d3d12: Add upload element

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5870>

subprojects/gst-plugins-bad/sys/d3d12/gstd3d12upload.cpp

@@ -0,0 +1,321 @@
+/* GStreamer
+ * Copyright (C) 2023 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 "gstd3d12upload.h"
+#include "gstd3d12bufferpool.h"
+#include "gstd3d12format.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_d3d12_upload_debug);
+#define GST_CAT_DEFAULT gst_d3d12_upload_debug
+
+static GstStaticPadTemplate sink_template =
+    GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
+        (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY, GST_D3D12_ALL_FORMATS) "; "
+        GST_VIDEO_CAPS_MAKE_WITH_FEATURES
+        (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY ","
+            GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
+            GST_D3D12_ALL_FORMATS) "; "
+        GST_VIDEO_CAPS_MAKE (GST_D3D12_ALL_FORMATS) "; "
+        GST_VIDEO_CAPS_MAKE_WITH_FEATURES
+        (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY ","
+            GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
+            GST_D3D12_ALL_FORMATS)));
+
+static GstStaticPadTemplate src_template =
+    GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
+        (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY, GST_D3D12_ALL_FORMATS) "; "
+        GST_VIDEO_CAPS_MAKE_WITH_FEATURES
+        (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY ","
+            GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
+            GST_D3D12_ALL_FORMATS) "; "
+        GST_VIDEO_CAPS_MAKE (GST_D3D12_ALL_FORMATS) "; "
+        GST_VIDEO_CAPS_MAKE_WITH_FEATURES
+        (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY ","
+            GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
+            GST_D3D12_ALL_FORMATS)));
+
+struct _GstD3D12Upload
+{
+  GstD3D12BaseFilter parent;
+};
+
+#define gst_d3d12_upload_parent_class parent_class
+G_DEFINE_TYPE (GstD3D12Upload, gst_d3d12_upload, GST_TYPE_D3D12_BASE_FILTER);
+
+static GstCaps *gst_d3d12_upload_transform_caps (GstBaseTransform * trans,
+    GstPadDirection direction, GstCaps * caps, GstCaps * filter);
+static gboolean gst_d3d12_upload_propose_allocation (GstBaseTransform * trans,
+    GstQuery * decide_query, GstQuery * query);
+static gboolean gst_d3d12_upload_decide_allocation (GstBaseTransform * trans,
+    GstQuery * query);
+static GstFlowReturn gst_d3d12_upload_transform (GstBaseTransform * trans,
+    GstBuffer * inbuf, GstBuffer * outbuf);
+
+static void
+gst_d3d12_upload_class_init (GstD3D12UploadClass * klass)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+  GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
+
+  gst_element_class_add_static_pad_template (element_class, &sink_template);
+  gst_element_class_add_static_pad_template (element_class, &src_template);
+
+  gst_element_class_set_static_metadata (element_class,
+      "Direct3D12 Uploader", "Filter/Video",
+      "Uploads system memory into Direct3D12 texture memory",
+      "Seungha Yang <seungha@centricular.com>");
+
+  trans_class->passthrough_on_same_caps = TRUE;
+
+  trans_class->transform_caps =
+      GST_DEBUG_FUNCPTR (gst_d3d12_upload_transform_caps);
+  trans_class->propose_allocation =
+      GST_DEBUG_FUNCPTR (gst_d3d12_upload_propose_allocation);
+  trans_class->decide_allocation =
+      GST_DEBUG_FUNCPTR (gst_d3d12_upload_decide_allocation);
+  trans_class->transform = GST_DEBUG_FUNCPTR (gst_d3d12_upload_transform);
+
+  GST_DEBUG_CATEGORY_INIT (gst_d3d12_upload_debug,
+      "d3d12upload", 0, "d3d12upload Element");
+}
+
+static void
+gst_d3d12_upload_init (GstD3D12Upload * self)
+{
+}
+
+static GstCaps *
+_set_caps_features (const GstCaps * caps, const gchar * feature_name)
+{
+  GstCaps *tmp = gst_caps_copy (caps);
+  guint n = gst_caps_get_size (tmp);
+  guint i = 0;
+
+  for (i = 0; i < n; i++) {
+    gst_caps_set_features (tmp, i,
+        gst_caps_features_from_string (feature_name));
+  }
+
+  return tmp;
+}
+
+static GstCaps *
+gst_d3d12_upload_transform_caps (GstBaseTransform * trans,
+    GstPadDirection direction, GstCaps * caps, GstCaps * filter)
+{
+  GstCaps *result, *tmp;
+
+  GST_DEBUG_OBJECT (trans,
+      "Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
+      (direction == GST_PAD_SINK) ? "sink" : "src");
+
+  if (direction == GST_PAD_SINK) {
+    tmp = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY);
+    tmp = gst_caps_merge (gst_caps_ref (caps), tmp);
+  } else {
+    GstCaps *newcaps;
+    tmp = gst_caps_ref (caps);
+
+    newcaps = _set_caps_features (caps, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
+    tmp = gst_caps_merge (tmp, newcaps);
+  }
+
+  if (filter) {
+    result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
+    gst_caps_unref (tmp);
+  } else {
+    result = tmp;
+  }
+
+  GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, result);
