Merge commit '42ba1c51'

* commit '42ba1c51':
  log: Document AV_LOG_C usage
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/log.h

@@ -188,16 +188,18 @@ typedef struct AVClass {
 #define AV_LOG_MAX_OFFSET (AV_LOG_DEBUG - AV_LOG_QUIET)
 
 /**
- * Sets additional colors for extended debugging sessions.
- * Requires 256color terminal support. Use outside debugging is not
- * recommended.
+ * @}
  */
 
-#define AV_LOG_C(x) (x << 8)
-
 /**
- * @}
+ * Sets additional colors for extended debugging sessions.
+ * @code
+   av_log(ctx, AV_LOG_DEBUG|AV_LOG_C(134), "Message in purple\n");
+   @endcode
+ * Requires 256color terminal support. Uses outside debugging is not
+ * recommended.
  */
+#define AV_LOG_C(x) (x << 8)
 
 /**
  * Send the specified message to the log if the level is less than or equal