| /* |
| * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <alsa/asoundlib.h> |
| #include "Utilities.h" |
| #include "PlatformMidi.h" |
| |
| |
| #ifndef PLATFORM_API_LINUXOS_ALSA_MIDIUTILS_H_INCLUDED |
| #define PLATFORM_API_LINUXOS_ALSA_MIDIUTILS_H_INCLUDED |
| |
| #define EVENT_PARSER_BUFSIZE (2048) |
| |
| // if this is defined, use plughw: devices |
| //#define ALSA_MIDI_USE_PLUGHW |
| #undef ALSA_MIDI_USE_PLUGHW |
| |
| typedef struct tag_ALSA_MIDIDeviceDescription { |
| int index; // in |
| int strLen; // in |
| INT32 deviceID; // out |
| char* name; // out |
| char* description; // out |
| } ALSA_MIDIDeviceDescription; |
| |
| |
| const char* getErrorStr(INT32 err); |
| |
| /* Returns the number of devices. */ |
| /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| SND_RAWMIDI_STREAM_INPUT. */ |
| int getMidiDeviceCount(snd_rawmidi_stream_t direction); |
| |
| /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| SND_RAWMIDI_STREAM_INPUT. */ |
| int getMidiDeviceName(snd_rawmidi_stream_t direction, int index, |
| char *name, UINT32 nameLength); |
| |
| /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| int getMidiDeviceVendor(int index, char *name, UINT32 nameLength); |
| |
| /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| SND_RAWMIDI_STREAM_INPUT. */ |
| int getMidiDeviceDescription(snd_rawmidi_stream_t direction, int index, |
| char *name, UINT32 nameLength); |
| |
| /* Returns MIDI_SUCCESS or MIDI_INVALID_DEVICEID */ |
| int getMidiDeviceVersion(int index, char *name, UINT32 nameLength); |
| |
| // returns 0 on success, otherwise MIDI_OUT_OF_MEMORY or ALSA error code |
| /* direction is either SND_RAWMIDI_STREAM_OUTPUT or |
| SND_RAWMIDI_STREAM_INPUT. */ |
| INT32 openMidiDevice(snd_rawmidi_stream_t direction, INT32 deviceIndex, |
| MidiDeviceHandle** handle); |
| |
| // returns 0 on success, otherwise a (negative) ALSA error code |
| INT32 closeMidiDevice(MidiDeviceHandle* handle); |
| |
| INT64 getMidiTimestamp(MidiDeviceHandle* handle); |
| |
| #endif // PLATFORM_API_LINUXOS_ALSA_MIDIUTILS_H_INCLUDED |