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gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12decoder.cpp

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/* 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 "gstd3d12decoder.h"
#include "gstd3d12device.h"
#include "gstd3d12utils.h"
#include "gstd3d12format.h"
#include "gstd3d12memory.h"
#include "gstd3d12bufferpool.h"
#include "gstd3d12fence.h"
#include <wrl.h>
#include <string.h>
#include <mutex>
#include <set>
#include <vector>
#include <queue>
#include <string>
#include <vector>
#include <memory>
#include <algorithm>
GST_DEBUG_CATEGORY_EXTERN (gst_d3d12_decoder_debug);
#define GST_CAT_DEFAULT gst_d3d12_decoder_debug
struct DecoderFormat
{
GstDxvaCodec codec;
const GUID decode_profile;
DXGI_FORMAT format[3];
};
static const DecoderFormat format_list[] = {
{GST_DXVA_CODEC_H264, D3D12_VIDEO_DECODE_PROFILE_H264,
{DXGI_FORMAT_NV12, DXGI_FORMAT_UNKNOWN,}},
{GST_DXVA_CODEC_H265, D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN,
{DXGI_FORMAT_NV12, DXGI_FORMAT_UNKNOWN,}},
{GST_DXVA_CODEC_H265, D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN10,
DXGI_FORMAT_P010},
{GST_DXVA_CODEC_VP9, D3D12_VIDEO_DECODE_PROFILE_VP9,
{DXGI_FORMAT_NV12, DXGI_FORMAT_UNKNOWN,}},
{GST_DXVA_CODEC_VP9, D3D12_VIDEO_DECODE_PROFILE_VP9_10BIT_PROFILE2,
{DXGI_FORMAT_P010, DXGI_FORMAT_UNKNOWN,}},
{GST_DXVA_CODEC_AV1, D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE0,
{DXGI_FORMAT_NV12, DXGI_FORMAT_P010}},
};
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
class GstD3D12Dpb
{
public:
GstD3D12Dpb (guint8 size) : size_(size)
{
textures_.resize (size);
subresources_.resize (size);
heaps_.resize (size);
for (guint i = 0; i < size; i++) {
dxva_id_.push (i);
textures_[i] = nullptr;
subresources_[i] = 0;
heaps_[i] = nullptr;
}
}
guint8 Acquire (GstD3D12Memory * mem, ID3D12VideoDecoderHeap * heap)
{
std::lock_guard <std::mutex> lk (lock_);
if (dxva_id_.empty ())
return 0xff;
guint8 ret = dxva_id_.front ();
dxva_id_.pop ();
GstD3D12Memory *dmem;
ID3D12Resource *resource;
UINT subresource = 0;
dmem = GST_D3D12_MEMORY_CAST (mem);
resource = gst_d3d12_memory_get_resource_handle (dmem);
gst_d3d12_memory_get_subresource_index (dmem, 0, &subresource);
textures_[ret] = resource;
subresources_[ret] = subresource;
heaps_[ret] = heap;
return ret;
}
void Release (guint8 id)
{
std::lock_guard <std::mutex> lk (lock_);
if (id == 0xff || id >= size_)
return;
dxva_id_.push (id);
textures_[id] = nullptr;
subresources_[id] = 0;
heaps_[id] = nullptr;
}
guint8 GetSize ()
{
return size_;
}
ID3D12Resource ** GetTextures ()
{
return &textures_[0];
}
UINT * GetSubresources ()
{
return &subresources_[0];
}
ID3D12VideoDecoderHeap ** GetHeaps ()
{
return &heaps_[0];
}
private:
std::queue<guint8> dxva_id_;
std::mutex lock_;
guint size_;
std::vector<ID3D12Resource *> textures_;
std::vector<UINT> subresources_;
std::vector<ID3D12VideoDecoderHeap *> heaps_;
};
struct GstD3D12DecoderPicture : public GstMiniObject
{
GstD3D12DecoderPicture (GstBuffer * dpb_buf, GstBuffer * out_buf,
std::shared_ptr<GstD3D12Dpb> d3d12_dpb,
ID3D12VideoDecoderHeap * decoder_heap, guint8 dxva_id)
: buffer(dpb_buf), output_buffer(out_buf)
, heap(decoder_heap), dpb(d3d12_dpb), view_id(dxva_id)
{
}
~GstD3D12DecoderPicture ()
{
auto d3d12_dpb = dpb.lock ();
if (d3d12_dpb)
d3d12_dpb->Release (view_id);
if (buffer)
gst_buffer_unref (buffer);
if (output_buffer)
gst_buffer_unref (output_buffer);
}
GstBuffer *buffer;
GstBuffer *output_buffer;
ComPtr<ID3D12VideoDecoderHeap> heap;
std::weak_ptr<GstD3D12Dpb> dpb;
guint8 view_id;
};
static GType gst_d3d12_decoder_picture_get_type (void);
#define GST_TYPE_D3D12_DECODER_PICTURE (gst_d3d12_decoder_picture_get_type ())
GST_DEFINE_MINI_OBJECT_TYPE (GstD3D12DecoderPicture, gst_d3d12_decoder_picture);
typedef enum
{
GST_D3D12_DECODER_OUTPUT_D3D12,
GST_D3D12_DECODER_OUTPUT_D3D11,
GST_D3D12_DECODER_OUTPUT_SYSTEM,
} GstD3D12DecoderOutputType;
struct GstD3D12DecoderPrivate
{
~GstD3D12DecoderPrivate()
{
if (input_state)
gst_video_codec_state_unref (input_state);
if (output_state)
gst_video_codec_state_unref (output_state);
if (fence) {
gst_d3d12_fence_wait (fence);
gst_d3d12_fence_unref (fence);
}
if (dpb_pool) {
gst_buffer_pool_set_active (dpb_pool, FALSE);
gst_object_unref (dpb_pool);
}
if (output_pool) {
gst_buffer_pool_set_active (output_pool, FALSE);
gst_object_unref (output_pool);
}
}
/* reference textures */
GstBufferPool *dpb_pool = nullptr;
/* Used for output if reference-only texture is required */
GstBufferPool *output_pool = nullptr;
gboolean configured = FALSE;
gboolean opened = FALSE;
gboolean flushing = FALSE;
GstVideoInfo info;
GstVideoInfo output_info;
gint crop_x = 0;
gint crop_y = 0;
gint coded_width = 0;
gint coded_height = 0;
DXGI_FORMAT decoder_format = DXGI_FORMAT_UNKNOWN;
gboolean reference_only = FALSE;
gboolean use_array_of_texture = FALSE;
GstD3D12DecoderOutputType output_type = GST_D3D12_DECODER_OUTPUT_SYSTEM;
guint downstream_min_buffers = 0;
gboolean need_crop = FALSE;
gboolean use_crop_meta = FALSE;
gboolean wait_on_pool_full = FALSE;
D3D12_FEATURE_DATA_VIDEO_DECODE_SUPPORT support = { 0, };
/* For staging */
D3D12_PLACED_SUBRESOURCE_FOOTPRINT layout[GST_VIDEO_MAX_PLANES] = { 0, };
GstVideoCodecState *input_state = nullptr;
GstVideoCodecState *output_state = nullptr;
/* Internal pool params */
gint aligned_width = 0;
gint aligned_height = 0;
guint dpb_size = 0;
ComPtr<ID3D12VideoDevice> video_device;
ComPtr<ID3D12VideoDecoder> decoder;
ComPtr<ID3D12VideoDecoderHeap> heap;
ComPtr<ID3D12CommandAllocator> ca;
ComPtr<ID3D12VideoDecodeCommandList> cl;
ComPtr<ID3D12CommandQueue> cq;
ComPtr<ID3D12Resource> bitstream;
gsize bitstream_size = 0;
std::shared_ptr<GstD3D12Dpb> dpb;
/* Used for download decoded picture to staging */
ComPtr<ID3D12CommandAllocator> copy_ca;
ComPtr<ID3D12GraphicsCommandList> copy_cl;
ComPtr<ID3D12Resource> staging;
GstD3D12Fence *fence = nullptr;
gint64 luid;
std::mutex lock;
};
/* *INDENT-ON* */
struct _GstD3D12Decoder
{
GstObject parent;
GstDxvaCodec codec;
GstD3D12Device *device;
GstD3D11Device *d3d11_device;
gint64 adapter_luid;
CRITICAL_SECTION context_lock;
GstD3D12DecoderPrivate *priv;
};
static void gst_d3d12_decoder_finalize (GObject * object);
#define parent_class gst_d3d12_decoder_parent_class
G_DEFINE_TYPE (GstD3D12Decoder, gst_d3d12_decoder, GST_TYPE_OBJECT);
static void
gst_d3d12_decoder_class_init (GstD3D12DecoderClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = gst_d3d12_decoder_finalize;
}
static void
gst_d3d12_decoder_init (GstD3D12Decoder * self)
{
InitializeCriticalSection (&self->context_lock);
}
static void
gst_d3d12_decoder_finalize (GObject * object)
{
GstD3D12Decoder *self = GST_D3D12_DECODER (object);
gst_d3d12_decoder_close (self);
DeleteCriticalSection (&self->context_lock);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_d3d12_decoder_clear_resource (GstD3D12Decoder * self)
{
GstD3D12DecoderPrivate *priv = self->priv;
std::lock_guard < std::mutex > lk (priv->lock);
gst_d3d12_fence_wait (priv->fence);
if (priv->dpb_pool) {
gst_buffer_pool_set_active (priv->dpb_pool, FALSE);
gst_clear_object (&priv->dpb_pool);
}
if (priv->output_pool) {
gst_buffer_pool_set_active (priv->output_pool, FALSE);
gst_clear_object (&priv->output_pool);
}
priv->heap = nullptr;
priv->staging = nullptr;
}
static void
gst_d3d12_decoder_reset (GstD3D12Decoder * self)
{
GstD3D12DecoderPrivate *priv = self->priv;
gst_d3d12_decoder_clear_resource (self);
priv->dpb_size = 0;
priv->configured = FALSE;
priv->opened = FALSE;
g_clear_pointer (&priv->output_state, gst_video_codec_state_unref);
g_clear_pointer (&priv->input_state, gst_video_codec_state_unref);
}
GstD3D12Decoder *
gst_d3d12_decoder_new (GstDxvaCodec codec, gint64 adapter_luid)
{
GstD3D12Decoder *self;
g_return_val_if_fail (codec > GST_DXVA_CODEC_NONE, nullptr);
g_return_val_if_fail (codec < GST_DXVA_CODEC_LAST, nullptr);
self = (GstD3D12Decoder *) g_object_new (GST_TYPE_D3D12_DECODER, nullptr);
self->codec = codec;
self->adapter_luid = adapter_luid;
return self;
}
gboolean
gst_d3d12_decoder_open (GstD3D12Decoder * decoder, GstElement * element)
{
if (!gst_d3d12_ensure_element_data_for_adapter_luid (element,
decoder->adapter_luid, &decoder->device)) {
GST_ERROR_OBJECT (element, "Cannot create d3d12device");
return FALSE;
}
if (!decoder->priv) {
GstD3D12DecoderPrivate *priv;
ComPtr < ID3D12VideoDevice > video_device;
ComPtr < ID3D12CommandAllocator > copy_ca;
