| 1 | /* |
| 2 | * Copyright (c) 2002, 2014, 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 | //#define USE_TRACE |
| 27 | #define USE_ERROR |
| 28 | |
| 29 | |
| 30 | #include <jni.h> |
| 31 | #include <jni_util.h> |
| 32 | #include "SoundDefs.h" |
| 33 | #include "Ports.h" |
| 34 | #include "Utilities.h" |
| 35 | #include "com_sun_media_sound_PortMixer.h" |
| 36 | |
| 37 | |
| 38 | //////////////////////////////////////////// PortMixer //////////////////////////////////////////// |
| 39 | |
| 40 | JNIEXPORT jlong JNICALL Java_com_sun_media_sound_PortMixer_nOpen |
| 41 | (JNIEnv *env, jclass cls, jint mixerIndex) { |
| 42 | |
| 43 | jlong ret = 0; |
| 44 | #if USE_PORTS == TRUE |
| 45 | ret = (jlong) (INT_PTR) PORT_Open(mixerIndex); |
| 46 | #endif |
| 47 | return ret; |
| 48 | } |
| 49 | |
| 50 | JNIEXPORT void JNICALL Java_com_sun_media_sound_PortMixer_nClose |
| 51 | (JNIEnv *env, jclass cls, jlong id) { |
| 52 | |
| 53 | #if USE_PORTS == TRUE |
| 54 | if (id != 0) { |
| 55 | PORT_Close((void*) (INT_PTR) id); |
| 56 | } |
| 57 | #endif |
| 58 | } |
| 59 | |
| 60 | JNIEXPORT jint JNICALL Java_com_sun_media_sound_PortMixer_nGetPortCount |
| 61 | (JNIEnv *env, jclass cls, jlong id) { |
| 62 | |
| 63 | jint ret = 0; |
| 64 | #if USE_PORTS == TRUE |
| 65 | if (id != 0) { |
| 66 | ret = (jint) PORT_GetPortCount((void*) (INT_PTR) id); |
| 67 | } |
| 68 | #endif |
| 69 | return ret; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | JNIEXPORT jint JNICALL Java_com_sun_media_sound_PortMixer_nGetPortType |
| 74 | (JNIEnv *env, jclass cls, jlong id, jint portIndex) { |
| 75 | |
| 76 | jint ret = 0; |
| 77 | TRACE1("Java_com_sun_media_sound_PortMixer_nGetPortType(%d).\n" , portIndex); |
| 78 | |
| 79 | #if USE_PORTS == TRUE |
| 80 | if (id != 0) { |
| 81 | ret = (jint) PORT_GetPortType((void*) (INT_PTR) id, portIndex); |
| 82 | } |
| 83 | #endif |
| 84 | |
| 85 | TRACE1("Java_com_sun_media_sound_PortMixerProvider_nGetPortType returning %d.\n" , ret); |
| 86 | return ret; |
| 87 | } |
| 88 | |
| 89 | JNIEXPORT jstring JNICALL Java_com_sun_media_sound_PortMixer_nGetPortName |
| 90 | (JNIEnv *env, jclass cls, jlong id, jint portIndex) { |
| 91 | |
| 92 | char str[PORT_STRING_LENGTH]; |
| 93 | jstring jString = NULL; |
| 94 | TRACE1("Java_com_sun_media_sound_PortMixer_nGetPortName(%d).\n" , portIndex); |
| 95 | |
| 96 | str[0] = 0; |
| 97 | #if USE_PORTS == TRUE |
| 98 | if (id != 0) { |
| 99 | PORT_GetPortName((void*) (INT_PTR) id, portIndex, str, PORT_STRING_LENGTH); |
| 100 | } |
| 101 | #endif |
| 102 | jString = (*env)->NewStringUTF(env, str); |
| 103 | |
| 104 | TRACE1("Java_com_sun_media_sound_PortMixerProvider_nGetName returning \"%s\".\n" , str); |
| 105 | return jString; |
| 106 | } |
| 107 | |
| 108 | JNIEXPORT void JNICALL Java_com_sun_media_sound_PortMixer_nControlSetIntValue |
| 109 | (JNIEnv *env, jclass cls, jlong controlID, jint value) { |
| 110 | #if USE_PORTS == TRUE |
| 111 | if (controlID != 0) { |
| 112 | PORT_SetIntValue((void*) (UINT_PTR) controlID, (INT32) value); |
| 113 | } |
