d3d12: Add support for DXGI native packed YUV formats

Adding YUY2, Y210, Y216, and Y416 format support

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7092>

subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12-private.h

@@ -42,8 +42,8 @@
 
 /* DXGI (semi) native formats */
 #define GST_D3D12_TIER_0_FORMATS \
-    "RGBA64_LE, RGB10A2_LE, Y410, VUYA, RGBA, BGRA, RBGA, P016_LE, P012_LE, " \
+    "RGBA64_LE, Y416_LE, Y412_LE, RGB10A2_LE, Y410, Y216_LE, Y212_LE, Y210, " \
-    "P010_10LE, RGBx, BGRx, NV12"
+    "VUYA, RGBA, BGRA, RBGA, P016_LE, P012_LE, P010_10LE, RGBx, BGRx, YUY2, NV12"
 
 /* both SRV and RTV are supported */
 #define GST_D3D12_TIER_1_FORMATS \

subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12converter-pack.cpp

@@ -147,18 +147,32 @@ gst_d3d12_pack_new (GstD3D12Device * device,
   priv->in_info = *converter_output_info;
   priv->out_info = *converter_output_info;
 
-  switch (GST_VIDEO_INFO_FORMAT (converter_output_info)) {
+  auto conv_format = GST_VIDEO_FORMAT_UNKNOWN;
+  auto format = GST_VIDEO_INFO_FORMAT (converter_output_info);
+  switch (format) {
+    case GST_VIDEO_FORMAT_YUY2:
+      conv_format = GST_VIDEO_FORMAT_AYUV;
+      break;
     case GST_VIDEO_FORMAT_Y410:
-      priv->need_process = true;
+    case GST_VIDEO_FORMAT_Y412_LE:
-      gst_video_info_set_format (&priv->in_info, GST_VIDEO_FORMAT_AYUV64,
+    case GST_VIDEO_FORMAT_Y416_LE:
-          converter_output_info->width, converter_output_info->height);
+    case GST_VIDEO_FORMAT_Y210:
-      priv->in_info.colorimetry = converter_output_info->colorimetry;
+    case GST_VIDEO_FORMAT_Y212_LE:
-      priv->in_info.chroma_site = converter_output_info->chroma_site;
+    case GST_VIDEO_FORMAT_Y216_LE:
+      conv_format = GST_VIDEO_FORMAT_AYUV64;
       break;
     default:
       return self;
   }
 
+  g_assert (conv_format != GST_VIDEO_FORMAT_UNKNOWN);
+
+  priv->need_process = true;
+  gst_video_info_set_format (&priv->in_info, conv_format,
+      converter_output_info->width, converter_output_info->height);
+  priv->in_info.colorimetry = converter_output_info->colorimetry;
+  priv->in_info.chroma_site = converter_output_info->chroma_site;
+
   auto dev_handle = gst_d3d12_device_get_device_handle (device);
   priv->heap_inc_size = dev_handle->GetDescriptorHandleIncrementSize
       (D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);

subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12converter-unpack.cpp

@@ -0,0 +1,476 @@
+/* GStreamer
+ * Copyright (C) 2024 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 "gstd3d12.h"
+#include "gstd3d12-private.h"
+#include <gst/d3dshader/gstd3dshader.h>
+#include "gstd3d12converter-unpack.h"
+#include <directx/d3dx12.h>
+#include <wrl.h>
+#include <math.h>
+
+GST_DEBUG_CATEGORY_EXTERN (gst_d3d12_converter_debug);
+#define GST_CAT_DEFAULT gst_d3d12_converter_debug
+
+/* *INDENT-OFF* */
+using namespace Microsoft::WRL;
+/* *INDENT-ON* */
+
+struct GstD3D12UnpackPrivate
+{
+  ~GstD3D12UnpackPrivate ()
+  {
+    if (upload_pool)
+      gst_buffer_pool_set_active (upload_pool, FALSE);
+    if (output_pool)
+      gst_buffer_pool_set_active (output_pool, FALSE);
+    gst_clear_object (&upload_pool);
+    gst_clear_object (&output_pool);
+    gst_clear_object (&desc_pool);
+    gst_clear_object (&device);
+  }
+
+  GstD3D12Device *device = nullptr;
+  GstVideoInfo in_info;
+  GstVideoInfo out_info;
+  GstVideoInfo upload_info;
+  GstVideoInfo pool_info;
+
+  ComPtr < ID3D12RootSignature > rs_typed;
+  ComPtr < ID3D12PipelineState > pso_typed;
+  guint tg_x = 0;
+  guint tg_y = 0;
+  guint x_unit = 8;
+  guint y_unit = 8;
+
+  GstD3D12DescriptorPool *desc_pool = nullptr;
+
+  GstBufferPool *upload_pool = nullptr;
+  GstBufferPool *output_pool = nullptr;
+  bool need_process = false;
+  guint heap_inc_size;
+};
+
+struct _GstD3D12Unpack
+{
+  GstObject parent;
+
+  GstD3D12Device *device;
+  GstD3D12UnpackPrivate *priv;
+};
+
+static void gst_d3d12_unpack_finalize (GObject * object);
+
+#define gst_d3d12_unpack_parent_class parent_class
+G_DEFINE_TYPE (GstD3D12Unpack, gst_d3d12_unpack, GST_TYPE_OBJECT);
+
+static void
+gst_d3d12_unpack_class_init (GstD3D12UnpackClass * klass)
+{
+  auto object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = gst_d3d12_unpack_finalize;
+}
+
+static void
+gst_d3d12_unpack_init (GstD3D12Unpack * self)
+{
+  self->priv = new GstD3D12UnpackPrivate ();
+}
+
+static void
+gst_d3d12_unpack_finalize (GObject * object)
+{
+  auto self = GST_D3D12_UNPACK (object);
+
+  delete self->priv;
+  gst_clear_object (&self->device);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static GstBufferPool *
+gst_d3d12_unpacker_create_pool (GstD3D12Unpack * self,
+    const GstVideoInfo * info, D3D12_RESOURCE_FLAGS resource_flags)
+{
+  auto priv = self->priv;
+  auto pool = gst_d3d12_buffer_pool_new (priv->device);
+  auto caps = gst_video_info_to_caps (info);
+  auto config = gst_buffer_pool_get_config (pool);
+  auto params = gst_d3d12_allocation_params_new (priv->device, info,
+      GST_D3D12_ALLOCATION_FLAG_DEFAULT, resource_flags, D3D12_HEAP_FLAG_NONE);
+  gst_buffer_pool_config_set_d3d12_allocation_params (config, params);
+  gst_d3d12_allocation_params_free (params);
+  gst_buffer_pool_config_set_params (config, caps, priv->out_info.size, 0, 0);
+  gst_caps_unref (caps);
+
+  if (!gst_buffer_pool_set_config (pool, config)) {
+    GST_ERROR_OBJECT (self, "Couldn't set pool config");
+    gst_object_unref (pool);
+    return nullptr;
+  }
+
+  if (!gst_buffer_pool_set_active (pool, TRUE)) {
+    GST_ERROR_OBJECT (self, "Couldn't set active");
+    gst_object_unref (pool);
+    return nullptr;
+  }
+
+  return pool;
+}
+
+GstD3D12Unpack *
+gst_d3d12_unpack_new (GstD3D12Device * device,
+    const GstVideoInfo * converter_input_info)
+{
+  g_return_val_if_fail (GST_IS_D3D12_DEVICE (device), nullptr);
+  g_return_val_if_fail (converter_input_info, nullptr);
+
+  auto self = (GstD3D12Unpack *) g_object_new (GST_TYPE_D3D12_UNPACK, nullptr);
+  gst_object_ref_sink (self);
+
+  auto priv = self->priv;
+
+  priv->device = (GstD3D12Device *) gst_object_ref (device);
