1 

     2 

     3 /**

     4 extern gsm  gsm_create 	GSMJNI_P((void));

     5 extern void gsm_destroy GSMJNI_P((gsm));	

     6 

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

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

     9 

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

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

    12 

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

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

    15 */

    16 

    17 

    18 #include <jni.h>

    19 

    20 

    21 #include "gsm.h"

    22 #include "private.h"

    23 #include "proto.h"

    24 

    25 jlong

    26 Java_org_sipdroid_media_codecs_GSMJNI_create(JNIEnv *env)

    27 {

    28 	return gsm_create();

    29 }

    30 

    31 void

    32 Java_org_sipdroid_media_codecs_GSMJNI_destroy(JNIEnv *env, jlong jgsm)

    33 {

    34 	gsm_destroy((void *)jgsm);

    35 }

    36 

    37 void

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

    39 {

    40 	jshort *gsmSignal;

    41 	jbyte *gsmByte;

    42 	jboolean isCopyByte;

    43 	jboolean isCopySignal;

    44 	void *ctx = (void *) jgsm;

    45 

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

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

    48 	

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

    50 	if (isCopyByte == JNI_TRUE)

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

    52 	if (isCopySignal == JNI_TRUE)

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

    54 }

    55 

    56 jint

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

    58 {

    59 	jshort *gsmSignal;

    60 	jbyte *gsmByte;

    61 	jboolean isCopyByte;

    62 	jboolean isCopySignal;

    63 	jint res;

    64 

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

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

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

    68 	if (isCopyByte == JNI_TRUE)

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

    70 	if (isCopySignal == JNI_TRUE)

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

    72 	return res;

    73 }

    74 

    75 jint

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

    77 {

    78 	jint *val;

    79 	jboolean isCopyVal;

    80 	jint res;

    81 

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

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

    84 	if (isCopyVal == JNI_TRUE)

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

    86 	return res;

    87 }