diff --git a/spa/include/spa/param/video/dsp-utils.h b/spa/include/spa/param/video/dsp-utils.h
index 53ec9de82..590621c23 100644
--- a/spa/include/spa/param/video/dsp-utils.h
+++ b/spa/include/spa/param/video/dsp-utils.h
@@ -23,8 +23,11 @@ spa_format_video_dsp_parse(const struct spa_pod *format,
 			   struct spa_video_info_dsp *info)
 {
 	info->flags = SPA_VIDEO_FLAG_NONE;
-	if (spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) {
+	const struct spa_pod_prop *mod_prop;
+	if ((mod_prop = spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) != NULL) {
 		info->flags |= SPA_VIDEO_FLAG_MODIFIER;
+		if ((mod_prop->flags & SPA_POD_PROP_FLAG_DONT_FIXATE) == SPA_POD_PROP_FLAG_DONT_FIXATE)
+			info->flags |= SPA_VIDEO_FLAG_MODIFIER_FIXATION_REQUIRED;
 	}
 
 	return spa_pod_parse_object(format,
diff --git a/spa/include/spa/param/video/raw-utils.h b/spa/include/spa/param/video/raw-utils.h
index 58ed8e49a..22d4a8a14 100644
--- a/spa/include/spa/param/video/raw-utils.h
+++ b/spa/include/spa/param/video/raw-utils.h
@@ -23,8 +23,11 @@ spa_format_video_raw_parse(const struct spa_pod *format,
 			   struct spa_video_info_raw *info)
 {
 	info->flags = SPA_VIDEO_FLAG_NONE;
-	if (spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) {
+	const struct spa_pod_prop *mod_prop;
+	if ((mod_prop = spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier)) != NULL) {
 		info->flags |= SPA_VIDEO_FLAG_MODIFIER;
+		if ((mod_prop->flags & SPA_POD_PROP_FLAG_DONT_FIXATE) == SPA_POD_PROP_FLAG_DONT_FIXATE)
+			info->flags |= SPA_VIDEO_FLAG_MODIFIER_FIXATION_REQUIRED;
 	}
 
 	return spa_pod_parse_object(format,
diff --git a/spa/include/spa/param/video/raw.h b/spa/include/spa/param/video/raw.h
index a2087348c..84f78ad6a 100644
--- a/spa/include/spa/param/video/raw.h
+++ b/spa/include/spa/param/video/raw.h
@@ -134,11 +134,12 @@ enum spa_video_format {
  * Extra video flags
  */
 enum spa_video_flags {
-	SPA_VIDEO_FLAG_NONE = 0,			/**< no flags */
-	SPA_VIDEO_FLAG_VARIABLE_FPS = (1 << 0),		/**< a variable fps is selected, fps_n and fps_d
-							 *   denote the maximum fps of the video */
-	SPA_VIDEO_FLAG_PREMULTIPLIED_ALPHA = (1 << 1),  /**< Each color has been scaled by the alpha value. */
-	SPA_VIDEO_FLAG_MODIFIER = (1 << 2),		/**< use the format modifier */
+	SPA_VIDEO_FLAG_NONE = 0,				/**< no flags */
+	SPA_VIDEO_FLAG_VARIABLE_FPS = (1 << 0),			/**< a variable fps is selected, fps_n and fps_d
+								 *   denote the maximum fps of the video */
+	SPA_VIDEO_FLAG_PREMULTIPLIED_ALPHA = (1 << 1),		/**< Each color has been scaled by the alpha value. */
+	SPA_VIDEO_FLAG_MODIFIER = (1 << 2),			/**< use the format modifier */
+	SPA_VIDEO_FLAG_MODIFIER_FIXATION_REQUIRED = (1 << 3),	/**< format modifier was not fixated yet */
 };
 
 /**