Jean-Marc Valin
aebb6fd624
Some work on the pitch search weighting filter (still disabled)
2009-12-02 07:04:28 -05:00
Jean-Marc Valin
e465c1490a
Reorganised the pitch code to simplify the PLC case and fixed a buffer overflow
...
introduced in Thorvald's previous patch.
2009-11-26 00:39:36 -05:00
Jean-Marc Valin
7a7c42a716
Fixing a few memory errors
2009-11-25 20:38:52 -05:00
Thorvald Natvig
065dafdc3e
Use stack_alloc for pitch.c
2009-11-24 20:16:03 -05:00
Jean-Marc Valin
9319e3e6df
Removing original freq-domain pitch code
2009-11-09 13:51:54 +09:00
Jean-Marc Valin
294863bbea
Temporal pitch search
2009-11-08 22:36:51 +09:00
Timothy Terriberry
8c7bb4c9c7
Expose the normalized range for reciprocal square roots in fixed-point mode. This allows subsequnt calculations to use the full precision of the result.
2009-10-31 13:35:40 -04:00
Jean-Marc Valin
234969c903
Removed the _t from all the celt*_t types to avoid clashing with POSIX
2009-10-17 22:12:42 -04:00
Jean-Marc Valin
8b2ff0da5a
Updated copyright notices
2009-10-17 21:40:10 -04:00
Jean-Marc Valin
bf2398b049
first step for removing the number of channels from the mode
2009-10-15 07:28:19 -04:00
Jean-Marc Valin
dffd9449b5
Tonality estimation code
2008-10-15 07:29:58 -04:00
Jean-Marc Valin
24c9cdaca1
Fixed a bug in the PLC and added code to estimate the pitch from the synthesis
...
instead of relying on the one previously transmitted by the encoder.
2008-05-02 10:34:07 +10:00
Jean-Marc Valin
4ce9205f38
Optimisation: caching the divisions used in the Laplace encoder.
2008-04-23 13:42:10 +10:00
Jean-Marc Valin
e488a1077b
removed two shifts from the pitch estimation inner loop
2008-04-23 11:57:40 +10:00
Jean-Marc Valin
56120d0691
Better indexing for find_spectral_pitch()
2008-04-23 08:49:32 +10:00
Jean-Marc Valin
70720a3721
added a shortcut (SHORTCUT) to skip the spreading function in the pitch search
2008-04-19 21:39:26 +10:00
Jean-Marc Valin
f11d6f49f9
optimisation: giving more hints to the compiler about the sizes in
...
find_spectral_pitch()
2008-04-18 23:13:14 +10:00
Jean-Marc Valin
e6ce0c6a22
optimisation: Removed a bunch of conditional branches from comb2pulse()
2008-04-18 16:46:39 +10:00
Jean-Marc Valin
fa14707713
Removed implicit 32=>16 conversion (changed to EXTRACT16)
2008-04-18 10:59:03 +10:00
Jean-Marc Valin
ed90daef3e
optimisation: Got rid of the 32-bit mul in find_spectral_pitch()
2008-04-18 10:33:06 +10:00
Jean-Marc Valin
7f28f768e7
Make use of CELT_MEMSET() in find_spectral_pitch()
2008-04-16 11:47:24 +10:00
Jean-Marc Valin
6ea8baed2d
a few loop optimisations.
2008-04-15 08:01:33 +10:00
Jean-Marc Valin
189acec5d3
optimisation: defined a reciprocal square root (celt_rsqrt) for use in
...
find_spectral_pitch instead of using celt_rcp(celt_sqrt(x))
2008-03-26 16:42:42 +11:00
Jean-Marc Valin
059749355d
optimisation: Making use of restrict in find_spectral_pitch() to disambiguate
...
X and Y.
