gstreamer/sys/d3d11/gstd3d11utils.c

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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 "gstd3d11utils.h"
#include "gstd3d11device.h"
#include "gstd3d11memory.h"
#include <windows.h>
#include <versionhelpers.h>
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_utils_debug);
#define GST_CAT_DEFAULT gst_d3d11_utils_debug
static void
_init_context_debug (void)
{
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT");
g_once_init_leave (&_init, 1);
}
}
/**
* gst_d3d11_handle_set_context:
* @element: a #GstElement
* @context: a #GstContext
* @device: (inout) (transfer full): location of a #GstD3DDevice
*
* Helper function for implementing #GstElementClass.set_context() in
* D3D11 capable elements.
*
* Retrieve's the #GstD3D11Device in @context and places the result in @device.
*
* Returns: whether the @device could be set successfully
*/
gboolean
gst_d3d11_handle_set_context (GstElement * element, GstContext * context,
gint adapter, GstD3D11Device ** device)
{
const gchar *context_type;
g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
g_return_val_if_fail (device != NULL, FALSE);
_init_context_debug ();
if (!context)
return FALSE;
context_type = gst_context_get_context_type (context);
if (g_strcmp0 (context_type, GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE) == 0) {
const GstStructure *str;
GstD3D11Device *other_device = NULL;
guint other_adapter = 0;
/* If we had device already, will not replace it */
if (*device)
return TRUE;
str = gst_context_get_structure (context);
if (gst_structure_get (str, "device", GST_TYPE_D3D11_DEVICE,
&other_device, "adapter", G_TYPE_UINT, &other_adapter, NULL)) {
if (adapter == -1 || (guint) adapter == other_adapter) {
GST_CAT_DEBUG_OBJECT (GST_CAT_CONTEXT,
element, "Found D3D11 device context");
*device = other_device;
return TRUE;
}
gst_object_unref (other_device);
}
}
return FALSE;
}
static void
context_set_d3d11_device (GstContext * context, GstD3D11Device * device)
{
GstStructure *s;
guint adapter = 0;
guint device_id = 0;
guint vendor_id = 0;
gboolean hardware = FALSE;
gchar *desc = NULL;
g_return_if_fail (context != NULL);
g_object_get (G_OBJECT (device), "adapter", &adapter, "device-id", &device_id,
"vendor_id", &vendor_id, "hardware", &hardware, "description", &desc,
NULL);
GST_CAT_LOG (GST_CAT_CONTEXT,
"setting GstD3D11Device(%" GST_PTR_FORMAT
") with adapter %d on context(%" GST_PTR_FORMAT ")",
device, adapter, context);
s = gst_context_writable_structure (context);
gst_structure_set (s, "device", GST_TYPE_D3D11_DEVICE, device,
"adapter", G_TYPE_UINT, adapter,
"device-id", G_TYPE_UINT, device_id,
"vendor-id", G_TYPE_UINT, vendor_id,
"hardware", G_TYPE_BOOLEAN, hardware,
"description", G_TYPE_STRING, GST_STR_NULL (desc), NULL);
g_free (desc);
}
/**
* gst_d3d11_handle_context_query:
* @element: a #GstElement
* @query: a #GstQuery of type %GST_QUERY_CONTEXT
* @device: (transfer none) (nullable): a #GstD3D11Device
*
* Returns: Whether the @query was successfully responded to from the passed
* @device.
