text: /*
   * Copyright (C)2011-2016 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"
  #ifdef WIN32
  #include "tjutil.h"
  #endif
  #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 PAD(v, p) ((v+(p)-1)&(~((p)-1)))
  
  #define _throw(msg, exceptionClass) {  \
  	jclass _exccls=(*env)->FindClass(env, exceptionClass);  \
  	if(!_exccls || (*env)->ExceptionCheck(env)) goto bailout;  \
  	(*env)->ThrowNew(env, _exccls, msg);  \
  	goto bailout;  \
  }
  
  #define _throwtj() _throw(tjGetErrorStr(), "org/libjpegturbo/turbojpeg/TJException")
  
  #define _throwarg(msg) _throw(msg, "java/lang/IllegalArgumentException")
  
  #define _throwmem() _throw("Memory allocation failure", "java/lang/OutOfMemoryError");
  
  #define bailif0(f) {if(!(f) || (*env)->ExceptionCheck(env)) {  \
  	goto bailout;  \
  }}
  
  #define gethandle()  \
  	jclass _cls=(*env)->GetObjectClass(env, obj);  \
  	jfieldID _fid;  \
  	if(!_cls || (*env)->ExceptionCheck(env)) goto bailout;  \
  	bailif0(_fid=(*env)->GetFieldID(env, _cls, "handle", "J"));  \
  	handle=(tjhandle)(size_t)(*env)->GetLongField(env, obj, _fid);  \
  
  #ifdef _WIN32
  #define setenv(envvar, value, dummy) _putenv_s(envvar, value)
  #endif
  
  #define prop2env(property, envvar)  \
  {  \
  	if((jName=(*env)->NewStringUTF(env, property))!=NULL  \
  		&& (jValue=(*env)->CallStaticObjectMethod(env, cls, mid, jName))!=NULL)  \
  	{  \
  		if((value=(*env)->GetStringUTFChars(env, jValue, 0))!=NULL)  \
  		{  \
  			setenv(envvar, value, 1);  \
  			(*env)->ReleaseStringUTFChars(env, jValue, value);  \
  		}  \
  	}  \
  }
  
  int ProcessSystemProperties(JNIEnv *env)
  {
  	jclass cls;  jmethodID mid;
  	jstring jName, jValue;
  	const char *value;
  
  	bailif0(cls=(*env)->FindClass(env, "java/lang/System"));
  	bailif0(mid=(*env)->GetStaticMethodID(env, cls, "getProperty",
  		"(Ljava/lang/String;)Ljava/lang/String;"));
  
  	prop2env("turbojpeg.optimize", "TJ_OPTIMIZE");
  	prop2env("turbojpeg.arithmetic", "TJ_ARITHMETIC");
  	prop2env("turbojpeg.restart", "TJ_RESTART");
  	prop2env("turbojpeg.progressive", "TJ_PROGRESSIVE");
  	return 0;
  
  	bailout:
  	return -1;
  }
  
  /* TurboJPEG 1.2.x: TJ::bufSize() */
  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) _throwarg(tjGetErrorStr());
  
  	bailout:
  	return retval;
  }
  
  /* TurboJPEG 1.4.x: TJ::bufSizeYUV() */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV__IIII
  	(JNIEnv *env, jclass cls, jint width, jint pad, jint height, jint subsamp)
  {
  	jint retval=(jint)tjBufSizeYUV2(width, pad, height, subsamp);
  	if(retval==-1) _throwarg(tjGetErrorStr());
  
  	bailout:
  	return retval;
  }
  
  /* TurboJPEG 1.2.x: TJ::bufSizeYUV() */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV__III
  	(JNIEnv *env, jclass cls, jint width, jint height, jint subsamp)
  {
  	return Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV__IIII(env, cls, width,
  		4, height, subsamp);
  }
  
  /* TurboJPEG 1.4.x: TJ::planeSizeYUV() */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_planeSizeYUV__IIIII
  	(JNIEnv *env, jclass cls, jint componentID, jint width, jint stride,
  		jint height, jint subsamp)
  {
  	jint retval=(jint)tjPlaneSizeYUV(componentID, width, stride, height,
  		subsamp);
  	if(retval==-1) _throwarg(tjGetErrorStr());
  
  	bailout:
  	return retval;
  }
  
  /* TurboJPEG 1.4.x: TJ::planeWidth() */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_planeWidth__III
  	(JNIEnv *env, jclass cls, jint componentID, jint width, jint subsamp)
  {
  	jint retval=(jint)tjPlaneWidth(componentID, width, subsamp);
  	if(retval==-1) _throwarg(tjGetErrorStr());
  