ComPtr < ID3D12GraphicsCommandList > copy_cl;
ComPtr < ID3D12CommandAllocator > ca;
ComPtr < ID3D12VideoDecodeCommandList > cl;
ComPtr < ID3D12CommandQueue > cq;
ID3D12Device *device_handle;
D3D12_COMMAND_QUEUE_DESC desc = { };
HRESULT hr;
device_handle = gst_d3d12_device_get_device_handle (decoder->device);
hr = device_handle->QueryInterface (IID_PPV_ARGS (&video_device));
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
hr = device_handle->CreateCommandAllocator (D3D12_COMMAND_LIST_TYPE_COPY,
IID_PPV_ARGS (&copy_ca));
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
hr = device_handle->CreateCommandList (0, D3D12_COMMAND_LIST_TYPE_COPY,
copy_ca.Get (), nullptr, IID_PPV_ARGS (&copy_cl));
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
hr = copy_cl->Close ();
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
hr = device_handle->CreateCommandAllocator
(D3D12_COMMAND_LIST_TYPE_VIDEO_DECODE, IID_PPV_ARGS (&ca));
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
hr = device_handle->CreateCommandList (0,
D3D12_COMMAND_LIST_TYPE_VIDEO_DECODE, ca.Get (), nullptr,
IID_PPV_ARGS (&cl));
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
hr = cl->Close ();
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
desc.Type = D3D12_COMMAND_LIST_TYPE_VIDEO_DECODE;
desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
hr = device_handle->CreateCommandQueue (&desc, IID_PPV_ARGS (&cq));
if (!gst_d3d12_result (hr, decoder->device))
return FALSE;
priv = new GstD3D12DecoderPrivate ();
priv->fence = gst_d3d12_fence_new (decoder->device);
priv->video_device = video_device;
priv->copy_ca = copy_ca;
priv->copy_cl = copy_cl;
priv->ca = ca;
priv->cl = cl;
priv->cq = cq;
decoder->priv = priv;
}
return TRUE;
}
gboolean
gst_d3d12_decoder_close (GstD3D12Decoder * decoder)
{
if (decoder->priv) {
delete decoder->priv;
decoder->priv = nullptr;
}
gst_clear_object (&decoder->device);
gst_clear_object (&decoder->d3d11_device);
return TRUE;
}
GstFlowReturn
gst_d3d12_decoder_configure (GstD3D12Decoder * decoder,
GstVideoCodecState * input_state, const GstVideoInfo * info,
gint crop_x, gint crop_y, gint coded_width,
gint coded_height, guint dpb_size)
{
g_return_val_if_fail (GST_IS_D3D12_DECODER (decoder), GST_FLOW_ERROR);
g_return_val_if_fail (info, GST_FLOW_ERROR);
g_return_val_if_fail (input_state, GST_FLOW_ERROR);
g_return_val_if_fail (coded_width >= GST_VIDEO_INFO_WIDTH (info),
GST_FLOW_ERROR);
g_return_val_if_fail (coded_height >= GST_VIDEO_INFO_HEIGHT (info),
GST_FLOW_ERROR);
g_return_val_if_fail (dpb_size > 0, GST_FLOW_ERROR);
GstD3D12DecoderPrivate *priv = decoder->priv;
GstD3D12Format device_format;
if (!priv) {
GST_ERROR_OBJECT (decoder, "Device is not configured");
return GST_FLOW_ERROR;
}
gst_d3d12_decoder_reset (decoder);
if (!gst_d3d12_device_get_format (decoder->device,
GST_VIDEO_INFO_FORMAT (info), &device_format) ||
device_format.dxgi_format == DXGI_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (decoder, "Could not determine dxgi format from %s",
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info)));
return GST_FLOW_ERROR;
}
if (decoder->codec == GST_DXVA_CODEC_H264)
dpb_size += 1;
priv->input_state = gst_video_codec_state_ref (input_state);
priv->info = priv->output_info = *info;
priv->crop_x = crop_x;
priv->crop_y = crop_y;
priv->coded_width = coded_width;
priv->coded_height = coded_height;
priv->dpb_size = dpb_size;
priv->decoder_format = device_format.dxgi_format;
if (crop_x != 0 || crop_y != 0)
priv->need_crop = TRUE;
else
priv->need_crop = FALSE;
priv->configured = TRUE;
return GST_FLOW_OK;
}
static gboolean
gst_d3d12_decoder_prepare_pool (GstD3D12Decoder * self)
{
GstD3D12DecoderPrivate *priv = self->priv;
GstVideoInfo *info = &priv->info;
GstVideoAlignment align;
GstD3D12AllocationParams *params;
GstStructure *config;
GstCaps *caps;
GST_DEBUG_OBJECT (self, "Preparing allocator");
std::lock_guard < std::mutex > lk (priv->lock);
if (priv->dpb_pool) {
gst_buffer_pool_set_active (priv->dpb_pool, FALSE);
gst_clear_object (&priv->dpb_pool);
}
if (priv->output_pool) {
gst_buffer_pool_set_active (priv->output_pool, FALSE);
gst_clear_object (&priv->output_pool);
}
D3D12_RESOURCE_FLAGS resource_flags;
if ((priv->support.ConfigurationFlags &
D3D12_VIDEO_DECODE_CONFIGURATION_FLAG_REFERENCE_ONLY_ALLOCATIONS_REQUIRED)
!= 0) {
resource_flags =
D3D12_RESOURCE_FLAG_VIDEO_DECODE_REFERENCE_ONLY |
D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE;
priv->reference_only = TRUE;
} else {
resource_flags = D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS;
priv->reference_only = FALSE;
}
GstD3D12AllocationFlags alloc_flags = GST_D3D12_ALLOCATION_FLAG_DEFAULT;
guint max_buffers = priv->dpb_size;
/* Tier 1 decoder requires array */
if (priv->support.DecodeTier == D3D12_VIDEO_DECODE_TIER_1) {
priv->use_array_of_texture = FALSE;
alloc_flags = GST_D3D12_ALLOCATION_FLAG_TEXTURE_ARRAY;
} else {
priv->use_array_of_texture = TRUE;
max_buffers = 0;
}
params = gst_d3d12_allocation_params_new (self->device, info, alloc_flags,
resource_flags);
gst_video_alignment_reset (&align);
align.padding_right = priv->aligned_width - GST_VIDEO_INFO_WIDTH (info);
align.padding_bottom = priv->aligned_height - GST_VIDEO_INFO_HEIGHT (info);
gst_d3d12_allocation_params_alignment (params, &align);
if (!priv->use_array_of_texture)
params->desc[0].DepthOrArraySize = (UINT16) max_buffers;
priv->dpb_pool = gst_d3d12_buffer_pool_new (self->device);
config = gst_buffer_pool_get_config (priv->dpb_pool);
caps = gst_video_info_to_caps (info);
gst_buffer_pool_config_set_d3d12_allocation_params (config, params);
gst_d3d12_allocation_params_free (params);
gst_buffer_pool_config_set_params (config, caps, GST_VIDEO_INFO_SIZE (info),
0, max_buffers);
if (!gst_buffer_pool_set_config (priv->dpb_pool, config)) {
GST_ERROR_OBJECT (self, "Pool config failed");
gst_caps_unref (caps);
return FALSE;
}
gst_buffer_pool_set_active (priv->dpb_pool, TRUE);
/* In case that device requires reference only dpb texture, we need another
* texture pool for outputting without VIDEO_DECODE_REFERENCE_ONLY flag */
if (priv->reference_only) {
GST_DEBUG_OBJECT (self, "Creating output only allocator");
priv->output_pool = gst_d3d12_buffer_pool_new (self->device);
config = gst_buffer_pool_get_config (priv->output_pool);
params = gst_d3d12_allocation_params_new (self->device, info, alloc_flags,
D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS);
gst_d3d12_allocation_params_alignment (params, &align);
gst_buffer_pool_config_set_d3d12_allocation_params (config, params);
gst_d3d12_allocation_params_free (params);
gst_buffer_pool_config_set_params (config, caps, GST_VIDEO_INFO_SIZE (info),
0, 0);
if (!gst_buffer_pool_set_config (priv->output_pool, config)) {
GST_ERROR_OBJECT (self, "Output pool config failed");
gst_caps_unref (caps);
return FALSE;
}
gst_buffer_pool_set_active (priv->output_pool, TRUE);
}
gst_caps_unref (caps);
priv->dpb = std::make_shared < GstD3D12Dpb > ((guint8) priv->dpb_size);
return TRUE;
}
static void
gst_d3d12_decoder_picture_free (GstD3D12DecoderPicture * self)
{
delete self;
}
static GstD3D12DecoderPicture *
gst_d3d12_decoder_picture_new (GstD3D12Decoder * self, GstBuffer * buffer,
GstBuffer * output_buffer, ID3D12VideoDecoderHeap * heap)
{
GstD3D12DecoderPrivate *priv = self->priv;
GstD3D12DecoderPicture *picture;
GstMemory *mem = gst_buffer_peek_memory (buffer, 0);
auto view_id = priv->dpb->Acquire (GST_D3D12_MEMORY_CAST (mem), heap);
if (view_id == 0xff) {
GST_WARNING_OBJECT (self, "No empty picture");
gst_buffer_unref (buffer);
if (output_buffer)
gst_buffer_unref (output_buffer);
return nullptr;
}
picture = new GstD3D12DecoderPicture (buffer, output_buffer, priv->dpb, heap,
view_id);
gst_mini_object_init (picture, 0, GST_TYPE_D3D12_DECODER_PICTURE,
nullptr, nullptr,
(GstMiniObjectFreeFunction) gst_d3d12_decoder_picture_free);
return picture;
}
GstFlowReturn
gst_d3d12_decoder_new_picture (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec, GstCodecPicture * picture)
{
GstD3D12DecoderPrivate *priv;
GstD3D12DecoderPicture *decoder_pic = nullptr;
GstBuffer *buffer;
GstBuffer *output_buffer = nullptr;
GstFlowReturn ret;
g_return_val_if_fail (GST_IS_D3D12_DECODER (decoder), GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), GST_FLOW_ERROR);
g_return_val_if_fail (picture != nullptr, GST_FLOW_ERROR);
priv = decoder->priv;
if (!priv->dpb_pool) {
/* Try negotiate again whatever the previous negotiation result was.
