| /* |
| * Copyright (C)2011 D. R. Commander. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * - Neither the name of the libjpeg-turbo Project nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include "turbojpeg.h" |
| #include <jni.h> |
| #include "java/org_libjpegturbo_turbojpeg_TJCompressor.h" |
| #include "java/org_libjpegturbo_turbojpeg_TJDecompressor.h" |
| #include "java/org_libjpegturbo_turbojpeg_TJ.h" |
| |
| #define _throw(msg) { \ |
| jclass _exccls=(*env)->FindClass(env, "java/lang/Exception"); \ |
| if(!_exccls) goto bailout; \ |
| (*env)->ThrowNew(env, _exccls, msg); \ |
| goto bailout; \ |
| } |
| |
| #define bailif0(f) {if(!(f)) goto bailout;} |
| |
| #define gethandle() \ |
| jclass _cls=(*env)->GetObjectClass(env, obj); \ |
| jfieldID _fid; \ |
| if(!_cls) goto bailout; \ |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "handle", "J")); \ |
| handle=(tjhandle)(jlong)(*env)->GetLongField(env, obj, _fid); \ |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSize |
| (JNIEnv *env, jclass cls, jint width, jint height, jint jpegSubsamp) |
| { |
| jint retval=(jint)tjBufSize(width, height, jpegSubsamp); |
| if(retval==-1) _throw(tjGetErrorStr()); |
| |
| bailout: |
| return retval; |
| } |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV |
| (JNIEnv *env, jclass cls, jint width, jint height, jint subsamp) |
| { |
| jint retval=(jint)tjBufSizeYUV(width, height, subsamp); |
| if(retval==-1) _throw(tjGetErrorStr()); |
| |
| bailout: |
| return retval; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_init |
| (JNIEnv *env, jobject obj) |
| { |
| jclass cls; |
| jfieldID fid; |
| tjhandle handle; |
| |
| if((handle=tjInitCompress())==NULL) |
| _throw(tjGetErrorStr()); |
| |
| bailif0(cls=(*env)->GetObjectClass(env, obj)); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J")); |
| (*env)->SetLongField(env, obj, fid, (jlong)handle); |
| |
| bailout: |
| return; |
| } |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIII_3BIII |
| (JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch, |
| jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual, |
| jint flags) |
| { |
| tjhandle handle=0; |
| unsigned long jpegSize=0; jsize arraySize=0; |
| unsigned char *srcBuf=NULL, *jpegBuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1 |
| || pitch<0) |
| _throw("Invalid argument in compress()"); |
| if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF) |
| _throw("Mismatch between Java and C API"); |
| |
| arraySize=(pitch==0)? width*tjPixelSize[pf]*height:pitch*height; |
| if((*env)->GetArrayLength(env, src)<arraySize) |
| _throw("Source buffer is not large enough"); |
| jpegSize=tjBufSize(width, height, jpegSubsamp); |
| if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize) |
| _throw("Destination buffer is not large enough"); |
| |
| bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjCompress2(handle, srcBuf, width, pitch, height, pf, &jpegBuf, |
| &jpegSize, jpegSubsamp, jpegQual, flags|TJFLAG_NOREALLOC)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| jpegBuf=srcBuf=NULL; |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0); |
| if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| return (jint)jpegSize; |
| } |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIII_3BIII |
| (JNIEnv *env, jobject obj, jintArray src, jint width, jint pitch, |
| jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual, |
| jint flags) |
| { |
| tjhandle handle=0; |
| unsigned long jpegSize=0; jsize arraySize=0; |
| unsigned char *srcBuf=NULL, *jpegBuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1 |
| || pitch<0) |
| _throw("Invalid argument in compress()"); |
| if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF) |
| _throw("Mismatch between Java and C API"); |
| if(tjPixelSize[pf]!=sizeof(jint)) |
| _throw("Pixel format must be 32-bit when compressing from an integer buffer."); |
| |
| arraySize=(pitch==0)? width*height:pitch*height; |
| if((*env)->GetArrayLength(env, src)<arraySize) |
| _throw("Source buffer is not large enough"); |
| jpegSize=tjBufSize(width, height, jpegSubsamp); |
| if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize) |
