1/*
2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26/*****************************************************************************/
27/*
28**      Native functions for interfacing Java with the native implementation
29**      of PlatformMidi.h's functions.
30*/
31/*****************************************************************************/
32
33#define USE_ERROR
34#define USE_TRACE
35
36
37#include <jni.h>
38#include "SoundDefs.h"
39#include "PlatformMidi.h"
40#include "Utilities.h"
41#include "com_sun_media_sound_MidiOutDevice.h"
42
43
44// NATIVE METHODS
45
46
47JNIEXPORT jlong JNICALL
48Java_com_sun_media_sound_MidiOutDevice_nOpen(JNIEnv* e, jobject thisObj, jint index) {
49
50    void* deviceHandle = NULL;
51    INT32 err = MIDI_NOT_SUPPORTED;
52
53    TRACE1("Java_com_sun_media_sound_MidiOutDevice_nOpen: index: %d\n", index);
54
55#if USE_PLATFORM_MIDI_OUT == TRUE
56    err = MIDI_OUT_OpenDevice((INT32) index, (MidiDeviceHandle**) (&deviceHandle));
57#endif
58
59    // if we didn't get a valid handle, throw a MidiUnavailableException
60    if (!deviceHandle) {
61        ERROR0("Java_com_sun_media_sound_MidiOutDevice_nOpen:");
62        ThrowJavaMessageException(e, JAVA_MIDI_PACKAGE_NAME"/MidiUnavailableException",
63                                  MIDI_OUT_InternalGetErrorString(err));
64    } else {
65        TRACE0("Java_com_sun_media_sound_MidiOutDevice_nOpen succeeded\n");
66    }
67    return (jlong) (INT_PTR) deviceHandle;
68}
69
70
71JNIEXPORT void JNICALL
72Java_com_sun_media_sound_MidiOutDevice_nClose(JNIEnv* e, jobject thisObj, jlong deviceHandle) {
73
74    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nClose.\n");
75
76#if USE_PLATFORM_MIDI_OUT == TRUE
77    MIDI_OUT_CloseDevice((MidiDeviceHandle*) (UINT_PTR) deviceHandle);
78#endif
79
80    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nClose succeeded\n");
81}
82
83
84JNIEXPORT jlong JNICALL
85Java_com_sun_media_sound_MidiOutDevice_nGetTimeStamp(JNIEnv* e, jobject thisObj, jlong deviceHandle) {
86
87    jlong ret = -1;
88
89    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nGetTimeStamp.\n");
90
91#if USE_PLATFORM_MIDI_OUT == TRUE
92    ret = (jlong) MIDI_OUT_GetTimeStamp((MidiDeviceHandle*) (UINT_PTR) deviceHandle);
93#endif
94
95    /* Handle error codes. */
96    if (ret < -1) {
97        ERROR1("Java_com_sun_media_sound_MidiOutDevice_nGetTimeStamp: MIDI_IN_GetTimeStamp returned %lld\n", ret);
98        ret = -1;
99    }
100    return ret;
101}
102
103
104JNIEXPORT void JNICALL
105Java_com_sun_media_sound_MidiOutDevice_nSendShortMessage(JNIEnv* e, jobject thisObj, jlong deviceHandle,
106                                                         jint packedMsg, jlong timeStamp) {
107
108    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendShortMessage.\n");
109
110#if USE_PLATFORM_MIDI_OUT == TRUE
111    MIDI_OUT_SendShortMessage((MidiDeviceHandle*) (UINT_PTR) deviceHandle,
112                              (UINT32) packedMsg, (UINT32)timeStamp);
113#endif
114
115    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendShortMessage succeeded\n");
116}
117
118
119JNIEXPORT void JNICALL
120Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage(JNIEnv* e, jobject thisObj, jlong deviceHandle,
121                                                        jbyteArray jData, jint size, jlong timeStamp) {
122#if USE_PLATFORM_MIDI_OUT == TRUE
123    UBYTE* data;
124#endif
125
126    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage.\n");
127
128#if USE_PLATFORM_MIDI_OUT == TRUE
129    data = (UBYTE*) ((*e)->GetByteArrayElements(e, jData, NULL));
130    if (!data) {
131        ERROR0("MidiOutDevice: Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage: could not get array elements\n");
132        return;
133    }
134    /* "continuation" sysex messages start with F7 (instead of F0), but
135       are sent without the F7. */
136    if (data[0] == 0xF7) {
137        data++;
138        size--;
139    }
140    MIDI_OUT_SendLongMessage((MidiDeviceHandle*) (UINT_PTR) deviceHandle, data,
141                             (UINT32) size, (UINT32)timeStamp);
142    // release the byte array
143    (*e)->ReleaseByteArrayElements(e, jData, (jbyte*) data, JNI_ABORT);
144#endif
145
146    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage succeeded\n");
147}
148