avutil: Add av_get_time_base_q()

This fixes usage of AV_TIME_BASE_Q in C++ applications, which
cannot use compound literals directly in their code.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index a0d35d1627..8c6e571f62 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -240,6 +240,11 @@ enum AVMediaType {
 #define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
 
 /**
+ * Return the fractional representation of the internal time base.
+ */
+AVRational av_get_time_base_q(void);
+
+/**
  * @}
  * @}
  * @defgroup lavu_picture Image related
@@ -273,6 +278,7 @@ char av_get_picture_type_char(enum AVPictureType pict_type);
  */
 
 #include "error.h"
+#include "rational.h"
 #include "version.h"
 #include "macros.h"