shithub: opus

4794f2ec – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/05/19 07:56

Support for passing your own ec state to the encoder

c1ca587d – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/15 19:47

Saving ~1 kB by using chars for the alloc table

72c97f56 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/18 19:19

Sharing more code between encode and decode (bis)

746b2a8c – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/14 18:12

Merged encoding/decoding of mono/stereo

eb926680 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/14 03:47

Trying to prevent PVQ-level splits

c803ee19 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/13 20:17

Entropy-coding the new split parameter.

2e8ba548 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/12 20:04

New band splitting method based on the stereo code

1520f892 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/11 19:38

Stereo quantization also made more generic

80e56f1a – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/11 19:13

Making stereo code a bit more generic

06073824 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/11 17:01

Trivial code cleanup

aead79b1 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/11 03:34

Proper use of logN and logM for the offsets

c40d6f97 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/10 17:55

Making stereo code use [un]quant_bands() as well

94216aeb – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/10 17:27

Allocation adjustment code in quand_band().

2123f358 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/09 15:45

Cleaning up the folding code.

d56c610c – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/07 16:30

API change: optional resynthesis

e949b720 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/07 03:48

Fixed pitchEnd wrt to variable frame size. It should (sort of) all work now

ce4dd367 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/07 03:45

More work on variable frame size (getting rid of FRAMESIZE() )

017fa857 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/06 18:11

Changing the encoder API to add the frame size

fbd82eb8 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/06 16:15

Oops! Fixed the fixed-point build

811f21ab – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/06 03:38

Fix for very short frame size (M=1)

073d0bc9 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/05 17:37

Yet another step towards variable frame size

0475267e – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/05 03:21

More preparation work for variable frame size

3b918bac – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/05/04 20:02

replaced instances of mode->nbShortMdcts by the dynamic number of MDCTs (M)

7f1c9427 – Jean-Marc Valin <jean-marc.valin@octasic.com> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2010/04/29 07:24

Allocation table stored with BITRES accuracy based on the short block size

5f633543 – Jean-Marc Valin <jean-marc.valin@octasic.com> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2010/04/29 05:58

shortWindow hadn't been used for a while

f7547a4e – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/28 18:10

Shrinking the MDCT's table by separately rotating by the 1/(8N) factor

65ee67ac – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/26 03:08

Making the band definition the same at all frame sizes.

be8d1259 – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/04/21 14:09

Minor tweak to the band layout offset

6578ea0e – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/20 19:52

Re-enabled special stereo code for N=2

4fb95687 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/20 19:30

Bands are now (again) a multiple of the number of short MDCTs

d6b79eeb – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/04/20 13:31

Skipping transient shape renormalisation in the encoder because

281a63ea – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/04/20 06:43

Bump bitstream version now that we broke everything

8271dc8a – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/19 20:47

Tuning the amount of spreading based on Koen's feedback

9c30de57 – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/04/19 09:32

Improved transient_analysis() by adding one frame of memory.

b450ed48 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/18 18:47

Removed unnecessary calls to log2Amp()

b8ba70c9 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/18 18:10

Disabling resynthesis when not needed (need to remove folding for this to work)

b8a06ee0 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/18 05:57

Re-introducing the successive spreading rotations, but in a two-step

65a48706 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/17 13:29

Corrected some non-sensical code

628c0253 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/16 16:57

Converted a few double-precision constants to single precision

3ff5e4c2 – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/04/14 14:02

Making sure compute_allocation_table() doesn't overrun at lower sampling rates

f080a151 – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/04/14 13:45

version string set to 0.8.0-git

137f3366 – Jean-Marc Valin <jean-marc.valin@octasic.com> authored on 2010/04/14 13:42

Changed compute_allocation_table() so it handles ebands that start and end in the same allocation band. Also fixed a minor C89 issue.

31bec963 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/07 14:30

Fix small mode leak (forgot to free the new logN array).

f400a3c5 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/05 19:58

Caching log2_frac(N, BITRES) in the more data to save some CPU

64209a3e – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/05 05:26

A few minor optimisations (compute_allocation, denormalise_bands,

9a92d61e – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/03 12:30

A bit more tuning on the pseudo-frac-Hadamard. Also Trying to improve

354bf60b – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/04/03 05:23

Doing the spreading with a "pseudo-fractional-Hadamard" transform

8974f00d – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/19 20:41

fixed-point: improving accuracy of the energy prediction

c7b01bad – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/19 19:17

fixed-point: slightly increasing the decoder accuracy again

dc8a6eee – Timothy B. Terriberry <tterribe@xiph.org> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2010/03/15 19:49

Update the log2 approximation to accomodate the increased bit precision from bd0610d21b28b76095a49e601df44fb792b96369. This requires another term in the power series to reduce the error to the level of truncation (peak absolute error 0.621785). Also refactor the rounding bias term so that further changes to DB_SHIFT will leave the result unbiased.

