mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 23:46:43 +00:00
6cac053549
... to make cross-api resource sharing possible Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7119>
471 lines
14 KiB
C++
471 lines
14 KiB
C++
/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.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 "gstd3d12.h"
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#include "gstd3d12memory-private.h"
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#include <directx/d3dx12.h>
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GST_DEBUG_CATEGORY_STATIC (gst_d3d12_buffer_pool_debug);
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#define GST_CAT_DEFAULT gst_d3d12_buffer_pool_debug
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struct _GstD3D12BufferPoolPrivate
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{
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GstD3D12Allocator *alloc[GST_VIDEO_MAX_PLANES];
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GstD3D12AllocationParams *d3d12_params;
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gint stride[GST_VIDEO_MAX_PLANES];
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gsize offset[GST_VIDEO_MAX_PLANES];
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};
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#define gst_d3d12_buffer_pool_parent_class parent_class
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G_DEFINE_TYPE_WITH_PRIVATE (GstD3D12BufferPool,
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gst_d3d12_buffer_pool, GST_TYPE_BUFFER_POOL);
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static void gst_d3d12_buffer_pool_dispose (GObject * object);
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static const gchar **gst_d3d12_buffer_pool_get_options (GstBufferPool * pool);
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static gboolean gst_d3d12_buffer_pool_set_config (GstBufferPool * pool,
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GstStructure * config);
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static GstFlowReturn gst_d3d12_buffer_pool_alloc_buffer (GstBufferPool * pool,
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GstBuffer ** buffer, GstBufferPoolAcquireParams * params);
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static GstFlowReturn gst_d3d12_buffer_pool_acquire_buffer (GstBufferPool * pool,
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GstBuffer ** buffer, GstBufferPoolAcquireParams * params);
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static gboolean gst_d3d12_buffer_pool_start (GstBufferPool * pool);
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static gboolean gst_d3d12_buffer_pool_stop (GstBufferPool * pool);
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static void
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gst_d3d12_buffer_pool_class_init (GstD3D12BufferPoolClass * klass)
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{
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auto object_class = G_OBJECT_CLASS (klass);
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auto pool_class = GST_BUFFER_POOL_CLASS (klass);
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object_class->dispose = gst_d3d12_buffer_pool_dispose;
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pool_class->get_options = gst_d3d12_buffer_pool_get_options;
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pool_class->set_config = gst_d3d12_buffer_pool_set_config;
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pool_class->alloc_buffer = gst_d3d12_buffer_pool_alloc_buffer;
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pool_class->acquire_buffer = gst_d3d12_buffer_pool_acquire_buffer;
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pool_class->start = gst_d3d12_buffer_pool_start;
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pool_class->stop = gst_d3d12_buffer_pool_stop;
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GST_DEBUG_CATEGORY_INIT (gst_d3d12_buffer_pool_debug, "d3d12bufferpool", 0,
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"d3d12bufferpool");
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}
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static void
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gst_d3d12_buffer_pool_init (GstD3D12BufferPool * self)
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{
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self->priv = (GstD3D12BufferPoolPrivate *)
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gst_d3d12_buffer_pool_get_instance_private (self);
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}
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static void
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gst_d3d12_buffer_pool_clear_allocator (GstD3D12BufferPool * self)
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{
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auto priv = self->priv;
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guint i;
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for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
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if (priv->alloc[i]) {
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gst_d3d12_allocator_set_active (priv->alloc[i], FALSE);
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gst_clear_object (&priv->alloc[i]);
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}
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}
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}
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static void
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gst_d3d12_buffer_pool_dispose (GObject * object)
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{
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auto self = GST_D3D12_BUFFER_POOL (object);
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auto priv = self->priv;
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g_clear_pointer (&priv->d3d12_params, gst_d3d12_allocation_params_free);
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gst_clear_object (&self->device);
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gst_d3d12_buffer_pool_clear_allocator (self);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static const gchar **
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gst_d3d12_buffer_pool_get_options (GstBufferPool * pool)
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{
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/* NOTE: d3d12 memory does not support alignment */
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static const gchar *options[] =
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{ GST_BUFFER_POOL_OPTION_VIDEO_META, nullptr };
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return options;
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}
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static void
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gst_d3d12_buffer_pool_do_align (D3D12_RESOURCE_DESC & desc)
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{
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UINT width_align =
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D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::GetWidthAlignment (desc.Format);
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UINT height_align =
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D3D12_PROPERTY_LAYOUT_FORMAT_TABLE::GetHeightAlignment (desc.Format);
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if (width_align > 1)
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desc.Width = GST_ROUND_UP_N (desc.Width, (UINT64) width_align);
