lavfi/vaapi: Add constant VAAPI_VPP_BACKGROUND_BLACK

Signed-off-by: Zachary Zhou <zachary.zhou@intel.com>
Signed-off-by: Mark Thompson <sw@jkqxz.net>

libavfilter/vaapi_vpp.h

@@ -27,6 +27,9 @@
 
 #include "avfilter.h"
 
+// ARGB black, for VAProcPipelineParameterBuffer.output_background_color.
+#define VAAPI_VPP_BACKGROUND_BLACK 0xff000000
+
 typedef struct VAAPIVPPContext {
     const AVClass *class;
 

libavfilter/vf_deinterlace_vaapi.c

@@ -256,7 +256,7 @@ static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
             ff_vaapi_vpp_colour_standard(input_frame->colorspace);
 
         params.output_region = NULL;
-        params.output_background_color = 0xff000000;
+        params.output_background_color = VAAPI_VPP_BACKGROUND_BLACK;
         params.output_color_standard = params.surface_color_standard;
 
         params.pipeline_flags = 0;

libavfilter/vf_misc_vaapi.c

@@ -174,7 +174,7 @@ static int misc_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
         ff_vaapi_vpp_colour_standard(input_frame->colorspace);
 
     params.output_region = NULL;
-    params.output_background_color = 0xff000000;
+    params.output_background_color = VAAPI_VPP_BACKGROUND_BLACK;
     params.output_color_standard = params.surface_color_standard;
 
     params.pipeline_flags = 0;

libavfilter/vf_procamp_vaapi.c

@@ -171,7 +171,7 @@ static int procamp_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame
         ff_vaapi_vpp_colour_standard(input_frame->colorspace);
 
     params.output_region = NULL;
-    params.output_background_color = 0xff000000;
+    params.output_background_color = VAAPI_VPP_BACKGROUND_BLACK;
     params.output_color_standard = params.surface_color_standard;
 
     params.pipeline_flags = 0;

libavfilter/vf_scale_vaapi.c

@@ -133,7 +133,7 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
         ff_vaapi_vpp_colour_standard(input_frame->colorspace);
 
     params.output_region = 0;
-    params.output_background_color = 0xff000000;
+    params.output_background_color = VAAPI_VPP_BACKGROUND_BLACK;
     params.output_color_standard = params.surface_color_standard;
 
     params.pipeline_flags = 0;