| _throw("Destination buffer is not large enough"); |
| |
| bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjCompress2(handle, srcBuf, width, pitch*sizeof(jint), height, pf, |
| &jpegBuf, &jpegSize, jpegSubsamp, jpegQual, flags|TJFLAG_NOREALLOC)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| jpegBuf=srcBuf=NULL; |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0); |
| if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| return (jint)jpegSize; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3BIIII_3BII |
| (JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch, |
| jint height, jint pf, jbyteArray dst, jint subsamp, jint flags) |
| { |
| tjhandle handle=0; |
| jsize arraySize=0; |
| unsigned char *srcBuf=NULL, *dstBuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1 |
| || pitch<0) |
| _throw("Invalid argument in encodeYUV()"); |
| if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF) |
| _throw("Mismatch between Java and C API"); |
| |
| arraySize=(pitch==0)? width*tjPixelSize[pf]*height:pitch*height; |
| if((*env)->GetArrayLength(env, src)<arraySize) |
| _throw("Source buffer is not large enough"); |
| if((*env)->GetArrayLength(env, dst) |
| <(jsize)tjBufSizeYUV(width, height, subsamp)) |
| _throw("Destination buffer is not large enough"); |
| |
| bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjEncodeYUV2(handle, srcBuf, width, pitch, height, pf, dstBuf, subsamp, |
| flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| dstBuf=srcBuf=NULL; |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3IIIII_3BII |
| (JNIEnv *env, jobject obj, jintArray src, jint width, jint pitch, |
| jint height, jint pf, jbyteArray dst, jint subsamp, jint flags) |
| { |
| tjhandle handle=0; |
| jsize arraySize=0; |
| unsigned char *srcBuf=NULL, *dstBuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1 |
| || pitch<0) |
| _throw("Invalid argument in compress()"); |
| if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF) |
| _throw("Mismatch between Java and C API"); |
| if(tjPixelSize[pf]!=sizeof(jint)) |
| _throw("Pixel format must be 32-bit when encoding from an integer buffer."); |
| |
| arraySize=(pitch==0)? width*height:pitch*height; |
| if((*env)->GetArrayLength(env, src)<arraySize) |
| _throw("Source buffer is not large enough"); |
| if((*env)->GetArrayLength(env, dst) |
| <(jsize)tjBufSizeYUV(width, height, subsamp)) |
| _throw("Destination buffer is not large enough"); |
| |
| bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjEncodeYUV2(handle, srcBuf, width, pitch*sizeof(jint), height, pf, |
| dstBuf, subsamp, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| dstBuf=srcBuf=NULL; |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0); |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy |
| (JNIEnv *env, jobject obj) |
| { |
| tjhandle handle=0; |
| |
| gethandle(); |
| |
| if(tjDestroy(handle)==-1) _throw(tjGetErrorStr()); |
| (*env)->SetLongField(env, obj, _fid, 0); |
| |
| bailout: |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_init |
| (JNIEnv *env, jobject obj) |
| { |
| jclass cls; |
| jfieldID fid; |
| tjhandle handle; |
| |
| if((handle=tjInitDecompress())==NULL) _throw(tjGetErrorStr()); |
| |
| bailif0(cls=(*env)->GetObjectClass(env, obj)); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J")); |
| (*env)->SetLongField(env, obj, fid, (jlong)handle); |
| |
| bailout: |
| return; |
| } |
| |
| JNIEXPORT jobjectArray JNICALL Java_org_libjpegturbo_turbojpeg_TJ_getScalingFactors |
| (JNIEnv *env, jclass cls) |
| { |
| jclass sfcls=NULL; jfieldID fid=0; |
| tjscalingfactor *sf=NULL; int n=0, i; |
| jobject sfobj=NULL; |
| jobjectArray sfjava=NULL; |
| |
| if((sf=tjGetScalingFactors(&n))==NULL || n==0) |
| _throw(tjGetErrorStr()); |
| |
| bailif0(sfcls=(*env)->FindClass(env, "org/libjpegturbo/turbojpeg/TJScalingFactor")); |
| bailif0(sfjava=(jobjectArray)(*env)->NewObjectArray(env, n, sfcls, 0)); |
| |
| for(i=0; i<n; i++) |
| { |
| bailif0(sfobj=(*env)->AllocObject(env, sfcls)); |
| bailif0(fid=(*env)->GetFieldID(env, sfcls, "num", "I")); |
| (*env)->SetIntField(env, sfobj, fid, sf[i].num); |
| bailif0(fid=(*env)->GetFieldID(env, sfcls, "denom", "I")); |
