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d3d11window: Use SDR colorspace whenever possible

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PQ uses completely different light level scale
and it should not be used for SDR bt2020.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2581>
This commit is contained in:
Seungha Yang 2022-06-14 00:24:41 +09:00
parent ac26860a80
commit f3f905b491
1 changed files with 20 additions and 4 deletions
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24
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11pluginutils.cpp
View file

@ -516,11 +516,13 @@ gst_d3d11_find_swap_chain_color_space (GstVideoInfo * info,
const GstDxgiColorSpace *colorspace = NULL;
gint best_score = G_MAXINT;
guint i;
UINT can_support = 0;
HRESULT hr;
GST_DXGI_COLOR_SPACE_TYPE cur_type;
/* list of tested display color spaces */
static GST_DXGI_COLOR_SPACE_TYPE whitelist[] = {
GST_DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709,
GST_DXGI_COLOR_SPACE_RGB_FULL_G10_NONE_P709,
GST_DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020,
};
g_return_val_if_fail (info != NULL, FALSE);
@ -531,12 +533,26 @@ gst_d3d11_find_swap_chain_color_space (GstVideoInfo * info,
return FALSE;
}
/* Select PQ color space only if input is also PQ */
if (info->colorimetry.primaries == GST_VIDEO_COLOR_PRIMARIES_BT2020 &&
info->colorimetry.transfer == GST_VIDEO_TRANSFER_SMPTE2084) {
guint pq = GST_DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020;
hr = swapchain->CheckColorSpaceSupport ((DXGI_COLOR_SPACE_TYPE) pq,
&can_support);
if (SUCCEEDED (hr) && can_support) {
for (i = 0; i < G_N_ELEMENTS (rgb_colorspace_map); i++) {
if (rgb_colorspace_map[i].dxgi_color_space_type == pq)
return &rgb_colorspace_map[i];
}
}
}
for (i = 0; i < G_N_ELEMENTS (rgb_colorspace_map); i++) {
UINT can_support = 0;
HRESULT hr;
can_support = 0;
gint score;
gboolean valid = FALSE;
GST_DXGI_COLOR_SPACE_TYPE cur_type =
cur_type =
(GST_DXGI_COLOR_SPACE_TYPE) rgb_colorspace_map[i].dxgi_color_space_type;
for (guint j = 0; j < G_N_ELEMENTS (whitelist); j++) {