--- a/src/java.desktop/unix/native/libjsound/PLATFORM_API_BsdOS_ALSA_MidiIn.c Fri Mar 23 18:01:52 2018 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,354 +0,0 @@
-/*
- * Copyright (c) 2003, 2012, 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_IN == TRUE
-
-
-#include <alsa/asoundlib.h>
-#include "PlatformMidi.h"
-#include "PLATFORM_API_BsdOS_ALSA_MidiUtils.h"
-#if defined(i586)
-#include <sys/utsname.h>
-#endif
-
-/*
- * Helper methods
- */
-
-static inline UINT32 packMessage(int status, int data1, int data2) {
- return ((status & 0xFF) | ((data1 & 0xFF) << 8) | ((data2 & 0xFF) << 16));
-}
-
-
-static void setShortMessage(MidiMessage* message,
- int status, int data1, int data2) {
- message->type = SHORT_MESSAGE;
- message->data.s.packedMsg = packMessage(status, data1, data2);
-}
-
-
-static void setRealtimeMessage(MidiMessage* message, int status) {
- setShortMessage(message, status, 0, 0);
-}
-
-
-static void set14bitMessage(MidiMessage* message, int status, int value) {
- TRACE3("14bit value: %d, lsb: %d, msb: %d\n", value, value & 0x7F, (value >> 7) & 0x7F);
- value &= 0x3FFF;
- TRACE3("14bit value (2): %d, lsb: %d, msb: %d\n", value, value & 0x7F, (value >> 7) & 0x7F);
- setShortMessage(message, status,
- value & 0x7F,
- (value >> 7) & 0x7F);
-}
-
-
-/*
- * implementation of the platform-dependent
- * MIDI in functions declared in PlatformMidi.h
- */
-
-char* MIDI_IN_GetErrorStr(INT32 err) {
- return (char*) getErrorStr(err);
-}
-
-INT32 MIDI_IN_GetNumDevices() {
-/* Workaround for 6842956: 32bit app on 64bit bsd
- * gets assertion failure trying to open midiIn ports.
- * Untill the issue is fixed in ALSA
- * (https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4807)
- * report no midi in devices in the configuration.
- */
-#if defined(i586)
- static int jre32onbsd64 = -1;
- if (jre32onbsd64 < 0) {
- jre32onbsd64 = 0;
- /* The workaround may be disabled setting "JAVASOUND_ENABLE_MIDIIN"
- * environment variable.
- */
- if (getenv("JAVASOUND_ENABLE_MIDIIN") == NULL) {
- struct utsname u;
- jre32onbsd64 = 0;
- if (uname(&u) == 0) {
- if (strstr(u.machine, "64") != NULL) {
- TRACE0("jre32 on bsd64 detected - report no midiIn devices\n");
- jre32onbsd64 = 1;
- }
- }
- }
- }
- if (jre32onbsd64) {
- return 0;
- }
-#endif
-
- TRACE0("MIDI_IN_GetNumDevices()\n");
-
- return getMidiDeviceCount(SND_RAWMIDI_STREAM_INPUT);
-}
-
-
-INT32 MIDI_IN_GetDeviceName(INT32 deviceIndex, char *name, UINT32 nameLength) {
- int ret = getMidiDeviceName(SND_RAWMIDI_STREAM_INPUT, deviceIndex,
- name, nameLength);
- return ret;
-}
-
-
-INT32 MIDI_IN_GetDeviceVendor(INT32 deviceIndex, char *name, UINT32 nameLength) {
- int ret = getMidiDeviceVendor(deviceIndex, name, nameLength);
- return ret;
-}
-
-
-INT32 MIDI_IN_GetDeviceDescription(INT32 deviceIndex, char *name, UINT32 nameLength) {
- int ret = getMidiDeviceDescription(SND_RAWMIDI_STREAM_INPUT, deviceIndex,
- name, nameLength);
- return ret;
-}
-
-
-INT32 MIDI_IN_GetDeviceVersion(INT32 deviceIndex, char *name, UINT32 nameLength) {
- int ret = getMidiDeviceVersion(deviceIndex, name, nameLength);
- return ret;
-}
-
-/*************************************************************************/
-
-INT32 MIDI_IN_OpenDevice(INT32 deviceIndex, MidiDeviceHandle** handle) {
- INT32 ret;
- TRACE0("> MIDI_IN_OpenDevice\n");
- ret = openMidiDevice(SND_RAWMIDI_STREAM_INPUT, deviceIndex, handle);
