| fa3eba16446cc8f2f5e2dfc20d86a49dbd37299e |
30-Aug-2013 |
Jean-Michel Trivi <jmtrivi@google.com> |
Encoder 7.1 support
* AAC-Encoder
- Add 7.1 rear surround and 7.1 front center support to supported encoder
channel modes. Change max channels from 6 to 8 and add 7.1 configuration
to bandwidth and channel mapping functions.
Modified file(s):
libAACenc\include\aacenc_lib.h
libAACenc\src\aacEnc_ram.cpp
libAACenc\src\aacEnc_ram.h
libAACenc\src\aacenc.cpp
libAACenc\src\aacenc.h
libAACenc\src\aacenc_lib.cpp
libAACenc\src\adj_thr.cpp
libAACenc\src\adj_thr.h
libAACenc\src\adj_thr_data.h
libAACenc\src\bandwidth.cpp
libAACenc\src\bitenc.cpp
libAACenc\src\channel_map.cpp
libAACenc\src\interface.h
libAACenc\src\metadata_compressor.cpp
libAACenc\src\psy_main.cpp
libAACenc\src\psy_main.h
libAACenc\src\qc_data.h
libAACenc\src\qc_main.cpp
libAACenc\src\qc_main.h
* SBR-Encoder
- Support up to 7.1 audio channels. Changed max channels from 6 to 8.
Modified file(s):
libSBRenc\include\sbr_encoder.h
libSBRenc\src\sbr.h
libSBRenc\src\sbr_encoder.cpp
libSBRenc\src\sbr_ram.cpp
* Transport-Encoder
- Add 7.1 channel configuration to audio specific config writer in
transport encoder library.
Modified file(s):
libMpegTPEnc\src\tpenc_asc.cpp
libMpegTPEnc\src\version
* SYS-Library
- Add 7.1 channel modes to CHANNEL_MODE description.
Modified file(s):
libSYS\include\FDK_audio.h
libSYS\src\genericStds.cpp
Bug 9428126
Change-Id: Ide53583aa8e03df4537b98db80740dfe0e7a9e0f
br.h
br_encoder.cpp
br_ram.cpp
|
| 3aec97e388e29a1d03f0197b27b893bc6aaf8ac3 |
29-Aug-2013 |
Jean-Michel Trivi <jmtrivi@google.com> |
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
it_sbr.h
nv_est.cpp
h_det.cpp
f_est.cpp
s_main.cpp
br.h
br_def.h
br_encoder.cpp
br_rom.cpp
br_rom.h
brenc_freq_sca.cpp
brenc_freq_sca.h
on_corr.cpp
|
| a84864deb7c36b88f104f3116552d52d1ce64045 |
09-Aug-2013 |
Jean-Michel Trivi <jmtrivi@google.com> |
SBR header period
AAC encoder: Connect SBR and PS header repetition rate with AACENC_HEADER_PERIOD
parameter of the encoder API.
Bug 9428126
Change-Id: Ia1ab965de9eaa2ac229d0c395a337cbd4d20cba1
s_main.cpp
br_encoder.cpp
|
| fc4d7b0e73a87042f87ab847cfbe60e4d2dddf71 |
09-Aug-2013 |
Jean-Michel Trivi <jmtrivi@google.com> |
SBR encoder improvement
SBR encoder: Introduce coupling energy ratio limitation to prevent undesirable SBR band
amplification while decoding.
Bug 9428126
Change-Id: I18a77cd1a178fff7531b490779a29a0df7d993af
nv_est.cpp
br_encoder.cpp
|
| 4f0d97057c5c640b25518358886f8c47da9fc052 |
09-Aug-2013 |
Jean-Michel Trivi <jmtrivi@google.com> |
Disclaimer update, lib version increment
- Update disclaimer in all source files.
- Increment library version in each FDK sub-module.
