1 /**

     2 

     3 g722_encode_state_t *g722_encode_init(g722_encode_state_t *s, int rate, int options);

     4 int g722_encode_release(g722_encode_state_t *s);

     5 int g722_encode(g722_encode_state_t *s, uint8_t g722_data[], const int16_t amp[], int len);

     6 

     7 g722_decode_state_t *g722_decode_init(g722_decode_state_t *s, int rate, int options);

     8 int g722_decode_release(g722_decode_state_t *s);

     9 int g722_decode(g722_decode_state_t *s, int16_t amp[], const uint8_t g722_data[], int len);

    10 

    11 */

    12 

    13 #include <jni.h>

    14 #include "g722.h"

    15 

    16 jlong

    17 Java_org_sipdroid_media_codecs_G722JNI_encodeInit(JNIEnv *env, jlong jg722State, jint rate, jint options)

    18 {

    19 	return g722_encode_init((void *) jg722State, rate, options);

    20 }

    21 

    22 jint

    23 Java_org_sipdroid_media_codecs_G722JNI_encodeRelease(JNIEnv *env, jlong jg722State)

    24 {

    25 	return g722_encode_release((void *) jg722State);

    26 }

    27 

    28 jint

    29 Java_org_sipdroid_media_codecs_G722JNI_encode(JNIEnv *env, jlong  jg722State, jshortArray jsignal, jlong jsrcPos, jbyteArray jg722Byte, jlong jdestPos, jint len)

    30 {

    31 	jshort *signal;

    32 	jbyte *g722Byte;

    33 	jboolean isCopyByte;

    34 	jboolean isCopySignal;

    35 	void *ctx = (void *) jg722State;

    36 	jint res;

    37 

    38 	g722Byte = (*env)->GetByteArrayElements(env, jg722Byte, &isCopyByte);

    39 	signal = (*env)->GetShortArrayElements(env, jsignal, &isCopySignal);

    40 

    41 	res = g722_encode(ctx, g722Byte + jdestPos, signal + jsrcPos, len);

    42 	if (isCopyByte == JNI_TRUE)

    43 		(*env)->ReleaseByteArrayElements(env, jg722Byte, g722Byte, 0);

    44 	if (isCopySignal == JNI_TRUE)

    45 		(*env)->ReleaseShortArrayElements(env, jsignal, signal, 0);

    46 	return res;

    47 }

    48 

    49 jlong

    50 Java_org_sipdroid_media_codecs_G722JNI_decodeInit(JNIEnv *env, jlong jg722State, jint rate, jint options)

    51 {

    52 	return g722_decode_init((void *) jg722State, rate, options);

    53 }

    54 

    55 jint

    56 Java_org_sipdroid_media_codecs_G722JNI_decodeRelease(JNIEnv *env, jlong jg722State)

    57 {

    58 	return g722_decode_release((void *) jg722State);

    59 }

    60 

    61 jint

    62 Java_org_sipdroid_media_codecs_G722JNI_decode(JNIEnv *env, jlong  jg722State, jbyteArray jg722Byte, jlong jsrcPos, jshortArray jsignal, jlong jdestPos, jint len)

    63 {

    64 	jshort *signal;

    65 	jbyte *g722Byte;

    66 	jboolean isCopyByte;

    67 	jboolean isCopySignal;

    68 	void *ctx = (void *) jg722State;

    69 	jint res;

    70 

    71 	g722Byte = (*env)->GetByteArrayElements(env, jg722Byte, &isCopyByte);

    72 	signal = (*env)->GetShortArrayElements(env, jsignal, &isCopySignal);

    73 

    74 	res = g722_decode(ctx, signal + jdestPos, g722Byte + jsrcPos, len);

    75 	if (isCopyByte == JNI_TRUE)

    76 		(*env)->ReleaseByteArrayElements(env, jg722Byte, g722Byte, 0);

    77 	if (isCopySignal == JNI_TRUE)

    78 		(*env)->ReleaseShortArrayElements(env, jsignal, signal, 0);

    79 	return res;

    80 }