  	bailout:
  	return retval;
  }
  
  /* TurboJPEG 1.4.x: TJ::planeHeight() */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_planeHeight__III
  	(JNIEnv *env, jclass cls, jint componentID, jint height, jint subsamp)
  {
  	jint retval=(jint)tjPlaneHeight(componentID, height, subsamp);
  	if(retval==-1) _throwarg(tjGetErrorStr());
  
  	bailout:
  	return retval;
  }
  
  /* TurboJPEG 1.2.x: TJCompressor::init() */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_init
  	(JNIEnv *env, jobject obj)
  {
  	jclass cls;
  	jfieldID fid;
  	tjhandle handle;
  
  	if((handle=tjInitCompress())==NULL)
  		_throwtj();
  
  	bailif0(cls=(*env)->GetObjectClass(env, obj));
  	bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J"));
  	(*env)->SetLongField(env, obj, fid, (size_t)handle);
  
  	bailout:
  	return;
  }
  
  static jint TJCompressor_compress
  	(JNIEnv *env, jobject obj, jarray src, jint srcElementSize, jint x, jint y,
  		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, actualPitch;
  	unsigned char *srcBuf=NULL, *jpegBuf=NULL;
  
  	gethandle();
  
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
  		|| pitch<0)
  		_throwarg("Invalid argument in compress()");
  	if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
  		_throwarg("Mismatch between Java and C API");
  
  	actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
  	arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
  	if((*env)->GetArrayLength(env, src)*srcElementSize<arraySize)
  		_throwarg("Source buffer is not large enough");
  	jpegSize=tjBufSize(width, height, jpegSubsamp);
  	if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
  		_throwarg("Destination buffer is not large enough");
  
  	bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
  	bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
  
  	if(ProcessSystemProperties(env)<0) goto bailout;
  
  	if(tjCompress2(handle, &srcBuf[y*actualPitch + x*tjPixelSize[pf]], width,
  		pitch, height, pf, &jpegBuf, &jpegSize, jpegSubsamp, jpegQual,
  		flags|TJFLAG_NOREALLOC)==-1)
  		_throwtj();
  
  	bailout:
  	if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
  	if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
  	return (jint)jpegSize;
  }
  
  /* TurboJPEG 1.3.x: TJCompressor::compress() byte source */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIIIII_3BIII
  	(JNIEnv *env, jobject obj, jbyteArray src, jint x, jint y, jint width,
  		jint pitch, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,
  		jint jpegQual, jint flags)
  {
  	return TJCompressor_compress(env, obj, src, 1, x, y, width, pitch, height,
  		pf, dst, jpegSubsamp, jpegQual, flags);
  }
  
  /* TurboJPEG 1.2.x: TJCompressor::compress() byte source */
  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)
  {
  	return TJCompressor_compress(env, obj, src, 1, 0, 0, width, pitch, height,
  		pf, dst, jpegSubsamp, jpegQual, flags);
  }
  
  /* TurboJPEG 1.3.x: TJCompressor::compress() int source */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIIIII_3BIII
  	(JNIEnv *env, jobject obj, jintArray src, jint x, jint y, jint width,
  		jint stride, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,
  		jint jpegQual, jint flags)
  {
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in compress()");
  	if(tjPixelSize[pf]!=sizeof(jint))
  		_throwarg("Pixel format must be 32-bit when compressing from an integer buffer.");
  
  	return TJCompressor_compress(env, obj, src, sizeof(jint), x, y, width,
  		stride*sizeof(jint), height, pf, dst, jpegSubsamp, jpegQual, flags);
  
  	bailout:
  	return 0;
  }
  
  /* TurboJPEG 1.2.x: TJCompressor::compress() int source */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIII_3BIII
  	(JNIEnv *env, jobject obj, jintArray src, jint width, jint stride,
  		jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual,
  		jint flags)
  {
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in compress()");
  	if(tjPixelSize[pf]!=sizeof(jint))
  		_throwarg("Pixel format must be 32-bit when compressing from an integer buffer.");
  
  	return TJCompressor_compress(env, obj, src, sizeof(jint), 0, 0, width,
  		stride*sizeof(jint), height, pf, dst, jpegSubsamp, jpegQual, flags);
  
  	bailout:
  	return 0;
  }
  
  /* TurboJPEG 1.4.x: TJCompressor::compressFromYUV() */
  JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compressFromYUV___3_3B_3II_3III_3BII
  	(JNIEnv *env, jobject obj, jobjectArray srcobjs, jintArray jSrcOffsets,
  		jint width, jintArray jSrcStrides, jint height, jint subsamp,
  		jbyteArray dst, jint jpegQual, jint flags)
  {
  	tjhandle handle=0;
  	unsigned long jpegSize=0;
  	jbyteArray jSrcPlanes[3]={NULL, NULL, NULL};
  	const unsigned char *srcPlanes[3];
  	unsigned char *jpegBuf=NULL;
  	int *srcOffsets=NULL, *srcStrides=NULL;
  	int nc=(subsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3), i;
  
