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abf5c8ed
– Jean-Marc Valin <
[email protected]>
authored
on 2008/09/19 04:02
Merge branch 'cwrs_speedup' (derf's cwrs changes)
b781877e
– Jean-Marc Valin <
[email protected]>
authored
on 2008/09/12 17:27
Converted everything to 32-bit CWRS (using split after that)
7b0cb4ba
– Jean-Marc Valin <
[email protected]>
authored
on 2008/09/10 20:20
One-at-a-time allocator now uses direct feedback from ec_*_tell().
825ead82
– Jean-Marc Valin <
[email protected]>
authored
on 2008/09/08 20:15
Simplified allocation by doing it one band at a time, with memory
d9b9565a
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/31 19:34
Added Erik de Castro Lopo's float_cast.h to use lrintf() when available. Also
58b3727f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/30 10:53
exp() and log() are faster than pow() and log10() for dB conversion
c994394f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/29 20:55
Added signalling bits for enabling/disabling pitch, short blocks, and folding.
5c3bc679
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/28 19:34
Fixed a bunch of fixed-point overflows on insanely hot signals by changing
8dff923a
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/13 18:07
Added hooks for tuning pulses and fine energy quant
5eef264f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/06 19:06
Solved an encoder/decoder mismatch happening when there's no pulse in the first
4117ff02
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/05 18:03
Preventing encoder/decoder mismatch when coarse energy budget is busted
504f8c25
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/05 16:39
some tuning to fine energy allocation and prevent it from going above 7 bits
9c70906f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/03 18:07
Changing the allocation algorithm to better take into account the fixed cost
36e6e01a
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/02 18:25
Merged compute_allocation_table() and compute_energy_allocation_table()
9eba823c
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/02 16:51
Turns out that the worse case of the vector split is the same as that of the
eb7ce031
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/02 16:14
fixed a bunch of bugs in the unified allocation code.
c890b58b
– Jean-Marc Valin <
[email protected]>
authored
on 2008/08/01 18:26
Completed the separation of coarse and fine energy quantisation
5c0d486f
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/24 04:49
Better bit allocation for all frame sizes that are not equal to 256.
1d27ef8b
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/20 19:30
Re-implemented renormalise_bands() based on renormalise_vector().
6361ad8d
– Jean-Marc Valin <
[email protected]>
authored
on 2008/07/20 19:14
Simplified the folding normalisation by creating renormalise_vector().
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.
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