| 114 | #endif |
| 115 | } |
| 116 | |
| 117 | JNIEXPORT jint JNICALL Java_com_sun_media_sound_PortMixer_nControlGetIntValue |
| 118 | (JNIEnv *env, jclass cls, jlong controlID) { |
| 119 | INT32 ret = 0; |
| 120 | #if USE_PORTS == TRUE |
| 121 | if (controlID != 0) { |
| 122 | ret = PORT_GetIntValue((void*) (UINT_PTR) controlID); |
| 123 | } |
| 124 | #endif |
| 125 | return (jint) ret; |
| 126 | } |
| 127 | |
| 128 | JNIEXPORT void JNICALL Java_com_sun_media_sound_PortMixer_nControlSetFloatValue |
| 129 | (JNIEnv *env, jclass cls, jlong controlID, jfloat value) { |
| 130 | #if USE_PORTS == TRUE |
| 131 | if (controlID != 0) { |
| 132 | PORT_SetFloatValue((void*) (UINT_PTR) controlID, (float) value); |
| 133 | } |
| 134 | #endif |
| 135 | } |
| 136 | |
| 137 | JNIEXPORT jfloat JNICALL Java_com_sun_media_sound_PortMixer_nControlGetFloatValue |
| 138 | (JNIEnv *env, jclass cls, jlong controlID) { |
| 139 | float ret = 0; |
| 140 | #if USE_PORTS == TRUE |
| 141 | if (controlID != 0) { |
| 142 | ret = PORT_GetFloatValue((void*) (UINT_PTR) controlID); |
| 143 | } |
| 144 | #endif |
| 145 | return (jfloat) ret; |
| 146 | } |
| 147 | |
| 148 | /* ************************************** native control creation support ********************* */ |
| 149 | |
| 150 | // contains all the needed references so that the platform dependent code can call JNI wrapper functions |
| 151 | typedef struct tag_ControlCreatorJNI { |
| 152 | // this member is seen by the platform dependent code |
| 153 | PortControlCreator creator; |
| 154 | // general JNI variables |
| 155 | JNIEnv *env; |
| 156 | // the vector to be filled with controls (initialized before usage) |
| 157 | jobject vector; |
| 158 | jmethodID vectorAddElement; |
| 159 | // control specific constructors (initialized on demand) |
| 160 | jclass boolCtrlClass; |
| 161 | jmethodID boolCtrlConstructor; // signature (JLjava/lang/String;)V |
| 162 | jclass controlClass; // class of javax.sound.sampled.Control |
| 163 | jclass compCtrlClass; |
| 164 | jmethodID compCtrlConstructor; // signature (Ljava/lang/String;[Ljavax/sound/sampled/Control;)V |
| 165 | jclass floatCtrlClass; |
| 166 | jmethodID floatCtrlConstructor1; // signature (JLjava/lang/String;FFFLjava/lang/String;)V |
| 167 | jmethodID floatCtrlConstructor2; // signature (JIFFFLjava/lang/String;)V |
| 168 | } ControlCreatorJNI; |
| 169 | |
| 170 | |
| 171 | void* PORT_NewBooleanControl(void* creatorV, void* controlID, char* type) { |
| 172 | ControlCreatorJNI* creator = (ControlCreatorJNI*) creatorV; |
| 173 | jobject ctrl = NULL; |
| 174 | jstring typeString; |
| 175 | |
| 176 | #ifdef USE_TRACE |
| 177 | if (((UINT_PTR) type) <= CONTROL_TYPE_MAX) { |
| 178 | TRACE1("PORT_NewBooleanControl: creating '%d'\n" , (int) (UINT_PTR) type); |
| 179 | } else { |
| 180 | TRACE1("PORT_NewBooleanControl: creating '%s'\n" , type); |
| 181 | } |
| 182 | #endif |
| 183 | if (!creator->boolCtrlClass) { |
| 184 | // retrieve class and constructor of PortMixer.BoolCtrl |