| (*env)->SetIntField(env, sfobj, fid, sf[i].denom); |
| (*env)->SetObjectArrayElement(env, sfjava, i, sfobj); |
| } |
| |
| bailout: |
| return sfjava; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressHeader |
| (JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize) |
| { |
| tjhandle handle=0; |
| unsigned char *jpegBuf=NULL; |
| int width=0, height=0, jpegSubsamp=-1; |
| |
| gethandle(); |
| |
| if((*env)->GetArrayLength(env, src)<jpegSize) |
| _throw("Source buffer is not large enough"); |
| |
| bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| |
| if(tjDecompressHeader2(handle, jpegBuf, (unsigned long)jpegSize, |
| &width, &height, &jpegSubsamp)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); |
| _throw(tjGetErrorStr()); |
| } |
| (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); jpegBuf=NULL; |
| |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I")); |
| (*env)->SetIntField(env, obj, _fid, jpegSubsamp); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I")); |
| (*env)->SetIntField(env, obj, _fid, width); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I")); |
| (*env)->SetIntField(env, obj, _fid, height); |
| |
| bailout: |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIII |
| (JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst, |
| jint width, jint pitch, jint height, jint pf, jint flags) |
| { |
| tjhandle handle=0; |
| jsize arraySize=0; |
| unsigned char *jpegBuf=NULL, *dstBuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF) |
| _throw("Invalid argument in decompress()"); |
| if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF) |
| _throw("Mismatch between Java and C API"); |
| |
| if((*env)->GetArrayLength(env, src)<jpegSize) |
| _throw("Source buffer is not large enough"); |
| arraySize=(pitch==0)? width*tjPixelSize[pf]*height:pitch*height; |
| if((*env)->GetArrayLength(env, dst)<arraySize) |
| _throw("Destination buffer is not large enough"); |
| |
| bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjDecompress2(handle, jpegBuf, (unsigned long)jpegSize, dstBuf, width, |
| pitch, height, pf, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); |
| dstBuf=jpegBuf=NULL; |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIII |
| (JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jintArray dst, |
| jint width, jint pitch, jint height, jint pf, jint flags) |
| { |
| tjhandle handle=0; |
| jsize arraySize=0; |
| unsigned char *jpegBuf=NULL, *dstBuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF) |
| _throw("Invalid argument in decompress()"); |
| if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF) |
| _throw("Mismatch between Java and C API"); |
| if(tjPixelSize[pf]!=sizeof(jint)) |
| _throw("Pixel format must be 32-bit when decompressing to an integer buffer."); |
| |
| if((*env)->GetArrayLength(env, src)<jpegSize) |
| _throw("Source buffer is not large enough"); |
| arraySize=(pitch==0)? width*height:pitch*height; |
| if((*env)->GetArrayLength(env, dst)<arraySize) |
| _throw("Destination buffer is not large enough"); |
| |
| bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjDecompress2(handle, jpegBuf, (unsigned long)jpegSize, dstBuf, width, |
| pitch*sizeof(jint), height, pf, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); |
| dstBuf=jpegBuf=NULL; |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressToYUV |
| (JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst, |
| jint flags) |
| { |
| tjhandle handle=0; |
| unsigned char *jpegBuf=NULL, *dstBuf=NULL; |
| int jpegSubsamp=-1, jpegWidth=0, jpegHeight=0; |
| |
| gethandle(); |
| |
| if((*env)->GetArrayLength(env, src)<jpegSize) |
| _throw("Source buffer is not large enough"); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I")); |
| jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I")); |
| jpegWidth=(int)(*env)->GetIntField(env, obj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I")); |
| jpegHeight=(int)(*env)->GetIntField(env, obj, _fid); |
| if((*env)->GetArrayLength(env, dst) |
| <(jsize)tjBufSizeYUV(jpegWidth, jpegHeight, jpegSubsamp)) |
| _throw("Destination buffer is not large enough"); |
| |
| bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjDecompressToYUV(handle, jpegBuf, (unsigned long)jpegSize, dstBuf, |
| flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); |
| dstBuf=jpegBuf=NULL; |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0); |
| if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_init |
| (JNIEnv *env, jobject obj) |
| { |
| jclass cls; |
| jfieldID fid; |
| tjhandle handle; |
| |
| if((handle=tjInitTransform())==NULL) _throw(tjGetErrorStr()); |
| |
| bailif0(cls=(*env)->GetObjectClass(env, obj)); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J")); |
| (*env)->SetLongField(env, obj, fid, (jlong)handle); |
| |
| bailout: |
| return; |
| } |
| |
| typedef struct _JNICustomFilterParams |
| { |
| JNIEnv *env; |
| jobject tobj; |
| jobject cfobj; |
| } JNICustomFilterParams; |
| |
| static int JNICustomFilter(short *coeffs, tjregion arrayRegion, |
| tjregion planeRegion, int componentIndex, int transformIndex, |
| tjtransform *transform) |
| { |
| JNICustomFilterParams *params=(JNICustomFilterParams *)transform->data; |
| JNIEnv *env=params->env; |
| jobject tobj=params->tobj, cfobj=params->cfobj; |
| jobject arrayRegionObj, planeRegionObj, bufobj, borobj; |
| jclass cls; jmethodID mid; jfieldID fid; |
| |
| bailif0(bufobj=(*env)->NewDirectByteBuffer(env, coeffs, |
| sizeof(short)*arrayRegion.w*arrayRegion.h)); |
| bailif0(cls=(*env)->FindClass(env, "java/nio/ByteOrder")); |
| bailif0(mid=(*env)->GetStaticMethodID(env, cls, "nativeOrder", |
| "()Ljava/nio/ByteOrder;")); |
| bailif0(borobj=(*env)->CallStaticObjectMethod(env, cls, mid)); |
| bailif0(cls=(*env)->GetObjectClass(env, bufobj)); |
| bailif0(mid=(*env)->GetMethodID(env, cls, "order", |
| "(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;")); |
| (*env)->CallObjectMethod(env, bufobj, mid, borobj); |
| bailif0(mid=(*env)->GetMethodID(env, cls, "asShortBuffer", |
| "()Ljava/nio/ShortBuffer;")); |
| bailif0(bufobj=(*env)->CallObjectMethod(env, bufobj, mid)); |
| |
| bailif0(cls=(*env)->FindClass(env, "java/awt/Rectangle")); |
| bailif0(arrayRegionObj=(*env)->AllocObject(env, cls)); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "x", "I")); |
| (*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.x); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "y", "I")); |
| (*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.y); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "width", "I")); |
| (*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.w); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "height", "I")); |
| (*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.h); |
| |
| bailif0(planeRegionObj=(*env)->AllocObject(env, cls)); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "x", "I")); |
| (*env)->SetIntField(env, planeRegionObj, fid, planeRegion.x); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "y", "I")); |
| (*env)->SetIntField(env, planeRegionObj, fid, planeRegion.y); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "width", "I")); |
| (*env)->SetIntField(env, planeRegionObj, fid, planeRegion.w); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "height", "I")); |
| (*env)->SetIntField(env, planeRegionObj, fid, planeRegion.h); |
| |
| bailif0(cls=(*env)->GetObjectClass(env, cfobj)); |
| bailif0(mid=(*env)->GetMethodID(env, cls, "customFilter", |
| "(Ljava/nio/ShortBuffer;Ljava/awt/Rectangle;Ljava/awt/Rectangle;IILorg/libjpegturbo/turbojpeg/TJTransform;)V")); |
| (*env)->CallVoidMethod(env, cfobj, mid, bufobj, arrayRegionObj, |
| planeRegionObj, componentIndex, transformIndex, tobj); |
| |
| return 0; |
| |
| bailout: |
| return -1; |
| } |
| |
| JNIEXPORT jintArray JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_transform |
| (JNIEnv *env, jobject obj, jbyteArray jsrcBuf, jint jpegSize, |
| jobjectArray dstobjs, jobjectArray tobjs, jint flags) |
| { |
| tjhandle handle=0; int i; |
| unsigned char *jpegBuf=NULL, **dstBufs=NULL; jsize n=0; |
| unsigned long *dstSizes=NULL; tjtransform *t=NULL; |
| jbyteArray *jdstBufs=NULL; |
| int jpegWidth=0, jpegHeight=0, jpegSubsamp; |
| jintArray jdstSizes=0; jint *dstSizesi=NULL; |
| JNICustomFilterParams *params=NULL; |
| |
| gethandle(); |
