Author: alexc
Date: Fri Nov 20 21:28:59 2009
New Revision: 5453
Log:
Run SBR in pure upsampling mode until we get an SBR header.
Modified:
aac-sbr/aacsbr.c
aac-sbr/aacsbr.h
Modified: aac-sbr/aacsbr.c
==============================================================================
--- aac-sbr/aacsbr.c Fri Nov 20 21:28:57 2009 (r5452)
+++ aac-sbr/aacsbr.c Fri Nov 20 21:28:59 2009 (r5453)
@@ -80,6 +80,8 @@ static unsigned int sbr_header(SpectralB
uint8_t bs_header_extra_1;
uint8_t bs_header_extra_2;
+ sbr->start = 1;
+
// Save last spectrum parameters variables to compare to new ones
memcpy(&sbr->spectrum_params[0], &sbr->spectrum_params[1],
sizeof(SpectrumParameters));
@@ -805,6 +807,7 @@ int ff_decode_sbr_extension(AACContext *
if (sbr->reset)
sbr_reset(ac, sbr);
+ if (sbr->start)
num_sbr_bits += sbr_data(ac, sbr, gb, id_aac);
num_align_bits = ((cnt << 3) - 4 - num_sbr_bits) & 7;
Modified: aac-sbr/aacsbr.h
==============================================================================
--- aac-sbr/aacsbr.h Fri Nov 20 21:28:57 2009 (r5452)
+++ aac-sbr/aacsbr.h Fri Nov 20 21:28:59 2009 (r5453)
@@ -106,6 +106,7 @@ typedef struct {
* Spectral Band Replication
*/
typedef struct {
+ uint8_t start;
// SBR header bitstream variables
uint8_t bs_amp_res;
SpectrumParameters spectrum_params[2];
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