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gstreamer/subprojects/gst-plugins-bad/sys/d3d11/gstd3d11convert.cpp
Seungha Yang 38e142db9a d3d11convert: Add support for GstVideoCropMeta 
Performs crop, scale, and color space conversion all in
a single render pipeline. Note that cropping related property is not
added in this element (which will make negotiation very complicated),
but user can configure videocrop element for crop meta to be attached
on each buffer.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2678>
2022-06-29 09:43:10 +00:00

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2005-2012 David Schleef <ds@schleef.org>
* Copyright (C) 2012-2014 Matthew Waters <ystree00@gmail.com>
* Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
* Copyright (C) <2019> Jeongki Kim <jeongki.kim@jeongki.kim>
* Copyright (C) 2020 Thibault Saunier <tsaunier@igalia.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 "gstd3d11convert.h"
#include "gstd3d11converter.h"
#include "gstd3d11videoprocessor.h"
#include "gstd3d11pluginutils.h"
GST_DEBUG_CATEGORY_STATIC (gst_d3d11_convert_debug);
#define GST_CAT_DEFAULT gst_d3d11_convert_debug
static GstStaticCaps sink_template_caps =
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, GST_D3D11_SINK_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D11_SINK_FORMATS));
static GstStaticCaps src_template_caps =
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY, GST_D3D11_SRC_FORMATS) "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_D3D11_MEMORY ","
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION,
GST_D3D11_SRC_FORMATS));
#define DEFAULT_ADD_BORDERS TRUE
struct _GstD3D11BaseConvert
{
GstD3D11BaseFilter parent;
GstD3D11Format in_d3d11_format;
GstD3D11Format out_d3d11_format;
ID3D11Texture2D *in_texture[GST_VIDEO_MAX_PLANES];
ID3D11ShaderResourceView *shader_resource_view[GST_VIDEO_MAX_PLANES];
guint num_input_view;
ID3D11Texture2D *out_texture[GST_VIDEO_MAX_PLANES];
ID3D11RenderTargetView *render_target_view[GST_VIDEO_MAX_PLANES];
guint num_output_view;
GstD3D11Converter *converter;
GstD3D11VideoProcessor *processor;
gboolean processor_in_use;
gboolean same_caps;
gboolean downstream_supports_crop_meta;
/* used for border rendering */
RECT in_rect;
RECT prev_in_rect;
RECT out_rect;
gint borders_h;
gint borders_w;
/* Updated by subclass */
gboolean add_borders;
};
/**
* GstD3D11BaseConvert:
*
* A baseclass implementation for d3d11 convert elements
*
* Since: 1.20
*/
#define gst_d3d11_base_convert_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstD3D11BaseConvert, gst_d3d11_base_convert,
GST_TYPE_D3D11_BASE_FILTER,
GST_DEBUG_CATEGORY_INIT (gst_d3d11_convert_debug, "d3d11convert", 0,
"d3d11convert"));
static void gst_d3d11_base_convert_dispose (GObject * object);
static GstCaps *gst_d3d11_base_convert_transform_caps (GstBaseTransform *
trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static GstCaps *gst_d3d11_base_convert_fixate_caps (GstBaseTransform *
base, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static gboolean
gst_d3d11_base_convert_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query);
static gboolean
gst_d3d11_base_convert_decide_allocation (GstBaseTransform * trans,
GstQuery * query);
static GstFlowReturn
gst_d3d11_base_convert_generate_output (GstBaseTransform * trans,
GstBuffer ** buffer);
static gboolean gst_d3d11_base_convert_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf);
static GstFlowReturn gst_d3d11_base_convert_transform (GstBaseTransform *
trans, GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_d3d11_base_convert_set_info (GstD3D11BaseFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
GstVideoInfo * out_info);
/* copies the given caps */
static GstCaps *
gst_d3d11_base_convert_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_D3D11_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_d3d11_base_convert_caps_rangify_size_info (GstCaps * caps)
{
GstStructure *st;
GstCapsFeatures *f;
gint i, n;
GstCaps *res;
GstCapsFeatures *feature =
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_D3D11_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_set (st, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
/* if pixel aspect ratio, make a range of it */
if (gst_structure_has_field (st, "pixel-aspect-ratio")) {
gst_structure_set (st, "pixel-aspect-ratio",
GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1, NULL);
}
}
gst_caps_append_structure_full (res, st, gst_caps_features_copy (f));
}
gst_caps_features_free (feature);
return res;
}
static GstCaps *
gst_d3d11_base_convert_caps_remove_format_and_rangify_size_info (GstCaps * caps)
{
GstStructure *st;
GstCapsFeatures *f;
gint i, n;
GstCaps *res;
GstCapsFeatures *feature =
gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_D3D11_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_set (st, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
/* if pixel aspect ratio, make a range of it */
if (gst_structure_has_field (st, "pixel-aspect-ratio")) {
gst_structure_set (st, "pixel-aspect-ratio",
GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1, NULL);
}
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 void
gst_d3d11_base_convert_class_init (GstD3D11BaseConvertClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
GstD3D11BaseFilterClass *bfilter_class = GST_D3D11_BASE_FILTER_CLASS (klass);
GstCaps *caps;
gobject_class->dispose = gst_d3d11_base_convert_dispose;
caps = gst_d3d11_get_updated_template_caps (&sink_template_caps);
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps));
gst_caps_unref (caps);
caps = gst_d3d11_get_updated_template_caps (&src_template_caps);
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, caps));
gst_caps_unref (caps);
trans_class->passthrough_on_same_caps = FALSE;
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_transform_caps);
trans_class->fixate_caps =
GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_fixate_caps);
trans_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_propose_allocation);
trans_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_decide_allocation);
trans_class->generate_output =
GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_generate_output);
trans_class->transform_meta =
GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_transform_meta);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_transform);
bfilter_class->set_info = GST_DEBUG_FUNCPTR (gst_d3d11_base_convert_set_info);
gst_type_mark_as_plugin_api (GST_TYPE_D3D11_BASE_CONVERT,
(GstPluginAPIFlags) 0);
}
static void
gst_d3d11_base_convert_init (GstD3D11BaseConvert * self)
{
self->add_borders = DEFAULT_ADD_BORDERS;
}
static void
gst_d3d11_base_convert_clear_shader_resource (GstD3D11BaseConvert * self)
{
gint i;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
GST_D3D11_CLEAR_COM (self->shader_resource_view[i]);
GST_D3D11_CLEAR_COM (self->render_target_view[i]);
}
self->num_input_view = 0;
self->num_output_view = 0;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
GST_D3D11_CLEAR_COM (self->in_texture[i]);
GST_D3D11_CLEAR_COM (self->out_texture[i]);
}
gst_clear_object (&self->converter);
g_clear_pointer (&self->processor, gst_d3d11_video_processor_free);
self->processor_in_use = FALSE;
}
static void
gst_d3d11_base_convert_dispose (GObject * object)
{
GstD3D11BaseConvert *self = GST_D3D11_BASE_CONVERT (object);
gst_d3d11_base_convert_clear_shader_resource (self);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static GstCaps *
gst_d3d11_base_convert_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_d3d11_base_convert_caps_remove_format_and_rangify_size_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_d3d11_base_convert_fixate_format (GstBaseTransform * trans,
GstCaps * caps, GstCaps * result)
{
GstStructure *ins, *outs;
const gchar *in_format;
const GstVideoFormatInfo *in_info, *out_info = NULL;
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 == NULL)
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), NULL);
}
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 != NULL) {
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, NULL);
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 != NULL
&& subsampling_unchanged (&in_info, &out_info))
gst_structure_set_value (out_caps_s, "chroma-site", in_chroma_site);
}
}
}
}
static GstCaps *
gst_d3d11_base_convert_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_d3d11_base_convert_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_d3d11_base_convert_fixate_size (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstStructure *ins, *outs;
const GValue *from_par, *to_par;
