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d3d11: Add support for video rescale and rename element to d3d11convert

Browse source 
GstD3D11ColorConverter implementation is able to rescale video as well.
By doing colorspace conversion and rescale at once, we can save
one cycle of shader pipeline which will can save GPU resource.

Since this element can support color space conversion and rescale,
it's renamed as d3d11convert

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1275>
This commit is contained in:
Seungha Yang 2020-05-16 20:45:23 +09:00 committed by GStreamer Merge Bot
parent 0e842c74b6
commit a24d4e654d
2 changed files with 534 additions and 63 deletions
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595
sys/d3d11/gstd3d11colorconvert.c
View file

@ -4,6 +4,7 @@
* 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
@ -22,14 +23,18 @@
*/
/**
* SECTION:element-d3d11colorconvert
* SECTION:element-d3d11convert
* @title: d3d11colorconvert
*
* Convert video frames between supported video formats.
* 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 -v videotestsrc ! video/x-raw,format=NV12 ! d3d11upload ! d3d11videocolorconvert ! d3d11videosink
* gst-launch-1.0 -v 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
@ -99,7 +104,8 @@ static gboolean gst_d3d11_color_convert_set_info (GstD3D11BaseFilter * filter,
/* copies the given caps */
static GstCaps *
gst_d3d11_color_convert_caps_remove_format_info (GstCaps * caps)
gst_d3d11_color_convert_caps_remove_format_and_rangify_size_info (GstCaps *
caps)
{
GstStructure *st;
GstCapsFeatures *f;
@ -123,9 +129,17 @@ gst_d3d11_color_convert_caps_remove_format_info (GstCaps * caps)
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_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));
}
@ -148,9 +162,9 @@ gst_d3d11_color_convert_class_init (GstD3D11ColorConvertClass * klass)
gst_element_class_add_static_pad_template (element_class, &src_template);
gst_element_class_set_static_metadata (element_class,
"Direct3D11 Colorspace converter",
"Filter/Converter/Video/Hardware",
"Converts video from one colorspace to another using D3D11",
"Direct3D11 colorspace converter and scaler",
"Filter/Converter/Scaler/Video/Hardware",
"Resizes video and allow color conversion using D3D11",
"Seungha Yang <seungha.yang@navercorp.com>, "
"Jeongki Kim <jeongki.kim@jeongki.kim>");
@ -173,7 +187,7 @@ gst_d3d11_color_convert_class_init (GstD3D11ColorConvertClass * klass)
GST_DEBUG_FUNCPTR (gst_d3d11_color_convert_set_info);
GST_DEBUG_CATEGORY_INIT (gst_d3d11_color_convert_debug,
"d3d11colorconvert", 0, "Video Colorspace Convert via D3D11");
"d3d11convert", 0, "d3d11convert element");
}
static void
@ -236,7 +250,7 @@ gst_d3d11_color_convert_transform_caps (GstBaseTransform *
GstCaps *result;
/* Get all possible caps that we can transform to */
tmp = gst_d3d11_color_convert_caps_remove_format_info (caps);
tmp = gst_d3d11_color_convert_caps_remove_format_and_rangify_size_info (caps);
if (filter) {
tmp2 = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
@ -298,7 +312,7 @@ gst_d3d11_color_convert_transform_caps (GstBaseTransform *
/* calculate how much loss a conversion would be */
static void
score_value (const GstVideoFormatInfo * in_info,
score_value (GstBaseTransform * base, const GstVideoFormatInfo * in_info,
const GValue * val, gint * min_loss, const GstVideoFormatInfo ** out_info)
{
const gchar *fname;
@ -308,7 +322,7 @@ score_value (const GstVideoFormatInfo * in_info,
fname = g_value_get_string (val);
t_info = gst_video_format_get_info (gst_video_format_from_string (fname));
if (!t_info)
if (!t_info || t_info->format == GST_VIDEO_FORMAT_UNKNOWN)
return;
/* accept input format immediately without loss */
@ -365,53 +379,39 @@ score_value (const GstVideoFormatInfo * in_info,
loss += SCORE_DEPTH_LOSS + (in_info->bits - t_info->bits);
}
GST_DEBUG ("score %s -> %s = %d",
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 ("found new best %d", loss);
GST_DEBUG_OBJECT (base, "found new best %d", loss);
*out_info = t_info;
*min_loss = loss;
}
}
static GstCaps *
static void
gst_d3d11_color_convert_fixate_format (GstBaseTransform * trans,
GstCaps * caps, GstCaps * othercaps)
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;
GstCaps *result;
result = gst_caps_intersect (othercaps, caps);
if (gst_caps_is_empty (result)) {
gst_caps_unref (result);
result = othercaps;
} else {
gst_caps_unref (othercaps);
}
result = gst_caps_make_writable (result);
ins = gst_caps_get_structure (caps, 0);
