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gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12mipmapping.cpp
Seungha Yang 7c06001705 d3d12: Shorten various names 
Update names of various objects and method to be shorter, for instance
GstD3D12CommandAllocator is changed to GstD3D12CmdAlloc.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7642>
2024-10-10 10:35:36 -04:00

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/* GStreamer
* Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstd3d12mipmapping.h"
#include "gstd3d12mipgen.h"
#include "gstd3d12pluginutils.h"
#include <directx/d3dx12.h>
#include <mutex>
#include <memory>
#include <queue>
#include <wrl.h>
#include <atomic>
/* *INDENT-OFF* */
using namespace Microsoft::WRL;
/* *INDENT-ON* */
GST_DEBUG_CATEGORY_STATIC (gst_d3d12_mip_mapping_debug);
#define GST_CAT_DEFAULT gst_d3d12_mip_mapping_debug
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY, GST_D3D12_ALL_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D12_ALL_FORMATS)));
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY, "RGBA") "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
"RGBA")));
enum
{
PROP_0,
PROP_ASYNC_DEPTH,
};
#define DEFAULT_ASYNC_DEPTH 0
/* *INDENT-OFF* */
struct MipMappingContext
{
MipMappingContext (GstD3D12Device * dev)
{
device = (GstD3D12Device *) gst_object_ref (dev);
auto device_handle = gst_d3d12_device_get_device_handle (device);
ca_pool = gst_d3d12_cmd_alloc_pool_new (device_handle,
D3D12_COMMAND_LIST_TYPE_DIRECT);
}
~MipMappingContext ()
{
gst_d3d12_device_fence_wait (device, D3D12_COMMAND_LIST_TYPE_DIRECT,
fence_val);
gst_clear_object (&ca_pool);
gst_clear_object (&conv);
gst_clear_object (&gen);
gst_clear_object (&device);
}
GstD3D12Device *device = nullptr;
GstD3D12Converter *conv = nullptr;
GstD3D12MipGen *gen = nullptr;
ComPtr<ID3D12GraphicsCommandList> cl;
std::queue<guint64> scheduled;
GstD3D12CmdAllocPool *ca_pool;
guint64 fence_val = 0;
};
struct GstD3D12MipMappingPrivate
{
GstD3D12MipMappingPrivate ()
{
fence_data_pool = gst_d3d12_fence_data_pool_new ();
}
~GstD3D12MipMappingPrivate ()
{
gst_clear_object (&fence_data_pool);
}
std::unique_ptr < MipMappingContext > ctx;
GstD3D12FenceDataPool *fence_data_pool;
D3D12_BOX in_rect = { };
D3D12_BOX prev_in_rect = { };
std::atomic<guint> async_depth = { DEFAULT_ASYNC_DEPTH };
std::mutex lock;
};
/* *INDENT-ON* */
struct _GstD3D12MipMapping
{
GstD3D12BaseFilter parent;
GstD3D12MipMappingPrivate *priv;
};
static void gst_d3d12_mip_mapping_finalize (GObject * object);
static void gst_d3d12_mip_mapping_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_d3d12_mip_mapping_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_d3d12_mip_mapping_stop (GstBaseTransform * trans);
static GstCaps *gst_d3d12_mip_mapping_transform_caps (GstBaseTransform *
trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static GstCaps *gst_d3d12_mip_mapping_fixate_caps (GstBaseTransform *
base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static gboolean gst_d3d12_mip_mapping_propose_allocation (GstBaseTransform *
trans, GstQuery * decide_query, GstQuery * query);
static gboolean gst_d3d12_mip_mapping_decide_allocation (GstBaseTransform *
trans, GstQuery * query);
static gboolean gst_d3d12_mip_mapping_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
static GstFlowReturn gst_d3d12_mip_mapping_transform (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_d3d12_mip_mapping_set_info (GstD3D12BaseFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
GstVideoInfo * out_info);
#define gst_d3d12_mip_mapping_parent_class parent_class
G_DEFINE_TYPE (GstD3D12MipMapping, gst_d3d12_mip_mapping,
GST_TYPE_D3D12_BASE_FILTER);
static void
gst_d3d12_mip_mapping_class_init (GstD3D12MipMappingClass * klass)
{
auto object_class = G_OBJECT_CLASS (klass);
auto element_class = GST_ELEMENT_CLASS (klass);
auto trans_class = GST_BASE_TRANSFORM_CLASS (klass);
auto filter_class = GST_D3D12_BASE_FILTER_CLASS (klass);
object_class->set_property = gst_d3d12_mip_mapping_set_property;
object_class->get_property = gst_d3d12_mip_mapping_get_property;
