Module: libav
Branch: master
Commit: 7c71ada4cad3c6aab5fa24155c379465c41cfd76

Author:    Claudio Freire <[email protected]>
Committer: Martin Storsjö <[email protected]>
Date:      Sat May  4 18:35:49 2013 -0300

aacenc: Fix a rounding bug in aacpsy channel bitrate computation

Signed-off-by: Martin Storsjö <[email protected]>

---

 libavcodec/aacpsy.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c
index 6f1ac05..66cf6d5 100644
--- a/libavcodec/aacpsy.c
+++ b/libavcodec/aacpsy.c
@@ -312,7 +312,7 @@ static av_cold int psy_3gpp_init(FFPsyContext *ctx) {
         AacPsyCoeffs *coeffs = pctx->psy_coef[j];
         const uint8_t *band_sizes = ctx->bands[j];
         float line_to_frequency = ctx->avctx->sample_rate / (j ? 256.f : 
2048.0f);
-        float avg_chan_bits = chan_bitrate / ctx->avctx->sample_rate * (j ? 
128.0f : 1024.0f);
+        float avg_chan_bits = chan_bitrate * (j ? 128.0f : 1024.0f) / 
ctx->avctx->sample_rate;
         /* reference encoder uses 2.4% here instead of 60% like the spec says 
*/
         float bark_pe = 0.024f * PSY_3GPP_BITS_TO_PE(avg_chan_bits) / num_bark;
         float en_spread_low = j ? PSY_3GPP_EN_SPREAD_LOW_S : 
PSY_3GPP_EN_SPREAD_LOW_L;

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