GValue fpar = G_VALUE_INIT, tpar = G_VALUE_INIT;
othercaps = gst_caps_truncate (othercaps);
othercaps = gst_caps_make_writable (othercaps);
ins = gst_caps_get_structure (caps, 0);
outs = gst_caps_get_structure (othercaps, 0);
from_par = gst_structure_get_value (ins, "pixel-aspect-ratio");
to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
/* If we're fixating from the sinkpad we always set the PAR and
* assume that missing PAR on the sinkpad means 1/1 and
* missing PAR on the srcpad means undefined
*/
if (direction == GST_PAD_SINK) {
if (!from_par) {
g_value_init (&fpar, GST_TYPE_FRACTION);
gst_value_set_fraction (&fpar, 1, 1);
from_par = &fpar;
}
if (!to_par) {
g_value_init (&tpar, GST_TYPE_FRACTION_RANGE);
gst_value_set_fraction_range_full (&tpar, 1, G_MAXINT, G_MAXINT, 1);
to_par = &tpar;
}
} else {
if (!to_par) {
g_value_init (&tpar, GST_TYPE_FRACTION);
gst_value_set_fraction (&tpar, 1, 1);
to_par = &tpar;
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
NULL);
}
if (!from_par) {
g_value_init (&fpar, GST_TYPE_FRACTION);
gst_value_set_fraction (&fpar, 1, 1);
from_par = &fpar;
}
}
/* we have both PAR but they might not be fixated */
{
gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
gint w = 0, h = 0;
gint from_dar_n, from_dar_d;
gint num, den;
/* from_par should be fixed */
g_return_val_if_fail (gst_value_is_fixed (from_par), othercaps);
from_par_n = gst_value_get_fraction_numerator (from_par);
from_par_d = gst_value_get_fraction_denominator (from_par);
gst_structure_get_int (ins, "width", &from_w);
gst_structure_get_int (ins, "height", &from_h);
gst_structure_get_int (outs, "width", &w);
gst_structure_get_int (outs, "height", &h);
/* if both width and height are already fixed, we can't do anything
* about it anymore */
if (w && h) {
guint n, d;
GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating",
w, h);
if (!gst_value_is_fixed (to_par)) {
if (gst_video_calculate_display_ratio (&n, &d, from_w, from_h,
from_par_n, from_par_d, w, h)) {
GST_DEBUG_OBJECT (base, "fixating to_par to %dx%d", n, d);
if (gst_structure_has_field (outs, "pixel-aspect-ratio"))
gst_structure_fixate_field_nearest_fraction (outs,
"pixel-aspect-ratio", n, d);
else if (n != d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
n, d, NULL);
}
}
goto done;
}
/* Calculate input DAR */
if (!gst_util_fraction_multiply (from_w, from_h, from_par_n, from_par_d,
&from_dar_n, &from_dar_d)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
goto done;
}
GST_DEBUG_OBJECT (base, "Input DAR is %d/%d", from_dar_n, from_dar_d);
/* If either width or height are fixed there's not much we
* can do either except choosing a height or width and PAR
* that matches the DAR as good as possible
*/
if (h) {
GstStructure *tmp;
gint set_w, set_par_n, set_par_d;
GST_DEBUG_OBJECT (base, "height is fixed (%d)", h);
/* If the PAR is fixed too, there's not much to do
* except choosing the width that is nearest to the
* width with the same DAR */
if (gst_value_is_fixed (to_par)) {
to_par_n = gst_value_get_fraction_numerator (to_par);
to_par_d = gst_value_get_fraction_denominator (to_par);
GST_DEBUG_OBJECT (base, "PAR is fixed %d/%d", to_par_n, to_par_d);
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
to_par_n, &num, &den)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
goto done;
}
w = (guint) gst_util_uint64_scale_int_round (h, num, den);
gst_structure_fixate_field_nearest_int (outs, "width", w);
goto done;
}
/* The PAR is not fixed and it's quite likely that we can set
* an arbitrary PAR. */
/* Check if we can keep the input width */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
gst_structure_get_int (tmp, "width", &set_w);
/* Might have failed but try to keep the DAR nonetheless by
* adjusting the PAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, h, set_w,
&to_par_n, &to_par_d)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
gst_structure_free (tmp);
goto done;
}
if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
to_par_n, to_par_d);
gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
&set_par_d);
gst_structure_free (tmp);
/* Check if the adjusted PAR is accepted */
if (set_par_n == to_par_n && set_par_d == to_par_d) {
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "width", G_TYPE_INT, set_w,
"pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
NULL);
goto done;
}
/* Otherwise scale the width to the new PAR and check if the
* adjusted with is accepted. If all that fails we can't keep
* the DAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
set_par_n, &num, &den)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
goto done;
}
w = (guint) gst_util_uint64_scale_int_round (h, num, den);
gst_structure_fixate_field_nearest_int (outs, "width", w);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
} else if (w) {
GstStructure *tmp;
gint set_h, set_par_n, set_par_d;
GST_DEBUG_OBJECT (base, "width is fixed (%d)", w);
/* If the PAR is fixed too, there's not much to do
* except choosing the height that is nearest to the
* height with the same DAR */
if (gst_value_is_fixed (to_par)) {
to_par_n = gst_value_get_fraction_numerator (to_par);
to_par_d = gst_value_get_fraction_denominator (to_par);
GST_DEBUG_OBJECT (base, "PAR is fixed %d/%d", to_par_n, to_par_d);
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
to_par_n, &num, &den)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
goto done;
}
h = (guint) gst_util_uint64_scale_int_round (w, den, num);
gst_structure_fixate_field_nearest_int (outs, "height", h);
goto done;
}
/* The PAR is not fixed and it's quite likely that we can set
* an arbitrary PAR. */
/* Check if we can keep the input height */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
gst_structure_get_int (tmp, "height", &set_h);
/* Might have failed but try to keep the DAR nonetheless by
* adjusting the PAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, w,
&to_par_n, &to_par_d)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
gst_structure_free (tmp);
goto done;
}
if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
to_par_n, to_par_d);
gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
&set_par_d);
gst_structure_free (tmp);
/* Check if the adjusted PAR is accepted */
if (set_par_n == to_par_n && set_par_d == to_par_d) {
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "height", G_TYPE_INT, set_h,
"pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
NULL);
goto done;
}
/* Otherwise scale the height to the new PAR and check if the
* adjusted with is accepted. If all that fails we can't keep
* the DAR */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
set_par_n, &num, &den)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scale sized - integer overflow"));
goto done;
}
h = (guint) gst_util_uint64_scale_int_round (w, den, num);
gst_structure_fixate_field_nearest_int (outs, "height", h);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
} else if (gst_value_is_fixed (to_par)) {
GstStructure *tmp;
gint set_h, set_w, f_h, f_w;
to_par_n = gst_value_get_fraction_numerator (to_par);
to_par_d = gst_value_get_fraction_denominator (to_par);
/* Calculate scale factor for the PAR change */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_n,
to_par_d, &num, &den)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
goto done;
}
/* Try to keep the input height (because of interlacing) */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
gst_structure_get_int (tmp, "height", &set_h);
/* This might have failed but try to scale the width
* to keep the DAR nonetheless */
w = (guint) gst_util_uint64_scale_int_round (set_h, num, den);
gst_structure_fixate_field_nearest_int (tmp, "width", w);
gst_structure_get_int (tmp, "width", &set_w);
gst_structure_free (tmp);
/* We kept the DAR and the height is nearest to the original height */
if (set_w == w) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
goto done;
}
f_h = set_h;
f_w = set_w;
/* If the former failed, try to keep the input width at least */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
gst_structure_get_int (tmp, "width", &set_w);
/* This might have failed but try to scale the width
* to keep the DAR nonetheless */
h = (guint) gst_util_uint64_scale_int_round (set_w, den, num);
gst_structure_fixate_field_nearest_int (tmp, "height", h);
gst_structure_get_int (tmp, "height", &set_h);
gst_structure_free (tmp);
/* We kept the DAR and the width is nearest to the original width */
if (set_h == h) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
goto done;
}
/* If all this failed, keep the dimensions with the DAR that was closest
* to the correct DAR. This changes the DAR but there's not much else to
* do here.
