| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include <alsa/asoundlib.h> |
| 27 | #include "Utilities.h" |
| 28 | #include "PlatformMidi.h" |
| 29 | |
| 30 | |
| 31 | #ifndef PLATFORM_API_LINUXOS_ALSA_MIDIUTILS_H_INCLUDED |
| 32 | #define PLATFORM_API_LINUXOS_ALSA_MIDIUTILS_H_INCLUDED |
| 33 | |
| 34 | #define EVENT_PARSER_BUFSIZE (2048) |
| 35 | |
| 36 | // if this is defined, use plughw: devices |
| 37 | //#define ALSA_MIDI_USE_PLUGHW |
| 38 | #undef ALSA_MIDI_USE_PLUGHW |
| 39 | |
| 40 | typedef struct tag_ALSA_MIDIDeviceDescription { |
| 41 | int index; // in |
| 42 | int strLen; // in |
| 43 | INT32 deviceID; // out |
| 44 | char* name; // out |
| 45 | char* description; // out |
| 46 | } ALSA_MIDIDeviceDescription; |
| 47 | |
| 48 | |
| 49 | const char* getErrorStr(INT32 err); |
| 50 | |
| 51 | /* Returns the number of devices. */ |
| 52 | /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| 53 | SND_RAWMIDI_STREAM_INPUT. */ |
| 54 | int getMidiDeviceCount(snd_rawmidi_stream_t direction); |
| 55 | |
| 56 | /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| 57 | /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| 58 | SND_RAWMIDI_STREAM_INPUT. */ |
| 59 | int getMidiDeviceName(snd_rawmidi_stream_t direction, int index, |
| 60 | char *name, UINT32 nameLength); |
| 61 | |
| 62 | /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| 63 | int getMidiDeviceVendor(int index, char *name, UINT32 nameLength); |
| 64 | |
| 65 | /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| 66 | /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| 67 | SND_RAWMIDI_STREAM_INPUT. */ |
| 68 | int getMidiDeviceDescription(snd_rawmidi_stream_t direction, int index, |
| 69 | char *name, UINT32 nameLength); |
| 70 | |
| 71 | /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| 72 | int getMidiDeviceVersion(int index, char *name, UINT32 nameLength); |
| 73 | |
| 74 | // returns 0 on success, otherwise MIDI_OUT_OF_MEMORY or ALSA error code |
| 75 | /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| 76 | SND_RAWMIDI_STREAM_INPUT. */ |
| 77 | INT32 openMidiDevice(snd_rawmidi_stream_t direction, INT32 deviceIndex, |
| 78 | MidiDeviceHandle** handle); |
| 79 | |
| 80 | // returns 0 on success, otherwise a (negative) ALSA error code |
| 81 | INT32 closeMidiDevice(MidiDeviceHandle* handle); |
| 82 | |
| 83 | INT64 getMidiTimestamp(MidiDeviceHandle* handle); |
| 84 | |
| 85 | #endif // PLATFORM_API_LINUXOS_ALSA_MIDIUTILS_H_INCLUDED |