+  priv->in_info = *converter_input_info;
+  priv->out_info = *converter_input_info;
+  priv->upload_info = *converter_input_info;
+  priv->pool_info = *converter_input_info;
+
+  auto conv_format = GST_VIDEO_FORMAT_UNKNOWN;
+  auto format = GST_VIDEO_INFO_FORMAT (converter_input_info);
+  switch (format) {
+    case GST_VIDEO_FORMAT_YUY2:
+      conv_format = GST_VIDEO_FORMAT_AYUV;
+      break;
+    case GST_VIDEO_FORMAT_Y210:
+    case GST_VIDEO_FORMAT_Y212_LE:
+    case GST_VIDEO_FORMAT_Y216_LE:
+      conv_format = GST_VIDEO_FORMAT_AYUV64;
+      break;
+    default:
+      return self;
+  }
+
+  g_assert (conv_format != GST_VIDEO_FORMAT_UNKNOWN);
+
+  priv->need_process = true;
+  gst_video_info_set_format (&priv->out_info, conv_format,
+      converter_input_info->width, converter_input_info->height);
+  priv->out_info.colorimetry = converter_input_info->colorimetry;
+  priv->out_info.chroma_site = converter_input_info->chroma_site;
+  priv->pool_info = priv->out_info;
+
+  auto dev_handle = gst_d3d12_device_get_device_handle (device);
+  priv->heap_inc_size = dev_handle->GetDescriptorHandleIncrementSize
+      (D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
+
+  D3D12_DESCRIPTOR_HEAP_DESC heap_desc = { };
+  heap_desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
+  heap_desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
+  heap_desc.NumDescriptors = 2;
+
+  priv->desc_pool = gst_d3d12_descriptor_pool_new (dev_handle, &heap_desc);
+
+  D3D12_ROOT_SIGNATURE_FLAGS rs_flags =
+      D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS |
+      D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS |
+      D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS |
+      D3D12_ROOT_SIGNATURE_FLAG_DENY_AMPLIFICATION_SHADER_ROOT_ACCESS |
+      D3D12_ROOT_SIGNATURE_FLAG_DENY_MESH_SHADER_ROOT_ACCESS;
+
+  D3D_ROOT_SIGNATURE_VERSION rs_version = D3D_ROOT_SIGNATURE_VERSION_1_0;
+
+  CD3DX12_ROOT_PARAMETER param;
+  CD3DX12_DESCRIPTOR_RANGE range[2];
+  range[0].Init (D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0, 0);
+  range[1].Init (D3D12_DESCRIPTOR_RANGE_TYPE_UAV, 1, 0, 0);
+
+  param.InitAsDescriptorTable (2, range);
+
+  D3D12_VERSIONED_ROOT_SIGNATURE_DESC rs_desc = { };
+
+  ComPtr < ID3DBlob > rs_blob;
+  ComPtr < ID3DBlob > error_blob;
+  CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC::Init_1_0 (rs_desc, 1, &param,
+      0, nullptr, rs_flags);
+  auto hr = D3DX12SerializeVersionedRootSignature (&rs_desc,
+      rs_version, &rs_blob, &error_blob);
+  if (!gst_d3d12_result (hr, device)) {
+    const gchar *error_msg = nullptr;
+    if (error_blob)
+      error_msg = (const gchar *) error_blob->GetBufferPointer ();
+    GST_ERROR_OBJECT (self,
+        "Couldn't serialize root signature, hr: 0x%x, error detail: %s",
+        (guint) hr, GST_STR_NULL (error_msg));
+    gst_object_unref (self);
+    return nullptr;
+  }
+
+  hr = dev_handle->CreateRootSignature (0, rs_blob->GetBufferPointer (),
+      rs_blob->GetBufferSize (), IID_PPV_ARGS (&priv->rs_typed));
+  if (!gst_d3d12_result (hr, device)) {
+    GST_ERROR_OBJECT (device, "Couldn't create root signature");
+    gst_object_unref (self);
+    return nullptr;
+  }
+
+  GstD3DConverterCSByteCode bytecode;
+  if (!gst_d3d_converter_shader_get_cs_blob (GST_VIDEO_INFO_FORMAT
+          (&priv->in_info), GST_VIDEO_INFO_FORMAT (&priv->out_info),
+          GST_D3D_SM_5_0, &bytecode)) {
+    GST_ERROR_OBJECT (device, "Couldn't get shader blob");
+    gst_object_unref (self);
+    return nullptr;
+  }
+
+  priv->tg_x = (guint) ceil (priv->in_info.width / (float) bytecode.x_unit);
+  priv->tg_y = (guint) ceil (priv->in_info.height / (float) bytecode.y_unit);
+
+  priv->x_unit = bytecode.x_unit;
+  priv->y_unit = bytecode.x_unit;
