Module: libav Branch: master Commit: 8b7b2d6aaee8cef0051beb3a4cf3e1c5a87cf40f
Author: Justin Ruggles <[email protected]> Committer: Justin Ruggles <[email protected]> Date: Thu Jun 16 16:55:33 2011 -0400 ac3dsp: simplify extract_exponents() now that it does not need to do clipping. --- libavcodec/ac3dsp.c | 15 +-------------- 1 files changed, 1 insertions(+), 14 deletions(-) diff --git a/libavcodec/ac3dsp.c b/libavcodec/ac3dsp.c index 8ce5f8d..98c7357 100644 --- a/libavcodec/ac3dsp.c +++ b/libavcodec/ac3dsp.c @@ -164,21 +164,8 @@ static void ac3_extract_exponents_c(uint8_t *exp, int32_t *coef, int nb_coefs) int i; for (i = 0; i < nb_coefs; i++) { - int e; int v = abs(coef[i]); - if (v == 0) - e = 24; - else { - e = 23 - av_log2(v); - if (e >= 24) { - e = 24; - coef[i] = 0; - } else if (e < 0) { - e = 0; - coef[i] = av_clip(coef[i], -16777215, 16777215); - } - } - exp[i] = e; + exp[i] = v ? 23 - av_log2(v) : 24; } } _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
