/* GStreamer * Copyright (C) 2019 Seungha Yang * Copyright (C) 2020 Seungha Yang * * 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 #include "gstd3d11memory.h" #include "gstd3d11device.h" #include "gstd3d11utils.h" GST_DEBUG_CATEGORY_STATIC (gst_d3d11_allocator_debug); #define GST_CAT_DEFAULT gst_d3d11_allocator_debug #define GST_D3D11_ALLOCATOR_GET_LOCK(a) (&(GST_D3D11_ALLOCATOR_CAST(a)->priv->lock)) #define GST_D3D11_ALLOCATOR_LOCK(a) g_mutex_lock(GST_D3D11_ALLOCATOR_GET_LOCK(a)) #define GST_D3D11_ALLOCATOR_UNLOCK(a) g_mutex_unlock(GST_D3D11_ALLOCATOR_GET_LOCK(a)) #define GST_D3D11_MEMORY_CAST(m) ((GstD3D11Memory *) m) #define GST_D3D11_MEMORY_GET_LOCK(m) (&(GST_D3D11_MEMORY_CAST(m)->priv->lock)) #define GST_D3D11_MEMORY_LOCK(m) g_mutex_lock(GST_D3D11_MEMORY_GET_LOCK(m)) #define GST_D3D11_MEMORY_UNLOCK(m) g_mutex_unlock(GST_D3D11_MEMORY_GET_LOCK(m)) #define GST_D3D11_MEMORY_NAME "D3D11Memory" /** * gst_d3d11_allocation_params_new: * @device: a #GstD3D11Device * @info: a #GstVideoInfo * @flags: a #GstD3D11AllocationFlags * @bind_flags: D3D11_BIND_FLAG value used for creating Direct3D11 texture * * Create #GstD3D11AllocationParams object which is used by #GstD3D11BufferPool * and #GstD3D11Allocator in order to allocate new ID3D11Texture2D * object with given configuration * * Returns: a #GstD3D11AllocationParams or %NULL if @info is not supported * * Since: 1.20 */ GstD3D11AllocationParams * gst_d3d11_allocation_params_new (GstD3D11Device * device, GstVideoInfo * info, GstD3D11AllocationFlags flags, guint bind_flags) { GstD3D11AllocationParams *ret; const GstD3D11Format *d3d11_format; gint i; g_return_val_if_fail (info != NULL, NULL); d3d11_format = gst_d3d11_device_format_from_gst (device, GST_VIDEO_INFO_FORMAT (info)); if (!d3d11_format) { GST_WARNING ("Couldn't get d3d11 format"); return NULL; } ret = g_new0 (GstD3D11AllocationParams, 1); ret->info = *info; ret->aligned_info = *info; ret->d3d11_format = d3d11_format; /* Usage Flag * https://docs.microsoft.com/en-us/windows/win32/api/d3d11/ne-d3d11-d3d11_usage * * +----------------------------------------------------------+ * | Resource Usage | Default | Dynamic | Immutable | Staging | * +----------------+---------+---------+-----------+---------+ * | GPU-Read | Yes | Yes | Yes | Yes | * | GPU-Write | Yes | | | Yes | * | CPU-Read | | | | Yes | * | CPU-Write | | Yes | | Yes | * +----------------------------------------------------------+ */ /* If corresponding dxgi format is undefined, use resource format instead */ if (d3d11_format->dxgi_format == DXGI_FORMAT_UNKNOWN) { for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) { g_assert (d3d11_format->resource_format[i] != DXGI_FORMAT_UNKNOWN); ret->desc[i].Width = GST_VIDEO_INFO_COMP_WIDTH (info, i); ret->desc[i].Height = GST_VIDEO_INFO_COMP_HEIGHT (info, i); ret->desc[i].MipLevels = 1; ret->desc[i].ArraySize = 1; ret->desc[i].Format = d3d11_format->resource_format[i]; ret->desc[i].SampleDesc.Count = 1; ret->desc[i].SampleDesc.Quality = 0; ret->desc[i].Usage = D3D11_USAGE_DEFAULT; ret->desc[i].BindFlags = bind_flags; } } else { ret->desc[0].Width = GST_VIDEO_INFO_WIDTH (info); ret->desc[0].Height = GST_VIDEO_INFO_HEIGHT (info); ret->desc[0].MipLevels = 1; ret->desc[0].ArraySize = 1; ret->desc[0].Format = d3d11_format->dxgi_format; ret->desc[0].SampleDesc.Count = 1; ret->desc[0].SampleDesc.Quality = 0; ret->desc[0].Usage = D3D11_USAGE_DEFAULT; ret->desc[0].BindFlags = bind_flags; } ret->flags = flags; return ret; } /** * gst_d3d11_allocation_params_alignment: * @params: a #GstD3D11AllocationParams * @align: a #GstVideoAlignment * * Adjust Width and Height fields of D3D11_TEXTURE2D_DESC with given * @align * * Returns: %TRUE if alignment could be applied * * Since: 1.20 */ gboolean gst_d3d11_allocation_params_alignment (GstD3D11AllocationParams * params, GstVideoAlignment * align) { gint i; guint padding_width, padding_height; GstVideoInfo *info; GstVideoInfo new_info; g_return_val_if_fail (params != NULL, FALSE); g_return_val_if_fail (align != NULL, FALSE); /* d3d11 does not support stride align. Consider padding only */ padding_width = align->padding_left + align->padding_right; padding_height = align->padding_top + align->padding_bottom; info = ¶ms->info; if (!gst_video_info_set_format (&new_info, GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_WIDTH (info) + padding_width, GST_VIDEO_INFO_HEIGHT (info) + padding_height)) { GST_WARNING ("Set format fail"); return FALSE; } params->aligned_info = new_info; for (i = 0; i < GST_VIDEO_INFO_N_PLANES (info); i++) { params->desc[i].Width = GST_VIDEO_INFO_COMP_WIDTH (&new_info, i); params->desc[i].Height = GST_VIDEO_INFO_COMP_HEIGHT (&new_info, i); } return TRUE; } /** * gst_d3d11_allocation_params_copy: * @src: a #GstD3D11AllocationParams * * Returns: a copy of @src * * Since: 1.20 */ GstD3D11AllocationParams * gst_d3d11_allocation_params_copy (GstD3D11AllocationParams * src) { GstD3D11AllocationParams *dst; g_return_val_if_fail (src != NULL, NULL); dst = g_new0 (GstD3D11AllocationParams, 1); memcpy (dst, src, sizeof (GstD3D11AllocationParams)); return dst; } /** * gst_d3d11_allocation_params_free: * @params: a #GstD3D11AllocationParams * * Free @params * * Since: 1.20 */ void gst_d3d11_allocation_params_free (GstD3D11AllocationParams * params) { g_free (params); } static