From 784c08af3005390cb1d74add13b58edf1663cd40 Mon Sep 17 00:00:00 2001 From: Lynne <dev@lynne.ee> Date: Sat, 9 Jan 2021 09:05:18 +0100 Subject: [PATCH] ac3enc: do not clip coefficients after transforms In either encoder, its impossible for the coefficients to go past 25 bits right after the MDCT. Our MDCT is numerically stable. For the floating point encoder, in case a NaN is contained, lrintf() will raise a floating point exception during the conversion. --- libavcodec/ac3enc_template.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/libavcodec/ac3enc_template.c b/libavcodec/ac3enc_template.c index de6eba71d8..4f1e181e0b 100644 --- a/libavcodec/ac3enc_template.c +++ b/libavcodec/ac3enc_template.c @@ -383,9 +383,6 @@ int AC3_NAME(encode_frame)(AVCodecContext *avctx, AVPacket *avpkt, apply_mdct(s); - clip_coefficients(&s->adsp, s->blocks[0].mdct_coef[1], - AC3_MAX_COEFS * s->num_blocks * s->channels); - s->cpl_on = s->cpl_enabled; ff_ac3_compute_coupling_strategy(s);