From 626b7c0f1a71f30d9fa6cbdf2cd3438425a7ba15 Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Sun, 4 Mar 2007 02:48:32 +0000 Subject: add R/WB24 functions Originally committed as revision 8216 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/intreadwrite.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'libavutil/intreadwrite.h') diff --git a/libavutil/intreadwrite.h b/libavutil/intreadwrite.h index 0e1159802c..09144f25a5 100644 --- a/libavutil/intreadwrite.h +++ b/libavutil/intreadwrite.h @@ -52,6 +52,14 @@ struct unaligned_16 { uint16_t l; } __attribute__((packed)); ((uint8_t*)(p))[1] = (d); \ ((uint8_t*)(p))[0] = (d)>>8; } +#define AV_RB24(x) ((((uint8_t*)(x))[0] << 16) | \ + (((uint8_t*)(x))[1] << 8) | \ + ((uint8_t*)(x))[2]) +#define AV_WB24(p, d) { \ + ((uint8_t*)(p))[2] = (d); \ + ((uint8_t*)(p))[1] = (d)>>8; \ + ((uint8_t*)(p))[0] = (d)>>16; } + #define AV_RB32(x) ((((uint8_t*)(x))[0] << 24) | \ (((uint8_t*)(x))[1] << 16) | \ (((uint8_t*)(x))[2] << 8) | \ -- cgit v1.2.3