*/
if (set_w * ABS (set_h - h) < ABS (f_w - w) * f_h) {
f_h = set_h;
f_w = set_w;
}
gst_structure_set (outs, "width", G_TYPE_INT, f_w, "height", G_TYPE_INT,
f_h, NULL);
goto done;
} else {
GstStructure *tmp;
gint set_h, set_w, set_par_n, set_par_d, tmp2;
/* width, height and PAR are not fixed but passthrough is not possible */
/* First try to keep the height and width as good as possible
* and scale PAR */
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
gst_structure_get_int (tmp, "height", &set_h);
gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
gst_structure_get_int (tmp, "width", &set_w);
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, set_w,
&to_par_n, &to_par_d)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
gst_structure_free (tmp);
goto done;
}
if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
to_par_n, to_par_d);
gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
&set_par_d);
gst_structure_free (tmp);
if (set_par_n == to_par_n && set_par_d == to_par_d) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
}
/* Otherwise try to scale width to keep the DAR with the set
* PAR and height */
if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
set_par_n, &num, &den)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
goto done;
}
w = (guint) gst_util_uint64_scale_int_round (set_h, num, den);
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "width", w);
gst_structure_get_int (tmp, "width", &tmp2);
gst_structure_free (tmp);
if (tmp2 == w) {
gst_structure_set (outs, "width", G_TYPE_INT, tmp2, "height",
G_TYPE_INT, set_h, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
}
/* ... or try the same with the height */
h = (guint) gst_util_uint64_scale_int_round (set_w, den, num);
tmp = gst_structure_copy (outs);
gst_structure_fixate_field_nearest_int (tmp, "height", h);
gst_structure_get_int (tmp, "height", &tmp2);
gst_structure_free (tmp);
if (tmp2 == h) {
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, tmp2, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
goto done;
}
/* If all fails we can't keep the DAR and take the nearest values
* for everything from the first try */
gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
G_TYPE_INT, set_h, NULL);
if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
set_par_n != set_par_d)
gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
set_par_n, set_par_d, NULL);
}
}
done:
if (from_par == &fpar)
g_value_unset (&fpar);
if (to_par == &tpar)
g_value_unset (&tpar);
return othercaps;
}
static GstCaps *
gst_d3d11_base_convert_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstCaps *format = NULL;
GST_DEBUG_OBJECT (base,
"trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %"
GST_PTR_FORMAT, othercaps, caps);
format = gst_d3d11_base_convert_get_fixed_format (base, direction, caps,
othercaps);
if (gst_caps_is_empty (format)) {
GST_ERROR_OBJECT (base, "Could not convert formats");
return format;
}
/* convert mode is "all" or "size" here */
othercaps =
gst_d3d11_base_convert_fixate_size (base, direction, caps, othercaps);
if (gst_caps_get_size (othercaps) == 1) {
guint i;
const gchar *format_fields[] = { "format", "colorimetry", "chroma-site" };
GstStructure *format_struct = gst_caps_get_structure (format, 0);
GstStructure *fixated_struct;
othercaps = gst_caps_make_writable (othercaps);
fixated_struct = gst_caps_get_structure (othercaps, 0);
for (i = 0; i < G_N_ELEMENTS (format_fields); i++) {
if (gst_structure_has_field (format_struct, format_fields[i])) {
gst_structure_set (fixated_struct, format_fields[i], G_TYPE_STRING,
gst_structure_get_string (format_struct, format_fields[i]), NULL);
} else {
gst_structure_remove_field (fixated_struct, format_fields[i]);
}
}
}
gst_caps_unref (format);
GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, othercaps);
return othercaps;
}
static gboolean
gst_d3d11_base_convert_propose_allocation (GstBaseTransform * trans,
GstQuery * decide_query, GstQuery * query)
{
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
GstVideoInfo info;
GstBufferPool *pool = NULL;
GstCaps *caps;
guint n_pools, i;
GstStructure *config;
guint size;
GstD3D11AllocationParams *d3d11_params;
GstD3D11Format d3d11_format;
guint bind_flags = D3D11_BIND_SHADER_RESOURCE;
DXGI_FORMAT dxgi_format = DXGI_FORMAT_UNKNOWN;
UINT supported = 0;
HRESULT hr;
ID3D11Device *device_handle;
if (!GST_BASE_TRANSFORM_CLASS (parent_class)->propose_allocation (trans,
decide_query, query))
return FALSE;
gst_query_parse_allocation (query, &caps, NULL);
if (caps == NULL)
return FALSE;
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (filter, "Invalid caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
if (!gst_d3d11_device_get_format (filter->device,
GST_VIDEO_INFO_FORMAT (&info), &d3d11_format)) {
GST_ERROR_OBJECT (filter, "Unknown format caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
if (d3d11_format.dxgi_format == DXGI_FORMAT_UNKNOWN) {
dxgi_format = d3d11_format.resource_format[0];
} else {
dxgi_format = d3d11_format.dxgi_format;
}
device_handle = gst_d3d11_device_get_device_handle (filter->device);
hr = device_handle->CheckFormatSupport (dxgi_format, &supported);
if (gst_d3d11_result (hr, filter->device) &&
(supported & D3D11_FORMAT_SUPPORT_RENDER_TARGET) ==
D3D11_FORMAT_SUPPORT_RENDER_TARGET) {
bind_flags |= D3D11_BIND_RENDER_TARGET;
}
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, NULL, NULL, NULL);
if (pool) {
if (!GST_IS_D3D11_BUFFER_POOL (pool)) {
gst_clear_object (&pool);
} else {
GstD3D11BufferPool *dpool = GST_D3D11_BUFFER_POOL (pool);
if (dpool->device != filter->device)
gst_clear_object (&pool);
}
}
}
if (!pool)
pool = gst_d3d11_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);
d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
if (!d3d11_params) {
d3d11_params = gst_d3d11_allocation_params_new (filter->device, &info,
GST_D3D11_ALLOCATION_FLAG_DEFAULT, bind_flags, 0);
} else {
/* Set bind flag */
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&info); i++) {
d3d11_params->desc[i].BindFlags |= bind_flags;
}
}
gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
gst_d3d11_allocation_params_free (d3d11_params);
/* size will be updated by d3d11 buffer pool */
gst_buffer_pool_config_set_params (config, caps, 0, 0, 0);
if (!gst_buffer_pool_set_config (pool, config))
goto config_failed;
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);
/* d3d11 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;
/* ERRORS */
config_failed:
{
GST_ERROR_OBJECT (filter, "failed to set config");
gst_object_unref (pool);
return FALSE;
}
}
static gboolean
gst_d3d11_base_convert_decide_allocation (GstBaseTransform * trans,
GstQuery * query)
{
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
GstD3D11BaseConvert *self = GST_D3D11_BASE_CONVERT (trans);
GstCaps *outcaps = NULL;
GstBufferPool *pool = NULL;
guint size, min = 0, max = 0;
GstStructure *config;
GstD3D11AllocationParams *d3d11_params;
gboolean update_pool = FALSE;
GstVideoInfo info;
guint i;
GstD3D11Format d3d11_format;
guint bind_flags = D3D11_BIND_RENDER_TARGET;
DXGI_FORMAT dxgi_format = DXGI_FORMAT_UNKNOWN;
UINT supported = 0;
HRESULT hr;
ID3D11Device *device_handle;
gst_query_parse_allocation (query, &outcaps, NULL);
if (!outcaps)
return FALSE;
if (!gst_video_info_from_caps (&info, outcaps)) {
GST_ERROR_OBJECT (filter, "Invalid caps %" GST_PTR_FORMAT, outcaps);
return FALSE;
}
if (!gst_d3d11_device_get_format (filter->device,
GST_VIDEO_INFO_FORMAT (&info), &d3d11_format)) {
GST_ERROR_OBJECT (filter, "Unknown format caps %" GST_PTR_FORMAT, outcaps);
return FALSE;
}
self->downstream_supports_crop_meta = gst_query_find_allocation_meta (query,
GST_VIDEO_CROP_META_API_TYPE, nullptr);
GST_DEBUG_OBJECT (self, "Downstream crop meta support: %d",
self->downstream_supports_crop_meta);
if (d3d11_format.dxgi_format == DXGI_FORMAT_UNKNOWN) {
dxgi_format = d3d11_format.resource_format[0];
} else {
dxgi_format = d3d11_format.dxgi_format;
}
device_handle = gst_d3d11_device_get_device_handle (filter->device);
hr = device_handle->CheckFormatSupport (dxgi_format, &supported);
if (gst_d3d11_result (hr, filter->device) &&
(supported & D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) ==
D3D11_FORMAT_SUPPORT_SHADER_SAMPLE) {
bind_flags |= D3D11_BIND_SHADER_RESOURCE;
}
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_D3D11_BUFFER_POOL (pool)) {
gst_clear_object (&pool);
} else {