object_class->finalize = gst_d3d12_mip_mapping_finalize;
g_object_class_install_property (object_class, PROP_ASYNC_DEPTH,
g_param_spec_uint ("async-depth", "Async Depth",
"Number of in-flight GPU commands which can be scheduled without "
"synchronization (0 = unlimited)", 0, G_MAXINT, DEFAULT_ASYNC_DEPTH,
(GParamFlags) (GST_PARAM_MUTABLE_PLAYING |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
gst_element_class_add_static_pad_template (element_class, &sink_template);
gst_element_class_add_static_pad_template (element_class, &src_template);
gst_element_class_set_static_metadata (element_class,
"Direct3D12 MipMapping",
"Filter/Converter/Video/Hardware",
"Generates RGBA MipMap texture from input",
"Seungha Yang <seungha@centricular.com>");
trans_class->passthrough_on_same_caps = FALSE;
trans_class->stop = GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_stop);
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_transform_caps);
trans_class->fixate_caps =
GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_fixate_caps);
trans_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_propose_allocation);
trans_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_decide_allocation);
trans_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_transform_meta);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_transform);
filter_class->set_info = GST_DEBUG_FUNCPTR (gst_d3d12_mip_mapping_set_info);
gst_type_mark_as_plugin_api (GST_TYPE_D3D12_SAMPLING_METHOD,
(GstPluginAPIFlags) 0);
GST_DEBUG_CATEGORY_INIT (gst_d3d12_mip_mapping_debug, "d3d12convert", 0,
"d3d12convert");
}
static void
gst_d3d12_mip_mapping_init (GstD3D12MipMapping * self)
{
self->priv = new GstD3D12MipMappingPrivate ();
}
static void
gst_d3d12_mip_mapping_finalize (GObject * object)
{
auto self = GST_D3D12_MIP_MAPPING (object);
delete self->priv;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_d3d12_mip_mapping_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
auto self = GST_D3D12_MIP_MAPPING (object);
auto priv = self->priv;
switch (prop_id) {
case PROP_ASYNC_DEPTH:
priv->async_depth = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d12_mip_mapping_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
auto self = GST_D3D12_MIP_MAPPING (object);
auto priv = self->priv;
switch (prop_id) {
case PROP_ASYNC_DEPTH:
g_value_set_uint (value, priv->async_depth);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_d3d12_mip_mapping_stop (GstBaseTransform * trans)
{
auto self = GST_D3D12_MIP_MAPPING (trans);
auto priv = self->priv;
priv->ctx = nullptr;
return GST_BASE_TRANSFORM_CLASS (parent_class)->stop (trans);
}
static GstCaps *
gst_d3d12_mip_mapping_caps_remove_format_info (GstCaps * caps)
{
GstStructure *st;
GstCapsFeatures *f;
gint i, n;
GstCaps *res;
GstCapsFeatures *feature =
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_D3D12_MEMORY);
res = gst_caps_new_empty ();
n = gst_caps_get_size (caps);
for (i = 0; i < n; i++) {
st = gst_caps_get_structure (caps, i);
f = gst_caps_get_features (caps, i);
/* If this is already expressed by the existing caps
* skip this structure */
if (i > 0 && gst_caps_is_subset_structure_full (res, st, f))
continue;
st = gst_structure_copy (st);
/* Only remove format info for the cases when we can actually convert */
if (!gst_caps_features_is_any (f)
&& gst_caps_features_is_equal (f, feature)) {
gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site",
NULL);
}
gst_caps_append_structure_full (res, st, gst_caps_features_copy (f));
}
gst_caps_features_free (feature);
return res;
}
static GstCaps *
gst_d3d12_mip_mapping_transform_caps (GstBaseTransform *
trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *tmp, *tmp2;
GstCaps *result;
/* Get all possible caps that we can transform to */
tmp = gst_d3d12_mip_mapping_caps_remove_format_info (caps);
if (filter) {
tmp2 = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
tmp = tmp2;
}
result = tmp;
GST_DEBUG_OBJECT (trans, "transformed %" GST_PTR_FORMAT " into %"
GST_PTR_FORMAT, caps, result);
return result;
}
/*
* This is an incomplete matrix of in formats and a score for the prefered output
* format.