in_format = gst_structure_get_string (ins, "format");
if (!in_format) {
gst_caps_unref (result);
return NULL;
return;
}
GST_DEBUG ("source format %s", in_format);
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) {
gst_caps_unref (result);
return NULL;
}
if (!in_info)
return;
outs = gst_caps_get_structure (result, 0);
@ -423,6 +423,8 @@ gst_d3d11_color_convert_fixate_format (GstBaseTransform * trans,
tests = gst_caps_get_structure (result, i);
format = gst_structure_get_value (tests, "format");
gst_structure_remove_fields (tests, "height", "width", "pixel-aspect-ratio",
"display-aspect-ratio", NULL);
/* should not happen */
if (format == NULL)
continue;
@ -431,45 +433,39 @@ gst_d3d11_color_convert_fixate_format (GstBaseTransform * trans,
gint j, len;
len = gst_value_list_get_size (format);
GST_DEBUG ("have %d formats", len);
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 (in_info, val, &min_loss, &out_info);
score_value (trans, in_info, val, &min_loss, &out_info);
if (min_loss == 0)
break;
}
}
} else if (G_VALUE_HOLDS_STRING (format)) {
score_value (in_info, format, &min_loss, &out_info);
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);
return result;
}
static GstCaps *
gst_d3d11_color_convert_fixate_caps (GstBaseTransform * trans,
gst_d3d11_color_convert_get_fixed_format (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstCaps *result;
GST_DEBUG_OBJECT (trans, "trying to fixate othercaps %" GST_PTR_FORMAT
" based on caps %" GST_PTR_FORMAT, othercaps, caps);
result = gst_caps_intersect (othercaps, caps);
if (gst_caps_is_empty (result)) {
gst_caps_unref (result);
result = gst_caps_copy (othercaps);
}
result =
gst_d3d11_color_convert_fixate_format (trans,
caps, gst_caps_ref (othercaps));
if (!result)
result = othercaps;
else
gst_caps_unref (othercaps);
gst_d3d11_color_convert_fixate_format (trans, caps, result);
/* fixate remaining fields */
result = gst_caps_fixate (result);
@ -483,6 +479,487 @@ gst_d3d11_color_convert_fixate_caps (GstBaseTransform * trans,
return result;
}
static GstCaps *
gst_d3d11_color_convert_fixate_size (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstStructure *ins, *outs;
const GValue *from_par, *to_par;
GValue fpar = { 0, }, tpar = {
0,};
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_color_convert_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstCaps *format;
GST_DEBUG_OBJECT (base,
"trying to fixate othercaps %" GST_PTR_FORMAT " based on caps %"
GST_PTR_FORMAT, othercaps, caps);
format = gst_d3d11_color_convert_get_fixed_format (base, direction, caps,
othercaps);
if (gst_caps_is_empty (format)) {
GST_ERROR_OBJECT (base, "Could not convert formats");
return format;
}
othercaps =
gst_d3d11_color_convert_fixate_size (base, direction, caps, othercaps);
if (gst_caps_get_size (othercaps) == 1) {
gint 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_color_convert_filter_meta (GstBaseTransform * trans,
GstQuery * query, GType api, const GstStructure * params)
@ -873,22 +1350,16 @@ gst_d3d11_color_convert_set_info (GstD3D11BaseFilter * filter,
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (in_info)),
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (out_info)));
/* these must match */
if (in_info->width != out_info->width || in_info->height != out_info->height
|| in_info->fps_n != out_info->fps_n || in_info->fps_d != out_info->fps_d)
goto format_mismatch;
/* if present, these must match too */
if (in_info->par_n != out_info->par_n || in_info->par_d != out_info->par_d)
goto format_mismatch;
/* if present, these must match too */
/* if present, these must match */
if (in_info->interlace_mode != out_info->interlace_mode)
goto format_mismatch;
/* don't need to create converter */
if (GST_VIDEO_INFO_FORMAT (in_info) == GST_VIDEO_INFO_FORMAT (out_info))
/* FIXME: add support border */
if (in_info->width == out_info->width && in_info->height == out_info->height
&& in_info->finfo == out_info->finfo) {
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), TRUE);
return TRUE;
}
self->in_d3d11_format =
gst_d3d11_device_format_from_gst (filter->device,

2
sys/d3d11/plugin.c
View file

@ -88,7 +88,7 @@ plugin_init (GstPlugin * plugin)
gst_element_register (plugin,
"d3d11download", GST_RANK_NONE, GST_TYPE_D3D11_DOWNLOAD);
gst_element_register (plugin,
"d3d11colorconvert", GST_RANK_NONE, GST_TYPE_D3D11_COLOR_CONVERT);
"d3d11convert", GST_RANK_NONE, GST_TYPE_D3D11_COLOR_CONVERT);
gst_element_register (plugin,
"d3d11videosinkelement", GST_RANK_NONE, GST_TYPE_D3D11_VIDEO_SINK);
gst_element_register (plugin,