* There could be updated field(s) in sinkpad caps after we negotiated with
* downstream on new_sequence() call. For example, h264/h265 parse
* will be able to update HDR10 related caps field after parsing
* corresponding SEI messages which are usually placed after the essential
* headers */
gst_video_decoder_negotiate (videodec);
if (!gst_d3d12_decoder_prepare_pool (decoder)) {
GST_ERROR_OBJECT (videodec, "Failed to setup dpb pool");
return GST_FLOW_ERROR;
}
}
ret = gst_buffer_pool_acquire_buffer (priv->dpb_pool, &buffer, nullptr);
if (ret != GST_FLOW_OK) {
GST_WARNING_OBJECT (videodec, "Couldn't acquire memory");
return ret;
}
if (priv->reference_only) {
ret = gst_buffer_pool_acquire_buffer (priv->output_pool,
&output_buffer, nullptr);
if (ret != GST_FLOW_OK) {
GST_WARNING_OBJECT (videodec, "Couldn't acquire output memory");
gst_buffer_unref (buffer);
return ret;
}
}
decoder_pic = gst_d3d12_decoder_picture_new (decoder, buffer, output_buffer,
priv->heap.Get ());
if (!decoder_pic) {
GST_ERROR_OBJECT (videodec, "Couldn't create new picture");
return GST_FLOW_ERROR;
}
gst_codec_picture_set_user_data (picture, decoder_pic,
(GDestroyNotify) gst_mini_object_unref);
return GST_FLOW_OK;
}
GstFlowReturn
gst_d3d12_decoder_duplicate_picture (GstD3D12Decoder * decoder,
GstCodecPicture * src, GstCodecPicture * dst)
{
GstD3D12DecoderPicture *decoder_pic =
(GstD3D12DecoderPicture *) gst_codec_picture_get_user_data (src);
if (!decoder_pic)
return GST_FLOW_ERROR;
gst_codec_picture_set_user_data (dst, gst_mini_object_ref (decoder_pic),
(GDestroyNotify) gst_mini_object_unref);
return GST_FLOW_OK;
}
guint8
gst_d3d12_decoder_get_picture_id (GstD3D12Decoder * decoder,
GstCodecPicture * picture)
{
GstD3D12DecoderPicture *decoder_pic =
(GstD3D12DecoderPicture *) gst_codec_picture_get_user_data (picture);
if (!picture)
return 0xff;
return decoder_pic->view_id;
}
GstFlowReturn
gst_d3d12_decoder_start_picture (GstD3D12Decoder * decoder,
GstCodecPicture * picture, guint8 * picture_id)
{
GstD3D12DecoderPicture *decoder_pic =
(GstD3D12DecoderPicture *) gst_codec_picture_get_user_data (picture);
if (picture_id)
*picture_id = 0xff;
if (!decoder_pic)
return GST_FLOW_ERROR;
if (picture_id)
*picture_id = decoder_pic->view_id;
return GST_FLOW_OK;
}
static gboolean
gst_d3d12_decoder_upload_bitstream (GstD3D12Decoder * self, gpointer data,
gsize size)
{
GstD3D12DecoderPrivate *priv = self->priv;
gpointer map_data;
HRESULT hr;
if (priv->bitstream && priv->bitstream_size < size)
priv->bitstream = nullptr;
if (!priv->bitstream) {
ID3D12Device *device_handle =
gst_d3d12_device_get_device_handle (self->device);
ComPtr < ID3D12Resource > bitstream;
size_t alloc_size = GST_ROUND_UP_128 (size) + 1024;
D3D12_HEAP_PROPERTIES heap_prop =
CD3D12_HEAP_PROPERTIES (D3D12_HEAP_TYPE_UPLOAD);
D3D12_RESOURCE_DESC desc = CD3D12_RESOURCE_DESC::Buffer (alloc_size);
hr = device_handle->CreateCommittedResource (&heap_prop,
D3D12_HEAP_FLAG_NONE, &desc,
D3D12_RESOURCE_STATE_COMMON, nullptr, IID_PPV_ARGS (&bitstream));
if (!gst_d3d12_result (hr, self->device)) {
GST_ERROR_OBJECT (self, "Failed to create bitstream buffer");
return FALSE;
}
GST_LOG_OBJECT (self, "Allocated new bitstream buffer with size %"
G_GSIZE_FORMAT, size);
priv->bitstream = bitstream;
priv->bitstream_size = alloc_size;
}
hr = priv->bitstream->Map (0, nullptr, &map_data);
if (!gst_d3d12_result (hr, self->device)) {
GST_ERROR_OBJECT (self, "Couldn't map bitstream buffer");
return FALSE;
}
memcpy (map_data, data, size);
priv->bitstream->Unmap (0, nullptr);
return TRUE;
}
GstFlowReturn
gst_d3d12_decoder_end_picture (GstD3D12Decoder * decoder,
GstCodecPicture * picture, GPtrArray * ref_pics,
const GstDxvaDecodingArgs * args)
{
GstD3D12DecoderPrivate *priv = decoder->priv;
HRESULT hr;
D3D12_VIDEO_DECODE_OUTPUT_STREAM_ARGUMENTS out_args;
D3D12_VIDEO_DECODE_INPUT_STREAM_ARGUMENTS in_args;
ID3D12Resource *resource;
ID3D12Resource *out_resource = nullptr;
GstD3D12Memory *dmem;
UINT subresource[2];
GstD3D12DecoderPicture *decoder_pic = (GstD3D12DecoderPicture *)
gst_codec_picture_get_user_data (picture);
UINT64 fence_value;
ID3D12Fence *fence_handle;
std::vector < D3D12_RESOURCE_BARRIER > pre_barriers;
std::vector < D3D12_RESOURCE_BARRIER > post_barriers;
std::vector < GstD3D12DecoderPicture * >configured_ref_pics;
if (!decoder_pic) {
GST_ERROR_OBJECT (decoder, "No attached decoder picture");
return GST_FLOW_ERROR;
}
if (!args->bitstream || args->bitstream_size == 0) {
GST_ERROR_OBJECT (decoder, "No bitstream buffer passed");
return GST_FLOW_ERROR;
}
GST_LOG_OBJECT (decoder, "End picture with dxva-id %d, num-ref-pics %u",
decoder_pic->view_id, ref_pics->len);
/* Wait for previous fence if needed */
gst_d3d12_fence_wait (priv->fence);
if (!gst_d3d12_decoder_upload_bitstream (decoder, args->bitstream,
args->bitstream_size)) {
return GST_FLOW_ERROR;
}
memset (&in_args, 0, sizeof (D3D12_VIDEO_DECODE_INPUT_STREAM_ARGUMENTS));
memset (&out_args, 0, sizeof (D3D12_VIDEO_DECODE_OUTPUT_STREAM_ARGUMENTS));
hr = priv->ca->Reset ();
if (!gst_d3d12_result (hr, decoder->device)) {
GST_ERROR_OBJECT (decoder, "Couldn't reset command allocator");
return GST_FLOW_ERROR;
}
hr = priv->cl->Reset (priv->ca.Get ());
if (!gst_d3d12_result (hr, decoder->device)) {
GST_ERROR_OBJECT (decoder, "Couldn't reset command list");
return GST_FLOW_ERROR;
}
for (guint i = 0; i < ref_pics->len; i++) {
GstCodecPicture *ref_pic =
(GstCodecPicture *) g_ptr_array_index (ref_pics, i);
GstD3D12DecoderPicture *ref_dec_pic =
(GstD3D12DecoderPicture *) gst_codec_picture_get_user_data (ref_pic);
if (!ref_dec_pic || ref_dec_pic == decoder_pic)
continue;
if (std::find (configured_ref_pics.begin (), configured_ref_pics.end (),
ref_dec_pic) != configured_ref_pics.end ()) {
continue;
}
configured_ref_pics.push_back (ref_dec_pic);
dmem = (GstD3D12Memory *) gst_buffer_peek_memory (ref_dec_pic->buffer, 0);
resource = gst_d3d12_memory_get_resource_handle (dmem);
gst_d3d12_memory_get_subresource_index (dmem, 0, &subresource[0]);
gst_d3d12_memory_get_subresource_index (dmem, 1, &subresource[1]);
pre_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_VIDEO_DECODE_READ,
subresource[0]));
pre_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_VIDEO_DECODE_READ,
subresource[1]));
post_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_VIDEO_DECODE_READ, D3D12_RESOURCE_STATE_COMMON,
subresource[0]));
post_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_VIDEO_DECODE_READ, D3D12_RESOURCE_STATE_COMMON,
subresource[1]));
}
if (decoder_pic->output_buffer) {
dmem = (GstD3D12Memory *)
gst_buffer_peek_memory (decoder_pic->output_buffer, 0);
out_resource = gst_d3d12_memory_get_resource_handle (dmem);
pre_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (out_resource,
D3D12_RESOURCE_STATE_COMMON,
D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE));
post_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (out_resource,
D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE,
D3D12_RESOURCE_STATE_COMMON));
}
dmem = (GstD3D12Memory *) gst_buffer_peek_memory (decoder_pic->buffer, 0);
resource = gst_d3d12_memory_get_resource_handle (dmem);
gst_d3d12_memory_get_subresource_index (GST_D3D12_MEMORY_CAST (dmem), 0,
&subresource[0]);
gst_d3d12_memory_get_subresource_index (GST_D3D12_MEMORY_CAST (dmem), 1,
&subresource[1]);
pre_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE,
subresource[0]));
