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