  	gethandle();
  
  	if(subsamp<0 || subsamp>=org_libjpegturbo_turbojpeg_TJ_NUMSAMP)
  		_throwarg("Invalid argument in compressFromYUV()");
  	if(org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
  		_throwarg("Mismatch between Java and C API");
  
  	if((*env)->GetArrayLength(env, srcobjs)<nc)
  		_throwarg("Planes array is too small for the subsampling type");
  	if((*env)->GetArrayLength(env, jSrcOffsets)<nc)
  		_throwarg("Offsets array is too small for the subsampling type");
  	if((*env)->GetArrayLength(env, jSrcStrides)<nc)
  		_throwarg("Strides array is too small for the subsampling type");
  
  	jpegSize=tjBufSize(width, height, subsamp);
  	if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
  		_throwarg("Destination buffer is not large enough");
  
  	bailif0(srcOffsets=(*env)->GetPrimitiveArrayCritical(env, jSrcOffsets, 0));
  	bailif0(srcStrides=(*env)->GetPrimitiveArrayCritical(env, jSrcStrides, 0));
  	for(i=0; i<nc; i++)
  	{
  		int planeSize=tjPlaneSizeYUV(i, width, srcStrides[i], height, subsamp);
  		int pw=tjPlaneWidth(i, width, subsamp);
  
  		if(planeSize<0 || pw<0)
  			_throwarg(tjGetErrorStr());
  
  		if(srcOffsets[i]<0)
  			_throwarg("Invalid argument in compressFromYUV()");
  		if(srcStrides[i]<0 && srcOffsets[i]-planeSize+pw<0)
  			_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
  
  		bailif0(jSrcPlanes[i]=(*env)->GetObjectArrayElement(env, srcobjs, i));
  		if((*env)->GetArrayLength(env, jSrcPlanes[i])<srcOffsets[i]+planeSize)
  			_throwarg("Source plane is not large enough");
  
  		bailif0(srcPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jSrcPlanes[i],
  			0));
  		srcPlanes[i]=&srcPlanes[i][srcOffsets[i]];
  	}
  	bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
  
  	if(ProcessSystemProperties(env)<0) goto bailout;
  
  	if(tjCompressFromYUVPlanes(handle, srcPlanes, width, srcStrides, height,
  		subsamp, &jpegBuf, &jpegSize, jpegQual, flags|TJFLAG_NOREALLOC)==-1)
  		_throwtj();
  
  	bailout:
  	if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
  	for(i=0; i<nc; i++)
  	{
  		if(srcPlanes[i] && jSrcPlanes[i])
  			(*env)->ReleasePrimitiveArrayCritical(env, jSrcPlanes[i],
  				(unsigned char *)srcPlanes[i], 0);
  	}
  	if(srcStrides)
  		(*env)->ReleasePrimitiveArrayCritical(env, jSrcStrides, srcStrides, 0);
  	if(srcOffsets)
  		(*env)->ReleasePrimitiveArrayCritical(env, jSrcOffsets, srcOffsets, 0);
  	return (jint)jpegSize;
  }
  
  static void TJCompressor_encodeYUV
  	(JNIEnv *env, jobject obj, jarray src, jint srcElementSize, jint x, jint y,
  		jint width, jint pitch, jint height, jint pf, jobjectArray dstobjs,
  		jintArray jDstOffsets, jintArray jDstStrides, jint subsamp, jint flags)
  {
  	tjhandle handle=0;
  	jsize arraySize=0, actualPitch;
  	jbyteArray jDstPlanes[3]={NULL, NULL, NULL};
  	unsigned char *srcBuf=NULL, *dstPlanes[3];
  	int *dstOffsets=NULL, *dstStrides=NULL;
  	int nc=(subsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3), i;
  
  	gethandle();
  
