1 | //driver_portaudio.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 | * |
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6 | * This file is part of roard 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 | * RoarAudio 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, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #ifndef _DRIVER_PORTAUDIO_H_ |
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27 | #define _DRIVER_PORTAUDIO_H_ |
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28 | |
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29 | #ifdef ROAR_HAVE_LIBPORTAUDIO |
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30 | #if defined(ROAR_HAVE_LIBPABLIO) || defined(ROAR_HAVE_PA19_VERSION_19) |
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31 | #define _DRIVER_PORTAUDIO_CAN_OPERATE |
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32 | #endif |
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33 | #endif |
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34 | |
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35 | #ifdef _DRIVER_PORTAUDIO_CAN_OPERATE |
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36 | |
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37 | struct driver_portaudio { |
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38 | #ifdef ROAR_HAVE_LIBPABLIO |
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39 | PABLIO_Stream * ostream; |
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40 | #elif defined(ROAR_HAVE_PA19_VERSION_19) |
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41 | PaStream *stream; |
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42 | int framesize; |
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43 | #endif |
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44 | }; |
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45 | |
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46 | typedef struct { |
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47 | /* |
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48 | params.device = Pa_GetDefaultOutputDevice(); |
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49 | params.channelCount = info->channels; |
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50 | params.sampleFormat = fmt; |
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51 | params.suggestedLatency = Pa_GetDeviceInfo(params.device)->defaultLowOutputLatency; |
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52 | params.hostApiSpecificStreamInfo = NULL; |
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53 | */ |
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54 | void * device; |
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55 | int channelCount; |
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56 | PaSampleFormat sampleFormat; |
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57 | int suggestedLatency; |
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58 | void * hostApiSpecificStreamInfo; |
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59 | } PaStreamParameters; |
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60 | |
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61 | #define paOutputUnderflowed -1 |
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62 | |
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63 | void * Pa_GetDefaultOutputDevice(void); |
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64 | // Pa_WriteStream(device->stream, buf, write_frames); |
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65 | PaError Pa_WriteStream(PaStream * stream, void *, size_t); |
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66 | PaError Pa_StartStream(PaStream * stream); |
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67 | PaError Pa_StopStream(PaStream * stream); |
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68 | PaError Pa_CloseStream(PaStream * stream); |
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69 | |
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70 | int driver_portaudio_open(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream); |
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71 | |
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72 | int driver_portaudio_close (struct roar_vio_calls * vio); |
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73 | ssize_t driver_portaudio_write (struct roar_vio_calls * vio, void *buf, size_t count); |
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74 | int driver_portaudio_sync (struct roar_vio_calls * vio); |
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75 | int driver_portaudio_ctl (struct roar_vio_calls * vio, int cmd, void * data); |
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76 | |
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77 | #endif |
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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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