| 185 | creator->boolCtrlClass = (*creator->env)->FindClass(creator->env, IMPLEMENTATION_PACKAGE_NAME"/PortMixer$BoolCtrl" ); |
| 186 | if (!creator->boolCtrlClass) { |
| 187 | ERROR0("PORT_NewBooleanControl: boolCtrlClass is NULL\n" ); |
| 188 | return NULL; |
| 189 | } |
| 190 | creator->boolCtrlConstructor = (*creator->env)->GetMethodID(creator->env, creator->boolCtrlClass, |
| 191 | "<init>" , "(JLjava/lang/String;)V" ); |
| 192 | if (!creator->boolCtrlConstructor) { |
| 193 | ERROR0("PORT_NewBooleanControl: boolCtrlConstructor is NULL\n" ); |
| 194 | return NULL; |
| 195 | } |
| 196 | } |
| 197 | if (type == CONTROL_TYPE_MUTE) { |
| 198 | type = "Mute" ; |
| 199 | } |
| 200 | else if (type == CONTROL_TYPE_SELECT) { |
| 201 | type = "Select" ; |
| 202 | } |
| 203 | |
| 204 | typeString = (*creator->env)->NewStringUTF(creator->env, type); |
| 205 | CHECK_NULL_RETURN(typeString, (void*) ctrl); |
| 206 | ctrl = (*creator->env)->NewObject(creator->env, creator->boolCtrlClass, |
| 207 | creator->boolCtrlConstructor, |
| 208 | (jlong) (UINT_PTR) controlID, typeString); |
| 209 | if (!ctrl) { |
| 210 | ERROR0("PORT_NewBooleanControl: ctrl is NULL\n" ); |
| 211 | } |
| 212 | if ((*creator->env)->ExceptionOccurred(creator->env)) { |
| 213 | ERROR0("PORT_NewBooleanControl: ExceptionOccurred!\n" ); |
| 214 | } |
| 215 | TRACE0("PORT_NewBooleanControl succeeded\n" ); |
| 216 | return (void*) ctrl; |
| 217 | } |
| 218 | |
| 219 | void* PORT_NewCompoundControl(void* creatorV, char* type, void** controls, int controlCount) { |
| 220 | ControlCreatorJNI* creator = (ControlCreatorJNI*) creatorV; |
| 221 | jobject ctrl = NULL; |
| 222 | jobjectArray controlArray; |
| 223 | int i; |
| 224 | jstring typeString; |
| 225 | |
| 226 | TRACE2("PORT_NewCompoundControl: creating '%s' with %d controls\n" , type, controlCount); |
| 227 | if (!creator->compCtrlClass) { |
| 228 | TRACE0("PORT_NewCompoundControl: retrieve method ids\n" ); |
| 229 | // retrieve class and constructor of PortMixer.BoolCtrl |
| 230 | creator->compCtrlClass = (*creator->env)->FindClass(creator->env, IMPLEMENTATION_PACKAGE_NAME"/PortMixer$CompCtrl" ); |
| 231 | if (!creator->compCtrlClass) { |
| 232 | ERROR0("PORT_NewCompoundControl: compCtrlClass is NULL\n" ); |
| 233 | return NULL; |
| 234 | } |
| 235 | creator->compCtrlConstructor = (*creator->env)->GetMethodID(creator->env, creator->compCtrlClass, |
| 236 | "<init>" , "(Ljava/lang/String;[Ljavax/sound/sampled/Control;)V" ); |
| 237 | if (!creator->compCtrlConstructor) { |
| 238 | ERROR0("PORT_NewCompoundControl: compCtrlConstructor is NULL\n" ); |
| 239 | return NULL; |
| 240 | } |
| 241 | creator->controlClass = (*creator->env)->FindClass(creator->env, JAVA_SAMPLED_PACKAGE_NAME"/Control" ); |
| 242 | if (!creator->controlClass) { |
| 243 | ERROR0("PORT_NewCompoundControl: controlClass is NULL\n" ); |
| 244 | return NULL; |
| 245 | } |
| 246 | } |
| 247 | TRACE0("PORT_NewCompoundControl: creating array\n" ); |
| 248 | // create new array for the controls |
| 249 | controlArray = (*creator->env)->NewObjectArray(creator->env, controlCount, creator->controlClass, (jobject) NULL); |
