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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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81dde0f5b8
Even if one of downstream d3d11 elements can support dynamic-usage memory, another one might not support it. Also, to support dynamic-usage, both upstream and downstream d3d11device must be the same object.
680 lines
20 KiB
C
680 lines
20 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "d3d11config.h"
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#include "gstd3d11utils.h"
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#include "gstd3d11device.h"
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#include <windows.h>
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#include <versionhelpers.h>
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
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GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_utils_debug);
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#define GST_CAT_DEFAULT gst_d3d11_utils_debug
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static void
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_init_context_debug (void)
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{
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static volatile gsize _init = 0;
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if (g_once_init_enter (&_init)) {
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GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT");
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g_once_init_leave (&_init, 1);
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}
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}
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/**
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* gst_d3d11_handle_set_context:
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* @element: a #GstElement
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* @context: a #GstContext
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* @device: (inout) (transfer full): location of a #GstD3DDevice
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*
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* Helper function for implementing #GstElementClass.set_context() in
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* D3D11 capable elements.
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*
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* Retrieve's the #GstD3D11Device in @context and places the result in @device.
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*
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* Returns: whether the @device could be set successfully
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*/
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gboolean
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gst_d3d11_handle_set_context (GstElement * element, GstContext * context,
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gint adapter, GstD3D11Device ** device)
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{
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const gchar *context_type;
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g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
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g_return_val_if_fail (device != NULL, FALSE);
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_init_context_debug ();
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if (!context)
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return FALSE;
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context_type = gst_context_get_context_type (context);
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if (g_strcmp0 (context_type, GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE) == 0) {
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const GstStructure *str;
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GstD3D11Device *other_device = NULL;
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gint other_adapter = 0;
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/* If we had device already, will not replace it */
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if (*device)
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return TRUE;
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str = gst_context_get_structure (context);
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if (gst_structure_get (str, "device", GST_TYPE_D3D11_DEVICE,
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&other_device, "adapter", G_TYPE_INT, &other_adapter, NULL)) {
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if (adapter == -1 || adapter == other_adapter) {
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GST_CAT_DEBUG_OBJECT (GST_CAT_CONTEXT,
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element, "Found D3D11 device context");
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*device = other_device;
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return TRUE;
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}
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gst_object_unref (other_device);
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}
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}
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return FALSE;
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}
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static void
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context_set_d3d11_device (GstContext * context, GstD3D11Device * device)
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{
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GstStructure *s;
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gint adapter;
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g_return_if_fail (context != NULL);
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g_object_get (G_OBJECT (device), "adapter", &adapter, NULL);
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GST_CAT_LOG (GST_CAT_CONTEXT,
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"setting GstD3D11Device(%" GST_PTR_FORMAT
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") with adapter %d on context(%" GST_PTR_FORMAT ")",
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device, adapter, context);
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s = gst_context_writable_structure (context);
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gst_structure_set (s, "device", GST_TYPE_D3D11_DEVICE,
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device, "adapter", G_TYPE_INT, adapter, NULL);
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}
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/**
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* gst_d3d11_handle_context_query:
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* @element: a #GstElement
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* @query: a #GstQuery of type %GST_QUERY_CONTEXT
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* @device: (transfer none) (nullable): a #GstD3D11Device
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*
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* Returns: Whether the @query was successfully responded to from the passed
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* @device.
