--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/unix/native/libjsound/PLATFORM_API_SolarisOS_Ports.c Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,600 @@
+/*
+ * Copyright (c) 2002, 2016, 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 "Ports.h"
+#include "PLATFORM_API_SolarisOS_Utils.h"
+
+#if USE_PORTS == TRUE
+
+#define MONITOR_GAIN_STRING "Monitor Gain"
+
+#define ALL_TARGET_PORT_COUNT 6
+
+// define the following to not use audio_prinfo_t.mod_ports
+#define SOLARIS7_COMPATIBLE
+
+// Solaris audio defines
+static int targetPorts[ALL_TARGET_PORT_COUNT] = {
+ AUDIO_SPEAKER,
+ AUDIO_HEADPHONE,
+ AUDIO_LINE_OUT,
+ AUDIO_AUX1_OUT,
+ AUDIO_AUX2_OUT,
+ AUDIO_SPDIF_OUT
+};
+
+static char* targetPortNames[ALL_TARGET_PORT_COUNT] = {
+ "Speaker",
+ "Headphone",
+ "Line Out",
+ "AUX1 Out",
+ "AUX2 Out",
+ "SPDIF Out"
+};
+
+// defined in Ports.h
+static int targetPortJavaSoundMapping[ALL_TARGET_PORT_COUNT] = {
+ PORT_DST_SPEAKER,
+ PORT_DST_HEADPHONE,
+ PORT_DST_LINE_OUT,
+ PORT_DST_UNKNOWN,
+ PORT_DST_UNKNOWN,
+ PORT_DST_UNKNOWN,
+};
+
+#define ALL_SOURCE_PORT_COUNT 7
+
+// Solaris audio defines
+static int sourcePorts[ALL_SOURCE_PORT_COUNT] = {
+ AUDIO_MICROPHONE,
+ AUDIO_LINE_IN,
+ AUDIO_CD,
+ AUDIO_AUX1_IN,
+ AUDIO_AUX2_IN,
+ AUDIO_SPDIF_IN,
+ AUDIO_CODEC_LOOPB_IN
+};
+
+static char* sourcePortNames[ALL_SOURCE_PORT_COUNT] = {
+ "Microphone In",
+ "Line In",
+ "Compact Disc In",
+ "AUX1 In",
+ "AUX2 In",
+ "SPDIF In",
+ "Internal Loopback"
+};
+
+// Ports.h defines
+static int sourcePortJavaSoundMapping[ALL_SOURCE_PORT_COUNT] = {
+ PORT_SRC_MICROPHONE,
+ PORT_SRC_LINE_IN,
+ PORT_SRC_COMPACT_DISC,
+ PORT_SRC_UNKNOWN,
+ PORT_SRC_UNKNOWN,
+ PORT_SRC_UNKNOWN,
+ PORT_SRC_UNKNOWN
+};
+
+struct tag_PortControlID;
+
+typedef struct tag_PortInfo {
+ int fd; // file descriptor of the pseudo device
+ audio_info_t audioInfo;
+ // ports
+ int targetPortCount;
+ int sourcePortCount;
+ // indexes to sourcePorts/targetPorts
+ // contains first target ports, then source ports
+ int ports[ALL_TARGET_PORT_COUNT + ALL_SOURCE_PORT_COUNT];
+ // controls
+ int maxControlCount; // upper bound of number of controls
+ int usedControlIDs; // number of items already filled in controlIDs
+ struct tag_PortControlID* controlIDs; // the control IDs themselves
+} PortInfo;
+
+#define PORT_CONTROL_TYPE_PLAY 0x4000000
+#define PORT_CONTROL_TYPE_RECORD 0x8000000
+#define PORT_CONTROL_TYPE_SELECT_PORT 1
+#define PORT_CONTROL_TYPE_GAIN 2
+#define PORT_CONTROL_TYPE_BALANCE 3
+#define PORT_CONTROL_TYPE_MONITOR_GAIN 10
+#define PORT_CONTROL_TYPE_OUTPUT_MUTED 11
+#define PORT_CONTROL_TYPE_PLAYRECORD_MASK PORT_CONTROL_TYPE_PLAY | PORT_CONTROL_TYPE_RECORD
+#define PORT_CONTROL_TYPE_MASK 0xFFFFFF
+
+
+typedef struct tag_PortControlID {
+ PortInfo* portInfo;
+ INT32 controlType; // PORT_CONTROL_TYPE_XX
+ uint_t port;
+} PortControlID;
+
+
+///// implemented functions of Ports.h
+
+INT32 PORT_GetPortMixerCount() {
+ return (INT32) getAudioDeviceCount();