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if (height_align > 1)
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desc.Height = GST_ROUND_UP_N (desc.Height, height_align);
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}
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static gboolean
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gst_d3d12_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
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{
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auto self = GST_D3D12_BUFFER_POOL (pool);
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auto priv = self->priv;
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GstVideoInfo info;
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GstCaps *caps = nullptr;
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guint min_buffers, max_buffers;
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D3D12_RESOURCE_DESC desc[GST_VIDEO_MAX_PLANES];
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D3D12_HEAP_PROPERTIES heap_props =
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CD3DX12_HEAP_PROPERTIES (D3D12_HEAP_TYPE_DEFAULT);
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if (!gst_buffer_pool_config_get_params (config, &caps, nullptr, &min_buffers,
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&max_buffers)) {
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GST_WARNING_OBJECT (self, "invalid config");
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return FALSE;
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}
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if (!caps) {
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GST_WARNING_OBJECT (self, "Empty caps");
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return FALSE;
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}
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/* now parse the caps from the config */
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if (!gst_video_info_from_caps (&info, caps)) {
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GST_WARNING_OBJECT (self, "Invalid caps %" GST_PTR_FORMAT, caps);
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return FALSE;
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}
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GST_LOG_OBJECT (self, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
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caps);
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gst_d3d12_buffer_pool_clear_allocator (self);
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memset (priv->stride, 0, sizeof (priv->stride));
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memset (priv->offset, 0, sizeof (priv->offset));
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g_clear_pointer (&priv->d3d12_params, gst_d3d12_allocation_params_free);
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priv->d3d12_params =
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gst_buffer_pool_config_get_d3d12_allocation_params (config);
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if (!priv->d3d12_params) {
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GstD3D12Format format;
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gst_d3d12_device_get_format (self->device, GST_VIDEO_INFO_FORMAT (&info),
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&format);
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D3D12_RESOURCE_FLAGS resource_flags =
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D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS;
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if ((format.support1 & D3D12_FORMAT_SUPPORT1_RENDER_TARGET) ==
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D3D12_FORMAT_SUPPORT1_RENDER_TARGET) {
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resource_flags |= D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET;
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}
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if ((format.support1 & D3D12_FORMAT_SUPPORT1_TYPED_UNORDERED_ACCESS_VIEW) ==
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D3D12_FORMAT_SUPPORT1_TYPED_UNORDERED_ACCESS_VIEW &&
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(format.format_flags & GST_D3D12_FORMAT_FLAG_OUTPUT_UAV) ==
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GST_D3D12_FORMAT_FLAG_OUTPUT_UAV) {
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resource_flags |= D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS;
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}
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priv->d3d12_params =
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gst_d3d12_allocation_params_new (self->device,
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&info, GST_D3D12_ALLOCATION_FLAG_DEFAULT,
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resource_flags, D3D12_HEAP_FLAG_SHARED);
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}
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auto device = gst_d3d12_device_get_device_handle (self->device);
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const auto params = priv->d3d12_params;
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memset (desc, 0, sizeof (desc));
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gsize total_mem_size = 0;
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D3D12_PLACED_SUBRESOURCE_FOOTPRINT layout[GST_VIDEO_MAX_PLANES];
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if (params->d3d12_format.dxgi_format != DXGI_FORMAT_UNKNOWN) {
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desc[0] = CD3DX12_RESOURCE_DESC::Tex2D (params->d3d12_format.dxgi_format,
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params->aligned_info.width, params->aligned_info.height,
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params->array_size, 1, 1, 0, params->resource_flags);
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gst_d3d12_buffer_pool_do_align (desc[0]);
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auto alloc = (GstD3D12Allocator *)
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gst_d3d12_pool_allocator_new (self->device,
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&heap_props, params->heap_flags, &desc[0],
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D3D12_RESOURCE_STATE_COMMON, nullptr);
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auto num_planes = D3D12GetFormatPlaneCount (device,
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params->d3d12_format.dxgi_format);
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auto single_array_desc = desc[0];
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single_array_desc.DepthOrArraySize = 1;
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UINT64 mem_size;
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device->GetCopyableFootprints (&single_array_desc, 0, num_planes, 0,
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layout, nullptr, nullptr, &mem_size);
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total_mem_size = mem_size;
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for (guint i = 0; i < num_planes; i++) {
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priv->stride[i] = layout[i].Footprint.RowPitch;
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priv->offset[i] = layout[i].Offset;
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}
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priv->alloc[0] = alloc;
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} else {
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auto finfo = params->aligned_info.finfo;
