[FFmpeg-cvslog] r23461 - trunk/libavutil/base64.h

[hyc]

Author: hyc
Date: Fri Jun  4 03:15:07 2010
New Revision: 23461

Log:
Add AV_BASE64_SIZE() macro

Modified:
   trunk/libavutil/base64.h

Modified: trunk/libavutil/base64.h
==============================================================================
--- trunk/libavutil/base64.h	Fri Jun  4 01:53:10 2010	(r23460)
+++ trunk/libavutil/base64.h	Fri Jun  4 03:15:07 2010	(r23461)
@@ -46,4 +46,9 @@ int av_base64_decode(uint8_t *out, const
  */
 char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
 
+/**
+ * Calculate the output size needed to base64-encode x bytes.
+ */
+#define AV_BASE64_SIZE(x)  (((x)+2) / 3 * 4 + 1)
+
 #endif /* AVUTIL_BASE64_H */