videoparsers: use ACCEPT_INTERSECT

We can also accept caps with missing fields.

gst/videoparsers/gstdiracparse.c

@@ -136,6 +136,7 @@ gst_dirac_parse_init (GstDiracParse * diracparse)
 {
   gst_base_parse_set_min_frame_size (GST_BASE_PARSE (diracparse), 13);
   gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (diracparse), FALSE);
+  GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (diracparse));
 }
 
 void
@@ -423,13 +424,7 @@ gst_dirac_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
 
     res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
     gst_caps_unref (peercaps);
-    res = gst_caps_make_writable (res);
+    gst_caps_unref (templ);
-
-    /* Append the template caps because we still want to accept
-     * caps without any fields in the case upstream does not
-     * know anything.
-     */
-    gst_caps_append (res, templ);
   } else {
     res = templ;
   }

gst/videoparsers/gsth263parse.c

@@ -91,6 +91,7 @@ gst_h263_parse_class_init (GstH263ParseClass * klass)
 static void
 gst_h263_parse_init (GstH263Parse * h263parse)
 {
+  GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (h263parse));
 }
 
 static gboolean
@@ -397,13 +398,7 @@ gst_h263_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
 
     res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
     gst_caps_unref (peercaps);
-    res = gst_caps_make_writable (res);
+    gst_caps_unref (templ);
-
-    /* Append the template caps because we still want to accept
-     * caps without any fields in the case upstream does not
-     * know anything.
-     */
-    gst_caps_append (res, templ);
   } else {
     res = templ;
   }

gst/videoparsers/gsth264parse.c

@@ -147,6 +147,7 @@ gst_h264_parse_init (GstH264Parse * h264parse)
 {
   h264parse->frame_out = gst_adapter_new ();
   gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (h264parse), FALSE);
+  GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (h264parse));
 }
 
 
@@ -1931,13 +1932,7 @@ gst_h264_parse_get_caps (GstBaseParse * parse, GstCaps * filter)
 
     res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
     gst_caps_unref (peercaps);
-    res = gst_caps_make_writable (res);
+    gst_caps_unref (templ);
-
-    /* Append the template caps because we still want to accept
-     * caps without any fields in the case upstream does not
-     * know anything.
-     */
-    gst_caps_append (res, templ);
   } else {
     res = templ;
   }

gst/videoparsers/gsth265parse.c

@@ -142,6 +142,7 @@ gst_h265_parse_init (GstH265Parse * h265parse)
 {
   h265parse->frame_out = gst_adapter_new ();
   gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (h265parse), FALSE);
+  GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (h265parse));
 }
 
 
@@ -1869,13 +1870,7 @@ gst_h265_parse_get_caps (GstBaseParse * parse, GstCaps * filter)
 
     res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
     gst_caps_unref (peercaps);
-    res = gst_caps_make_writable (res);
+    gst_caps_unref (templ);
-
-    /* Append the template caps because we still want to accept
-     * caps without any fields in the case upstream does not
-     * know anything.
-     */
-    gst_caps_append (res, templ);
   } else {
     res = templ;
   }

gst/videoparsers/gstmpeg4videoparse.c

@@ -187,6 +187,7 @@ gst_mpeg4vparse_init (GstMpeg4VParse * parse)
   parse->last_report = GST_CLOCK_TIME_NONE;
 
   gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (parse), FALSE);
+  GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (parse));
 }
 
 static void
@@ -867,13 +868,7 @@ gst_mpeg4vparse_get_caps (GstBaseParse * parse, GstCaps * filter)
 
     res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
     gst_caps_unref (peercaps);
-    res = gst_caps_make_writable (res);
+    gst_caps_unref (templ);
-
-    /* Append the template caps because we still want to accept
-     * caps without any fields in the case upstream does not
-     * know anything.
-     */
-    gst_caps_append (res, templ);
   } else {
     res = templ;
   }

gst/videoparsers/gstmpegvideoparse.c

@@ -176,6 +176,7 @@ gst_mpegv_parse_init (GstMpegvParse * parse)
   parse->config_flags = FLAG_NONE;
 
   gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (parse), FALSE);
+  GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (parse));
 }
 
 static void
@@ -1059,13 +1060,7 @@ gst_mpegv_parse_get_caps (GstBaseParse * parse, GstCaps * filter)
 
     res = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
     gst_caps_unref (peercaps);
-    res = gst_caps_make_writable (res);
+    gst_caps_unref (templ);
-
-    /* Append the template caps because we still want to accept
-     * caps without any fields in the case upstream does not
-     * know anything.
-     */
-    gst_caps_append (res, templ);
   } else {
     res = templ;
   }

gst/videoparsers/gstvc1parse.c

@@ -234,6 +234,7 @@ gst_vc1_parse_init (GstVC1Parse * vc1parse)
   gst_base_parse_set_has_timing_info (GST_BASE_PARSE (vc1parse), FALSE);
 
   gst_vc1_parse_reset (vc1parse);
+  GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (vc1parse));
 }
 
 static void