/**

extern gsm  gsm_create 	GSMJNI_P((void));

extern void gsm_destroy GSMJNI_P((gsm));	

extern int  gsm_print   GSMJNI_P((FILE *, gsm, gsm_byte  *));

extern int  gsm_option  GSMJNI_P((gsm, int, int *));

extern void gsm_encode  GSMJNI_P((gsm, gsm_signal *, gsm_byte  *));

extern int  gsm_decode  GSMJNI_P((gsm, gsm_byte   *, gsm_signal *));

extern int  gsm_explode GSMJNI_P((gsm, gsm_byte   *, gsm_signal *));

extern void gsm_implode GSMJNI_P((gsm, gsm_signal *, gsm_byte   *));

*/

#include <jni.h>

#include "gsm.h"

#include "private.h"

#include "proto.h"

jlong

Java_org_sipdroid_media_codecs_GSMJNI_create(JNIEnv *env)

{

	return gsm_create();

}

void

Java_org_sipdroid_media_codecs_GSMJNI_destroy(JNIEnv *env, jlong jgsm)

{

	gsm_destroy((void *)jgsm);

}

void

Java_org_sipdroid_media_codecs_GSMJNI_encode(JNIEnv *env, jlong jgsm, jshortArray jgsmSignal, jlong jsrcPos, jbyteArray jgsmByte, jlong jdestPos)

{

	jshort *gsmSignal;

	jbyte *gsmByte;

	jboolean isCopyByte;

	jboolean isCopySignal;

	void *ctx = (void *) jgsm;

	gsmByte = (*env)->GetByteArrayElements( env, jgsmByte, &isCopyByte);

	gsmSignal = (*env)->GetShortArrayElements( env, jgsmSignal, &isCopySignal);

	gsm_encode(ctx, gsmSignal + jsrcPos, gsmByte + jdestPos);

	if (isCopyByte == JNI_TRUE)

		(*env)->ReleaseByteArrayElements(env, jgsmByte, gsmByte,0);

	if (isCopySignal == JNI_TRUE)

		(*env)->ReleaseShortArrayElements(env, jgsmSignal, gsmSignal,0);

}

jint

Java_org_sipdroid_media_codecs_GSMJNI_decode(JNIEnv *env, jlong jgsm, jbyteArray jgsmByte, jlong jdestPos, jshortArray jgsmSignal, jlong jsrcPos)

{

	jshort *gsmSignal;

	jbyte *gsmByte;

	jboolean isCopyByte;

	jboolean isCopySignal;

	jint res;

	gsmSignal = (*env)->GetShortArrayElements( env, jgsmSignal, &isCopySignal);

	gsmByte = (*env)->GetByteArrayElements( env, jgsmByte, &isCopyByte);

	res = gsm_decode((void *)jgsm, gsmByte + jdestPos, gsmSignal + jsrcPos);

	if (isCopyByte == JNI_TRUE)

		(*env)->ReleaseByteArrayElements(env, jgsmByte, gsmByte,0);

	if (isCopySignal == JNI_TRUE)

		(*env)->ReleaseShortArrayElements(env, jgsmSignal, gsmSignal,0);

	return res;

}

jint

Java_org_sipdroid_media_codecs_GSMJNI_option(JNIEnv *env, jlong jgsm, jint jopt, jintArray jval)

{

	jint *val;

	jboolean isCopyVal;

	jint res;

	val = (*env)->GetIntArrayElements( env, jval, &isCopyVal);

	res = gsm_option((void *)jgsm, jopt, val);

	if (isCopyVal == JNI_TRUE)

		(*env)->ReleaseIntArrayElements(env, jval, val,0);

	return res;

}