lwjgl/src/native/common/fmod3/extfmod3.c

129 lines
4.6 KiB
C

/*
* Copyright (c) 2002-2004 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include <stdio.h>
#include "extfmod3.h"
/** Instance of fmod */
FMOD_INSTANCE * fmod_instance = NULL;
// jnienvs
JNIEnv *mixer_jnienv = NULL;
JNIEnv *stream_jnienv = NULL;
// FMusic cached fields
jmethodID music_instcallback = NULL;
jmethodID music_ordercallback = NULL;
jmethodID music_rowcallback = NULL;
jmethodID music_zxxcallback= NULL;
jclass fmusic = NULL;
// FSound cached fields
jmethodID sound_dspcallback = NULL;
jmethodID sound_stream_endcallback = NULL;
jmethodID sound_stream_synccallback = NULL;
jmethodID sound_stream_callback = NULL;
jmethodID sound_metadata_callback = NULL;
jclass fsound = NULL;
// size of dsp buffer (in bytes)
int fsound_dsp_buffer_size = 0;
#ifdef _WIN32
/**
* DLL entry point for Windows. Called when Java loads the .dll
*/
BOOL WINAPI DllMain( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
return true;
}
#endif
/**
* Creates and loads the FMOD instance
*
* @param path path to try to load dll
*/
void fmod_create(JNIEnv *env, const char* path) {
// try to create an instance using the supplied path
fmod_instance = FMOD_CreateInstance((char *)path);
// if we got one, we need to locate and cache jni stuff used for callbacks
if (fmod_instance != NULL) {
// fmusic specific callbacks
fmusic = (*env)->FindClass(env, "org/lwjgl/fmod3/FMusic");
music_instcallback = (*env)->GetStaticMethodID(env, fmusic, "music_instcallback", "(JI)V");
music_ordercallback = (*env)->GetStaticMethodID(env, fmusic, "music_ordercallback", "(JI)V");
music_rowcallback = (*env)->GetStaticMethodID(env, fmusic, "music_rowcallback", "(JI)V");
music_zxxcallback = (*env)->GetStaticMethodID(env, fmusic, "music_zxxcallback", "(JI)V");
// fsound specefic callbacks
fsound = (*env)->FindClass(env, "org/lwjgl/fmod3/FSound");
sound_dspcallback = (*env)->GetStaticMethodID(env, fsound, "dsp_callback", "(JLjava/nio/ByteBuffer;Ljava/nio/ByteBuffer;I)Ljava/nio/ByteBuffer;");
sound_stream_endcallback = (*env)->GetStaticMethodID(env, fsound, "end_callback", "(J)V");
sound_stream_synccallback = (*env)->GetStaticMethodID(env, fsound, "sync_callback", "(JLjava/nio/ByteBuffer;I)V");
sound_stream_callback = (*env)->GetStaticMethodID(env, fsound, "stream_callback", "(JLjava/nio/ByteBuffer;I)V");
sound_metadata_callback = (*env)->GetStaticMethodID(env, fsound, "meta_callback", "(JLjava/nio/ByteBuffer;Ljava/nio/ByteBuffer;)V");
// we need the size of the mix buffer, so we start out by caching it and
// update it accordingly on changes
switch(fmod_instance->FSOUND_GetMixer()) {
case FSOUND_MIXER_AUTODETECT:
case FSOUND_MIXER_BLENDMODE:
case FSOUND_MIXER_QUALITY_AUTODETECT:
case FSOUND_MIXER_QUALITY_FPU:
case FSOUND_MIXER_MONO:
case FSOUND_MIXER_QUALITY_MONO:
case FSOUND_MIXER_MAX:
fsound_dsp_buffer_size = 8;
break;
default:
fsound_dsp_buffer_size = 4;
break;
}
}
}
/**
* Destroys the fmod instance
*/
void fmod_destroy() {
if (fmod_instance != NULL) {
FMOD_FreeInstance(fmod_instance);
}
}