jdk/src/java.desktop/share/native/libjsound/MidiOutDevice.c
changeset 25859 3317bb8137f4
parent 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/native/libjsound/MidiOutDevice.c	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 1999, 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.
+ */
+
+/*****************************************************************************/
+/*
+**      Native functions for interfacing Java with the native implementation
+**      of PlatformMidi.h's functions.
+*/
+/*****************************************************************************/
+
+#define USE_ERROR
+#define USE_TRACE
+
+
+#include <jni.h>
+#include "SoundDefs.h"
+#include "PlatformMidi.h"
+#include "Utilities.h"
+#include "com_sun_media_sound_MidiOutDevice.h"
+
+
+// NATIVE METHODS
+
+
+JNIEXPORT jlong JNICALL
+Java_com_sun_media_sound_MidiOutDevice_nOpen(JNIEnv* e, jobject thisObj, jint index) {
+
+    void* deviceHandle = NULL;
+    INT32 err = MIDI_NOT_SUPPORTED;
+
+    TRACE1("Java_com_sun_media_sound_MidiOutDevice_nOpen: index: %d\n", index);
+
+#if USE_PLATFORM_MIDI_OUT == TRUE
+    err = MIDI_OUT_OpenDevice((INT32) index, (MidiDeviceHandle**) (&deviceHandle));
+#endif
+
+    // if we didn't get a valid handle, throw a MidiUnavailableException
+    if (!deviceHandle) {
+        ERROR0("Java_com_sun_media_sound_MidiOutDevice_nOpen:");
+        ThrowJavaMessageException(e, JAVA_MIDI_PACKAGE_NAME"/MidiUnavailableException",
+                                  MIDI_OUT_InternalGetErrorString(err));
+    } else {
+        TRACE0("Java_com_sun_media_sound_MidiOutDevice_nOpen succeeded\n");
+    }
+    return (jlong) (INT_PTR) deviceHandle;
+}
+
+
+JNIEXPORT void JNICALL
+Java_com_sun_media_sound_MidiOutDevice_nClose(JNIEnv* e, jobject thisObj, jlong deviceHandle) {
+
+    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nClose.\n");
+
+#if USE_PLATFORM_MIDI_OUT == TRUE
+    MIDI_OUT_CloseDevice((MidiDeviceHandle*) (UINT_PTR) deviceHandle);
+#endif
+
+    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nClose succeeded\n");
+}
+
+
+JNIEXPORT jlong JNICALL
+Java_com_sun_media_sound_MidiOutDevice_nGetTimeStamp(JNIEnv* e, jobject thisObj, jlong deviceHandle) {
+
+    jlong ret = -1;
+
+    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nGetTimeStamp.\n");
+
+#if USE_PLATFORM_MIDI_OUT == TRUE
+    ret = (jlong) MIDI_OUT_GetTimeStamp((MidiDeviceHandle*) (UINT_PTR) deviceHandle);
+#endif
+
+    /* Handle error codes. */
+    if (ret < -1) {
+        ERROR1("Java_com_sun_media_sound_MidiOutDevice_nGetTimeStamp: MIDI_IN_GetTimeStamp returned %lld\n", ret);
+        ret = -1;
+    }
+    return ret;
+}
+
+
+JNIEXPORT void JNICALL
+Java_com_sun_media_sound_MidiOutDevice_nSendShortMessage(JNIEnv* e, jobject thisObj, jlong deviceHandle,
+                                                         jint packedMsg, jlong timeStamp) {
+
+    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendShortMessage.\n");
+
+#if USE_PLATFORM_MIDI_OUT == TRUE
+    MIDI_OUT_SendShortMessage((MidiDeviceHandle*) (UINT_PTR) deviceHandle,
+                              (UINT32) packedMsg, (UINT32)timeStamp);
+#endif
+
+    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendShortMessage succeeded\n");
+}
+
+
+JNIEXPORT void JNICALL
+Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage(JNIEnv* e, jobject thisObj, jlong deviceHandle,
+                                                        jbyteArray jData, jint size, jlong timeStamp) {
+#if USE_PLATFORM_MIDI_OUT == TRUE
+    UBYTE* data;
+#endif
+
+    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage.\n");
+
+#if USE_PLATFORM_MIDI_OUT == TRUE
+    data = (UBYTE*) ((*e)->GetByteArrayElements(e, jData, NULL));
+    if (!data) {
+        ERROR0("MidiOutDevice: Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage: could not get array elements\n");
+        return;
+    }
+    /* "continuation" sysex messages start with F7 (instead of F0), but
+       are sent without the F7. */
+    if (data[0] == 0xF7) {
+        data++;
+        size--;
+    }
+    MIDI_OUT_SendLongMessage((MidiDeviceHandle*) (UINT_PTR) deviceHandle, data,
+                             (UINT32) size, (UINT32)timeStamp);
+    // release the byte array
+    (*e)->ReleaseByteArrayElements(e, jData, (jbyte*) data, JNI_ABORT);
+#endif
+
+    TRACE0("Java_com_sun_media_sound_MidiOutDevice_nSendLongMessage succeeded\n");
+}