DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C)2011 D. R. Commander. All Rights Reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * - Redistributions of source code must retain the above copyright notice, |
| 8 | * this list of conditions and the following disclaimer. |
| 9 | * - Redistributions in binary form must reproduce the above copyright notice, |
| 10 | * this list of conditions and the following disclaimer in the documentation |
| 11 | * and/or other materials provided with the distribution. |
| 12 | * - Neither the name of the libjpeg-turbo Project nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived from this |
| 14 | * software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", |
| 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include "turbojpeg.h" |
| 30 | #include <jni.h> |
DRC | c5a4199 | 2011-02-08 06:54:36 +0000 | [diff] [blame] | 31 | #include "java/org_libjpegturbo_turbojpeg_TJCompressor.h" |
| 32 | #include "java/org_libjpegturbo_turbojpeg_TJDecompressor.h" |
| 33 | #include "java/org_libjpegturbo_turbojpeg_TJ.h" |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 34 | |
| 35 | #define _throw(msg) { \ |
| 36 | jclass _exccls=(*env)->FindClass(env, "java/lang/Exception"); \ |
| 37 | if(!_exccls) goto bailout; \ |
| 38 | (*env)->ThrowNew(env, _exccls, msg); \ |
| 39 | goto bailout; \ |
| 40 | } |
| 41 | |
| 42 | #define bailif0(f) {if(!(f)) goto bailout;} |
| 43 | |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 44 | #define gethandle() \ |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 45 | jclass _cls=(*env)->GetObjectClass(env, obj); \ |
| 46 | jfieldID _fid; \ |
| 47 | if(!_cls) goto bailout; \ |
| 48 | bailif0(_fid=(*env)->GetFieldID(env, _cls, "handle", "J")); \ |
| 49 | handle=(tjhandle)(long)(*env)->GetLongField(env, obj, _fid); \ |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 50 | |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 51 | JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSize |
DRC | 5ccb982 | 2011-02-04 11:22:15 +0000 | [diff] [blame] | 52 | (JNIEnv *env, jclass cls, jint width, jint height) |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 53 | { |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 54 | jint retval=(jint)TJBUFSIZE(width, height); |
DRC | 36336fc | 2011-02-22 10:27:31 +0000 | [diff] [blame] | 55 | if(retval==-1) _throw(tjGetErrorStr()); |
| 56 | |
| 57 | bailout: |
| 58 | return retval; |
| 59 | } |
| 60 | |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 61 | JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV |
DRC | 36336fc | 2011-02-22 10:27:31 +0000 | [diff] [blame] | 62 | (JNIEnv *env, jclass cls, jint width, jint height, jint subsamp) |
| 63 | { |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 64 | jint retval=(jint)TJBUFSIZEYUV(width, height, subsamp); |
DRC | 36336fc | 2011-02-22 10:27:31 +0000 | [diff] [blame] | 65 | if(retval==-1) _throw(tjGetErrorStr()); |
| 66 | |
| 67 | bailout: |
| 68 | return retval; |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 69 | } |
| 70 | |
DRC | c5a4199 | 2011-02-08 06:54:36 +0000 | [diff] [blame] | 71 | JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_init |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 72 | (JNIEnv *env, jobject obj) |
| 73 | { |
| 74 | jclass cls; |
| 75 | jfieldID fid; |
| 76 | tjhandle handle; |
| 77 | |
| 78 | if((handle=tjInitCompress())==NULL) |
| 79 | _throw(tjGetErrorStr()); |
| 80 | |
| 81 | bailif0(cls=(*env)->GetObjectClass(env, obj)); |
| 82 | bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J")); |
| 83 | (*env)->SetLongField(env, obj, fid, (long)handle); |
| 84 | |
| 85 | bailout: |
| 86 | return; |
| 87 | } |
| 88 | |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 89 | JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 90 | (JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch, |
| 91 | jint height, jint pixelsize, jbyteArray dst, jint jpegsubsamp, |
| 92 | jint jpegqual, jint flags) |
| 93 | { |
| 94 | tjhandle handle=0; |
| 95 | unsigned long size=0; |
DRC | 9af1aed | 2011-02-04 22:13:14 +0000 | [diff] [blame] | 96 | unsigned char *srcbuf=NULL, *dstbuf=NULL; |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 97 | |
| 98 | gethandle(); |
| 99 | |
| 100 | bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| 101 | bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| 102 | |
| 103 | if(tjCompress(handle, srcbuf, width, pitch, height, pixelsize, dstbuf, |
| 104 | &size, jpegsubsamp, jpegqual, flags)==-1) |
| 105 | { |
| 106 | (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| 107 | (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| 108 | _throw(tjGetErrorStr()); |
| 109 | } |
| 110 | |
| 111 | bailout: |
| 112 | if(dstbuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| 113 | if(srcbuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 114 | return (jint)size; |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 115 | } |
| 116 | |
DRC | c5a4199 | 2011-02-08 06:54:36 +0000 | [diff] [blame] | 117 | JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 118 | (JNIEnv *env, jobject obj) |
| 119 | { |
| 120 | tjhandle handle=0; |
| 121 | |
| 122 | gethandle(); |
| 123 | |
