gstreamer/gst-libs/gst/d3d11/gstd3d11device.cpp
Seungha Yang 554855f87f d3d11: Disable packed and subsampled YUV formats
Direct3D11 sampler doesn't support them very well, and conversion
outputs usually result in poor visual quality with our shader code.
Should disable support for such formats for now

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2344>
2021-07-29 22:33:30 +09:00

1303 lines
40 KiB
C++

/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) 2020 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 "gstd3d11device.h"
#include "gstd3d11utils.h"
#include "gstd3d11format.h"
#include "gstd3d11_private.h"
#include "gstd3d11memory.h"
#include <gmodule.h>
#include <wrl.h>
#include <windows.h>
#include <versionhelpers.h>
/**
* SECTION:gstd3d11device
* @short_description: Direct3D11 device abstraction
* @title: GstD3D11Device
*
* #GstD3D11Device wraps ID3D11Device and ID3D11DeviceContext for GPU resources
* to be able to be shared among various elements. Caller can get native
* Direct3D11 handles via getter method.
* Basically Direct3D11 API doesn't require dedicated thread like that of
* OpenGL context, and ID3D11Device APIs are supposed to be thread-safe.
* But concurrent call for ID3D11DeviceContext and DXGI API are not allowed.
* To protect such object, callers need to make use of gst_d3d11_device_lock()
* and gst_d3d11_device_unlock()
*/
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
#if HAVE_D3D11SDKLAYERS_H
#include <d3d11sdklayers.h>
static GModule *d3d11_debug_module = NULL;
/* mingw header does not define D3D11_RLDO_IGNORE_INTERNAL
* D3D11_RLDO_SUMMARY = 0x1,
D3D11_RLDO_DETAIL = 0x2,
* D3D11_RLDO_IGNORE_INTERNAL = 0x4
*/
#define GST_D3D11_RLDO_FLAGS (0x2 | 0x4)
#endif
#if HAVE_DXGIDEBUG_H
#include <dxgidebug.h>
typedef HRESULT (WINAPI * DXGIGetDebugInterface_t) (REFIID riid,
void **ppDebug);
static GModule *dxgi_debug_module = NULL;
static DXGIGetDebugInterface_t GstDXGIGetDebugInterface = NULL;
#endif
#if (HAVE_D3D11SDKLAYERS_H || HAVE_DXGIDEBUG_H)
GST_DEBUG_CATEGORY_STATIC (gst_d3d11_debug_layer_debug);
#endif
GST_DEBUG_CATEGORY_STATIC (gst_d3d11_device_debug);
#define GST_CAT_DEFAULT gst_d3d11_device_debug
enum
{
PROP_0,
PROP_ADAPTER,
PROP_DEVICE_ID,
PROP_VENDOR_ID,
PROP_HARDWARE,
PROP_DESCRIPTION,
PROP_ALLOW_TEARING,
PROP_CREATE_FLAGS,
PROP_ADAPTER_LUID,
};
#define DEFAULT_ADAPTER 0
#define DEFAULT_CREATE_FLAGS 0
#define GST_D3D11_N_FORMATS 25
struct _GstD3D11DevicePrivate
{
guint adapter;
guint device_id;
guint vendor_id;
gboolean hardware;
gchar *description;
gboolean allow_tearing;
guint create_flags;
gint64 adapter_luid;
ID3D11Device *device;
ID3D11DeviceContext *device_context;
ID3D11VideoDevice *video_device;
ID3D11VideoContext *video_context;
IDXGIFactory1 *factory;
GstD3D11Format format_table[GST_D3D11_N_FORMATS];
GRecMutex extern_lock;
GMutex resource_lock;
#if HAVE_D3D11SDKLAYERS_H
ID3D11Debug *d3d11_debug;
ID3D11InfoQueue *d3d11_info_queue;
#endif
#if HAVE_DXGIDEBUG_H
IDXGIDebug *dxgi_debug;
IDXGIInfoQueue *dxgi_info_queue;
#endif
};
static void
do_debug_init (void)
{
GST_DEBUG_CATEGORY_INIT (gst_d3d11_device_debug,
"d3d11device", 0, "d3d11 device object");
#if defined(HAVE_D3D11SDKLAYERS_H) || defined(HAVE_DXGIDEBUG_H)
GST_DEBUG_CATEGORY_INIT (gst_d3d11_debug_layer_debug,
"d3d11debuglayer", 0, "native d3d11 and dxgi debug");
#endif
}
#define gst_d3d11_device_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstD3D11Device, gst_d3d11_device, GST_TYPE_OBJECT,
G_ADD_PRIVATE (GstD3D11Device); do_debug_init ());
static void gst_d3d11_device_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_d3d11_device_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_d3d11_device_constructed (GObject * object);
static void gst_d3d11_device_dispose (GObject * object);
static void gst_d3d11_device_finalize (GObject * object);
#if HAVE_D3D11SDKLAYERS_H
static gboolean
gst_d3d11_device_enable_d3d11_debug (void)
{
static gsize _init = 0;
/* If all below libraries are unavailable, d3d11 device would fail with
* D3D11_CREATE_DEVICE_DEBUG flag */
if (g_once_init_enter (&_init)) {
d3d11_debug_module =
g_module_open ("d3d11sdklayers.dll", G_MODULE_BIND_LAZY);
if (!d3d11_debug_module)
d3d11_debug_module =