+}
+
+
+INT32 PORT_GetPortMixerDescription(INT32 mixerIndex, PortMixerDescription* description) {
+ AudioDeviceDescription desc;
+
+ if (getAudioDeviceDescriptionByIndex(mixerIndex, &desc, TRUE)) {
+ strncpy(description->name, desc.name, PORT_STRING_LENGTH-1);
+ description->name[PORT_STRING_LENGTH-1] = 0;
+ strncpy(description->vendor, desc.vendor, PORT_STRING_LENGTH-1);
+ description->vendor[PORT_STRING_LENGTH-1] = 0;
+ strncpy(description->version, desc.version, PORT_STRING_LENGTH-1);
+ description->version[PORT_STRING_LENGTH-1] = 0;
+ /*strncpy(description->description, desc.description, PORT_STRING_LENGTH-1);*/
+ strncpy(description->description, "Solaris Ports", PORT_STRING_LENGTH-1);
+ description->description[PORT_STRING_LENGTH-1] = 0;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
+void* PORT_Open(INT32 mixerIndex) {
+ PortInfo* info = NULL;
+ int fd = -1;
+ AudioDeviceDescription desc;
+ int success = FALSE;
+
+ TRACE0("PORT_Open\n");
+ if (getAudioDeviceDescriptionByIndex(mixerIndex, &desc, FALSE)) {
+ fd = open(desc.pathctl, O_RDWR);
+ }
+ if (fd < 0) {
+ ERROR1("Couldn't open audio device ctl for device %d!\n", mixerIndex);
+ return NULL;
+ }
+
+ info = (PortInfo*) malloc(sizeof(PortInfo));
+ if (info != NULL) {
+ memset(info, 0, sizeof(PortInfo));
+ info->fd = fd;
+ success = TRUE;
+ }
+ if (!success) {
+ if (fd >= 0) {
+ close(fd);
+ }
+ PORT_Close((void*) info);
+ info = NULL;
+ }
+ return info;
+}
+
+void PORT_Close(void* id) {
+ TRACE0("PORT_Close\n");
+ if (id != NULL) {
+ PortInfo* info = (PortInfo*) id;
+ if (info->fd >= 0) {
+ close(info->fd);
+ info->fd = -1;
+ }
+ if (info->controlIDs) {
+ free(info->controlIDs);
+ info->controlIDs = NULL;
+ }
+ free(info);
+ }
+}
+
+
+
+INT32 PORT_GetPortCount(void* id) {
+ int ret = 0;
+ PortInfo* info = (PortInfo*) id;
+ if (info != NULL) {
+ if (!info->targetPortCount && !info->sourcePortCount) {
+ int i;
+ AUDIO_INITINFO(&info->audioInfo);
+ if (ioctl(info->fd, AUDIO_GETINFO, &info->audioInfo) >= 0) {
+ for (i = 0; i < ALL_TARGET_PORT_COUNT; i++) {
+ if (info->audioInfo.play.avail_ports & targetPorts[i]) {
+ info->ports[info->targetPortCount] = i;
+ info->targetPortCount++;
+ }
+#ifdef SOLARIS7_COMPATIBLE
+ TRACE3("Target %d %s: avail=%d\n", i, targetPortNames[i],
+ info->audioInfo.play.avail_ports & targetPorts[i]);
+#else
+ TRACE4("Target %d %s: avail=%d mod=%d\n", i, targetPortNames[i],
+ info->audioInfo.play.avail_ports & targetPorts[i],
+ info->audioInfo.play.mod_ports & targetPorts[i]);
+#endif
+ }
+ for (i = 0; i < ALL_SOURCE_PORT_COUNT; i++) {
+ if (info->audioInfo.record.avail_ports & sourcePorts[i]) {
+ info->ports[info->targetPortCount + info->sourcePortCount] = i;
+ info->sourcePortCount++;
+ }
+#ifdef SOLARIS7_COMPATIBLE
+ TRACE3("Source %d %s: avail=%d\n", i, sourcePortNames[i],
+ info->audioInfo.record.avail_ports & sourcePorts[i]);
+#else
+ TRACE4("Source %d %s: avail=%d mod=%d\n", i, sourcePortNames[i],
