_new (GST_TYPE_D3D11_DESKTOP_DUP_DEVICE,
"display-name", display_name.c_str (), "caps", caps, "device-class",
"Source/Monitor", "properties", props, "monitor-handle",
(guint64) output_desc->Monitor, nullptr);
gst_caps_unref (caps);
return device;
}
static GList *
gst_d3d11_desktop_dup_device_provider_probe (GstDeviceProvider * provider)
{
GList *devices = nullptr;
ComPtr < IDXGIFactory1 > factory;
HRESULT hr = S_OK;
hr = CreateDXGIFactory1 (IID_PPV_ARGS (&factory));
if (FAILED (hr))
return nullptr;
for (UINT adapter_idx = 0;; adapter_idx++) {
ComPtr < IDXGIAdapter1 > adapter;
DXGI_ADAPTER_DESC adapter_desc;
hr = factory->EnumAdapters1 (adapter_idx, &adapter);
if (FAILED (hr))
break;
hr = adapter->GetDesc (&adapter_desc);
if (FAILED (hr))
continue;
for (UINT output_idx = 0;; output_idx++) {
ComPtr < IDXGIOutput > output;
ComPtr < IDXGIOutput1 > output1;
DXGI_OUTPUT_DESC desc;
MONITORINFOEXW minfo;
DEVMODEW dev_mode;
DISPLAYCONFIG_TARGET_DEVICE_NAME target;
GstDevice *dev;
hr = adapter->EnumOutputs (output_idx, &output);
if (FAILED (hr))
break;
hr = output.As (&output1);
if (FAILED (hr))
continue;
hr = output->GetDesc (&desc);
if (FAILED (hr))
continue;
minfo.cbSize = sizeof (MONITORINFOEXW);
if (!GetMonitorInfoW (desc.Monitor, &minfo))
continue;
dev_mode.dmSize = sizeof (DEVMODEW);
dev_mode.dmDriverExtra = sizeof (POINTL);
dev_mode.dmFields = DM_POSITION;
if (!EnumDisplaySettingsW (minfo.szDevice,
ENUM_CURRENT_SETTINGS, &dev_mode)) {
continue;
}
/* Human readable monitor name is not always availabe, if it's empty
* fill it with generic one */
if (!get_monitor_name (&minfo, &target) ||
wcslen (target.monitorFriendlyDeviceName) == 0) {
wcscpy (target.monitorFriendlyDeviceName, L"Generic PnP Monitor");
}
dev = create_device (&adapter_desc, &desc, &minfo, &dev_mode, &target);
devices = g_list_append (devices, dev);
}
}
return devices;
}

36
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11desktopdupdevice.h Normal file
View file

@ -0,0 +1,36 @@
/* GStreamer
* Copyright (C) 2021 Seungha Yang <seungha@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.
*/
#pragma once
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_D3D11_DESKTOP_DUP_DEVICE (gst_d3d11_desktop_dup_device_get_type())
G_DECLARE_FINAL_TYPE (GstD3D11DesktopDupDevice, gst_d3d11_desktop_dup_device,
GST, D3D11_DESKTOP_DUP_DEVICE, GstDevice);
#define GST_TYPE_D3D11_DESKTOP_DUP_DEVICE_PROVIDER (gst_d3d11_desktop_dup_device_provider_get_type())
G_DECLARE_FINAL_TYPE (GstD3D11DesktopDupDeviceProvider,
gst_d3d11_desktop_dup_device_provider,
GST, D3D11_DESKTOP_DUP_DEVICE_PROVIDER, GstDeviceProvider);
G_END_DECLS

78
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11desktopdupsrc.cpp
View file