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
  		|| pitch<0 || subsamp<0 || subsamp>=org_libjpegturbo_turbojpeg_TJ_NUMSAMP)
  		_throwarg("Invalid argument in encodeYUV()");
  	if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF
  		|| org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
  		_throwarg("Mismatch between Java and C API");
  
  	if((*env)->GetArrayLength(env, dstobjs)<nc)
  		_throwarg("Planes array is too small for the subsampling type");
  	if((*env)->GetArrayLength(env, jDstOffsets)<nc)
  		_throwarg("Offsets array is too small for the subsampling type");
  	if((*env)->GetArrayLength(env, jDstStrides)<nc)
  		_throwarg("Strides array is too small for the subsampling type");
  
  	actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
  	arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
  	if((*env)->GetArrayLength(env, src)*srcElementSize<arraySize)
  		_throwarg("Source buffer is not large enough");
  
  	bailif0(dstOffsets=(*env)->GetPrimitiveArrayCritical(env, jDstOffsets, 0));
  	bailif0(dstStrides=(*env)->GetPrimitiveArrayCritical(env, jDstStrides, 0));
  	for(i=0; i<nc; i++)
  	{
  		int planeSize=tjPlaneSizeYUV(i, width, dstStrides[i], height, subsamp);
  		int pw=tjPlaneWidth(i, width, subsamp);
  
  		if(planeSize<0 || pw<0)
  			_throwarg(tjGetErrorStr());
  
  		if(dstOffsets[i]<0)
  			_throwarg("Invalid argument in encodeYUV()");
  		if(dstStrides[i]<0 && dstOffsets[i]-planeSize+pw<0)
  			_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
  
  		bailif0(jDstPlanes[i]=(*env)->GetObjectArrayElement(env, dstobjs, i));
  		if((*env)->GetArrayLength(env, jDstPlanes[i])<dstOffsets[i]+planeSize)
  			_throwarg("Destination plane is not large enough");
  
  		bailif0(dstPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jDstPlanes[i],
  			0));
  		dstPlanes[i]=&dstPlanes[i][dstOffsets[i]];
  	}
  	bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
  
  	if(tjEncodeYUVPlanes(handle, &srcBuf[y*actualPitch + x*tjPixelSize[pf]],
  		width, pitch, height, pf, dstPlanes, dstStrides, subsamp, flags)==-1)
  		_throwtj();
  
  	bailout:
  	if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
  	for(i=0; i<nc; i++)
  	{
  		if(dstPlanes[i] && jDstPlanes[i])
  			(*env)->ReleasePrimitiveArrayCritical(env, jDstPlanes[i], dstPlanes[i],
  				0);
  	}
  	if(dstStrides)
  		(*env)->ReleasePrimitiveArrayCritical(env, jDstStrides, dstStrides, 0);
  	if(dstOffsets)
  		(*env)->ReleasePrimitiveArrayCritical(env, jDstOffsets, dstOffsets, 0);
  	return;
  }
  
  /* TurboJPEG 1.4.x: TJCompressor::encodeYUV() byte source */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3BIIIIII_3_3B_3I_3III
  	(JNIEnv *env, jobject obj, jbyteArray src, jint x, jint y, jint width,
  		jint pitch, jint height, jint pf, jobjectArray dstobjs,
  		jintArray jDstOffsets, jintArray jDstStrides, jint subsamp, jint flags)
  {
  	TJCompressor_encodeYUV(env, obj, src, 1, x, y, width, pitch, height, pf,
  		dstobjs, jDstOffsets, jDstStrides, subsamp, flags);
  }
  
  /* TurboJPEG 1.4.x: TJCompressor::encodeYUV() int source */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3IIIIIII_3_3B_3I_3III
  	(JNIEnv *env, jobject obj, jintArray src, jint x, jint y, jint width,
  		jint stride, jint height, jint pf, jobjectArray dstobjs,
  		jintArray jDstOffsets, jintArray jDstStrides, jint subsamp, jint flags)
  {
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in encodeYUV()");
  	if(tjPixelSize[pf]!=sizeof(jint))
  		_throwarg("Pixel format must be 32-bit when encoding from an integer buffer.");
  
  	TJCompressor_encodeYUV(env, obj, src, sizeof(jint), x, y, width,
  		stride*sizeof(jint), height, pf, dstobjs, jDstOffsets, jDstStrides,
  		subsamp, flags);
  
  	bailout:
  	return;
  }
  
  JNIEXPORT void JNICALL TJCompressor_encodeYUV_12
  	(JNIEnv *env, jobject obj, jarray src, jint srcElementSize, 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)
  		_throwarg("Invalid argument in encodeYUV()");
  	if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
  		_throwarg("Mismatch between Java and C API");
  
  	arraySize=(pitch==0)? width*tjPixelSize[pf]*height:pitch*height;
  	if((*env)->GetArrayLength(env, src)*srcElementSize<arraySize)
  		_throwarg("Source buffer is not large enough");
  	if((*env)->GetArrayLength(env, dst)
  		<(jsize)tjBufSizeYUV(width, height, subsamp))
  		_throwarg("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)
  		_throwtj();
  
  	bailout:
  	if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
  	if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
  	return;
  }
  
