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4ce9205f – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/23 09:42

Optimisation: caching the divisions used in the Laplace encoder.

e488a107 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/23 07:57

removed two shifts from the pitch estimation inner loop

56120d06 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/23 04:49

Better indexing for find_spectral_pitch()

3ccf3a56 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> 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 <Jean-Marc.Valin@csiro.au> 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 <Jean-Marc.Valin@csiro.au> authored on 2008/04/22 08:18

Moved the windowing from compute_inv_mdcts() to mdct_backward()

447e5b8f – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/22 06:13

Separated the pre-rotate from the window+shuffling and further simplified

ef0d5f15 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/22 05:49

Further simplifications to the forward mdct

41880805 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/22 03:50

non-negative mdct input index

30e1b4d3 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/21 20:10

Moved the windowing operation from compute_mdcts() to mdct_forward() in an

ba11d783 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/21 17:59

Passing the mode to the intra prediction functions so the single-channel case

2146e649 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/21 11:08

Disabling pitch when gain is very small.

431e4646 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> 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 <Jean-Marc.Valin@csiro.au> authored on 2008/04/21 09:41

s/B/C/ in the intra stuff to have the same notation as everywhere else

8c4877bd – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/21 08:15

Bit better indexing in intra_prediction()

50bf8b01 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/21 08:14

Removing some unnecessary initialisations to zero.

dff9b7eb – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/21 07:43

Another bunch of do-while() loops

d7291d24 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/21 03:53

Further simplifications to comb2pulses() to remove all conditional branches.

7aa9d8c7 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> 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 <jean-marc.valin@usherbrooke.ca> authored on 2008/04/20 18:16

Better indexing of pre/de-emphasis in celt_{en|de}code().

1a3ed79c – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/20 16:39

Saved two copies when computing MDCTs of mono signals

bdb58836 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> 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 <jean-marc.valin@usherbrooke.ca> authored on 2008/04/20 13:16

This both reverts 3fe0db172c334b4fc3fc773cb08d96867402b532 that caused

65fb92e8 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/19 18:24

more restricted pointers in celt.c

70720a37 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/19 17:39

added a shortcut (SHORTCUT) to skip the spreading function in the pitch search

91ecf24e – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/19 15:44

encoder pre-emphasis now in 16-bits

53695789 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/19 08:58

better indexing in exp_rotation()

884916fb – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/19 08:53

better mdct_backward() indexing

f11d6f49 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/18 19:13

optimisation: giving more hints to the compiler about the sizes in

d583b246 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/18 18:19

a few minor optimisations

3fe0db17 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/18 17:00

removed unneeded variable shifts from alg_quant()

784959e8 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/18 15:35

separated the two passes from interp_bits2pulses()

05778451 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/18 15:34

optimisation: removed the shifts from the vq_index() inner loop

7adca0e6 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/18 13:54

optimisation: better indexing/looping in vq_index()

f7cec83c – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/18 13:29

pseudo-stack no longer checks on every function entry whether it has been

ba829524 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/18 12:58

optimisation: one less conditional branch in pulse2comb()

e6ce0c6a – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/18 12:46

optimisation: Removed a bunch of conditional branches from comb2pulse()

abdfc388 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/18 11:57

Saturation in SIG2INT16 using MIN/MAX

fa147077 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/18 06:59

Removed implicit 32=>16 conversion (changed to EXTRACT16)

ed90daef – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/18 06:33

optimisation: Got rid of the 32-bit mul in find_spectral_pitch()

eb1f75d1 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/17 03:50

minor simplification in alg_quant()

309d6420 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/17 03:41

fixed an issue (lacking parentheses) in the no-op version of BITREV

39aad911 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/17 03:29

Made twiddle pointer in mdct more explicit

558c50eb – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/16 10:15

optimisation: Making it clear to the compiler that many of the loops in cwrs

57e004bf – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/16 07:58

More use of CELT_MEMSET

7f28f768 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/16 07:47

Make use of CELT_MEMSET() in find_spectral_pitch()

b2b71a58 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/16 06:45

Fixed incorrect energy calculation in stereo intra prediction

a66c3208 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/16 06:43

optimisation: reworked intra_prediction() so that yy is computed fully only

0a864645 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/16 06:29

optimisation: intra_prediction() uses a 16-bit numerator for the search

eac9970c – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/15 17:31

added fixed_c6x.h

96069fd0 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/15 17:14

optimisation: managed to avoid dividing in the "full gain" case of alg_quant()

684fb28e – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/15 14:06

oops, forgot to make the gain a 16-bit var

d5683031 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/15 14:04

optimisation: simplified the "full gain" case of alg_quant() to remove some

ed317c94 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/04/15 13:31

optimisation: another bunch of simplifications to the "simple case" of the

6ea8baed – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/15 04:01

a few loop optimisations.

