From ad51833a1a0a31ea39fa5542c1ec3851feb6630c Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 23 Sep 2011 22:31:57 +0200
Subject: [PATCH] aacsbr: prevent multiple ff_aac_sbr_ctx_init()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/aacsbr.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c
index 10b8daf2801..a2138271323 100644
--- a/libavcodec/aacsbr.c
+++ b/libavcodec/aacsbr.c
@@ -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);
--
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