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| * Allow to configure atracdenc to use float instead of doubleDaniil Cherednik2024-07-0911-34/+100
| | | | | | | | | | | | | | | | | | The default is double for hystorical reason. Actually no any reason to use double precision float point calculation for all processing. AT3P encoding will use float except places were we really need double precision. So this default will be changed to float in near future and this option will be removed.
| * [AT3P] Improve accuracy of PQFDaniil Cherednik2024-07-082-4/+4
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| * Fix missed include in bitstream.hDaniil Cherednik2024-07-071-1/+2
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* | Add missed real fft implementation files.Daniil Cherednik2024-07-072-0/+207
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* | Add Generalized Harmonic Analysis library in to the branchDaniil Cherednik2024-07-062-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | Why we start with GHA: * GHA is one of the most computation intencive part of the encoder. Probably we need to implement multuthreading processing here to achive good perfomance. If so it is better to make MT frendly design at the begining of development. * GHA is the most interesting part of AT3P. * GHA is the one of the first processing step. * We already have libgha (https://github.com/dcherednik/libgha) library which should be tested and used in real application )))
* | Merge branch 'master' into at3plus-devDaniil Cherednik2024-07-065-3/+3
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| * [refactoring] move fft in to library directoryDaniil Cherednik2024-07-025-3/+3
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* | [AT3P] Introduce at3p development branchDaniil Cherednik2024-06-268-7/+265
|/ | | | - Simpe code just to produce correct at3p zero frame
* [refactoring] move some libraries in to library directoryDaniil Cherednik2024-06-1724-690/+19
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* Fix build. Add missed header fileDaniil Cherednik2024-06-161-0/+31
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* [AT3P] Use fast DCT-IV calculation for PQFDaniil Cherednik2024-06-163-19/+45
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* Use well known analyze/synthesis naming instead of split/merge4BDA26H33GTZ4HYUMIO2024-06-157-19/+19
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* [AT3P] PQF implementationDaniil Cherednik2024-06-1411-888/+406
| | | | M=16 perfect reconstruction polyphase quadrature analysis filter bank
* Simple ipqf test and ref filesDaniil Cherednik2024-06-146-1/+324
| | | | ref files contains samples just before and after ipqf
* bitstream.cpp: Add missing <cstdint> headerSatoshi Fuuki2023-12-161-1/+1
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* Fix CMake build file generation errorSatoshi Fuuki2023-12-161-4/+5
| | | Fix "check_compiler_flag: CXX: needs to be enabled before use."
* Fix unused variable warnings.Daniil Cherednik2023-11-183-44/+50
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* Get rid of gtest files. Use system package if available.Daniil Cherednik2023-11-181-6/+0
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* Simplify cmake. Fix warnings.Daniil Cherednik2023-10-245-24/+26
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* Add install commandDaniil Cherednik2023-09-131-1/+1
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* Fix warningsDaniil Cherednik2023-09-104-8/+5
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* Some ux improvementsDaniil Cherednik2023-09-085-34/+74
| | | | | - help page - remove noise messages
* Add support for writing .at3/.wav files with ATRAC3 (#30)Thomas Perl2022-05-085-2/+213
| | | | | | | * Add support for writing .at3/.wav files with ATRAC3 * Check file size limit * AT3/WAV export: Add big endian support, force packed structs
* Complain loudly about unhandled argumentsThomas Perl2022-05-041-0/+5
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* Fix CodeQL (Multiplication result converted to larger type) warningDaniil Cherednik2022-02-222-10/+10
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* Fix some CodeQL warningsDaniil Cherednik2022-02-212-13/+25
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* Support for RealMedia output file format.ghost2022-02-206-16/+340
| | | | ATRAC3 is one of codecs used for RealMedia player.
* Fix incorrect exception catch.Daniil Cherednik2021-10-101-2/+2
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* [refactoring] Split CompressedIO interface for Read and Write partDaniil Cherednik2021-08-2813-149/+190
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* Fix range to search proper bit allocationDaniil Cherednik2020-12-071-3/+3
| | | | In some cases we have quite small target number of bits so we unable to fit without reducing BFU number. But current algorithm starts reduce BFU only after succeful (from bit numbet perspctive) allocation. Which mean we must create zero allocation and only after that we restart allocation with reduced bfu number. The issue was the range to shift SNR was not enough to create zerro allocation in some cases.
* [atrac3] Simple adaptive MS bitrate shiftDaniil Cherednik2020-07-085-10/+61
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* Add atrac3_lp4 cmd alias0.0.3Daniil Cherednik2020-03-281-2/+5
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* Fix linker errorDaniil Cherednik2020-03-271-0/+5
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* Fix project compilationDaniil Cherednik2020-03-272-2/+2
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* [atrac3] 0.83/0.16 M/S bitrate separation for joint stereo codingDaniil Cherednik2020-01-205-28/+79
| | | | support of encoding mono source for joint stereo mode
* [atrac3] Initial joint stereo mode support.Daniil Cherednik2020-01-128-16/+50
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* UT refactoringDaniil Cherednik2020-01-043-19/+23
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* Fix 64bit MSVS buildDaniil Cherednik2020-01-041-1/+1
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* Fast float to nearest int round under 32bit MSVS buildDaniil Cherednik2020-01-041-3/+21
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* Fix compilation on POSIX platforms.0.0.2Daniil Cherednik2020-01-014-5/+5
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* Initiall support of stdin reading for windowsDaniil Cherednik2020-01-019-33/+393
| | | | Expected au(snd) format, 44100hz, 16bit, stereo or mono
* Stop encoding if case of pipe input and no writerDaniil Cherednik2019-12-092-26/+16
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* Implementation of atrac3plus analysis pqfDaniil Cherednik2019-08-238-0/+919
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* Fix some VS compilation warnings0.0.1Daniil Cherednik2019-05-1712-59/+80
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* Support for MS Windows platformDaniil Cherednik2019-05-1559-140/+1485
| | | | | | - VS build (2017 tested) - Media Foundation Framework support to read/write pcm data (instead of libsndfile)
* [liboma] Write support for ATRAC3PLUS headerDaniil Cherednik2018-12-132-2/+28
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* [atrac3] Remove tonal extraction codeDaniil Cherednik2018-12-053-90/+2
| | | | | | | Current implementation doesn't add notisible quality improvements, but often adds artifacts due to tonal bit allocation penalty. Proper implementation must use tonal component only if penalty of tonal allocation less than gain generic bit allocation.
* Remove extra copy/allocationDaniil Cherednik2018-07-282-1/+2
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* Use lrint() + fesetround(FE_TONEAREST) instead of round() - a bit fasterDaniil Cherednik2018-07-284-4/+8
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* Scale float values to (-1; 1) for internal processingDaniil Cherednik2018-07-047-15/+17
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