+
+  D3D12_COMPUTE_PIPELINE_STATE_DESC pso_desc = { };
+  pso_desc.pRootSignature = priv->rs_typed.Get ();
+  pso_desc.CS.pShaderBytecode = bytecode.byte_code.byte_code;
+  pso_desc.CS.BytecodeLength = bytecode.byte_code.byte_code_len;
+  hr = dev_handle->CreateComputePipelineState (&pso_desc,
+      IID_PPV_ARGS (&priv->pso_typed));
+  if (!gst_d3d12_result (hr, device)) {
+    GST_ERROR_OBJECT (self, "Couldn't create pso");
+    gst_object_unref (self);
+    return nullptr;
+  }
+
+  priv->output_pool = gst_d3d12_unpacker_create_pool (self,
+      &priv->pool_info, D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS |
+      D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS);
+  if (!priv->output_pool) {
+    gst_object_unref (self);
+    return nullptr;
+  }
+
+  return self;
+}
+
+gboolean
+gst_d3d12_unpack_get_video_info (GstD3D12Unpack * unpack,
+    GstVideoInfo * unpack_output_info)
+{
+  g_return_val_if_fail (GST_IS_D3D12_UNPACK (unpack), FALSE);
+  g_return_val_if_fail (unpack_output_info, FALSE);
+
+  auto priv = unpack->priv;
+  *unpack_output_info = priv->out_info;
+
+  return TRUE;
+}
+
+static gboolean
+gst_d3d12_unpack_needs_upload (GstD3D12Unpack * self, GstBuffer * buf)
+{
+  auto priv = self->priv;
+  auto mem = gst_buffer_peek_memory (buf, 0);
+  if (!gst_is_d3d12_memory (mem))
+    return TRUE;
+
+  auto dmem = GST_D3D12_MEMORY_CAST (mem);
+  if (!gst_d3d12_device_is_equal (dmem->device, priv->device))
+    return TRUE;
+
+  auto resource = gst_d3d12_memory_get_resource_handle (dmem);
+  auto desc = GetDesc (resource);
+  if ((desc.Flags & D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE) ==
+      D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE) {
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+static GstBuffer *
+gst_d3d12_unpack_upload (GstD3D12Unpack * self, GstBuffer * in_buf,
+    gint & width, gint & height)
+{
+  auto priv = self->priv;
+  GstBuffer *upload_buf = nullptr;
+
+  auto meta = gst_buffer_get_video_meta (in_buf);
+  if (meta) {
+    width = meta->width;
+    height = meta->height;
+  } else {
+    width = priv->in_info.width;
+    height = priv->in_info.height;
+  }
+
+  if (!gst_d3d12_unpack_needs_upload (self, in_buf))
+    return gst_buffer_ref (in_buf);
+
+  if (priv->upload_info.width != width || priv->upload_info.height != height) {
+    gst_video_info_set_format (&priv->upload_info,
+        GST_VIDEO_INFO_FORMAT (&priv->in_info), width, height);
+    if (priv->upload_pool) {
+      gst_buffer_pool_set_active (priv->upload_pool, FALSE);
+      gst_clear_object (&priv->upload_pool);
+    }
+  }
+
+  if (!priv->upload_pool) {
+    priv->upload_pool = gst_d3d12_unpacker_create_pool (self,
+        &priv->upload_info, D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS);
+    if (!priv->upload_pool)
+      return nullptr;
+  }
+
+  gst_buffer_pool_acquire_buffer (priv->upload_pool, &upload_buf, nullptr);
+  if (!upload_buf) {
+    GST_ERROR_OBJECT (self, "Couldn't acquire fallback buf");
+    return nullptr;
+  }
+
+  if (gst_d3d12_buffer_copy_into (upload_buf, in_buf, &priv->upload_info)) {
+    GST_ERROR_OBJECT (self, "Couldn't copy to upload buffer");
+    gst_buffer_unref (upload_buf);
+    return nullptr;
+  }
+
+  return upload_buf;
+}
+
+static GstBuffer *
+gst_d3d12_unpack_create_output (GstD3D12Unpack * self, gint width, gint height)
+{
+  auto priv = self->priv;
+  if (priv->pool_info.width != width || priv->pool_info.height != height) {
+    if (priv->output_pool)
+      gst_buffer_pool_set_active (priv->output_pool, FALSE);
+    gst_clear_object (&priv->output_pool);
+
+    gst_video_info_set_format (&priv->pool_info,
+        GST_VIDEO_INFO_FORMAT (&priv->out_info), width, height);
+  }
+
+  if (!priv->output_pool) {
