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