+
+  return result;
+}
+
+static gboolean
+gst_d3d12_upload_propose_allocation (GstBaseTransform * trans,
+    GstQuery * decide_query, GstQuery * query)
+{
+  GstD3D12BaseFilter *filter = GST_D3D12_BASE_FILTER (trans);
+  GstVideoInfo info;
+  GstBufferPool *pool;
+  GstCaps *caps;
+  guint size;
+  gboolean is_d3d12 = FALSE;
+
+  if (!GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
+          decide_query, query))
+    return FALSE;
+
+  /* passthrough, we're done */
+  if (!decide_query)
+    return TRUE;
+
+  gst_query_parse_allocation (query, &caps, nullptr);
+
+  if (!caps) {
+    GST_WARNING_OBJECT (filter, "Allocation query without caps");
+    return FALSE;
+  }
+
+  if (!gst_video_info_from_caps (&info, caps))
+    return FALSE;
+
+  if (gst_query_get_n_allocation_pools (query) == 0) {
+    GstCapsFeatures *features;
+    GstStructure *config;
+
+    features = gst_caps_get_features (caps, 0);
+
+    if (features && gst_caps_features_contains (features,
+            GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY)) {
+      GST_DEBUG_OBJECT (filter, "upstream support d3d12 memory");
+      pool = gst_d3d12_buffer_pool_new (filter->device);
+      is_d3d12 = TRUE;
+    } else {
+      pool = gst_video_buffer_pool_new ();
+    }
+
+    config = gst_buffer_pool_get_config (pool);
+
+    gst_buffer_pool_config_add_option (config,
+        GST_BUFFER_POOL_OPTION_VIDEO_META);
+    if (!is_d3d12) {
+      gst_buffer_pool_config_add_option (config,
+          GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
+    }
+
+    size = GST_VIDEO_INFO_SIZE (&info);
+    gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
+
+    if (!gst_buffer_pool_set_config (pool, config)) {
+      GST_ERROR_OBJECT (filter, "Bufferpool config failed");
+      gst_object_unref (pool);
+      return FALSE;
+    }
+
+    /* d3d12 buffer pool will update buffer size based on allocated texture,
+     * get size from config again */
+    config = gst_buffer_pool_get_config (pool);
+    gst_buffer_pool_config_get_params (config,
+        nullptr, &size, nullptr, nullptr);
+    gst_structure_free (config);
+
+    gst_query_add_allocation_pool (query, pool, size, 0, 0);
+    gst_object_unref (pool);
+  }
+
+  gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, nullptr);
+  gst_query_add_allocation_meta (query,
+      GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, nullptr);
+
+  return TRUE;
+}
+
+static gboolean
+gst_d3d12_upload_decide_allocation (GstBaseTransform * trans, GstQuery * query)
+{
+  GstBufferPool *pool = nullptr;
+  GstStructure *config;
+  guint min, max, size;
+  gboolean update_pool;
+  GstCaps *outcaps = nullptr;
+
+  gst_query_parse_allocation (query, &outcaps, nullptr);
+
+  if (!outcaps) {
+    GST_WARNING_OBJECT (trans, "Allocation query without caps");
+    return FALSE;
+  }
+
+  if (gst_query_get_n_allocation_pools (query) > 0) {
+    gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
+
+    update_pool = TRUE;
+  } else {
+    GstVideoInfo vinfo;
+
+    gst_video_info_from_caps (&vinfo, outcaps);
+    size = vinfo.size;
+    min = max = 0;
+    update_pool = FALSE;
+  }
+
+  if (!pool) {
+    pool = gst_video_buffer_pool_new ();
+  }
+
+  config = gst_buffer_pool_get_config (pool);
+  gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
+  gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
+  gst_buffer_pool_set_config (pool, config);
+
+  /* d3d12 buffer pool will update buffer size based on allocated texture,
+   * get size from config again */
+  config = gst_buffer_pool_get_config (pool);
+  gst_buffer_pool_config_get_params (config, nullptr, &size, nullptr, nullptr);
+  gst_structure_free (config);
+
+  if (update_pool)
+    gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
+  else
+    gst_query_add_allocation_pool (query, pool, size, min, max);
+
+  gst_object_unref (pool);
+
+  return GST_BASE_TRANSFORM_CLASS (parent_class)->decide_allocation (trans,
+      query);
+}
+
+static GstFlowReturn
+gst_d3d12_upload_transform (GstBaseTransform * trans, GstBuffer * inbuf,
+    GstBuffer * outbuf)
+{
+  GstD3D12BaseFilter *filter = GST_D3D12_BASE_FILTER (trans);
+  GstVideoFrame in_frame, out_frame;
+  GstFlowReturn ret = GST_FLOW_OK;
+
+  if (!gst_video_frame_map (&in_frame, &filter->in_info, inbuf, GST_MAP_READ)) {
+    GST_ERROR_OBJECT (filter, "Couldn't map input frame");
+    return GST_FLOW_ERROR;
+  }
+
+  if (!gst_video_frame_map (&out_frame,
+          &filter->out_info, outbuf, GST_MAP_WRITE)) {
+    GST_ERROR_OBJECT (filter, "Couldn't map output frame");
+    gst_video_frame_unmap (&in_frame);
+    return GST_FLOW_ERROR;
+  }
+
+  if (!gst_video_frame_copy (&out_frame, &in_frame)) {
+    GST_ERROR_OBJECT (filter, "Copy failed");
+    ret = GST_FLOW_ERROR;
+  }
+
+  gst_video_frame_unmap (&out_frame);
+  gst_video_frame_unmap (&in_frame);
+
+  return ret;
+}