GstD3D11BufferPool *dpool = GST_D3D11_BUFFER_POOL (pool);
if (dpool->device != filter->device)
gst_clear_object (&pool);
}
}
update_pool = TRUE;
}
if (!pool)
pool = gst_d3d11_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);
d3d11_params = gst_buffer_pool_config_get_d3d11_allocation_params (config);
if (!d3d11_params) {
d3d11_params = gst_d3d11_allocation_params_new (filter->device, &info,
GST_D3D11_ALLOCATION_FLAG_DEFAULT, bind_flags, 0);
} else {
/* Set bind flag */
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&info); i++) {
d3d11_params->desc[i].BindFlags |= bind_flags;
}
}
gst_buffer_pool_config_set_d3d11_allocation_params (config, d3d11_params);
gst_d3d11_allocation_params_free (d3d11_params);
gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
gst_buffer_pool_set_config (pool, config);
/* d3d11 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
create_shader_input_resource (GstD3D11BaseConvert * self,
GstD3D11Device * device, const GstD3D11Format * format, GstVideoInfo * info)
{
D3D11_TEXTURE2D_DESC texture_desc;
D3D11_SHADER_RESOURCE_VIEW_DESC view_desc;
HRESULT hr;
ID3D11Device *device_handle;
ID3D11Texture2D *tex[GST_VIDEO_MAX_PLANES] = { NULL, };
ID3D11ShaderResourceView *view[GST_VIDEO_MAX_PLANES] = { NULL, };
gint i;
if (self->num_input_view)
return TRUE;
memset (&texture_desc, 0, sizeof (texture_desc));
memset (&view_desc, 0, sizeof (view_desc));
device_handle = gst_d3d11_device_get_device_handle (device);
texture_desc.MipLevels = 1;
texture_desc.ArraySize = 1;
texture_desc.SampleDesc.Count = 1;
texture_desc.SampleDesc.Quality = 0;
texture_desc.Usage = D3D11_USAGE_DEFAULT;
texture_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
if (format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
break;
texture_desc.Width = GST_VIDEO_INFO_COMP_WIDTH (info, i);
texture_desc.Height = GST_VIDEO_INFO_COMP_HEIGHT (info, i);
texture_desc.Format = format->resource_format[i];
hr = device_handle->CreateTexture2D (&texture_desc, NULL, &tex[i]);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
goto error;
}
}
} else {
gboolean is_semiplanar = FALSE;
if (format->dxgi_format == DXGI_FORMAT_NV12 ||
format->dxgi_format == DXGI_FORMAT_P010 ||
format->dxgi_format == DXGI_FORMAT_P016)
is_semiplanar = TRUE;
texture_desc.Width = GST_VIDEO_INFO_WIDTH (info);
texture_desc.Height = GST_VIDEO_INFO_HEIGHT (info);
texture_desc.Format = format->dxgi_format;
/* semiplanar format resolution of should be even number */
if (is_semiplanar) {
texture_desc.Width = GST_ROUND_UP_2 (texture_desc.Width);
texture_desc.Height = GST_ROUND_UP_2 (texture_desc.Height);
}
hr = device_handle->CreateTexture2D (&texture_desc, NULL, &tex[0]);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
goto error;
}
if (is_semiplanar) {
tex[0]->AddRef ();
tex[1] = tex[0];
}
}
view_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
view_desc.Texture2D.MipLevels = 1;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
break;
view_desc.Format = format->resource_format[i];
hr = device_handle->CreateShaderResourceView (tex[i], &view_desc, &view[i]);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self,
"Failed to create resource view (0x%x)", (guint) hr);
goto error;
}
}
self->num_input_view = i;
GST_DEBUG_OBJECT (self,
"%d shader resource view created", self->num_input_view);
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
self->in_texture[i] = tex[i];
self->shader_resource_view[i] = view[i];
}
return TRUE;
error:
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
GST_D3D11_CLEAR_COM (view[i]);
}
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
GST_D3D11_CLEAR_COM (tex[i]);
}
return FALSE;
}
/* 16.0 / 255.0 ~= 0.062745 */
static const float luma_black_level_limited = 0.062745f;
static inline void
clear_rtv_color_rgb (GstD3D11BaseConvert * self,
ID3D11DeviceContext * context_handle, ID3D11RenderTargetView * rtv,
gboolean full_range)
{
const FLOAT clear_color_full[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
const FLOAT clear_color_limited[4] =
{ luma_black_level_limited, luma_black_level_limited,
luma_black_level_limited, 1.0f
};
const FLOAT *target;
if (full_range)
target = clear_color_full;
else
target = clear_color_limited;
context_handle->ClearRenderTargetView (rtv, target);
}
static inline void
clear_rtv_color_vuya (GstD3D11BaseConvert * self,
ID3D11DeviceContext * context_handle, ID3D11RenderTargetView * rtv,
gboolean full_range)
{
const FLOAT clear_color_full[4] = { 0.5f, 0.5f, 0.0f, 1.0f };
const FLOAT clear_color_limited[4] =
{ 0.5f, 0.5f, luma_black_level_limited, 1.0f };
const FLOAT *target;
if (full_range)
target = clear_color_full;
else
target = clear_color_limited;
context_handle->ClearRenderTargetView (rtv, target);
}
static inline void
clear_rtv_color_luma (GstD3D11BaseConvert * self,
ID3D11DeviceContext * context_handle, ID3D11RenderTargetView * rtv,
gboolean full_range)
{
const FLOAT clear_color_full[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
const FLOAT clear_color_limited[4] =
{ luma_black_level_limited, luma_black_level_limited,
luma_black_level_limited, 1.0f
};
const FLOAT *target;
if (full_range)
target = clear_color_full;
else
target = clear_color_limited;
context_handle->ClearRenderTargetView (rtv, target);
}
static inline void
clear_rtv_color_chroma (GstD3D11BaseConvert * self,
ID3D11DeviceContext * context_handle, ID3D11RenderTargetView * rtv)
{
const FLOAT clear_color[4] = { 0.5f, 0.5f, 0.5f, 1.0f };
context_handle->ClearRenderTargetView (rtv, clear_color);
}
static void
clear_rtv_color_all (GstD3D11BaseConvert * self, GstVideoInfo * info,
ID3D11DeviceContext * context_handle,
ID3D11RenderTargetView * rtv[GST_VIDEO_MAX_PLANES])
{
gint i;
gboolean full_range = info->colorimetry.range == GST_VIDEO_COLOR_RANGE_0_255;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (!rtv[i])
break;
if (GST_VIDEO_INFO_IS_RGB (info)) {
clear_rtv_color_rgb (self, context_handle, rtv[i], full_range);
} else {
if (GST_VIDEO_INFO_N_PLANES (info) == 1) {
clear_rtv_color_vuya (self, context_handle, rtv[i], full_range);
} else {
if (i == 0)
clear_rtv_color_luma (self, context_handle, rtv[i], full_range);
else
clear_rtv_color_chroma (self, context_handle, rtv[i]);
}
}
}
}
static gboolean
create_shader_output_resource (GstD3D11BaseConvert * self,
GstD3D11Device * device, const GstD3D11Format * format, GstVideoInfo * info)
{
D3D11_TEXTURE2D_DESC texture_desc;
D3D11_RENDER_TARGET_VIEW_DESC view_desc;
HRESULT hr;
ID3D11Device *device_handle;
ID3D11DeviceContext *context_handle;
ID3D11Texture2D *tex[GST_VIDEO_MAX_PLANES] = { NULL, };
ID3D11RenderTargetView *view[GST_VIDEO_MAX_PLANES] = { NULL, };
gint i;
if (self->num_output_view)
return TRUE;
memset (&texture_desc, 0, sizeof (texture_desc));
memset (&view_desc, 0, sizeof (view_desc));
device_handle = gst_d3d11_device_get_device_handle (device);
context_handle = gst_d3d11_device_get_device_context_handle (device);
texture_desc.MipLevels = 1;
texture_desc.ArraySize = 1;
texture_desc.SampleDesc.Count = 1;
texture_desc.SampleDesc.Quality = 0;
texture_desc.Usage = D3D11_USAGE_DEFAULT;
texture_desc.BindFlags =
D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
if (format->dxgi_format == DXGI_FORMAT_UNKNOWN) {
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
break;
texture_desc.Width = GST_VIDEO_INFO_COMP_WIDTH (info, i);
texture_desc.Height = GST_VIDEO_INFO_COMP_HEIGHT (info, i);
texture_desc.Format = format->resource_format[i];
hr = device_handle->CreateTexture2D (&texture_desc, NULL, &tex[i]);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
goto error;
}
}
} else {
gboolean is_semiplanar = FALSE;
if (format->dxgi_format == DXGI_FORMAT_NV12 ||
format->dxgi_format == DXGI_FORMAT_P010 ||
format->dxgi_format == DXGI_FORMAT_P016)
is_semiplanar = TRUE;
texture_desc.Width = GST_VIDEO_INFO_WIDTH (info);
texture_desc.Height = GST_VIDEO_INFO_HEIGHT (info);
texture_desc.Format = format->dxgi_format;
/* semiplanar format resolution of should be even number */
if (is_semiplanar) {
texture_desc.Width = GST_ROUND_UP_2 (texture_desc.Width);
texture_desc.Height = GST_ROUND_UP_2 (texture_desc.Height);
}
hr = device_handle->CreateTexture2D (&texture_desc, NULL, &tex[0]);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Failed to create texture (0x%x)", (guint) hr);
goto error;
}
if (is_semiplanar) {
tex[0]->AddRef ();
tex[1] = tex[0];
}
}
view_desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
view_desc.Texture2D.MipSlice = 0;