@ -39,9 +39,13 @@
#include "gstd3d11desktopdupsrc.h" #include "gstd3d11desktopdupsrc.h"
#include "gstd3d11desktopdup.h" #include "gstd3d11desktopdup.h"
#include "gstd3d11pluginutils.h" #include "gstd3d11pluginutils.h"
#include <wrl.h>
#include <string.h> #include <string.h>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_desktop_dup_debug); GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_desktop_dup_debug);
#define GST_CAT_DEFAULT gst_d3d11_desktop_dup_debug #define GST_CAT_DEFAULT gst_d3d11_desktop_dup_debug
@ -49,6 +53,7 @@ enum
{ {
PROP_0, PROP_0,
PROP_MONITOR_INDEX, PROP_MONITOR_INDEX,
PROP_MONITOR_HANDLE,
PROP_SHOW_CURSOR, PROP_SHOW_CURSOR,
PROP_LAST, PROP_LAST,
@ -77,8 +82,9 @@ struct _GstD3D11DesktopDupSrc
GstBufferPool *pool; GstBufferPool *pool;
gint adapter; gint64 adapter_luid;
gint monitor_index; gint monitor_index;
HMONITOR monitor_handle;
gboolean show_cursor; gboolean show_cursor;
gboolean flushing; gboolean flushing;
@ -138,6 +144,13 @@ gst_d3d11_desktop_dup_src_class_init (GstD3D11DesktopDupSrcClass * klass)
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY | (GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
G_PARAM_STATIC_STRINGS)); G_PARAM_STATIC_STRINGS));
properties[PROP_MONITOR_HANDLE] =
g_param_spec_uint64 ("monitor-handle", "Monitor Handle",
"A HMONITOR handle of monitor to capture",
0, G_MAXUINT64, 0,
(GParamFlags) (G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
G_PARAM_STATIC_STRINGS));
properties[PROP_SHOW_CURSOR] = properties[PROP_SHOW_CURSOR] =
g_param_spec_boolean ("show-cursor", g_param_spec_boolean ("show-cursor",
"Show Mouse Cursor", "Whether to show mouse cursor", "Show Mouse Cursor", "Whether to show mouse cursor",
@ -183,8 +196,6 @@ gst_d3d11_desktop_dup_src_init (GstD3D11DesktopDupSrc * self)
gst_base_src_set_live (GST_BASE_SRC (self), TRUE); gst_base_src_set_live (GST_BASE_SRC (self), TRUE);
gst_base_src_set_format (GST_BASE_SRC (self), GST_FORMAT_TIME); gst_base_src_set_format (GST_BASE_SRC (self), GST_FORMAT_TIME);
/* FIXME: investigate non-zero adapter use case */
self->adapter = 0;
self->monitor_index = DEFAULT_MONITOR_INDEX; self->monitor_index = DEFAULT_MONITOR_INDEX;
self->show_cursor = DEFAULT_SHOW_CURSOR; self->show_cursor = DEFAULT_SHOW_CURSOR;
self->min_latency = GST_CLOCK_TIME_NONE; self->min_latency = GST_CLOCK_TIME_NONE;
@ -212,6 +223,9 @@ gst_d3d11_desktop_dup_src_set_property (GObject * object, guint prop_id,
case PROP_MONITOR_INDEX: case PROP_MONITOR_INDEX:
self->monitor_index = g_value_get_int (value); self->monitor_index = g_value_get_int (value);
break; break;
case PROP_MONITOR_HANDLE:
self->monitor_handle = (HMONITOR) g_value_get_uint64 (value);
break;
case PROP_SHOW_CURSOR: case PROP_SHOW_CURSOR:
self->show_cursor = g_value_get_boolean (value); self->show_cursor = g_value_get_boolean (value);
break; break;
@ -231,6 +245,9 @@ gst_d3d11_desktop_dup_src_get_property (GObject * object, guint prop_id,
case PROP_MONITOR_INDEX: case PROP_MONITOR_INDEX:
g_value_set_int (value, self->monitor_index); g_value_set_int (value, self->monitor_index);
break; break;
case PROP_MONITOR_HANDLE:
g_value_set_uint64 (value, (guint64) self->monitor_handle);
break;
case PROP_SHOW_CURSOR: case PROP_SHOW_CURSOR:
g_value_set_boolean (value, self->show_cursor); g_value_set_boolean (value, self->show_cursor);
break; break;
@ -246,7 +263,8 @@ gst_d3d11_desktop_dup_src_set_context (GstElement * element,
{ {
GstD3D11DesktopDupSrc *self = GST_D3D11_DESKTOP_DUP_SRC (element); GstD3D11DesktopDupSrc *self = GST_D3D11_DESKTOP_DUP_SRC (element);
gst_d3d11_handle_set_context (element, context, self->adapter, &self->device); gst_d3d11_handle_set_context_for_adapter_luid (element,
context, self->adapter_luid, &self->device);
GST_ELEMENT_CLASS (parent_class)->set_context (element, context); GST_ELEMENT_CLASS (parent_class)->set_context (element, context);
} }
@ -487,20 +505,42 @@ gst_d3d11_desktop_dup_src_start (GstBaseSrc * bsrc)
{ {
GstD3D11DesktopDupSrc *self = GST_D3D11_DESKTOP_DUP_SRC (bsrc); GstD3D11DesktopDupSrc *self = GST_D3D11_DESKTOP_DUP_SRC (bsrc);
GstFlowReturn ret; GstFlowReturn ret;
HMONITOR monitor = self->monitor_handle;
ComPtr < IDXGIAdapter1 > adapter;
DXGI_ADAPTER_DESC desc;
HRESULT hr;
/* FIXME: this element will use only the first adapter, but if (monitor) {
* this might cause issue in case of multi-gpu environment and hr = gst_d3d11_desktop_dup_find_output_for_monitor (monitor,
* some monitor is connected to non-default adapter */ &adapter, nullptr);
if (!gst_d3d11_ensure_element_data (GST_ELEMENT_CAST (self), self->adapter, } else if (self->monitor_index < 0) {
&self->device)) { hr = gst_d3d11_desktop_dup_find_primary_monitor (&monitor,
&adapter, nullptr);
} else {
hr = gst_d3d11_desktop_dup_find_nth_monitor (self->monitor_index,
&monitor, &adapter, nullptr);
}
if (FAILED (hr))
goto error;
hr = adapter->GetDesc (&desc);
if (FAILED (hr))
goto error;
self->adapter_luid = gst_d3d11_luid_to_int64 (&desc.AdapterLuid);
gst_clear_object (&self->device);
if (!gst_d3d11_ensure_element_data_for_adapter_luid (GST_ELEMENT_CAST (self),
self->adapter_luid, &self->device)) {
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND,
("D3D11 device with adapter index %d is unavailble", self->adapter), ("D3D11 device for LUID %" G_GINT64_FORMAT " is unavailble",
(NULL)); self->adapter_luid), (nullptr));
return FALSE; return FALSE;
} }
self->dupl = gst_d3d11_desktop_dup_new (self->device, self->monitor_index); self->dupl = gst_d3d11_desktop_dup_new (self->device, monitor);
if (!self->dupl) if (!self->dupl)
goto error; goto error;
@ -524,16 +564,18 @@ gst_d3d11_desktop_dup_src_start (GstBaseSrc * bsrc)
error: error:
{ {
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND,
("Failed to prepare duplication for output index %d", ("Failed to prepare duplication with given configuration, "
self->monitor_index), (NULL)); "monitor-index: %d, monitor-handle: %p",
} self->monitor_index, self->monitor_handle), (nullptr));
return FALSE; return FALSE;
}
unsupported: unsupported:
{ {
GST_ELEMENT_ERROR (self, RESOURCE, OPEN_READ, GST_ELEMENT_ERROR (self, RESOURCE, OPEN_READ,
("Failed to prepare duplication for output index %d", ("Failed to prepare duplication with given configuration, "
self->monitor_index), "monitor-index: %d, monitor-handle: %p",
self->monitor_index, self->monitor_handle),
("Try run the application on the integrated GPU")); ("Try run the application on the integrated GPU"));
return FALSE; return FALSE;
} }