g_module_open ("d3d11_1sdklayers.dll", G_MODULE_BIND_LAZY);
g_once_init_leave (&_init, 1);
}
if (d3d11_debug_module)
return TRUE;
return FALSE;
}
static inline GstDebugLevel
d3d11_message_severity_to_gst (D3D11_MESSAGE_SEVERITY level)
{
switch (level) {
case D3D11_MESSAGE_SEVERITY_CORRUPTION:
case D3D11_MESSAGE_SEVERITY_ERROR:
return GST_LEVEL_ERROR;
case D3D11_MESSAGE_SEVERITY_WARNING:
return GST_LEVEL_WARNING;
case D3D11_MESSAGE_SEVERITY_INFO:
return GST_LEVEL_INFO;
case D3D11_MESSAGE_SEVERITY_MESSAGE:
return GST_LEVEL_DEBUG;
default:
break;
}
return GST_LEVEL_LOG;
}
void
gst_d3d11_device_d3d11_debug (GstD3D11Device * device,
const gchar * file, const gchar * function, gint line)
{
GstD3D11DevicePrivate *priv = device->priv;
D3D11_MESSAGE *msg;
SIZE_T msg_len = 0;
HRESULT hr;
UINT64 num_msg, i;
ID3D11InfoQueue *info_queue = priv->d3d11_info_queue;
if (!info_queue)
return;
num_msg = info_queue->GetNumStoredMessages ();
for (i = 0; i < num_msg; i++) {
GstDebugLevel level;
hr = info_queue->GetMessage (i, NULL, &msg_len);
if (FAILED (hr) || msg_len == 0) {
return;
}
msg = (D3D11_MESSAGE *) g_alloca (msg_len);
hr = info_queue->GetMessage (i, msg, &msg_len);
level = d3d11_message_severity_to_gst (msg->Severity);
if (msg->Category == D3D11_MESSAGE_CATEGORY_STATE_CREATION &&
level > GST_LEVEL_ERROR) {
/* Do not warn for live object, since there would be live object
* when ReportLiveDeviceObjects was called */
level = GST_LEVEL_INFO;
}
gst_debug_log (gst_d3d11_debug_layer_debug, level, file, function, line,
G_OBJECT (device), "D3D11InfoQueue: %s", msg->pDescription);
}
info_queue->ClearStoredMessages ();
return;
}
#else
void
gst_d3d11_device_d3d11_debug (GstD3D11Device * device,
const gchar * file, const gchar * function, gint line)
{
/* do nothing */
return;
}
#endif
#if HAVE_DXGIDEBUG_H
static gboolean
gst_d3d11_device_enable_dxgi_debug (void)
{
static gsize _init = 0;
gboolean ret = FALSE;
/* If all below libraries are unavailable, d3d11 device would fail with
* D3D11_CREATE_DEVICE_DEBUG flag */
if (g_once_init_enter (&_init)) {
#if (!GST_D3D11_WINAPI_ONLY_APP)
dxgi_debug_module = g_module_open ("dxgidebug.dll", G_MODULE_BIND_LAZY);
if (dxgi_debug_module)
g_module_symbol (dxgi_debug_module,
"DXGIGetDebugInterface", (gpointer *) & GstDXGIGetDebugInterface);
if (GstDXGIGetDebugInterface)
ret = TRUE;
#elif (GST_D3D11_DXGI_HEADER_VERSION >= 3)
ret = TRUE;
#endif
g_once_init_leave (&_init, 1);
}
return ret;
}
static HRESULT
gst_d3d11_device_dxgi_get_device_interface (REFIID riid, void **debug)
{
#if (!GST_D3D11_WINAPI_ONLY_APP)
if (GstDXGIGetDebugInterface) {
return GstDXGIGetDebugInterface (riid, debug);
}
#elif (GST_D3D11_DXGI_HEADER_VERSION >= 3)
return DXGIGetDebugInterface1 (0, riid, debug);
#endif
return E_NOINTERFACE;
}
static inline GstDebugLevel
dxgi_info_queue_message_severity_to_gst (DXGI_INFO_QUEUE_MESSAGE_SEVERITY level)
{
switch (level) {
case DXGI_INFO_QUEUE_MESSAGE_SEVERITY_CORRUPTION:
case DXGI_INFO_QUEUE_MESSAGE_SEVERITY_ERROR:
return GST_LEVEL_ERROR;
case DXGI_INFO_QUEUE_MESSAGE_SEVERITY_WARNING:
return GST_LEVEL_WARNING;
case DXGI_INFO_QUEUE_MESSAGE_SEVERITY_INFO:
return GST_LEVEL_INFO;
case DXGI_INFO_QUEUE_MESSAGE_SEVERITY_MESSAGE:
return GST_LEVEL_DEBUG;
default:
break;
}
return GST_LEVEL_LOG;
}
void
gst_d3d11_device_dxgi_debug (GstD3D11Device * device,
const gchar * file, const gchar * function, gint line)
{
GstD3D11DevicePrivate *priv = device->priv;
DXGI_INFO_QUEUE_MESSAGE *msg;
SIZE_T msg_len = 0;
HRESULT hr;
UINT64 num_msg, i;
IDXGIInfoQueue *info_queue = priv->dxgi_info_queue;
if (!info_queue)
return;
num_msg = info_queue->GetNumStoredMessages (DXGI_DEBUG_ALL);
for (i = 0; i < num_msg; i++) {
GstDebugLevel level;
hr = info_queue->GetMessage (DXGI_DEBUG_ALL, i, NULL, &msg_len);
if (FAILED (hr) || msg_len == 0) {
return;
}
msg = (DXGI_INFO_QUEUE_MESSAGE *) g_alloca (msg_len);
hr = info_queue->GetMessage (DXGI_DEBUG_ALL, i, msg, &msg_len);
level = dxgi_info_queue_message_severity_to_gst (msg->Severity);
gst_debug_log (gst_d3d11_debug_layer_debug, level, file, function, line,
G_OBJECT (device), "DXGIInfoQueue: %s", msg->pDescription);
}
info_queue->ClearStoredMessages (DXGI_DEBUG_ALL);
return;
}
#else
void
gst_d3d11_device_dxgi_debug (GstD3D11Device * device,
