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* AAC-Decoder
- Improved PCE handling for saver (re-)configuration and metadata processing.
Modified file(s):
libAACdec/src/aacdecoder.cpp
libAACdec/src/aacdecoder_lib.cpp
- Transport layer changes (config found) -> to be evaluated.
Modified file(s):
libMpegTPDec/include/tpdec_lib.h
libMpegTPDec/src/tpdec_latm.h
libMpegTPDec/src/version
libMpegTPDec/src/tpdec_asc.cpp
libMpegTPDec/src/tpdec_lib.cpp
libMpegTPDec/src/tpdec_adts.cpp
libMpegTPDec/src/tpdec_latm.cpp
libSYS/include/FDK_audio.h
libSYS/src/genericStds.cpp
- Enable concealment state machine to skip states if the corresponding
parameter is set to zero.
Modified file(s):
libAACdec/src/conceal.cpp
- Add some more sanity checks to avoid segmentation faults especially when
setting dynamic API params.
Modified file(s):
libAACdec/src/aacdecoder_lib.cpp
- Fix to do a fail-safe initialization of IMDCT for all channels even with
corrupt streams.
Modified file(s):
libAACdec/src/aacdecoder.cpp
- HCR decoder fix (remove warnings).
Modified file(s):
libAACdec/src/block.cpp
- Fix border calculation in SBR decoder's LPP transposer patch determination.
Modified file(s):
libSBRdec/src/env_dec.cpp
libSBRdec/src/sbrdecoder.cpp
libSBRdec/src/lpp_tran.cpp
Bug 9428126
Change-Id: Ib415b702b88a7ec8e9a55789d79cafb39296d26b
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* AAC-Decoder
- Only set the program reference level if it has changed compared to the
previous value. This allows setting it on a frame-by-frame basis without
limitations.
Modified file(s):
libAACdec/src/aacdec_drc.cpp
libAACdec/src/aacdec_drc.h
- Add expiry counter for the program reference level.
Modified file(s):
libAACdec/src/aacdec_drc.cpp
libAACdec/src/aacdec_drc_types.h
- Disable scaling of light compression gain values when heavy compression
mode is enabled to have the full light compression as fallback if no heavy
values are available.
Modified file(s):
libAACdec/src/aacdec_drc.cpp
libAACdec/src/aacdecoder_lib.cpp
libAACdec/src/aacdec_drc_types.h
- Change initialization and channel disabling to improve start-up behavior in
SBR decoder.
Modified file(s):
libSBRdec/src/sbrdecoder.cpp
libSBRdec/src/sbrdec_drc.cpp
Bug 9428126
Change-Id: Ie1d3949c53910506da2547d32fe3bf6ee7606eb4
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AAC decoder: Allow decoding of Parametric Stereo (AOT 29) bitstreams
with invalid channel config 2.
Bug 9428126
Change-Id: I1e8b801dfc0e6b1706421342d4985512e83f0dbe
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Add missing support for downsampled SBR in libFDK
Bug 9428126
Change-Id: Idb732f8d31a115d36dd4b22916599db7fab98cae
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- Update disclaimer in all source files.
- Increment library version in each FDK sub-module.
Bug 9428126
Change-Id: I490b96d4ee472246b01483202b0bb4f1e9c2a5d7
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From Fraunhofer:
* AAC Decoder
- Stick to the written MPEG standard instead of the MPEG reference software
in terms of reference level normalization. Always set the program reference
level equal to the target level. This disables level normalization using a
default level for streams without embedded metadata.
Modified file(s):
libAACdec\src\aacdec_drc.cpp
- Fix downmix channel assignment when using a WAV output channel ordering.
Modified file(s):
libPCMutils\src\pcmutils_lib.cpp
- Retain signal accuracy and prevent LSB alteration when no level correction
needs to be done.
Modified file(s):
libAACdec\src\aacdec_drc.h
libAACdec\src\aacdec_drc.cpp
libSBRdec\src\sbrdecoder.cpp
libSBRdec\src\sbr_dec.cpp
libSBRdec\src\sbrdec_drc.cpp
- Align metadata processing with reference implementation.
Modified file(s):
libAACdec\src\aacdec_drc.h
libAACdec\src\aacdecoder.cpp
* AAC-Encoder
- Prevent potential overflow in energy calculation after TNS processing.
Modified file(s):
libAACenc\src\band_nrg.cpp
- Added saturation for number of relevant lines which are used in pe
calculation.
Modified file(s):
libAACenc\src\line_pe.cpp
- Removed obsolete files.
Deleded file(s):
libAACenc\src\tns_param.h
libAACenc\src\tns_param.cpp
* FDK-Library
- Added x86 Count Leading Zeros intrinsic.
Modified file(s):
libFDK\include\clz.h
Added file(s):
libFDK\include\x86\clz_x86.h
- Fixed compilation for MIPS GCC-4.4 and higher.
Modified file(s):
libFDK\include\mips\cplx_mul.h
libFDK\include\mips\fixmul_mips.h
Change-Id: I4be65f07f88d412224c7fddc3f054e8f451176cc
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Addresses bug 7140347.
When flushing the decoder, you need to make sure to zero out any
lingering spectral coefficients as well as zero out the overlap buffer
state after decoding the final access unit. Zeroing out the spec
coefficients *before* you decode the last block, however, seems like a
mistake. If the final block contains any useful information for the
stream, then you end up outputting the overlap portion of the second
to last decoded block combined with zeros. Because of the shape of
the second to last block's windows, this results in what appears to be
a fade out, but actually is a zero'ed out final block.
Signed-off-by: John Grossman <johngro@google.com>
Change-Id: I0fab9ee1a5899811d5519a91dc05631e9bf4963c
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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
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Change-Id: If584e579464f28b97d50e51fc76ba654a5536c54
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