  /* TurboJPEG 1.2.x: TJCompressor::encodeYUV() byte source */
  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)
  {
  	TJCompressor_encodeYUV_12(env, obj, src, 1, width, pitch, height, pf, dst,
  		subsamp, flags);
  }
  
  /* TurboJPEG 1.2.x: TJCompressor::encodeYUV() int source */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3IIIII_3BII
  	(JNIEnv *env, jobject obj, jintArray src, jint width, jint stride,
  		jint height, jint pf, jbyteArray dst, jint subsamp, jint flags)
  {
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in encodeYUV()");
  	if(tjPixelSize[pf]!=sizeof(jint))
  		_throwarg("Pixel format must be 32-bit when encoding from an integer buffer.");
  
  	TJCompressor_encodeYUV_12(env, obj, src, sizeof(jint), width,
  		stride*sizeof(jint), height, pf, dst, subsamp, flags);
  
  	bailout:
  	return;
  }
  
  /* TurboJPEG 1.2.x: TJCompressor::destroy() */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy
  	(JNIEnv *env, jobject obj)
  {
  	tjhandle handle=0;
  
  	gethandle();
  
  	if(tjDestroy(handle)==-1) _throwtj();
  	(*env)->SetLongField(env, obj, _fid, 0);
  
  	bailout:
  	return;
  }
  
  /* TurboJPEG 1.2.x: TJDecompressor::init() */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_init
  	(JNIEnv *env, jobject obj)
  {
  	jclass cls;
  	jfieldID fid;
  	tjhandle handle;
  
  	if((handle=tjInitDecompress())==NULL) _throwtj();
  
  	bailif0(cls=(*env)->GetObjectClass(env, obj));
  	bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J"));
  	(*env)->SetLongField(env, obj, fid, (size_t)handle);
  
  	bailout:
  	return;
  }
  
  /* TurboJPEG 1.2.x: TJDecompressor::getScalingFactors() */
  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)
  		_throwarg(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;
  }
  
  /* TurboJPEG 1.2.x: TJDecompressor::decompressHeader() */
  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, jpegColorspace=-1;
  
  	gethandle();
  
  	if((*env)->GetArrayLength(env, src)<jpegSize)
  		_throwarg("Source buffer is not large enough");
  
  	bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
  
  	if(tjDecompressHeader3(handle, jpegBuf, (unsigned long)jpegSize,
  		&width, &height, &jpegSubsamp, &jpegColorspace)==-1)
  		_throwtj();
  
  	(*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);  jpegBuf=NULL;
  
  	bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));
  	(*env)->SetIntField(env, obj, _fid, jpegSubsamp);
  	if((_fid=(*env)->GetFieldID(env, _cls, "jpegColorspace", "I"))==0)
  		(*env)->ExceptionClear(env);
  	else
  		(*env)->SetIntField(env, obj, _fid, jpegColorspace);
  	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:
  	if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
  	return;
  }
  
  static void TJDecompressor_decompress
  	(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jarray dst,
  		jint dstElementSize, jint x, jint y, jint width, jint pitch, jint height,
  		jint pf, jint flags)
  {
  	tjhandle handle=0;
  	jsize arraySize=0, actualPitch;
  	unsigned char *jpegBuf=NULL, *dstBuf=NULL;
  
  	gethandle();
  
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in decompress()");
  	if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
  		_throwarg("Mismatch between Java and C API");
  
  	if((*env)->GetArrayLength(env, src)<jpegSize)
  		_throwarg("Source buffer is not large enough");
  	actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
  	arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
  	if((*env)->GetArrayLength(env, dst)*dstElementSize<arraySize)
  		_throwarg("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[y*actualPitch + x*tjPixelSize[pf]], width, pitch, height, pf,
  		flags)==-1)
  		_throwtj();
  
  	bailout:
  	if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
  	if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
  	return;
  }
  
  /* TurboJPEG 1.3.x: TJDecompressor::decompress() byte destination */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIIIII
  	(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst,
  		jint x, jint y, jint width, jint pitch, jint height, jint pf, jint flags)
  {
  	TJDecompressor_decompress(env, obj, src, jpegSize, dst, 1, x, y, width,
  		pitch, height, pf, flags);
  }
  
  /* TurboJPEG 1.2.x: TJDecompressor::decompress() byte destination */
  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)
  {
  	TJDecompressor_decompress(env, obj, src, jpegSize, dst, 1, 0, 0, width,
  		pitch, height, pf, flags);
  }
  
  /* TurboJPEG 1.3.x: TJDecompressor::decompress() int destination */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIIIII
  	(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jintArray dst,
  		jint x, jint y, jint width, jint stride, jint height, jint pf, jint flags)
  {
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in decompress()");
  	if(tjPixelSize[pf]!=sizeof(jint))
  		_throwarg("Pixel format must be 32-bit when decompressing to an integer buffer.");
  
