diff options
Diffstat (limited to 'libFDK/include')
| -rw-r--r-- | libFDK/include/FDK_tools_rom.h | 3 | ||||
| -rw-r--r-- | libFDK/include/qmf.h | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/libFDK/include/FDK_tools_rom.h b/libFDK/include/FDK_tools_rom.h index 2079c5b..9361c81 100644 --- a/libFDK/include/FDK_tools_rom.h +++ b/libFDK/include/FDK_tools_rom.h @@ -171,6 +171,9 @@ extern const FIXP_WTP sin_twiddle_L64[]; extern const FIXP_QTW qmf_phaseshift_cos32[32]; extern const FIXP_QTW qmf_phaseshift_sin32[32]; +/* Adapted analysis post-twiddles for down-sampled HQ SBR */ +extern const FIXP_QTW qmf_phaseshift_cos_downsamp32[32]; +extern const FIXP_QTW qmf_phaseshift_sin_downsamp32[32]; extern const FIXP_QTW qmf_phaseshift_cos64[64]; extern const FIXP_QTW qmf_phaseshift_sin64[64]; diff --git a/libFDK/include/qmf.h b/libFDK/include/qmf.h index 8777960..be69477 100644 --- a/libFDK/include/qmf.h +++ b/libFDK/include/qmf.h @@ -137,6 +137,8 @@ amm-info@iis.fraunhofer.de #define QMF_FLAG_MPSLDFB 16 /* Complex Low Delay Filter Bank used in MPEG Surround Encoder allows a optimized calculation of the modulation in qmfForwardModulationHQ() */ #define QMF_FLAG_MPSLDFB_OPTIMIZE_MODULATION 32 +/* Flag to indicate HE-AAC down-sampled SBR mode (decoder) -> adapt analysis post twiddling */ +#define QMF_FLAG_DOWNSAMPLED 64 typedef struct |