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (format->resource_format[i] == DXGI_FORMAT_UNKNOWN)
break;
view_desc.Format = format->resource_format[i];
hr = device_handle->CreateRenderTargetView (tex[i], &view_desc, &view[i]);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self,
"Failed to create %dth render target view (0x%x)", i, (guint) hr);
goto error;
}
}
gst_d3d11_device_lock (device);
clear_rtv_color_all (self, info, context_handle, view);
gst_d3d11_device_unlock (device);
self->num_output_view = i;
GST_DEBUG_OBJECT (self, "%d render view created", self->num_output_view);
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
self->out_texture[i] = tex[i];
self->render_target_view[i] = view[i];
}
return TRUE;
error:
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
GST_D3D11_CLEAR_COM (view[i]);
}
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
GST_D3D11_CLEAR_COM (tex[i]);
}
return FALSE;
}
static gboolean
gst_d3d11_base_convert_set_info (GstD3D11BaseFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
GstVideoInfo * out_info)
{
GstD3D11BaseConvert *self = GST_D3D11_BASE_CONVERT (filter);
const GstVideoInfo *unknown_info;
gint from_dar_n, from_dar_d, to_dar_n, to_dar_d;
gint border_offset_x = 0;
gint border_offset_y = 0;
if (gst_caps_is_equal (incaps, outcaps)) {
self->same_caps = TRUE;
return TRUE;
} else {
self->same_caps = FALSE;
}
if (!gst_util_fraction_multiply (in_info->width,
in_info->height, in_info->par_n, in_info->par_d, &from_dar_n,
&from_dar_d)) {
from_dar_n = from_dar_d = -1;
}
if (!gst_util_fraction_multiply (out_info->width,
out_info->height, out_info->par_n, out_info->par_d, &to_dar_n,
&to_dar_d)) {
to_dar_n = to_dar_d = -1;
}
self->borders_w = self->borders_h = 0;
if (to_dar_n != from_dar_n || to_dar_d != from_dar_d) {
if (self->add_borders) {
gint n, d, to_h, to_w;
if (from_dar_n != -1 && from_dar_d != -1
&& gst_util_fraction_multiply (from_dar_n, from_dar_d,
out_info->par_d, out_info->par_n, &n, &d)) {
to_h = gst_util_uint64_scale_int (out_info->width, d, n);
if (to_h <= out_info->height) {
self->borders_h = out_info->height - to_h;
self->borders_w = 0;
} else {
to_w = gst_util_uint64_scale_int (out_info->height, n, d);
g_assert (to_w <= out_info->width);
self->borders_h = 0;
self->borders_w = out_info->width - to_w;
}
} else {
GST_WARNING_OBJECT (self, "Can't calculate borders");
}
} else {
GST_INFO_OBJECT (self, "Display aspect ratio update %d/%d -> %d/%d",
from_dar_n, from_dar_d, to_dar_n, to_dar_d);
}
}
gst_d3d11_base_convert_clear_shader_resource (self);
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)
goto format_mismatch;
if (in_info->width == out_info->width && in_info->height == out_info->height
&& in_info->finfo == out_info->finfo && self->borders_w == 0 &&
self->borders_h == 0 &&
gst_video_colorimetry_is_equal (&in_info->colorimetry,
&out_info->colorimetry)) {
self->same_caps = TRUE;
return TRUE;
}
if (!gst_d3d11_device_get_format (filter->device,
GST_VIDEO_INFO_FORMAT (in_info), &self->in_d3d11_format)) {
unknown_info = in_info;
goto format_unknown;
}
if (!gst_d3d11_device_get_format (filter->device,
GST_VIDEO_INFO_FORMAT (out_info), &self->out_d3d11_format)) {
unknown_info = out_info;
goto format_unknown;
}
self->converter = gst_d3d11_converter_new (filter->device, in_info, out_info);
if (!self->converter) {
GST_ERROR_OBJECT (self, "couldn't set converter");
return FALSE;
}
/* If both input and output formats are native DXGI format */
if (self->in_d3d11_format.dxgi_format != DXGI_FORMAT_UNKNOWN &&
self->out_d3d11_format.dxgi_format != DXGI_FORMAT_UNKNOWN) {
gboolean hardware = FALSE;
GstD3D11VideoProcessor *processor = NULL;
gst_d3d11_device_lock (filter->device);
g_object_get (filter->device, "hardware", &hardware, NULL);
if (hardware) {
processor = gst_d3d11_video_processor_new (filter->device,
in_info->width, in_info->height, out_info->width, out_info->height);
}
if (processor) {
const GstDxgiColorSpace *in_color_space;
const GstDxgiColorSpace *out_color_space;
in_color_space = gst_d3d11_video_info_to_dxgi_color_space (in_info);
out_color_space = gst_d3d11_video_info_to_dxgi_color_space (out_info);
if (in_color_space && out_color_space) {
DXGI_FORMAT in_dxgi_format = self->in_d3d11_format.dxgi_format;
DXGI_FORMAT out_dxgi_format = self->out_d3d11_format.dxgi_format;
DXGI_COLOR_SPACE_TYPE in_dxgi_color_space =
(DXGI_COLOR_SPACE_TYPE) in_color_space->dxgi_color_space_type;
DXGI_COLOR_SPACE_TYPE out_dxgi_color_space =
(DXGI_COLOR_SPACE_TYPE) out_color_space->dxgi_color_space_type;
if (!gst_d3d11_video_processor_check_format_conversion (processor,
in_dxgi_format, in_dxgi_color_space, out_dxgi_format,
out_dxgi_color_space)) {
GST_DEBUG_OBJECT (self, "Conversion is not supported by device");
gst_d3d11_video_processor_free (processor);
processor = NULL;
} else {
GST_DEBUG_OBJECT (self, "video processor supports conversion");
gst_d3d11_video_processor_set_input_dxgi_color_space (processor,
in_dxgi_color_space);
gst_d3d11_video_processor_set_output_dxgi_color_space (processor,
out_dxgi_color_space);
}
} else {
GST_WARNING_OBJECT (self,
"Couldn't determine input and/or output dxgi colorspace");
gst_d3d11_video_processor_free (processor);
processor = NULL;
}
}
self->processor = processor;
gst_d3d11_device_unlock (filter->device);
}
GST_DEBUG_OBJECT (self, "from=%dx%d (par=%d/%d dar=%d/%d), size %"
G_GSIZE_FORMAT " -> to=%dx%d (par=%d/%d dar=%d/%d borders=%d:%d), "
"size %" G_GSIZE_FORMAT,
in_info->width, in_info->height, in_info->par_n, in_info->par_d,
from_dar_n, from_dar_d, in_info->size, out_info->width,
out_info->height, out_info->par_n, out_info->par_d, to_dar_n, to_dar_d,
self->borders_w, self->borders_h, out_info->size);
self->in_rect.left = 0;
self->in_rect.top = 0;
self->in_rect.right = GST_VIDEO_INFO_WIDTH (in_info);
self->in_rect.bottom = GST_VIDEO_INFO_HEIGHT (in_info);
self->prev_in_rect = self->in_rect;
if (self->borders_w) {
border_offset_x = self->borders_w / 2;
self->out_rect.left = border_offset_x;
self->out_rect.right = GST_VIDEO_INFO_WIDTH (out_info) - border_offset_x;
} else {
self->out_rect.left = 0;
self->out_rect.right = GST_VIDEO_INFO_WIDTH (out_info);
}
if (self->borders_h) {
border_offset_y = self->borders_h / 2;
self->out_rect.top = border_offset_y;
self->out_rect.bottom = GST_VIDEO_INFO_HEIGHT (out_info) - border_offset_y;
} else {
self->out_rect.top = 0;
self->out_rect.bottom = GST_VIDEO_INFO_HEIGHT (out_info);
}
g_object_set (self->converter, "dest-x", (gint) self->out_rect.left,
"dest-y", (gint) self->out_rect.top,
"dest-width", (gint) (self->out_rect.right - self->out_rect.left),
"dest-height", (gint) (self->out_rect.bottom - self->out_rect.top),
nullptr);
if (self->borders_w > 0 || self->borders_h > 0)
g_object_set (self->converter, "fill-border", TRUE, nullptr);
return TRUE;
/* ERRORS */
format_mismatch:
{
GST_ERROR_OBJECT (self, "input and output formats do not match");
return FALSE;
}
format_unknown:
{
GST_ERROR_OBJECT (self,
"%s couldn't be converted to d3d11 format",
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (unknown_info)));
return FALSE;
}
}
static gboolean
gst_d3d11_base_convert_prefer_video_processor (GstD3D11BaseConvert * self,
GstBuffer * inbuf, GstBuffer * outbuf)
{
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (self);
GstMemory *mem;
GstD3D11Memory *dmem;
if (!self->processor) {
GST_TRACE_OBJECT (self, "Processor is unavailable");
return FALSE;
}
if (gst_buffer_n_memory (inbuf) != 1 || gst_buffer_n_memory (outbuf) != 1) {
GST_TRACE_OBJECT (self, "Num memory objects is mismatched, in: %d, out: %d",
gst_buffer_n_memory (inbuf), gst_buffer_n_memory (outbuf));
return FALSE;
}
mem = gst_buffer_peek_memory (inbuf, 0);
g_assert (gst_is_d3d11_memory (mem));
dmem = (GstD3D11Memory *) mem;
if (dmem->device != filter->device) {
GST_TRACE_OBJECT (self, "Input memory belongs to different device");
return FALSE;
}
/* If we can use shader, and video processor was not used previously,
* we prefer to use shader instead of video processor
* because video processor implementation is vendor dependent
* and not flexible */
if (!self->processor_in_use &&
gst_d3d11_memory_get_shader_resource_view_size (dmem)) {
GST_TRACE_OBJECT (self, "SRV is available");
return FALSE;
}
if (!gst_d3d11_video_processor_get_input_view (self->processor, dmem)) {
GST_TRACE_OBJECT (self, "PIV is unavailable");
return FALSE;
}
mem = gst_buffer_peek_memory (outbuf, 0);
