Jean-Marc Valin | af93fbd | 2017-07-12 16:55:28 -0400 | [diff] [blame] | 1 | /* Copyright (c) 2017 Jean-Marc Valin */ |
Jean-Marc Valin | 9987a3b | 2011-11-17 19:21:07 +0800 | [diff] [blame] | 2 | /* |
| 3 | Redistribution and use in source and binary forms, with or without |
| 4 | modification, are permitted provided that the following conditions |
| 5 | are met: |
| 6 | |
| 7 | - Redistributions of source code must retain the above copyright |
| 8 | notice, this list of conditions and the following disclaimer. |
| 9 | |
| 10 | - Redistributions in binary form must reproduce the above copyright |
| 11 | notice, this list of conditions and the following disclaimer in the |
| 12 | documentation and/or other materials provided with the distribution. |
| 13 | |
| 14 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 15 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 16 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 17 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
| 18 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 22 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 23 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 24 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | #ifndef _MLP_H_ |
| 28 | #define _MLP_H_ |
| 29 | |
Jean-Marc Valin | af93fbd | 2017-07-12 16:55:28 -0400 | [diff] [blame] | 30 | #include "opus_types.h" |
| 31 | |
Jean-Marc Valin | ff98202 | 2017-11-08 20:35:30 -0500 | [diff] [blame] | 32 | #define WEIGHTS_SCALE (1.f/128) |
Jean-Marc Valin | af93fbd | 2017-07-12 16:55:28 -0400 | [diff] [blame] | 33 | |
Jean-Marc Valin | ff98202 | 2017-11-08 20:35:30 -0500 | [diff] [blame] | 34 | #define MAX_NEURONS 32 |
Jean-Marc Valin | 9987a3b | 2011-11-17 19:21:07 +0800 | [diff] [blame] | 35 | |
| 36 | typedef struct { |
Jean-Marc Valin | ff98202 | 2017-11-08 20:35:30 -0500 | [diff] [blame] | 37 | const opus_int8 *bias; |
| 38 | const opus_int8 *input_weights; |
Jean-Marc Valin | af93fbd | 2017-07-12 16:55:28 -0400 | [diff] [blame] | 39 | int nb_inputs; |
| 40 | int nb_neurons; |
| 41 | int sigmoid; |
| 42 | } DenseLayer; |
Jean-Marc Valin | 9987a3b | 2011-11-17 19:21:07 +0800 | [diff] [blame] | 43 | |
Jean-Marc Valin | af93fbd | 2017-07-12 16:55:28 -0400 | [diff] [blame] | 44 | typedef struct { |
Jean-Marc Valin | ff98202 | 2017-11-08 20:35:30 -0500 | [diff] [blame] | 45 | const opus_int8 *bias; |
| 46 | const opus_int8 *input_weights; |
| 47 | const opus_int8 *recurrent_weights; |
Jean-Marc Valin | af93fbd | 2017-07-12 16:55:28 -0400 | [diff] [blame] | 48 | int nb_inputs; |
| 49 | int nb_neurons; |
| 50 | } GRULayer; |
Mark Harris | 8adff0b | 2015-08-07 01:25:35 -0700 | [diff] [blame] | 51 | |
Jean-Marc Valin | af93fbd | 2017-07-12 16:55:28 -0400 | [diff] [blame] | 52 | extern const DenseLayer layer0; |
| 53 | extern const GRULayer layer1; |
| 54 | extern const DenseLayer layer2; |
| 55 | |
| 56 | void compute_dense(const DenseLayer *layer, float *output, const float *input); |
| 57 | |
| 58 | void compute_gru(const GRULayer *gru, float *state, const float *input); |
Jean-Marc Valin | 9987a3b | 2011-11-17 19:21:07 +0800 | [diff] [blame] | 59 | |
| 60 | #endif /* _MLP_H_ */ |