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for (guint i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
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if (params->d3d12_format.resource_format[i] == DXGI_FORMAT_UNKNOWN)
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break;
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gint comp[GST_VIDEO_MAX_COMPONENTS];
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gst_video_format_info_component (finfo, i, comp);
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guint width = GST_VIDEO_INFO_COMP_WIDTH (¶ms->aligned_info, comp[0]);
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guint height =
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GST_VIDEO_INFO_COMP_HEIGHT (¶ms->aligned_info, comp[0]);
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width = MAX (width, 1);
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height = MAX (height, 1);
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desc[i] =
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CD3DX12_RESOURCE_DESC::Tex2D (params->d3d12_format.resource_format[i],
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width, height, params->array_size, 1, 1, 0, params->resource_flags);
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gst_d3d12_buffer_pool_do_align (desc[i]);
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auto alloc = (GstD3D12Allocator *)
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gst_d3d12_pool_allocator_new (self->device,
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&heap_props, params->heap_flags, &desc[i],
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D3D12_RESOURCE_STATE_COMMON, nullptr);
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UINT64 mem_size;
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device->GetCopyableFootprints (&desc[i], 0, 1, 0,
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&layout[i], nullptr, nullptr, &mem_size);
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priv->stride[i] = layout[i].Footprint.RowPitch;
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priv->offset[i] = total_mem_size;
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total_mem_size += mem_size;
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priv->alloc[i] = alloc;
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}
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}
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if (params->array_size > 1)
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max_buffers = params->array_size;
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gst_buffer_pool_config_set_params (config,
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caps, total_mem_size, min_buffers, max_buffers);
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return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config);
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}
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static GstFlowReturn
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gst_d3d12_buffer_pool_fill_buffer (GstD3D12BufferPool * self, GstBuffer * buf)
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{
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auto priv = self->priv;
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GstFlowReturn ret = GST_FLOW_OK;
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guint i;
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for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
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GstMemory *mem = nullptr;
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auto alloc = (GstD3D12PoolAllocator *) priv->alloc[i];
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if (!alloc)
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break;
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ret = gst_d3d12_pool_allocator_acquire_memory (alloc, &mem);
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if (ret != GST_FLOW_OK) {
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GST_WARNING_OBJECT (self, "Failed to acquire memory, ret %s",
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gst_flow_get_name (ret));
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return ret;
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}
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auto dmem = (GstD3D12Memory *) mem;
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GST_MINI_OBJECT_FLAG_UNSET (dmem, GST_D3D12_MEMORY_TRANSFER_NEED_UPLOAD);
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gst_d3d12_memory_sync (dmem);
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gst_buffer_append_memory (buf, mem);
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}
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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gst_d3d12_buffer_pool_alloc_buffer (GstBufferPool * pool, GstBuffer ** buffer,
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GstBufferPoolAcquireParams * params)
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{
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auto self = GST_D3D12_BUFFER_POOL (pool);
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auto priv = self->priv;
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GstD3D12AllocationParams *d3d12_params = priv->d3d12_params;
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GstVideoInfo *info = &d3d12_params->info;
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GstBuffer *buf;
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GstFlowReturn ret = GST_FLOW_OK;
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buf = gst_buffer_new ();
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ret = gst_d3d12_buffer_pool_fill_buffer (self, buf);
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if (ret != GST_FLOW_OK) {
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gst_buffer_unref (buf);
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return ret;
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}
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gst_buffer_add_video_meta_full (buf, GST_VIDEO_FRAME_FLAG_NONE,
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GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_WIDTH (info),
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GST_VIDEO_INFO_HEIGHT (info), GST_VIDEO_INFO_N_PLANES (info),
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priv->offset, priv->stride);
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*buffer = buf;
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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gst_d3d12_buffer_pool_acquire_buffer (GstBufferPool * pool,
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GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
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{
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GstFlowReturn ret;
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ret = GST_BUFFER_POOL_CLASS (parent_class)->acquire_buffer (pool,
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buffer, params);
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if (ret != GST_FLOW_OK)
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return ret;
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guint num_mems = gst_buffer_n_memory (*buffer);
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for (guint i = 0; i < num_mems; i++) {
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auto mem = (GstD3D12Memory *) gst_buffer_peek_memory (*buffer, i);
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GST_MINI_OBJECT_FLAG_UNSET (mem, GST_D3D12_MEMORY_TRANSFER_NEED_UPLOAD);