+ info->audioInfo.record.avail_ports & sourcePorts[i],
+ info->audioInfo.record.mod_ports & sourcePorts[i]);
+#endif
+ }
+ }
+ }
+ ret = info->targetPortCount + info->sourcePortCount;
+ }
+ return ret;
+}
+
+int isSourcePort(PortInfo* info, INT32 portIndex) {
+ return (portIndex >= info->targetPortCount);
+}
+
+INT32 PORT_GetPortType(void* id, INT32 portIndex) {
+ PortInfo* info = (PortInfo*) id;
+ if ((portIndex >= 0) && (portIndex < PORT_GetPortCount(id))) {
+ if (isSourcePort(info, portIndex)) {
+ return sourcePortJavaSoundMapping[info->ports[portIndex]];
+ } else {
+ return targetPortJavaSoundMapping[info->ports[portIndex]];
+ }
+ }
+ return 0;
+}
+
+// pre-condition: portIndex must have been verified!
+char* getPortName(PortInfo* info, INT32 portIndex) {
+ char* ret = NULL;
+
+ if (isSourcePort(info, portIndex)) {
+ ret = sourcePortNames[info->ports[portIndex]];
+ } else {
+ ret = targetPortNames[info->ports[portIndex]];
+ }
+ return ret;
+}
+
+INT32 PORT_GetPortName(void* id, INT32 portIndex, char* name, INT32 len) {
+ PortInfo* info = (PortInfo*) id;
+ char* n;
+
+ if ((portIndex >= 0) && (portIndex < PORT_GetPortCount(id))) {
+ n = getPortName(info, portIndex);
+ if (n) {
+ strncpy(name, n, len-1);
+ name[len-1] = 0;
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+void createPortControl(PortInfo* info, PortControlCreator* creator, INT32 portIndex,
+ INT32 type, void** controlObjects, int* controlCount) {
+ PortControlID* controlID;
+ void* newControl = NULL;
+ int controlIndex;
+ char* jsType = NULL;
+ int isBoolean = FALSE;
+
+ TRACE0(">createPortControl\n");
+
+ // fill the ControlID structure and add this control
+ if (info->usedControlIDs >= info->maxControlCount) {
+ ERROR1("not enough free controlIDs !! maxControlIDs = %d\n", info->maxControlCount);
+ return;
+ }
+ controlID = &(info->controlIDs[info->usedControlIDs]);
+ controlID->portInfo = info;
+ controlID->controlType = type;
+ controlIndex = info->ports[portIndex];
+ if (isSourcePort(info, portIndex)) {
+ controlID->port = sourcePorts[controlIndex];
+ } else {
+ controlID->port = targetPorts[controlIndex];
+ }
+ switch (type & PORT_CONTROL_TYPE_MASK) {
+ case PORT_CONTROL_TYPE_SELECT_PORT:
+ jsType = CONTROL_TYPE_SELECT; isBoolean = TRUE; break;
+ case PORT_CONTROL_TYPE_GAIN:
+ jsType = CONTROL_TYPE_VOLUME; break;
+ case PORT_CONTROL_TYPE_BALANCE:
+ jsType = CONTROL_TYPE_BALANCE; break;
+ case PORT_CONTROL_TYPE_MONITOR_GAIN:
+ jsType = CONTROL_TYPE_VOLUME; break;
+ case PORT_CONTROL_TYPE_OUTPUT_MUTED:
+ jsType = CONTROL_TYPE_MUTE; isBoolean = TRUE; break;
+ }
+ if (isBoolean) {
+ TRACE0(" PORT_CONTROL_TYPE_BOOLEAN\n");
+ newControl = (creator->newBooleanControl)(creator, controlID, jsType);
+ }
+ else if (jsType == CONTROL_TYPE_BALANCE) {
+ TRACE0(" PORT_CONTROL_TYPE_BALANCE\n");
+ newControl = (creator->newFloatControl)(creator, controlID, jsType,
+ -1.0f, 1.0f, 2.0f / 65.0f, "");
+ } else {
+ TRACE0(" PORT_CONTROL_TYPE_FLOAT\n");