subprojects/gst-plugins-bad/sys/d3d12/gstd3d12upload.h

@@ -0,0 +1,31 @@
+/* GStreamer
+ * Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include "gstd3d12basefilter.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_D3D12_UPLOAD (gst_d3d12_upload_get_type())
+G_DECLARE_FINAL_TYPE (GstD3D12Upload,
+    gst_d3d12_upload, GST, D3D12_UPLOAD, GstD3D12BaseFilter);
+
+G_END_DECLS
+

subprojects/gst-plugins-bad/sys/d3d12/meson.build

@@ -13,6 +13,7 @@ d3d12_sources = [
   'gstd3d12h264dec.cpp',
   'gstd3d12h265dec.cpp',
   'gstd3d12memory.cpp',
+  'gstd3d12upload.cpp',
   'gstd3d12utils.cpp',
   'gstd3d12vp9dec.cpp',
   'plugin.cpp',

subprojects/gst-plugins-bad/sys/d3d12/plugin.cpp

@@ -30,6 +30,7 @@
 #include <gst/gst.h>
 #include "gstd3d12device.h"
 #include "gstd3d12download.h"
+#include "gstd3d12upload.h"
 #include "gstd3d12h264dec.h"
 #include "gstd3d12h265dec.h"
 #include "gstd3d12vp9dec.h"
@@ -97,6 +98,8 @@ plugin_init (GstPlugin * plugin)
 
   gst_element_register (plugin,
       "d3d12download", GST_RANK_NONE, GST_TYPE_D3D12_DOWNLOAD);
+  gst_element_register (plugin,
+      "d3d12upload", GST_RANK_NONE, GST_TYPE_D3D12_UPLOAD);
 
   return TRUE;
 }