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*/
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gboolean
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gst_d3d11_handle_context_query (GstElement * element, GstQuery * query,
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GstD3D11Device * device)
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{
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const gchar *context_type;
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GstContext *context, *old_context;
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g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
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g_return_val_if_fail (GST_IS_QUERY (query), FALSE);
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_init_context_debug ();
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GST_LOG_OBJECT (element, "handle context query %" GST_PTR_FORMAT, query);
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if (!device)
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return FALSE;
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gst_query_parse_context_type (query, &context_type);
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if (g_strcmp0 (context_type, GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE) != 0)
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return FALSE;
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gst_query_parse_context (query, &old_context);
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if (old_context)
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context = gst_context_copy (old_context);
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else
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context = gst_context_new (GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE, TRUE);
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context_set_d3d11_device (context, device);
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gst_query_set_context (query, context);
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gst_context_unref (context);
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GST_DEBUG_OBJECT (element, "successfully set %" GST_PTR_FORMAT
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" on %" GST_PTR_FORMAT, device, query);
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return TRUE;
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}
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static gboolean
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pad_query (const GValue * item, GValue * value, gpointer user_data)
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{
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GstPad *pad = g_value_get_object (item);
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GstQuery *query = user_data;
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gboolean res;
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res = gst_pad_peer_query (pad, query);
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if (res) {
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g_value_set_boolean (value, TRUE);
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return FALSE;
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}
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GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, pad, "pad peer query failed");
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return TRUE;
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}
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static gboolean
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run_query (GstElement * element, GstQuery * query, GstPadDirection direction)
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{
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GstIterator *it;
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GstIteratorFoldFunction func = pad_query;
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GValue res = { 0 };
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g_value_init (&res, G_TYPE_BOOLEAN);
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g_value_set_boolean (&res, FALSE);
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/* Ask neighbor */
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if (direction == GST_PAD_SRC)
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it = gst_element_iterate_src_pads (element);
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else
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it = gst_element_iterate_sink_pads (element);
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while (gst_iterator_fold (it, func, &res, query) == GST_ITERATOR_RESYNC)
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gst_iterator_resync (it);
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gst_iterator_free (it);
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return g_value_get_boolean (&res);
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}
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static void
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run_d3d11_context_query (GstElement * element, GstD3D11Device ** device)
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{
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GstQuery *query;
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GstContext *ctxt;
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/* 1) Query downstream with GST_QUERY_CONTEXT for the context and
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* check if downstream already has a context of the specific type
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*/
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query = gst_query_new_context (GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE);
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if (run_query (element, query, GST_PAD_SRC)) {
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gst_query_parse_context (query, &ctxt);
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GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
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"found context (%" GST_PTR_FORMAT ") in downstream query", ctxt);
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gst_element_set_context (element, ctxt);
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}
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/* 2) although we found d3d11 device context above, the element does not want
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* to use the context. Then try to find from the other direction */
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if (*device == NULL && run_query (element, query, GST_PAD_SINK)) {
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gst_query_parse_context (query, &ctxt);
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GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
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"found context (%" GST_PTR_FORMAT ") in upstream query", ctxt);
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gst_element_set_context (element, ctxt);
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}
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if (*device == NULL) {
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/* 3) Post a GST_MESSAGE_NEED_CONTEXT message on the bus with
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* the required context type and afterwards check if a
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* usable context was set now as in 1). The message could
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* be handled by the parent bins of the element and the
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* application.
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*/
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GstMessage *msg;
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GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
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"posting need context message");
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msg = gst_message_new_need_context (GST_OBJECT_CAST (element),
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GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE);
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gst_element_post_message (element, msg);
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}
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/*
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* Whomever responds to the need-context message performs a
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* GstElement::set_context() with the required context in which the element
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* is required to update the display_ptr or call gst_gl_handle_set_context().
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*/
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gst_query_unref (query);
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}
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/**
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* gst_d3d11_ensure_element_data:
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* @element: the #GstElement running the query
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* @adapter: prefered adapter index, pass adapter >=0 when
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* the adapter explicitly required. Otherwise, set -1.
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* @device: (inout): the resulting #GstD3D11Device
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*
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* Perform the steps necessary for retrieving a #GstD3D11Device
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* from the surrounding elements or from the application using the #GstContext mechanism.
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*
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* If the contents of @device is not %NULL, then no #GstContext query is
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* necessary for #GstD3D11Device retrieval is performed.