+    priv->output_pool = gst_d3d12_unpacker_create_pool (self,
+        &priv->pool_info, D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS |
+        D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS);
+    if (!priv->output_pool)
+      return nullptr;
+
+    priv->tg_x = (guint) ceil (width / (float) priv->x_unit);
+    priv->tg_y = (guint) ceil (height / (float) priv->y_unit);
+  }
+
+  GstBuffer *outbuf = nullptr;
+  gst_buffer_pool_acquire_buffer (priv->output_pool, &outbuf, nullptr);
+
+  return outbuf;
+}
+
+GstBuffer *
+gst_d3d12_unpack_execute (GstD3D12Unpack * unpack, GstBuffer * buffer,
+    GstD3D12FenceData * fence_data, ID3D12GraphicsCommandList * cl)
+{
+  g_return_val_if_fail (GST_IS_D3D12_UNPACK (unpack), FALSE);
+  g_return_val_if_fail (GST_IS_BUFFER (buffer), FALSE);
+  g_return_val_if_fail (fence_data, FALSE);
+  g_return_val_if_fail (cl, FALSE);
+
+  auto priv = unpack->priv;
+  gint width, height;
+  auto upload_buf = gst_d3d12_unpack_upload (unpack, buffer, width, height);
+  if (!upload_buf)
+    return nullptr;
+
+  if (!priv->need_process)
+    return upload_buf;
+
+  auto outbuf = gst_d3d12_unpack_create_output (unpack, width, height);
+  if (!outbuf) {
+    GST_ERROR_OBJECT (unpack, "Couldn't create output buffer");
+    gst_buffer_unref (upload_buf);
+    return nullptr;
+  }
+
+  GstD3D12Frame in_frame;
+  GstD3D12Frame out_frame;
+  if (!gst_d3d12_frame_map (&in_frame, &priv->in_info, upload_buf,
+          GST_MAP_D3D12, GST_D3D12_FRAME_MAP_FLAG_SRV)) {
+    GST_ERROR_OBJECT (unpack, "Couldn't map input frame");
+    gst_buffer_unref (upload_buf);
+    gst_buffer_unref (outbuf);
+    return nullptr;
+  }
+
+  if (!gst_d3d12_frame_map (&out_frame, &priv->out_info, outbuf,
+          GST_MAP_D3D12, GST_D3D12_FRAME_MAP_FLAG_UAV)) {
+    GST_ERROR_OBJECT (unpack, "Couldn't map output frame");
+    gst_d3d12_frame_unmap (&in_frame);
+    gst_buffer_unref (upload_buf);
+    gst_buffer_unref (outbuf);
+    return nullptr;
+  }
+
+  GstD3D12Descriptor *descriptor;
+  if (!gst_d3d12_descriptor_pool_acquire (priv->desc_pool, &descriptor)) {
+    GST_ERROR_OBJECT (unpack, "Couldn't acquire descriptor heap");
+    gst_d3d12_frame_unmap (&in_frame);
+    gst_buffer_unref (upload_buf);
+    gst_buffer_unref (outbuf);
+    return nullptr;
+  }
+
+  gst_d3d12_fence_data_push (fence_data, FENCE_NOTIFY_MINI_OBJECT (descriptor));
+
+  auto device = gst_d3d12_device_get_device_handle (priv->device);
+  auto desc_handle = gst_d3d12_descriptor_get_handle (descriptor);
+  auto desc_cpu_handle = CD3DX12_CPU_DESCRIPTOR_HANDLE
+      (GetCPUDescriptorHandleForHeapStart (desc_handle));
+  device->CopyDescriptorsSimple (1, desc_cpu_handle,
+      in_frame.srv_desc_handle[0], D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
+  desc_cpu_handle.Offset (priv->heap_inc_size);
+  device->CopyDescriptorsSimple (1, desc_cpu_handle,
+      out_frame.uav_desc_handle[0], D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
+
+  cl->SetComputeRootSignature (priv->rs_typed.Get ());
+  cl->SetPipelineState (priv->pso_typed.Get ());
+
+  ID3D12DescriptorHeap *heaps[] = { desc_handle };
+  cl->SetDescriptorHeaps (1, heaps);
+  cl->SetComputeRootDescriptorTable (0,
+      GetGPUDescriptorHandleForHeapStart (desc_handle));
+  cl->Dispatch (priv->tg_x, priv->tg_y, 1);
+  D3D12_RESOURCE_BARRIER barrier =
+      CD3DX12_RESOURCE_BARRIER::Transition (out_frame.data[0],
+      D3D12_RESOURCE_STATE_UNORDERED_ACCESS,
+      D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
+  cl->ResourceBarrier (1, &barrier);
+
+  gst_d3d12_frame_unmap (&out_frame);
+  gst_d3d12_frame_unmap (&in_frame);
+
+  gst_d3d12_fence_data_push (fence_data, FENCE_NOTIFY_MINI_OBJECT (upload_buf));
+
+  return outbuf;
+}

subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12converter-unpack.h

@@ -0,0 +1,43 @@
+/* GStreamer
+ * Copyright (C) 2024 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 <gst/gst.h>
+#include <gst/video/video.h>
+#include <gst/d3d12/gstd3d12_fwd.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_D3D12_UNPACK (gst_d3d12_unpack_get_type())
+G_DECLARE_FINAL_TYPE (GstD3D12Unpack, gst_d3d12_unpack,
+    GST, D3D12_UNPACK, GstObject);
+
+GstD3D12Unpack * gst_d3d12_unpack_new (GstD3D12Device * device,
+                                       const GstVideoInfo * converter_input_info);
+
+gboolean         gst_d3d12_unpack_get_video_info (GstD3D12Unpack * unpack,
+                                                  GstVideoInfo * unpack_output_info);
+
+GstBuffer *      gst_d3d12_unpack_execute (GstD3D12Unpack * unpack,
+                                           GstBuffer * buffer,
+                                           GstD3D12FenceData * fence_data,
+                                           ID3D12GraphicsCommandList * cl);
+
+G_END_DECLS

subprojects/gst-plugins-bad/gst-libs/gst/d3d12/gstd3d12converter.cpp

@@ -26,6 +26,7 @@
 #include "gstd3d12converter-builder.h"
 #include "gstd3d12converter-private.h"
 #include "gstd3d12converter-pack.h"
+#include "gstd3d12converter-unpack.h"
 #include <directx/d3dx12.h>
 #include <wrl.h>
 #include <string.h>
@@ -238,16 +239,14 @@ struct _GstD3D12ConverterPrivate
     if (fence_val > 0 && cq)
       gst_d3d12_command_queue_fence_wait (cq, fence_val, nullptr);
 
-    if (fallback_pool) {
-      gst_buffer_pool_set_active (fallback_pool, FALSE);
-      gst_clear_object (&fallback_pool);
-    }
     gst_clear_object (&srv_heap_pool);
     gst_clear_object (&cq);
     gst_clear_object (&pack);
+    gst_clear_object (&unpack);
   }
 
   GstD3D12CommandQueue *cq = nullptr;
+  GstD3D12Unpack *unpack = nullptr;
   GstD3D12Pack *pack = nullptr;
 
   GstVideoInfo in_info;
@@ -263,9 +262,6 @@ struct _GstD3D12ConverterPrivate
   DXGI_SAMPLE_DESC sample_desc;
   gboolean update_pso = FALSE;
 
-  GstVideoInfo fallback_pool_info;
-  GstBufferPool *fallback_pool = nullptr;
-
   ConverterRootSignaturePtr crs;
   ComPtr<ID3D12RootSignature> rs;
 
@@ -1676,6 +1672,13 @@ gst_d3d12_converter_new (GstD3D12Device * device, GstD3D12CommandQueue * queue,
   }
   gst_object_ref (priv->cq);
 