g_assert (gst_is_d3d11_memory (mem));
dmem = (GstD3D11Memory *) mem;
if (dmem->device != filter->device) {
GST_TRACE_OBJECT (self, "Output memory belongs to different device");
return FALSE;
}
if (!gst_d3d11_video_processor_get_output_view (self->processor, dmem)) {
GST_TRACE_OBJECT (self, "POV is unavailable");
return FALSE;
}
return TRUE;
}
static gboolean
gst_d3d11_base_convert_transform_using_processor (GstD3D11BaseConvert * self,
GstBuffer * inbuf, GstBuffer * outbuf, RECT * in_rect)
{
GstD3D11Memory *in_mem, *out_mem;
ID3D11VideoProcessorInputView *piv;
ID3D11VideoProcessorOutputView *pov;
in_mem = (GstD3D11Memory *) gst_buffer_peek_memory (inbuf, 0);
out_mem = (GstD3D11Memory *) gst_buffer_peek_memory (outbuf, 0);
piv = gst_d3d11_video_processor_get_input_view (self->processor, in_mem);
if (!piv) {
GST_ERROR_OBJECT (self, "ID3D11VideoProcessorInputView is unavailable");
return FALSE;
}
pov = gst_d3d11_video_processor_get_output_view (self->processor, out_mem);
if (!pov) {
GST_ERROR_OBJECT (self, "ID3D11VideoProcessorOutputView is unavailable");
return FALSE;
}
/* Clear background color with black */
if (self->borders_w || self->borders_h) {
GstD3D11BaseFilter *bfilter = GST_D3D11_BASE_FILTER_CAST (self);
ID3D11DeviceContext *context_handle =
gst_d3d11_device_get_device_context_handle (bfilter->device);
ID3D11RenderTargetView *render_view[GST_VIDEO_MAX_PLANES] = { NULL, };
if (!gst_d3d11_buffer_get_render_target_view (outbuf, render_view)) {
GST_ERROR_OBJECT (self, "ID3D11RenderTargetView is unavailable");
return FALSE;
}
gst_d3d11_device_lock (bfilter->device);
clear_rtv_color_all (self, &bfilter->out_info, context_handle, render_view);
gst_d3d11_device_unlock (bfilter->device);
}
return gst_d3d11_video_processor_render (self->processor,
in_rect, piv, &self->out_rect, pov);
}
static gboolean
gst_d3d11_base_convert_crop_and_copy (GstD3D11BaseConvert * self,
const GstVideoCropMeta * meta, GstBuffer * inbuf, GstBuffer * outbuf)
{
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER_CAST (self);
GstVideoInfo *info = &filter->in_info;
GstVideoFormat format = GST_VIDEO_INFO_FORMAT (info);
GstMemory *in_mem, *out_mem;
GstD3D11Memory *in_dmem, *out_dmem;
GstMapInfo in_map, out_map;
GstD3D11Device *device;
ID3D11DeviceContext *context;
D3D11_BOX src_box = { 0, };
guint in_subresource;
guint out_subresource;
ID3D11Texture2D *in_tex, *out_tex;
gboolean ret = FALSE;
/* Copy into output memory */
in_mem = gst_buffer_peek_memory (inbuf, 0);
out_mem = gst_buffer_peek_memory (outbuf, 0);
if (!gst_is_d3d11_memory (in_mem)) {
GST_ERROR_OBJECT (self, "Input is not a d3d11 memory");
return FALSE;
}
if (!gst_is_d3d11_memory (out_mem)) {
GST_ERROR_OBJECT (self, "Output is not a d3d11 memory");
return FALSE;
}
in_dmem = GST_D3D11_MEMORY_CAST (in_mem);
out_dmem = GST_D3D11_MEMORY_CAST (out_mem);
if (in_dmem->device != out_dmem->device) {
GST_ERROR_OBJECT (self, "Different device");
return FALSE;
}
device = in_dmem->device;
context = gst_d3d11_device_get_device_context_handle (device);
src_box.left = meta->x;
src_box.top = meta->y;
src_box.right = meta->x + meta->width;
src_box.bottom = meta->y + meta->height;
src_box.front = 0;
src_box.back = 1;
GST_TRACE_OBJECT (self, "Source box left:top:right:bottom = %d, %d, %d, %d",
src_box.left, src_box.top, src_box.right, src_box.bottom);
in_subresource = gst_d3d11_memory_get_subresource_index (in_dmem);
out_subresource = gst_d3d11_memory_get_subresource_index (out_dmem);
gst_d3d11_device_lock (device);
if (!gst_memory_map (in_mem, &in_map,
(GstMapFlags) (GST_MAP_READ | GST_MAP_D3D11))) {
GST_ERROR_OBJECT (self, "Failed to map input memory");
goto out;
}
if (!gst_memory_map (out_mem, &out_map,
(GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
GST_ERROR_OBJECT (self, "Failed to map output memory");
gst_memory_unmap (in_mem, &in_map);
goto out;
}
in_tex = (ID3D11Texture2D *) in_map.data;
out_tex = (ID3D11Texture2D *) out_map.data;
context->CopySubresourceRegion (out_tex, out_subresource, 0, 0, 0,
in_tex, in_subresource, &src_box);
gst_memory_unmap (in_mem, &in_map);
gst_memory_unmap (out_mem, &out_map);
if (gst_buffer_n_memory (inbuf) == 1) {
gst_d3d11_device_unlock (device);
return TRUE;
}
/* Non-native DXGI format YUV cases, copy UV plane(s) */
switch (format) {
/* semi-planar */
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV21:
case GST_VIDEO_FORMAT_P010_10LE:
case GST_VIDEO_FORMAT_P012_LE:
case GST_VIDEO_FORMAT_P016_LE:
src_box.top = GST_ROUND_DOWN_2 (meta->y) / 2;
src_box.bottom = GST_ROUND_DOWN_2 (meta->y + meta->height) / 2;
break;
/* planar */
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_I420_10LE:
case GST_VIDEO_FORMAT_I420_12LE:
src_box.left = GST_ROUND_DOWN_2 (meta->x) / 2;
src_box.top = GST_ROUND_DOWN_2 (meta->y) / 2;
src_box.right = GST_ROUND_DOWN_2 (meta->x + meta->width) / 2;
src_box.bottom = GST_ROUND_DOWN_2 (meta->y + meta->height) / 2;
break;
case GST_VIDEO_FORMAT_Y42B:
case GST_VIDEO_FORMAT_I422_10LE:
case GST_VIDEO_FORMAT_I422_12LE:
src_box.left = GST_ROUND_DOWN_2 (meta->x) / 2;
src_box.right = GST_ROUND_DOWN_2 (meta->x + meta->width) / 2;
break;
case GST_VIDEO_FORMAT_Y444:
case GST_VIDEO_FORMAT_Y444_10LE:
case GST_VIDEO_FORMAT_Y444_12LE:
case GST_VIDEO_FORMAT_Y444_16LE:
break;
default:
GST_ERROR_OBJECT (self, "Unexpected format %s",
gst_video_format_to_string (format));
goto out;
}
GST_TRACE_OBJECT (self, "UV left:top:right:bottom = %d, %d, %d, %d",
src_box.left, src_box.top, src_box.right, src_box.bottom);
for (guint i = 1; i < GST_VIDEO_INFO_N_PLANES (info); i++) {
in_mem = gst_buffer_peek_memory (inbuf, i);
out_mem = gst_buffer_peek_memory (outbuf, i);
if (!gst_is_d3d11_memory (in_mem)) {
GST_ERROR_OBJECT (self, "Input is not a d3d11 memory");
goto out;
}
if (!gst_is_d3d11_memory (out_mem)) {
GST_ERROR_OBJECT (self, "Output is not a d3d11 memory");
goto out;
}
in_dmem = GST_D3D11_MEMORY_CAST (in_mem);
out_dmem = GST_D3D11_MEMORY_CAST (out_mem);
if (in_dmem->device != out_dmem->device) {
GST_ERROR_OBJECT (self, "Different device");
goto out;
}
in_subresource = gst_d3d11_memory_get_subresource_index (in_dmem);
out_subresource = gst_d3d11_memory_get_subresource_index (out_dmem);
if (!gst_memory_map (in_mem, &in_map,
(GstMapFlags) (GST_MAP_READ | GST_MAP_D3D11))) {
GST_ERROR_OBJECT (self, "Failed to map input memory");
goto out;
}
if (!gst_memory_map (out_mem, &out_map,
(GstMapFlags) (GST_MAP_WRITE | GST_MAP_D3D11))) {
GST_ERROR_OBJECT (self, "Failed to map output memory");
gst_memory_unmap (in_mem, &in_map);
goto out;
}
in_tex = (ID3D11Texture2D *) in_map.data;
out_tex = (ID3D11Texture2D *) out_map.data;
context->CopySubresourceRegion (out_tex, out_subresource, 0, 0, 0,
in_tex, in_subresource, &src_box);
gst_memory_unmap (in_mem, &in_map);
gst_memory_unmap (out_mem, &out_map);
}
ret = TRUE;
out:
gst_d3d11_device_unlock (device);
return ret;
}
static GstFlowReturn
gst_d3d11_base_convert_generate_output (GstBaseTransform * trans,
GstBuffer ** buffer)
{
GstD3D11BaseConvert *self = GST_D3D11_BASE_CONVERT (trans);
GstBuffer *inbuf;
GstVideoCropMeta *crop_meta;
GstFlowReturn ret;
if (!self->same_caps) {
return GST_BASE_TRANSFORM_CLASS (parent_class)->generate_output (trans,
buffer);
}
/* Retrieve stashed input buffer, if the default submit_input_buffer
* was run. Takes ownership back from there */
inbuf = trans->queued_buf;
trans->queued_buf = nullptr;
/* This default processing method needs one input buffer to feed to
* the transform functions, we can't do anything without it */
if (!inbuf)
return GST_FLOW_OK;
crop_meta = gst_buffer_get_video_crop_meta (inbuf);
/* downstream supports crop meta or no crop meta. Just passthrough it */
if (self->downstream_supports_crop_meta || !crop_meta) {
*buffer = inbuf;
return GST_FLOW_OK;
}
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->prepare_output_buffer (trans,
inbuf, buffer);
if (ret != GST_FLOW_OK || *buffer == nullptr) {
GST_WARNING_OBJECT (trans, "Could not get buffer from pool, %s",
gst_flow_get_name (ret));
gst_buffer_unref (inbuf);
return ret;
}
GST_TRACE_OBJECT (self, "Copying cropped buffer");
if (!gst_d3d11_base_convert_crop_and_copy (self, crop_meta, inbuf, *buffer)) {
gst_buffer_unref (inbuf);
gst_clear_buffer (buffer);
return GST_FLOW_ERROR;
}
gst_buffer_unref (inbuf);
return GST_FLOW_OK;
}
static gboolean
gst_d3d11_base_convert_transform_meta (GstBaseTransform * trans,
GstBuffer * outbuf, GstMeta * meta, GstBuffer * inbuf)
{
/* Do not copy crop meta in any case.