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*
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* Returns: whether a #GstD3D11Device exists in @device
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*/
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gboolean
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gst_d3d11_ensure_element_data (GstElement * element, gint adapter,
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GstD3D11Device ** device)
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{
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guint target_adapter = 0;
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g_return_val_if_fail (element != NULL, FALSE);
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g_return_val_if_fail (device != NULL, FALSE);
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_init_context_debug ();
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if (*device) {
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GST_LOG_OBJECT (element, "already have a device %" GST_PTR_FORMAT, *device);
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return TRUE;
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}
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run_d3d11_context_query (element, device);
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if (*device)
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return TRUE;
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if (adapter > 0)
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target_adapter = adapter;
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*device = gst_d3d11_device_new (target_adapter);
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if (*device == NULL) {
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GST_ERROR_OBJECT (element,
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"Couldn't create new device with adapter index %d", target_adapter);
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return FALSE;
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} else {
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GstContext *context;
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GstMessage *msg;
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/* Propagate new D3D11 device context */
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context = gst_context_new (GST_D3D11_DEVICE_HANDLE_CONTEXT_TYPE, TRUE);
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context_set_d3d11_device (context, *device);
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gst_element_set_context (element, context);
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GST_CAT_INFO_OBJECT (GST_CAT_CONTEXT, element,
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"posting have context (%p) message with D3D11 device context (%p)",
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context, *device);
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msg = gst_message_new_have_context (GST_OBJECT_CAST (element), context);
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gst_element_post_message (GST_ELEMENT_CAST (element), msg);
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}
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return TRUE;
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}
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gboolean
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gst_d3d11_is_windows_8_or_greater (void)
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{
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static gsize version_once = 0;
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static gboolean ret = FALSE;
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if (g_once_init_enter (&version_once)) {
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if (IsWindows8OrGreater ())
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ret = TRUE;
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g_once_init_leave (&version_once, 1);
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}
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return ret;
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}
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GstQuery *
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gst_query_new_d3d11_usage (GstD3D11Device * device, D3D11_USAGE usage)
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{
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GstQuery *query;
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GstStructure *structure;
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g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
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structure = gst_structure_new ("GstQueryD3D11Usage",
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"device", GST_TYPE_D3D11_DEVICE, device,
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"usage", G_TYPE_INT, usage, "result", G_TYPE_BOOLEAN, FALSE, NULL);
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query = gst_query_new_custom (GST_QUERY_CUSTOM, structure);
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return query;
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}
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void
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gst_query_parse_d3d11_usage (GstQuery * query, GstD3D11Device ** device,
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D3D11_USAGE * usage)
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{
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const GstStructure *structure;
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g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_CUSTOM);
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if (!gst_query_is_d3d11_usage (query))
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return;
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structure = gst_query_get_structure (query);
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gst_structure_get (structure, "device", GST_TYPE_D3D11_DEVICE, device,
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"usage", G_TYPE_INT, usage, NULL);
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}
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void
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gst_query_set_d3d11_usage_result (GstQuery * query, gboolean result)
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{
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GstStructure *structure;
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const gchar *name;
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g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_CUSTOM);
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g_return_if_fail (gst_query_is_writable (query));
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structure = gst_query_writable_structure (query);
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name = gst_structure_get_name (structure);
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g_return_if_fail (g_strcmp0 (name, "GstQueryD3D11Usage") == 0);
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gst_structure_set (structure, "result", G_TYPE_BOOLEAN, result, NULL);
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}
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void
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gst_query_parse_d3d11_usage_result (GstQuery * query, gboolean * result)
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{
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const GstStructure *structure;
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const gchar *name;
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g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_CUSTOM);
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g_return_if_fail (gst_query_is_writable (query));
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g_return_if_fail (result != NULL);
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structure = gst_query_get_structure (query);
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name = gst_structure_get_name (structure);
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g_return_if_fail (g_strcmp0 (name, "GstQueryD3D11Usage") == 0);
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gst_structure_get (structure, "result", G_TYPE_BOOLEAN, result, NULL);
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}
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gboolean
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gst_query_is_d3d11_usage (GstQuery * query)
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{
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const GstStructure *structure;
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g_return_val_if_fail (GST_IS_QUERY (query), FALSE);
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if (GST_QUERY_TYPE (query) != GST_QUERY_CUSTOM)
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return FALSE;
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structure = gst_query_get_structure (query);
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if (!structure ||
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g_strcmp0 (gst_structure_get_name (structure), "GstQueryD3D11Usage"))
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return FALSE;
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return TRUE;
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}
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/*
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* This is an incomplete matrix of in formats and a score for the prefered output
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* format.
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*
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* out: RGB24 RGB16 ARGB AYUV YUV444 YUV422 YUV420 YUV411 YUV410 PAL GRAY
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* in
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* RGB24 0 2 1 2 2 3 4 5 6 7 8
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* RGB16 1 0 1 2 2 3 4 5 6 7 8
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* ARGB 2 3 0 1 4 5 6 7 8 9 10
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* AYUV 3 4 1 0 2 5 6 7 8 9 10
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* YUV444 2 4 3 1 0 5 6 7 8 9 10
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* YUV422 3 5 4 2 1 0 6 7 8 9 10
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* YUV420 4 6 5 3 2 1 0 7 8 9 10
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* YUV411 4 6 5 3 2 1 7 0 8 9 10
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* YUV410 6 8 7 5 4 3 2 1 0 9 10
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* PAL 1 3 2 6 4 6 7 8 9 0 10
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* GRAY 1 4 3 2 1 5 6 7 8 9 0
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*
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* PAL or GRAY are never prefered, if we can we would convert to PAL instead
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* of GRAY, though
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* less subsampling is prefered and if any, preferably horizontal
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* We would like to keep the alpha, even if we would need to to colorspace conversion
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* or lose depth.
