aux/trace: add context video methods

Preliminary support without wrapping video_codec or video_buffer

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24482>

src/util/format/u_format.h

@@ -465,6 +465,25 @@ util_format_short_name(enum pipe_format format)
    return desc->short_name;
 }
 
+static inline const char *
+util_chroma_format_name(enum pipe_video_chroma_format chroma_format)
+{
+   switch (chroma_format) {
+   case PIPE_VIDEO_CHROMA_FORMAT_400:
+      return "PIPE_VIDEO_CHROMA_FORMAT_400";
+   case PIPE_VIDEO_CHROMA_FORMAT_420:
+      return "PIPE_VIDEO_CHROMA_FORMAT_420";
+   case PIPE_VIDEO_CHROMA_FORMAT_422:
+      return "PIPE_VIDEO_CHROMA_FORMAT_422";
+   case PIPE_VIDEO_CHROMA_FORMAT_444:
+      return "PIPE_VIDEO_CHROMA_FORMAT_444";
+   case PIPE_VIDEO_CHROMA_FORMAT_NONE:
+      return "PIPE_VIDEO_CHROMA_FORMAT_NONE";
+   default:
+      return "PIPE_VIDEO_CHROMA_FORMAT_???";
+   }
+}
+
 /**
  * Whether this format is plain, see UTIL_FORMAT_LAYOUT_PLAIN for more info.
  */