avutil/frame: Deprecate av_get_colorspace_name()

Contrary to av_color_space_name() it doesn't even support newer
colorspaces.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

doc/APIchanges

@@ -15,6 +15,10 @@ libavutil:     2017-10-21
 
 API changes, most recent first:
 
+2021-03-21 - xxxxxxxxxx - lavu 56.72.100 - frame.h
+  Deprecated av_get_colorspace_name().
+  Use av_color_space_name() instead.
+
 -------- 8< --------- FFmpeg 4.4 was cut here -------- 8< ---------
 
 2021-03-19 - e8c0bca6bd - lavu 56.69.100 - adler32.h

libavutil/frame.c

@@ -120,6 +120,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 }
 #endif
 
+#if FF_API_COLORSPACE_NAME
 const char *av_get_colorspace_name(enum AVColorSpace val)
 {
     static const char * const name[] = {
@@ -135,7 +136,7 @@ const char *av_get_colorspace_name(enum AVColorSpace val)
         return NULL;
     return name[val];
 }
-
+#endif
 static void get_frame_defaults(AVFrame *frame)
 {
     if (frame->extended_data != frame->data)

libavutil/frame.h

@@ -754,12 +754,15 @@ attribute_deprecated
 void    av_frame_set_color_range(AVFrame *frame, enum AVColorRange val);
 #endif
 
+#if FF_API_COLORSPACE_NAME
 /**
  * Get the name of a colorspace.
  * @return a static string identifying the colorspace; can be NULL.
+ * @deprecated use av_color_space_name()
  */
+attribute_deprecated
 const char *av_get_colorspace_name(enum AVColorSpace val);
-
+#endif
 /**
  * Allocate an AVFrame and set its fields to default values.  The resulting
  * struct must be freed using av_frame_free().

libavutil/version.h

@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  56
-#define LIBAVUTIL_VERSION_MINOR  71
+#define LIBAVUTIL_VERSION_MINOR  72
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
@@ -141,6 +141,9 @@
 #ifndef FF_API_DECLARE_ALIGNED
 #define FF_API_DECLARE_ALIGNED          (LIBAVUTIL_VERSION_MAJOR < 58)
 #endif
+#ifndef FF_API_COLORSPACE_NAME
+#define FF_API_COLORSPACE_NAME          (LIBAVUTIL_VERSION_MAJOR < 58)
+#endif
 
 /**
  * @}