gint gst_d3d11_allocation_params_compare (const GstD3D11AllocationParams * p1, const GstD3D11AllocationParams * p2) { g_return_val_if_fail (p1 != NULL, -1); g_return_val_if_fail (p2 != NULL, -1); if (p1 == p2) return 0; return -1; } static void _init_alloc_params (GType type) { static GstValueTable table = { 0, (GstValueCompareFunc) gst_d3d11_allocation_params_compare, NULL, NULL }; table.type = type; gst_value_register (&table); } G_DEFINE_BOXED_TYPE_WITH_CODE (GstD3D11AllocationParams, gst_d3d11_allocation_params, (GBoxedCopyFunc) gst_d3d11_allocation_params_copy, (GBoxedFreeFunc) gst_d3d11_allocation_params_free, _init_alloc_params (g_define_type_id)); typedef enum { GST_D3D11_MEMORY_TYPE_TEXTURE = 0, GST_D3D11_MEMORY_TYPE_ARRAY = 1, GST_D3D11_MEMORY_TYPE_STAGING = 2, } GstD3D11MemoryType; struct _GstD3D11MemoryPrivate { GstD3D11MemoryType type; ID3D11Texture2D *texture; D3D11_TEXTURE2D_DESC desc; /* valid only for array typed memory */ guint subresource_index; ID3D11Texture2D *staging; ID3D11ShaderResourceView *shader_resource_view[GST_VIDEO_MAX_PLANES]; guint num_shader_resource_views; ID3D11RenderTargetView *render_target_view[GST_VIDEO_MAX_PLANES]; guint num_render_target_views; ID3D11VideoDecoderOutputView *decoder_output_view; ID3D11VideoProcessorInputView *processor_input_view; ID3D11VideoProcessorOutputView *processor_output_view; D3D11_MAPPED_SUBRESOURCE map; GMutex lock; gint cpu_map_count; }; struct _GstD3D11AllocatorPrivate { /* parent texture when array typed memory is used */ ID3D11Texture2D *texture; GArray *array_in_use; GArray *decoder_output_view_array; GArray *processor_input_view_array; GMutex lock; GCond cond; gboolean flushing; }; #define gst_d3d11_allocator_parent_class parent_class G_DEFINE_TYPE_WITH_PRIVATE (GstD3D11Allocator, gst_d3d11_allocator, GST_TYPE_ALLOCATOR); static inline D3D11_MAP gst_map_flags_to_d3d11 (GstMapFlags flags) { if ((flags & GST_MAP_READWRITE) == GST_MAP_READWRITE) return D3D11_MAP_READ_WRITE; else if ((flags & GST_MAP_WRITE) == GST_MAP_WRITE) return D3D11_MAP_WRITE; else if ((flags & GST_MAP_READ) == GST_MAP_READ) return D3D11_MAP_READ; else g_assert_not_reached (); return D3D11_MAP_READ; } static ID3D11Texture2D * create_staging_texture (GstD3D11Device * device, const D3D11_TEXTURE2D_DESC * ref) { D3D11_TEXTURE2D_DESC desc = { 0, }; ID3D11Texture2D *texture = NULL; ID3D11Device *device_handle = gst_d3d11_device_get_device_handle (device); HRESULT hr; desc.Width = ref->Width; desc.Height = ref->Height; desc.MipLevels = 1; desc.Format = ref->Format; desc.SampleDesc.Count = 1; desc.ArraySize = 1; desc.Usage = D3D11_USAGE_STAGING; desc.CPUAccessFlags = (D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE); hr = ID3D11Device_CreateTexture2D (device_handle, &desc, NULL, &texture); if (!gst_d3d11_result (hr, device)) { GST_ERROR_OBJECT (device, "Failed to create texture"); return NULL; } return texture; } static gboolean map_cpu_access_data (GstD3D11Memory * dmem, D3D11_MAP map_type) { GstD3D11MemoryPrivate *priv = dmem->priv; HRESULT hr; gboolean ret = TRUE; ID3D11Resource *texture = (ID3D11Resource *) priv->texture; ID3D11Resource *staging = (ID3D11Resource *) priv->staging; ID3D11DeviceContext *device_context = gst_d3d11_device_get_device_context_handle (dmem->device); gst_d3d11_device_lock (dmem->device); if (GST_MEMORY_FLAG_IS_SET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD)) { ID3D11DeviceContext_CopySubresourceRegion (device_context, staging, 0, 0, 0, 0, texture, priv->subresource_index, NULL); } hr = ID3D11DeviceContext_Map (device_context, staging, 0, map_type, 0, &priv->map); if (!gst_d3d11_result (hr, dmem->device)) { GST_ERROR_OBJECT (GST_MEMORY_CAST (dmem)->allocator, "Failed to map staging texture (0x%x)", (guint) hr); ret = FALSE; } gst_d3d11_device_unlock (dmem->device); return ret; } static gpointer gst_d3d11_memory_map_staging (GstMemory * mem, GstMapFlags flags) { GstD3D11Memory *dmem = (GstD3D11Memory *) mem; GstD3D11MemoryPrivate *priv = dmem->priv; GST_D3D11_MEMORY_LOCK (dmem); if (priv->cpu_map_count == 0) { ID3D11DeviceContext *device_context = gst_d3d11_device_get_device_context_handle (dmem->device); D3D11_MAP map_type; HRESULT hr; gboolean ret = TRUE; map_type = gst_map_flags_to_d3d11 (flags); gst_d3d11_device_lock (dmem->device); hr = ID3D11DeviceContext_Map (device_context, (ID3D11Resource *) priv->texture, 0, map_type, 0, &priv->map); if (!gst_d3d11_result (hr, dmem->device)) { GST_ERROR_OBJECT (GST_MEMORY_CAST (dmem)->allocator, "Failed to map staging texture (0x%x)", (guint) hr); ret = FALSE; } gst_d3d11_device_unlock (dmem->device); if (!ret) { GST_D3D11_MEMORY_UNLOCK (dmem); return NULL; } } priv->cpu_map_count++; GST_D3D11_MEMORY_UNLOCK (dmem); return dmem->priv->map.pData; } static gpointer gst_d3d11_memory_map (GstMemory * mem, gsize maxsize, GstMapFlags flags) { GstD3D11Memory *dmem = (GstD3D11Memory *) mem; GstD3D11MemoryPrivate *priv = dmem->priv; if (priv->type == GST_D3D11_MEMORY_TYPE_STAGING) { if ((flags & GST_MAP_D3D11) == GST_MAP_D3D11) return priv->texture; return gst_d3d11_memory_map_staging (mem, flags); } GST_D3D11_MEMORY_LOCK (dmem); if ((flags & GST_MAP_D3D11) == GST_MAP_D3D11) { if (priv->staging && GST_MEMORY_FLAG_IS_SET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD)) { ID3D11DeviceContext *device_context = gst_d3d11_device_get_device_context_handle (dmem->device); gst_d3d11_device_lock (dmem->device); ID3D11DeviceContext_CopySubresourceRegion (device_context, (ID3D11Resource *) priv->texture, priv->subresource_index, 0, 0, 0, (ID3D11Resource *) priv->staging, 0, NULL); gst_d3d11_device_unlock (dmem->device); } GST_MEMORY_FLAG_UNSET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD); if ((flags & GST_MAP_WRITE) == GST_MAP_WRITE) GST_MINI_OBJECT_FLAG_SET (dmem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD); g_assert (priv->texture != NULL); GST_D3D11_MEMORY_UNLOCK (dmem); return priv->texture; } if (priv->cpu_map_count == 0) { D3D11_MAP map_type; /* Allocate staging texture for CPU access */ if (!priv->staging) { priv->staging = create_staging_texture (dmem->device, &priv->desc); if (!priv->staging) { GST_ERROR_OBJECT (mem->allocator, "Couldn't create staging texture"); GST_D3D11_MEMORY_UNLOCK (dmem); return NULL; } /* first memory, always need download to staging */ GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD); } map_type = gst_map_flags_to_d3d11 (flags); if (!map_cpu_access_data (dmem, map_type)) { GST_ERROR_OBJECT (mem->allocator, "Couldn't map staging texture"); GST_D3D11_MEMORY_UNLOCK (dmem); return NULL; } } if ((flags & GST_MAP_WRITE) == GST_MAP_WRITE) GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD); GST_MEMORY_FLAG_UNSET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD); priv->cpu_map_count++; GST_D3D11_MEMORY_UNLOCK (dmem); return dmem->priv->map.pData; } static void unmap_cpu_access_data (GstD3D11Memory * dmem) { GstD3D11MemoryPrivate *priv = dmem->priv; ID3D11Resource *staging = (ID3D11Resource *) priv->staging; ID3D11DeviceContext *device_context = gst_d3d11_device_get_device_context_handle (dmem->device); if (priv->type == GST_D3D11_MEMORY_TYPE_STAGING) staging = (ID3D11Resource *) priv->texture; gst_d3d11_device_lock (dmem->device); ID3D11DeviceContext_Unmap (device_context, staging, 0); gst_d3d11_device_unlock (dmem->device); } static void gst_d3d11_memory_unmap_full (GstMemory * mem, GstMapInfo * info) { GstD3D11Memory *dmem = (GstD3D11Memory *) mem; GstD3D11MemoryPrivate *priv = dmem->priv; GST_D3D11_MEMORY_LOCK (dmem); if ((info->flags & GST_MAP_D3D11) == GST_MAP_D3D11) { if (priv->type != GST_D3D11_MEMORY_TYPE_STAGING && (info->flags & GST_MAP_WRITE) == GST_MAP_WRITE) GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD); GST_D3D11_MEMORY_UNLOCK (dmem); return; } if (priv->type != GST_D3D11_MEMORY_TYPE_STAGING && (info->flags & GST_MAP_WRITE)) GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD); priv->cpu_map_count--; if (priv->cpu_map_count > 0) { GST_D3D11_MEMORY_UNLOCK (dmem); return; } unmap_cpu_access_data (dmem); GST_D3D11_MEMORY_UNLOCK (dmem); } static GstMemory * gst_d3d11_memory_share (GstMemory * mem, gssize offset, gssize size) { /* TODO: impl. */ return NULL; } static GstMemory * gst_d3d11_allocator_dummy_alloc (GstAllocator * allocator, gsize size, GstAllocationParams * params) { g_return_val_if_reached (NULL); } static void gst_d3d11_allocator_free (GstAllocator * allocator, GstMemory * mem) { GstD3D11Allocator *self = GST_D3D11_ALLOCATOR (allocator); GstD3D11AllocatorPrivate *priv = self->priv; GstD3D11Memory *dmem = (GstD3D11Memory *) mem; GstD3D11MemoryPrivate *dmem_priv = dmem->priv; gint i; if (priv->array_in_use) { GST_D3D11_ALLOCATOR_LOCK (self); g_array_index (priv->array_in_use, guint8, dmem_priv->subresource_index) = 0; g_cond_broadcast (&priv->cond); GST_D3D11_ALLOCATOR_UNLOCK (self); } for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) { if (dmem_priv->render_target_view[i]) ID3D11RenderTargetView_Release (dmem_priv->render_target_view[i]); if (dmem_priv->shader_resource_view[i]) ID3D11ShaderResourceView_Release (dmem_priv->shader_resource_view[i]); } if (dmem_priv->decoder_output_view) ID3D11VideoDecoderOutputView_Release (dmem_priv->decoder_output_view); if (dmem_priv->processor_input_view) ID3D11VideoProcessorInputView_Release (dmem_priv->processor_input_view); if (dmem_priv->processor_output_view) ID3D11VideoProcessorOutputView_Release (dmem_priv->processor_output_view); if (dmem_priv->texture) ID3D11Texture2D_Release (dmem_priv->texture); if (dmem_priv->staging) ID3D11Texture2D_Release (dmem_priv->staging); gst_clear_object (&dmem->device); g_mutex_clear (&dmem_priv->lock); g_free (dmem->priv); g_free (dmem); } static void gst_d3d11_allocator_dispose (GObject * object) { GstD3D11Allocator *alloc = GST_D3D11_ALLOCATOR (object); GstD3D11AllocatorPrivate *priv = alloc->priv; g_clear_pointer (&priv->decoder_output_view_array, g_array_unref); g_clear_pointer (&priv->processor_input_view_array, g_array_unref); if (priv->texture) { ID3D11Texture2D_Release (priv->texture); priv->texture = NULL; } gst_clear_object (&alloc->device); G_OBJECT_CLASS (parent_class)->dispose (object); } static void gst_d3d11_allocator_finalize (GObject * object) { GstD3D11Allocator *alloc = GST_D3D11_ALLOCATOR (object); GstD3D11AllocatorPrivate *priv = alloc->priv; g_mutex_clear (&priv->lock); g_cond_clear (&priv->cond); g_clear_pointer (&priv->array_in_use, g_array_unref); G_OBJECT_CLASS (parent_class)->finalize (object); } static void gst_d3d11_allocator_class_init (GstD3D11AllocatorClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstAllocatorClass *allocator_class = GST_ALLOCATOR_CLASS (klass); gobject_class->dispose = gst_d3d11_allocator_dispose; gobject_class->finalize = gst_d3d11_allocator_finalize; allocator_class->alloc = gst_d3d11_allocator_dummy_alloc; allocator_class->free = gst_d3d11_allocator_free; GST_DEBUG_CATEGORY_INIT (gst_d3d11_allocator_debug, "d3d11allocator", 0, "d3d11allocator object"); } static void gst_d3d11_allocator_init (GstD3D11Allocator * allocator) { GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator); GstD3D11AllocatorPrivate *priv; alloc->mem_type = GST_D3D11_MEMORY_NAME; alloc->mem_map = gst_d3d11_memory_map; alloc->mem_unmap_full = gst_d3d11_memory_unmap_full; alloc->mem_share = gst_d3d11_memory_share; /* fallback copy */ GST_OBJECT_FLAG_SET (alloc, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC); priv = gst_d3d11_allocator_get_instance_private (allocator); g_mutex_init (&priv->lock); g_cond_init (&priv->cond); allocator->priv = priv; } /** * gst_d3d11_allocator_new: * @device: a #GstD3D11Device * * Returns: a newly created #GstD3D11Allocator * * Since: 1.20 */ GstD3D11Allocator * gst_d3d11_allocator_new (GstD3D11Device * device) { GstD3D11Allocator *allocator; g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL); allocator = g_object_new (GST_TYPE_D3D11_ALLOCATOR, NULL); allocator->device = gst_object_ref (device); return allocator; } static gboolean calculate_mem_size (GstD3D11Device * device, ID3D11Texture2D * texture, const D3D11_TEXTURE2D_DESC * desc, D3D11_MAP map_type, gint stride[GST_VIDEO_MAX_PLANES], gsize * size) { HRESULT hr; gboolean ret = TRUE; D3D11_MAPPED_SUBRESOURCE map; gsize offset[GST_VIDEO_MAX_PLANES]; ID3D11DeviceContext *device_context = gst_d3d11_device_get_device_context_handle (device); gst_d3d11_device_lock (device); hr = ID3D11DeviceContext_Map (device_context, (ID3D11Resource *) texture, 0, map_type, 0, &map); if (!gst_d3d11_result (hr, device)) { GST_ERROR_OBJECT (device, "Failed to map texture (0x%x)", (guint) hr); gst_d3d11_device_unlock (device); return FALSE; } ret = gst_d3d11_dxgi_format_get_size (desc->Format, desc->Width, desc->Height, map.RowPitch, offset, stride, size); ID3D11DeviceContext_Unmap (device_context, (ID3D11Resource *) texture, 0); gst_d3d11_device_unlock (device); return ret; } static gboolean create_shader_resource_views (GstD3D11Memory * mem) { GstD3D11MemoryPrivate *priv = mem->priv; gint i; HRESULT hr; guint num_views = 0; ID3D11Device *device_handle; D3D11_SHADER_RESOURCE_VIEW_DESC resource_desc = { 0, }; DXGI_FORMAT formats[GST_VIDEO_MAX_PLANES] = { DXGI_FORMAT_UNKNOWN, }; device_handle = gst_d3d11_device_get_device_handle (mem->device); switch (priv->desc.Format) { case DXGI_FORMAT_B8G8R8A8_UNORM: case DXGI_FORMAT_R8G8B8A8_UNORM: case DXGI_FORMAT_R10G10B10A2_UNORM: case DXGI_FORMAT_R8_UNORM: case DXGI_FORMAT_R8G8_UNORM: case DXGI_FORMAT_R16_UNORM: case DXGI_FORMAT_R16G16_UNORM: case DXGI_FORMAT_G8R8_G8B8_UNORM: case DXGI_FORMAT_R8G8_B8G8_UNORM: case DXGI_FORMAT_R16G16B16A16_UNORM: num_views = 1; formats[0] = priv->desc.Format; break; case DXGI_FORMAT_AYUV: case DXGI_FORMAT_YUY2: num_views = 1; formats[0] = DXGI_FORMAT_R8G8B8A8_UNORM; break; case DXGI_FORMAT_NV12: num_views = 2; formats[0] = DXGI_FORMAT_R8_UNORM; formats[1] = DXGI_FORMAT_R8G8_UNORM; break; case DXGI_FORMAT_P010: case DXGI_FORMAT_P016: num_views = 2; formats[0] = DXGI_FORMAT_R16_UNORM; formats[1] = DXGI_FORMAT_R16G16_UNORM; break; case DXGI_FORMAT_Y210: num_views = 1; formats[0] = DXGI_FORMAT_R16G16B16A16_UNORM; break; case DXGI_FORMAT_Y410: num_views = 1; formats[0] = DXGI_FORMAT_R10G10B10A2_UNORM; break; default: g_assert_not_reached (); return FALSE; } if ((priv->desc.BindFlags & D3D11_BIND_SHADER_RESOURCE) == D3D11_BIND_SHADER_RESOURCE) { resource_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D; resource_desc.Texture2D.MipLevels = 1; for (i = 0; i < num_views; i++) { resource_desc.Format = formats[i]; hr = ID3D11Device_CreateShaderResourceView (device_handle, (ID3D11Resource *) priv->texture, &resource_desc, &priv->shader_resource_view[i]); if (!gst_d3d11_result (hr, mem->device)) { GST_ERROR_OBJECT (GST_MEMORY_CAST (mem)->allocator, "Failed to create %dth resource view (0x%x)", i, (guint) hr); goto error; } } priv->num_shader_resource_views = num_views; return TRUE; } return FALSE; error: for (i = 0; i < num_views; i++) { if (priv->shader_resource_view[i]) ID3D11ShaderResourceView_Release (priv->shader_resource_view[i]); priv->shader_resource_view[i] = NULL; } priv->num_shader_resource_views = 0; return FALSE; } static gboolean create_render_target_views (GstD3D11Memory * mem) { GstD3D11MemoryPrivate *priv = mem->priv; gint i; HRESULT hr; guint num_views = 0; ID3D11Device *device_handle; D3D11_RENDER_TARGET_VIEW_DESC render_desc = { 0, }; DXGI_FORMAT formats[GST_VIDEO_MAX_PLANES] = { DXGI_FORMAT_UNKNOWN, }; device_handle = gst_d3d11_device_get_device_handle (mem->device); switch (priv->desc.Format) { case DXGI_FORMAT_B8G8R8A8_UNORM: case DXGI_FORMAT_R8G8B8A8_UNORM: case DXGI_FORMAT_R10G10B10A2_UNORM: case DXGI_FORMAT_R8_UNORM: case DXGI_FORMAT_R8G8_UNORM: case DXGI_FORMAT_R16_UNORM: case DXGI_FORMAT_R16G16_UNORM: num_views = 1; formats[0] = priv->desc.Format; break; case DXGI_FORMAT_AYUV: num_views = 1; formats[0] = DXGI_FORMAT_R8G8B8A8_UNORM; break; case DXGI_FORMAT_NV12: num_views = 