1 | //roar.h: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011 |
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5 | * Copyright (C) Hans-Kristian 'maister' Arntzen - 2010 |
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6 | * |
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7 | * This file is part of libroar a part of RoarAudio, |
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8 | * a cross-platform sound system for both, home and professional use. |
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9 | * See README for details. |
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10 | * |
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11 | * This file is free software; you can redistribute it and/or modify |
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12 | * it under the terms of the GNU General Public License version 3 |
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13 | * as published by the Free Software Foundation. |
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14 | * |
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15 | * libroar is distributed in the hope that it will be useful, |
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | * GNU General Public License for more details. |
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19 | * |
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20 | * You should have received a copy of the GNU General Public License |
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21 | * along with this software; see the file COPYING. If not, write to |
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22 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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23 | * Boston, MA 02110-1301, USA. |
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24 | * |
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25 | * NOTE for everyone want's to change something and send patches: |
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26 | * read README and HACKING! There a addition information on |
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27 | * the license of this document you need to read before you send |
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28 | * any patches. |
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29 | * |
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30 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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31 | * or libpulse*: |
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32 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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33 | * and are therefore GPL. Because of this it may be illigal to use |
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34 | * them with any software that uses libesd, libartsc or libpulse*. |
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35 | */ |
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36 | |
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37 | #ifndef _ROARAUDIO_PLUGINS_ALSA_ROAR_H_ |
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38 | #define _ROARAUDIO_PLUGINS_ALSA_ROAR_H_ |
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39 | |
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40 | #include <roaraudio.h> |
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41 | #include <errno.h> |
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42 | #include <alsa/asoundlib.h> |
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43 | #include <alsa/global.h> |
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44 | #include <alsa/pcm_external.h> |
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45 | #include <alsa/control_external.h> |
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46 | #include <pthread.h> |
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47 | #include <time.h> |
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48 | |
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49 | #define _as(x) (sizeof((x))/sizeof(*(x))) |
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50 | |
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51 | struct roar_alsa { |
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52 | struct roar_connection con; |
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53 | }; |
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54 | |
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55 | struct roar_alsa_pcm { |
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56 | snd_pcm_ioplug_t io; |
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57 | struct roar_alsa roar; |
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58 | struct roar_audio_info info; |
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59 | struct roar_stream stream; |
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60 | struct roar_vio_calls stream_vio; |
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61 | int stream_opened; |
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62 | size_t writec; |
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63 | size_t last_ptr; |
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64 | char* buffer; |
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65 | size_t bufsize; |
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66 | volatile size_t bufptr; |
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67 | pthread_t thread; |
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68 | pthread_mutex_t lock; |
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69 | pthread_mutex_t cond_lock; |
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70 | pthread_cond_t cond; |
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71 | volatile int thread_active; |
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72 | int bytes_in_buffer; |
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73 | volatile int64_t total_written; |
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74 | int has_written; |
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75 | struct timespec start_tv; |
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76 | }; |
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77 | |
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78 | void roar_reset(struct roar_alsa_pcm * self); |
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79 | void* roar_thread (void * thread_data); |
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80 | size_t roar_write(struct roar_alsa_pcm * self, const char * buf, size_t size); |
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81 | void roar_drain(struct roar_alsa_pcm * self); |
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82 | |
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83 | #endif |
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84 | |
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85 | //ll |
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