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authorJean-Michel Trivi <jmtrivi@google.com>2013-08-29 12:24:04 -0700
committerJean-Michel Trivi <jmtrivi@google.com>2013-08-29 12:24:04 -0700
commit3aec97e388e29a1d03f0197b27b893bc6aaf8ac3 (patch)
tree0cbc01e83d71aec25704fd9a6dd80b339d06c27a /libAACenc/src/aacenc.h
parent7ad97579f8ccb843afdb5b184c4b209253839fe3 (diff)
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Encoder downsampled SBR
* AAC-Encoder - Introduce optional AACENC_SBR_RATIO encoder API parameter to configure dualrate or downsampled SBR explicitely. ELD makes use of downsampled SBR in default configuration. Modified file(s): documentation\aacEncoder.pdf libAACenc\include\aacenc_lib.h libAACenc\src\aacenc.h libAACenc\src\aacenc_lib.cpp * SBR-Encoder - Implement downsampled SBR feature. - Revise sbr tuning parameter selection. Modified file(s): libSBRenc\include\sbr_encoder.h libSBRenc\src\bit_sbr.h libSBRenc\src\env_est.cpp libSBRenc\src\mh_det.cpp libSBRenc\src\nf_est.cpp libSBRenc\src\ps_main.cpp libSBRenc\src\sbr.h libSBRenc\src\sbr_def.h libSBRenc\src\sbr_encoder.cpp libSBRenc\src\sbr_rom.cpp libSBRenc\src\sbr_rom.h libSBRenc\src\sbrenc_freq_sca.cpp libSBRenc\src\sbrenc_freq_sca.h libSBRenc\src\ton_corr.cpp Bug 9428126 Change-Id: I731720a10829272acaaf70b84525df00a09ff3d2
Diffstat (limited to 'libAACenc/src/aacenc.h')
-rw-r--r--libAACenc/src/aacenc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libAACenc/src/aacenc.h b/libAACenc/src/aacenc.h
index c4e1ecb..f07bc17 100644
--- a/libAACenc/src/aacenc.h
+++ b/libAACenc/src/aacenc.h
@@ -204,6 +204,8 @@ struct AACENC_CONFIG {
INT maxBitsPerFrame; /* maximum number of bits in AU */
INT bitreservoir; /* size of bitreservoir */
+ UINT sbrRatio; /* sbr sampling rate ratio: dual- or single-rate */
+
UCHAR useTns; /* flag: use temporal noise shaping */
UCHAR usePns; /* flag: use perceptual noise substitution */
UCHAR useIS; /* flag: use intensity coding */