  	TJDecompressor_decompress(env, obj, src, jpegSize, dst, sizeof(jint), x, y,
  		width, stride*sizeof(jint), height, pf, flags);
  
  	bailout:
  	return;
  }
  
  /* TurboJPEG 1.2.x: TJDecompressor::decompress() int destination */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIII
  	(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jintArray dst,
  		jint width, jint stride, jint height, jint pf, jint flags)
  {
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in decompress()");
  	if(tjPixelSize[pf]!=sizeof(jint))
  		_throwarg("Pixel format must be 32-bit when decompressing to an integer buffer.");
  
  	TJDecompressor_decompress(env, obj, src, jpegSize, dst, sizeof(jint), 0, 0,
  		width, stride*sizeof(jint), height, pf, flags);
  
  	bailout:
  	return;
  
  }
  
  /* TurboJPEG 1.4.x: TJDecompressor::decompressToYUV() */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressToYUV___3BI_3_3B_3II_3III
  	(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize,
  		jobjectArray dstobjs, jintArray jDstOffsets, jint desiredWidth,
  		jintArray jDstStrides, jint desiredHeight, jint flags)
  {
  	tjhandle handle=0;
  	jbyteArray jDstPlanes[3]={NULL, NULL, NULL};
  	unsigned char *jpegBuf=NULL, *dstPlanes[3];
  	int *dstOffsets=NULL, *dstStrides=NULL;
  	int jpegSubsamp=-1, jpegWidth=0, jpegHeight=0;
  	int nc=0, i, width, height, scaledWidth, scaledHeight, nsf=0;
  	tjscalingfactor *sf;
  
  
  	gethandle();
  
  	if((*env)->GetArrayLength(env, src)<jpegSize)
  		_throwarg("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);
  
  	nc=(jpegSubsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3);
  
  	width=desiredWidth;  height=desiredHeight;
  	if(width==0) width=jpegWidth;
  	if(height==0) height=jpegHeight;
  	sf=tjGetScalingFactors(&nsf);
  	if(!sf || nsf<1)
  		_throwarg(tjGetErrorStr());
  	for(i=0; i<nsf; i++)
  	{
  		scaledWidth=TJSCALED(jpegWidth, sf[i]);
  		scaledHeight=TJSCALED(jpegHeight, sf[i]);
  		if(scaledWidth<=width && scaledHeight<=height)
  			break;
  	}
  	if(i>=nsf)
  		_throwarg("Could not scale down to desired image dimensions");
  
  	bailif0(dstOffsets=(*env)->GetPrimitiveArrayCritical(env, jDstOffsets, 0));
  	bailif0(dstStrides=(*env)->GetPrimitiveArrayCritical(env, jDstStrides, 0));
  	for(i=0; i<nc; i++)
  	{
  		int planeSize=tjPlaneSizeYUV(i, scaledWidth, dstStrides[i], scaledHeight,
  			jpegSubsamp);
  		int pw=tjPlaneWidth(i, scaledWidth, jpegSubsamp);
  
  		if(planeSize<0 || pw<0)
  			_throwarg(tjGetErrorStr());
  
  		if(dstOffsets[i]<0)
  			_throwarg("Invalid argument in decompressToYUV()");
  		if(dstStrides[i]<0 && dstOffsets[i]-planeSize+pw<0)
  			_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
  
  		bailif0(jDstPlanes[i]=(*env)->GetObjectArrayElement(env, dstobjs, i));
  		if((*env)->GetArrayLength(env, jDstPlanes[i])<dstOffsets[i]+planeSize)
  			_throwarg("Destination plane is not large enough");
  
  		bailif0(dstPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jDstPlanes[i],
  			0));
  		dstPlanes[i]=&dstPlanes[i][dstOffsets[i]];
  	}
  	bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
  
  	if(tjDecompressToYUVPlanes(handle, jpegBuf, (unsigned long)jpegSize,
  		dstPlanes, desiredWidth, dstStrides, desiredHeight, flags)==-1)
  		_throwtj();
  
  	bailout:
  	if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
  	for(i=0; i<nc; i++)
  	{
  		if(dstPlanes[i] && jDstPlanes[i])
  			(*env)->ReleasePrimitiveArrayCritical(env, jDstPlanes[i], dstPlanes[i],
  				0);
  	}
  	if(dstStrides)
  		(*env)->ReleasePrimitiveArrayCritical(env, jDstStrides, dstStrides, 0);
  	if(dstOffsets)
  		(*env)->ReleasePrimitiveArrayCritical(env, jDstOffsets, dstOffsets, 0);
  	return;
  }
  
