From 31878fcf430cf0f0eb39741c65ccee02b22ef785 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Fri, 4 Jun 2010 01:15:07 +0000 Subject: [PATCH] Add AV_BASE64_SIZE() macro Originally committed as revision 23461 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/base64.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavutil/base64.h b/libavutil/base64.h index 103860eff..477128afa 100644 --- a/libavutil/base64.h +++ b/libavutil/base64.h @@ -46,4 +46,9 @@ int av_base64_decode(uint8_t *out, const char *in, int out_size); */ 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 */ -- 2.11.0