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| author | Jean-Michel Trivi <jmtrivi@google.com> | 2013-08-27 15:57:28 -0700 |
|---|---|---|
| committer | Jean-Michel Trivi <jmtrivi@google.com> | 2013-08-27 15:57:28 -0700 |
| commit | 3a0a695565d1d360f9a82173469c8ef858bc08a0 (patch) | |
| tree | 11ca521b5ca3b674f02a605d0fc08d11624b205f /libFDK/include | |
| parent | 16c472c201c197d3660334df5952eb4084897f9f (diff) | |
| download | fdk-aac-3a0a695565d1d360f9a82173469c8ef858bc08a0.tar.gz fdk-aac-3a0a695565d1d360f9a82173469c8ef858bc08a0.tar.bz2 fdk-aac-3a0a695565d1d360f9a82173469c8ef858bc08a0.zip | |
FDK update for downsampled SBR
Add missing support for downsampled SBR in libFDK
Bug 9428126
Change-Id: Idb732f8d31a115d36dd4b22916599db7fab98cae
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 |