Jean-Marc Valin
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5de868c6d3
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A bunch of pointers marked as "restrict" to ease the job of the compiler
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2008-03-25 22:38:58 +11:00 |
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Jean-Marc Valin
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ac72c2821a
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oops. find_max32() now uses VERY_LARGE32 (instead of VERY_LARGE16)
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2008-03-25 21:31:12 +11:00 |
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Jean-Marc Valin
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44c63350d1
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optimisations: Another bunch of simplifications to alg_quant(), mainly to
remove unnecessary copying and some conditional branches.
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2008-03-25 21:28:40 +11:00 |
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Jean-Marc Valin
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49134381d0
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optimisations: caching sign of x in alg_quant(), changed celt_div()/celt_rcp()
to assume denominator is positive.
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2008-03-25 16:07:05 +11:00 |
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Jean-Marc Valin
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208ae6e33d
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Optimised intra prediction a bit -- removed a conditional branch and replaced
some calls to ec_enc_uint() by calls to ec_enc_bits() (saves divisions)
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2008-03-25 15:25:08 +11:00 |
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Jean-Marc Valin
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bd718ba577
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Removed the "pitch compression" in the residual quantisation. Also, removed
the more complex "n-best search" and replaced it with a greedy search
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2008-03-25 14:15:41 +11:00 |
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Jean-Marc Valin
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23e82b26dd
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replaced divisions by recoprocals in intra prediction and folding
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2008-03-24 08:15:40 +11:00 |
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Jean-Marc Valin
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2282383434
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fixed-point: added cheap celt_div() division using a reciprocal
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2008-03-22 21:17:45 +11:00 |
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Jean-Marc Valin
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a536f77202
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Added a few "restrict" keywords and changed some divisions to shifts
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2008-03-22 09:01:50 +11:00 |
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Jean-Marc Valin
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f5b0587bd2
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s/ROUND/ROUND16/
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2008-03-21 10:46:17 +11:00 |
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Jean-Marc Valin
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4ff068e670
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Some work on assertions.
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2008-03-15 23:34:39 +11:00 |
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Jean-Marc Valin
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71a84590e7
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Removed unnecessary header inclusions
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2008-03-14 11:09:50 +11:00 |
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Jean-Marc Valin
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a82dfdd240
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Adjusting/fixing warnings
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2008-03-13 23:01:55 +11:00 |
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Jean-Marc Valin
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9d5b4a6f56
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fixed-point: simplification of the gain in mix_pitch_and_residual()
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2008-03-13 11:36:45 +11:00 |
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Jean-Marc Valin
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19ae9fc944
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fixed-point: simplifying the arithmetic in alg_quant()
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2008-03-13 11:18:15 +11:00 |
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Jean-Marc Valin
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31b79d1993
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Changed definition of VARDECL to make it more flexible. No actual code change.
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2008-03-12 17:17:23 +11:00 |
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Jean-Marc Valin
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d857ac48de
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Using reciprocal approximation instead of full 32-bit division in alg_quant()
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2008-03-12 13:26:37 +11:00 |
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Jean-Marc Valin
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3e65097528
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Bit of cleaning up. No real code change (well, I hope so!).
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2008-03-07 17:38:58 +11:00 |
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Jean-Marc Valin
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03892c18d4
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fixed-point: finished intra_prediction(). No float ops left in vq.c
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2008-03-07 17:25:47 +11:00 |
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Jean-Marc Valin
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9455d1b13c
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fixed-point: converting intra-frame predictor (checkpoint #1).
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2008-03-07 17:17:37 +11:00 |
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Jean-Marc Valin
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ec9b6df35d
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fixed-point: intra_fold() converted
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2008-03-07 17:05:47 +11:00 |
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Jean-Marc Valin
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d9de593104
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Fixed a bunch of warnings
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2008-03-05 08:11:57 +11:00 |
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Jean-Marc Valin
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312132780e
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A bunch of const qualifyers and a few comments
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2008-03-03 16:52:54 +11:00 |
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Jean-Marc Valin
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3e08a88389
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Only the (rising) overlap part of the window is stored now. No need to hold the
zeros and ones (nor even the second half).
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2008-03-03 13:49:20 +11:00 |
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Jean-Marc Valin
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d748cd5570
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Another C90-fying pass. Fixed some warnings in the process.
