1 /*
   2  * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #ifndef PORTS_INCLUDED
  27 #define PORTS_INCLUDED
  28 
  29 
  30 #include "SoundDefs.h"
  31 // for memset
  32 #include <string.h>
  33 #include "Configure.h"  // put flags for debug msgs etc. here
  34 #include "Utilities.h"
  35 #include <com_sun_media_sound_PortMixer.h>
  36 
  37 
  38 /* *********************** PORT TYPES (for all platforms) ******************************* */
  39 
  40 #define PORT_SRC_UNKNOWN      (com_sun_media_sound_PortMixer_SRC_UNKNOWN)
  41 #define PORT_SRC_MICROPHONE   (com_sun_media_sound_PortMixer_SRC_MICROPHONE)
  42 #define PORT_SRC_LINE_IN      (com_sun_media_sound_PortMixer_SRC_LINE_IN)
  43 #define PORT_SRC_COMPACT_DISC (com_sun_media_sound_PortMixer_SRC_COMPACT_DISC)
  44 #define PORT_SRC_MASK         (com_sun_media_sound_PortMixer_SRC_MASK)
  45 #define PORT_DST_UNKNOWN      (com_sun_media_sound_PortMixer_DST_UNKNOWN)
  46 #define PORT_DST_SPEAKER      (com_sun_media_sound_PortMixer_DST_SPEAKER)
  47 #define PORT_DST_HEADPHONE    (com_sun_media_sound_PortMixer_DST_HEADPHONE)
  48 #define PORT_DST_LINE_OUT     (com_sun_media_sound_PortMixer_DST_LINE_OUT)
  49 #define PORT_DST_MASK         (com_sun_media_sound_PortMixer_DST_MASK)
  50 
  51 #define PORT_STRING_LENGTH 200
  52 
  53 typedef struct tag_PortMixerDescription {
  54     char name[PORT_STRING_LENGTH];
  55     char vendor[PORT_STRING_LENGTH];
  56     char description[PORT_STRING_LENGTH];
  57     char version[PORT_STRING_LENGTH];
  58 } PortMixerDescription;
  59 
  60 
  61 // for BooleanControl.Type
  62 #define CONTROL_TYPE_MUTE        ((char*) 1)
  63 #define CONTROL_TYPE_SELECT      ((char*) 2)
  64 
  65 // for FloatControl.Type
  66 #define CONTROL_TYPE_BALANCE     ((char*) 1)
  67 #define CONTROL_TYPE_MASTER_GAIN ((char*) 2)
  68 #define CONTROL_TYPE_PAN         ((char*) 3)
  69 #define CONTROL_TYPE_VOLUME      ((char*) 4)
  70 #define CONTROL_TYPE_MAX         4
  71 
  72 // method definitions
  73 
  74 /* controlID: unique ID for this control
  75  * type: string that is used to construct the BooleanControl.Type, or CONTROL_TYPE_MUTE
  76  * creator: pointer to the creator struct provided by PORT_GetControls
  77  * returns an opaque pointer to the created control
  78  */
  79 typedef void* (*PORT_NewBooleanControlPtr)(void* creator, void* controlID, char* type);
  80 
  81 /* type: string that is used to construct the CompoundControl.Type
  82  * controls: an array of opaque controls returned by the CreateXXXControlPtr functions
  83  * controlCount: number of elements in controls
  84  * creator: pointer to the creator struct provided by PORT_GetControls
  85  * returns an opaque pointer to the created control
  86  */
  87 typedef void* (*PORT_NewCompoundControlPtr)(void* creator, char* type, void** controls, int controlCount);
  88 
  89 /* controlID: unique ID for this control
  90  * type: string that is used to construct the FloatControl.Type, or one of
  91  *       CONTROL_TYPE_BALANCE, CONTROL_TYPE_MASTER_GAIN, CONTROL_TYPE_PAN, CONTROL_TYPE_VOLUME
  92  * creator: pointer to the creator struct provided by PORT_GetControls
  93  * returns an opaque pointer to the created control
  94  */
  95 typedef void* (*PORT_NewFloatControlPtr)(void* creator, void* controlID, char* type,
  96               float min, float max, float precision, const char* units);
  97 
  98 /* control: The control to add to current port
  99  * creator: pointer to the creator struct provided by PORT_GetControls
 100  * returns TRUE or FALSE
 101  */
 102 typedef int (*PORT_AddControlPtr)(void* creator, void* control);
 103 
 104 // struct for dynamically instantiating the controls from platform dependent code
 105 // without creating a dependency from the platform code to JNI
 106 
 107 typedef struct tag_PortControlCreator {
 108     PORT_NewBooleanControlPtr newBooleanControl;
 109     PORT_NewCompoundControlPtr newCompoundControl;
 110     PORT_NewFloatControlPtr newFloatControl;
 111     PORT_AddControlPtr addControl;
 112 } PortControlCreator;
 113 
 114 #if (USE_PORTS == TRUE)
 115 
 116 // the following methods need to be implemented by the platform dependent code
 117 INT32 PORT_GetPortMixerCount();
 118 INT32 PORT_GetPortMixerDescription(INT32 mixerIndex, PortMixerDescription* description);
 119 void* PORT_Open(INT32 mixerIndex);
 120 void  PORT_Close(void* id);
 121 
 122 INT32 PORT_GetPortCount(void* id);
 123 INT32 PORT_GetPortType(void* id, INT32 portIndex);
 124 INT32 PORT_GetPortName(void* id, INT32 portIndex, char* name, INT32 len);
 125 void  PORT_GetControls(void* id, INT32 portIndex, PortControlCreator* creator);
 126 float PORT_GetFloatValue(void* controlID);
 127 INT32 PORT_GetIntValue(void* controlIDV);
 128 void  PORT_SetFloatValue(void* controlID, float value);
 129 void  PORT_SetIntValue(void* controlIDV, INT32 value);
 130 
 131 #endif // USE_PORTS
 132 
 133 #endif // PORTS_INCLUDED