*/
gboolean
gst_d3d11_handle_context_query (GstElement * element, GstQuery * query,
GstD3D11Device * device)
{
const gchar *context_type;
GstContext *context, *old_context;
g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
g_return_val_if_fail (GST_IS_QUERY (query), FALSE);
_init_context_debug ();
GST_LOG_OBJECT (element, "handle context query %" GST_PTR_FORMAT, query);
if (!device)
return FALSE;
gst_query_parse_context_type (query, &context_type);
if (g_strcmp0 (context_type, GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE) != 0)
return FALSE;
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new (GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE, TRUE);
context_set_d3d11_device (context, device);
gst_query_set_context (query, context);
gst_context_unref (context);
GST_DEBUG_OBJECT (element, "successfully set %" GST_PTR_FORMAT
" on %" GST_PTR_FORMAT, device, query);
return TRUE;
}
static gboolean
pad_query (const GValue * item, GValue * value, gpointer user_data)
{
GstPad *pad = g_value_get_object (item);
GstQuery *query = user_data;
gboolean res;
res = gst_pad_peer_query (pad, query);
if (res) {
g_value_set_boolean (value, TRUE);
return FALSE;
}
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, pad, "pad peer query failed");
return TRUE;
}
static gboolean
run_query (GstElement * element, GstQuery * query, GstPadDirection direction)
{
GstIterator *it;
GstIteratorFoldFunction func = pad_query;
GValue res = { 0 };
g_value_init (&res, G_TYPE_BOOLEAN);
g_value_set_boolean (&res, FALSE);
/* Ask neighbor */
if (direction == GST_PAD_SRC)
it = gst_element_iterate_src_pads (element);
else
it = gst_element_iterate_sink_pads (element);
while (gst_iterator_fold (it, func, &res, query) == GST_ITERATOR_RESYNC)
gst_iterator_resync (it);
gst_iterator_free (it);
return g_value_get_boolean (&res);
}
static void
run_d3d11_context_query (GstElement * element, GstD3D11Device ** device)
{
GstQuery *query;
GstContext *ctxt = NULL;
/* 1) Query downstream with GST_QUERY_CONTEXT for the context and
* check if downstream already has a context of the specific type
*/
query = gst_query_new_context (GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE);
if (run_query (element, query, GST_PAD_SRC)) {
gst_query_parse_context (query, &ctxt);
if (ctxt) {
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%" GST_PTR_FORMAT ") in downstream query", ctxt);
gst_element_set_context (element, ctxt);
}
}
/* 2) although we found d3d11 device context above, the element does not want
* to use the context. Then try to find from the other direction */
if (*device == NULL && run_query (element, query, GST_PAD_SINK)) {
gst_query_parse_context (query, &ctxt);
if (ctxt) {
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"found context (%" GST_PTR_FORMAT ") in upstream query", ctxt);
gst_element_set_context (element, ctxt);
}
}
if (*device == NULL) {
/* 3) Post a GST_MESSAGE_NEED_CONTEXT message on the bus with
* the required context type and afterwards check if a
* usable context was set now as in 1). The message could
* be handled by the parent bins of the element and the
* application.
*/
GstMessage *msg;
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"posting need context message");
msg = gst_message_new_need_context (GST_OBJECT_CAST (element),
GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE);
gst_element_post_message (element, msg);
}
/*
* Whomever responds to the need-context message performs a
* GstElement::set_context() with the required context in which the element
* is required to update the display_ptr or call gst_gl_handle_set_context().
*/
gst_query_unref (query);
}
/**
* gst_d3d11_ensure_element_data:
* @element: the #GstElement running the query
* @adapter: prefered adapter index, pass adapter >=0 when
* the adapter explicitly required. Otherwise, set -1.
* @device: (inout): the resulting #GstD3D11Device
*
* Perform the steps necessary for retrieving a #GstD3D11Device
* from the surrounding elements or from the application using the #GstContext mechanism.
*
* If the contents of @device is not %NULL, then no #GstContext query is
* necessary for #GstD3D11Device retrieval is performed.
*
* Returns: whether a #GstD3D11Device exists in @device
*/
gboolean
gst_d3d11_ensure_element_data (GstElement * element, gint adapter,
