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d3d11colorconverter: Allow setting alpha value to use

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... used for reordering case for now. In other words, non-alpha formats
such as NV12 is not supported case yet.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1323>
This commit is contained in:
Seungha Yang 2020-08-01 20:16:52 +09:00 committed by GStreamer Merge Bot
parent ca87289e56
commit 4c19962997
2 changed files with 35 additions and 6 deletions
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36
sys/d3d11/gstd3d11colorconverter.c
View file

@ -95,7 +95,10 @@ static const PixelShaderTemplate templ_RGB_to_YUV =
{ COLOR_TRANSFORM_COEFF, HLSL_FUNC_RGB_TO_YUV };
static const gchar templ_REORDER_BODY[] =
" output.Plane_0 = shaderTexture[0].Sample(samplerState, input.Texture);\n";
" float4 xyza;\n"
" xyza.xyz = shaderTexture[0].Sample(samplerState, input.Texture).xyz;\n"
" xyza.a = shaderTexture[0].Sample(samplerState, input.Texture).a * %f;\n"
" output.Plane_0 = xyza;\n";
static const gchar templ_VUYA_to_RGB_BODY[] =
" float4 sample, rgba;\n"
@ -315,6 +318,7 @@ struct _GstD3D11ColorConverter
GstD3D11Device *device;
GstVideoInfo in_info;
GstVideoInfo out_info;
gfloat alpha;
const GstD3D11Format *in_d3d11_format;
const GstD3D11Format *out_d3d11_format;
@ -575,7 +579,7 @@ setup_convert_info_rgb_to_rgb (GstD3D11ColorConverter * self,
ConvertInfo *convert_info = &self->convert_info;
convert_info->templ = &templ_REORDER;
convert_info->ps_body[0] = g_strdup_printf (templ_REORDER_BODY);
convert_info->ps_body[0] = g_strdup_printf (templ_REORDER_BODY, self->alpha);
return TRUE;
}
@ -801,7 +805,7 @@ setup_convert_info_vuya_to_vuya (GstD3D11ColorConverter * self,
info->templ = &templ_REORDER;
info->ps_body[0] = g_strdup_printf (templ_REORDER_BODY);
info->ps_body[0] = g_strdup_printf (templ_REORDER_BODY, self->alpha);
return TRUE;
}
@ -1267,9 +1271,9 @@ clear:
return ret;
}
GstD3D11ColorConverter *
gst_d3d11_color_converter_new (GstD3D11Device * device,
GstVideoInfo * in_info, GstVideoInfo * out_info)
static GstD3D11ColorConverter *
gst_d3d11_color_converter_new_internal (GstD3D11Device * device,
GstVideoInfo * in_info, GstVideoInfo * out_info, gfloat alpha)
{
const GstVideoInfo *unknown_info;
const GstD3D11Format *in_d3d11_format;
@ -1306,6 +1310,7 @@ gst_d3d11_color_converter_new (GstD3D11Device * device,
converter = g_new0 (GstD3D11ColorConverter, 1);
converter->device = gst_object_ref (device);
converter->alpha = alpha;
if (GST_VIDEO_INFO_IS_RGB (in_info)) {
if (GST_VIDEO_INFO_IS_RGB (out_info)) {
@ -1387,6 +1392,25 @@ conversion_not_supported:
}
}
GstD3D11ColorConverter *
gst_d3d11_color_converter_new (GstD3D11Device * device,
GstVideoInfo * in_info, GstVideoInfo * out_info)
{
return gst_d3d11_color_converter_new_internal (device, in_info, out_info,
1.0f);
}
GstD3D11ColorConverter *
gst_d3d11_color_converter_new_with_alpha (GstD3D11Device * device,
GstVideoInfo * in_info, GstVideoInfo * out_info, gfloat alpha)
{
g_return_val_if_fail (alpha >= 0.0f, NULL);
g_return_val_if_fail (alpha <= 1.0f, NULL);
return gst_d3d11_color_converter_new_internal (device, in_info, out_info,
alpha);
}
void
gst_d3d11_color_converter_free (GstD3D11ColorConverter * converter)
{

5
sys/d3d11/gstd3d11colorconverter.h
View file

@ -32,6 +32,11 @@ GstD3D11ColorConverter * gst_d3d11_color_converter_new (GstD3D11Device * device
GstVideoInfo * in_info,
GstVideoInfo * out_info);
GstD3D11ColorConverter * gst_d3d11_color_converter_new_with_alpha (GstD3D11Device * device,
GstVideoInfo * in_info,
GstVideoInfo * out_info,
gfloat alpha);
void gst_d3d11_color_converter_free (GstD3D11ColorConverter * converter);
gboolean gst_d3d11_color_converter_convert (GstD3D11ColorConverter * converter,