Bug 9428126
Change-Id: I490b96d4ee472246b01483202b0bb4f1e9c2a5d7
it_sbr.cpp
it_sbr.h
mondata.h
ode_env.cpp
ode_env.h
nv_bit.cpp
nv_bit.h
nv_est.cpp
nv_est.h
ram_gen.cpp
ram_gen.h
nvf_est.cpp
nvf_est.h
h_det.cpp
h_det.h
f_est.cpp
f_est.h
s_bitenc.cpp
s_bitenc.h
s_const.h
s_encode.cpp
s_encode.h
s_main.cpp
s_main.h
esampler.cpp
esampler.h
br.h
br_def.h
br_encoder.cpp
br_misc.cpp
br_misc.h
br_ram.cpp
br_ram.h
br_rom.cpp
br_rom.h
brenc_freq_sca.cpp
brenc_freq_sca.h
on_corr.cpp
on_corr.h
ran_det.cpp
ran_det.h
|
| 381d69840ad3af2259f0b7ef49236f9ee9c76b76 |
09-Sep-2012 |
Jean-Michel Trivi <jmtrivi@google.com> |
Bug fixes in AAC decoder, AAC encoder, FDK library
Latest code drop from Fraunhofer:
* AAC-Decoder
- Expanded AAC-LD/ELD decoder TNS max band tables to avoid wrong data
access for sampling rates <22kHz and >48kHz.
Modified file(s):
libAACdec\src\aacdec_tns.cpp
libAACdec\src\aac_rom.h
libAACdec\src\aac_rom.cpp
- Fixed ELD synthesis QMF filterbank scaling for downsampled SBR.
Modified file(s):
libFDK\src\qmf.cpp
* AAC-Encoder
- Fixed bit rate limiting for lower limit as introduced in the Delivery 2012-05-11.
Modified file(s):
libAACenc\include\aacenc_lib.h
libAACenc\src\aacenc.h
libAACenc\src\aacenc.cpp
libSBRenc\src\sbr_rom.h
libSBRenc\src\sbr_rom.cpp
- Allow negative prediction gain as meaning that there is no coding gain.
Make use of scaleValueSaturate in gauss window calculation.
Modified file(s):
libAACenc\src\aacenc_tns.cpp
- Added energy saturation to prevent overflow in short blocks.
Modified file(s):
libAACenc\src\grp_data.cpp
- Perform scalefactor adaption in case quantized lines are out of valid range.
Modified file(s):
libAACenc\src\quantize.cpp
- Interrupt quantization loop when no spectral data is available.
Adjustments in bitreservoir adaption.
Modified file(s):
libAACenc\src\qc_main.cpp
- Indroduced dynamic scaling in none missing harmonic energy lowering compensation.
Modified file(s):
libSBRenc\src\env_est.cpp
* FDK-Library
- Fixed saturation for negative values in scaleValueSaturate.
Modified file(s):
libFDK\include\scale.h
Change-Id: If830ea65caef6b5554281e4b7a77a8b2e08825ce
nv_est.cpp
br_encoder.cpp
br_rom.cpp
br_rom.h
|
| 2228e360595641dd906bf1773307f43d304f5b2e |
11-Jul-2012 |
The Android Open Source Project <initial-contribution@android.com> |
Snapshot 2bda038c163298531d47394bc2c09e1409c5d0db
Change-Id: If584e579464f28b97d50e51fc76ba654a5536c54
it_sbr.cpp
it_sbr.h
mondata.h
ode_env.cpp
ode_env.h
nv_bit.cpp
nv_bit.h
nv_est.cpp
nv_est.h
ram_gen.cpp
ram_gen.h
nvf_est.cpp
nvf_est.h
h_det.cpp
h_det.h
f_est.cpp
f_est.h
s_bitenc.cpp
s_bitenc.h
s_const.h
s_encode.cpp
s_encode.h
s_main.cpp
s_main.h
esampler.cpp
esampler.h
br.h
br_def.h
br_encoder.cpp
br_misc.cpp
br_misc.h
br_ram.cpp
br_ram.h
br_rom.cpp
br_rom.h
brenc_freq_sca.cpp
brenc_freq_sca.h
on_corr.cpp
on_corr.h
ran_det.cpp
ran_det.h
|