/*

 * 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

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 */

#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