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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-06-27 22:29:33 +0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2011-07-01 21:02:11 +0400 |
| commit | 523b7eba19590652b7ba19c5bdd85dd257bfe4f7 (patch) | |
| tree | b5d326ff4d73740275cae5bf623eabcbee692cb6 /libavcodec/ac3enc_float.c | |
| parent | 6054cd25b4d7dce97c4fa3cc6e4757ba1e59ab86 (diff) | |
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_float.c')
| -rw-r--r-- | libavcodec/ac3enc_float.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c index 12d6b19241..718cc1f2b2 100644 --- a/libavcodec/ac3enc_float.c +++ b/libavcodec/ac3enc_float.c @@ -111,6 +111,15 @@ static void scale_coefficients(AC3EncodeContext *s) } +/** + * Clip MDCT coefficients to allowable range. + */ +static void clip_coefficients(DSPContext *dsp, float *coef, unsigned int len) +{ + dsp->vector_clipf(coef, coef, COEF_MIN, COEF_MAX, len); +} + + #if CONFIG_AC3_ENCODER AVCodec ff_ac3_encoder = { "ac3", |