const gchar * file, const gchar * function, gint line)
{
/* do nothing */
return;
}
#endif
static void
gst_d3d11_device_class_init (GstD3D11DeviceClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GParamFlags rw_construct_only_flags =
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
GParamFlags readable_flags =
(GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
gobject_class->set_property = gst_d3d11_device_set_property;
gobject_class->get_property = gst_d3d11_device_get_property;
gobject_class->constructed = gst_d3d11_device_constructed;
gobject_class->dispose = gst_d3d11_device_dispose;
gobject_class->finalize = gst_d3d11_device_finalize;
g_object_class_install_property (gobject_class, PROP_ADAPTER,
g_param_spec_uint ("adapter", "Adapter",
"DXGI Adapter index for creating device",
0, G_MAXUINT32, DEFAULT_ADAPTER, rw_construct_only_flags));
g_object_class_install_property (gobject_class, PROP_DEVICE_ID,
g_param_spec_uint ("device-id", "Device Id",
"DXGI Device ID", 0, G_MAXUINT32, 0, readable_flags));
g_object_class_install_property (gobject_class, PROP_VENDOR_ID,
g_param_spec_uint ("vendor-id", "Vendor Id",
"DXGI Vendor ID", 0, G_MAXUINT32, 0, readable_flags));
g_object_class_install_property (gobject_class, PROP_HARDWARE,
g_param_spec_boolean ("hardware", "Hardware",
"Whether hardware device or not", TRUE, readable_flags));
g_object_class_install_property (gobject_class, PROP_DESCRIPTION,
g_param_spec_string ("description", "Description",
"Human readable device description", NULL, readable_flags));
g_object_class_install_property (gobject_class, PROP_ALLOW_TEARING,
g_param_spec_boolean ("allow-tearing", "Allow tearing",
"Whether dxgi device supports allow-tearing feature or not", FALSE,
readable_flags));
g_object_class_install_property (gobject_class, PROP_CREATE_FLAGS,
g_param_spec_uint ("create-flags", "Create flags",
"D3D11_CREATE_DEVICE_FLAG flags used for D3D11CreateDevice",
0, G_MAXUINT32, DEFAULT_CREATE_FLAGS, rw_construct_only_flags));
g_object_class_install_property (gobject_class, PROP_ADAPTER_LUID,
g_param_spec_int64 ("adapter-luid", "Adapter LUID",
"DXGI Adapter LUID (Locally Unique Identifier) of created device",
0, G_MAXINT64, 0, readable_flags));
gst_d3d11_memory_init_once ();
}
static void
gst_d3d11_device_init (GstD3D11Device * self)
{
GstD3D11DevicePrivate *priv;
priv = (GstD3D11DevicePrivate *)
gst_d3d11_device_get_instance_private (self);
priv->adapter = DEFAULT_ADAPTER;
g_rec_mutex_init (&priv->extern_lock);
g_mutex_init (&priv->resource_lock);
self->priv = priv;
}
static gboolean
is_windows_8_or_greater (void)
{
static gsize version_once = 0;
static gboolean ret = FALSE;
if (g_once_init_enter (&version_once)) {
#if (!GST_D3D11_WINAPI_ONLY_APP)
if (IsWindows8OrGreater ())
ret = TRUE;
#else
ret = TRUE;
#endif
g_once_init_leave (&version_once, 1);
}
return ret;
}
inline D3D11_FORMAT_SUPPORT
operator | (D3D11_FORMAT_SUPPORT lhs, D3D11_FORMAT_SUPPORT rhs)
{
return static_cast < D3D11_FORMAT_SUPPORT > (static_cast < UINT >
(lhs) | static_cast < UINT > (rhs));
}
inline D3D11_FORMAT_SUPPORT
operator |= (D3D11_FORMAT_SUPPORT lhs, D3D11_FORMAT_SUPPORT rhs)
{
return lhs | rhs;
}
static gboolean
can_support_format (GstD3D11Device * self, DXGI_FORMAT format,
D3D11_FORMAT_SUPPORT extra_flags)
{
GstD3D11DevicePrivate *priv = self->priv;
ID3D11Device *handle = priv->device;
HRESULT hr;
UINT supported;
D3D11_FORMAT_SUPPORT flags = D3D11_FORMAT_SUPPORT_TEXTURE2D;
flags |= extra_flags;
if (!is_windows_8_or_greater ()) {
GST_INFO_OBJECT (self, "DXGI format %d needs Windows 8 or greater",
(guint) format);
return FALSE;
}
hr = handle->CheckFormatSupport (format, &supported);
if (FAILED (hr)) {
GST_DEBUG_OBJECT (self, "DXGI format %d is not supported by device",
(guint) format);
return FALSE;
}
if ((supported & flags) != flags) {
GST_DEBUG_OBJECT (self,
"DXGI format %d doesn't support flag 0x%x (supported flag 0x%x)",
(guint) format, (guint) supported, (guint) flags);
return FALSE;
}
GST_INFO_OBJECT (self, "Device supports DXGI format %d", (guint) format);
return TRUE;
}
static void
gst_d3d11_device_setup_format_table (GstD3D11Device * self)
{
GstD3D11DevicePrivate *priv = self->priv;
guint n_formats = 0;
