RSS feed
dcacb73c
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/14 08:39
Preventing negative bit allocation
6cbfbc38
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/14 06:53
Tuning for 2.5 ms frames
425cfd3e
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/13 11:56
Fix 2-phase stereo in the encoder
70d30ffc
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/13 08:50
Using overlap=shortMdctSize even for 2.5 ms frames.
546dfa19
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/10 12:18
Adapting the allocation trim based on the spectral tilt
dfd6e714
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/09 18:23
Adding some hysteresis on the folding threshold frequency
85bbab0b
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/09 10:23
Fixes a fixed-point overflow in stereo angle calculation
fddc521a
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/09 09:28
Completely new transient analysis algorithm
2b747c98
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/08 06:06
Simplifying the allocation code and making sure both channels get a bit
52dc66b8
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/06 16:31
Take into accound the 32-bit limit in the VQ
79b34eb8
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/05 12:22
Add API support for unconstrained VBR
9faf7408
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/04 05:27
Keeping the allocation of the intensity-codec bands
a4badac9
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/03 10:20
Making VBR slightly exceed the budget rather than fail
30165bba
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/12/03 09:35
Fixing the most obvious problems with the VBR code
e5e9aa79
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/02 11:09
Fixes some side-information rate control issues in VBR mode
e65978fe
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/02 08:46
Adding a dual stereo option.
100ae8ce
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/01 13:45
nothing to see here
1bfa18cb
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/01 11:11
Fix totally broken bit allocation for non-mainstream modes (e.g. powers of two).
bad42a7d
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/12/01 09:54
Better tuning for 5 ms frames
4b087df5
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/30 16:08
Increasing resolution of the alloc trim
dd4bf63a
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/30 10:31
Tuning higher bit-rate to behave a bit more like Vorbis.
4f177e85
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/26 05:32
Intensity stereo now in the bit-stream
fb031119
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/25 11:32
Allocate remaining bits with constant SNR offset
9b4ed5e2
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/24 13:01
Implementing intensity stereo.
128d0c1c
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/24 12:43
Tuning the allocation trim_offset for shorter frames
e6d7c084
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/19 09:43
Minor tuning to the last band
c992a0d7
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/19 09:06
New bit allocation tuning now enabled by default
54d84c01
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/19 06:45
Bit allocation wotk.
0722c16d
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/16 05:55
Good catch by John Ridges
ef2e6505
– Timothy B. Terriberry <tterribe@xiph.org>
authored
and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
committed
on 2010/11/08 20:43
Add coarse energy entropy model tuning.
99a19474
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/08 19:13
0.9.1 release
1ad93cf4
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/06 18:02
Fixes several fixed-point overflows in the PLC code
e53c4bc5
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/06 17:41
Fixes a silly fixed-point scaling PLC bug
d7231dd1
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/06 16:30
Giving up on reusing the saved overlap in the PLC
bc4a0023
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/06 14:11
PLC fixes
8f6d12be
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/11/06 08:11
Adding float|fixed suffixes to static mode files
6c12497c
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/05 10:55
Increases the probability of alloc_trim==2 to reflect the latest changes
44a96007
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/05 07:39
Minor tuning
9743bf38
– Gregory Maxwell <greg@xiph.org>
authored
and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
committed
on 2010/11/04 16:45
Switch iteration over channels to the do{}while(); construct in order to inform the compiler that the these loops execute at least once. (This results in more intelligent output from the clang static analysis tool and should also produce faster code on at least some architectures.)
60c316b4
– Gregory Maxwell <greg@xiph.org>
authored
and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
committed
on 2010/11/04 16:14
Eliminate some promotions to double. A fair number of implicit promotions remain but they all involve math functions which exist only as double precision form in C89.
fa1ca199
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/04 11:59
Make sure that we always code the sign of N=1 bands
a3a066cb
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/04 11:15
Fixes some stereo issues where the right channel wasn't taken into account
35095c69
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/11/04 09:24
Squashed commit of the following:
bc2c4548
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/28 10:27
Fixed the PLC, which had been broken for a while
fac6c98c
– Gregory Maxwell <greg@xiph.org>
authored
and Jean-Marc Valin <jean-marc.valin@octasic.com>
committed
on 2010/10/28 11:00
Fix crashes with VBR for short duration frames and very low bitrates. This may, however, cause the encoder to violate the rate target at insanely low rates.
a9411472
– Gregory Maxwell <greg@xiph.org>
authored
and Jean-Marc Valin <jean-marc.valin@octasic.com>
committed
on 2010/10/27 23:52
Switch example tools to use VBR and 960 sample frames by default on the basis that if the user doesn't have any particular requirements that they probably want this.
eedb4228
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/23 20:22
Further simplications to compute_mdcts()
933dd833
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/23 20:08
De-interleaves the MDCT input and overlap memory.
