From d7194e3b73f94692319292fa070294ba592349e1 Mon Sep 17 00:00:00 2001 From: Alex Converse Date: Wed, 14 Jul 2010 04:10:41 +0000 Subject: aacenc: psy_3gpp_init(): Fix ath for the first line in each sfb. Fix the MDCT line to frequency calculation for the first line in each sfb. Use this value to calculate ATH. Originally committed as revision 24231 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/aacpsy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libavcodec/aacpsy.c') diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c index 7a2a37f..78f4f08 100644 --- a/libavcodec/aacpsy.c +++ b/libavcodec/aacpsy.c @@ -138,7 +138,7 @@ static av_cold int psy_3gpp_init(FFPsyContext *ctx) { } start = 0; for (g = 0; g < ctx->num_bands[j]; g++) { - minscale = ath(ctx->avctx->sample_rate * start / 1024.0, ATH_ADD); + minscale = ath(ctx->avctx->sample_rate * start / 1024.0 / 2.0, ATH_ADD); for (i = 1; i < ctx->bands[j][g]; i++) minscale = FFMIN(minscale, ath(ctx->avctx->sample_rate * (start + i) / 1024.0 / 2.0, ATH_ADD)); coeffs->ath[g] = minscale - minath; -- cgit v1.1