| 124 | if(tjDestroy(handle)==-1) _throw(tjGetErrorStr()); |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 125 | (*env)->SetLongField(env, obj, _fid, 0); |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 126 | |
| 127 | bailout: |
| 128 | return; |
| 129 | } |
| 130 | |
DRC | c5a4199 | 2011-02-08 06:54:36 +0000 | [diff] [blame] | 131 | JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_init |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 132 | (JNIEnv *env, jobject obj) |
| 133 | { |
| 134 | jclass cls; |
| 135 | jfieldID fid; |
| 136 | tjhandle handle; |
| 137 | |
| 138 | if((handle=tjInitDecompress())==NULL) _throw(tjGetErrorStr()); |
| 139 | |
| 140 | bailif0(cls=(*env)->GetObjectClass(env, obj)); |
| 141 | bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J")); |
| 142 | (*env)->SetLongField(env, obj, fid, (long)handle); |
| 143 | |
| 144 | bailout: |
| 145 | return; |
| 146 | } |
| 147 | |
DRC | 36336fc | 2011-02-22 10:27:31 +0000 | [diff] [blame] | 148 | JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_getScaledWidth |
| 149 | (JNIEnv *env, jobject obj, jint input_width, jint input_height, |
| 150 | jint output_width, jint output_height) |
| 151 | { |
| 152 | if(tjScaledSize(input_width, input_height, &output_width, &output_height) |
| 153 | ==-1) |
| 154 | _throw(tjGetErrorStr()); |
| 155 | |
| 156 | bailout: |
| 157 | return output_width; |
| 158 | } |
| 159 | |
| 160 | JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_getScaledHeight |
| 161 | (JNIEnv *env, jobject obj, jint input_width, jint input_height, |
| 162 | jint output_width, jint output_height) |
| 163 | { |
| 164 | if(tjScaledSize(input_width, input_height, &output_width, &output_height) |
| 165 | ==-1) |
| 166 | _throw(tjGetErrorStr()); |
| 167 | |
| 168 | bailout: |
| 169 | return output_height; |
| 170 | } |
| 171 | |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 172 | JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressHeader |
| 173 | (JNIEnv *env, jobject obj, jbyteArray src, jint size) |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 174 | { |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 175 | tjhandle handle=0; |
DRC | 9af1aed | 2011-02-04 22:13:14 +0000 | [diff] [blame] | 176 | unsigned char *srcbuf=NULL; |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 177 | int width=0, height=0, jpegsubsamp=-1; |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 178 | |
| 179 | gethandle(); |
| 180 | |
| 181 | bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| 182 | |
| 183 | if(tjDecompressHeader2(handle, srcbuf, (unsigned long)size, |
| 184 | &width, &height, &jpegsubsamp)==-1) |
| 185 | { |
| 186 | (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| 187 | _throw(tjGetErrorStr()); |
| 188 | } |
| 189 | (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); srcbuf=NULL; |
| 190 | |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 191 | bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I")); |
| 192 | (*env)->SetIntField(env, obj, _fid, jpegsubsamp); |
| 193 | bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I")); |
| 194 | (*env)->SetIntField(env, obj, _fid, width); |
| 195 | bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I")); |
| 196 | (*env)->SetIntField(env, obj, _fid, height); |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 197 | |
| 198 | bailout: |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 199 | return; |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 200 | } |
| 201 | |
DRC | c5a4199 | 2011-02-08 06:54:36 +0000 | [diff] [blame] | 202 | JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress |
DRC | 3bad53f | 2011-02-23 02:20:49 +0000 | [diff] [blame^] | 203 | (JNIEnv *env, jobject obj, jbyteArray src, jint size, jbyteArray dst, |
DRC | b28fc57 | 2011-02-22 06:41:29 +0000 | [diff] [blame] | 204 | jint width, jint pitch, jint height, jint pixelsize, jint flags) |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 205 | { |
| 206 | tjhandle handle=0; |
DRC | 9af1aed | 2011-02-04 22:13:14 +0000 | [diff] [blame] | 207 | unsigned char *srcbuf=NULL, *dstbuf=NULL; |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 208 | |
| 209 | gethandle(); |
| 210 | |
| 211 | bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| 212 | bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| 213 | |
DRC | b28fc57 | 2011-02-22 06:41:29 +0000 | [diff] [blame] | 214 | if(tjDecompress(handle, srcbuf, (unsigned long)size, dstbuf, width, pitch, |
| 215 | height, pixelsize, flags)==-1) |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 216 | { |
| 217 | (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| 218 | (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| 219 | _throw(tjGetErrorStr()); |
| 220 | } |
| 221 | |
| 222 | bailout: |
| 223 | if(dstbuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| 224 | if(srcbuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| 225 | return; |
| 226 | } |
| 227 | |
DRC | c5a4199 | 2011-02-08 06:54:36 +0000 | [diff] [blame] | 228 | JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_destroy |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 229 | (JNIEnv *env, jobject obj) |
| 230 | { |
DRC | c5a4199 | 2011-02-08 06:54:36 +0000 | [diff] [blame] | 231 | Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy(env, obj); |
DRC | f8e0055 | 2011-02-04 11:06:36 +0000 | [diff] [blame] | 232 | } |