*
* out: RGB24 RGB16 ARGB AYUV YUV444 YUV422 YUV420 YUV411 YUV410 PAL GRAY
* in
* RGB24 0 2 1 2 2 3 4 5 6 7 8
* RGB16 1 0 1 2 2 3 4 5 6 7 8
* ARGB 2 3 0 1 4 5 6 7 8 9 10
* AYUV 3 4 1 0 2 5 6 7 8 9 10
* YUV444 2 4 3 1 0 5 6 7 8 9 10
* YUV422 3 5 4 2 1 0 6 7 8 9 10
* YUV420 4 6 5 3 2 1 0 7 8 9 10
* YUV411 4 6 5 3 2 1 7 0 8 9 10
* YUV410 6 8 7 5 4 3 2 1 0 9 10
* PAL 1 3 2 6 4 6 7 8 9 0 10
* GRAY 1 4 3 2 1 5 6 7 8 9 0
*
* PAL or GRAY are never prefered, if we can we would convert to PAL instead
* of GRAY, though
* less subsampling is prefered and if any, preferably horizontal
* We would like to keep the alpha, even if we would need to to colorspace conversion
* or lose depth.
*/
#define SCORE_FORMAT_CHANGE 1
#define SCORE_DEPTH_CHANGE 1
#define SCORE_ALPHA_CHANGE 1
#define SCORE_CHROMA_W_CHANGE 1
#define SCORE_CHROMA_H_CHANGE 1
#define SCORE_PALETTE_CHANGE 1
#define SCORE_COLORSPACE_LOSS 2 /* RGB <-> YUV */
#define SCORE_DEPTH_LOSS 4 /* change bit depth */
#define SCORE_ALPHA_LOSS 8 /* lose the alpha channel */
#define SCORE_CHROMA_W_LOSS 16 /* vertical subsample */
#define SCORE_CHROMA_H_LOSS 32 /* horizontal subsample */
#define SCORE_PALETTE_LOSS 64 /* convert to palette format */
#define SCORE_COLOR_LOSS 128 /* convert to GRAY */
#define COLORSPACE_MASK (GST_VIDEO_FORMAT_FLAG_YUV | \
GST_VIDEO_FORMAT_FLAG_RGB | GST_VIDEO_FORMAT_FLAG_GRAY)
#define ALPHA_MASK (GST_VIDEO_FORMAT_FLAG_ALPHA)
#define PALETTE_MASK (GST_VIDEO_FORMAT_FLAG_PALETTE)
/* calculate how much loss a conversion would be */
static void
score_value (GstBaseTransform * base, const GstVideoFormatInfo * in_info,
const GValue * val, gint * min_loss, const GstVideoFormatInfo ** out_info)
{
const gchar *fname;
const GstVideoFormatInfo *t_info;
guint in_flags, t_flags;
gint loss;
fname = g_value_get_string (val);
t_info = gst_video_format_get_info (gst_video_format_from_string (fname));
if (!t_info || t_info->format == GST_VIDEO_FORMAT_UNKNOWN)
return;
/* accept input format immediately without loss */
if (in_info == t_info) {
*min_loss = 0;
*out_info = t_info;
return;
}
loss = SCORE_FORMAT_CHANGE;
in_flags = GST_VIDEO_FORMAT_INFO_FLAGS (in_info);
in_flags &= ~GST_VIDEO_FORMAT_FLAG_LE;
in_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX;
in_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK;
t_flags = GST_VIDEO_FORMAT_INFO_FLAGS (t_info);
t_flags &= ~GST_VIDEO_FORMAT_FLAG_LE;
t_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX;
t_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK;
if ((t_flags & PALETTE_MASK) != (in_flags & PALETTE_MASK)) {
loss += SCORE_PALETTE_CHANGE;
if (t_flags & PALETTE_MASK)
loss += SCORE_PALETTE_LOSS;
}
if ((t_flags & COLORSPACE_MASK) != (in_flags & COLORSPACE_MASK)) {
loss += SCORE_COLORSPACE_LOSS;
if (t_flags & GST_VIDEO_FORMAT_FLAG_GRAY)
loss += SCORE_COLOR_LOSS;
}
if ((t_flags & ALPHA_MASK) != (in_flags & ALPHA_MASK)) {
loss += SCORE_ALPHA_CHANGE;
if (in_flags & ALPHA_MASK)
loss += SCORE_ALPHA_LOSS;
}
if ((in_info->h_sub[1]) != (t_info->h_sub[1])) {
loss += SCORE_CHROMA_H_CHANGE;
if ((in_info->h_sub[1]) < (t_info->h_sub[1]))
loss += SCORE_CHROMA_H_LOSS;
}
if ((in_info->w_sub[1]) != (t_info->w_sub[1])) {
loss += SCORE_CHROMA_W_CHANGE;
if ((in_info->w_sub[1]) < (t_info->w_sub[1]))
loss += SCORE_CHROMA_W_LOSS;
}
if ((in_info->bits) != (t_info->bits)) {