+ newControl = (creator->newFloatControl)(creator, controlID, jsType,
+ 0.0f, 1.0f, 1.0f / 256.0f, "");
+ }
+ if (newControl) {
+ controlObjects[*controlCount] = newControl;
+ (*controlCount)++;
+ info->usedControlIDs++;
+ }
+ TRACE0("<createPortControl\n");
+}
+
+
+void addCompoundControl(PortInfo* info, PortControlCreator* creator, char* name, void** controlObjects, int* controlCount) {
+ void* compControl;
+
+ TRACE1(">addCompoundControl %d controls\n", *controlCount);
+ if (*controlCount) {
+ // create compound control and add it to the vector
+ compControl = (creator->newCompoundControl)(creator, name, controlObjects, *controlCount);
+ if (compControl) {
+ TRACE1(" addCompoundControl: calling addControl %p\n", compControl);
+ (creator->addControl)(creator, compControl);
+ }
+ *controlCount = 0;
+ }
+ TRACE0("<addCompoundControl\n");
+}
+
+void addAllControls(PortInfo* info, PortControlCreator* creator, void** controlObjects, int* controlCount) {
+ int i = 0;
+
+ TRACE0(">addAllControl\n");
+ // go through all controls and add them to the vector
+ for (i = 0; i < *controlCount; i++) {
+ (creator->addControl)(creator, controlObjects[i]);
+ }
+ *controlCount = 0;
+ TRACE0("<addAllControl\n");
+}
+
+void PORT_GetControls(void* id, INT32 portIndex, PortControlCreator* creator) {
+ PortInfo* info = (PortInfo*) id;
+ int portCount = PORT_GetPortCount(id);
+ void* controls[4];
+ int controlCount = 0;
+ INT32 type;
+ int selectable = 1;
+ memset(controls, 0, sizeof(controls));
+
+ TRACE4(">PORT_GetControls(id=%p, portIndex=%d). controlIDs=%p, maxControlCount=%d\n",
+ id, portIndex, info->controlIDs, info->maxControlCount);
+ if ((portIndex >= 0) && (portIndex < portCount)) {
+ // if the memory isn't reserved for the control structures, allocate it
+ if (!info->controlIDs) {
+ int maxCount = 0;
+ TRACE0("getControl: allocate mem\n");
+ // get a maximum number of controls:
+ // each port has a select, balance, and volume control.
+ maxCount = 3 * portCount;
+ // then there is monitorGain and outputMuted
+ maxCount += (2 * info->targetPortCount);
+ info->maxControlCount = maxCount;
+ info->controlIDs = (PortControlID*) malloc(sizeof(PortControlID) * maxCount);
+ }
+ if (!isSourcePort(info, portIndex)) {
+ type = PORT_CONTROL_TYPE_PLAY;
+ // add master mute control
+ createPortControl(info, creator, portIndex,
+ type | PORT_CONTROL_TYPE_OUTPUT_MUTED,
+ controls, &controlCount);
+ addAllControls(info, creator, controls, &controlCount);
+#ifdef SOLARIS7_COMPATIBLE
+ selectable = info->audioInfo.play.avail_ports & targetPorts[info->ports[portIndex]];
+#else
+ selectable = info->audioInfo.play.mod_ports & targetPorts[info->ports[portIndex]];
+#endif
+ } else {
+ type = PORT_CONTROL_TYPE_RECORD;
+#ifdef SOLARIS7_COMPATIBLE
+ selectable = info->audioInfo.record.avail_ports & sourcePorts[info->ports[portIndex]];
+#else
+ selectable = info->audioInfo.record.mod_ports & sourcePorts[info->ports[portIndex]];
+#endif
+ }
+ // add a mixer strip with volume, ...