2008-03-25 18:04:08 +11:00
Jean-Marc Valin
17ad401c2c
defined find_max16 and overrode it for C55x
2008-03-23 08:06:29 +11:00
Jean-Marc Valin
ba238d8793
more use of restrict
2008-03-22 17:53:12 +11:00
Jean-Marc Valin
a536f77202
Added a few "restrict" keywords and changed some divisions to shifts
2008-03-22 09:01:50 +11:00
Jean-Marc Valin
c163fc6207
local var name maxval was shadowing the TI function used to compute it
2008-03-21 12:53:37 +11:00
Jean-Marc Valin
9901cb9e82
fixed-point: defined celt_maxabs16() as basic operator
2008-03-21 11:13:51 +11:00
Jean-Marc Valin
f5b0587bd2
s/ROUND/ROUND16/
2008-03-21 10:46:17 +11:00
Jean-Marc Valin
983f6387e0
Wrapper for the TI dsplib FFT
2008-03-20 23:17:18 +11:00
Jean-Marc Valin
fcb841aa0b
Making the real/single FFT easier to replace
2008-03-20 22:23:54 +11:00
Jean-Marc Valin
c7e0b76c06
Making sure not to use the C library calls directly
2008-03-16 07:55:29 +11:00
Jean-Marc Valin
fb7359a61f
fixed-point: Fixed a "shift too large" warning by using a 16-bit mul instead
...
of 32-bit in find_spectral_pitch()
2008-03-15 08:04:16 +11:00
Jean-Marc Valin
71a84590e7
Removed unnecessary header inclusions
2008-03-14 11:09:50 +11:00
Jean-Marc Valin
2b35de9164
fixed-point: Using reciproqual instead of DIV32_16 for find_spectral_pitch()
2008-03-13 17:55:03 +11:00
Jean-Marc Valin
31b79d1993
Changed definition of VARDECL to make it more flexible. No actual code change.
2008-03-12 17:17:23 +11:00
Jean-Marc Valin
29f52990b9
Moved the psycoacoustics data to the mode struct
2008-03-10 13:34:52 +11:00
Jean-Marc Valin
2b361230b3
fixed-point: done converting find_spectral_pitch()
2008-03-10 10:41:13 +11:00
Jean-Marc Valin
f93747c44a
fixed-point: changed find_spectral_pitch() to use single-precision (16-bit) FFT.
...
This involved adding kfft_single.[ch] that redefines kiss_fft a second time
with a different prefix. All this is still a bit of a mess now. The mask
had to be converted to 16-bit input, but we're still using floats to apply it.
2008-03-05 17:20:30 +11:00
Jean-Marc Valin
4024444811
nothing to see here
2008-03-05 15:18:53 +11:00
Jean-Marc Valin
b624cdd2ce
fixed-point: masking curve computation now converted. ***Fixed a bug in the
...
handling of the left side slope of the spreading function (right-side coef
was used)
2008-03-05 13:40:20 +11:00
Jean-Marc Valin
312132780e
A bunch of const qualifyers and a few comments
2008-03-03 16:52:54 +11:00
Jean-Marc Valin
730c6e392d
Applying the window properly in find_spectral_pitch()
2008-03-03 16:38:29 +11:00
Jean-Marc Valin
ddb181b75e
A bit more reordering in stack memory allocation -- saved 1024 bytes on peak use
2008-03-03 14:53:47 +11:00
Jean-Marc Valin
137ec8e9b8
applying the pitch windowing directly in find_spectral_pitch()
2008-03-03 14:44:42 +11:00
Jean-Marc Valin
37942649cc
Saved 4 kB of stack usage in find_spectral_pitch() by doing the FFT in-place
...
(sort of)
2008-03-01 22:55:27 +11:00
Jean-Marc Valin
a556694e12
Stereo pitch search no longer requires twice the memory/complexity.
2008-03-01 20:14:20 +11:00
Jean-Marc Valin
d748cd5570
Another C90-fying pass. Fixed some warnings in the process.
2008-03-01 07:27:03 +11:00
Jean-Marc Valin
8d4ac155e6
Saved on stack usage by changing the order of the allocation
2008-02-29 17:24:02 +11:00