GstD3D11Device ** device)
{
guint target_adapter = 0;
g_return_val_if_fail (element != NULL, FALSE);
g_return_val_if_fail (device != NULL, FALSE);
_init_context_debug ();
if (*device) {
GST_LOG_OBJECT (element, "already have a device %" GST_PTR_FORMAT, *device);
return TRUE;
}
run_d3d11_context_query (element, device);
if (*device)
return TRUE;
if (adapter > 0)
target_adapter = adapter;
*device = gst_d3d11_device_new (target_adapter);
if (*device == NULL) {
GST_ERROR_OBJECT (element,
"Couldn't create new device with adapter index %d", target_adapter);
return FALSE;
} else {
GstContext *context;
GstMessage *msg;
/* Propagate new D3D11 device context */
context = gst_context_new (GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE, TRUE);
context_set_d3d11_device (context, *device);
gst_element_set_context (element, context);
GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
"posting have context (%p) message with D3D11 device context (%p)",
context, *device);
msg = gst_message_new_have_context (GST_OBJECT_CAST (element), context);
gst_element_post_message (GST_ELEMENT_CAST (element), msg);
}
return TRUE;
}
gboolean
gst_d3d11_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;
}
GstD3D11DeviceVendor
gst_d3d11_get_device_vendor (GstD3D11Device * device)
{
guint device_id = 0;
guint vendor_id = 0;
gchar *desc = NULL;
GstD3D11DeviceVendor vendor = GST_D3D11_DEVICE_VENDOR_UNKNOWN;
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), FALSE);
g_object_get (device, "device-id", &device_id, "vendor-id", &vendor_id,
"description", &desc, NULL);
switch (vendor_id) {
case 0:
if (device_id == 0 && desc && g_strrstr (desc, "SraKmd"))
vendor = GST_D3D11_DEVICE_VENDOR_XBOX;
break;
case 0x1002:
case 0x1022:
vendor = GST_D3D11_DEVICE_VENDOR_AMD;
break;
case 0x8086:
vendor = GST_D3D11_DEVICE_VENDOR_INTEL;
break;
case 0x10de:
vendor = GST_D3D11_DEVICE_VENDOR_NVIDIA;
break;
case 0x4d4f4351:
vendor = GST_D3D11_DEVICE_VENDOR_QUALCOMM;
break;
default:
break;
}
g_free (desc);
return vendor;
}
GstBuffer *
gst_d3d11_allocate_staging_buffer (GstD3D11Allocator * allocator,
const GstVideoInfo * info, const GstD3D11Format * format,
const D3D11_TEXTURE2D_DESC desc[GST_VIDEO_MAX_PLANES],
gboolean add_videometa)
{
GstBuffer *buffer;
gint i;
gint stride[GST_VIDEO_MAX_PLANES] = { 0, };
gsize offset[GST_VIDEO_MAX_PLANES] = { 0, };
GstMemory *mem;
g_return_val_if_fail (GST_IS_D3D11_ALLOCATOR (allocator), NULL);
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (format != NULL, NULL);
g_return_val_if_fail (desc != NULL, NULL);
buffer = gst_buffer_new ();
if (format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
gsize size[GST_VIDEO_MAX_PLANES] = { 0, };
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
mem = gst_d3d11_allocator_alloc_staging (allocator, &desc[i], 0,
&stride[i]);
if (!mem) {
GST_ERROR_OBJECT (allocator, "Couldn't allocate memory for plane %d",
i);
goto error;
}
size[i] = gst_memory_get_sizes (mem, NULL, NULL);
if (i > 0)
offset[i] = offset[i - 1] + size[i - 1];
gst_buffer_append_memory (buffer, mem);
}
} else {
/* must be YUV semi-planar or single plane */
g_assert (GST_VIDEO_INFO_N_PLANES (info) <= 2);
mem = gst_d3d11_allocator_alloc_staging (allocator, &desc[0], 0,
&stride[0]);
if (!mem) {
GST_ERROR_OBJECT (allocator, "Couldn't allocate memory");
goto error;
}
gst_memory_get_sizes (mem, NULL, NULL);
gst_buffer_append_memory (buffer, mem);
if (GST_VIDEO_INFO_N_PLANES (info) == 2) {
stride[1] = stride[0];
offset[1] = stride[0] * desc[0].Height;
}
}
if (add_videometa) {
gst_buffer_add_video_meta_full (buffer, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_WIDTH (info),
GST_VIDEO_INFO_HEIGHT (info), GST_VIDEO_INFO_N_PLANES (info),
offset, stride);
}
return buffer;
error:
gst_buffer_unref (buffer);
return NULL;
}
GstBuffer *
gst_d3d11_allocate_staging_buffer_for (GstBuffer * buffer,
const GstVideoInfo * info, gboolean add_videometa)
{
GstD3D11Memory *dmem;
GstD3D11Device *device;
GstD3D11AllocationParams *params = NULL;
GstD3D11Allocator *alloc = NULL;
GstBuffer *staging_buffer = NULL;
D3D11_TEXTURE2D_DESC *desc;
gint i;
for (i = 0; i < gst_buffer_n_memory (buffer); i++) {
GstMemory *mem = gst_buffer_peek_memory (buffer, i);
if (!gst_is_d3d11_memory (mem)) {
GST_DEBUG ("Not a d3d11 memory");
return NULL;
}
}
dmem = (GstD3D11Memory *) gst_buffer_peek_memory (buffer, 0);
