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Code Issues Releases Activity

aacsbr: prevent multiple ff_aac_sbr_ctx_init()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2011-09-23 22:31:57 +02:00
parent abe0dbea2e
commit ad51833a1a
1 changed files with 2 additions and 0 deletions
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2
libavcodec/aacsbr.c
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@ -131,6 +131,8 @@ av_cold void ff_aac_sbr_init(void)
av_cold void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr)
{
float mdct_scale;
if(sbr->mdct.mdct_bits)
return;
sbr->kx[0] = sbr->kx[1] = 32; //Typo in spec, kx' inits to 32
sbr->data[0].e_a[1] = sbr->data[1].e_a[1] = -1;
sbr->data[0].synthesis_filterbank_samples_offset = SBR_SYNTHESIS_BUF_SIZE - (1280 - 128);