From 6767061f8bcc65d53ab979d159e4c758c1f73656 Mon Sep 17 00:00:00 2001 From: reimar Date: Sun, 29 Jun 2008 08:42:53 +0000 Subject: Simplify some imaadpcm macros git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27150 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpcodecs/ad_imaadpcm.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'libmpcodecs/ad_imaadpcm.c') diff --git a/libmpcodecs/ad_imaadpcm.c b/libmpcodecs/ad_imaadpcm.c index bbb30fbc6c..eb7d570f3b 100644 --- a/libmpcodecs/ad_imaadpcm.c +++ b/libmpcodecs/ad_imaadpcm.c @@ -58,14 +58,13 @@ static const int8_t adpcm_index[16] = // useful macros // clamp a number between 0 and 88 -#define CLAMP_0_TO_88(x) if (x < 0) x = 0; else if (x > 88) x = 88; +#define CLAMP_0_TO_88(x) x = av_clip(x, 0, 88); // clamp a number within a signed 16-bit range -#define CLAMP_S16(x) if (x < -32768) x = -32768; \ - else if (x > 32767) x = 32767; +#define CLAMP_S16(x) x = av_clip_int16(x); // clamp a number above 16 #define CLAMP_ABOVE_16(x) if (x < 16) x = 16; // sign extend a 16-bit value -#define SE_16BIT(x) if (x & 0x8000) x -= 0x10000; +#define SE_16BIT(x) x = (int16_t)x; // sign extend a 4-bit value #define SE_4BIT(x) if (x & 0x8) x -= 0x10; -- cgit v1.2.3