/* RGB formats */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_BGRA;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_B8G8R8A8_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_B8G8R8A8_UNORM;
n_formats++;
/* Identical to BGRA, but alpha will be ignored */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_BGRx;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_B8G8R8A8_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_B8G8R8A8_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_RGBA;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_R8G8B8A8_UNORM;
n_formats++;
/* Identical to RGBA, but alpha will be ignored */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_RGBx;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_R8G8B8A8_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_RGB10A2_LE;
priv->format_table[n_formats].resource_format[0] =
DXGI_FORMAT_R10G10B10A2_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_R10G10B10A2_UNORM;
n_formats++;
/* YUV packed */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_VUYA;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
if (can_support_format (self, DXGI_FORMAT_AYUV,
D3D11_FORMAT_SUPPORT_RENDER_TARGET |
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_AYUV;
else
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
/* FIXME: d3d11 sampler doesn't support packed-and-subsampled formats
* very well (and it's really poorly documented).
* As per observation, d3d11 samplers seems to be dropping the second
* Y componet from "Y0-U0-Y1-V0" pair which results in bad visual quality
* than 4:2:0 subsampled formats. We should revisit this later */
/* TODO: The best would be using d3d11 compute shader to handle this kinds of
* samples but comute shader is not implemented yet by us.
*
* Another simple approach is using d3d11 video processor,
* but capability will be very device dependent because it depends on
* GPU vendor's driver implementation, moreover, software fallback does
* not support d3d11 video processor. So it's not reliable in this case */
#if 0
/* NOTE: packted yuv 4:2:2 YUY2, UYVY, and VYUY formats are not natively
* supported render target view formats
* (i.e., cannot be output format of shader pipeline) */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_YUY2;
if (can_support_format (self, DXGI_FORMAT_YUY2,
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE)) {
priv->format_table[n_formats].resource_format[0] =
DXGI_FORMAT_R8G8B8A8_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_YUY2;
} else {
/* If DXGI_FORMAT_YUY2 format is not supported, use this format,
* it's analogous to YUY2 */
priv->format_table[n_formats].resource_format[0] =
DXGI_FORMAT_G8R8_G8B8_UNORM;
}
n_formats++;
/* No native DXGI format available for UYVY */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_UYVY;
priv->format_table[n_formats].resource_format[0] =
DXGI_FORMAT_R8G8_B8G8_UNORM;
n_formats++;
/* No native DXGI format available for VYUY */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_VYUY;
priv->format_table[n_formats].resource_format[0] =
DXGI_FORMAT_R8G8_B8G8_UNORM;
n_formats++;
/* Y210 and Y410 formats cannot support rtv */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_Y210;
priv->format_table[n_formats].resource_format[0] =
DXGI_FORMAT_R16G16B16A16_UNORM;
if (can_support_format (self, DXGI_FORMAT_Y210,
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_Y210;
else
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
#endif
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_Y410;
priv->format_table[n_formats].resource_format[0] =
DXGI_FORMAT_R10G10B10A2_UNORM;
if (can_support_format (self, DXGI_FORMAT_Y410,
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_Y410;
else
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
/* YUV semi-planar */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_NV12;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R8G8_UNORM;
if (can_support_format (self, DXGI_FORMAT_NV12,
D3D11_FORMAT_SUPPORT_RENDER_TARGET |
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_NV12;
else
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
