lavfi/vaapi: Improve support for colour properties

Attempts to pick the set of supported colour properties best matching the
input.  Output is then set with the same values, except for the colour
matrix which may change when converting between RGB and YUV.

libavfilter/vaapi_vpp.h

@@ -68,8 +68,6 @@ int ff_vaapi_vpp_config_input(AVFilterLink *inlink);
 
 int ff_vaapi_vpp_config_output(AVFilterLink *outlink);
 
-int ff_vaapi_vpp_colour_standard(enum AVColorSpace av_cs);
-
 int ff_vaapi_vpp_init_params(AVFilterContext *avctx,
                              VAProcPipelineParameterBuffer *params,
                              const AVFrame *input_frame,

libavfilter/vf_deinterlace_vaapi.c

@@ -237,6 +237,10 @@ static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
             goto fail;
         }
 
+        err = av_frame_copy_props(output_frame, input_frame);
+        if (err < 0)
+            return err;
+
         err = ff_vaapi_vpp_init_params(avctx, &params,
                                        input_frame, output_frame);
         if (err < 0)
@@ -284,10 +288,6 @@ static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
         if (err < 0)
             goto fail;
 
-        err = av_frame_copy_props(output_frame, input_frame);
-        if (err < 0)
-            goto fail;
-
         if (ctx->field_rate == 2) {
             if (field == 0)
                 output_frame->pts = 2 * input_frame->pts;

libavfilter/vf_misc_vaapi.c

@@ -143,6 +143,10 @@ static int misc_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
         goto fail;
     }
 
+    err = av_frame_copy_props(output_frame, input_frame);
+    if (err < 0)
+        return err;
+
     err = ff_vaapi_vpp_init_params(avctx, &params,
                                    input_frame, output_frame);
     if (err < 0)
@@ -157,9 +161,6 @@ static int misc_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
     if (err < 0)
         goto fail;
 
-    err = av_frame_copy_props(output_frame, input_frame);
-    if (err < 0)
-        goto fail;
     av_frame_free(&input_frame);
 
     av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",

libavfilter/vf_procamp_vaapi.c

@@ -148,6 +148,10 @@ static int procamp_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame
         goto fail;
     }
 
+    err = av_frame_copy_props(output_frame, input_frame);
+    if (err < 0)
+        return err;
+
     err = ff_vaapi_vpp_init_params(avctx, &params,
                                    input_frame, output_frame);
     if (err < 0)
@@ -160,9 +164,6 @@ static int procamp_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame
     if (err < 0)
         goto fail;
 
-    err = av_frame_copy_props(output_frame, input_frame);
-    if (err < 0)
-        goto fail;
     av_frame_free(&input_frame);
 
     av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",

libavfilter/vf_scale_vaapi.c

@@ -106,6 +106,10 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
         goto fail;
     }
 
+    err = av_frame_copy_props(output_frame, input_frame);
+    if (err < 0)
+        return err;
+
     err = ff_vaapi_vpp_init_params(avctx, &params,
                                    input_frame, output_frame);
     if (err < 0)
@@ -117,10 +121,6 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
     if (err < 0)
         goto fail;
 
-    err = av_frame_copy_props(output_frame, input_frame);
-    if (err < 0)
-        goto fail;
-
     av_frame_free(&input_frame);
 
     av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64"), mode: %s.\n",

libavfilter/vf_transpose_vaapi.c

@@ -143,6 +143,10 @@ static int transpose_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_fra
         goto fail;
     }
 
+    err = av_frame_copy_props(output_frame, input_frame);
+    if (err < 0)
+        return err;
+
     err = ff_vaapi_vpp_init_params(avctx, &params,
                                    input_frame, output_frame);
     if (err < 0)
@@ -155,9 +159,6 @@ static int transpose_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_fra
     if (err < 0)
         goto fail;
 
-    err = av_frame_copy_props(output_frame, input_frame);
-    if (err < 0)
-        goto fail;
     av_frame_free(&input_frame);
 
     av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",