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68 commits

Author SHA1 Message Date
Jean-Marc Valin
b1e017f58d Error checking on the decoder side 2010-07-18 21:20:35 -04:00
Jean-Marc Valin
9d785afb67 Encoder now has a way to check whether an error has occurred 2010-07-18 09:42:05 -04:00
Jean-Marc Valin
69921c4cde Considering the end band in more places in the code 2010-07-16 15:25:30 -04:00
Jean-Marc Valin
d56c610cac API change: optional resynthesis 
The main encode call no longer takes a pointer for the optional resynthesis.
It's now done with a call to celt_encode_resynthesis().
 2010-05-07 21:20:22 -04:00
Jean-Marc Valin
ce4dd367c2 More work on variable frame size (getting rid of FRAMESIZE() ) 2010-05-07 21:20:22 -04:00
Jean-Marc Valin
017fa85775 Changing the encoder API to add the frame size 2010-05-07 21:20:22 -04:00
Jean-Marc Valin
9a92d61ee8 A bit more tuning on the pseudo-frac-Hadamard. Also Trying to improve 
transient spreading.
 2010-04-06 20:33:12 -04:00
Jean-Marc Valin
8b2ff0da5a Updated copyright notices 2009-10-17 21:40:10 -04:00
Jean-Marc Valin
30f7f813ea Changed all the celt*int*_t types to remove the _t suffix, which is reserved 
by POSIX. The other _t types that are not part of the API are still there
for now. Also, got rid of all that was left of the 64-bit types.
 2009-10-17 14:35:13 -04:00
Jean-Marc Valin
ece94a0475 Improved error handling, and implemented celt_strerror() 2009-10-16 07:31:28 -04:00
Jean-Marc Valin
80ed147663 The number of channels is now set when creating the states rather than when 
creating the mode. This means that the same mode can be shared for mono and
stereo.
 2009-10-15 21:45:32 -04:00
Jean-Marc Valin
56522addc2 IETF doc update, including better source code formatting 2009-06-05 17:17:25 -04:00
Torben Hohn
4fad200a86 fix testcelt to use loss simulation 2009-04-29 19:58:11 -04:00
Gregory Maxwell
520eeaee1a Simple check that application supplied packet length is not negative. 2009-02-09 01:33:21 -05:00
Gregory Maxwell
926131291f Add support for a complexity argument to both testcelt and celtenc. 2008-10-08 19:45:55 -04:00
Gregory Maxwell
8259531160 API: Change celt_encode and celt_encode_float so that they take an optional synthesis parameter after the PCM input. If optional_synthesis is null the encoder will be able to save some computation. If optional_synthesis is non-null if will be used to write the encoder's expectation of the decoder's output. Synthesis may alias the input pcm, so calling the encoder with the same buffer twice will achieve the old behavior. Remove 'restrict' from the CTL prototype. 2008-09-30 23:32:35 -04:00
Jean-Marc Valin
453ccd829a Generate slightly more accurate WMOPS figures 2008-09-12 20:52:27 -04:00
Jean-Marc Valin
7b0cb4ba0d One-at-a-time allocator now uses direct feedback from ec_*_tell(). 2008-09-11 00:20:08 -04:00
Jean-Marc Valin
9375aa4faa Cleaned up the pre-echo avoidance code so it works when compiled as fixed-point 
(still requires float ops though). Also, removed the per-band IDCT.
 2008-06-27 07:57:35 +10:00
Jean-Marc Valin
16ca18b9b0 Automatically choosing the overlap based on the frame size. 2008-06-18 23:44:48 +10:00
Jean-Marc Valin
5aff7c04d4 Implemented a cleaner way to detect whether CWRS codebooks fit in 32 or 64 bits 2008-06-10 16:25:45 +10:00
Jean-Marc Valin
987921a067 fixed the skipping of the zeros (skip the zeros instead of the good samples!) 2008-05-26 23:46:28 +10:00
Jean-Marc Valin
b9da9e45fd Some code for packet loss and bit error simulation 2008-05-15 20:21:27 +10:00
Jean-Marc Valin
56cf2d6ae0 Added code for simulating bit errors 2008-04-28 15:56:38 +10:00
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
949902fd1b const correctness. celt_mode_create() now makes a copy of the static mode 
(if STATIC_MODES is defined) instead of attempting to modify read-only
storage.
