This keeps internal state variable accurate for LFEs and any other
elements which lack SBR data payloads.
---
libavcodec/aacsbr.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c
index 81b0b4c..d38debc 100644
--- a/libavcodec/aacsbr.c
+++ b/libavcodec/aacsbr.c
@@ -129,6 +129,8 @@ av_cold void ff_aac_sbr_init(void)
av_cold void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr)
{
float mdct_scale;
+ sbr->sample_rate = 2 * ac->m4ac.sample_rate; //TODO use the nominal sample
rate for arbitrary sample rate support
+ ac->m4ac.ext_sample_rate = 2 * ac->m4ac.sample_rate;
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);
--
1.7.3.1
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