pre_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE,
subresource[1]));
post_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE, D3D12_RESOURCE_STATE_COMMON,
subresource[0]));
post_barriers.push_back (CD3D12_RESOURCE_BARRIER::Transition (resource,
D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE, D3D12_RESOURCE_STATE_COMMON,
subresource[1]));
priv->cl->ResourceBarrier (pre_barriers.size (), &pre_barriers[0]);
if (out_resource) {
out_args.pOutputTexture2D = out_resource;
out_args.OutputSubresource = 0;
out_args.ConversionArguments.Enable = TRUE;
out_args.ConversionArguments.pReferenceTexture2D = resource;
out_args.ConversionArguments.ReferenceSubresource = subresource[0];
} else {
out_args.pOutputTexture2D = resource;
out_args.OutputSubresource = subresource[0];
out_args.ConversionArguments.Enable = FALSE;
}
if (args->picture_params) {
in_args.FrameArguments[in_args.NumFrameArguments].Type =
D3D12_VIDEO_DECODE_ARGUMENT_TYPE_PICTURE_PARAMETERS;
in_args.FrameArguments[in_args.NumFrameArguments].Size =
args->picture_params_size;
in_args.FrameArguments[in_args.NumFrameArguments].pData =
args->picture_params;
in_args.NumFrameArguments++;
}
if (args->slice_control) {
in_args.FrameArguments[in_args.NumFrameArguments].Type =
D3D12_VIDEO_DECODE_ARGUMENT_TYPE_SLICE_CONTROL;
in_args.FrameArguments[in_args.NumFrameArguments].Size =
args->slice_control_size;
in_args.FrameArguments[in_args.NumFrameArguments].pData =
args->slice_control;
in_args.NumFrameArguments++;
}
if (args->inverse_quantization_matrix) {
in_args.FrameArguments[in_args.NumFrameArguments].Type =
D3D12_VIDEO_DECODE_ARGUMENT_TYPE_INVERSE_QUANTIZATION_MATRIX;
in_args.FrameArguments[in_args.NumFrameArguments].Size =
args->inverse_quantization_matrix_size;
in_args.FrameArguments[in_args.NumFrameArguments].pData =
args->inverse_quantization_matrix;
in_args.NumFrameArguments++;
}
in_args.CompressedBitstream.pBuffer = priv->bitstream.Get ();
in_args.CompressedBitstream.Offset = 0;
in_args.CompressedBitstream.Size = args->bitstream_size;
in_args.pHeap = decoder_pic->heap.Get ();
in_args.ReferenceFrames.NumTexture2Ds = priv->dpb->GetSize ();
in_args.ReferenceFrames.ppHeaps = priv->dpb->GetHeaps ();
in_args.ReferenceFrames.ppTexture2Ds = priv->dpb->GetTextures ();
in_args.ReferenceFrames.pSubresources = priv->dpb->GetSubresources ();
priv->cl->DecodeFrame (priv->decoder.Get (), &out_args, &in_args);
priv->cl->ResourceBarrier (post_barriers.size (), &post_barriers[0]);
hr = priv->cl->Close ();
if (!gst_d3d12_result (hr, decoder->device)) {
GST_ERROR_OBJECT (decoder, "Couldn't record decoding command");
return GST_FLOW_ERROR;
}
ID3D12CommandList *cl[] = { priv->cl.Get () };
priv->cq->ExecuteCommandLists (1, cl);
fence_handle = gst_d3d12_fence_get_handle (priv->fence);
fence_value = gst_d3d12_device_get_fence_value (decoder->device);
hr = priv->cq->Signal (fence_handle, fence_value);
if (!gst_d3d12_result (hr, decoder->device)) {
GST_DEBUG_OBJECT (decoder, "Couldn't signal fence value");
return GST_FLOW_ERROR;
}
gst_d3d12_fence_set_event_on_completion_value (priv->fence, fence_value);
/* Will wait on output picture or start of next decoding loop */
return GST_FLOW_OK;
}
static gboolean
gst_d3d12_decoder_ensure_staging_texture (GstD3D12Decoder * self)
{
GstD3D12DecoderPrivate *priv = self->priv;
if (priv->staging)
return TRUE;
ComPtr < ID3D12Resource > staging;
HRESULT hr;
UINT64 size;
ID3D12Device *device = gst_d3d12_device_get_device_handle (self->device);
D3D12_RESOURCE_DESC tex_desc =
CD3D12_RESOURCE_DESC::Tex2D (priv->decoder_format,
priv->aligned_width, priv->aligned_height);
device->GetCopyableFootprints (&tex_desc, 0, 2, 0, priv->layout, nullptr,
nullptr, &size);
D3D12_HEAP_PROPERTIES heap_prop = CD3D12_HEAP_PROPERTIES
(D3D12_HEAP_TYPE_READBACK);
D3D12_RESOURCE_DESC desc = CD3D12_RESOURCE_DESC::Buffer (size);
hr = device->CreateCommittedResource (&heap_prop, D3D12_HEAP_FLAG_NONE,
&desc, D3D12_RESOURCE_STATE_COPY_DEST, nullptr, IID_PPV_ARGS (&staging));
if (!gst_d3d12_result (hr, self->device))
return FALSE;
priv->staging = staging;
return TRUE;
}
static gboolean
gst_d3d12_decoder_can_direct_render (GstD3D12Decoder * self,
GstVideoDecoder * videodec, GstBuffer * buffer,
gint display_width, gint display_height)
{
GstD3D12DecoderPrivate *priv = self->priv;
/* We don't support direct render for reverse playback */
if (videodec->input_segment.rate < 0)
return FALSE;
if (priv->output_type != GST_D3D12_DECODER_OUTPUT_D3D12)
return FALSE;
if (display_width != GST_VIDEO_INFO_WIDTH (&priv->info) ||
display_height != GST_VIDEO_INFO_HEIGHT (&priv->info)) {
return FALSE;
}
/* We need to crop but downstream does not support crop, need to copy */
if (priv->need_crop && !priv->use_crop_meta)
return FALSE;
/* we can do direct render in this case, since there is no DPB pool size
* limit, or output picture does not use texture array */
if (priv->use_array_of_texture || priv->reference_only)
return TRUE;
/* Let's believe downstream info */
if (priv->wait_on_pool_full)
return TRUE;
GstMemory *mem = gst_buffer_peek_memory (buffer, 0);
GstD3D12PoolAllocator *alloc = (GstD3D12PoolAllocator *) mem->allocator;
guint max_size = 0;
guint outstanding_size = 0;
gst_d3d12_pool_allocator_get_pool_size (alloc, &max_size, &outstanding_size);
if (max_size <= outstanding_size + 1) {
GST_DEBUG_OBJECT (self, "memory pool is about to full (%u/%u)",
outstanding_size, max_size);
return FALSE;
}
return TRUE;
}
GstFlowReturn
gst_d3d12_decoder_output_picture (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec, GstVideoCodecFrame * frame,
GstCodecPicture * picture, GstVideoBufferFlags buffer_flags,
gint display_width, gint display_height)
{
GstD3D12DecoderPrivate *priv = decoder->priv;
GstD3D12DecoderPicture *decoder_pic;
GstFlowReturn ret = GST_FLOW_ERROR;
ID3D12CommandList *list[1];
UINT64 fence_value;
GstBuffer *buffer;
GstD3D12Memory *dmem;
ID3D12Resource *resource;
UINT subresource[2];
void *map_data;
HRESULT hr;
GstVideoFrame vframe;
ID3D12CommandQueue *copy_queue;
g_return_val_if_fail (GST_IS_D3D12_DECODER (decoder), GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), GST_FLOW_ERROR);
g_return_val_if_fail (picture != nullptr, GST_FLOW_ERROR);
priv = decoder->priv;
copy_queue = gst_d3d12_device_get_copy_queue (decoder->device);
if (!copy_queue) {
ret = GST_FLOW_ERROR;
goto error;
}
decoder_pic = (GstD3D12DecoderPicture *)
gst_codec_picture_get_user_data (picture);
if (!decoder_pic) {
ret = GST_FLOW_ERROR;
goto error;
}
if (display_width != GST_VIDEO_INFO_WIDTH (&priv->output_info) ||
display_height != GST_VIDEO_INFO_HEIGHT (&priv->output_info)) {
GST_INFO_OBJECT (videodec, "Frame size changed, do renegotiate");
gst_video_info_set_format (&priv->output_info,
GST_VIDEO_INFO_FORMAT (&priv->info), display_width, display_height);
GST_VIDEO_INFO_INTERLACE_MODE (&priv->output_info) =
GST_VIDEO_INFO_INTERLACE_MODE (&priv->info);
if (!gst_video_decoder_negotiate (videodec)) {
GST_ERROR_OBJECT (videodec, "Failed to re-negotiate with new frame size");
ret = GST_FLOW_NOT_NEGOTIATED;
goto error;
}
} else if (picture->discont_state) {
if (!gst_video_decoder_negotiate (videodec)) {
GST_ERROR_OBJECT (videodec, "Could not re-negotiate with updated state");
ret = GST_FLOW_NOT_NEGOTIATED;
goto error;
}
}
/* Wait for pending decoding operation before copying */
gst_d3d12_fence_wait (priv->fence);
buffer = decoder_pic->output_buffer ?