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*/
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#define SCORE_FORMAT_CHANGE 1
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#define SCORE_DEPTH_CHANGE 1
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#define SCORE_ALPHA_CHANGE 1
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#define SCORE_CHROMA_W_CHANGE 1
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#define SCORE_CHROMA_H_CHANGE 1
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#define SCORE_PALETTE_CHANGE 1
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#define SCORE_COLORSPACE_LOSS 2 /* RGB <-> YUV */
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#define SCORE_DEPTH_LOSS 4 /* change bit depth */
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#define SCORE_ALPHA_LOSS 8 /* lose the alpha channel */
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#define SCORE_CHROMA_W_LOSS 16 /* vertical subsample */
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#define SCORE_CHROMA_H_LOSS 32 /* horizontal subsample */
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#define SCORE_PALETTE_LOSS 64 /* convert to palette format */
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#define SCORE_COLOR_LOSS 128 /* convert to GRAY */
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#define COLORSPACE_MASK (GST_VIDEO_FORMAT_FLAG_YUV | \
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GST_VIDEO_FORMAT_FLAG_RGB | GST_VIDEO_FORMAT_FLAG_GRAY)
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#define ALPHA_MASK (GST_VIDEO_FORMAT_FLAG_ALPHA)
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#define PALETTE_MASK (GST_VIDEO_FORMAT_FLAG_PALETTE)
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/* calculate how much loss a conversion would be */
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static void
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score_value (const GstVideoFormatInfo * in_info,
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const GValue * val, gint * min_loss, const GstVideoFormatInfo ** out_info)
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{
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const gchar *fname;
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const GstVideoFormatInfo *t_info;
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GstVideoFormatFlags in_flags, t_flags;
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gint loss;
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fname = g_value_get_string (val);
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t_info = gst_video_format_get_info (gst_video_format_from_string (fname));
|
|
if (!t_info)
|
|
return;
|
|
|
|
/* accept input format immediately without loss */
|
|
if (in_info == t_info) {
|
|
*min_loss = 0;
|
|
*out_info = t_info;
|
|
return;
|
|
}
|
|
|
|
loss = SCORE_FORMAT_CHANGE;
|
|
|
|
in_flags = GST_VIDEO_FORMAT_INFO_FLAGS (in_info);
|
|
in_flags &= ~GST_VIDEO_FORMAT_FLAG_LE;
|
|
in_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX;
|
|
in_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK;
|
|
|
|
t_flags = GST_VIDEO_FORMAT_INFO_FLAGS (t_info);
|
|
t_flags &= ~GST_VIDEO_FORMAT_FLAG_LE;
|
|
t_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX;
|
|
t_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK;
|
|
|
|
if ((t_flags & PALETTE_MASK) != (in_flags & PALETTE_MASK)) {
|
|
loss += SCORE_PALETTE_CHANGE;
|
|
if (t_flags & PALETTE_MASK)
|
|
loss += SCORE_PALETTE_LOSS;
|
|
}
|
|
|
|
if ((t_flags & COLORSPACE_MASK) != (in_flags & COLORSPACE_MASK)) {
|
|
loss += SCORE_COLORSPACE_LOSS;
|
|
if (t_flags & GST_VIDEO_FORMAT_FLAG_GRAY)
|
|
loss += SCORE_COLOR_LOSS;
|
|
}
|
|
|
|
if ((t_flags & ALPHA_MASK) != (in_flags & ALPHA_MASK)) {
|