2; formats[0] = DXGI_FORMAT_R8_UNORM; formats[1] = DXGI_FORMAT_R8G8_UNORM; break; case DXGI_FORMAT_P010: case DXGI_FORMAT_P016: num_views = 2; formats[0] = DXGI_FORMAT_R16_UNORM; formats[1] = DXGI_FORMAT_R16G16_UNORM; break; default: g_assert_not_reached (); return FALSE; } if ((priv->desc.BindFlags & D3D11_BIND_RENDER_TARGET) == D3D11_BIND_RENDER_TARGET) { render_desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D; render_desc.Texture2D.MipSlice = 0; for (i = 0; i < num_views; i++) { render_desc.Format = formats[i]; hr = ID3D11Device_CreateRenderTargetView (device_handle, (ID3D11Resource *) priv->texture, &render_desc, &priv->render_target_view[i]); if (!gst_d3d11_result (hr, mem->device)) { GST_ERROR_OBJECT (GST_MEMORY_CAST (mem)->allocator, "Failed to create %dth render target view (0x%x)", i, (guint) hr); goto error; } } priv->num_render_target_views = num_views; return TRUE; } return FALSE; error: for (i = 0; i < num_views; i++) { if (priv->render_target_view[i]) ID3D11RenderTargetView_Release (priv->render_target_view[i]); priv->render_target_view[i] = NULL; } priv->num_render_target_views = 0; return FALSE; } static void gst_d3d11_decoder_output_view_clear (ID3D11VideoDecoderOutputView ** view) { if (view && *view) { ID3D11VideoDecoderOutputView_Release (*view); *view = NULL; } } static void gst_d3d11_processor_input_view_clear (ID3D11VideoProcessorInputView ** view) { if (view && *view) { ID3D11VideoProcessorInputView_Release (*view); *view = NULL; } } static gboolean check_bind_flags_for_processor_input_view (guint bind_flags) { static const guint compatible_flags = (D3D11_BIND_DECODER | D3D11_BIND_VIDEO_ENCODER | D3D11_BIND_RENDER_TARGET | D3D11_BIND_UNORDERED_ACCESS); if (bind_flags == 0) return TRUE; if ((bind_flags & compatible_flags) != 0) return TRUE; return FALSE; } /** * gst_d3d11_allocator_alloc: * @allocator: a #GstD3D11Allocator * @desc: a D3D11_TEXTURE2D_DESC struct * @flags: a #GstD3D11AllocationFlags * @size: a size of CPU accesible memory * * Returns: a newly allocated #GstD3D11Memory with given parameters. * * Since: 1.20 */ GstMemory * gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator, const D3D11_TEXTURE2D_DESC * desc, GstD3D11AllocationFlags flags, gsize size) { GstD3D11Memory *mem; GstD3D11Device *device; ID3D11Texture2D *texture = NULL; guint index_to_use = 0; GstD3D11AllocatorPrivate *priv; GstD3D11MemoryType type = GST_D3D11_MEMORY_TYPE_TEXTURE; HRESULT hr; ID3D11Device *device_handle; g_return_val_if_fail (GST_IS_D3D11_ALLOCATOR (allocator), NULL); g_return_val_if_fail (desc != NULL, NULL); g_return_val_if_fail (size > 0, NULL); priv = allocator->priv; device = allocator->device; device_handle = gst_d3d11_device_get_device_handle (device); if ((flags & GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY)) { gint i; do_again: GST_D3D11_ALLOCATOR_LOCK (allocator); if (priv->flushing) { GST_DEBUG_OBJECT (allocator, "we are flushing"); GST_D3D11_ALLOCATOR_UNLOCK (allocator); return NULL; } if (!priv->array_in_use) { priv->array_in_use = g_array_sized_new (FALSE, TRUE, sizeof (guint8), desc->ArraySize); g_array_set_size (priv->array_in_use, desc->ArraySize); if ((desc->BindFlags & D3D11_BIND_DECODER) == D3D11_BIND_DECODER && !priv->decoder_output_view_array) { priv->decoder_output_view_array = g_array_sized_new (FALSE, TRUE, sizeof (ID3D11VideoDecoderOutputView *), desc->ArraySize); g_array_set_clear_func (priv->decoder_output_view_array, (GDestroyNotify) gst_d3d11_decoder_output_view_clear); g_array_set_size (priv->decoder_output_view_array, desc->ArraySize); } if (check_bind_flags_for_processor_input_view (desc->BindFlags)) { priv->processor_input_view_array = g_array_sized_new (FALSE, TRUE, sizeof (ID3D11VideoProcessorInputView *), desc->ArraySize); g_array_set_clear_func (priv->processor_input_view_array, (GDestroyNotify) gst_d3d11_processor_input_view_clear); g_array_set_size (priv->processor_input_view_array, desc->ArraySize); } } for (i = 0; i < desc->ArraySize; i++) { if (!g_array_index (priv->array_in_use, guint8, i)) { index_to_use = i; break; } } if (i == desc->ArraySize) { GST_DEBUG_OBJECT (allocator, "All elements in array are used now"); g_cond_wait (&priv->cond, &priv->lock); GST_D3D11_ALLOCATOR_UNLOCK (allocator); goto do_again; } g_array_index (priv->array_in_use, guint8, index_to_use) = 1; GST_D3D11_ALLOCATOR_UNLOCK (allocator); if (!priv->texture) { hr = ID3D11Device_CreateTexture2D (device_handle, desc, NULL, &priv->texture); if (!gst_d3d11_result (hr, device)) { GST_ERROR_OBJECT (allocator, "Couldn't create texture"); goto error; } } ID3D11Texture2D_AddRef (priv->texture); texture = priv->texture; type = GST_D3D11_MEMORY_TYPE_ARRAY; } else { hr = ID3D11Device_CreateTexture2D (device_handle, desc, NULL, &texture); if (!gst_d3d11_result (hr, device)) { GST_ERROR_OBJECT (allocator, "Couldn't create texture"); goto error; } } mem = g_new0 (GstD3D11Memory, 1); mem->priv = g_new0 (GstD3D11MemoryPrivate, 1); gst_memory_init (GST_MEMORY_CAST (mem), 0, GST_ALLOCATOR_CAST (allocator), NULL, size, 0, 0, size); g_mutex_init (&mem->priv->lock); mem->priv->texture = texture; mem->priv->desc = *desc; mem->priv->type = type; mem->priv->subresource_index = index_to_use; mem->device = gst_object_ref (device); return GST_MEMORY_CAST (mem); error: if (texture) ID3D11Texture2D_Release (texture); return NULL; } /** * gst_d3d11_allocator_alloc_staging: * @allocator: a #GstD3D11Allocator * @desc: a D3D11_TEXTURE2D_DESC struct * @flags: a #GstD3D11AllocationFlags * @stride: (out): a stride of CPU accesible memory * * Returns: a newly allocated #GstD3D11Memory with given parameters. * Returned #GstD3D11Memory can be used only for staging texture. * * Since: 1.20 */ GstMemory * gst_d3d11_allocator_alloc_staging (GstD3D11Allocator * allocator, const D3D11_TEXTURE2D_DESC * desc, GstD3D11AllocationFlags flags, gint * stride) { GstD3D11Memory *mem; GstD3D11Device *device; ID3D11Texture2D *texture = NULL; gsize mem_size = 0; gint mem_stride[GST_VIDEO_MAX_PLANES]; g_return_val_if_fail (GST_IS_D3D11_ALLOCATOR (allocator), NULL); g_return_val_if_fail (desc != NULL, NULL); device = allocator->device; texture = create_staging_texture (device, desc); if (!texture) { GST_ERROR_OBJECT (allocator, "Couldn't create staging texture"); goto error; } if (!calculate_mem_size (device, texture, desc, D3D11_MAP_READ, mem_stride, &mem_size)) { GST_ERROR_OBJECT (allocator, "Couldn't calculate staging texture size"); goto error; } mem = g_new0 (GstD3D11Memory, 1); mem->priv = g_new0 (GstD3D11MemoryPrivate, 1); gst_memory_init (GST_MEMORY_CAST (mem), 0, GST_ALLOCATOR_CAST (allocator), NULL, mem_size, 0, 0, mem_size); g_mutex_init (&mem->priv->lock); mem->priv->texture = texture; mem->priv->desc = *desc; mem->priv->type = GST_D3D11_MEMORY_TYPE_STAGING; mem->device = gst_object_ref (device); /* every plan will have identical size */ if (stride) *stride = mem_stride[0]; return GST_MEMORY_CAST (mem); error: if (texture) ID3D11Texture2D_Release (texture); return NULL; } /** * gst_d3d11_allocator_set_flushing: * @allocator: a #GstD3D11Allocator * @flusing: whether to start or stop flusing * * Enable or disable the flushing state of @allocator. * * Since: 1.20 */ void gst_d3d11_allocator_set_flushing (GstD3D11Allocator * allocator, gboolean flushing) { GstD3D11AllocatorPrivate *priv; g_return_if_fail (GST_IS_D3D11_ALLOCATOR (allocator)); priv = allocator->priv; GST_D3D11_ALLOCATOR_LOCK (allocator); priv->flushing = flushing; g_cond_broadcast (&priv->cond); GST_D3D11_ALLOCATOR_UNLOCK (allocator); } /** * gst_is_d3d11_memory: * @mem: a #GstMemory * * Returns: whether @mem is a #GstD3D11Memory * * Since: 1.20 */ gboolean gst_is_d3d11_memory (GstMemory * mem) { return mem != NULL && mem->allocator != NULL && GST_IS_D3D11_ALLOCATOR (mem->allocator); } /** * gst_d3d11_memory_get_texture_handle: * @mem: a #GstD3D11Memory * * Returns: (transfer none): a ID3D11Texture2D handle. Caller must not release * returned handle. * * Since: 1.20 */ ID3D11Texture2D * gst_d3d11_memory_get_texture_handle (GstD3D11Memory * mem) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), NULL); return mem->priv->texture; } /** * gst_d3d11_memory_get_subresource_index: * @mem: a #GstD3D11Memory * * Returns: subresource index corresponding to @mem. * * Since: 1.20 */ guint gst_d3d11_memory_get_subresource_index (GstD3D11Memory * mem) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), 0); return mem->priv->subresource_index; } /** * gst_d3d11_memory_get_texture_desc: * @mem: a #GstD3D11Memory * @desc: (out): a D3D11_TEXTURE2D_DESC * * Fill @desc with D3D11_TEXTURE2D_DESC for ID3D11Texture2D * * Returns: %TRUE if successeed * * Since: 1.20 */ gboolean gst_d3d11_memory_get_texture_desc (GstD3D11Memory * mem, D3D11_TEXTURE2D_DESC * desc) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), FALSE); g_return_val_if_fail (desc != NULL, FALSE); *desc = mem->priv->desc; return TRUE; } static gboolean gst_d3d11_memory_ensure_shader_resource_view (GstD3D11Memory * mem) { GstD3D11MemoryPrivate *priv = mem->priv; gboolean ret = FALSE; if (!(priv->desc.BindFlags & D3D11_BIND_SHADER_RESOURCE)) { GST_LOG_OBJECT (GST_MEMORY_CAST (mem)->allocator, "Need BindFlags, current flag 0x%x", priv->desc.BindFlags); return FALSE; } GST_D3D11_MEMORY_LOCK (mem); if (priv->num_shader_resource_views) { ret = TRUE; goto done; } ret = create_shader_resource_views (mem); done: GST_D3D11_MEMORY_UNLOCK (mem); return ret; } /** * gst_d3d11_memory_get_shader_resource_view_size: * @mem: a #GstD3D11Memory * * Returns: the number of ID3D11ShaderResourceView that can be used * for processing GPU operation with @mem * * Since: 1.20 */ guint gst_d3d11_memory_get_shader_resource_view_size (GstD3D11Memory * mem) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), 0); if (!gst_d3d11_memory_ensure_shader_resource_view (mem)) return 0; return mem->priv->num_shader_resource_views; } /** * gst_d3d11_memory_get_shader_resource_view: * @mem: a #GstD3D11Memory * @index: the index of the ID3D11ShaderResourceView * * Returns: (transfer none) (nullable): a pointer to the * ID3D11ShaderResourceView or %NULL if ID3D11ShaderResourceView is unavailable * for @index * * Since: 1.20 */ ID3D11ShaderResourceView * gst_d3d11_memory_get_shader_resource_view (GstD3D11Memory * mem, guint index) { GstD3D11MemoryPrivate *priv; g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), NULL); if (!gst_d3d11_memory_ensure_shader_resource_view (mem)) return NULL; priv = mem->priv; if (index >= priv->num_shader_resource_views) { GST_ERROR ("Invalid SRV index %d", index); return NULL; } return priv->shader_resource_view[index]; } static gboolean gst_d3d11_memory_ensure_render_target_view (GstD3D11Memory * mem) { GstD3D11MemoryPrivate *priv = mem->priv; gboolean ret = FALSE; if (!