+ createPortControl(info, creator, portIndex,
+ type | PORT_CONTROL_TYPE_GAIN,
+ controls, &controlCount);
+ // ... balance, ...
+ createPortControl(info, creator, portIndex,
+ type | PORT_CONTROL_TYPE_BALANCE,
+ controls, &controlCount);
+ // ... and select control (if not always on)...
+ if (selectable) {
+ createPortControl(info, creator, portIndex,
+ type | PORT_CONTROL_TYPE_SELECT_PORT,
+ controls, &controlCount);
+ }
+ // ... packaged in a compound control.
+ addCompoundControl(info, creator, getPortName(info, portIndex), controls, &controlCount);
+
+ if (type == PORT_CONTROL_TYPE_PLAY) {
+ // add a single strip for source ports with monitor gain
+ createPortControl(info, creator, portIndex,
+ type | PORT_CONTROL_TYPE_MONITOR_GAIN,
+ controls, &controlCount);
+ // also in a compound control
+ addCompoundControl(info, creator, MONITOR_GAIN_STRING, controls, &controlCount);
+ }
+ }
+ TRACE0("< PORT_getControls\n");
+}
+
+INT32 PORT_GetIntValue(void* controlIDV) {
+ PortControlID* controlID = (PortControlID*) controlIDV;
+ audio_info_t audioInfo;
+ audio_prinfo_t* prinfo;
+
+ AUDIO_INITINFO(&audioInfo);
+ if (ioctl(controlID->portInfo->fd, AUDIO_GETINFO, &audioInfo) >= 0) {
+ if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) {
+ prinfo = &(audioInfo.play);
+ } else {
+ prinfo = &(audioInfo.record);
+ }
+ switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) {
+ case PORT_CONTROL_TYPE_SELECT_PORT:
+ return (prinfo->port & controlID->port)?TRUE:FALSE;
+ case PORT_CONTROL_TYPE_OUTPUT_MUTED:
+ return (audioInfo.output_muted)?TRUE:FALSE;
+ default:
+ ERROR1("PORT_GetIntValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK);
+ }
+ }
+ ERROR0("PORT_GetIntValue: Could not ioctl!\n");
+ return 0;
+}
+
+void PORT_SetIntValue(void* controlIDV, INT32 value) {
+ PortControlID* controlID = (PortControlID*) controlIDV;
+ audio_info_t audioInfo;
+ audio_prinfo_t* prinfo;
+ int setPort;
+
+ if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) {
+ prinfo = &(audioInfo.play);
+ } else {
+ prinfo = &(audioInfo.record);
+ }
+ switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) {
+ case PORT_CONTROL_TYPE_SELECT_PORT:
+ // first try to just add this port. if that fails, set ONLY to this port.