/* no native format for NV21 */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_NV21;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R8G8_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_P010_10LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16G16_UNORM;
if (can_support_format (self, DXGI_FORMAT_P010,
D3D11_FORMAT_SUPPORT_RENDER_TARGET |
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_P010;
else
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
/* P012 is identical to P016 from runtime point of view */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_P012_LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16G16_UNORM;
if (can_support_format (self, DXGI_FORMAT_P016,
D3D11_FORMAT_SUPPORT_RENDER_TARGET |
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_P016;
else
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_P016_LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16G16_UNORM;
if (can_support_format (self, DXGI_FORMAT_P016,
D3D11_FORMAT_SUPPORT_RENDER_TARGET |
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_P016;
else
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_UNKNOWN;
n_formats++;
/* YUV planar */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_I420;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R8_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_YV12;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R8_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_I420_10LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R16_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_I420_12LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R16_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_Y42B;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R8_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_I422_10LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R16_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_I422_12LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R16_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_Y444;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R8_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_Y444_10LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R16_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_Y444_12LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R16_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_Y444_16LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[1] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].resource_format[2] = DXGI_FORMAT_R16_UNORM;
n_formats++;
/* GRAY */
/* NOTE: To support conversion by using video processor,
* mark DXGI_FORMAT_{R8,R16}_UNORM formats as known dxgi_format.
* Otherwise, d3d11 elements will not try to use video processor for
* those formats */
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_GRAY8;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R8_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_R8_UNORM;
n_formats++;
priv->format_table[n_formats].format = GST_VIDEO_FORMAT_GRAY16_LE;
priv->format_table[n_formats].resource_format[0] = DXGI_FORMAT_R16_UNORM;
priv->format_table[n_formats].dxgi_format = DXGI_FORMAT_R16_UNORM;
n_formats++;
g_assert (n_formats == GST_D3D11_N_FORMATS);
}
static void
gst_d3d11_device_constructed (GObject * object)
{
GstD3D11Device *self = GST_D3D11_DEVICE (object);
GstD3D11DevicePrivate *priv = self->priv;
ComPtr < IDXGIAdapter1 > adapter;
ComPtr < IDXGIFactory1 > factory;
HRESULT hr;
UINT d3d11_flags = priv->create_flags;
static const D3D_FEATURE_LEVEL feature_levels[] = {
D3D_FEATURE_LEVEL_11_1,
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0,
D3D_FEATURE_LEVEL_9_3,
D3D_FEATURE_LEVEL_9_2,
D3D_FEATURE_LEVEL_9_1
};
D3D_FEATURE_LEVEL selected_level;
GST_DEBUG_OBJECT (self,
"Built with DXGI header version %d", GST_D3D11_DXGI_HEADER_VERSION);
#if HAVE_DXGIDEBUG_H
if (gst_debug_category_get_threshold (gst_d3d11_debug_layer_debug) >
GST_LEVEL_NONE) {
if (gst_d3d11_device_enable_dxgi_debug ()) {
IDXGIDebug *debug = NULL;
IDXGIInfoQueue *info_queue = NULL;
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"dxgi debug library was loaded");
hr = gst_d3d11_device_dxgi_get_device_interface (IID_PPV_ARGS (&debug));
if (SUCCEEDED (hr)) {