loss += SCORE_DEPTH_CHANGE;
if ((in_info->bits) > (t_info->bits))
loss += SCORE_DEPTH_LOSS + (in_info->bits - t_info->bits);
}
GST_DEBUG_OBJECT (base, "score %s -> %s = %d",
GST_VIDEO_FORMAT_INFO_NAME (in_info),
GST_VIDEO_FORMAT_INFO_NAME (t_info), loss);
if (loss < *min_loss) {
GST_DEBUG_OBJECT (base, "found new best %d", loss);
*out_info = t_info;
*min_loss = loss;
}
}
static void
gst_d3d12_mip_mapping_fixate_format (GstBaseTransform * trans, GstCaps * caps,
GstCaps * result)
{
GstStructure *ins, *outs;
const gchar *in_format;
const GstVideoFormatInfo *in_info, *out_info = nullptr;
gint min_loss = G_MAXINT;
guint i, capslen;
ins = gst_caps_get_structure (caps, 0);
in_format = gst_structure_get_string (ins, "format");
if (!in_format) {
return;
}
GST_DEBUG_OBJECT (trans, "source format %s", in_format);
in_info =
gst_video_format_get_info (gst_video_format_from_string (in_format));
if (!in_info)
return;
outs = gst_caps_get_structure (result, 0);
capslen = gst_caps_get_size (result);
GST_DEBUG ("iterate %d structures", capslen);
for (i = 0; i < capslen; i++) {
GstStructure *tests;
const GValue *format;
tests = gst_caps_get_structure (result, i);
format = gst_structure_get_value (tests, "format");
/* should not happen */
if (format == nullptr)
continue;
if (GST_VALUE_HOLDS_LIST (format)) {
gint j, len;
len = gst_value_list_get_size (format);
GST_DEBUG_OBJECT (trans, "have %d formats", len);
for (j = 0; j < len; j++) {
const GValue *val;
val = gst_value_list_get_value (format, j);
if (G_VALUE_HOLDS_STRING (val)) {
score_value (trans, in_info, val, &min_loss, &out_info);
if (min_loss == 0)
break;
}
}
} else if (G_VALUE_HOLDS_STRING (format)) {
score_value (trans, in_info, format, &min_loss, &out_info);
}
}
if (out_info)
gst_structure_set (outs, "format", G_TYPE_STRING,
GST_VIDEO_FORMAT_INFO_NAME (out_info), nullptr);
}
static gboolean
subsampling_unchanged (GstVideoInfo * in_info, GstVideoInfo * out_info)
{
guint i;
const GstVideoFormatInfo *in_format, *out_format;
if (GST_VIDEO_INFO_N_COMPONENTS (in_info) !=
GST_VIDEO_INFO_N_COMPONENTS (out_info))
return FALSE;
in_format = in_info->finfo;
out_format = out_info->finfo;
for (i = 0; i < GST_VIDEO_INFO_N_COMPONENTS (in_info); i++) {
if (GST_VIDEO_FORMAT_INFO_W_SUB (in_format,
i) != GST_VIDEO_FORMAT_INFO_W_SUB (out_format, i))
return FALSE;
if (GST_VIDEO_FORMAT_INFO_H_SUB (in_format,
i) != GST_VIDEO_FORMAT_INFO_H_SUB (out_format, i))
return FALSE;
}
return TRUE;
}
static void
transfer_colorimetry_from_input (GstBaseTransform * trans, GstCaps * in_caps,
GstCaps * out_caps)
{
GstStructure *out_caps_s = gst_caps_get_structure (out_caps, 0);
GstStructure *in_caps_s = gst_caps_get_structure (in_caps, 0);
gboolean have_colorimetry =
gst_structure_has_field (out_caps_s, "colorimetry");
gboolean have_chroma_site =
gst_structure_has_field (out_caps_s, "chroma-site");
/* If the output already has colorimetry and chroma-site, stop,
* otherwise try and transfer what we can from the input caps */
if (have_colorimetry && have_chroma_site)
return;
{
GstVideoInfo in_info, out_info;
const GValue *in_colorimetry =
gst_structure_get_value (in_caps_s, "colorimetry");
if (!gst_video_info_from_caps (&in_info, in_caps)) {
GST_WARNING_OBJECT (trans,
"Failed to convert sink pad caps to video info");
return;
}
