--- a/src/java.desktop/unix/native/libjsound/PLATFORM_API_LinuxOS_ALSA_CommonUtils.c Fri Mar 23 11:18:39 2018 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,187 +0,0 @@
-/*
- * Copyright (c) 2003, 2015, 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
-
-#include "PLATFORM_API_LinuxOS_ALSA_CommonUtils.h"
-
-static void alsaDebugOutput(const char *file, int line, const char *function, int err, const char *fmt, ...) {
-#ifdef USE_ERROR
- va_list args;
- va_start(args, fmt);
- printf("%s:%d function %s: error %d: %s\n", file, line, function, err, snd_strerror(err));
- if (strlen(fmt) > 0) {
- vprintf(fmt, args);
- }
- va_end(args);
-#endif
-}
-
-static int alsa_inited = 0;
-static int alsa_enumerate_pcm_subdevices = FALSE; // default: no
-static int alsa_enumerate_midi_subdevices = FALSE; // default: no
-
-/*
- * Declare library specific JNI_Onload entry if static build
- */
-DEF_STATIC_JNI_OnLoad
-
-void initAlsaSupport() {
- char* enumerate;
- if (!alsa_inited) {
- alsa_inited = TRUE;
- snd_lib_error_set_handler(&alsaDebugOutput);
-
- enumerate = getenv(ENV_ENUMERATE_PCM_SUBDEVICES);
- if (enumerate != NULL && strlen(enumerate) > 0
- && (enumerate[0] != 'f') // false
- && (enumerate[0] != 'F') // False
- && (enumerate[0] != 'n') // no
- && (enumerate[0] != 'N')) { // NO
- alsa_enumerate_pcm_subdevices = TRUE;
- }
-#ifdef ALSA_MIDI_ENUMERATE_SUBDEVICES
- alsa_enumerate_midi_subdevices = TRUE;
-#endif
- }
-}
-
-
-/* if true (non-zero), ALSA sub devices should be listed as separate devices
- */
-int needEnumerateSubdevices(int isMidi) {
- initAlsaSupport();
- return isMidi ? alsa_enumerate_midi_subdevices
- : alsa_enumerate_pcm_subdevices;
-}
-
-
-/*
- * deviceID contains packed card, device and subdevice numbers
- * each number takes 10 bits
- * "default" device has id == ALSA_DEFAULT_DEVICE_ID
- */
-UINT32 encodeDeviceID(int card, int device, int subdevice) {
- return (((card & 0x3FF) << 20) | ((device & 0x3FF) << 10)
- | (subdevice & 0x3FF)) + 1;
-}
-
-
-void decodeDeviceID(UINT32 deviceID, int* card, int* device, int* subdevice,
- int isMidi) {
- deviceID--;
- *card = (deviceID >> 20) & 0x3FF;
- *device = (deviceID >> 10) & 0x3FF;
- if (needEnumerateSubdevices(isMidi)) {
- *subdevice = deviceID & 0x3FF;
- } else {
- *subdevice = -1; // ALSA will choose any subdevices
- }
-}
-
-
-void getDeviceString(char* buffer, int card, int device, int subdevice,
- int usePlugHw, int isMidi) {
- if (needEnumerateSubdevices(isMidi)) {
- sprintf(buffer, "%s:%d,%d,%d",
- usePlugHw ? ALSA_PLUGHARDWARE : ALSA_HARDWARE,
- card, device, subdevice);
- } else {
- sprintf(buffer, "%s:%d,%d",
- usePlugHw ? ALSA_PLUGHARDWARE : ALSA_HARDWARE,
- card, device);
- }
-}
-
-
-void getDeviceStringFromDeviceID(char* buffer, UINT32 deviceID,
- int usePlugHw, int isMidi) {
- int card, device, subdevice;
-
- if (deviceID == ALSA_DEFAULT_DEVICE_ID) {
- strcpy(buffer, ALSA_DEFAULT_DEVICE_NAME);
- } else {
- decodeDeviceID(deviceID, &card, &device, &subdevice, isMidi);
- getDeviceString(buffer, card, device, subdevice, usePlugHw, isMidi);
- }
-}
-
-
-static int hasGottenALSAVersion = FALSE;
-#define ALSAVersionString_LENGTH 200
-static char ALSAVersionString[ALSAVersionString_LENGTH];
-
-void getALSAVersion(char* buffer, int len) {
- if (!hasGottenALSAVersion) {
- // get alsa version from proc interface
- FILE* file;
- int curr, len, totalLen, inVersionString;
- file = fopen(ALSA_VERSION_PROC_FILE, "r");
- ALSAVersionString[0] = 0;
- if (file) {
- if (NULL != fgets(ALSAVersionString, ALSAVersionString_LENGTH, file)) {
- // parse for version number
- totalLen = strlen(ALSAVersionString);
- inVersionString = FALSE;
- len = 0;
- curr = 0;
- while (curr < totalLen) {
- if (!inVersionString) {
- // is this char the beginning of a version string ?
- if (ALSAVersionString[curr] >= '0'
- && ALSAVersionString[curr] <= '9') {
- inVersionString = TRUE;
- }
- }
- if (inVersionString) {
- // the version string ends with white space
- if (ALSAVersionString[curr] <= 32) {
- break;
- }
- if (curr != len) {
- // copy this char to the beginning of the string
- ALSAVersionString[len] = ALSAVersionString[curr];
- }
- len++;
- }
- curr++;
- }
- // remove trailing dots
- while ((len > 0) && (ALSAVersionString[len - 1] == '.')) {
- len--;
- }
- // null terminate
- ALSAVersionString[len] = 0;
- }
- fclose(file);
- hasGottenALSAVersion = TRUE;
- }
- }
- strncpy(buffer, ALSAVersionString, len);
-}
-
-
-/* end */