| 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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