if (!gst_video_info_from_caps (&out_info, out_caps)) {
GST_WARNING_OBJECT (trans,
"Failed to convert src pad caps to video info");
return;
}
if (!have_colorimetry && in_colorimetry != nullptr) {
if ((GST_VIDEO_INFO_IS_YUV (&out_info)
&& GST_VIDEO_INFO_IS_YUV (&in_info))
|| (GST_VIDEO_INFO_IS_RGB (&out_info)
&& GST_VIDEO_INFO_IS_RGB (&in_info))
|| (GST_VIDEO_INFO_IS_GRAY (&out_info)
&& GST_VIDEO_INFO_IS_GRAY (&in_info))) {
/* Can transfer the colorimetry intact from the input if it has it */
gst_structure_set_value (out_caps_s, "colorimetry", in_colorimetry);
} else {
gchar *colorimetry_str;
/* Changing between YUV/RGB - forward primaries and transfer function, but use
* default range and matrix.
* the primaries is used for conversion between RGB and XYZ (CIE 1931 coordinate).
* the transfer function could be another reference (e.g., HDR)
*/
out_info.colorimetry.primaries = in_info.colorimetry.primaries;
out_info.colorimetry.transfer = in_info.colorimetry.transfer;
colorimetry_str =
gst_video_colorimetry_to_string (&out_info.colorimetry);
gst_caps_set_simple (out_caps, "colorimetry", G_TYPE_STRING,
colorimetry_str, nullptr);
g_free (colorimetry_str);
}
}
/* Only YUV output needs chroma-site. If the input was also YUV and had the same chroma
* subsampling, transfer the siting. If the sub-sampling is changing, then the planes get
* scaled anyway so there's no real reason to prefer the input siting. */
if (!have_chroma_site && GST_VIDEO_INFO_IS_YUV (&out_info)) {
if (GST_VIDEO_INFO_IS_YUV (&in_info)) {
const GValue *in_chroma_site =
gst_structure_get_value (in_caps_s, "chroma-site");
if (in_chroma_site != nullptr
&& subsampling_unchanged (&in_info, &out_info))
gst_structure_set_value (out_caps_s, "chroma-site", in_chroma_site);
}
}
}
}
static GstCaps *
gst_d3d12_mip_mapping_get_fixed_format (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstCaps *result;
result = gst_caps_intersect (othercaps, caps);
if (gst_caps_is_empty (result)) {
gst_caps_unref (result);
result = gst_caps_copy (othercaps);
}
gst_d3d12_mip_mapping_fixate_format (trans, caps, result);
/* fixate remaining fields */
result = gst_caps_fixate (result);
if (direction == GST_PAD_SINK) {
if (gst_caps_is_subset (caps, result)) {
gst_caps_replace (&result, caps);
} else {
/* Try and preserve input colorimetry / chroma information */
transfer_colorimetry_from_input (trans, caps, result);
}
}
return result;
}
static GstCaps *
gst_d3d12_mip_mapping_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GST_DEBUG_OBJECT (trans,
"trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %"
GST_PTR_FORMAT, othercaps, caps);
auto format = gst_d3d12_mip_mapping_get_fixed_format (trans, direction, caps,
othercaps);
gst_caps_unref (othercaps);
if (gst_caps_is_empty (format)) {
GST_ERROR_OBJECT (trans, "Could not convert formats");
} else {
GST_DEBUG_OBJECT (trans, "fixated othercaps to %" GST_PTR_FORMAT, format);
}
return format;
}
static gboolean
gst_d3d12_mip_mapping_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query)
{
auto filter = GST_D3D12_BASE_FILTER (trans);
GstVideoInfo info;
GstBufferPool *pool = nullptr;
GstCaps *caps;
guint n_pools, i;
guint size;
if (!GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
decide_query, query)) {
return FALSE;
}
gst_query_parse_allocation (query, &caps, nullptr);
if (!caps)