4
subprojects/gst-plugins-bad/sys/d3d11/meson.build
View file

@ -84,7 +84,9 @@ if d3d11_winapi_desktop
# Desktop Duplication API is unavailable for UWP # Desktop Duplication API is unavailable for UWP
# and MinGW is not supported due to some missing headers # and MinGW is not supported due to some missing headers
extra_args += ['-DHAVE_DXGI_DESKTOP_DUP'] extra_args += ['-DHAVE_DXGI_DESKTOP_DUP']
d3d11_sources += ['gstd3d11desktopdup.cpp', 'gstd3d11desktopdupsrc.cpp'] d3d11_sources += ['gstd3d11desktopdup.cpp',
'gstd3d11desktopdupdevice.cpp',
'gstd3d11desktopdupsrc.cpp']
message('Enable D3D11 Desktop Duplication API') message('Enable D3D11 Desktop Duplication API')
endif endif
# multimedia clock is desktop only API # multimedia clock is desktop only API

8
subprojects/gst-plugins-bad/sys/d3d11/plugin.cpp
View file

@ -40,6 +40,7 @@
#endif #endif
#ifdef HAVE_DXGI_DESKTOP_DUP #ifdef HAVE_DXGI_DESKTOP_DUP
#include "gstd3d11desktopdupsrc.h" #include "gstd3d11desktopdupsrc.h"
#include "gstd3d11desktopdupdevice.h"
#endif #endif
#ifdef HAVE_D3D11_VIDEO_PROC #ifdef HAVE_D3D11_VIDEO_PROC
#include "gstd3d11deinterlace.h" #include "gstd3d11deinterlace.h"
@ -68,6 +69,7 @@ GST_DEBUG_CATEGORY (gst_d3d11_av1_dec_debug);
#ifdef HAVE_DXGI_DESKTOP_DUP #ifdef HAVE_DXGI_DESKTOP_DUP
GST_DEBUG_CATEGORY (gst_d3d11_desktop_dup_debug); GST_DEBUG_CATEGORY (gst_d3d11_desktop_dup_debug);
GST_DEBUG_CATEGORY (gst_d3d11_desktop_dup_device_debug);
#endif #endif
#ifdef HAVE_D3D11_VIDEO_PROC #ifdef HAVE_D3D11_VIDEO_PROC
@ -213,8 +215,14 @@ plugin_init (GstPlugin * plugin)
if (gst_d3d11_is_windows_8_or_greater ()) { if (gst_d3d11_is_windows_8_or_greater ()) {
GST_DEBUG_CATEGORY_INIT (gst_d3d11_desktop_dup_debug, GST_DEBUG_CATEGORY_INIT (gst_d3d11_desktop_dup_debug,
"d3d11desktopdupsrc", 0, "d3d11desktopdupsrc"); "d3d11desktopdupsrc", 0, "d3d11desktopdupsrc");
GST_DEBUG_CATEGORY_INIT (gst_d3d11_desktop_dup_device_debug,
"d3d11desktopdupdevice", 0, "d3d11desktopdupdevice");
gst_element_register (plugin, gst_element_register (plugin,
"d3d11desktopdupsrc", GST_RANK_NONE, GST_TYPE_D3D11_DESKTOP_DUP_SRC); "d3d11desktopdupsrc", GST_RANK_NONE, GST_TYPE_D3D11_DESKTOP_DUP_SRC);
gst_device_provider_register (plugin,
"d3d11desktopdupdeviceprovider", GST_RANK_PRIMARY,
GST_TYPE_D3D11_DESKTOP_DUP_DEVICE_PROVIDER);
} }
#endif #endif