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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