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2c733067
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/17 12:22
isolated the folding part of the code that's common in vq.c
7028d62f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/10 19:06
Do not encode the short-window bit when not applicable.
bd7de0a7
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/06 06:57
cleaned up transient_analysis() and replaced the algorithm with a simpler one
f4578196
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/04 12:47
fixed-point: conversion of pre-echo avoidance now complete.
0ceccb2d
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/03 16:41
fixed-point: more work on the time window (almost done)
528f4b86
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/28 23:46
More fixed-point work on the time window -- including conversion of the gain
9375aa4f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/27 03:57
Cleaned up the pre-echo avoidance code so it works when compiled as fixed-point
16ca18b9
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/18 19:44
Automatically choosing the overlap based on the frame size.
12b22484
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/16 10:13
Implemented two pre-echo avoidance techniques: time-domain pre-emphasis and
b0c153b1
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/11 14:05
Doing the cwrs split in dimensions should save a few bits.
f892d5f6
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/10 19:46
Turns out maxK and maxM were also inverted in fits_in64()
679083f4
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/10 13:23
Implemented split-cwrs for very large codebooks (>64 bits), but still getting
5aff7c04
– Jean-Marc Valin <
[email protected]>
authored
on 2008/06/10 12:25
Implemented a cleaner way to detect whether CWRS codebooks fit in 32 or 64 bits
13294b54
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/30 12:07
Adjusted stereo bit allocation to be higher than mono for the same alloc line
4c6ee567
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/27 18:17
Preventing encoder-decoder mismatch when energy values are too large to be
987921a0
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/26 19:46
fixed the skipping of the zeros (skip the zeros instead of the good samples!)
bf2d648b
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/23 12:57
Implemented intensity stereo, which required changes all over the place
fe0b8e8d
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/23 09:35
infrastructure changes for upcoming stereo improvements
21f26661
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/22 12:49
Preventing some encode/decoder mismatch situations at low bit-rate. Also, some
b9da9e45
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/15 16:21
Some code for packet loss and bit error simulation
ad637190
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/07 09:44
Implemented rate-dependant allocation for the fine energy quantisation.
827f9317
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/06 19:21
Packing the pitch parameters first to improve robustness to bit errors with
2de66199
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/05 12:05
Disabled pulse spreading until I can show it actually helps
2dc4b2d9
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/05 11:43
Slightly less arbitrary gains for intra prediction.
9a8bac01
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/05 08:02
Using only a sign for the intra prediction instead of using up to 5 bits for
24c9cdac
– Jean-Marc Valin <
[email protected]>
authored
on 2008/05/02 06:34
Fixed a bug in the PLC and added code to estimate the pitch from the synthesis
a1bb9c70
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/28 13:30
Error detection in uint decoding (can no longer return an int that's out
47c248a5
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/26 04:16
Added STDIN_TUNING to make it easier to tune CELT
cb1cf2f1
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/25 18:39
Brought the mdct test-case with the recent changes to the mdct semantic
ef100274
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/24 04:29
SHORTCUTS now disables the encoder's de-emphasis (i.e. can't check encoder
4ce9205f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/23 09:42
Optimisation: caching the divisions used in the Laplace encoder.
e488a107
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/23 07:57
removed two shifts from the pitch estimation inner loop
3ccf3a56
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/22 13:08
Reverted to the old MDCT behaviour of only doing down-scaling in the FFT.
8ddd7f40
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/22 09:37
mdct_backward now does the WOLA, so there isn't much left in compute_inv_mdcts
4989c121
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/22 08:18
Moved the windowing from compute_inv_mdcts() to mdct_backward()
447e5b8f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/22 06:13
Separated the pre-rotate from the window+shuffling and further simplified
30e1b4d3
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/21 20:10
Moved the windowing operation from compute_mdcts() to mdct_forward() in an
ba11d783
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/21 17:59
Passing the mode to the intra prediction functions so the single-channel case
431e4646
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/21 09:54
Making stack push a tiny bit clearer to the compiler -- don't think it really
945d0df7
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/21 09:41
s/B/C/ in the intra stuff to have the same notation as everywhere else
50bf8b01
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/21 08:14
Removing some unnecessary initialisations to zero.
d7291d24
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/21 03:53
Further simplifications to comb2pulses() to remove all conditional branches.
7aa9d8c7
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/20 20:04
Saved some memory by reducing the size of some arrays to only what's needed.
62290065
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/20 18:16
Better indexing of pre/de-emphasis in celt_{en|de}code().
1a3ed79c
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/20 16:39
Saved two copies when computing MDCTs of mono signals
bdb58836
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/20 13:42
more use of CELT_COPY in celt_encode(). Also fixed a stack size bug for stereo
0bc5f7fc
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/20 13:16
This both reverts 3fe0db172c334b4fc3fc773cb08d96867402b532 that caused
70720a37
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/19 17:39
added a shortcut (SHORTCUT) to skip the spreading function in the pitch search
f11d6f49
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 19:13
optimisation: giving more hints to the compiler about the sizes in
3fe0db17
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 17:00
removed unneeded variable shifts from alg_quant()
784959e8
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 15:35
separated the two passes from interp_bits2pulses()
05778451
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 15:34
optimisation: removed the shifts from the vq_index() inner loop
7adca0e6
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 13:54
optimisation: better indexing/looping in vq_index()
f7cec83c
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 13:29
pseudo-stack no longer checks on every function entry whether it has been
ba829524
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 12:58
optimisation: one less conditional branch in pulse2comb()
e6ce0c6a
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 12:46
optimisation: Removed a bunch of conditional branches from comb2pulse()
fa147077
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 06:59
Removed implicit 32=>16 conversion (changed to EXTRACT16)
ed90daef
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/18 06:33
optimisation: Got rid of the 32-bit mul in find_spectral_pitch()
309d6420
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/17 03:41
fixed an issue (lacking parentheses) in the no-op version of BITREV
558c50eb
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/16 10:15
optimisation: Making it clear to the compiler that many of the loops in cwrs
7f28f768
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/16 07:47
Make use of CELT_MEMSET() in find_spectral_pitch()
b2b71a58
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/16 06:45
Fixed incorrect energy calculation in stereo intra prediction
a66c3208
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/16 06:43
optimisation: reworked intra_prediction() so that yy is computed fully only
0a864645
– Jean-Marc Valin <
[email protected]>
authored
on 2008/04/16 06:29
optimisation: intra_prediction() uses a 16-bit numerator for the search
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