9037757c
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/22 11:12
Tuning the allocation trim
c40addcb
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/22 10:57
Reworked the allocation trim to be absolute (in bits/sample) rather relative
fd54a99e
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/21 13:50
Prevents a folding artefact due to "folding the folding"
94491653
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/21 13:10
Alternate tuning found using exp_tuning_knobs (disabled by default)
6bf15c55
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/21 11:08
Tuning the folding bands.
0110301d
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/19 12:40
allocation trim doesn't make sense for stereo after all
c5792dee
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/19 10:24
First shot at automatically adjusting the "allocation trim" for stereo.
5790fba7
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/18 13:27
Simplifying transient_analysis() now that we don't care about the time window
7fff572a
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/18 12:20
Making sure we can use up to 128 pulses.
d50b6287
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/18 11:26
Removing renormalise_bands()
27fc0c42
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/18 11:10
s/const/static const/
7a08ddd1
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/18 10:55
Removing both the transient window and the mdct_weight_shift.
35fceef3
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/17 20:34
Turning off time-domain window pending decision on what to do with it.
e0aa9d18
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/17 12:25
Removing dead code found by LLVM's static analysis
e0ae9801
– John Ridges <jridges@masque.com>
authored
and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
committed
on 2010/10/16 14:00
Optimised float->int cast for Win64
bb918ef7
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/15 20:01
Fixed fixed-point overflow for 2.5 ms frames.
3295b5d5
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/15 19:43
Folding code moved to quant_band() to prevent duplication.
c4711e4e
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/15 19:31
More VQ search simplifications
bbc010c4
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/15 18:55
Removing yshift from the fixed-point VQ search
3d25e71b
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/15 18:45
More simplifications to the VQ search
aca7a630
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/15 18:06
VQ search no longer needs to put more than one pulse at a time
dfb3e686
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/15 13:45
tweaks to the split delta for transients
4d2d9fc9
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/15 10:17
Transient detection fix for the case where a transient occurs during the overlap
54fb7e56
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/15 07:26
Tuning the bias for the L1 tf metric
8852563a
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/15 06:24
Unb0rked the VBR code: several units issues that made VBR completely useless
8200b2d1
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/14 22:18
Modifying the L1 metric for tf analysis by merging together all frequencies.
4a8c1f11
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/13 14:03
Making it possible to have two transients in a row for longer frames
2794b630
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/13 13:32
Adding a high-pass filter in front of the transient analysis code
ccd51fe9
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/13 07:48
No longer filling the stereo side with noise.
ccd5a61a
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/12 21:11
Taking into account TF decisions for VBR
0f8fc0be
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/12 19:25
New TF decision code based on L1-norm. Needs more work.
844f00de
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/12 18:18
Don't take into account silence for the coarse energy means
a8160dde
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/12 10:55
Remove lower bound on bit-rate for tf signalling
f1fea66b
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/09 18:58
Dynamic allocation before VBR
8226ac08
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/10/09 17:07
Retrained coarse energy mean and beta coefficients
8ccda887
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/04 14:01
Making the allocation slightly less insane at very high rate
b441a157
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/10/04 10:45
Using high-band noise less aggressively
6bf04627
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/30 06:16
Allowing to change the allocation dynamically.
4a11daa2
– Gregory Maxwell <greg@xiph.org>
authored
and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
committed
on 2010/09/29 14:56
Updates tandem-test for more robust error reporting and additional frame sizes and sample rates.
83c26fbd
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/09/29 16:05
Fixes a ibudget bust and a divide-by-zero at very low bit-rate
b1fe4f60
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/29 14:05
Fixes a fixed-point overflow on 16-bit architectures
d74c851f
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/29 13:39
Adds a simple dynamic allocation scheme
b801da5e
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/28 10:56
Preventing bands from being coded at a rate below (for now) 3/8 bit/sample
78ea9fd0
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/09/24 04:27
Include tuning from exp_vorbis_tuning (disabled for now)
8abc6bee
– Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
authored
on 2010/09/15 02:57
Fixes a minor folding bug for N=2 bands in stereo
cb2c77c6
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/14 12:43
Add an extra safety bit in intra_decision()
ba760bc5
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/14 12:06
Fixes rare overflow in intra_decision()
3c15659c
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/14 12:02
Fixes fixed-point overflow in stereo_merge()
d60e0db0
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/14 08:22
Fixes a fixed-point overflow in haar1()
9ce95056
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/14 07:05
Speed up the bit allocator interpolation
5f3ad5f9
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/14 06:30
Fix stereo for N=2
79b45338
– Jean-Marc Valin <jean-marc.valin@octasic.com>
authored
on 2010/09/14 05:48
Copy lowband when needed instead of undoing the transforms
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