*
* 1) When input and output caps are identical,
* - If downstream supports crop meta or crop meta is not attached on input
* buffer, then we do passthrough input buffers.
* In that case, this method must not be called already
* - Otherwise (downstream does not support crop meta), we do crop input
* and copy cropped area to output buffer
* 2) in case of input-caps != output-caps, we specify source rectangle to
* shader or video processor object. Then the conversion object will
* consider source cropping area automatically
*/
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_d3d11_base_convert_transform (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf)
{
GstD3D11BaseFilter *filter = GST_D3D11_BASE_FILTER (trans);
GstD3D11BaseConvert *self = GST_D3D11_BASE_CONVERT (trans);
GstD3D11Device *device = filter->device;
ID3D11Device *device_handle;
ID3D11DeviceContext *context_handle;
ID3D11ShaderResourceView *resource_view[GST_VIDEO_MAX_PLANES] = { NULL, };
ID3D11RenderTargetView *render_view[GST_VIDEO_MAX_PLANES] = { NULL, };
ID3D11RenderTargetView **target_rtv;
guint i;
gboolean copy_input = FALSE;
gboolean copy_output = FALSE;
GstMapInfo in_map[GST_VIDEO_MAX_PLANES];
GstMapInfo out_map[GST_VIDEO_MAX_PLANES];
RECT in_rect;
GstVideoCropMeta *crop_meta;
device_handle = gst_d3d11_device_get_device_handle (device);
context_handle = gst_d3d11_device_get_device_context_handle (device);
if (!gst_d3d11_buffer_map (inbuf, device_handle, in_map, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Couldn't map input buffer");
goto invalid_memory;
}
if (!gst_d3d11_buffer_map (outbuf, device_handle, out_map, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (self, "Couldn't map output buffer");
gst_d3d11_buffer_unmap (inbuf, in_map);
goto invalid_memory;
}
crop_meta = gst_buffer_get_video_crop_meta (inbuf);
if (crop_meta) {
GST_TRACE_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.left = crop_meta->x;
in_rect.top = crop_meta->y;
in_rect.right = crop_meta->x + crop_meta->width;
in_rect.bottom = crop_meta->y + crop_meta->height;
} else {
in_rect = self->in_rect;
}
if (in_rect.left != self->prev_in_rect.left ||
in_rect.top != self->prev_in_rect.top ||
in_rect.right != self->prev_in_rect.right ||
in_rect.bottom != self->prev_in_rect.bottom) {
self->prev_in_rect = in_rect;
g_object_set (self->converter, "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);
}
if (gst_d3d11_base_convert_prefer_video_processor (self, inbuf, outbuf)) {
gboolean ret = gst_d3d11_base_convert_transform_using_processor (self,
inbuf, outbuf, &in_rect);
if (!ret) {
GST_ERROR_OBJECT (self, "Couldn't convert using video processor");
goto conversion_failed;
}
self->processor_in_use = TRUE;
GST_TRACE_OBJECT (self, "Conversion done by video processor");
gst_d3d11_buffer_unmap (inbuf, in_map);
gst_d3d11_buffer_unmap (outbuf, out_map);
return GST_FLOW_OK;
}
/* Ensure shader resource views */
if (!gst_d3d11_buffer_get_shader_resource_view (inbuf, resource_view)) {
if (!create_shader_input_resource (self, device,
&self->in_d3d11_format, &filter->in_info)) {
GST_ERROR_OBJECT (self, "Failed to configure fallback input texture");
goto fallback_failed;
}
copy_input = TRUE;
gst_d3d11_device_lock (device);
for (i = 0; i < gst_buffer_n_memory (inbuf); i++) {
GstD3D11Memory *mem =
(GstD3D11Memory *) gst_buffer_peek_memory (inbuf, i);
guint subidx;
D3D11_BOX src_box = { 0, };
D3D11_TEXTURE2D_DESC src_desc;
D3D11_TEXTURE2D_DESC dst_desc;
subidx = gst_d3d11_memory_get_subresource_index (mem);
gst_d3d11_memory_get_texture_desc (mem, &src_desc);
self->in_texture[i]->GetDesc (&dst_desc);
src_box.left = 0;
src_box.top = 0;
src_box.front = 0;
src_box.back = 1;
src_box.right = MIN (src_desc.Width, dst_desc.Width);
src_box.bottom = MIN (src_desc.Height, dst_desc.Height);
context_handle->CopySubresourceRegion (self->in_texture[i], 0, 0, 0, 0,
(ID3D11Resource *) in_map[i].data, subidx, &src_box);
}
gst_d3d11_device_unlock (device);
}
/* Ensure render target views */
if (!gst_d3d11_buffer_get_render_target_view (outbuf, render_view)) {
if (!create_shader_output_resource (self, device,
&self->out_d3d11_format, &filter->out_info)) {
GST_ERROR_OBJECT (self, "Failed to configure fallback output texture");
goto fallback_failed;
}
copy_output = TRUE;
}
/* If we need border, clear render target view first */
if (copy_output) {
target_rtv = self->render_target_view;
} else {
target_rtv = render_view;
}
if (!gst_d3d11_converter_convert (self->converter,
copy_input ? self->shader_resource_view : resource_view,
target_rtv)) {
goto conversion_failed;
}
if (copy_output) {
gst_d3d11_device_lock (device);
for (i = 0; i < gst_buffer_n_memory (outbuf); i++) {
GstD3D11Memory *mem =
(GstD3D11Memory *) gst_buffer_peek_memory (outbuf, i);
guint subidx;
D3D11_BOX src_box = { 0, };
D3D11_TEXTURE2D_DESC src_desc;
D3D11_TEXTURE2D_DESC dst_desc;
self->out_texture[i]->GetDesc (&src_desc);
subidx = gst_d3d11_memory_get_subresource_index (mem);
gst_d3d11_memory_get_texture_desc (mem, &dst_desc);
src_box.left = 0;
src_box.top = 0;
src_box.front = 0;
src_box.back = 1;
src_box.right = MIN (src_desc.Width, dst_desc.Width);
src_box.bottom = MIN (src_desc.Height, dst_desc.Height);
context_handle->CopySubresourceRegion ((ID3D11Resource *) out_map[i].data,
subidx, 0, 0, 0, self->out_texture[i], 0, &src_box);
}
gst_d3d11_device_unlock (device);
}
gst_d3d11_buffer_unmap (inbuf, in_map);
gst_d3d11_buffer_unmap (outbuf, out_map);
return GST_FLOW_OK;
invalid_memory:
{
GST_ELEMENT_ERROR (self, CORE, FAILED, (NULL), ("Invalid memory"));
return GST_FLOW_ERROR;
}
fallback_failed:
{
GST_ELEMENT_ERROR (self, CORE, FAILED, (NULL),
("Couldn't prepare fallback memory"));
gst_d3d11_buffer_unmap (inbuf, in_map);
gst_d3d11_buffer_unmap (outbuf, out_map);
return GST_FLOW_ERROR;
}
conversion_failed:
{
GST_ELEMENT_ERROR (self, CORE, FAILED, (NULL),
("Couldn't convert texture"));
gst_d3d11_buffer_unmap (inbuf, in_map);
gst_d3d11_buffer_unmap (outbuf, out_map);
return GST_FLOW_ERROR;
}
}
static void
gst_d3d11_base_convert_set_add_border (GstD3D11BaseConvert * self,
gboolean add_border)
{
gboolean prev = self->add_borders;
self->add_borders = add_border;
if (prev != self->add_borders)
gst_base_transform_reconfigure_src (GST_BASE_TRANSFORM_CAST (self));
}
/**
* SECTION:element-d3d11convert
* @title: d3d11convert
* @short_description: A Direct3D11 based color conversion and video resizing element
*
* This element resizes video frames and change color space.