| 250 | if (!controlArray) { |
| 251 | ERROR0("PORT_NewCompoundControl: controlArray is NULL\n" ); |
| 252 | return NULL; |
| 253 | } |
| 254 | TRACE0("PORT_NewCompoundControl: setting array values\n" ); |
| 255 | for (i = 0; i < controlCount; i++) { |
| 256 | (*creator->env)->SetObjectArrayElement(creator->env, controlArray, i, (jobject) controls[i]); |
| 257 | } |
| 258 | TRACE0("PORT_NewCompoundControl: creating compound control\n" ); |
| 259 | typeString = (*creator->env)->NewStringUTF(creator->env, type); |
| 260 | CHECK_NULL_RETURN(typeString, (void*) ctrl); |
| 261 | ctrl = (*creator->env)->NewObject(creator->env, creator->compCtrlClass, |
| 262 | creator->compCtrlConstructor, |
| 263 | typeString, controlArray); |
| 264 | if (!ctrl) { |
| 265 | ERROR0("PORT_NewCompoundControl: ctrl is NULL\n" ); |
| 266 | } |
| 267 | if ((*creator->env)->ExceptionOccurred(creator->env)) { |
| 268 | ERROR0("PORT_NewCompoundControl: ExceptionOccurred!\n" ); |
| 269 | } |
| 270 | TRACE0("PORT_NewCompoundControl succeeded\n" ); |
| 271 | return (void*) ctrl; |
| 272 | } |
| 273 | |
| 274 | void* PORT_NewFloatControl(void* creatorV, void* controlID, char* type, |
| 275 | float min, float max, float precision, const char* units) { |
| 276 | ControlCreatorJNI* creator = (ControlCreatorJNI*) creatorV; |
| 277 | jobject ctrl = NULL; |
| 278 | jstring unitsString; |
| 279 | jstring typeString; |
| 280 | |
| 281 | #ifdef USE_TRACE |
| 282 | if (((UINT_PTR) type) <= CONTROL_TYPE_MAX) { |
| 283 | TRACE1("PORT_NewFloatControl: creating '%d'\n" , (int) (UINT_PTR) type); |
| 284 | } else { |
| 285 | TRACE1("PORT_NewFloatControl: creating '%s'\n" , type); |
| 286 | } |
| 287 | #endif |
| 288 | if (!creator->floatCtrlClass) { |
| 289 | // retrieve class and constructor of PortMixer.BoolCtrl |
| 290 | creator->floatCtrlClass = (*creator->env)->FindClass(creator->env, IMPLEMENTATION_PACKAGE_NAME"/PortMixer$FloatCtrl" ); |
| 291 | if (!creator->floatCtrlClass) { |
| 292 | ERROR0("PORT_NewFloatControl: floatCtrlClass is NULL\n" ); |
| 293 | return NULL; |
| 294 | } |
| 295 | creator->floatCtrlConstructor1 = (*creator->env)->GetMethodID(creator->env, creator->floatCtrlClass, |
| 296 | "<init>" , "(JLjava/lang/String;FFFLjava/lang/String;)V" ); |
| 297 | if (!creator->floatCtrlConstructor1) { |
| 298 | ERROR0("PORT_NewFloatControl: floatCtrlConstructor1 is NULL\n" ); |
| 299 | return NULL; |
| 300 | } |
| 301 | creator->floatCtrlConstructor2 = (*creator->env)->GetMethodID(creator->env, creator->floatCtrlClass, |
| 302 | "<init>" , "(JIFFFLjava/lang/String;)V" ); |
| 303 | if (!creator->floatCtrlConstructor2) { |
| 304 | ERROR0("PORT_NewFloatControl: floatCtrlConstructor2 is NULL\n" ); |
| 305 | return NULL; |
| 306 | } |
| 307 | } |
| 308 | unitsString = (*creator->env)->NewStringUTF(creator->env, units); |
| 309 | CHECK_NULL_RETURN(unitsString, (void*) ctrl); |
| 310 | if (((UINT_PTR) type) <= CONTROL_TYPE_MAX) { |
| 311 | // constructor with int parameter |
| 312 | TRACE1("PORT_NewFloatControl: calling constructor2 with type %d\n" , (int) (UINT_PTR) type); |
