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AAC encoder: Fixed a rounding bug in psy's channel bitrate computation.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Claudio Freire 2013-05-04 18:35:49 -03:00 committed by Michael Niedermayer
parent adaa7743f5
commit c545876d1b
1 changed files with 1 additions and 1 deletions
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libavcodec/aacpsy.c
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@ -316,7 +316,7 @@ static av_cold int psy_3gpp_init(FFPsyContext *ctx) {
AacPsyCoeffs *coeffs = pctx->psy_coef[j]; AacPsyCoeffs *coeffs = pctx->psy_coef[j];
const uint8_t *band_sizes = ctx->bands[j]; const uint8_t *band_sizes = ctx->bands[j];
float line_to_frequency = ctx->avctx->sample_rate / (j ? 256.f : 2048.0f); 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 */ /* 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 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; float en_spread_low = j ? PSY_3GPP_EN_SPREAD_LOW_S : PSY_3GPP_EN_SPREAD_LOW_L;