return FALSE;
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (filter, "Invalid caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
n_pools = gst_query_get_n_allocation_pools (query);
for (i = 0; i < n_pools; i++) {
gst_query_parse_nth_allocation_pool (query, i, &pool, nullptr, nullptr,
nullptr);
if (pool) {
if (!GST_IS_D3D12_BUFFER_POOL (pool)) {
gst_clear_object (&pool);
} else {
auto dpool = GST_D3D12_BUFFER_POOL (pool);
if (!gst_d3d12_device_is_equal (dpool->device, filter->device))
gst_clear_object (&pool);
}
}
}
if (!pool)
pool = gst_d3d12_buffer_pool_new (filter->device);
auto config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
auto d3d12_params =
gst_buffer_pool_config_get_d3d12_allocation_params (config);
if (!d3d12_params) {
d3d12_params = gst_d3d12_allocation_params_new (filter->device, &info,
GST_D3D12_ALLOCATION_FLAG_DEFAULT,
D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS, D3D12_HEAP_FLAG_NONE);
} else {
gst_d3d12_allocation_params_set_resource_flags (d3d12_params,
D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS);
gst_d3d12_allocation_params_unset_resource_flags (d3d12_params,
D3D12_RESOURCE_FLAG_DENY_SHADER_RESOURCE);
}
gst_buffer_pool_config_set_d3d12_allocation_params (config, d3d12_params);
gst_d3d12_allocation_params_free (d3d12_params);
/* size will be updated by d3d12 buffer pool */
gst_buffer_pool_config_set_params (config, caps, 0, 0, 0);
if (!gst_buffer_pool_set_config (pool, config)) {
GST_ERROR_OBJECT (filter, "failed to set config");
gst_object_unref (pool);
return FALSE;
}
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, nullptr);
gst_query_add_allocation_meta (query,
GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, nullptr);
gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, nullptr);
/* d3d12 buffer pool will update buffer size based on allocated texture,
* get size from config again */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, nullptr, &size, nullptr, nullptr);
gst_structure_free (config);
gst_query_add_allocation_pool (query, pool, size, 0, 0);
gst_object_unref (pool);
return TRUE;
}
static gboolean
gst_d3d12_mip_mapping_decide_allocation (GstBaseTransform * trans,
GstQuery * query)
{
auto filter = GST_D3D12_BASE_FILTER (trans);
GstCaps *outcaps = nullptr;
GstBufferPool *pool = nullptr;
guint size, min = 0, max = 0;
GstStructure *config;
gboolean update_pool = FALSE;
GstVideoInfo info;
gst_query_parse_allocation (query, &outcaps, nullptr);
if (!outcaps)
return FALSE;
if (!gst_video_info_from_caps (&info, outcaps)) {
GST_ERROR_OBJECT (filter, "Invalid caps %" GST_PTR_FORMAT, outcaps);
return FALSE;
}
size = GST_VIDEO_INFO_SIZE (&info);
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
if (pool) {
if (!GST_IS_D3D12_BUFFER_POOL (pool)) {
gst_clear_object (&pool);
} else {
auto dpool = GST_D3D12_BUFFER_POOL (pool);
if (!gst_d3d12_device_is_equal (dpool->device, filter->device))
gst_clear_object (&pool);
}
}
update_pool = TRUE;
}
if (!pool)
pool = gst_d3d12_buffer_pool_new (filter->device);
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
D3D12_RESOURCE_FLAGS resource_flags =
D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS |
D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS |
D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET;
