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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-06-27 14:29:33 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-07-01 13:02:11 -0400 |
| commit | 523b7eba19590652b7ba19c5bdd85dd257bfe4f7 (patch) | |
| tree | b5d326ff4d73740275cae5bf623eabcbee692cb6 /libavcodec/ac3enc.h | |
| parent | 6054cd25b4d7dce97c4fa3cc6e4757ba1e59ab86 (diff) | |
| download | ffmpeg-523b7eba19590652b7ba19c5bdd85dd257bfe4f7.tar.gz | |
ac3enc: clip coefficients after MDCT.
This ensures that any processing between the MDCT and exponent extraction will
be using clipped coefficients.
Diffstat (limited to 'libavcodec/ac3enc.h')
| -rw-r--r-- | libavcodec/ac3enc.h | 4 |
1 files changed, 4 insertions, 0 deletions
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; |