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| author | Alex Converse <alex.converse@gmail.com> | 2010-07-14 08:10:41 +0400 |
|---|---|---|
| committer | Alex Converse <alex.converse@gmail.com> | 2010-07-14 08:10:41 +0400 |
| commit | d7194e3b73f94692319292fa070294ba592349e1 (patch) | |
| tree | f46f472e2ef27de15782711548ecc8db26ec6dc8 /libavcodec/aacpsy.c | |
| parent | 886385afd626c03099aa9ef7725d2a09c82aa196 (diff) | |
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
Diffstat (limited to 'libavcodec/aacpsy.c')
| -rw-r--r-- | libavcodec/aacpsy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c index 7a2a37f4ae..78f4f08823 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; |