Commit message (Collapse) | Author | Age | Files | Lines | |
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* | New SBC analysis filter function to replace current broken code | Siarhei Siamashka | 2008-12-29 | 3 | -244/+323 |
| | | | | | | | | | | | | | | This code is heavily based on the patch submitted by Jaska Uimonen. Additional changes include preserving extra bits in the output of filter function for better precision, support for both 16-bit and 32-bit fixed point implementation. Sign of some table values was changed in order to preserve a regular code structure and have multiply-accumulate oparations only. No additional optimizations were applied as this code is intended to be some kind of "reference" implementation. Platform specific optimizations may require different tricks and can be branched off from this implementation. Some extra information about this code can be found in linux-bluetooth mailing list archive for December 2008. | ||||
* | Fixed subbands selection for joint-stereo in SBC encoder | Siarhei Siamashka | 2008-12-29 | 1 | -4/+4 |
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* | Add more options to control encoding methods | Marcel Holtmann | 2008-12-23 | 1 | -16/+51 |
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* | Don't decode a frame if it is too small | Marcel Holtmann | 2008-12-23 | 1 | -0/+3 |
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* | Remove unnecessary code and fix a coding style. | Luiz Augusto von Dentz | 2008-12-18 | 1 | -14/+11 |
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* | Fix for overflow bug in SBC quantization code | Siarhei Siamashka | 2008-12-18 | 1 | -1/+1 |
| | | | | | | | The result of multiplication does not always fit into 32-bits. Using 64-bit calculations helps to avoid overflows and sound quality problems in encoded audio. Overflows are more likely to show up when using high values for bitpool setting. | ||||
* | Bitstream writing optimization for SBC encoder | Siarhei Siamashka | 2008-12-18 | 1 | -28/+37 |
| | | | | | SBC encoder performance improvement up to 1.5x for ARM11 and almost twice faster for Intel Core2 in some cases. | ||||
* | Add more options to SBC encoder and decoder | Marcel Holtmann | 2008-11-01 | 2 | -13/+48 |
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* | Fix SBC gain mismatch | Marcel Holtmann | 2008-10-31 | 2 | -4/+5 |
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* | Fix SBC decoding handling | Marcel Holtmann | 2008-10-30 | 1 | -4/+4 |
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* | Let the decoder write Sun/NeXT audio S16_BE files | Marcel Holtmann | 2008-10-26 | 4 | -33/+76 |
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* | Add bitpool option to encoder | Marcel Holtmann | 2008-10-26 | 1 | -5/+13 |
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* | Fix missing encoding of last frame | Marcel Holtmann | 2008-10-26 | 2 | -5/+4 |
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* | Avoid direct inclusion of malloc.h | Marcel Holtmann | 2008-06-11 | 1 | -1/+0 |
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* | rollback an unintended commit on Makefile.am | Brad Midgley | 2008-03-08 | 1 | -1/+2 |
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* | Cidorvan found another place where the spec had us saving a bunch of values | Brad Midgley | 2008-03-08 | 2 | -26/+14 |
| | | | | that were used immediately. Just compute and use instead of saving. In the decoder. | ||||
* | decoder optimization, now using nested multiply calls | Brad Midgley | 2008-03-06 | 1 | -48/+51 |
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* | Enable gcc -O3 optimizations for SBC | Marcel Holtmann | 2008-03-05 | 1 | -0/+2 |
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* | Cidorvan's 4-subband overflow fixes | Brad Midgley | 2008-02-29 | 2 | -7/+7 |
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* | Replace 64bits multiplies by 32bits to further optimize the code | Johan Hedberg | 2008-02-22 | 2 | -35/+29 |
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* | Introduce sbc new API. | Luiz Augusto von Dentz | 2008-02-19 | 4 | -171/+247 |
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* | fix for decoder noise at high bitpools | Brad Midgley | 2008-02-15 | 2 | -18/+10 |
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* | Update copyright information | Marcel Holtmann | 2008-02-02 | 8 | -14/+13 |
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* | arm assembly version of MULA | Brad Midgley | 2008-01-30 | 1 | -0/+10 |
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* | change MUL/MULA semantics | Brad Midgley | 2008-01-30 | 2 | -170/+173 |
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* | remove unused macros | Brad Midgley | 2008-01-30 | 1 | -3/+0 |
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* | fix off-by-one in sbcdec | Brad Midgley | 2008-01-30 | 1 | -2/+2 |
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* | one more .X 32-bitism | Brad Midgley | 2008-01-29 | 1 | -1/+1 |
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* | revert 16-bit state.X change (bad on arm) | Brad Midgley | 2008-01-29 | 1 | -4/+4 |
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* | revert arm conditional code | Brad Midgley | 2008-01-28 | 2 | -20/+1 |
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* | change function signature so the arm optimization will work | Brad Midgley | 2008-01-28 | 1 | -1/+12 |
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* | arm-assembly from cidoca for MULA | Brad Midgley | 2008-01-28 | 1 | -1/+9 |
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* | remove 16x16 mult optimization--gcc actually generates more costly code | Brad Midgley | 2008-01-28 | 3 | -103/+101 |
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* | Whitespace cleanup | Johan Hedberg | 2008-01-28 | 1 | -1/+1 |
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* | avoid an (unlikely) overflow | Brad Midgley | 2008-01-27 | 1 | -2/+2 |
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* | get 32-bit products whenever we're sure the multiplicands are both 16 bits | Brad Midgley | 2008-01-27 | 2 | -95/+97 |
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* | shorten the encoder tables to 16 bits, take out mula32/mul32 for now for ↵ | Brad Midgley | 2008-01-26 | 3 | -77/+75 |
| | | | | simplicity | ||||
* | pcm input array should be 16 not 32 bits | Brad Midgley | 2008-01-26 | 1 | -75/+75 |
| | | | | use 32-bit product when multiplying two values limited to 16 bits each | ||||
* | update copyrights | Brad Midgley | 2008-01-19 | 2 | -2/+2 |
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* | codec has been using 32-bit (MUL) and 64-bit (MULA) multiplies | Brad Midgley | 2008-01-17 | 1 | -1/+3 |
| | | | | | straighten things out so MUL/MULA are both 64 bit create MUL32/MULA32 for anyone who really needs a 32-bit product | ||||
* | coding style | Brad Midgley | 2008-01-14 | 1 | -7/+4 |
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* | comment typo | Brad Midgley | 2008-01-14 | 1 | -1/+1 |
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* | fix initialization | Brad Midgley | 2008-01-14 | 1 | -1/+4 |
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* | take out memmove in sbc analyze | Brad Midgley | 2008-01-14 | 1 | -21/+29 |
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* | tweak to the memmove for 4 subbands | Brad Midgley | 2008-01-11 | 1 | -1/+1 |
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* | optimizations: use memmove instead of a loop, unroll short loop | Brad Midgley | 2008-01-08 | 1 | -11/+22 |
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* | smooth out last shift-in-place wrinkle | Brad Midgley | 2007-12-14 | 1 | -11/+2 |
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* | push in-place-shift optimization up into scalefactors section | Brad Midgley | 2007-12-14 | 1 | -7/+13 |
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* | shift-in-place opt is back in, with a bugfix for the 4-subband case | Brad Midgley | 2007-12-14 | 1 | -7/+15 |
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* | coding style on ?: | Brad Midgley | 2007-12-14 | 1 | -1/+1 |
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