decoder_pic->output_buffer : decoder_pic->buffer;
dmem = (GstD3D12Memory *) gst_buffer_peek_memory (buffer, 0);
if (gst_d3d12_decoder_can_direct_render (decoder, videodec,
decoder_pic->buffer, display_width, display_height)) {
GST_LOG_OBJECT (decoder, "Outputting without copy");
GST_MINI_OBJECT_FLAG_SET (dmem, GST_D3D12_MEMORY_TRANSFER_NEED_DOWNLOAD);
GST_MINI_OBJECT_FLAG_UNSET (dmem, GST_D3D12_MEMORY_TRANSFER_NEED_UPLOAD);
if (priv->need_crop) {
GstVideoCropMeta *crop_meta;
buffer = gst_buffer_make_writable (buffer);
crop_meta = gst_buffer_get_video_crop_meta (buffer);
if (!crop_meta)
crop_meta = gst_buffer_add_video_crop_meta (buffer);
crop_meta->x = priv->crop_x;
crop_meta->y = priv->crop_y;
crop_meta->width = priv->info.width;
crop_meta->height = priv->info.height;
GST_TRACE_OBJECT (decoder, "Attatching crop meta");
}
frame->output_buffer = gst_buffer_ref (buffer);
} else {
GstMemory *mem;
ID3D12Resource *out_resource = nullptr;
UINT out_subresource[2];
GstD3D12Fence *out_fence = priv->fence;
ComPtr < ID3D12Resource > shared_resource;
ret = gst_video_decoder_allocate_output_frame (videodec, frame);
if (ret != GST_FLOW_OK) {
GST_ERROR_OBJECT (videodec, "Couldn't allocate output buffer");
goto error;
}
mem = gst_buffer_peek_memory (frame->output_buffer, 0);
if (gst_is_d3d12_memory (mem)) {
dmem = GST_D3D12_MEMORY_CAST (mem);
if (dmem->device == decoder->device) {
out_resource = gst_d3d12_memory_get_resource_handle (dmem);
gst_d3d12_memory_get_subresource_index (dmem, 0, &out_subresource[0]);
gst_d3d12_memory_get_subresource_index (dmem, 1, &out_subresource[1]);
out_fence = dmem->fence;
GST_MINI_OBJECT_FLAG_SET (dmem,
GST_D3D12_MEMORY_TRANSFER_NEED_DOWNLOAD);
GST_MINI_OBJECT_FLAG_UNSET (dmem,
GST_D3D12_MEMORY_TRANSFER_NEED_UPLOAD);
}
} else if (gst_is_d3d11_memory (mem) &&
GST_D3D11_MEMORY_CAST (mem)->device == decoder->d3d11_device) {
HANDLE resource_handle;
if (gst_d3d11_memory_get_nt_handle (GST_D3D11_MEMORY_CAST (mem),
&resource_handle)) {
ID3D12Device *device_handle =
gst_d3d12_device_get_device_handle (decoder->device);
hr = device_handle->OpenSharedHandle (resource_handle,
IID_PPV_ARGS (&shared_resource));
if (gst_d3d12_result (hr, decoder->device)) {
out_resource = shared_resource.Get ();
out_subresource[0] = 0;
out_subresource[1] = 1;
GST_MINI_OBJECT_FLAG_SET (mem,
GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
GST_MINI_OBJECT_FLAG_UNSET (mem,
GST_D3D11_MEMORY_TRANSFER_NEED_UPLOAD);
}
}
}
if (!out_resource && !gst_d3d12_decoder_ensure_staging_texture (decoder)) {
GST_ERROR_OBJECT (videodec, "Couldn't allocate staging texture");
ret = GST_FLOW_ERROR;
goto error;
}
resource = gst_d3d12_memory_get_resource_handle (dmem);
gst_d3d12_memory_get_subresource_index (dmem, 0, &subresource[0]);
gst_d3d12_memory_get_subresource_index (dmem, 1, &subresource[1]);
/* Copy texture to staging */
hr = priv->copy_ca->Reset ();
if (!gst_d3d12_result (hr, decoder->device)) {
ret = GST_FLOW_ERROR;
goto error;
}
hr = priv->copy_cl->Reset (priv->copy_ca.Get (), nullptr);
if (!gst_d3d12_result (hr, decoder->device)) {
ret = GST_FLOW_ERROR;
goto error;
}
if (shared_resource)
gst_d3d11_device_lock (decoder->d3d11_device);
/* simultaneous access must be enabled already, so,barrier is not needed */
for (guint i = 0; i < 2; i++) {
D3D12_TEXTURE_COPY_LOCATION src =
CD3D12_TEXTURE_COPY_LOCATION (resource, subresource[i]);
D3D12_TEXTURE_COPY_LOCATION dst;
D3D12_BOX src_box = { 0, };
if (out_resource) {
dst = CD3D12_TEXTURE_COPY_LOCATION (out_resource, out_subresource[i]);
} else {
dst =
CD3D12_TEXTURE_COPY_LOCATION (priv->staging.Get (),
priv->layout[i]);
}
/* FIXME: only 4:2:0 */
if (i == 0) {
src_box.left = GST_ROUND_UP_2 (priv->crop_x);
src_box.top = GST_ROUND_UP_2 (priv->crop_y);
src_box.right = GST_ROUND_UP_2 (priv->crop_x + priv->output_info.width);
src_box.bottom =
GST_ROUND_UP_2 (priv->crop_y + priv->output_info.height);
} else {
src_box.left = GST_ROUND_UP_2 (priv->crop_x) / 2;
src_box.top = GST_ROUND_UP_2 (priv->crop_y) / 2;
src_box.right =
GST_ROUND_UP_2 (priv->crop_x + priv->output_info.width) / 2;
src_box.bottom =
GST_ROUND_UP_2 (priv->crop_y + priv->output_info.height) / 2;
}
src_box.front = 0;
src_box.back = 1;
priv->copy_cl->CopyTextureRegion (&dst, 0, 0, 0, &src, &src_box);
}
hr = priv->copy_cl->Close ();
if (!gst_d3d12_result (hr, decoder->device)) {
GST_ERROR_OBJECT (videodec, "Couldn't record copy command");
if (shared_resource)
gst_d3d11_device_unlock (decoder->d3d11_device);
ret = GST_FLOW_ERROR;
goto error;
}
list[0] = priv->copy_cl.Get ();
copy_queue->ExecuteCommandLists (1, list);
fence_value = gst_d3d12_device_get_fence_value (decoder->device);
hr = copy_queue->Signal (gst_d3d12_fence_get_handle (out_fence),
fence_value);
if (!gst_d3d12_result (hr, decoder->device)) {
if (shared_resource)
gst_d3d11_device_unlock (decoder->d3d11_device);
ret = GST_FLOW_ERROR;
goto error;
}
gst_d3d12_fence_set_event_on_completion_value (out_fence, fence_value);
if (!out_resource) {
gst_d3d12_fence_wait (out_fence);
hr = priv->staging->Map (0, nullptr, &map_data);
if (!gst_d3d12_result (hr, decoder->device)) {
ret = GST_FLOW_ERROR;
goto error;
}
gst_video_frame_map (&vframe,
&priv->output_info, frame->output_buffer, GST_MAP_WRITE);
for (guint i = 0; i < GST_VIDEO_FRAME_N_PLANES (&vframe); i++) {
guint8 *src = (guint8 *) map_data + priv->layout[i].Offset;
guint8 *dst = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, i);
gint width = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, i) *
GST_VIDEO_FRAME_COMP_PSTRIDE (&vframe, i);
for (gint j = 0; j < GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, i); j++) {
memcpy (dst, src, width);
dst += GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, i);
src += priv->layout[i].Footprint.RowPitch;
}
}
priv->staging->Unmap (0, nullptr);
gst_video_frame_unmap (&vframe);
} else if (shared_resource) {
gst_d3d12_fence_wait (out_fence);
gst_d3d11_device_unlock (decoder->d3d11_device);
}
}
gst_codec_picture_unref (picture);
return gst_video_decoder_finish_frame (videodec, frame);
error:
gst_codec_picture_unref (picture);
gst_video_decoder_release_frame (videodec, frame);
return ret;
}
static gboolean
gst_d3d12_decoder_create (GstD3D12Decoder * self)
{
GstD3D12DecoderPrivate *priv = self->priv;
HRESULT hr;
gint aligned_width, aligned_height;
ID3D12VideoDevice *video_device;
GstVideoInfo *info = &priv->info;
D3D12_FEATURE_DATA_VIDEO_DECODE_SUPPORT support;
ComPtr < ID3D12VideoDecoderHeap > heap;
if (priv->opened)
return TRUE;
if (!priv->configured) {
GST_ERROR_OBJECT (self, "Should configure first");
return FALSE;
}
video_device = priv->video_device.Get ();
const DecoderFormat *decoder_foramt = nullptr;
for (guint i = 0; i < G_N_ELEMENTS (format_list); i++) {
decoder_foramt = nullptr;
if (format_list[i].codec != self->codec)
continue;
for (guint j = 0; j < G_N_ELEMENTS (format_list[i].format); j++) {
DXGI_FORMAT format = format_list[i].format[j];
if (format == DXGI_FORMAT_UNKNOWN)
break;
if (format == priv->decoder_format) {
decoder_foramt = &format_list[i];
break;
}
}
if (!decoder_foramt)
continue;
D3D12_FEATURE_DATA_VIDEO_DECODE_SUPPORT s;
s.NodeIndex = 0;
s.Configuration.DecodeProfile = format_list[i].decode_profile;
s.Configuration.BitstreamEncryption = D3D12_BITSTREAM_ENCRYPTION_TYPE_NONE;
if (GST_VIDEO_INFO_IS_INTERLACED (info) &&