| 313 | ctrl = (*creator->env)->NewObject(creator->env, creator->floatCtrlClass, |
| 314 | creator->floatCtrlConstructor2, |
| 315 | (jlong) (UINT_PTR) controlID, (jint) (UINT_PTR) type, |
| 316 | min, max, precision, unitsString); |
| 317 | } else { |
| 318 | TRACE0("PORT_NewFloatControl: calling constructor1\n" ); |
| 319 | // constructor with string parameter |
| 320 | typeString = (*creator->env)->NewStringUTF(creator->env, type); |
| 321 | CHECK_NULL_RETURN(typeString, (void*) ctrl); |
| 322 | ctrl = (*creator->env)->NewObject(creator->env, creator->floatCtrlClass, |
| 323 | creator->floatCtrlConstructor1, |
| 324 | (jlong) (UINT_PTR) controlID, typeString, |
| 325 | min, max, precision, unitsString); |
| 326 | } |
| 327 | if (!ctrl) { |
| 328 | ERROR0("PORT_NewFloatControl: ctrl is NULL!\n" ); |
| 329 | } |
| 330 | if ((*creator->env)->ExceptionOccurred(creator->env)) { |
| 331 | ERROR0("PORT_NewFloatControl: ExceptionOccurred!\n" ); |
| 332 | } |
| 333 | TRACE1("PORT_NewFloatControl succeeded %p\n" , (void*) ctrl); |
| 334 | return (void*) ctrl; |
| 335 | } |
| 336 | |
| 337 | int PORT_AddControl(void* creatorV, void* control) { |
| 338 | ControlCreatorJNI* creator = (ControlCreatorJNI*) creatorV; |
| 339 | |
| 340 | TRACE1("PORT_AddControl %p\n" , (void*) control); |
| 341 | (*creator->env)->CallVoidMethod(creator->env, creator->vector, creator->vectorAddElement, (jobject) control); |
| 342 | if ((*creator->env)->ExceptionOccurred(creator->env)) { |
| 343 | ERROR0("PORT_AddControl: ExceptionOccurred!\n" ); |
| 344 | } |
| 345 | TRACE0("PORT_AddControl succeeded\n" ); |
| 346 | return TRUE; |
| 347 | } |
| 348 | |
| 349 | JNIEXPORT void JNICALL Java_com_sun_media_sound_PortMixer_nGetControls |
| 350 | (JNIEnv *env, jclass cls, jlong id, jint portIndex, jobject vector) { |
| 351 | |
| 352 | ControlCreatorJNI creator; |
| 353 | jclass vectorClass; |
| 354 | |
| 355 | #if USE_PORTS == TRUE |
| 356 | if (id != 0) { |
| 357 | memset(&creator, 0, sizeof(ControlCreatorJNI)); |
| 358 | creator.creator.newBooleanControl = &PORT_NewBooleanControl; |
| 359 | creator.creator.newCompoundControl = &PORT_NewCompoundControl; |
| 360 | creator.creator.newFloatControl = &PORT_NewFloatControl; |
| 361 | creator.creator.addControl = &PORT_AddControl; |
| 362 | creator.env = env; |
| 363 | vectorClass = (*env)->GetObjectClass(env, vector); |
| 364 | if (vectorClass == NULL) { |
| 365 | ERROR0("Java_com_sun_media_sound_PortMixer_nGetControls: vectorClass is NULL\n" ); |
| 366 | return; |
| 367 | } |
| 368 | creator.vector = vector; |
| 369 | creator.vectorAddElement = (*env)->GetMethodID(env, vectorClass, "addElement" , "(Ljava/lang/Object;)V" ); |
| 370 | if (creator.vectorAddElement == NULL) { |
| 371 | ERROR0("Java_com_sun_media_sound_PortMixer_nGetControls: addElementMethodID is NULL\n" ); |
| 372 | return; |
| 373 | } |
| 374 | PORT_GetControls((void*) (UINT_PTR) id, (INT32) portIndex, (PortControlCreator*) &creator); |
| 375 | } |
| 376 | #endif |
| 377 | } |
| 378 | |