| |
| if((*env)->GetArrayLength(env, jsrcBuf)<jpegSize) |
| _throw("Source buffer is not large enough"); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I")); |
| jpegWidth=(int)(*env)->GetIntField(env, obj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I")); |
| jpegHeight=(int)(*env)->GetIntField(env, obj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I")); |
| jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid); |
| |
| n=(*env)->GetArrayLength(env, dstobjs); |
| if(n!=(*env)->GetArrayLength(env, tobjs)) |
| _throw("Mismatch between size of transforms array and destination buffers array"); |
| |
| if((dstBufs=(unsigned char **)malloc(sizeof(unsigned char *)*n))==NULL) |
| _throw("Memory allocation failure"); |
| if((jdstBufs=(jbyteArray *)malloc(sizeof(jbyteArray)*n))==NULL) |
| _throw("Memory allocation failure"); |
| if((dstSizes=(unsigned long *)malloc(sizeof(unsigned long)*n))==NULL) |
| _throw("Memory allocation failure"); |
| if((t=(tjtransform *)malloc(sizeof(tjtransform)*n))==NULL) |
| _throw("Memory allocation failure"); |
| if((params=(JNICustomFilterParams *)malloc(sizeof(JNICustomFilterParams)*n)) |
| ==NULL) |
| _throw("Memory allocation failure"); |
| for(i=0; i<n; i++) |
| { |
| dstBufs[i]=NULL; jdstBufs[i]=NULL; dstSizes[i]=0; |
| memset(&t[i], 0, sizeof(tjtransform)); |
| memset(¶ms[i], 0, sizeof(JNICustomFilterParams)); |
| } |
| |
| for(i=0; i<n; i++) |
| { |
| jobject tobj, cfobj; |
| |
| bailif0(tobj=(*env)->GetObjectArrayElement(env, tobjs, i)); |
| bailif0(_cls=(*env)->GetObjectClass(env, tobj)); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "op", "I")); |
| t[i].op=(*env)->GetIntField(env, tobj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "options", "I")); |
| t[i].options=(*env)->GetIntField(env, tobj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "x", "I")); |
| t[i].r.x=(*env)->GetIntField(env, tobj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "y", "I")); |
| t[i].r.y=(*env)->GetIntField(env, tobj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "width", "I")); |
| t[i].r.w=(*env)->GetIntField(env, tobj, _fid); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "height", "I")); |
| t[i].r.h=(*env)->GetIntField(env, tobj, _fid); |
| |
| t[i].customFilter=JNICustomFilter; |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "cf", |
| "Lorg/libjpegturbo/turbojpeg/TJCustomFilter;")); |
| bailif0(cfobj=(*env)->GetObjectField(env, tobj, _fid)); |
| params[i].env=env; |
| params[i].tobj=tobj; |
| params[i].cfobj=cfobj; |
| t[i].data=(void *)¶ms[i]; |
| } |
| |
| bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, jsrcBuf, 0)); |
| for(i=0; i<n; i++) |
| { |
| int w=jpegWidth, h=jpegHeight; |
| if(t[i].r.w!=0) w=t[i].r.w; |
| if(t[i].r.h!=0) h=t[i].r.h; |
| bailif0(jdstBufs[i]=(*env)->GetObjectArrayElement(env, dstobjs, i)); |
| if((*env)->GetArrayLength(env, jdstBufs[i])<tjBufSize(w, h, jpegSubsamp)) |
| _throw("Destination buffer is not large enough"); |
| bailif0(dstBufs[i]=(*env)->GetPrimitiveArrayCritical(env, jdstBufs[i], 0)); |
| } |
| |
| if(tjTransform(handle, jpegBuf, jpegSize, n, dstBufs, dstSizes, t, |
| flags|TJFLAG_NOREALLOC)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0); |
| jpegBuf=NULL; |
| for(i=0; i<n; i++) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0); |
| dstBufs[i]=NULL; |
| } |
| _throw(tjGetErrorStr()); |
| } |
| |
| jdstSizes=(*env)->NewIntArray(env, n); |
| bailif0(dstSizesi=(*env)->GetIntArrayElements(env, jdstSizes, 0)); |
| for(i=0; i<n; i++) dstSizesi[i]=(int)dstSizes[i]; |
| |
| bailout: |
| if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0); |
| if(dstBufs) |
| { |
| for(i=0; i<n; i++) |
| { |
| if(dstBufs[i] && jdstBufs && jdstBufs[i]) |
| (*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0); |
| } |
| free(dstBufs); |
| } |
| if(jdstBufs) free(jdstBufs); |
| if(dstSizes) free(dstSizes); |
| if(dstSizesi) (*env)->ReleaseIntArrayElements(env, jdstSizes, dstSizesi, 0); |
| if(t) free(t); |
| return jdstSizes; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_destroy |
| (JNIEnv *env, jobject obj) |
| { |
| Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy(env, obj); |
| } |