* By default the element will try to negotiate to the same size on the source
* and sinkpad so that no scaling is needed.
* It is therefore safe to insert this element in a pipeline to
* get more robust behaviour without any cost if no scaling is needed.
*
* ## Example launch line
* ```
* gst-launch-1.0 videotestsrc ! video/x-raw,format=NV12 ! d3d11upload ! d3d11convert ! d3d11videosink
* ```
* This will output a test video (generated in NV12 format) in a video
* window. If the video sink selected does not support NV12
* d3d11convert will automatically convert the video to a format understood
* by the video sink.
*
* Since: 1.18
*
*/
enum
{
PROP_CONVERT_0,
PROP_CONVERT_ADD_BORDERS,
};
struct _GstD3D11Convert
{
GstD3D11BaseConvert parent;
};
G_DEFINE_TYPE (GstD3D11Convert, gst_d3d11_convert, GST_TYPE_D3D11_BASE_CONVERT);
static void gst_d3d11_convert_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_d3d11_convert_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void
gst_d3d11_convert_class_init (GstD3D11ConvertClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_d3d11_convert_set_property;
gobject_class->get_property = gst_d3d11_convert_get_property;
/**
* GstD3D11Convert:add-borders:
*
* Add black borders if necessary to keep the display aspect ratio
*
* Since: 1.20
*/
g_object_class_install_property (gobject_class, PROP_CONVERT_ADD_BORDERS,
g_param_spec_boolean ("add-borders", "Add Borders",
"Add black borders if necessary to keep the display aspect ratio",
DEFAULT_ADD_BORDERS, (GParamFlags) (GST_PARAM_MUTABLE_PLAYING |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
gst_element_class_set_static_metadata (element_class,
"Direct3D11 colorspace converter and scaler",
"Filter/Converter/Scaler/Video/Hardware",
"Resizes video and allow color conversion using Direct3D11",
"Seungha Yang <seungha.yang@navercorp.com>, "
"Jeongki Kim <jeongki.kim@jeongki.kim>");
}
static void
gst_d3d11_convert_init (GstD3D11Convert * self)
{
}
static void
gst_d3d11_convert_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstD3D11BaseConvert *base = GST_D3D11_BASE_CONVERT (object);
switch (prop_id) {
case PROP_CONVERT_ADD_BORDERS:
gst_d3d11_base_convert_set_add_border (base, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_convert_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11BaseConvert *base = GST_D3D11_BASE_CONVERT (object);
switch (prop_id) {
case PROP_CONVERT_ADD_BORDERS:
g_value_set_boolean (value, base->add_borders);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/**
* SECTION:element-d3d11colorconvert
* @title: d3d11colorconvert
*
* A Direct3D11 based color conversion element
*
* ## Example launch line
* ```
* gst-launch-1.0 videotestsrc ! video/x-raw,format=NV12 ! d3d11upload ! d3d11colorconvert ! d3d11download ! video/x-raw,format=RGBA ! fakesink
* ```
* This will upload a test video (generated in NV12 format) to Direct3D11
* memory space and convert it to RGBA format. Then a converted Direct3D11
* frame will be downloaded to system memory space.
*
* Since: 1.20
*
*/
struct _GstD3D11ColorConvert
{
GstD3D11BaseConvert parent;
};
static GstCaps *gst_d3d11_color_convert_transform_caps (GstBaseTransform *
trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static GstCaps *gst_d3d11_color_convert_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
G_DEFINE_TYPE (GstD3D11ColorConvert, gst_d3d11_color_convert,
GST_TYPE_D3D11_BASE_CONVERT);
static void
gst_d3d11_color_convert_class_init (GstD3D11ColorConvertClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gst_element_class_set_static_metadata (element_class,
"Direct3D11 colorspace converter",
"Filter/Converter/Video/Hardware",
"Color conversion using Direct3D11",
"Seungha Yang <seungha@centricular.com>");
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_transform_caps);
trans_class->fixate_caps =
GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_fixate_caps);
}
static void
gst_d3d11_color_convert_init (GstD3D11ColorConvert * self)
{
}
static GstCaps *
gst_d3d11_color_convert_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_d3d11_base_convert_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;
}
static GstCaps *
gst_d3d11_color_convert_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstCaps *format = NULL;
GST_DEBUG_OBJECT (base,
"trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %"
GST_PTR_FORMAT, othercaps, caps);
format = gst_d3d11_base_convert_get_fixed_format (base, direction, caps,
othercaps);
gst_caps_unref (othercaps);
if (gst_caps_is_empty (format)) {
GST_ERROR_OBJECT (base, "Could not convert formats");
} else {
GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, format);
}
return format;
}
/**
* SECTION:element-d3d11scale
* @title: d3d11scale
*
* A Direct3D11 based video resizing element
*
* ## Example launch line
* ```
* gst-launch-1.0 videotestsrc ! video/x-raw,width=640,height=480 ! d3d11upload ! d3d11scale ! d3d11download ! video/x-raw,width=1280,height=720 ! fakesink
* ```
* This will upload a 640x480 resolution test video to Direct3D11
* memory space and resize it to 1280x720 resolution. Then a resized Direct3D11
* frame will be downloaded to system memory space.
*
* Since: 1.20
*
*/
enum
{
PROP_SCALE_0,
PROP_SCALE_ADD_BORDERS,
};
struct _GstD3D11Scale
{
GstD3D11BaseConvert parent;
};
static void gst_d3d11_scale_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_d3d11_scale_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstCaps *gst_d3d11_scale_transform_caps (GstBaseTransform *
trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static GstCaps *gst_d3d11_scale_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
G_DEFINE_TYPE (GstD3D11Scale, gst_d3d11_scale, GST_TYPE_D3D11_BASE_CONVERT);
static void
gst_d3d11_scale_class_init (GstD3D11ScaleClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gobject_class->set_property = gst_d3d11_scale_set_property;
gobject_class->get_property = gst_d3d11_scale_get_property;
/**
* GstD3D11Scale:add-borders:
*
* Add black borders if necessary to keep the display aspect ratio
*
* Since: 1.20
*/
g_object_class_install_property (gobject_class, PROP_SCALE_ADD_BORDERS,
g_param_spec_boolean ("add-borders", "Add Borders",
"Add black borders if necessary to keep the display aspect ratio",
DEFAULT_ADD_BORDERS, (GParamFlags) (GST_PARAM_MUTABLE_PLAYING |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
gst_element_class_set_static_metadata (element_class,
"Direct3D11 scaler",
"Filter/Converter/Video/Scaler/Hardware",
"Resizes video using Direct3D11",
"Seungha Yang <seungha@centricular.com>");
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_d3d11_scale_transform_caps);
trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_d3d11_scale_fixate_caps);
}
static void
gst_d3d11_scale_init (GstD3D11Scale * self)
{
}
static void
gst_d3d11_scale_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstD3D11BaseConvert *base = GST_D3D11_BASE_CONVERT (object);
switch (prop_id) {
case PROP_CONVERT_ADD_BORDERS:
gst_d3d11_base_convert_set_add_border (base, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_d3d11_scale_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstD3D11BaseConvert *base = GST_D3D11_BASE_CONVERT (object);
switch (prop_id) {
case PROP_CONVERT_ADD_BORDERS:
g_value_set_boolean (value, base->add_borders);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstCaps *
gst_d3d11_scale_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_d3d11_base_convert_caps_rangify_size_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;
}
static GstCaps *
gst_d3d11_scale_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GST_DEBUG_OBJECT (base,
"trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %"
GST_PTR_FORMAT, othercaps, caps);
othercaps =
gst_d3d11_base_convert_fixate_size (base, direction, caps, othercaps);
GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, othercaps);
return othercaps;
}
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