GST_VIDEO_INFO_INTERLACE_MODE (info) !=
GST_VIDEO_INTERLACE_MODE_ALTERNATE) {
s.Configuration.InterlaceType =
D3D12_VIDEO_FRAME_CODED_INTERLACE_TYPE_FIELD_BASED;
} else {
s.Configuration.InterlaceType =
D3D12_VIDEO_FRAME_CODED_INTERLACE_TYPE_NONE;
}
s.DecodeFormat = priv->decoder_format;
s.FrameRate = { 0, 1 };
s.BitRate = 0;
s.Width = priv->coded_width;
s.Height = priv->coded_height;
hr = video_device->CheckFeatureSupport (D3D12_FEATURE_VIDEO_DECODE_SUPPORT,
&s, sizeof (D3D12_FEATURE_DATA_VIDEO_DECODE_SUPPORT));
if (FAILED (hr))
continue;
if ((s.SupportFlags & D3D12_VIDEO_DECODE_SUPPORT_FLAG_SUPPORTED) == 0) {
GST_INFO_OBJECT (self, "Device doesn't support current configuration");
continue;
}
support = s;
GST_INFO_OBJECT (self,
"Created decoder support tier %d with configuration flags 0x%x",
support.DecodeTier, support.ConfigurationFlags);
break;
}
if (!decoder_foramt) {
GST_WARNING_OBJECT (self, "Failed to find supported configuration");
return FALSE;
}
guint alignment = 16;
if ((support.ConfigurationFlags &
D3D12_VIDEO_DECODE_CONFIGURATION_FLAG_HEIGHT_ALIGNMENT_MULTIPLE_32_REQUIRED)
!= 0) {
alignment = 32;
}
aligned_width = GST_ROUND_UP_N (priv->coded_width, alignment);
aligned_height = GST_ROUND_UP_N (priv->coded_height, alignment);
priv->aligned_width = aligned_width;
priv->aligned_height = aligned_height;
/* We can reuse decoder object, which is resolution independent */
if (!priv->decoder ||
priv->support.Configuration.DecodeProfile !=
support.Configuration.DecodeProfile
|| priv->support.Configuration.InterlaceType !=
support.Configuration.InterlaceType) {
ComPtr < ID3D12VideoDecoder > decoder;
priv->decoder = nullptr;
D3D12_VIDEO_DECODER_DESC desc;
desc.NodeMask = 0;
desc.Configuration = support.Configuration;
hr = video_device->CreateVideoDecoder (&desc, IID_PPV_ARGS (&decoder));
if (!gst_d3d12_result (hr, self->device)) {
GST_ERROR_OBJECT (self, "Failed to create decoder");
return FALSE;
}
priv->decoder = decoder;
}
D3D12_VIDEO_DECODER_HEAP_DESC heap_desc;
heap_desc.NodeMask = 0;
heap_desc.Configuration = support.Configuration;
heap_desc.DecodeWidth = priv->aligned_width;
heap_desc.DecodeHeight = priv->aligned_height;
heap_desc.Format = priv->decoder_format;
heap_desc.FrameRate = { 0, 1 };
heap_desc.BitRate = 0;
heap_desc.MaxDecodePictureBufferCount = priv->dpb_size;
hr = video_device->CreateVideoDecoderHeap (&heap_desc, IID_PPV_ARGS (&heap));
if (!gst_d3d12_result (hr, self->device)) {
GST_ERROR_OBJECT (self, "Failed to create decoder heap");
return FALSE;
}
priv->heap = heap;
priv->support = support;
priv->opened = TRUE;
return TRUE;
}
gboolean
gst_d3d12_decoder_negotiate (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec)
{
g_return_val_if_fail (GST_IS_D3D12_DECODER (decoder), FALSE);
g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), FALSE);
GstD3D12DecoderPrivate *priv = decoder->priv;
GstVideoInfo *info = &priv->output_info;
GstCaps *peer_caps;
GstVideoCodecState *state = nullptr;
GstVideoCodecState *input_state = priv->input_state;
GstStructure *s;
const gchar *str;
gboolean d3d12_supported = FALSE;
gboolean d3d11_supported = FALSE;
peer_caps = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (videodec));
GST_DEBUG_OBJECT (videodec, "Allowed caps %" GST_PTR_FORMAT, peer_caps);
if (!peer_caps || gst_caps_is_any (peer_caps)) {
GST_DEBUG_OBJECT (videodec,
"cannot determine output format, use system memory");
} else {
GstCapsFeatures *features;
guint size = gst_caps_get_size (peer_caps);
guint i;
for (i = 0; i < size; i++) {
features = gst_caps_get_features (peer_caps, i);
if (!features)
continue;
if (gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY)) {
d3d12_supported = TRUE;
} else if (gst_caps_features_contains (features,
GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY)) {
d3d11_supported = TRUE;
}
}
}
gst_clear_caps (&peer_caps);
GST_DEBUG_OBJECT (videodec, "Downstream feature support, D3D12 memory: %d",
d3d12_supported);
/* TODO: add support alternate interlace */
state = gst_video_decoder_set_interlaced_output_state (videodec,
GST_VIDEO_INFO_FORMAT (info), GST_VIDEO_INFO_INTERLACE_MODE (info),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info), input_state);
if (!state) {
GST_ERROR_OBJECT (decoder, "Couldn't set output state");
return FALSE;
}
state->caps = gst_video_info_to_caps (&state->info);
s = gst_caps_get_structure (input_state->caps, 0);
str = gst_structure_get_string (s, "mastering-display-info");
if (str) {
gst_caps_set_simple (state->caps,
"mastering-display-info", G_TYPE_STRING, str, nullptr);
}
str = gst_structure_get_string (s, "content-light-level");
if (str) {
gst_caps_set_simple (state->caps,
"content-light-level", G_TYPE_STRING, str, nullptr);
}
g_clear_pointer (&priv->output_state, gst_video_codec_state_unref);
priv->output_state = state;
priv->output_type = GST_D3D12_DECODER_OUTPUT_SYSTEM;
if (d3d12_supported) {
gst_caps_set_features (state->caps, 0,
gst_caps_features_new_single (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY));
priv->output_type = GST_D3D12_DECODER_OUTPUT_D3D12;
} else if (d3d11_supported
&& gst_d3d11_ensure_element_data_for_adapter_luid (GST_ELEMENT (videodec),
decoder->adapter_luid, &decoder->d3d11_device)) {
gst_caps_set_features (state->caps, 0,
gst_caps_features_new_single (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY));
priv->output_type = GST_D3D12_DECODER_OUTPUT_D3D11;
}
return gst_d3d12_decoder_create (decoder);
}
gboolean
gst_d3d12_decoder_decide_allocation (GstD3D12Decoder * decoder,
GstVideoDecoder * videodec, GstQuery * query)
{
GstD3D12DecoderPrivate *priv = decoder->priv;
GstCaps *outcaps;
GstBufferPool *pool = nullptr;
guint n, size, min = 0, max = 0;
GstVideoInfo vinfo = { 0, };
GstStructure *config;
g_return_val_if_fail (GST_IS_D3D12_DECODER (decoder), FALSE);
g_return_val_if_fail (GST_IS_VIDEO_DECODER (videodec), FALSE);
g_return_val_if_fail (query != nullptr, FALSE);
if (!priv->opened) {
GST_ERROR_OBJECT (videodec, "Should open decoder first");
return FALSE;
}
gst_query_parse_allocation (query, &outcaps, nullptr);
if (!outcaps) {
GST_DEBUG_OBJECT (decoder, "No output caps");
return FALSE;
}
if (priv->output_type == GST_D3D12_DECODER_OUTPUT_D3D12) {
priv->use_crop_meta =
gst_query_find_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE,
nullptr);
} else {
priv->use_crop_meta = FALSE;
}
gst_video_info_from_caps (&vinfo, outcaps);
n = gst_query_get_n_allocation_pools (query);
if (n > 0)
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
if (pool) {
if (priv->output_type == GST_D3D12_DECODER_OUTPUT_D3D12) {
if (!GST_IS_D3D12_BUFFER_POOL (pool)) {
GST_DEBUG_OBJECT (videodec,
"Downstream pool is not d3d12, will create new one");
gst_clear_object (&pool);
} else {
GstD3D12BufferPool *dpool = GST_D3D12_BUFFER_POOL (pool);
if (dpool->device != decoder->device) {
GST_DEBUG_OBJECT (videodec, "Different device, will create new one");
gst_clear_object (&pool);
}
}
} else if (priv->output_type == GST_D3D12_DECODER_OUTPUT_D3D11) {
if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
GST_DEBUG_OBJECT (videodec,
"Downstream pool is not d3d11, will create new one");
gst_clear_object (&pool);
} else {
GstD3D11BufferPool *dpool = GST_D3D11_BUFFER_POOL (pool);
if (dpool->device != decoder->d3d11_device) {
GST_DEBUG_OBJECT (videodec, "Different device, will create new one");
gst_clear_object (&pool);