3d152a5d – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/15 03:46

optimisation: merged the init loop of vq_quant().

3956de98 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/12 02:55

fix minor compilation error/warning

9656ca00 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/11 13:23

fixed three declaration-after-statement issues

76625710 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/11 03:23

fixed a few warnings, no real change

b18ec0b0 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/11 00:07

Reworked the static modes. Now, if all static modes have the same frame size,

c1a4c2ec – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 14:54

some index work (simplifications for dumb compilers) on IMDCT

6d3289c7 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 10:43

Added a missing RESTORE_STACK in intra_prediction()

df9275b3 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 10:38

Not all compilers are equal -- making it clearer how the MDCT indexing is done

821945d9 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 09:24

Defining IMUL32 for 32x32=>32 int multiplications and using it in the range

c8e3b678 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 08:21

Simplified indexing in intra_prediction()

381b29c2 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 07:00

fixed ordering of the channels in the intra prediction.

05e56c4d – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 05:13

Defining DISABLE_STEREO now optimises for the mono case

15588ad6 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/10 05:00

Fixed a stereo regression introduced in e28f25f0d14959d521fda0cdb8f1220995bc50e8

5a7d9b2c – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/04/05 10:36

Fixed rsqrt testcase for float

d883670b – Timothy B. Terriberry <tterribe@xiph.org> authored and Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> committed on 2008/04/04 06:16

Rework CWRS code.

ae76e553 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/28 13:59

Changed the rules for using the pulse spreading. It should be used less often

9c50c6bc – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/28 04:45

Revert ABS16/32 on C55 -- ended up being slower

4fd989e8 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/28 04:31

ABS16 and ABS32 for the C55

124d1cdd – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/27 20:33

Making the pulsesAtOnce code 16-bit safe.

bf9040b4 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/27 14:05

Just commenting -- nothing to see.

45a7ab52 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/27 11:41

Optimisation: got rid of about 10% of the 32-bit divisions by using ec_enc_uint

e28f25f0 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/27 10:18

Removed a few int divisions from the intra prediction code.

f958477a – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/27 08:22

removed some int div

0828b650 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/27 06:22

fixed-point: using MULT16_16 instead of * in compute_band_energies()

fd8fda99 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/27 05:00

Making a few functions static inline

98c86c78 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/27 04:40

Trying to clean up celt_ilog2() vs. EC_ILOG a bit.

9ce7fbc4 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/26 19:33

making {next|prev}_cwrs* inline

fed97d58 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/26 17:31

optimisation: changed some for() loops to do-while() to give the compiler

df7ab430 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 14:03

Making it obvious to the compiler how to generate a dual-MAC in

95088d45 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 13:57

mix_pitch_and_residual() no longer computing Ryp twice

189acec5 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 12:42

optimisation: defined a reciprocal square root (celt_rsqrt) for use in

385795ed – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 11:56

Fixed the rcp() testcase for new assumptions (x is positive)

233e3172 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 11:46

optimisation: shaving a few cycles off prev_cwrs* by not computed the values

a56c34f3 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 10:36

optimisations: faster handling of the zero for compute_band_energies() and

25aeed74 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 09:45

changed 1*rcp(x) to just rcp(x)

89c5fd16 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 08:16

optimisation: intra_prediction() no longer needs to divide inside the search

35a1f88e – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/26 06:34

optimisation: The "simple" Rxy/sqrt(Ryy) case in alg_quant no longer requires

bd2828f6 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/26 04:10

Decision on whether to use pitch is now taken only based on energy in the

d9584dba – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/25 20:00

properly defined EPSILON for the float case

5de868c6 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/25 18:38

A bunch of pointers marked as "restrict" to ease the job of the compiler

1bc8a2e4 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/25 18:09

optimisation: spreading_func now in-place with no branch in the loop and half

ac72c282 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/25 17:31

oops. find_max32() now uses VERY_LARGE32 (instead of VERY_LARGE16)

44c63350 – Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> authored on 2008/03/25 17:28

optimisations: Another bunch of simplifications to alg_quant(), mainly to

05974935 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/25 14:04

optimisation: Making use of restrict in find_spectral_pitch() to disambiguate

49134381 – Jean-Marc Valin <Jean-Marc.Valin@csiro.au> authored on 2008/03/25 12:07

optimisations: caching sign of x in alg_quant(), changed celt_div()/celt_rcp()