- TRACE1("< MIDI_IN_OpenDevice: returning %d\n", (int) ret);
- return ret;
-}
-
-
-INT32 MIDI_IN_CloseDevice(MidiDeviceHandle* handle) {
- INT32 ret;
- TRACE0("> MIDI_IN_CloseDevice\n");
- ret = closeMidiDevice(handle);
- TRACE1("< MIDI_IN_CloseDevice: returning %d\n", (int) ret);
- return ret;
-}
-
-
-INT32 MIDI_IN_StartDevice(MidiDeviceHandle* handle) {
- TRACE0("MIDI_IN_StartDevice\n");
- return MIDI_SUCCESS;
-}
-
-
-INT32 MIDI_IN_StopDevice(MidiDeviceHandle* handle) {
- TRACE0("MIDI_IN_StopDevice\n");
- return MIDI_SUCCESS;
-}
-
-
-INT64 MIDI_IN_GetTimeStamp(MidiDeviceHandle* handle) {
- return getMidiTimestamp(handle);
-}
-
-
-/* read the next message from the queue */
-MidiMessage* MIDI_IN_GetMessage(MidiDeviceHandle* handle) {
- snd_seq_event_t alsa_message;
- MidiMessage* jdk_message;
- int err;
- char buffer[1];
- int status;
-
- TRACE0("> MIDI_IN_GetMessage\n");
- if (!handle) {
- ERROR0("< ERROR: MIDI_IN_GetMessage(): handle is NULL\n");
- return NULL;
- }
- if (!handle->deviceHandle) {
- ERROR0("< ERROR: MIDI_IN_GetMessage(): native handle is NULL\n");
- return NULL;
- }
- if (!handle->platformData) {
- ERROR0("< ERROR: MIDI_IN_GetMessage(): platformData is NULL\n");
- return NULL;
- }
-
- /* For MIDI In, the device is left in non blocking mode. So if there is
- no data from the device, snd_rawmidi_read() returns with -11 (EAGAIN).
- This results in jumping back to the Java layer. */
- while (TRUE) {
- TRACE0("before snd_rawmidi_read()\n");
- err = snd_rawmidi_read((snd_rawmidi_t*) handle->deviceHandle, buffer, 1);
- TRACE0("after snd_rawmidi_read()\n");
- if (err != 1) {
- ERROR2("< ERROR: MIDI_IN_GetMessage(): snd_rawmidi_read() returned %d : %s\n", err, snd_strerror(err));
- return NULL;
- }
- // printf("received byte: %d\n", buffer[0]);
- err = snd_midi_event_encode_byte((snd_midi_event_t*) handle->platformData,
- (int) buffer[0],
- &alsa_message);
- if (err == 1) {
- break;
- } else if (err < 0) {
- ERROR1("< ERROR: MIDI_IN_GetMessage(): snd_midi_event_encode_byte() returned %d\n", err);
- return NULL;
- }
- }
- jdk_message = (MidiMessage*) calloc(sizeof(MidiMessage), 1);
- if (!jdk_message) {
- ERROR0("< ERROR: MIDI_IN_GetMessage(): out of memory\n");
- return NULL;
- }
- // TODO: tra
- switch (alsa_message.type) {
- case SND_SEQ_EVENT_NOTEON:
- case SND_SEQ_EVENT_NOTEOFF:
- case SND_SEQ_EVENT_KEYPRESS:
- status = (alsa_message.type == SND_SEQ_EVENT_KEYPRESS) ? 0xA0 :
- (alsa_message.type == SND_SEQ_EVENT_NOTEON) ? 0x90 : 0x80;
- status |= alsa_message.data.note.channel;
- setShortMessage(jdk_message, status,
- alsa_message.data.note.note,
- alsa_message.data.note.velocity);
- break;
-
- case SND_SEQ_EVENT_CONTROLLER:
- status = 0xB0 | alsa_message.data.control.channel;
- setShortMessage(jdk_message, status,
- alsa_message.data.control.param,
- alsa_message.data.control.value);
- break;
-
- case SND_SEQ_EVENT_PGMCHANGE:
- case SND_SEQ_EVENT_CHANPRESS:
- status = (alsa_message.type == SND_SEQ_EVENT_PGMCHANGE) ? 0xC0 : 0xD0;
- status |= alsa_message.data.control.channel;
- setShortMessage(jdk_message, status,
- alsa_message.data.control.value, 0);
- break;
-
- case SND_SEQ_EVENT_PITCHBEND:
- status = 0xE0 | alsa_message.data.control.channel;
- // $$mp 2003-09-23:
- // possible hack to work around a bug in ALSA. Necessary for
- // ALSA 0.9.2. May be fixed in newer versions of ALSA.
