From 523b7eba19590652b7ba19c5bdd85dd257bfe4f7 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Mon, 27 Jun 2011 14:29:33 -0400 Subject: ac3enc: clip coefficients after MDCT. This ensures that any processing between the MDCT and exponent extraction will be using clipped coefficients. --- libavcodec/ac3enc.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'libavcodec/ac3enc.h') diff --git a/libavcodec/ac3enc.h b/libavcodec/ac3enc.h index be62656650..54f427a523 100644 --- a/libavcodec/ac3enc.h +++ b/libavcodec/ac3enc.h @@ -50,12 +50,16 @@ #if CONFIG_AC3ENC_FLOAT #define AC3_NAME(x) ff_ac3_float_ ## x #define MAC_COEF(d,a,b) ((d)+=(a)*(b)) +#define COEF_MIN (-16777215.0/16777216.0) +#define COEF_MAX ( 16777215.0/16777216.0) typedef float SampleType; typedef float CoefType; typedef float CoefSumType; #else #define AC3_NAME(x) ff_ac3_fixed_ ## x #define MAC_COEF(d,a,b) MAC64(d,a,b) +#define COEF_MIN -16777215 +#define COEF_MAX 16777215 typedef int16_t SampleType; typedef int32_t CoefType; typedef int64_t CoefSumType; -- cgit v1.2.3