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2008-03-01 07:27:03 +11:00 |
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Jean-Marc Valin
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cac91ec4db
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Fixed temp arrays that were allocated too large (no change in peak mem)
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2008-02-29 17:03:34 +11:00 |
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Jean-Marc Valin
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877b1975b6
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fixed-point: converted intra prediction and folding, unb0rked mixed-precision
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2008-02-29 16:40:39 +11:00 |
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Jean-Marc Valin
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8600f69f79
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Initial support for a managed stack/scratchpad. Still needs some work.
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2008-02-29 15:14:12 +11:00 |
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Jean-Marc Valin
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4e1328b09d
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fixed-point: alg_quant() entirely converter -- may require revisiting...
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2008-02-28 15:17:33 +11:00 |
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Jean-Marc Valin
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8b158f569a
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fixed-point: (hopefully) last check-point for alg_quant() conversion
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2008-02-28 14:44:19 +11:00 |
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Jean-Marc Valin
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642ff944cf
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fixed-point: The cross-products in alg_quant() are now all converted.
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2008-02-28 14:33:19 +11:00 |
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Jean-Marc Valin
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c9d606f517
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fixed-point: third alg_quant() checkpoint
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2008-02-28 13:46:20 +11:00 |
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Jean-Marc Valin
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ed9e4236c1
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fixed-point: second check-point in the conversion of alg_quant()
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2008-02-28 12:22:22 +11:00 |
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Jean-Marc Valin
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f675adce51
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fixed-point: First check-point in alg_quant() conversion
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2008-02-28 12:15:17 +11:00 |
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Jean-Marc Valin
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a02ca1ee35
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fixed-point: Added a ROUND() operator, no real change to the code
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2008-02-28 11:33:22 +11:00 |
|
Jean-Marc Valin
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3ca9b1d295
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fixed-point: Moved sqrt and cos approximations to mathops.h
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2008-02-27 23:50:31 +11:00 |
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Jean-Marc Valin
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a847b775c9
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fixed-point: done with mix_pitch_and_residual() though a bit of cleaning up
wouldn't hurt
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2008-02-27 17:46:49 +11:00 |
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Jean-Marc Valin
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1ca0722534
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fixed-point: mix_pitch_and_residual() check-point #3
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2008-02-27 17:23:04 +11:00 |
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Jean-Marc Valin
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b50c541d8b
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fixed-point: another mix_pitch_and_residual() check-point
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2008-02-27 17:05:43 +11:00 |
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Jean-Marc Valin
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d17edd35fc
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fixed-point: half-way converting mix_pitch_and_residual() -- just check-pointing
|
2008-02-27 16:52:30 +11:00 |
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Jean-Marc Valin
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9d8d9b3f37
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fixed-point: compression factor (alpha) now a 16-bit value (still internally
converted to float though)
|
2008-02-27 16:17:39 +11:00 |
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Jean-Marc Valin
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d4018c3a22
|
Reduced code duplication in vq.c by adding mix_pitch_and_residual() which
is used by both by the encoding and decoding functions.
|
2008-02-27 10:09:48 +11:00 |
|
Jean-Marc Valin
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5f09ea5659
|
celt_mask_t for masking curves
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2008-02-26 16:43:04 +11:00 |
|
Jean-Marc Valin
|
b60340f7e3
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fixed-point: band energy now a 32-bit value. It might have (barely) fix into
16-bit, but at this point, it's not worth the trouble and loss of accuracy.
|
2008-02-26 15:41:51 +11:00 |
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Jean-Marc Valin
|
2fa8affdc5
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fixed-point: celt_norm_t now a 16-bit value.
|
2008-02-26 12:21:58 +11:00 |
|
Jean-Marc Valin
|
b4dfce4665
|
fixed-point: Using a NORM_SCALING of 16384, sig_norm_t is still a float though.
|
2008-02-25 17:41:30 +11:00 |
|
Jean-Marc Valin
|
18ddc02afd
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Separating types for normalised vs. denormalised data paths
|
2008-02-22 14:24:50 +11:00 |
|
Jean-Marc Valin
|
d501f6143c
|
Doing intra-frame prediction backwards (and a few comments)
|
2008-02-21 12:16:57 +11:00 |
|
Jean-Marc Valin
|
879fbfd528
|
Updated Doxygen comments, removed an incorrectly placed LGPL header (we own
copyright, so it's fine!)
|
2008-02-20 17:17:13 +11:00 |
|
Jean-Marc Valin
|
9a0bba183c
|
Everything should now compile with a C89 compiler.
|
2008-02-20 14:08:50 +11:00 |
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