- // alsa_message.data.control.value ^= 0x2000;
- // TRACE1("pitchbend value: %d\n", alsa_message.data.control.value);
- set14bitMessage(jdk_message, status,
- alsa_message.data.control.value);
- break;
-
- /* System exclusive messages */
-
- case SND_SEQ_EVENT_SYSEX:
- jdk_message->type = LONG_MESSAGE;
- jdk_message->data.l.size = alsa_message.data.ext.len;
- jdk_message->data.l.data = malloc(alsa_message.data.ext.len);
- if (jdk_message->data.l.data == NULL) {
- ERROR0("< ERROR: MIDI_IN_GetMessage(): out of memory\n");
- free(jdk_message);
- jdk_message = NULL;
- } else {
- memcpy(jdk_message->data.l.data, alsa_message.data.ext.ptr, alsa_message.data.ext.len);
- }
- break;
-
- /* System common messages */
-
- case SND_SEQ_EVENT_QFRAME:
- setShortMessage(jdk_message, 0xF1,
- alsa_message.data.control.value & 0x7F, 0);
- break;
-
- case SND_SEQ_EVENT_SONGPOS:
- set14bitMessage(jdk_message, 0xF2,
- alsa_message.data.control.value);
- break;
-
- case SND_SEQ_EVENT_SONGSEL:
- setShortMessage(jdk_message, 0xF3,
- alsa_message.data.control.value & 0x7F, 0);
- break;
-
- case SND_SEQ_EVENT_TUNE_REQUEST:
- setRealtimeMessage(jdk_message, 0xF6);
- break;
-
- /* System realtime messages */
-
- case SND_SEQ_EVENT_CLOCK:
- setRealtimeMessage(jdk_message, 0xF8);
- break;
-
- case SND_SEQ_EVENT_START:
- setRealtimeMessage(jdk_message, 0xFA);
- break;
-
- case SND_SEQ_EVENT_CONTINUE:
- setRealtimeMessage(jdk_message, 0xFB);
- break;
-
- case SND_SEQ_EVENT_STOP:
- setRealtimeMessage(jdk_message, 0xFC);
- break;
-
- case SND_SEQ_EVENT_SENSING:
- setRealtimeMessage(jdk_message, 0xFE);
- break;
-
- case SND_SEQ_EVENT_RESET:
- setRealtimeMessage(jdk_message, 0xFF);
- break;
-
- default:
- ERROR0("< ERROR: MIDI_IN_GetMessage(): unhandled ALSA MIDI message type\n");
- free(jdk_message);
- jdk_message = NULL;
-
- }
-
- // set timestamp
- if (jdk_message != NULL) {
- jdk_message->timestamp = getMidiTimestamp(handle);
- }
- TRACE1("< MIDI_IN_GetMessage: returning %p\n", jdk_message);
- return jdk_message;
-}
-
-
-void MIDI_IN_ReleaseMessage(MidiDeviceHandle* handle, MidiMessage* msg) {
- if (!msg) {
- ERROR0("< ERROR: MIDI_IN_ReleaseMessage(): message is NULL\n");
- return;
- }
- if (msg->type == LONG_MESSAGE && msg->data.l.data) {
- free(msg->data.l.data);
- }
- free(msg);
-}
-
-#endif /* USE_PLATFORM_MIDI_IN */