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Use cutoff frequency to adjust bandwidth in the generic psymodel preprocess. 

Originally committed as revision 19429 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Converse 2009-07-14 05:22:23 +00:00
parent 19b4c62883
commit 2876a9dbaf
1 changed files with 3 additions and 1 deletions
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4
libavcodec/psymodel.c
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@ -84,7 +84,9 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
ctx = av_mallocz(sizeof(FFPsyPreprocessContext));
ctx->avctx = avctx;
if (avctx->flags & CODEC_FLAG_QSCALE)
if (avctx->cutoff > 0)
cutoff_coeff = 2.0 * avctx->cutoff / avctx->sample_rate;
else if (avctx->flags & CODEC_FLAG_QSCALE)
cutoff_coeff = 1.0f / av_clip(1 + avctx->global_quality / FF_QUALITY_SCALE, 1, 8);
else
cutoff_coeff = avctx->bit_rate / (4.0f * avctx->sample_rate * avctx->channels);