+  priv->unpack = gst_d3d12_unpack_new (device, in_info);
+  if (!priv->unpack) {
+    GST_ERROR_OBJECT (self, "Couldn't create unpack object");
+    gst_object_unref (self);
+    return nullptr;
+  }
+
   priv->pack = gst_d3d12_pack_new (device, out_info);
   if (!priv->pack) {
     GST_ERROR_OBJECT (self, "Couldn't create pack object");
@@ -1724,7 +1727,7 @@ gst_d3d12_converter_new (GstD3D12Device * device, GstD3D12CommandQueue * queue,
       allow_gamma, allow_primaries);
 
   self->device = (GstD3D12Device *) gst_object_ref (device);
-  priv->in_info = *in_info;
+  gst_d3d12_unpack_get_video_info (priv->unpack, &priv->in_info);
   gst_d3d12_pack_get_video_info (priv->pack, &priv->out_info);
 
   auto in_format = GST_VIDEO_INFO_FORMAT (&priv->in_info);
@@ -2033,104 +2036,6 @@ gst_d3d12_converter_execute (GstD3D12Converter * self, GstD3D12Frame * in_frame,
   return TRUE;
 }
 
-static GstBuffer *
-gst_d3d12_converter_upload_buffer (GstD3D12Converter * self, GstBuffer * in_buf)
-{
-  GstVideoFrame in_frame, out_frame;
-  auto priv = self->priv;
-  GstBuffer *fallback_buf = nullptr;
-
-  if (!gst_video_frame_map (&in_frame, &priv->in_info, in_buf, GST_MAP_READ)) {
-    GST_ERROR_OBJECT (self, "Couldn't map video frame");
-    return nullptr;
-  }
-
-  if (priv->fallback_pool) {
-    if (priv->fallback_pool_info.width != in_frame.info.width ||
-        priv->fallback_pool_info.height != in_frame.info.height) {
-      gst_buffer_pool_set_active (priv->fallback_pool, FALSE);
-      gst_clear_object (&priv->fallback_pool);
-    }
-  }
-
-  if (!priv->fallback_pool) {
-    priv->fallback_pool = gst_d3d12_buffer_pool_new (self->device);
-    priv->fallback_pool_info = in_frame.info;
-    auto caps = gst_video_info_to_caps (&in_frame.info);
-    auto config = gst_buffer_pool_get_config (priv->fallback_pool);
-    auto params = gst_d3d12_allocation_params_new (self->device, &in_frame.info,
-        GST_D3D12_ALLOCATION_FLAG_DEFAULT,
-        D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS, D3D12_HEAP_FLAG_NONE);
-    gst_buffer_pool_config_set_d3d12_allocation_params (config, params);
-    gst_d3d12_allocation_params_free (params);
-    gst_buffer_pool_config_set_params (config, caps, in_frame.info.size, 0, 0);
-    gst_caps_unref (caps);
-
-    if (!gst_buffer_pool_set_config (priv->fallback_pool, config)) {
-      GST_ERROR_OBJECT (self, "Couldn't set pool config");
-      gst_video_frame_unmap (&in_frame);
-      gst_clear_object (&priv->fallback_pool);
-      return nullptr;
-    }
-
-    if (!gst_buffer_pool_set_active (priv->fallback_pool, TRUE)) {
-      GST_ERROR_OBJECT (self, "Failed to set active");
-      gst_video_frame_unmap (&in_frame);
-      gst_clear_object (&priv->fallback_pool);
-      return nullptr;
-    }
-  }
-
-  gst_buffer_pool_acquire_buffer (priv->fallback_pool, &fallback_buf, nullptr);
-  if (!fallback_buf) {
-    GST_ERROR_OBJECT (self, "Couldn't acquire fallback buf");
-    gst_video_frame_unmap (&in_frame);
-    return nullptr;
-  }
-
-  if (!gst_video_frame_map (&out_frame, &priv->fallback_pool_info, fallback_buf,
-          GST_MAP_WRITE)) {
-    GST_ERROR_OBJECT (self, "Couldn't map output frame");
-    gst_video_frame_unmap (&in_frame);
-    gst_buffer_unref (fallback_buf);
-    return nullptr;
-  }
-
-  auto copy_ret = gst_video_frame_copy (&out_frame, &in_frame);
-  gst_video_frame_unmap (&out_frame);
-  gst_video_frame_unmap (&in_frame);
-
-  if (!copy_ret) {
-    GST_ERROR_OBJECT (self, "Couldn't copy to fallback buffer");
-    gst_buffer_unref (fallback_buf);
-    return nullptr;
-  }
-
-  return fallback_buf;
-}
-
-static gboolean
-gst_d3d12_converter_check_needs_upload (GstD3D12Converter * self,
-    GstBuffer * buf)
-{
-  auto mem = gst_buffer_peek_memory (buf, 0);
-  if (!gst_is_d3d12_memory (mem))
-    return TRUE;
-
-  auto dmem = GST_D3D12_MEMORY_CAST (mem);
-  if (!gst_d3d12_device_is_equal (dmem->device, self->device))
-    return TRUE;
-
-  auto resource = gst_d3d12_memory_get_resource_handle (dmem);
-  auto desc = GetDesc (resource);
-  if ((desc.Flags & D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE) ==
-      D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE) {
-    return TRUE;
-  }
-
-  return FALSE;
-}
-
 /**
  * gst_d3d12_converter_convert_buffer:
  * @converter: a #GstD3D12Converter
@@ -2167,39 +2072,36 @@ gst_d3d12_converter_convert_buffer (GstD3D12Converter * converter,
 