}
}
}
}
if (!pool) {
switch (priv->output_type) {
case GST_D3D12_DECODER_OUTPUT_D3D12:
pool = gst_d3d12_buffer_pool_new (decoder->device);
break;
case GST_D3D12_DECODER_OUTPUT_D3D11:
pool = gst_d3d11_buffer_pool_new (decoder->d3d11_device);
break;
default:
pool = gst_video_buffer_pool_new ();
break;
}
size = (guint) vinfo.size;
}
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
if (priv->output_type == GST_D3D12_DECODER_OUTPUT_D3D12) {
GstD3D12AllocationParams *params;
GstVideoAlignment align;
gint width, height;
gst_video_alignment_reset (&align);
params = gst_buffer_pool_config_get_d3d12_allocation_params (config);
if (!params) {
params = gst_d3d12_allocation_params_new (decoder->device, &vinfo,
GST_D3D12_ALLOCATION_FLAG_DEFAULT,
D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS);
} else {
params->desc[0].Flags |= D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS;
}
width = GST_VIDEO_INFO_WIDTH (&vinfo);
height = GST_VIDEO_INFO_HEIGHT (&vinfo);
/* need alignment to copy decoder output texture to downstream texture */
align.padding_right = GST_ROUND_UP_16 (width) - width;
align.padding_bottom = GST_ROUND_UP_16 (height) - height;
gst_d3d12_allocation_params_alignment (params, &align);
gst_buffer_pool_config_set_d3d12_allocation_params (config, params);
gst_d3d12_allocation_params_free (params);
/* Store min buffer size. We need to take account of the amount of buffers
* which might be held by downstream in case of zero-copy playback */
if (!priv->dpb_pool) {
if (n > 0) {
GST_DEBUG_OBJECT (videodec, "Downstream proposed pool");
priv->wait_on_pool_full = TRUE;
/* XXX: hardcoded bound 16, to avoid too large pool size */
priv->downstream_min_buffers = MIN (min, 16);
} else {
GST_DEBUG_OBJECT (videodec, "Downstream didn't propose pool");
priv->wait_on_pool_full = FALSE;
/* don't know how many buffers would be queued by downstream */
priv->downstream_min_buffers = 4;
}
} else {
/* We configured our DPB pool already, let's check if our margin can
* cover min size */
priv->wait_on_pool_full = FALSE;
if (n > 0) {
if (priv->downstream_min_buffers >= min)
priv->wait_on_pool_full = TRUE;
GST_DEBUG_OBJECT (videodec,
"Pre-allocated margin %d can%s cover downstream min size %d",
priv->downstream_min_buffers,
priv->wait_on_pool_full ? "" : "not", min);
} else {
GST_DEBUG_OBJECT (videodec, "Downstream min size is unknown");
}
}
GST_DEBUG_OBJECT (videodec, "Downstream min buffres: %d", min);
/* We will not use downstream pool for decoding, and therefore preallocation
* is unnecessary. So, Non-zero min buffer will be a waste of GPU memory */
min = 0;
} else if (priv->output_type == GST_D3D12_DECODER_OUTPUT_D3D11) {
GstD3D11AllocationParams *params;
const guint bind_flags = D3D11_BIND_SHADER_RESOURCE |
D3D11_BIND_RENDER_TARGET;
const guint misc_flags = D3D11_RESOURCE_MISC_SHARED_NTHANDLE |
D3D11_RESOURCE_MISC_SHARED;
params = gst_d3d11_allocation_params_new (decoder->d3d11_device, &vinfo,
GST_D3D11_ALLOCATION_FLAG_DEFAULT, bind_flags, misc_flags);
gst_buffer_pool_config_set_d3d11_allocation_params (config, params);
gst_d3d11_allocation_params_free (params);
}
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 (n > 0)
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 TRUE;
}
static void
gst_d3d12_decoder_set_flushing (GstD3D12Decoder * self, gboolean flushing)
{
GstD3D12DecoderPrivate *priv = self->priv;
std::lock_guard < std::mutex > lk (priv->lock);
if (priv->dpb_pool)
gst_buffer_pool_set_flushing (priv->dpb_pool, flushing);
if (priv->output_pool)
gst_buffer_pool_set_flushing (priv->output_pool, flushing);
priv->flushing = flushing;
}
void
gst_d3d12_decoder_sink_event (GstD3D12Decoder * decoder, GstEvent * event)
{
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
gst_d3d12_decoder_set_flushing (decoder, TRUE);
break;
case GST_EVENT_FLUSH_STOP:
gst_d3d12_decoder_set_flushing (decoder, FALSE);
break;
default:
break;
}
}
void
gst_d3d12_decoder_set_context (GstD3D12Decoder * decoder, GstElement * element,
GstContext * context)
{
GstD3D12CSLockGuard lk (&decoder->context_lock);
gst_d3d12_handle_set_context_for_adapter_luid (element,
context, decoder->adapter_luid, &decoder->device);
gst_d3d11_handle_set_context_for_adapter_luid (element,
context, decoder->adapter_luid, &decoder->d3d11_device);
}
gboolean
gst_d3d12_decoder_handle_query (GstD3D12Decoder * decoder, GstElement * element,
GstQuery * query)
{
if (GST_QUERY_TYPE (query) != GST_QUERY_CONTEXT)
return FALSE;
GstD3D12CSLockGuard lk (&decoder->context_lock);
if (gst_d3d12_handle_context_query (element, query, decoder->device) ||
gst_d3d11_handle_context_query (element, query, decoder->d3d11_device)) {
return TRUE;
}
return FALSE;
}
enum
{
PROP_DECODER_ADAPTER_LUID = 1,
PROP_DECODER_DEVICE_ID,
PROP_DECODER_VENDOR_ID,
};
struct _GstD3D12DecoderClassData
{
GstD3D12DecoderSubClassData subclass_data;
GstCaps *sink_caps;
GstCaps *src_caps;
gchar *description;
};
static void
gst_d3d12_decoder_get_profiles (const GUID & profile,
std::vector < std::string > &list)
{
if (profile == D3D12_VIDEO_DECODE_PROFILE_H264) {
list.push_back ("high");
list.push_back ("progressive-high");
list.push_back ("constrained-high");
list.push_back ("main");
list.push_back ("constrained-baseline");
list.push_back ("baseline");
} else if (profile == D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN) {
list.push_back ("main");
} else if (profile == D3D12_VIDEO_DECODE_PROFILE_HEVC_MAIN10) {
list.push_back ("main-10");
} else if (profile == D3D12_VIDEO_DECODE_PROFILE_VP9) {
list.push_back ("0");
} else if (profile == D3D12_VIDEO_DECODE_PROFILE_VP9_10BIT_PROFILE2) {
list.push_back ("2");
} else if (profile == D3D12_VIDEO_DECODE_PROFILE_AV1_PROFILE0) {
list.push_back ("main");
} else {
g_assert_not_reached ();
}
}
GstD3D12DecoderClassData *
gst_d3d12_decoder_check_feature_support (GstD3D12Device * device,
ID3D12VideoDevice * video_device, GstDxvaCodec codec,
gboolean d3d11_interop)
{
HRESULT hr;
GstDxvaResolution max_resolution = { 0, 0 };
D3D12_VIDEO_DECODE_CONFIGURATION_FLAGS config_flags =
D3D12_VIDEO_DECODE_CONFIGURATION_FLAG_NONE;
D3D12_VIDEO_DECODE_TIER tier = D3D12_VIDEO_DECODE_TIER_NOT_SUPPORTED;
std::set < DXGI_FORMAT > supported_formats;
std::vector < std::string > profiles;
g_return_val_if_fail (GST_IS_D3D12_DEVICE (device), nullptr);
g_return_val_if_fail (video_device != nullptr, nullptr);
for (guint i = 0; i < G_N_ELEMENTS (format_list); i++) {
if (format_list[i].codec != codec)
continue;
D3D12_FEATURE_DATA_VIDEO_DECODE_SUPPORT s;
s.NodeIndex = 0;
s.Configuration.DecodeProfile = format_list[i].decode_profile;
s.Configuration.BitstreamEncryption = D3D12_BITSTREAM_ENCRYPTION_TYPE_NONE;
s.Configuration.InterlaceType = D3D12_VIDEO_FRAME_CODED_INTERLACE_TYPE_NONE;
s.FrameRate = { 0, 1 };
s.BitRate = 0;
bool supported = false;
for (guint j = 0; j < G_N_ELEMENTS (format_list[i].format); j++) {
s.DecodeFormat = format_list[i].format[j];
if (s.DecodeFormat == DXGI_FORMAT_UNKNOWN)
break;
for (guint k = 0; k < G_N_ELEMENTS (gst_dxva_resolutions); k++) {
s.Width = gst_dxva_resolutions[k].width;
s.Height = gst_dxva_resolutions[k].height;
hr = video_device->CheckFeatureSupport
(D3D12_FEATURE_VIDEO_DECODE_SUPPORT, &s,
sizeof (D3D12_FEATURE_DATA_VIDEO_DECODE_SUPPORT));
if (FAILED (hr))
break;
if ((s.SupportFlags & D3D12_VIDEO_DECODE_SUPPORT_FLAG_SUPPORTED) == 0)
break;
