media/libopus/celt/quant_bands.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* Copyright (c) 2007-2008 CSIRO
michael@0 2 Copyright (c) 2007-2009 Xiph.Org Foundation
michael@0 3 Written by Jean-Marc Valin */
michael@0 4 /*
michael@0 5 Redistribution and use in source and binary forms, with or without
michael@0 6 modification, are permitted provided that the following conditions
michael@0 7 are met:
michael@0 8
michael@0 9 - Redistributions of source code must retain the above copyright
michael@0 10 notice, this list of conditions and the following disclaimer.
michael@0 11
michael@0 12 - Redistributions in binary form must reproduce the above copyright
michael@0 13 notice, this list of conditions and the following disclaimer in the
michael@0 14 documentation and/or other materials provided with the distribution.
michael@0 15
michael@0 16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 17 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 18 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 19 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
michael@0 20 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0 21 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0 22 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0 23 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0 24 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0 25 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0 26 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 27 */
michael@0 28
michael@0 29 #ifndef QUANT_BANDS
michael@0 30 #define QUANT_BANDS
michael@0 31
michael@0 32 #include "arch.h"
michael@0 33 #include "modes.h"
michael@0 34 #include "entenc.h"
michael@0 35 #include "entdec.h"
michael@0 36 #include "mathops.h"
michael@0 37
michael@0 38 #ifdef FIXED_POINT
michael@0 39 extern const signed char eMeans[25];
michael@0 40 #else
michael@0 41 extern const opus_val16 eMeans[25];
michael@0 42 #endif
michael@0 43
michael@0 44 void amp2Log2(const CELTMode *m, int effEnd, int end,
michael@0 45 celt_ener *bandE, opus_val16 *bandLogE, int C);
michael@0 46
michael@0 47 void log2Amp(const CELTMode *m, int start, int end,
michael@0 48 celt_ener *eBands, const opus_val16 *oldEBands, int C);
michael@0 49
michael@0 50 void quant_coarse_energy(const CELTMode *m, int start, int end, int effEnd,
michael@0 51 const opus_val16 *eBands, opus_val16 *oldEBands, opus_uint32 budget,
michael@0 52 opus_val16 *error, ec_enc *enc, int C, int LM,
michael@0 53 int nbAvailableBytes, int force_intra, opus_val32 *delayedIntra,
michael@0 54 int two_pass, int loss_rate, int lfe);
michael@0 55
michael@0 56 void quant_fine_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, opus_val16 *error, int *fine_quant, ec_enc *enc, int C);
michael@0 57
michael@0 58 void quant_energy_finalise(const CELTMode *m, int start, int end, opus_val16 *oldEBands, opus_val16 *error, int *fine_quant, int *fine_priority, int bits_left, ec_enc *enc, int C);
michael@0 59
michael@0 60 void unquant_coarse_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int intra, ec_dec *dec, int C, int LM);
michael@0 61
michael@0 62 void unquant_fine_energy(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int *fine_quant, ec_dec *dec, int C);
michael@0 63
michael@0 64 void unquant_energy_finalise(const CELTMode *m, int start, int end, opus_val16 *oldEBands, int *fine_quant, int *fine_priority, int bits_left, ec_dec *dec, int C);
michael@0 65
michael@0 66 #endif /* QUANT_BANDS */

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