  /* TurboJPEG 1.2.x: TJDecompressor::decompressToYUV() */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressToYUV___3BI_3BI
  	(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)
  		_throwarg("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))
  		_throwarg("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)
  		_throwtj();
  
  	bailout:
  	if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
  	if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);
  	return;
  }
  
  static void TJDecompressor_decodeYUV
  	(JNIEnv *env, jobject obj, jobjectArray srcobjs, jintArray jSrcOffsets,
  		jintArray jSrcStrides, jint subsamp, jarray dst, jint dstElementSize,
  		jint x, jint y, jint width, jint pitch, jint height, jint pf, jint flags)
  {
  	tjhandle handle=0;
  	jsize arraySize=0, actualPitch;
  	jbyteArray jSrcPlanes[3]={NULL, NULL, NULL};
  	const unsigned char *srcPlanes[3];
  	unsigned char *dstBuf=NULL;
  	int *srcOffsets=NULL, *srcStrides=NULL;
  	int nc=(subsamp==org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY? 1:3), i;
  
  	gethandle();
  
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || subsamp<0
  		|| subsamp>=org_libjpegturbo_turbojpeg_TJ_NUMSAMP)
  		_throwarg("Invalid argument in decodeYUV()");
  	if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF
  		|| org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
  		_throwarg("Mismatch between Java and C API");
  
  	if((*env)->GetArrayLength(env, srcobjs)<nc)
  		_throwarg("Planes array is too small for the subsampling type");
  	if((*env)->GetArrayLength(env, jSrcOffsets)<nc)
  		_throwarg("Offsets array is too small for the subsampling type");
  	if((*env)->GetArrayLength(env, jSrcStrides)<nc)
  		_throwarg("Strides array is too small for the subsampling type");
  
  	actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
  	arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
  	if((*env)->GetArrayLength(env, dst)*dstElementSize<arraySize)
  		_throwarg("Destination buffer is not large enough");
  
  	bailif0(srcOffsets=(*env)->GetPrimitiveArrayCritical(env, jSrcOffsets, 0));
  	bailif0(srcStrides=(*env)->GetPrimitiveArrayCritical(env, jSrcStrides, 0));
  	for(i=0; i<nc; i++)
  	{
  		int planeSize=tjPlaneSizeYUV(i, width, srcStrides[i], height, subsamp);
  		int pw=tjPlaneWidth(i, width, subsamp);
  
  		if(planeSize<0 || pw<0)
  			_throwarg(tjGetErrorStr());
  
  		if(srcOffsets[i]<0)
  			_throwarg("Invalid argument in decodeYUV()");
  		if(srcStrides[i]<0 && srcOffsets[i]-planeSize+pw<0)
  			_throwarg("Negative plane stride would cause memory to be accessed below plane boundary");
  
  		bailif0(jSrcPlanes[i]=(*env)->GetObjectArrayElement(env, srcobjs, i));
  		if((*env)->GetArrayLength(env, jSrcPlanes[i])<srcOffsets[i]+planeSize)
  			_throwarg("Source plane is not large enough");
  
  		bailif0(srcPlanes[i]=(*env)->GetPrimitiveArrayCritical(env, jSrcPlanes[i],
  			0));
  		srcPlanes[i]=&srcPlanes[i][srcOffsets[i]];
  	}
  	bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
  
  	if(tjDecodeYUVPlanes(handle, srcPlanes, srcStrides, subsamp,
  		&dstBuf[y*actualPitch + x*tjPixelSize[pf]], width, pitch, height, pf,
  		flags)==-1)
  		_throwtj();
  
  	bailout:
  	if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);
  	for(i=0; i<nc; i++)
  	{
  		if(srcPlanes[i] && jSrcPlanes[i])
  			(*env)->ReleasePrimitiveArrayCritical(env, jSrcPlanes[i],
  				(unsigned char *)srcPlanes[i], 0);
  	}
  	if(srcStrides)
  		(*env)->ReleasePrimitiveArrayCritical(env, jSrcStrides, srcStrides, 0);
  	if(srcOffsets)
  		(*env)->ReleasePrimitiveArrayCritical(env, jSrcOffsets, srcOffsets, 0);
  	return;
  }
  
  /* TurboJPEG 1.4.x: TJDecompressor::decodeYUV() byte destination */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decodeYUV___3_3B_3I_3II_3BIIIIIII
  	(JNIEnv *env, jobject obj, jobjectArray srcobjs, jintArray jSrcOffsets,
  		jintArray jSrcStrides, jint subsamp, jbyteArray dst, jint x, jint y,
  		jint width, jint pitch, jint height, jint pf, jint flags)
  {
  	TJDecompressor_decodeYUV(env, obj, srcobjs, jSrcOffsets, jSrcStrides,
  		subsamp, dst, 1, x, y, width, pitch, height, pf, flags);
  }
  