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gst_d3d12_memory_sync (mem);
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}
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return ret;
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}
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static gboolean
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gst_d3d12_buffer_pool_start (GstBufferPool * pool)
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{
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auto self = GST_D3D12_BUFFER_POOL (pool);
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auto priv = self->priv;
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guint i;
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GST_DEBUG_OBJECT (self, "Start");
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for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
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GstD3D12Allocator *alloc = priv->alloc[i];
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if (!alloc)
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break;
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if (!gst_d3d12_allocator_set_active (alloc, TRUE)) {
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GST_ERROR_OBJECT (self, "Failed to activate allocator");
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return FALSE;
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}
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}
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return TRUE;
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}
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static gboolean
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gst_d3d12_buffer_pool_stop (GstBufferPool * pool)
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{
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auto self = GST_D3D12_BUFFER_POOL (pool);
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auto priv = self->priv;
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guint i;
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GST_DEBUG_OBJECT (self, "Stop");
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for (i = 0; i < G_N_ELEMENTS (priv->alloc); i++) {
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GstD3D12Allocator *alloc = priv->alloc[i];
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if (!alloc)
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break;
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if (!gst_d3d12_allocator_set_active (alloc, FALSE)) {
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GST_ERROR_OBJECT (self, "Failed to deactivate allocator");
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return FALSE;
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}
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}
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return GST_BUFFER_POOL_CLASS (parent_class)->stop (pool);
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}
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/**
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* gst_d3d12_buffer_pool_new:
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* @device: a #GstD3D12Device to use
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*
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* Returns: (transfer full): a #GstBufferPool that allocates buffers with
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* #GstD3D12Memory
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*
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* Since: 1.26
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*/
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GstBufferPool *
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gst_d3d12_buffer_pool_new (GstD3D12Device * device)
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{
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g_return_val_if_fail (GST_IS_D3D12_DEVICE (device), nullptr);
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auto self = (GstD3D12BufferPool *)
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g_object_new (GST_TYPE_D3D12_BUFFER_POOL, nullptr);
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gst_object_ref_sink (self);
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self->device = (GstD3D12Device *) gst_object_ref (device);
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return GST_BUFFER_POOL_CAST (self);
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}
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/**
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* gst_buffer_pool_config_get_d3d12_allocation_params:
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* @config: a buffer pool config
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*
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* Returns: (transfer full) (nullable): the currently configured
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* #GstD3D12AllocationParams on @config or %NULL if @config doesn't contain
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* #GstD3D12AllocationParams
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*
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* Since: 1.26
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*/
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GstD3D12AllocationParams *
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gst_buffer_pool_config_get_d3d12_allocation_params (GstStructure * config)
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{
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GstD3D12AllocationParams *ret = nullptr;
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if (!gst_structure_get (config, "d3d12-allocation-params",
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GST_TYPE_D3D12_ALLOCATION_PARAMS, &ret, nullptr)) {
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return nullptr;
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}
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return ret;
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}
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/**
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* gst_buffer_pool_config_set_d3d12_allocation_params:
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* @config: a buffer pool config
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* @params: (transfer none): a #GstD3D12AllocationParams
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*
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* Sets @params on @config
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*
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* Since: 1.26
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*/
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void
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gst_buffer_pool_config_set_d3d12_allocation_params (GstStructure * config,
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GstD3D12AllocationParams * params)
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|
{
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|
g_return_if_fail (config);
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|
g_return_if_fail (params);
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|
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gst_structure_set (config, "d3d12-allocation-params",
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|
GST_TYPE_D3D12_ALLOCATION_PARAMS, params, nullptr);
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|
}
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