   auto priv = converter->priv;
 
-  auto render_target =
+  auto render_target = gst_d3d12_pack_acquire_render_target (priv->pack,
-      gst_d3d12_pack_acquire_render_target (priv->pack, out_buf);
+      out_buf);
   if (!render_target) {
     GST_ERROR_OBJECT (converter, "Couldn't get render target buffer");
     return FALSE;
   }
 
+  in_buf = gst_d3d12_unpack_execute (priv->unpack, in_buf, fence_data,
+      command_list);
+  if (!in_buf) {
+    GST_ERROR_OBJECT (converter, "Preprocessing failed");
+    gst_buffer_unref (render_target);
+    return FALSE;
+  }
+
   /* Don't map output memory, we don't actually update output memory here */
   if (!gst_d3d12_frame_map (&out_frame, &priv->out_info, render_target,
           (GstMapFlags) GST_MAP_D3D12, GST_D3D12_FRAME_MAP_FLAG_RTV)) {
     GST_ERROR_OBJECT (converter, "Couldn't map output buffer");
     gst_buffer_unref (render_target);
+    gst_buffer_unref (in_buf);
     return FALSE;
   }
 
-  gboolean need_upload = gst_d3d12_converter_check_needs_upload (converter,
-      in_buf);
-  if (need_upload) {
-    in_buf = gst_d3d12_converter_upload_buffer (converter, in_buf);
-    if (!in_buf) {
-      gst_d3d12_frame_unmap (&out_frame);
-      gst_buffer_unref (render_target);
-      return FALSE;
-    }
-  }
-
   if (!gst_d3d12_frame_map (&in_frame, &priv->in_info,
           in_buf, GST_MAP_READ_D3D12, GST_D3D12_FRAME_MAP_FLAG_SRV)) {
     GST_ERROR_OBJECT (converter, "Couldn't map fallback input");
-    if (need_upload)
-      gst_buffer_unref (in_buf);
     gst_d3d12_frame_unmap (&out_frame);
     gst_buffer_unref (render_target);
+    gst_buffer_unref (in_buf);
     return FALSE;
   }
 
@@ -2219,10 +2121,7 @@ gst_d3d12_converter_convert_buffer (GstD3D12Converter * converter,
   gst_d3d12_frame_unmap (&in_frame);
   gst_d3d12_frame_unmap (&out_frame);
 
-  /* fence data will hold this buffer */
-  if (need_upload)
   gst_buffer_unref (in_buf);
-
   gst_buffer_unref (render_target);
 
   return ret;

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

@@ -4,6 +4,7 @@ d3d12_sources = [
   'gstd3d12commandlistpool.cpp',
   'gstd3d12commandqueue.cpp',
   'gstd3d12converter-builder.cpp',
+  'gstd3d12converter-unpack.cpp',
   'gstd3d12converter-pack.cpp',
   'gstd3d12converter.cpp',
   'gstd3d12descriptorpool.cpp',