(priv->desc.BindFlags & D3D11_BIND_RENDER_TARGET)) { GST_WARNING_OBJECT (GST_MEMORY_CAST (mem)->allocator, "Need BindFlags, current flag 0x%x", priv->desc.BindFlags); return FALSE; } GST_D3D11_MEMORY_LOCK (mem); if (priv->num_render_target_views) { ret = TRUE; goto done; } ret = create_render_target_views (mem); done: GST_D3D11_MEMORY_UNLOCK (mem); return ret; } /** * gst_d3d11_memory_get_render_target_view_size: * @mem: a #GstD3D11Memory * * Returns: the number of ID3D11RenderTargetView that can be used * for processing GPU operation with @mem * * Since: 1.20 */ guint gst_d3d11_memory_get_render_target_view_size (GstD3D11Memory * mem) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), 0); if (!gst_d3d11_memory_ensure_render_target_view (mem)) return 0; return mem->priv->num_render_target_views; } /** * gst_d3d11_memory_get_render_target_view: * @mem: a #GstD3D11Memory * @index: the index of the ID3D11RenderTargetView * * Returns: (transfer none) (nullable): a pointer to the * ID3D11RenderTargetView or %NULL if ID3D11RenderTargetView is unavailable * for @index * * Since: 1.20 */ ID3D11RenderTargetView * gst_d3d11_memory_get_render_target_view (GstD3D11Memory * mem, guint index) { GstD3D11MemoryPrivate *priv; g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), NULL); if (!gst_d3d11_memory_ensure_render_target_view (mem)) return NULL; priv = mem->priv; if (index >= priv->num_render_target_views) { GST_ERROR ("Invalid RTV index %d", index); return NULL; } return priv->render_target_view[index]; } static gboolean gst_d3d11_memory_ensure_decoder_output_view (GstD3D11Memory * mem, ID3D11VideoDevice * video_device, GUID * decoder_profile) { GstD3D11MemoryPrivate *dmem_priv = mem->priv; GstD3D11Allocator *allocator; GstD3D11AllocatorPrivate *priv; D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC desc; ID3D11VideoDecoderOutputView *view = NULL; HRESULT hr; gboolean ret = FALSE; allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator); priv = allocator->priv; if (!(dmem_priv->desc.BindFlags & D3D11_BIND_DECODER)) { GST_LOG_OBJECT (allocator, "Need BindFlags, current flag 0x%x", dmem_priv->desc.BindFlags); return FALSE; } GST_D3D11_MEMORY_LOCK (mem); if (dmem_priv->decoder_output_view) { ID3D11VideoDecoderOutputView_GetDesc (dmem_priv->decoder_output_view, &desc); if (IsEqualGUID (&desc.DecodeProfile, decoder_profile)) { goto succeeded; } else { /* Shouldn't happen, but try again anyway */ GST_WARNING_OBJECT (allocator, "Existing view has different decoder profile"); ID3D11VideoDecoderOutputView_Release (dmem_priv->decoder_output_view); dmem_priv->decoder_output_view = NULL; } } if (priv->decoder_output_view_array) { GST_D3D11_ALLOCATOR_LOCK (allocator); view = g_array_index (priv->decoder_output_view_array, ID3D11VideoDecoderOutputView *, dmem_priv->subresource_index); if (view) { ID3D11VideoDecoderOutputView_GetDesc (view, &desc); /* Shouldn't happen because decoder will not reuse this allocator * over different codec/profiles */ if (!IsEqualGUID (&desc.DecodeProfile, decoder_profile)) { GST_WARNING_OBJECT (allocator, "Existing view has different decoder profile"); ID3D11VideoDecoderOutputView_Release (view); view = NULL; g_array_index (priv->decoder_output_view_array, ID3D11VideoDecoderOutputView *, dmem_priv->subresource_index) = NULL; } else { /* Increase refcount and reuse existing view */ dmem_priv->decoder_output_view = view; ID3D11VideoDecoderOutputView_AddRef (view); } } GST_D3D11_ALLOCATOR_UNLOCK (allocator); } if (dmem_priv->decoder_output_view) goto succeeded; desc.DecodeProfile = *decoder_profile; desc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D; desc.Texture2D.ArraySlice = dmem_priv->subresource_index; hr = ID3D11VideoDevice_CreateVideoDecoderOutputView (video_device, (ID3D11Resource *) dmem_priv->texture, &desc, &dmem_priv->decoder_output_view); if (!gst_d3d11_result (hr, mem->device)) { GST_ERROR_OBJECT (allocator, "Could not create decoder output view, hr: 0x%x", (guint) hr); goto done; } /* Store view array for later reuse */ if (priv->decoder_output_view_array) { GST_D3D11_ALLOCATOR_LOCK (allocator); view = g_array_index (priv->decoder_output_view_array, ID3D11VideoDecoderOutputView *, dmem_priv->subresource_index); if (view) ID3D11VideoDecoderOutputView_Release (view); g_array_index (priv->decoder_output_view_array, ID3D11VideoDecoderOutputView *, dmem_priv->subresource_index) = dmem_priv->decoder_output_view; ID3D11VideoDecoderOutputView_AddRef (dmem_priv->decoder_output_view); GST_D3D11_ALLOCATOR_UNLOCK (allocator); } succeeded: ret = TRUE; done: GST_D3D11_MEMORY_UNLOCK (mem); return ret; } /** * gst_d3d11_memory_get_decoder_output_view: * @mem: a #GstD3D11Memory * * Returns: (transfer none) (nullable): a pointer to the * ID3D11VideoDecoderOutputView or %NULL if ID3D11VideoDecoderOutputView is * unavailable * * Since: 1.20 */ ID3D11VideoDecoderOutputView * gst_d3d11_memory_get_decoder_output_view (GstD3D11Memory * mem, ID3D11VideoDevice * video_device, GUID * decoder_profile) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), NULL); g_return_val_if_fail (video_device != NULL, NULL); g_return_val_if_fail (decoder_profile != NULL, NULL); if (!gst_d3d11_memory_ensure_decoder_output_view (mem, video_device, decoder_profile)) return NULL; return mem->priv->decoder_output_view; } static gboolean gst_d3d11_memory_ensure_processor_input_view (GstD3D11Memory * mem, ID3D11VideoDevice * video_device, ID3D11VideoProcessorEnumerator * enumerator) { GstD3D11MemoryPrivate *dmem_priv = mem->priv; GstD3D11Allocator *allocator; GstD3D11AllocatorPrivate *priv; D3D11_VIDEO_PROCESSOR_INPUT_VIEW_DESC desc; ID3D11VideoProcessorInputView *view = NULL; HRESULT hr; gboolean ret = FALSE; allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator); priv = allocator->priv; if (!check_bind_flags_for_processor_input_view (dmem_priv->desc.BindFlags)) { GST_LOG_OBJECT (allocator, "Need BindFlags, current flag 0x%x", dmem_priv->desc.BindFlags); return FALSE; } GST_D3D11_MEMORY_LOCK (mem); if (dmem_priv->processor_input_view) goto succeeded; if (priv->processor_input_view_array) { GST_D3D11_ALLOCATOR_LOCK (allocator); view = g_array_index (priv->processor_input_view_array, ID3D11VideoProcessorInputView *, dmem_priv->subresource_index); /* Increase refcount and reuse existing view */ if (view) { dmem_priv->processor_input_view = view; ID3D11VideoProcessorInputView_AddRef (view); } GST_D3D11_ALLOCATOR_UNLOCK (allocator); } if (dmem_priv->processor_input_view) goto succeeded; desc.FourCC = 0; desc.ViewDimension = D3D11_VPIV_DIMENSION_TEXTURE2D; desc.Texture2D.MipSlice = 0; desc.Texture2D.ArraySlice = dmem_priv->subresource_index; hr = ID3D11VideoDevice_CreateVideoProcessorInputView (video_device, (ID3D11Resource *) dmem_priv->texture, enumerator, &desc, &dmem_priv->processor_input_view); if (!gst_d3d11_result (hr, mem->device)) { GST_ERROR_OBJECT (allocator, "Could not create processor input view, hr: 0x%x", (guint) hr); goto done; } /* Store view array for later reuse */ if (priv->processor_input_view_array) { GST_D3D11_ALLOCATOR_LOCK (allocator); view = g_array_index (priv->processor_input_view_array, ID3D11VideoProcessorInputView *, dmem_priv->subresource_index); if (view) ID3D11VideoProcessorInputView_Release (view); g_array_index (priv->processor_input_view_array, ID3D11VideoProcessorInputView *, dmem_priv->subresource_index) = dmem_priv->processor_input_view; ID3D11VideoProcessorInputView_AddRef (dmem_priv->processor_input_view); GST_D3D11_ALLOCATOR_UNLOCK (allocator); } succeeded: ret = TRUE; done: GST_D3D11_MEMORY_UNLOCK (mem); return ret; } /** * gst_d3d11_memory_get_processor_input_view: * @mem: a #GstD3D11Memory * @video_device: a #ID3D11VideoDevice * @enumerator: a #ID3D11VideoProcessorEnumerator * * Returns: (transfer none) (nullable): a pointer to the * ID3D11VideoProcessorInputView or %NULL if ID3D11VideoProcessorInputView is * unavailable * * Since: 1.20 */ ID3D11VideoProcessorInputView * gst_d3d11_memory_get_processor_input_view (GstD3D11Memory * mem, ID3D11VideoDevice * video_device, ID3D11VideoProcessorEnumerator * enumerator) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), NULL); g_return_val_if_fail (video_device != NULL, NULL); g_return_val_if_fail (enumerator != NULL, NULL); if (!gst_d3d11_memory_ensure_processor_input_view (mem, video_device, enumerator)) return NULL; return mem->priv->processor_input_view; } static gboolean gst_d3d11_memory_ensure_processor_output_view (GstD3D11Memory * mem, ID3D11VideoDevice * video_device, ID3D11VideoProcessorEnumerator * enumerator) { GstD3D11MemoryPrivate *priv = mem->priv; GstD3D11Allocator *allocator; D3D11_VIDEO_PROCESSOR_OUTPUT_VIEW_DESC desc = { 0, }; HRESULT hr; gboolean ret; allocator = GST_D3D11_ALLOCATOR (GST_MEMORY_CAST (mem)->allocator); if (!(priv->desc.BindFlags & D3D11_BIND_RENDER_TARGET)) { GST_LOG_OBJECT (allocator, "Need BindFlags, current flag 0x%x", priv->desc.BindFlags); return FALSE; } /* FIXME: texture array should be supported at some point */ if (priv->subresource_index != 0) { GST_FIXME_OBJECT (allocator, "Texture array is not suppoted for processor output view"); return FALSE; } GST_D3D11_MEMORY_LOCK (mem); if (priv->processor_output_view) goto succeeded; desc.ViewDimension = D3D11_VPOV_DIMENSION_TEXTURE2D; desc.Texture2D.MipSlice = 0; hr = ID3D11VideoDevice_CreateVideoProcessorOutputView (video_device, (ID3D11Resource *) priv->texture, enumerator, &desc, &priv->processor_output_view); if (!gst_d3d11_result (hr, mem->device)) { GST_ERROR_OBJECT (allocator, "Could not create processor input view, hr: 0x%x", (guint) hr); goto done; } succeeded: ret = TRUE; done: GST_D3D11_MEMORY_UNLOCK (mem); return ret; } /** * gst_d3d11_memory_get_processor_output_view: * @mem: a #GstD3D11Memory * @video_device: a #ID3D11VideoDevice * @enumerator: a #ID3D11VideoProcessorEnumerator * * Returns: (transfer none) (nullable): a pointer to the * ID3D11VideoProcessorOutputView or %NULL if ID3D11VideoProcessorOutputView is * unavailable * * Since: 1.20 */ ID3D11VideoProcessorOutputView * gst_d3d11_memory_get_processor_output_view (GstD3D11Memory * mem, ID3D11VideoDevice * video_device, ID3D11VideoProcessorEnumerator * enumerator) { g_return_val_if_fail (gst_is_d3d11_memory (GST_MEMORY_CAST (mem)), NULL); g_return_val_if_fail (video_device != NULL, NULL); g_return_val_if_fail (enumerator != NULL, NULL); if (!gst_d3d11_memory_ensure_processor_output_view (mem, video_device, enumerator)) return NULL; return mem->priv->processor_output_view; }