|
loss += SCORE_ALPHA_CHANGE;
|
|
if (in_flags & ALPHA_MASK)
|
|
loss += SCORE_ALPHA_LOSS;
|
|
}
|
|
|
|
if ((in_info->h_sub[1]) != (t_info->h_sub[1])) {
|
|
loss += SCORE_CHROMA_H_CHANGE;
|
|
if ((in_info->h_sub[1]) < (t_info->h_sub[1]))
|
|
loss += SCORE_CHROMA_H_LOSS;
|
|
}
|
|
if ((in_info->w_sub[1]) != (t_info->w_sub[1])) {
|
|
loss += SCORE_CHROMA_W_CHANGE;
|
|
if ((in_info->w_sub[1]) < (t_info->w_sub[1]))
|
|
loss += SCORE_CHROMA_W_LOSS;
|
|
}
|
|
|
|
if ((in_info->bits) != (t_info->bits)) {
|
|
loss += SCORE_DEPTH_CHANGE;
|
|
if ((in_info->bits) > (t_info->bits))
|
|
loss += SCORE_DEPTH_LOSS + (in_info->bits - t_info->bits);
|
|
}
|
|
|
|
GST_DEBUG ("score %s -> %s = %d",
|
|
GST_VIDEO_FORMAT_INFO_NAME (in_info),
|
|
GST_VIDEO_FORMAT_INFO_NAME (t_info), loss);
|
|
|
|
if (loss < *min_loss) {
|
|
GST_DEBUG ("found new best %d", loss);
|
|
*out_info = t_info;
|
|
*min_loss = loss;
|
|
}
|
|
}
|
|
|
|
GstCaps *
|
|
gst_d3d11_caps_fixate_format (GstCaps * caps, GstCaps * othercaps)
|
|
{
|
|
GstStructure *ins, *outs;
|
|
const gchar *in_format;
|
|
const GstVideoFormatInfo *in_info, *out_info = NULL;
|
|
gint min_loss = G_MAXINT;
|
|
guint i, capslen;
|
|
GstCaps *result;
|
|
|
|
result = gst_caps_intersect (othercaps, caps);
|
|
if (gst_caps_is_empty (result)) {
|
|
gst_caps_unref (result);
|
|
result = othercaps;
|
|
} else {
|
|
gst_caps_unref (othercaps);
|
|
}
|
|
|
|
result = gst_caps_make_writable (result);
|
|
|
|
ins = gst_caps_get_structure (caps, 0);
|
|
in_format = gst_structure_get_string (ins, "format");
|
|
if (!in_format) {
|
|
gst_caps_unref (result);
|
|
return NULL;
|
|
}
|
|
|
|
GST_DEBUG ("source format %s", in_format);
|
|
|
|
in_info =
|
|
gst_video_format_get_info (gst_video_format_from_string (in_format));
|
|
if (!in_info) {
|
|
gst_caps_unref (result);
|
|
return NULL;
|
|
}
|
|
|
|
outs = gst_caps_get_structure (result, 0);
|
|
|
|
capslen = gst_caps_get_size (result);
|
|
GST_DEBUG ("iterate %d structures", capslen);
|
|
for (i = 0; i < capslen; i++) {
|
|
GstStructure *tests;
|
|
const GValue *format;
|
|
|
|
tests = gst_caps_get_structure (result, i);
|
|
format = gst_structure_get_value (tests, "format");
|
|
/* should not happen */
|
|
if (format == NULL)
|
|
continue;
|
|
|
|
if (GST_VALUE_HOLDS_LIST (format)) {
|
|
gint j, len;
|
|
|
|
len = gst_value_list_get_size (format);
|
|
GST_DEBUG ("have %d formats", len);
|
|
for (j = 0; j < len; j++) {
|
|
const GValue *val;
|
|
|
|
val = gst_value_list_get_value (format, j);
|
|
if (G_VALUE_HOLDS_STRING (val)) {
|
|
score_value (in_info, val, &min_loss, &out_info);
|
|
if (min_loss == 0)
|
|
break;
|
|
}
|
|
}
|
|
} else if (G_VALUE_HOLDS_STRING (format)) {
|
|
score_value (in_info, format, &min_loss, &out_info);
|
|
}
|
|
}
|
|
if (out_info)
|
|
gst_structure_set (outs, "format", G_TYPE_STRING,
|
|
GST_VIDEO_FORMAT_INFO_NAME (out_info), NULL);
|
|
|
|
return result;
|
|
}
|
|
|
|
static gchar *
|
|
gst_d3d11_hres_to_string (HRESULT hr)
|
|
{
|
|
DWORD flags;
|
|
gchar *ret_text;
|
|
LPTSTR error_text = NULL;
|
|
|
|
flags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER
|
|
| FORMAT_MESSAGE_IGNORE_INSERTS;
|
|
FormatMessage (flags, NULL, hr, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPTSTR) & error_text, 0, NULL);
|
|
|
|
#ifdef UNICODE
|
|
/* If UNICODE is defined, LPTSTR is LPWSTR which is UTF-16 */
|
|
ret_text = g_utf16_to_utf8 (error_text, 0, NULL, NULL, NULL);
|
|
#else
|
|
ret_text = g_strdup (error_text);
|
|
#endif
|
|
|
|
LocalFree (error_text);
|
|
return ret_text;
|
|
}
|
|
|
|
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 = gst_d3d11_hres_to_string (hr);
|
|
gst_debug_log (cat, GST_LEVEL_WARNING, file, function, line,
|
|
NULL, "D3D11 call failed: 0x%x, %s", (guint) hr, 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
|
|
}
|