| 1 | //driver_wmm.h: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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| 25 | #ifndef _DRIVER_WMM_H_ |
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| 26 | #define _DRIVER_WMM_H_ |
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| 27 | |
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| 28 | #include <roaraudio.h> |
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| 29 | |
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| 30 | #ifdef ROAR_HAVE_LIBWINMM |
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| 31 | |
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| 32 | struct driver_wmm { |
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| 33 | UINT id; /* device id */ |
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| 34 | HWAVEOUT hwo; /* waveout handler */ |
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| 35 | WAVEOUTCAPS caps; /* device caps */ |
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| 36 | WAVEFORMATEX wavefmt; /* sample format */ |
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| 37 | |
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| 38 | int opened; /* device has been opened */ |
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| 39 | int prepared; /* waveheaders have been prepared */ |
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| 40 | int blocks; /* number of blocks (wave headers) */ |
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| 41 | int splPerBlock; /* sample per blocks. */ |
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| 42 | int msPerBlock; /* millisecond per block (approx.) */ |
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| 43 | |
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| 44 | void * bigbuffer; /* Allocated buffer for waveheaders and sound data */ |
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| 45 | struct { |
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| 46 | WAVEHDR wh; /* waveheader */ |
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| 47 | char * data; /* sample data ptr */ |
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| 48 | int idx; /* index of this header */ |
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| 49 | int count; /* current byte count */ |
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| 50 | int length; /* size of data */ |
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| 51 | int sent; /* set when header is sent to device */ |
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| 52 | } * wh; /* Pointer to waveheaders in bigbuffer */ |
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| 53 | BYTE * spl; /* Pointer to sound data in bigbuffer */ |
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| 54 | |
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| 55 | int sent_blocks; /* Number of waveheader sent (not ack). */ |
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| 56 | int full_blocks; /* Number of waveheader full (ready to send). */ |
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| 57 | int widx; /* Index to the block being currently filled. */ |
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| 58 | int ridx; /* Index to the block being sent. */ |
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| 59 | }; |
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| 60 | |
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| 61 | int driver_wmm_open_vio(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream); |
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| 62 | int driver_wmm_close_vio(struct roar_vio_calls * vio); |
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| 63 | ssize_t driver_wmm_write(struct roar_vio_calls * vio, void *buf, size_t count); |
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| 64 | |
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| 65 | #endif |
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| 66 | |
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| 67 | #endif |
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| 68 | |
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| 69 | //ll |
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