  /* TurboJPEG 1.4.x: TJDecompressor::decodeYUV() int destination */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decodeYUV___3_3B_3I_3II_3IIIIIIII
  	(JNIEnv *env, jobject obj, jobjectArray srcobjs, jintArray jSrcOffsets,
  		jintArray jSrcStrides, jint subsamp, jintArray dst, jint x, jint y,
  		jint width, jint stride, jint height, jint pf, jint flags)
  {
  	if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)
  		_throwarg("Invalid argument in decodeYUV()");
  	if(tjPixelSize[pf]!=sizeof(jint))
  		_throwarg("Pixel format must be 32-bit when decoding to an integer buffer.");
  
  	TJDecompressor_decodeYUV(env, obj, srcobjs, jSrcOffsets, jSrcStrides,
  		subsamp, dst, sizeof(jint), x, y, width, stride*sizeof(jint), height, pf,
  		flags);
  
  	bailout:
  	return;
  }
  
  /* TurboJPEG 1.2.x: TJTransformer::init() */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_init
  	(JNIEnv *env, jobject obj)
  {
  	jclass cls;
  	jfieldID fid;
  	tjhandle handle;
  
  	if((handle=tjInitTransform())==NULL) _throwtj();
  
  	bailif0(cls=(*env)->GetObjectClass(env, obj));
  	bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J"));
  	(*env)->SetLongField(env, obj, fid, (size_t)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;
  }
  
  /* TurboJPEG 1.2.x: TJTransformer::transform() */
  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)
  		_throwarg("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))
  		_throwarg("Mismatch between size of transforms array and destination buffers array");
  
  	if((dstBufs=(unsigned char **)malloc(sizeof(unsigned char *)*n))==NULL)
  		_throwmem();
  	if((jdstBufs=(jbyteArray *)malloc(sizeof(jbyteArray)*n))==NULL)
  		_throwmem();
  	if((dstSizes=(unsigned long *)malloc(sizeof(unsigned long)*n))==NULL)
  		_throwmem();
  	if((t=(tjtransform *)malloc(sizeof(tjtransform)*n))==NULL)
  		_throwmem();
  	if((params=(JNICustomFilterParams *)malloc(sizeof(JNICustomFilterParams)*n))
  		==NULL)
  		_throwmem();
  	for(i=0; i<n; i++)
  	{
  		dstBufs[i]=NULL;  jdstBufs[i]=NULL;  dstSizes[i]=0;
  		memset(&t[i], 0, sizeof(tjtransform));
  		memset(&params[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);
  
  		bailif0(_fid=(*env)->GetFieldID(env, _cls, "cf",
  			"Lorg/libjpegturbo/turbojpeg/TJCustomFilter;"));
  		cfobj=(*env)->GetObjectField(env, tobj, _fid);
  		if(cfobj)
  		{
  			params[i].env=env;
  			params[i].tobj=tobj;
  			params[i].cfobj=cfobj;
  			t[i].customFilter=JNICustomFilter;
  			t[i].data=(void *)&params[i];
  		}
  	}
  
  	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((unsigned long)(*env)->GetArrayLength(env, jdstBufs[i])
  			<tjBufSize(w, h, jpegSubsamp))
  			_throwarg("Destination buffer is not large enough");
  	}
  	bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, jsrcBuf, 0));
  	for(i=0; i<n; i++)
  		bailif0(dstBufs[i]=(*env)->GetPrimitiveArrayCritical(env, jdstBufs[i], 0));
  
  	if(tjTransform(handle, jpegBuf, jpegSize, n, dstBufs, dstSizes, t,
  		flags|TJFLAG_NOREALLOC)==-1)
  		_throwtj();
  
  	for(i=0; i<n; i++)
  	{
  		(*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0);
  		dstBufs[i]=NULL;
  	}
  	(*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);
  	jpegBuf=NULL;
  
  	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(dstSizesi) (*env)->ReleaseIntArrayElements(env, jdstSizes, dstSizesi, 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(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);
  	if(jdstBufs) free(jdstBufs);
  	if(dstSizes) free(dstSizes);
  	if(t) free(t);
  	return jdstSizes;
  }
  
  /* TurboJPEG 1.2.x: TJDecompressor::destroy() */
  JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_destroy
  	(JNIEnv *env, jobject obj)
  {
  	Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy(env, obj);
  }
  