auto d3d12_params = gst_d3d12_allocation_params_new (filter->device, &info,
GST_D3D12_ALLOCATION_FLAG_DEFAULT, resource_flags,
D3D12_HEAP_FLAG_SHARED);
/* Auto generate mip maps */
gst_d3d12_allocation_params_set_mip_levels (d3d12_params, 0);
gst_buffer_pool_config_set_d3d12_allocation_params (config, d3d12_params);
gst_d3d12_allocation_params_free (d3d12_params);
gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
gst_buffer_pool_set_config (pool, config);
/* d3d12 buffer pool will update buffer size based on allocated texture,
* get size from config again */
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, nullptr, &size, nullptr, nullptr);
gst_structure_free (config);
if (update_pool)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool (query, pool, size, min, max);
gst_object_unref (pool);
return GST_BASE_TRANSFORM_CLASS (parent_class)->decide_allocation (trans,
query);
}
static gboolean
gst_d3d12_mip_mapping_set_info (GstD3D12BaseFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
GstVideoInfo * out_info)
{
auto self = GST_D3D12_MIP_MAPPING (filter);
auto priv = self->priv;
priv->ctx = nullptr;
GST_DEBUG_OBJECT (self, "Setup convert with format %s -> %s",
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (in_info)),
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (out_info)));
/* if present, these must match */
if (in_info->interlace_mode != out_info->interlace_mode) {
GST_ERROR_OBJECT (self, "input and output formats do not match");
return FALSE;
}
auto ctx = std::make_unique < MipMappingContext > (filter->device);
ctx->conv = gst_d3d12_converter_new (filter->device, nullptr, in_info,
out_info, nullptr, nullptr, nullptr);
if (!ctx->conv) {
GST_ERROR_OBJECT (self, "Couldn't create converter");
return FALSE;
}
ctx->gen = gst_d3d12_mip_gen_new (filter->device);
if (!ctx->gen) {
GST_ERROR_OBJECT (self, "Couldn't create mip generator");
return FALSE;
}
priv->in_rect = CD3DX12_BOX (0, 0,
GST_VIDEO_INFO_WIDTH (in_info), GST_VIDEO_INFO_HEIGHT (in_info));
priv->prev_in_rect = priv->in_rect;
priv->ctx = std::move (ctx);
return TRUE;
}
static gboolean
gst_d3d12_mip_mapping_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
if (meta->info->api == GST_VIDEO_CROP_META_API_TYPE)
return FALSE;
return GST_BASE_TRANSFORM_CLASS (parent_class)->transform_meta (trans,
outbuf, meta, inbuf);
}
static GstFlowReturn
gst_d3d12_mip_mapping_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
auto self = GST_D3D12_MIP_MAPPING (trans);
auto priv = self->priv;
D3D12_BOX in_rect;
auto crop_meta = gst_buffer_get_video_crop_meta (inbuf);
if (crop_meta) {
GST_LOG_OBJECT (self, "Have crop rect, x:y:w:h = %d:%d:%d:%d",
crop_meta->x, crop_meta->y, crop_meta->width, crop_meta->height);
in_rect = CD3DX12_BOX (crop_meta->x, crop_meta->y,
crop_meta->x + crop_meta->width, crop_meta->y + crop_meta->height);
} else {
in_rect = priv->in_rect;
}
if (in_rect != priv->in_rect) {
priv->prev_in_rect = in_rect;
g_object_set (priv->ctx->conv, "src-x", (gint) in_rect.left,
"src-y", (gint) in_rect.top,
"src-width", (gint) in_rect.right - in_rect.left,
"src-height", (gint) in_rect.bottom - in_rect.top, nullptr);
}
GstD3D12CmdAlloc *gst_ca;
if (!gst_d3d12_cmd_alloc_pool_acquire (priv->ctx->ca_pool, &gst_ca)) {
GST_ERROR_OBJECT (self, "Couldn't acquire command allocator");
return GST_FLOW_ERROR;
