320 lines
9.1 KiB
C++
320 lines
9.1 KiB
C++
/*************************************************************************/
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/* */
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/* Centre for Speech Technology Research */
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/* University of Edinburgh, UK */
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/* Copyright (c) 1995,1996 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* */
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/* Author: Richard Caley <rjc@cstr.ed.ac.uk> */
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/* ------------------------------------------------------------------- */
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/* Interface Between Java And C++ For Est_Track. */
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/* */
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/*************************************************************************/
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#include <stdio.h>
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#include "jni_Track.h"
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#include "EST_Track.h"
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#include "EST_track_aux.h"
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static jobject track_class;
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static jfieldID handle_field;
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static inline short abs(short s) { return s>0?s:-s; }
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static jint frame_before(EST_Track *track, jfloat t)
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{
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if (track->equal_space())
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{
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float s = track->shift();
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int f = (int)(t/s)-1;
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if (f<0)
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f=0;
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// fprintf(stderr, "fb t=%f s=%f f=%d\n", t, s, f);
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return f;
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}
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else
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{
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int f=0;
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for(int i=0; i<track->num_frames(); f=i++)
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if (track->t(i)>=t)
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break;
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return f;
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}
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}
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static jint frame_after(EST_Track *track, jfloat t)
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{
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if (track->equal_space())
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{
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float s = track->shift();
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int f = (int)(t/s)+1;
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if (f>track->num_frames())
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f=track->num_frames();
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// fprintf(stderr, "fa t=%f s=%f f=%d\n", t, s, f);
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return f;
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}
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else
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{
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int i;
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for(i=0; i<track->num_frames(); i++)
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if (track->t(i)>=t)
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break;
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return i;
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}
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Track_initialise_1cpp (JNIEnv *env, jclass myclass)
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{
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track_class = env->NewGlobalRef(myclass);
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handle_field = env->GetFieldID(myclass, "cpp_handle", "J");
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if (!handle_field)
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{
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printf("can't find handle!\n");
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return 0;
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}
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return 1;
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Track_finalise_1cpp (JNIEnv *env, jclass myclass)
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{
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(void)env;
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(void)myclass;
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return 1;
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Track_create_1cpp_1track(JNIEnv *env, jobject self)
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{
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EST_Track *track = new EST_Track;
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// printf("create track %p\n", track);
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env->SetLongField(self, handle_field, (jlong)track);
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return 1;
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Track_destroy_1cpp_1track (JNIEnv *env, jobject self)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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// printf("destroy track %p\n", track);
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delete track;
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return 1;
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}
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JNIEXPORT jstring JNICALL
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Java_cstr_est_Track_cpp_1name (JNIEnv *env, jobject self)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return env->NewStringUTF(track->name());
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}
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JNIEXPORT jstring JNICALL
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Java_cstr_est_Track_cpp_1load (JNIEnv *env, jobject self, jstring jfilename)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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const char *filename = env->GetStringUTFChars(jfilename, 0);
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const char *res = "";
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EST_read_status stat = track->load(filename);
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env->ReleaseStringUTFChars(jfilename, filename);
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if (stat == read_format_error)
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res = "track format error";
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else if (stat == read_error)
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res = "track load error";
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return env->NewStringUTF(res);
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}
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JNIEXPORT jstring JNICALL
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Java_cstr_est_Track_cpp_1save (JNIEnv *env, jobject self,
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jstring jfilename, jstring jformat,
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jfloat start,
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jfloat end)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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const char *filename = env->GetStringUTFChars(jfilename, 0);
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const char *format = env->GetStringUTFChars(jformat, 0);
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const char *res = "";
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int sframe = frame_before(track, start);
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int eframe = frame_after(track, end);
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EST_Track segment;
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track->sub_track(segment,
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sframe, eframe-sframe,
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0, EST_ALL);
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EST_write_status stat = segment.save(filename, format);
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env->ReleaseStringUTFChars(jfilename, filename);
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env->ReleaseStringUTFChars(jformat, format);
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if (stat == write_error)
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res = "track save error";
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return env->NewStringUTF(res);
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}
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JNIEXPORT jint JNICALL
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Java_cstr_est_Track_cpp_1num_1frames(JNIEnv *env, jobject self)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return track->num_frames();
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}
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JNIEXPORT jint JNICALL
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Java_cstr_est_Track_cpp_1num_1channels(JNIEnv *env, jobject self)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return track->num_channels();
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}
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JNIEXPORT jfloat JNICALL
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Java_cstr_est_Track_cpp_1getEndTime(JNIEnv *env, jobject self)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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int f = track->num_frames()-1;
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return f>=0?track->t(f):0.0;
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}
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JNIEXPORT jstring JNICALL
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Java_cstr_est_Track_cpp_1channelName(JNIEnv *env, jobject self,
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jint i)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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EST_String cname(i>=0 && i < track->num_channels()
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?track->channel_name(i)
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:EST_String::Empty);
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return env->NewStringUTF(cname);
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}
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JNIEXPORT jint JNICALL
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Java_cstr_est_Track_cpp_1channelPosition(JNIEnv *env, jobject self,
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jstring jname)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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const char *name = env->GetStringUTFChars(jname, 0);
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int p = track->channel_position(name);
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env->ReleaseStringUTFChars(jname, name);
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return p;
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}
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JNIEXPORT jfloat JNICALL
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Java_cstr_est_Track_a__II(JNIEnv *env, jobject self,
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jint f, jint c)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return track->a((int)f,(int)c);
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}
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JNIEXPORT jfloat JNICALL
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Java_cstr_est_Track_a__FI(JNIEnv *env, jobject self,
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jfloat t, jint c)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return track->a((float)t,(int)c);
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}
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JNIEXPORT jfloat JNICALL
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Java_cstr_est_Track_cpp_1t(JNIEnv *env, jobject self,
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jint f)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return track->t((int)f);
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}
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JNIEXPORT jboolean JNICALL
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Java_cstr_est_Track_cpp_1val(JNIEnv *env, jobject self,
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jint f)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return track->val((int)f);
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}
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JNIEXPORT jint JNICALL
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Java_cstr_est_Track_cpp_1frameBefore(JNIEnv *env, jobject self,
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jfloat t)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return frame_before(track, t);
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}
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JNIEXPORT jint JNICALL
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Java_cstr_est_Track_cpp_1frameAfter(JNIEnv *env, jobject self,
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jfloat t)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return frame_after(track, t);
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}
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JNIEXPORT jint JNICALL
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Java_cstr_est_Track_cpp_1frameNearest(JNIEnv *env, jobject self,
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jfloat t)
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{
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EST_Track *track = (EST_Track *) env->GetLongField(self, handle_field);
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return track->index(t);
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}
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