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* SBR-Encoder
- Prevent noise level overflow in noise floor detection.
- Saturate threshold calculation in transient detection.
Modified file(s):
libSBRenc/src/nf_est.cpp
libSBRenc/src/sbr_encoder.cpp
libSBRenc/src/tran_det.cpp
* AAC-Encoder
- Expand input data range of GetInvInt() function. There was an encoder
assert observed in non-default bitrate configuration.
Modified file(s):
libAACenc/src/aacenc_lib.cpp
libAACenc/src/intensity.cpp
libFDK/include/fixpoint_math.h
libFDK/src/FDK_core.cpp
libFDK/src/FDK_tools_rom.cpp
- Make sure that the encoder is stable with regard to very low audio bandwidth
confguration parameter value.
- Fix lowdelay blending for low audio bandwidth.
Modified file(s):
libAACenc/src/aacenc.cpp
libAACenc/src/aacenc_lib.cpp
libAACenc/src/adj_thr.cpp
libAACenc/src/psy_configuration.cpp
libAACenc/src/psy_main.cpp
- Disable pseudo surround flag in case metadata matrix mixdown index is
present in program config element.
Modified file(s):
libAACenc/src/aacenc_lib.cpp
- Enable variable bitrate mode in encoder api.
- Add AACENC_PEAK_BITRATE parameter to encoder api.
- Add AACENC_AUDIOMUXVER parameter to encoder api.
Modified file(s):
libAACenc/include/aacenc_lib.h
libAACenc/src/aacenc.cpp
libAACenc/src/aacenc.h
libAACenc/src/aacenc_lib.cpp
libAACenc/src/qc_main.cpp
libMpegTPEnc/src/tpenc_latm.cpp
libMpegTPEnc/src/version
* FDK-Sources
- Code clean up. Remove unneeded pseudo audio object types and transport types.
Modified file(s):
libAACdec/src/aacdecoder.cpp
libAACdec/src/aacdecoder_lib.cpp
libAACenc/include/aacenc_lib.h
libAACenc/src/aacenc.cpp
libAACenc/src/aacenc_lib.cpp
libFDK/src/FDK_tools_rom.cpp
libMpegTPDec/src/tpdec_lib.cpp
libMpegTPDec/src/version
libMpegTPEnc/src/tpenc_latm.cpp
libMpegTPEnc/src/version
libSBRdec/src/sbrdecoder.cpp
libSBRenc/src/sbr_encoder.cpp
libSYS/include/FDK_audio.h
libSYS/src/genericStds.cpp
Change-Id: I807a53cb7f48c9ee7563cb8da1d0c52221576ca6
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Bug 8493170
Change-Id: I64d19a8a8059c5a96386b1eaac297fd2469515f8
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* 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
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* AAC-Encoder
- Revise bit distribution for lowdelay configuration to improve encoder
audio quality.
- Adjust lowdelay bitreservoir for low bitreservoir configuration.
Modified file(s):
libAACenc\src\aacEnc_ram.cpp
libAACenc\src\aacenc.cpp
libAACenc\src\aacenc_lib.cpp
libAACenc\src\aacenc_tns.cpp
libAACenc\src\adj_thr.cpp
libAACenc\src\adj_thr.h
libAACenc\src\block_switch.cpp
libAACenc\src\block_switch.h
libAACenc\src\interface.h
libAACenc\src\psy_main.cpp
libAACenc\src\qc_data.h
libAACenc\src\qc_main.cpp
* FDK-Library
- Increase the accuracy in CalcInvLdData() calculation which improves the
encoder audio quality.
Modified file(s):
libFDK\src\fixpoint_math.cpp
Bug 9428126
Change-Id: I302d7f4c3aeccf79e1b85f20e18a31e6e2b10544
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* AAC-Encoder
- Remove source snippets related to unsupported frame length of 960.
- Adjust minBits initialization for disabled VBR configuration.
Modified file(s):
libAACenc/src/aacenc.h
libAACenc/src/aacenc_lib.cpp
libAACenc/src/aacenc_tns.cpp
libAACenc/src/bandwidth.cpp
libAACenc/src/psy_const.h
libAACenc/src/transform.h
- Revise encoder parameter restrictions: "Error Resilient(ER) AAC Low Complexity"
is not supported. Where the AAC part of the FDK encoder threw an
initialization error, now the aacEncoder_SetParam() returns an error
before initialization if the application tries to configure this
audio object type.
Modified file(s):
libAACenc/src/aacenc_lib.cpp
* SYS-Library
- Portability fix for Mingw32.
Modified file(s):
libSYS/include/machine_type.h
- Minor changes.
Modified file(s):
libSYS/include/wav_file.h
libSYS/src/wav_file.cpp
libSYS/src/cmdl_parser.cpp
libSYS/src/genericStds.cpp
Bug 9428126
Change-Id: I9fa44923d34f033d0dc607f2b85abacb8a85eb61
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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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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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