3a4a463f – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/15 18:55

fixed-point: Further reduction in mismatch

70bdf9bf – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/15 16:50

fixed-point: reducing the mismatch in the folded part

bd0610d2 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/13 05:04

Increasing log energy resolution

5503f11a – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/12 17:00

Using the mean energy even when start>0

210ccafa – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/11 17:20

Improves fixed-point precision for quant_coarse_energy

e45ccb16 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/03/01 02:07

Fix quant_bands() for start != 0

3a0bc3d9 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/02/21 10:10

Allowing CELT to skip the low frequencies

5378bf82 – John Ridges <jridges@masque.com> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2010/02/12 02:08

Updating CELT_RESET_STATE to clear some fields that were "recently" added.

6c79a932 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/01/16 18:35

Getting "make dist" to work again with the files that got removed

619a9681 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/01/16 14:12

Misc changes for 0.7.1.

df726557 – Thorvald Natvig <slicer@users.sourceforge.net> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2010/01/16 03:06

Change name of libcelt to libcelt0

7f182296 – Stefan de Konink <stefan@konink.de> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2010/01/07 16:27

Updates celtclient to the new API.

74128bef – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2010/01/01 04:33

fixed-point: converted PLC filters and LPC parameters

303b3b62 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/30 17:40

fixed-point: starting conversion of the new PLC

07fed1bf – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/28 02:59

Adding a safeguard against unstable LPC, so now there's no way (that I can

d69c1cb3 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/27 19:34

Making new PLC code work in fixed-point even though it's still using float

aec0ee41 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/20 19:06

C89 friendliness

d5f99308 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/16 17:42

This fixes a bug in stereo PLC (offset wasn't changed between channels)

5a0fae53 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/14 16:19

PLC: Added lag windowing and constraint to synthesis energy

b8002a0e – Thorvald Natvig <slicer@users.sourceforge.net> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2009/12/11 08:19

Varlength arrays fix for C89

e14fe904 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/10 19:07

New LPC-based PLC code

1ccfd3cc – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/02 16:07

Oops, forgot to free the pitch bufer

6fd02706 – George de Vries <George.deVries@oa.com.au> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2009/12/02 15:59

Fixing (read) array overrun for 1024-sample frames.

aebb6fd6 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/12/02 02:04

Some work on the pitch search weighting filter (still disabled)

e465c149 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/11/25 19:39

Reorganised the pitch code to simplify the PLC case and fixed a buffer overflow

7a7c42a7 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/11/25 15:38

Fixing a few memory errors

065dafdc – Thorvald Natvig <slicer@users.sourceforge.net> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2009/11/24 20:02

Use stack_alloc for pitch.c

e05e7e23 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/11/21 18:41

minor code cleanup

6d584acd – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/11/21 16:57

Renamed MDCT functions to avoid symbol clashes with Vorbis

9319e3e6 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/11/09 08:51

Removing original freq-domain pitch code

294863bb – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/11/08 17:29

Temporal pitch search

5ed24f81 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/31 09:43

celt_ilog2() is only used in fixed-point mode

8c7bb4c9 – Timothy Terriberry <tterribe@motherfishIV.xiph.org> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2009/10/31 06:19

Expose the normalized range for reciprocal square roots in fixed-point mode. This allows subsequnt calculations to use the full precision of the result.

630ee44a – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/24 10:29

SMALL_FOOTPRINT preserves the special n=1 cwrs case

c2f7dff5 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/24 07:44

Added a SMALL_FOOTPRINT option

a3803a98 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/24 07:24

misc minor changes

f81edea0 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/23 18:33

removing more unused code

789fc141 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/23 17:44

Removing unused code in the entropy coder

954fb110 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/22 17:14

doxygen fix

7a047ea0 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/21 20:23

prevent busting at ridiculously low bit-rate VBR

45f11105 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/21 20:12

Making sure the VBR controller never busts the number of bytes allowed

25767d1c – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/21 19:24

Better computation of the VBR rate upper bound and reducing the coarse energy

a9ffc14a – Timothy B. Terriberry <tterribe@xiph.org> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2009/10/20 20:18

Enhancements the fixed-point approximations of non-linear functions.

ab4dcc5c – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/21 03:08

Allow coarse energy to take almost all the bits. Also, fixed a some issues with

73bf6332 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/20 03:22

Making the multiplication in normalise_residual() produce a 32-bit result just

4a275d4d – Timothy B. Terriberry <tterribe@xiph.org> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2009/10/19 22:39

Accuracy improvements to the fixed-point celt_rsqrt().

a3bba38b – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/20 03:13

This should prevent a rare divide-by-zero in the pitch gain code

bd5d54ad – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/19 20:25

New VBR rate controller that doesn't allow more than one frame worth of excess

328b8bd7 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/19 15:07

fixed a few trivial bugs: exporting celt_strerror(), changed DB_SCALING to a

234969c9 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2009/10/17 18:12

Removed the _t from all the celt*_t types to avoid clashing with POSIX