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"IDXGIDebug interface available");
priv->dxgi_debug = debug;
hr = gst_d3d11_device_dxgi_get_device_interface (IID_PPV_ARGS
(&info_queue));
if (SUCCEEDED (hr)) {
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"IDXGIInfoQueue interface available");
priv->dxgi_info_queue = info_queue;
}
}
} else {
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"couldn't load dxgi debug library");
}
}
#endif
hr = CreateDXGIFactory1 (IID_PPV_ARGS (&factory));
if (!gst_d3d11_result (hr, NULL)) {
GST_ERROR_OBJECT (self, "cannot create dxgi factory, hr: 0x%x", (guint) hr);
goto out;
}
#if (GST_D3D11_DXGI_HEADER_VERSION >= 5)
{
ComPtr < IDXGIFactory5 > factory5;
BOOL allow_tearing;
hr = factory.As (&factory5);
if (SUCCEEDED (hr)) {
hr = factory5->CheckFeatureSupport (DXGI_FEATURE_PRESENT_ALLOW_TEARING,
(void *) &allow_tearing, sizeof (allow_tearing));
priv->allow_tearing = SUCCEEDED (hr) && allow_tearing;
}
}
#endif
if (factory->EnumAdapters1 (priv->adapter, &adapter) == DXGI_ERROR_NOT_FOUND) {
GST_DEBUG_OBJECT (self, "No adapter for index %d", priv->adapter);
goto out;
} else {
DXGI_ADAPTER_DESC1 desc;
hr = adapter->GetDesc1 (&desc);
if (SUCCEEDED (hr)) {
gchar *description = NULL;
gboolean is_hardware = FALSE;
gint64 adapter_luid;
/* DXGI_ADAPTER_FLAG_SOFTWARE is missing in dxgi.h of mingw */
if ((desc.Flags & 0x2) != 0x2) {
is_hardware = TRUE;
}
adapter_luid = (((gint64) desc.AdapterLuid.HighPart) << 32) |
((gint64) desc.AdapterLuid.LowPart);
description = g_utf16_to_utf8 ((gunichar2 *) desc.Description,
-1, NULL, NULL, NULL);
GST_DEBUG_OBJECT (self,
"adapter index %d: D3D11 device vendor-id: 0x%04x, device-id: 0x%04x, "
"Flags: 0x%x, adapter-luid: %" G_GINT64_FORMAT ", %s",
priv->adapter, desc.VendorId, desc.DeviceId, desc.Flags, adapter_luid,
description);
priv->vendor_id = desc.VendorId;
priv->device_id = desc.DeviceId;
priv->hardware = is_hardware;
priv->description = description;
priv->adapter_luid = adapter_luid;
}
}
#if HAVE_D3D11SDKLAYERS_H
if (gst_debug_category_get_threshold (gst_d3d11_debug_layer_debug) >
GST_LEVEL_NONE) {
/* DirectX SDK should be installed on system for this */
if (gst_d3d11_device_enable_d3d11_debug ()) {
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"d3d11 debug library was loaded");
d3d11_flags |= D3D11_CREATE_DEVICE_DEBUG;
} else {
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"couldn't load d3d11 debug library");
}
}
#endif
hr = D3D11CreateDevice (adapter.Get (), D3D_DRIVER_TYPE_UNKNOWN,
NULL, d3d11_flags, feature_levels, G_N_ELEMENTS (feature_levels),
D3D11_SDK_VERSION, &priv->device, &selected_level, &priv->device_context);
if (FAILED (hr)) {
/* Retry if the system could not recognize D3D_FEATURE_LEVEL_11_1 */
hr = D3D11CreateDevice (adapter.Get (), D3D_DRIVER_TYPE_UNKNOWN,
NULL, d3d11_flags, &feature_levels[1],
G_N_ELEMENTS (feature_levels) - 1, D3D11_SDK_VERSION, &priv->device,
&selected_level, &priv->device_context);
}
/* if D3D11_CREATE_DEVICE_DEBUG was enabled but couldn't create device,
* try it without the flag again */
if (FAILED (hr) && (d3d11_flags & D3D11_CREATE_DEVICE_DEBUG) ==
D3D11_CREATE_DEVICE_DEBUG) {
GST_WARNING_OBJECT (self, "Couldn't create d3d11 device with debug flag");
d3d11_flags &= ~D3D11_CREATE_DEVICE_DEBUG;
hr = D3D11CreateDevice (adapter.Get (), D3D_DRIVER_TYPE_UNKNOWN,
NULL, d3d11_flags, feature_levels, G_N_ELEMENTS (feature_levels),
D3D11_SDK_VERSION, &priv->device, &selected_level,
&priv->device_context);
if (FAILED (hr)) {
/* Retry if the system could not recognize D3D_FEATURE_LEVEL_11_1 */
hr = D3D11CreateDevice (adapter.Get (), D3D_DRIVER_TYPE_UNKNOWN,
NULL, d3d11_flags, &feature_levels[1],
G_N_ELEMENTS (feature_levels) - 1, D3D11_SDK_VERSION, &priv->device,
&selected_level, &priv->device_context);
}
}
if (SUCCEEDED (hr)) {
GST_DEBUG_OBJECT (self, "Selected feature level 0x%x", selected_level);
} else {
GST_INFO_OBJECT (self,
"cannot create d3d11 device for adapter index %d with flags 0x%x, "
"hr: 0x%x", priv->adapter, d3d11_flags, (guint) hr);
goto out;
}
priv->factory = factory.Detach ();
#if HAVE_D3D11SDKLAYERS_H
if ((d3d11_flags & D3D11_CREATE_DEVICE_DEBUG) == D3D11_CREATE_DEVICE_DEBUG) {
ID3D11Debug *debug;