+ AUDIO_INITINFO(&audioInfo);
+ if (ioctl(controlID->portInfo->fd, AUDIO_GETINFO, &audioInfo) >= 0) {
+ if (value) {
+ setPort = (prinfo->port | controlID->port);
+ } else {
+ setPort = (prinfo->port - controlID->port);
+ }
+ AUDIO_INITINFO(&audioInfo);
+ prinfo->port = setPort;
+ if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) {
+ // didn't work. Either this line doesn't support to select several
+ // ports at once (e.g. record), or a real error
+ if (value) {
+ // set to ONLY this port (and disable any other currently selected ports)
+ AUDIO_INITINFO(&audioInfo);
+ prinfo->port = controlID->port;
+ if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) {
+ ERROR2("Error setting output select port %d to port %d!\n", controlID->port, controlID->port);
+ }
+ } else {
+ // assume it's an error
+ ERROR2("Error setting output select port %d to port %d!\n", controlID->port, setPort);
+ }
+ }
+ break;
+ case PORT_CONTROL_TYPE_OUTPUT_MUTED:
+ AUDIO_INITINFO(&audioInfo);
+ audioInfo.output_muted = (value?TRUE:FALSE);
+ if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) {
+ ERROR2("Error setting output muted on port %d to %d!\n", controlID->port, value);
+ }
+ break;
+ default:
+ ERROR1("PORT_SetIntValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK);
+ }
+ }
+}
+
+float PORT_GetFloatValue(void* controlIDV) {
+ PortControlID* controlID = (PortControlID*) controlIDV;
+ audio_info_t audioInfo;
+ audio_prinfo_t* prinfo;
+
+ AUDIO_INITINFO(&audioInfo);
+ if (ioctl(controlID->portInfo->fd, AUDIO_GETINFO, &audioInfo) >= 0) {
+ if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) {
+ prinfo = &(audioInfo.play);
+ } else {
+ prinfo = &(audioInfo.record);
+ }
+ switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) {
+ case PORT_CONTROL_TYPE_GAIN:
+ return ((float) (prinfo->gain - AUDIO_MIN_GAIN))
+ / ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN));
+ case PORT_CONTROL_TYPE_BALANCE:
+ return ((float) ((prinfo->balance - AUDIO_LEFT_BALANCE - AUDIO_MID_BALANCE) << 1))
+ / ((float) (AUDIO_RIGHT_BALANCE - AUDIO_LEFT_BALANCE));
+ case PORT_CONTROL_TYPE_MONITOR_GAIN:
+ return ((float) (audioInfo.monitor_gain - AUDIO_MIN_GAIN))
+ / ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN));
+ default:
+ ERROR1("PORT_GetFloatValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK);
+ }
+ }
+ ERROR0("PORT_GetFloatValue: Could not ioctl!\n");
+ return 0.0f;
+}
+
+void PORT_SetFloatValue(void* controlIDV, float value) {
+ PortControlID* controlID = (PortControlID*) controlIDV;
+ audio_info_t audioInfo;
+ audio_prinfo_t* prinfo;
+
+ AUDIO_INITINFO(&audioInfo);
+
+ if (controlID->controlType & PORT_CONTROL_TYPE_PLAY) {
+ prinfo = &(audioInfo.play);
+ } else {
+ prinfo = &(audioInfo.record);
+ }
+ switch (controlID->controlType & PORT_CONTROL_TYPE_MASK) {
+ case PORT_CONTROL_TYPE_GAIN:
+ prinfo->gain = AUDIO_MIN_GAIN
+ + (int) ((value * ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN))) + 0.5f);
+ break;
+ case PORT_CONTROL_TYPE_BALANCE:
+ prinfo->balance = AUDIO_LEFT_BALANCE + AUDIO_MID_BALANCE
+ + ((int) (value * ((float) ((AUDIO_RIGHT_BALANCE - AUDIO_LEFT_BALANCE) >> 1))) + 0.5f);
+ break;
+ case PORT_CONTROL_TYPE_MONITOR_GAIN:
+ audioInfo.monitor_gain = AUDIO_MIN_GAIN
+ + (int) ((value * ((float) (AUDIO_MAX_GAIN - AUDIO_MIN_GAIN))) + 0.5f);
+ break;
+ default:
+ ERROR1("PORT_SetFloatValue: Wrong type %d !\n", controlID->controlType & PORT_CONTROL_TYPE_MASK);
+ return;
+ }
+ if (ioctl(controlID->portInfo->fd, AUDIO_SETINFO, &audioInfo) < 0) {
+ ERROR0("PORT_SetFloatValue: Could not ioctl!\n");
+ }
+}
+
+#endif // USE_PORTS