1 /* |
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 #include <alsa/asoundlib.h> |
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27 #include "Utilities.h" |
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28 |
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29 #ifndef PLATFORM_API_BSDOS_ALSA_COMMONUTILS_H_INCLUDED |
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30 #define PLATFORM_API_BSDOS_ALSA_COMMONUTILS_H_INCLUDED |
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31 |
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32 #define ALSA_VERSION_PROC_FILE "/proc/asound/version" |
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33 #define ALSA_HARDWARE "hw" |
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34 #define ALSA_HARDWARE_CARD ALSA_HARDWARE":%d" |
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35 #define ALSA_HARDWARE_DEVICE ALSA_HARDWARE_CARD",%d" |
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36 #define ALSA_HARDWARE_SUBDEVICE ALSA_HARDWARE_DEVICE",%d" |
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37 |
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38 #define ALSA_PLUGHARDWARE "plughw" |
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39 #define ALSA_DEFAULT_DEVICE_NAME "default" |
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40 |
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41 #define ALSA_DEFAULT_DEVICE_ID (0) |
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42 |
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43 #define ALSA_PCM (0) |
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44 #define ALSA_RAWMIDI (1) |
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45 |
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46 // for use in info objects |
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47 #define ALSA_VENDOR "ALSA (http://www.alsa-project.org)" |
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48 |
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49 // Environment variable for inclusion of subdevices in device listing. |
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50 // If this variable is unset or "no", then subdevices are ignored, and |
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51 // it's ALSA's choice which one to use (enables hardware mixing) |
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52 #define ENV_ENUMERATE_PCM_SUBDEVICES "ALSA_ENUMERATE_PCM_SUBDEVICES" |
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53 |
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54 // if defined, subdevices are listed. |
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55 //#undef ALSA_MIDI_ENUMERATE_SUBDEVICES |
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56 #define ALSA_MIDI_ENUMERATE_SUBDEVICES |
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57 |
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58 // must be called before any ALSA calls |
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59 void initAlsaSupport(); |
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60 |
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61 /* if true (non-zero), ALSA sub devices should be listed as separate devices |
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62 */ |
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63 int needEnumerateSubdevices(int isMidi); |
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64 |
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65 |
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66 /* |
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67 * deviceID contains packed card, device and subdevice numbers |
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68 * each number takes 10 bits |
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69 * "default" device has id == ALSA_DEFAULT_DEVICE_ID |
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70 */ |
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71 UINT32 encodeDeviceID(int card, int device, int subdevice); |
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72 |
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73 void decodeDeviceID(UINT32 deviceID, int* card, int* device, int* subdevice, |
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74 int isMidi); |
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75 |
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76 void getDeviceStringFromDeviceID(char* buffer, UINT32 deviceID, |
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77 int usePlugHw, int isMidi); |
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78 |
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79 void getALSAVersion(char* buffer, int len); |
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80 |
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81 |
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82 #endif // PLATFORM_API_BSDOS_ALSA_COMMONUTILS_H_INCLUDED |
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