device = dmem->device;
params = gst_d3d11_allocation_params_new (device, (GstVideoInfo *) info,
0, 0);
if (!params) {
GST_WARNING ("Couldn't create alloc params");
goto done;
}
desc = &params->desc[0];
/* resolution of semi-planar formats must be multiple of 2 */
if (desc[0].Format == DXGI_FORMAT_NV12 || desc[0].Format == DXGI_FORMAT_P010
|| desc[0].Format == DXGI_FORMAT_P016) {
if (desc[0].Width % 2 || desc[0].Height % 2) {
gint width, height;
GstVideoAlignment align;
width = GST_ROUND_UP_2 (desc[0].Width);
height = GST_ROUND_UP_2 (desc[0].Height);
gst_video_alignment_reset (&align);
align.padding_right = width - desc[0].Width;
align.padding_bottom = height - desc[0].Height;
gst_d3d11_allocation_params_alignment (params, &align);
}
}
alloc = gst_d3d11_allocator_new (device);
if (!alloc) {
GST_WARNING ("Couldn't create allocator");
goto done;
}
staging_buffer = gst_d3d11_allocate_staging_buffer (alloc,
info, params->d3d11_format, params->desc, add_videometa);
if (!staging_buffer)
GST_WARNING ("Couldn't allocate staging buffer");
done:
if (params)
gst_d3d11_allocation_params_free (params);
if (alloc)
gst_object_unref (alloc);
return staging_buffer;
}
gboolean
_gst_d3d11_result (HRESULT hr, GstD3D11Device * device, GstDebugCategory * cat,
const gchar * file, const gchar * function, gint line)
{
#ifndef GST_DISABLE_GST_DEBUG
gboolean ret = TRUE;
if (FAILED (hr)) {
gchar *error_text = NULL;
error_text = g_win32_error_message ((guint) hr);
/* g_win32_error_message() doesn't cover all HERESULT return code,
* so it could be empty string, or null if there was an error
* in g_utf16_to_utf8() */
gst_debug_log (cat, GST_LEVEL_WARNING, file, function, line,
NULL, "D3D11 call failed: 0x%x, %s", (guint) hr,
GST_STR_NULL (error_text));
g_free (error_text);
ret = FALSE;
}
#if (HAVE_D3D11SDKLAYERS_H || HAVE_DXGIDEBUG_H)
if (device) {
gst_d3d11_device_d3d11_debug (device, file, function, line);
gst_d3d11_device_dxgi_debug (device, file, function, line);
}
#endif
return ret;
#else
return SUCCEEDED (hr);
#endif
}
gboolean
gst_d3d11_buffer_copy_into (GstBuffer * dst, GstBuffer * src)
{
guint i;
guint num_mem;
g_return_val_if_fail (GST_IS_BUFFER (dst), FALSE);
g_return_val_if_fail (GST_IS_BUFFER (src), FALSE);
num_mem = gst_buffer_n_memory (dst);
if (num_mem != gst_buffer_n_memory (src)) {
GST_WARNING ("different num memory");
return FALSE;
}
for (i = 0; i < num_mem; i++) {
GstMemory *dst_mem, *src_mem;
GstD3D11Memory *dst_dmem, *src_dmem;
GstMapInfo dst_info;
GstMapInfo src_info;
ID3D11Resource *dst_texture, *src_texture;
ID3D11DeviceContext *device_context;
GstD3D11Device *device;
D3D11_BOX src_box = { 0, };
dst_mem = gst_buffer_peek_memory (dst, i);
src_mem = gst_buffer_peek_memory (src, i);
if (!gst_is_d3d11_memory (dst_mem)) {
GST_WARNING ("dst memory is not d3d11");
return FALSE;
}
if (!gst_is_d3d11_memory (src_mem)) {
GST_WARNING ("src memory is not d3d11");
return FALSE;
}
dst_dmem = (GstD3D11Memory *) dst_mem;
src_dmem = (GstD3D11Memory *) src_mem;
device = dst_dmem->device;
if (device != src_dmem->device) {
GST_WARNING ("different device");
return FALSE;
}
if (dst_dmem->desc.Format != src_dmem->desc.Format) {
GST_WARNING ("different dxgi format");
return FALSE;
}
device_context = gst_d3d11_device_get_device_context_handle (device);
if (!gst_memory_map (dst_mem, &dst_info, GST_MAP_WRITE | GST_MAP_D3D11)) {
GST_ERROR ("Cannot map dst d3d11 memory");
return FALSE;
}
if (!gst_memory_map (src_mem, &src_info, GST_MAP_READ | GST_MAP_D3D11)) {
GST_ERROR ("Cannot map src d3d11 memory");
gst_memory_unmap (dst_mem, &dst_info);
return FALSE;
}
dst_texture = (ID3D11Resource *) dst_info.data;
src_texture = (ID3D11Resource *) src_info.data;
/* src/dst texture size might be different if padding was used.
* select smaller size */
src_box.left = 0;
src_box.top = 0;
src_box.front = 0;
src_box.back = 1;
src_box.right = MIN (src_dmem->desc.Width, dst_dmem->desc.Width);
src_box.bottom = MIN (src_dmem->desc.Height, dst_dmem->desc.Height);
gst_d3d11_device_lock (device);
ID3D11DeviceContext_CopySubresourceRegion (device_context,
dst_texture, dst_dmem->subresource_index, 0, 0, 0,
src_texture, src_dmem->subresource_index, &src_box);
gst_d3d11_device_unlock (device);
gst_memory_unmap (src_mem, &src_info);
gst_memory_unmap (dst_mem, &dst_info);
}
return TRUE;
}