ID3D11InfoQueue *info_queue;
hr = priv->device->QueryInterface (IID_PPV_ARGS (&debug));
if (SUCCEEDED (hr)) {
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"D3D11Debug interface available");
priv->d3d11_debug = debug;
hr = priv->device->QueryInterface (IID_PPV_ARGS (&info_queue));
if (SUCCEEDED (hr)) {
GST_CAT_INFO_OBJECT (gst_d3d11_debug_layer_debug, self,
"ID3D11InfoQueue interface available");
priv->d3d11_info_queue = info_queue;
}
}
}
#endif
/* Update final create flags here, since D3D11_CREATE_DEVICE_DEBUG
* might be added by us */
priv->create_flags = d3d11_flags;
gst_d3d11_device_setup_format_table (self);
out:
G_OBJECT_CLASS (parent_class)->constructed (object);
return;
}
static void
gst_d3d11_device_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstD3D11Device *self = GST_D3D11_DEVICE (object);
GstD3D11DevicePrivate *priv = self->priv;
switch (prop_id) {
case PROP_ADAPTER:
priv->adapter = g_value_get_uint (value);
break;
case PROP_CREATE_FLAGS:
priv->create_flags = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_device_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11Device *self = GST_D3D11_DEVICE (object);
GstD3D11DevicePrivate *priv = self->priv;
switch (prop_id) {
case PROP_ADAPTER:
g_value_set_uint (value, priv->adapter);
break;
case PROP_DEVICE_ID:
g_value_set_uint (value, priv->device_id);
break;
case PROP_VENDOR_ID:
g_value_set_uint (value, priv->vendor_id);
break;
case PROP_HARDWARE:
g_value_set_boolean (value, priv->hardware);
break;
case PROP_DESCRIPTION:
g_value_set_string (value, priv->description);
break;
case PROP_ALLOW_TEARING:
g_value_set_boolean (value, priv->allow_tearing);
break;
case PROP_CREATE_FLAGS:
g_value_set_uint (value, priv->create_flags);
break;
case PROP_ADAPTER_LUID:
g_value_set_int64 (value, priv->adapter_luid);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_device_dispose (GObject * object)
{
GstD3D11Device *self = GST_D3D11_DEVICE (object);
GstD3D11DevicePrivate *priv = self->priv;
GST_LOG_OBJECT (self, "dispose");
GST_D3D11_CLEAR_COM (priv->video_device);
GST_D3D11_CLEAR_COM (priv->video_context);
GST_D3D11_CLEAR_COM (priv->device);
GST_D3D11_CLEAR_COM (priv->device_context);
GST_D3D11_CLEAR_COM (priv->factory);
#if HAVE_D3D11SDKLAYERS_H
if (priv->d3d11_debug) {
priv->d3d11_debug->ReportLiveDeviceObjects ((D3D11_RLDO_FLAGS)
GST_D3D11_RLDO_FLAGS);
}
GST_D3D11_CLEAR_COM (priv->d3d11_debug);
if (priv->d3d11_info_queue)
gst_d3d11_device_d3d11_debug (self, __FILE__, GST_FUNCTION, __LINE__);
GST_D3D11_CLEAR_COM (priv->d3d11_info_queue);
#endif
#if HAVE_DXGIDEBUG_H
if (priv->dxgi_debug) {
priv->dxgi_debug->ReportLiveObjects (DXGI_DEBUG_ALL,
(DXGI_DEBUG_RLO_FLAGS) GST_D3D11_RLDO_FLAGS);
}
GST_D3D11_CLEAR_COM (priv->dxgi_debug);
if (priv->dxgi_info_queue)
gst_d3d11_device_dxgi_debug (self, __FILE__, GST_FUNCTION, __LINE__);
GST_D3D11_CLEAR_COM (priv->dxgi_info_queue);
#endif
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gst_d3d11_device_finalize (GObject * object)
{
GstD3D11Device *self = GST_D3D11_DEVICE (object);
GstD3D11DevicePrivate *priv = self->priv;
GST_LOG_OBJECT (self, "finalize");
g_rec_mutex_clear (&priv->extern_lock);
g_mutex_clear (&priv->resource_lock);
g_free (priv->description);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
/**
* gst_d3d11_device_new:
* @adapter: the index of adapter for creating d3d11 device
* @flags: a D3D11_CREATE_DEVICE_FLAG value used for creating d3d11 device
*
* Returns: (transfer full) (nullable): a new #GstD3D11Device for @adapter
* or %NULL when failed to create D3D11 device with given adapter index.
*
* Since: 1.20
*/
GstD3D11Device *
gst_d3d11_device_new (guint adapter, guint flags)
{
GstD3D11Device *device = NULL;
GstD3D11DevicePrivate *priv;
device = (GstD3D11Device *)
g_object_new (GST_TYPE_D3D11_DEVICE, "adapter", adapter,
"create-flags", flags, NULL);
priv = device->priv;
if (!priv->device || !priv->device_context) {
GST_DEBUG ("Cannot create d3d11 device with adapter %d", adapter);
gst_clear_object (&device);
} else {
gst_object_ref_sink (device);
}
return device;
}
/**
* gst_d3d11_device_get_device_handle:
* @device: a #GstD3D11Device
*
* Used for various D3D11 APIs directly. Caller must not destroy returned device
* object.
