--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/linux/native/libjsound/PLATFORM_API_LinuxOS_ALSA_MidiOut.c Fri Mar 23 09:51:02 2018 +0100
@@ -0,0 +1,179 @@
+/*
+ * 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.
+ */
+
+#define USE_ERROR
+#define USE_TRACE
+
+#if USE_PLATFORM_MIDI_OUT == TRUE
+
+#include <alsa/asoundlib.h>
+#include "PlatformMidi.h"
+#include "PLATFORM_API_LinuxOS_ALSA_MidiUtils.h"
+
+
+
+static int CHANNEL_MESSAGE_LENGTH[] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, 3, 3, 3, 3, 2, 2, 3 };
+/* 8x 9x Ax Bx Cx Dx Ex */
+
+static int SYSTEM_MESSAGE_LENGTH[] = {
+ -1, 2, 3, 2, -1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1 };
+/* F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF */
+
+
+// the returned length includes the status byte.
+// for illegal messages, -1 is returned.
+static int getShortMessageLength(int status) {
+ int dataLength = 0;
+ if (status < 0xF0) { // channel voice message
+ dataLength = CHANNEL_MESSAGE_LENGTH[(status >> 4) & 0xF];
+ } else {
+ dataLength = SYSTEM_MESSAGE_LENGTH[status & 0xF];
+ }
+ return dataLength;
+}
+
+
+/*
+ * implementation of the platform-dependent
+ * MIDI out functions declared in PlatformMidi.h
+ */
+char* MIDI_OUT_GetErrorStr(INT32 err) {
+ return (char*) getErrorStr(err);
+}
+
+
+INT32 MIDI_OUT_GetNumDevices() {
+ TRACE0("MIDI_OUT_GetNumDevices()\n");
+ return getMidiDeviceCount(SND_RAWMIDI_STREAM_OUTPUT);
+}
+
+
+INT32 MIDI_OUT_GetDeviceName(INT32 deviceIndex, char *name, UINT32 nameLength) {
+ TRACE0("MIDI_OUT_GetDeviceName()\n");
+ return getMidiDeviceName(SND_RAWMIDI_STREAM_OUTPUT, deviceIndex,
+ name, nameLength);
+}
+
+
+INT32 MIDI_OUT_GetDeviceVendor(INT32 deviceIndex, char *name, UINT32 nameLength) {
+ TRACE0("MIDI_OUT_GetDeviceVendor()\n");
+ return getMidiDeviceVendor(deviceIndex, name, nameLength);
+}
+
+
+INT32 MIDI_OUT_GetDeviceDescription(INT32 deviceIndex, char *name, UINT32 nameLength) {
+ TRACE0("MIDI_OUT_GetDeviceDescription()\n");
+ return getMidiDeviceDescription(SND_RAWMIDI_STREAM_OUTPUT, deviceIndex,
+ name, nameLength);
+}
+
+
+INT32 MIDI_OUT_GetDeviceVersion(INT32 deviceIndex, char *name, UINT32 nameLength) {
+ TRACE0("MIDI_OUT_GetDeviceVersion()\n");
+ return getMidiDeviceVersion(deviceIndex, name, nameLength);
+}
+
+
+/* *************************** MidiOutDevice implementation *************** */
+
+INT32 MIDI_OUT_OpenDevice(INT32 deviceIndex, MidiDeviceHandle** handle) {
+ TRACE1("MIDI_OUT_OpenDevice(): deviceIndex: %d\n", (int) deviceIndex);
+ return openMidiDevice(SND_RAWMIDI_STREAM_OUTPUT, deviceIndex, handle);
+}
+
+
+INT32 MIDI_OUT_CloseDevice(MidiDeviceHandle* handle) {
+ TRACE0("MIDI_OUT_CloseDevice()\n");
+ return closeMidiDevice(handle);
+}
+
+
+INT64 MIDI_OUT_GetTimeStamp(MidiDeviceHandle* handle) {
+ return getMidiTimestamp(handle);
+}
+
+
+INT32 MIDI_OUT_SendShortMessage(MidiDeviceHandle* handle, UINT32 packedMsg,
+ UINT32 timestamp) {
+ int err;
+ int status;
+ int data1;
+ int data2;
+ char buffer[3];
+
+ TRACE2("> MIDI_OUT_SendShortMessage() %x, time: %u\n", packedMsg, (unsigned int) timestamp);
+ if (!handle) {
+ ERROR0("< ERROR: MIDI_OUT_SendShortMessage(): handle is NULL\n");
+ return MIDI_INVALID_HANDLE;
+ }
+ if (!handle->deviceHandle) {
+ ERROR0("< ERROR: MIDI_OUT_SendLongMessage(): native handle is NULL\n");
+ return MIDI_INVALID_HANDLE;
+ }
+ status = (packedMsg & 0xFF);
+ buffer[0] = (char) status;
+ buffer[1] = (char) ((packedMsg >> 8) & 0xFF);
+ buffer[2] = (char) ((packedMsg >> 16) & 0xFF);
+ TRACE4("status: %d, data1: %d, data2: %d, length: %d\n", (int) buffer[0], (int) buffer[1], (int) buffer[2], getShortMessageLength(status));
+ err = snd_rawmidi_write((snd_rawmidi_t*) handle->deviceHandle, buffer, getShortMessageLength(status));
+ if (err < 0) {
+ ERROR1(" ERROR: MIDI_OUT_SendShortMessage(): snd_rawmidi_write() returned %d\n", err);
+ }
+
+ TRACE0("< MIDI_OUT_SendShortMessage()\n");
+ return err;
+}
+
+
+INT32 MIDI_OUT_SendLongMessage(MidiDeviceHandle* handle, UBYTE* data,
+ UINT32 size, UINT32 timestamp) {
+ int err;
+
+ TRACE2("> MIDI_OUT_SendLongMessage() size %u, time: %u\n", (unsigned int) size, (unsigned int) timestamp);
+ if (!handle) {
+ ERROR0("< ERROR: MIDI_OUT_SendLongMessage(): handle is NULL\n");
+ return MIDI_INVALID_HANDLE;
+ }
+ if (!handle->deviceHandle) {
+ ERROR0("< ERROR: MIDI_OUT_SendLongMessage(): native handle is NULL\n");
+ return MIDI_INVALID_HANDLE;
+ }
+ if (!data) {
+ ERROR0("< ERROR: MIDI_OUT_SendLongMessage(): data is NULL\n");
+ return MIDI_INVALID_HANDLE;
+ }
+ err = snd_rawmidi_write((snd_rawmidi_t*) handle->deviceHandle,
+ data, size);
+ if (err < 0) {
+ ERROR1(" ERROR: MIDI_OUT_SendLongMessage(): snd_rawmidi_write() returned %d\n", err);
+ }
+
+ TRACE0("< MIDI_OUT_SendLongMessage()\n");
+ return err;
+}
+
+
+#endif /* USE_PLATFORM_MIDI_OUT */