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2015-09-19 10:52:26 +02:00

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/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1995,1996 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* */
/* */
/* Author: Richard Caley <rjc@cstr.ed.ac.uk> */
/* ------------------------------------------------------------------- */
/* Interface between java and C++ for EST_Wave. */
/* */
/*************************************************************************/
#include <stdio.h>
#include <signal.h>
#include "jni_Wave.h"
#include "EST_Wave.h"
#include "EST_wave_aux.h"
#include "EST_audio.h"
#include "EST_inline_utils.h"
static jobject wave_class;
static jfieldID handle_field;
static inline short abs(short s) { return s>=0?s:-s; }
static EST_Option wave_play_ops;
JNIEXPORT jboolean JNICALL
Java_cstr_est_Wave_initialise_1cpp (JNIEnv *env, jclass myclass)
{
wave_class = env->NewGlobalRef(myclass);
handle_field = env->GetFieldID(myclass, "cpp_handle", "J");
if (!handle_field)
{
printf("can't find handle!\n");
return 0;
}
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Wave_finalise_1cpp (JNIEnv *env, jclass myclass)
{
(void)env;
(void)myclass;
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Wave_create_1cpp_1wave(JNIEnv *env, jobject self)
{
EST_Wave *wave = new EST_Wave;
env->SetLongField(self, handle_field, (jlong)wave);
return 1;
}
JNIEXPORT jboolean JNICALL
Java_cstr_est_Wave_destroy_1cpp_1wave (JNIEnv *env, jobject self)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
delete wave;
return 1;
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Wave_cpp_1name (JNIEnv *env, jobject self)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
return env->NewStringUTF(wave->name());
}
JNIEXPORT void JNICALL
Java_cstr_est_Wave_cpp_1setName (JNIEnv *env, jobject self, jstring jname)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
const char *name=env->GetStringUTFChars(jname, 0);
wave->set_name(name);
env->ReleaseStringUTFChars(jname, name);
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Wave_cpp_1load (JNIEnv *env, jobject self, jstring jfilename)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
const char *filename = env->GetStringUTFChars(jfilename, 0);
const char *res = "";
EST_read_status stat = wave->load(filename);
env->ReleaseStringUTFChars(jfilename, filename);
if (stat == read_format_error)
res = "wave format error";
else if (stat == read_error)
res = "wave load error";
return env->NewStringUTF(res);
}
JNIEXPORT jstring JNICALL
Java_cstr_est_Wave_cpp_1save (JNIEnv *env, jobject self, jstring jfilename, jstring jformat)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
const char *filename = env->GetStringUTFChars(jfilename, 0);
const char *format = env->GetStringUTFChars(jformat, 0);
const char *res = "";
EST_write_status stat = wave->save(filename, format);
env->ReleaseStringUTFChars(jfilename, filename);
env->ReleaseStringUTFChars(jformat, format);
if (stat == write_error)
res = "wave save error";
return env->NewStringUTF(res);
}
JNIEXPORT void JNICALL
Java_cstr_est_Wave_cpp_1resample (JNIEnv *env, jobject self, jint rate)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
wave->resample(rate);
}
JNIEXPORT void JNICALL
Java_cstr_est_Wave_cpp_1set_1play_1ops(JNIEnv *env, jclass myclass,
jstring jprotocol,
jstring jcommand,
jstring jserver
)
{
(void)myclass;
const char *protocol = env->GetStringUTFChars(jprotocol, 0);
const char *command = env->GetStringUTFChars(jcommand, 0);
const char *server = env->GetStringUTFChars(jserver, 0);
if (*protocol)
wave_play_ops.add_item("-p",protocol);
if (*command)
wave_play_ops.add_item("-command",command);
if (*server)
wave_play_ops.add_item("-display",server);
wave_play_ops.add_item("-otype","riff");
env->ReleaseStringUTFChars(jprotocol, protocol);
env->ReleaseStringUTFChars(jcommand, command);
env->ReleaseStringUTFChars(jserver, server);
}
JNIEXPORT void JNICALL
Java_cstr_est_Wave_cpp_1play (JNIEnv *env, jobject self,
jfloat start_t, jfloat end_t)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
EST_Wave wv;
int start = (int)(start_t * wave->sample_rate() + 0.5);
int end = (int)(end_t * wave->sample_rate() + 0.5);
wave_subwave(wv, *wave, start, end-start);
// EST_write_status st = wv.save("/tmp/est_java_wave", "nist");
play_wave(wv, wave_play_ops);
}
JNIEXPORT void JNICALL
Java_cstr_est_Wave_cpp_1play_1all (JNIEnv *env, jobject self)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
play_wave(*wave, wave_play_ops);
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_cpp_1num_1channels(JNIEnv *env, jobject self)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
return wave->num_channels();
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_cpp_1num_1samples(JNIEnv *env, jobject self)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
return wave->num_samples();
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_cpp_1sample_1rate(JNIEnv *env, jobject self)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
return wave->sample_rate();
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_cpp_1amplitude(JNIEnv *env, jobject self,
jint c)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
short a=0;
for(int i=0; i<wave->num_samples(); i++)
{
short p = wave->a(i,c);
if (abs(p) > a)
a=abs(p);
}
return a;
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_a__II(JNIEnv *env, jobject self,
jint x,
jint c)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
return wave->a(x,c);
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_a__FI(JNIEnv *env, jobject self,
jfloat t,
jint c)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
return wave->a(irint(t*wave->sample_rate()),c);
}
JNIEXPORT void JNICALL
Java_cstr_est_Wave_cpp_1getScanlines(JNIEnv *env, jobject self,
jint c,
jbyteArray line,
jint lstart, jint lnum,
jint xoff, jint chunk,
jint width, jint height,
jint amp)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
jbyte *pixels = env->GetByteArrayElements(line, 0);
int num_samples = wave->num_samples();
short *data = wave->values().memory();
int channels = wave->num_channels();
for(int l=lstart; l<lstart+lnum; l++)
{
int min = (int)((float)(height - l)*amp*2.0/height-amp+0.5);
int max = (int)((float)(height - l+1)*amp*2.0/height-amp+0.5);
jbyte *lpixels = pixels + (l-lstart)*chunk;
short la=0;
int from=(int)((float)xoff*num_samples/width+0.5);
for(int i=xoff; i<xoff+chunk; i++)
{
int fl=0;
int to = (int)((i+1.0)*num_samples/width+0.5);
for(int j=from; j<to; j++)
{
short a = data[j*channels + c];
if ((a>min && la <=max)|| (la > min && a <=max))
fl++;
la=a;
}
lpixels[i-xoff] = fl<5?fl:4;
from=to;
}
}
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_cpp_1getMin(JNIEnv *env, jobject self,
jint c, jint x1, jint x2)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
int minv=64000;
if (x1<0) x1 = 0;
if (x2>wave->num_samples()) x2 = wave->num_samples();
for(int x=x1; x<x2; x++)
{
short v = wave->a(x,c);
if (v<minv)
minv=v;
}
return minv;
}
JNIEXPORT jint JNICALL
Java_cstr_est_Wave_cpp_1getMax(JNIEnv *env, jobject self,
jint c, jint x1, jint x2)
{
EST_Wave *wave = (EST_Wave *) env->GetLongField(self, handle_field);
int maxv=-64000;
if (x1<0) x1 = 0;
if (x2>wave->num_samples()) x2 = wave->num_samples();
for(int x=x1; x<x2; x++)
{
short v = wave->a(x, c);
if (v>maxv)
maxv=v;
}
return maxv;
}