*
* Returns: (transfer none): the ID3D11Device handle
*
* Since: 1.20
*/
ID3D11Device *
gst_d3d11_device_get_device_handle (GstD3D11Device * device)
{
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
return device->priv->device;
}
/**
* gst_d3d11_device_get_device_context_handle:
* @device: a #GstD3D11Device
*
* Used for various D3D11 APIs directly. Caller must not destroy returned device
* object. Any ID3D11DeviceContext call needs to be protected by
* gst_d3d11_device_lock() and gst_d3d11_device_unlock() method.
*
* Returns: (transfer none): the immeidate ID3D11DeviceContext handle
*
* Since: 1.20
*/
ID3D11DeviceContext *
gst_d3d11_device_get_device_context_handle (GstD3D11Device * device)
{
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
return device->priv->device_context;
}
/**
* gst_d3d11_device_get_dxgi_factory_handle:
* @device: a #GstD3D11Device
*
* Used for various D3D11 APIs directly. Caller must not destroy returned device
* object.
*
* Returns: (transfer none): the IDXGIFactory1 handle
*
* Since: 1.20
*/
IDXGIFactory1 *
gst_d3d11_device_get_dxgi_factory_handle (GstD3D11Device * device)
{
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
return device->priv->factory;
}
/**
* gst_d3d11_device_get_video_device_handle:
* @device: a #GstD3D11Device
*
* Used for various D3D11 APIs directly. Caller must not destroy returned device
* object.
*
* Returns: (nullable) (transfer none) : the ID3D11VideoDevice handle or %NULL
* if ID3D11VideoDevice is unavailable.
*
* Since: 1.20
*/
ID3D11VideoDevice *
gst_d3d11_device_get_video_device_handle (GstD3D11Device * device)
{
GstD3D11DevicePrivate *priv;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
priv = device->priv;
g_mutex_lock (&priv->resource_lock);
if (!priv->video_device) {
HRESULT hr;
ID3D11VideoDevice *video_device = NULL;
hr = priv->device->QueryInterface (IID_PPV_ARGS (&video_device));
if (gst_d3d11_result (hr, device))
priv->video_device = video_device;
}
g_mutex_unlock (&priv->resource_lock);
return priv->video_device;
}
/**
* gst_d3d11_device_get_video_context_handle:
* @device: a #GstD3D11Device
*
* Used for various D3D11 APIs directly. Caller must not destroy returned device
* object.
*
* Returns: (nullable) (transfer none): the ID3D11VideoContext handle or %NULL
* if ID3D11VideoContext is unavailable.
*
* Since: 1.20
*/
ID3D11VideoContext *
gst_d3d11_device_get_video_context_handle (GstD3D11Device * device)
{
GstD3D11DevicePrivate *priv;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
priv = device->priv;
g_mutex_lock (&priv->resource_lock);
if (!priv->video_context) {
HRESULT hr;
ID3D11VideoContext *video_context = NULL;
hr = priv->device_context->QueryInterface (IID_PPV_ARGS (&video_context));
if (gst_d3d11_result (hr, device))
priv->video_context = video_context;
}
g_mutex_unlock (&priv->resource_lock);
return priv->video_context;
}
/**
* gst_d3d11_device_lock:
* @device: a #GstD3D11Device
*
* Take lock for @device. Any thread-unsafe API call needs to be
* protected by this method. This call must be paired with
* gst_d3d11_device_unlock()
*
* Since: 1.20
*/
void
gst_d3d11_device_lock (GstD3D11Device * device)
{
GstD3D11DevicePrivate *priv;
g_return_if_fail (GST_IS_D3D11_DEVICE (device));
priv = device->priv;
GST_TRACE_OBJECT (device, "device locking");
g_rec_mutex_lock (&priv->extern_lock);
GST_TRACE_OBJECT (device, "device locked");
}
/**
* gst_d3d11_device_unlock:
* @device: a #GstD3D11Device
*
* Release lock for @device. This call must be paired with
* gst_d3d11_device_lock()
*
* Since: 1.20
*/
void
gst_d3d11_device_unlock (GstD3D11Device * device)
{
GstD3D11DevicePrivate *priv;
g_return_if_fail (GST_IS_D3D11_DEVICE (device));
priv = device->priv;
g_rec_mutex_unlock (&priv->extern_lock);
GST_TRACE_OBJECT (device, "device unlocked");
}
/**
* gst_d3d11_device_format_from_gst:
* @device: a #GstD3D11Device
* @format: a #GstVideoFormat
*
* Returns: (transfer none) (nullable): a pointer to #GstD3D11Format
* or %NULL if @format is not supported by @device
*
* Since: 1.20
*/
const GstD3D11Format *
gst_d3d11_device_format_from_gst (GstD3D11Device * device,
GstVideoFormat format)
{
GstD3D11DevicePrivate *priv;
guint i;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
priv = device->priv;
for (i = 0; i < G_N_ELEMENTS (priv->format_table); i++) {
if (priv->format_table[i].format == format)
return &priv->format_table[i];
}
return NULL;
}