michael/lwjgl
michael
/
lwjgl
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

add: loadWAVMemory implemented 

fix: wrong comments on alutInit
This commit is contained in:
Brian Matzon 2002-08-18 13:42:14 +00:00
parent c56a1a70e1
commit f6c9a484b3
1 changed files with 55 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
src/native/win32/org_lwjgl_openal_ALUT.cpp
View File

@ -44,6 +44,8 @@
/* OpenAL includes */
#include <alut.h>
#include <stdlib.h>
/**
* This function initializes OpenAL.
*
@ -125,6 +127,7 @@ JNIEXPORT jobject JNICALL Java_org_lwjgl_openal_ALUT_loadWAVFile (JNIEnv *env, j
return alutLoadWAVFile_object;
}
/**
* This function loads a WAV file into memory from another memory location.
*
@ -132,9 +135,61 @@ JNIEXPORT jobject JNICALL Java_org_lwjgl_openal_ALUT_loadWAVFile (JNIEnv *env, j
* ALvoid alutLoadWAVMemory(ALbyte *memory,ALenum *format,ALvoid **data,ALsizei
* *size,ALsizei *freq,ALboolean *loop)
*/
JNIEXPORT jobject JNICALL Java_org_lwjgl_openal_ALUT_loadWAVMemory (JNIEnv *env, jobject obj, jbyteArray buffer) {
/*
* NOTE: Since Java doesn't support modification of supplied
* variables (pass by value). We will return a class that
* holds what is needed to unload the file again.
* The data field contains the offset at whcih the data
* segment begins (ie. a pointer). This will *not* work
* on 64 bit platforms, since we use an jint for this.
*/
/* actual file info object */
jobject alutLoadWAVFile_object = NULL;
/* class type to find */
jclass alutLoadWAVFile_class = NULL;
/* method id - will be set to constructor of alutLoadWAVFile */
jmethodID methodID = NULL;
/* sound data vars */
jint format, size, freq;
jboolean loop;
void* data;
ALbyte* bufferlocation = (ALbyte*) (env->GetByteArrayElements(buffer, 0));
/* load wave from mem */
alutLoadWAVMemory(bufferlocation, (ALenum*) &format, (void**) &data, (ALsizei*) &size, (ALsizei*) &freq, (ALboolean*) &loop);
/* get class */
alutLoadWAVFile_class = env->FindClass("org/lwjgl/openal/ALUTLoadWAVFile");
/* get constructor */
methodID = env->GetMethodID(alutLoadWAVFile_class, "<init>", "(IIIIZ)V");
/* create object */
alutLoadWAVFile_object = env->NewObject(alutLoadWAVFile_class, methodID, format, (int) data, size, freq, loop);
/* release bytearray again */
env->ReleaseByteArrayElements(buffer, (jbyte*) bufferlocation, 0);
return alutLoadWAVFile_object;
}
/**
* This function unloads a WAV file from memory and is normally used after copying the data into a buffer
* after an alutLoad* function.
*
* C Specification:
* ALvoid alutUnloadWAV(ALenum format, ALvoid *data, ALsizei size, ALsizei freq)
*/
JNIEXPORT void JNICALL Java_org_lwjgl_openal_ALUT_unloadWAV (JNIEnv *env, jobject obj, jint format, jint data, jint size, jint freq) {
alutUnloadWAV(format, (void**) data, size, freq);
}
/**
* This function exits OpenAL.
*