}
auto ca = gst_d3d12_cmd_alloc_get_handle (gst_ca);
auto hr = ca->Reset ();
if (!gst_d3d12_result (hr, priv->ctx->device)) {
GST_ERROR_OBJECT (self, "Couldn't reset command allocator");
gst_d3d12_cmd_alloc_unref (gst_ca);
return GST_FLOW_ERROR;
}
if (!priv->ctx->cl) {
auto device = gst_d3d12_device_get_device_handle (priv->ctx->device);
hr = device->CreateCommandList (0, D3D12_COMMAND_LIST_TYPE_DIRECT,
ca, nullptr, IID_PPV_ARGS (&priv->ctx->cl));
if (!gst_d3d12_result (hr, priv->ctx->device)) {
GST_ERROR_OBJECT (self, "Couldn't create command list");
gst_d3d12_cmd_alloc_unref (gst_ca);
return GST_FLOW_ERROR;
}
} else {
hr = priv->ctx->cl->Reset (ca, nullptr);
if (!gst_d3d12_result (hr, priv->ctx->device)) {
GST_ERROR_OBJECT (self, "Couldn't reset command list");
gst_d3d12_cmd_alloc_unref (gst_ca);
return GST_FLOW_ERROR;
}
}
GstD3D12FenceData *fence_data;
gst_d3d12_fence_data_pool_acquire (priv->fence_data_pool, &fence_data);
gst_d3d12_fence_data_push (fence_data, FENCE_NOTIFY_MINI_OBJECT (gst_ca));
auto cq = gst_d3d12_device_get_cmd_queue (priv->ctx->device,
D3D12_COMMAND_LIST_TYPE_DIRECT);
auto fence = gst_d3d12_cmd_queue_get_fence_handle (cq);
if (!gst_d3d12_converter_convert_buffer (priv->ctx->conv,
inbuf, outbuf, fence_data, priv->ctx->cl.Get (), TRUE)) {
GST_ERROR_OBJECT (self, "Couldn't build command list");
gst_d3d12_fence_data_unref (fence_data);
return GST_FLOW_ERROR;
}
auto dmem = (GstD3D12Memory *) gst_buffer_peek_memory (outbuf, 0);
auto tex = gst_d3d12_memory_get_resource_handle (dmem);
D3D12_RESOURCE_BARRIER barrier = CD3DX12_RESOURCE_BARRIER::Transition
(tex, D3D12_RESOURCE_STATE_RENDER_TARGET,
D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE, 0);
priv->ctx->cl->ResourceBarrier (1, &barrier);
if (!gst_d3d12_mip_gen_execute (priv->ctx->gen, tex, fence_data,
priv->ctx->cl.Get ())) {
GST_ERROR_OBJECT (self, "Couldn't build mip gen command");
gst_d3d12_fence_data_unref (fence_data);
return GST_FLOW_ERROR;
}
hr = priv->ctx->cl->Close ();
if (!gst_d3d12_result (hr, priv->ctx->device)) {
GST_ERROR_OBJECT (self, "Couldn't close command list");
gst_d3d12_fence_data_unref (fence_data);
return GST_FLOW_ERROR;
}
ID3D12CommandList *cmd_list[] = { priv->ctx->cl.Get () };
hr = gst_d3d12_cmd_queue_execute_command_lists (cq,
1, cmd_list, &priv->ctx->fence_val);
if (!gst_d3d12_result (hr, priv->ctx->device)) {
GST_ERROR_OBJECT (self, "Couldn't execute command list");
gst_d3d12_fence_data_unref (fence_data);
return GST_FLOW_ERROR;
}
gst_d3d12_buffer_set_fence (outbuf, fence, priv->ctx->fence_val, FALSE);
gst_d3d12_cmd_queue_set_notify (cq, priv->ctx->fence_val,
FENCE_NOTIFY_MINI_OBJECT (fence_data));
priv->ctx->scheduled.push (priv->ctx->fence_val);
auto completed = gst_d3d12_device_get_completed_value (priv->ctx->device,
D3D12_COMMAND_LIST_TYPE_DIRECT);
while (!priv->ctx->scheduled.empty ()) {
if (priv->ctx->scheduled.front () > completed)
break;
priv->ctx->scheduled.pop ();
}
auto async_depth = priv->async_depth.load ();
if (async_depth > 0 && priv->ctx->scheduled.size () > async_depth) {
auto fence_to_wait = priv->ctx->scheduled.front ();
priv->ctx->scheduled.pop ();
gst_d3d12_device_fence_wait (priv->ctx->device,
D3D12_COMMAND_LIST_TYPE_DIRECT, fence_to_wait);
}
return GST_FLOW_OK;
}
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