 2008-03-11 10:43:06 +11:00
Jean-Marc Valin
5588d52e94 Psychoacoustic decay coefficients can now be included in the static modes 2008-03-10 15:07:58 +11:00
Jean-Marc Valin
7dbe0ca375 fixed some build problems 2008-03-10 10:25:40 +11:00
Jean-Marc Valin
2472dd7c89 testcelt no longer attempts to use ALLOC() 2008-03-09 19:27:58 +11:00
Jean-Marc Valin
ab69667495 oops, unb0rked testcelt output 2008-03-05 22:40:58 +11:00
Jean-Marc Valin
92376697c6 fixed-point: converted the pitch gain quantisation, except for the codebook 
itself
 2008-03-05 11:31:57 +11:00
Jean-Marc Valin
8600f69f79 Initial support for a managed stack/scratchpad. Still needs some work. 2008-02-29 15:14:12 +11:00
Jean-Marc Valin
8c19b030df Changed _new() to _create() in the API. Added some documentation 
on how to use the API.
 2008-02-20 15:53:15 +11:00
Jean-Marc Valin
0bb05bc5ea Another bunch of C99 array conversions (few more to go) 2008-02-20 13:43:40 +11:00
Jean-Marc Valin
a85657bd29 removed // comments and added stack_alloc.h (not used everywhere yet) 
to make the code more C89-friendly.
 2008-02-20 11:59:30 +11:00
Jean-Marc Valin
583a14ac96 Remove leading zeros in testcelt 2008-02-19 17:34:02 +11:00
Jean-Marc Valin
f2d5aed8a5 Allowing to choose the frame size and rate from testcelt 2008-02-19 16:45:37 +11:00
Jean-Marc Valin
75e9c8607d Some error reporting in the mode generation code. More cleanup 2008-02-18 17:04:15 +11:00
Jean-Marc Valin
2ca8fc373c Making use of dynamically generated modes by default 2008-02-18 16:27:49 +11:00
Jean-Marc Valin
65d57e6e96 Can now easily use modes generated on the fly. 2008-02-18 15:49:37 +11:00
Jean-Marc Valin
6da36c0452 Experimental ld51 mode (needs more work) 2008-02-15 14:20:29 +11:00
Jean-Marc Valin
356437048f scales down even further in bit-rate 2008-02-13 12:12:16 +11:00
Jean-Marc Valin
cb7a2a3d52 Re-ordered the parameters in the stream: [energy, pitch index, pitch gains] 
Also fixed a bug that was exposed by the change (and removed some warnings)
 2008-02-11 16:44:48 +11:00
Jean-Marc Valin
0e20ca0969 Enabling "plain folding" in case we don't even have enough bits for intra-frame 
prediction
 2008-02-11 15:33:53 +11:00
Jean-Marc Valin
7351e286c8 Everything converted to use kiss-fft. Got rid of smallft and fftwrap. 
Code much leaner now.
 2008-02-08 15:09:45 +11:00
Jean-Marc Valin
4d0a7d0f1b Now using an MDCT implementation I can actually understand. 2008-02-08 10:22:52 +11:00
Jean-Marc Valin
012407760c Re-enabled intra-frame prediction, which seems to have exposed a few issues 
with the entropy coder.
 2008-02-07 21:14:16 +11:00
Jean-Marc Valin
4c6bc884c8 "make check" now actually tried to encode and decode to see if things work 
(need to have test files installed otherwise it'll just pass by default)
 2008-01-31 17:34:27 +11:00
Jean-Marc Valin
4618eee092 Added a check to make sure the encoder signal matches that of the decoder 2008-01-29 08:17:50 +11:00
Jean-Marc Valin
3cfcd0594a Big mode cleanup. Keeping only one mono and one stereo mode 2008-01-18 13:56:08 +11:00