if (max_resolution.width < gst_dxva_resolutions[k].width)
max_resolution.width = gst_dxva_resolutions[k].width;
if (max_resolution.height < gst_dxva_resolutions[k].height)
max_resolution.height = gst_dxva_resolutions[k].height;
supported_formats.insert (format_list[i].format[j]);
config_flags = s.ConfigurationFlags;
tier = s.DecodeTier;
supported = true;
}
}
if (supported)
gst_d3d12_decoder_get_profiles (format_list[i].decode_profile, profiles);
}
if (supported_formats.empty ()) {
GST_DEBUG_OBJECT (device, "Device doesn't support %s",
gst_dxva_codec_to_string (codec));
return nullptr;
}
GST_DEBUG_OBJECT (device,
"Device supports codec %s (%dx%d), configuration flags 0x%x, tier: %d",
gst_dxva_codec_to_string (codec),
max_resolution.width, max_resolution.height, config_flags, tier);
std::string format_string;
/* *INDENT-OFF* */
for (const auto &iter : supported_formats) {
GstVideoFormat format = gst_d3d12_dxgi_format_to_gst (iter);
if (format == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ERROR_OBJECT (device,
"Failed to get video format from dxgi format %d", iter);
}
if (!format_string.empty ())
format_string += ", ";
format_string += gst_video_format_to_string (format);
}
/* *INDENT-ON* */
std::string src_caps_string;
/* TODO: support d3d12 memory */
src_caps_string = "video/x-raw, format = (string) ";
if (supported_formats.size () > 1) {
src_caps_string += "{ " + format_string + " }";
} else {
src_caps_string += format_string;
}
std::string sink_caps_string;
std::string profile_string;
switch (codec) {
case GST_DXVA_CODEC_H264:
sink_caps_string = "video/x-h264, "
"stream-format=(string) { avc, avc3, byte-stream }, "
"alignment=(string) au";
break;
case GST_DXVA_CODEC_H265:
sink_caps_string = "video/x-h265, "
"stream-format=(string) { hev1, hvc1, byte-stream }, "
"alignment=(string) au";
break;
case GST_DXVA_CODEC_VP9:
if (profiles.size () > 1) {
sink_caps_string =
"video/x-vp9, alignment = (string) frame, profile = (string) 0; "
"video/x-vp9, alignment = (string) frame, profile = (string) 2, "
"bit-depth-luma = (uint) 10, bit-depth-chroma = (uint) 10";
} else if (profiles[0] == "0") {
sink_caps_string =
"video/x-vp9, alignment = (string) frame, profile = (string) 0";
} else {
sink_caps_string =
"video/x-vp9, alignment = (string) frame, profile = (string) 2, "
"bit-depth-luma = (uint) 10, bit-depth-chroma = (uint) 10";
}
break;
case GST_DXVA_CODEC_AV1:
sink_caps_string = "video/x-av1, alignment = (string) frame";
break;
default:
g_assert_not_reached ();
return nullptr;
}
/* *INDENT-OFF* */
if (codec != GST_DXVA_CODEC_VP9) {
if (profiles.size () > 1) {
profile_string = "{ ";
bool first = true;
for (auto it : profiles) {
if (!first)
profile_string += ", ";
profile_string += it;
first = false;
}
profile_string += " }";
} else {
profile_string = profiles[0];
}
sink_caps_string += ", profile=(string) ";
sink_caps_string += profile_string;
}
/* *INDENT-ON* */
GstCaps *sink_caps = gst_caps_from_string (sink_caps_string.c_str ());
GstCaps *raw_caps = gst_caps_from_string (src_caps_string.c_str ());
GstCaps *src_caps = gst_caps_copy (raw_caps);
gst_caps_set_features_simple (src_caps,
gst_caps_features_new_single (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY));
if (d3d11_interop) {
GstCaps *d3d11_caps = gst_caps_copy (raw_caps);
gst_caps_set_features_simple (d3d11_caps,
gst_caps_features_new_single (GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY));
gst_caps_append (src_caps, d3d11_caps);
}
gst_caps_append (src_caps, raw_caps);
gint max_res = MAX (max_resolution.width, max_resolution.height);
gst_caps_set_simple (sink_caps,
"width", GST_TYPE_INT_RANGE, 1, max_res,
"height", GST_TYPE_INT_RANGE, 1, max_res, nullptr);
gst_caps_set_simple (src_caps,
"width", GST_TYPE_INT_RANGE, 1, max_res,
"height", GST_TYPE_INT_RANGE, 1, max_res, nullptr);
GstD3D12DecoderClassData *ret = g_new0 (GstD3D12DecoderClassData, 1);
GstD3D12DecoderSubClassData *subclass_data = &ret->subclass_data;
ret->sink_caps = sink_caps;
ret->src_caps = src_caps;
subclass_data->codec = codec;
/* class data will be leaked if the element never gets instantiated */
GST_MINI_OBJECT_FLAG_SET (sink_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
GST_MINI_OBJECT_FLAG_SET (src_caps, GST_MINI_OBJECT_FLAG_MAY_BE_LEAKED);
g_object_get (device, "adapter-luid", &subclass_data->adapter_luid,
"device-id", &subclass_data->device_id, "vendor-id",
&subclass_data->vendor_id, "description", &ret->description, nullptr);
GST_DEBUG_OBJECT (device,
"Configured sink caps: %" GST_PTR_FORMAT ", src caps: %" GST_PTR_FORMAT,
sink_caps, src_caps);
return ret;
}
static void
gst_d3d12_decoder_class_data_free (GstD3D12DecoderClassData * data)
{
if (!data)
return;
gst_clear_caps (&data->sink_caps);
gst_clear_caps (&data->src_caps);
g_free (data->description);
g_free (data);
}
void
gst_d3d12_decoder_class_data_fill_subclass_data (GstD3D12DecoderClassData *
data, GstD3D12DecoderSubClassData * subclass_data)
{
g_return_if_fail (data != nullptr);
g_return_if_fail (subclass_data != nullptr);
*subclass_data = data->subclass_data;
}
void
gst_d3d12_decoder_proxy_class_init (GstElementClass * klass,
GstD3D12DecoderClassData * data, const gchar * author)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstD3D12DecoderSubClassData *cdata = &data->subclass_data;
std::string long_name;
std::string description;
const gchar *codec_name;
GParamFlags param_flags = (GParamFlags) (GST_PARAM_DOC_SHOW_DEFAULT |
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
GstPadTemplate *pad_templ;
g_object_class_install_property (gobject_class, PROP_DECODER_ADAPTER_LUID,
g_param_spec_int64 ("adapter-luid", "Adapter LUID",
"DXGI Adapter LUID (Locally Unique Identifier) of created device",
G_MININT64, G_MAXINT64, 0, param_flags));
g_object_class_install_property (gobject_class, PROP_DECODER_DEVICE_ID,
g_param_spec_uint ("device-id", "Device Id",
"DXGI Device ID", 0, G_MAXUINT32, 0, param_flags));
g_object_class_install_property (gobject_class, PROP_DECODER_VENDOR_ID,
g_param_spec_uint ("vendor-id", "Vendor Id",
"DXGI Vendor ID", 0, G_MAXUINT32, 0, param_flags));
codec_name = gst_dxva_codec_to_string (cdata->codec);
long_name = "Direct3D12/DXVA " + std::string (codec_name) + " " +
std::string (data->description) + " Decoder";
description = "Direct3D12/DXVA based " + std::string (codec_name) +
" video decoder";
gst_element_class_set_metadata (klass, long_name.c_str (),
"Codec/Decoder/Video/Hardware", description.c_str (), author);
pad_templ = gst_pad_template_new ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, data->sink_caps);
gst_element_class_add_pad_template (klass, pad_templ);
pad_templ = gst_pad_template_new ("src",
GST_PAD_SRC, GST_PAD_ALWAYS, data->src_caps);
gst_element_class_add_pad_template (klass, pad_templ);
gst_d3d12_decoder_class_data_free (data);
}
void
gst_d3d12_decoder_proxy_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec,
GstD3D12DecoderSubClassData * subclass_data)
{
switch (prop_id) {
case PROP_DECODER_ADAPTER_LUID:
g_value_set_int64 (value, subclass_data->adapter_luid);
break;
case PROP_DECODER_DEVICE_ID:
g_value_set_uint (value, subclass_data->device_id);
break;
case PROP_DECODER_VENDOR_ID:
g_value_set_uint (value, subclass_data->vendor_id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
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