1 | //channels.h: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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5 | * |
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6 | * This file is part of libroar a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * libroar is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | * |
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23 | * NOTE for everyone want's to change something and send patches: |
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24 | * read README and HACKING! There a addition information on |
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25 | * the license of this document you need to read before you send |
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26 | * any patches. |
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27 | * |
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28 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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29 | * or libpulse*: |
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30 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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31 | * and are therefore GPL. Because of this it may be illigal to use |
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32 | * them with any software that uses libesd, libartsc or libpulse*. |
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33 | */ |
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34 | |
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35 | #ifndef _LIBROARDSP_CHANNELS_H_ |
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36 | #define _LIBROARDSP_CHANNELS_H_ |
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37 | |
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38 | #include "libroardsp.h" |
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39 | |
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40 | #define ROARDSP_CHAN_EOL -1 |
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41 | #define ROARDSP_CHAN_NONE 0 |
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42 | #define ROARDSP_CHAN_FRONT_LEFT 1 |
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43 | #define ROARDSP_CHAN_FRONT_RIGHT 2 |
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44 | #define ROARDSP_CHAN_SIDE_LEFT 3 |
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45 | #define ROARDSP_CHAN_SIDE_RIGHT 4 |
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46 | #define ROARDSP_CHAN_BACK_LEFT 5 |
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47 | #define ROARDSP_CHAN_BACK_RIGHT 6 |
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48 | #define ROARDSP_CHAN_FRONT_CENTER 7 |
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49 | #define ROARDSP_CHAN_SIDE_CENTER 8 |
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50 | #define ROARDSP_CHAN_BACK_CENTER 9 |
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51 | |
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52 | #define ROARDSP_CHAN_LEFT ROARDSP_CHAN_FRONT_LEFT |
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53 | #define ROARDSP_CHAN_RIGHT ROARDSP_CHAN_FRONT_RIGHT |
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54 | #define ROARDSP_CHAN_CENTER ROARDSP_CHAN_FRONT_CENTER |
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55 | #define ROARDSP_CHAN_MONO ROARDSP_CHAN_CENTER |
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56 | |
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57 | #define ROARDSP_CHAN_MS_MID 10 |
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58 | #define ROARDSP_CHAN_MS_SIDE 11 |
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59 | |
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60 | #define ROARDSP_CHAN_LFE 12 |
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61 | |
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62 | #define ROARDSP_CHANMAP_IN 0 |
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63 | #define ROARDSP_CHANMAP_OUT 1 |
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64 | #define ROARDSP_CHANMAP_MAP 2 |
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65 | |
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66 | struct roardsp_chanmap { |
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67 | char in [ROAR_MAX_CHANNELS]; |
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68 | char out[ROAR_MAX_CHANNELS]; |
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69 | char map[ROAR_MAX_CHANNELS]; |
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70 | }; |
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71 | |
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72 | char * roardsp_chan2str (int chan); |
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73 | int roardsp_str2chan(char * str); |
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74 | |
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75 | int roardsp_chanlist2str(int * list, size_t len, char * str, size_t strlen); |
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76 | |
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77 | int roardsp_chanmap_calc(struct roardsp_chanmap * map, int what, int err_on_none); |
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78 | |
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79 | #endif |
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80 | |
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81 | //ll |
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