/*
* Copyright (C)2011-2014 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) { \
jclass _exccls=(*env)->FindClass(env, "java/lang/Exception"); \
if(!_exccls) goto bailout; \
(*env)->ThrowNew(env, _exccls, msg); \
goto bailout; \
}
#define bailif0(f) {if(!(f)) { \
char temps[80]; \
snprintf(temps, 80, "Unexpected NULL condition in line %d", __LINE__); \
_throw(temps); \
}}
#define gethandle() \
jclass _cls=(*env)->GetObjectClass(env, obj); \
jfieldID _fid; \
if(!_cls) 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) _throw(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) _throw(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) _throw(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) _throw(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) _throw(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)
_throw(tjGetErrorStr());
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)
_throw("Invalid argument in compress()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
_throw("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)
_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(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)
_throw(tjGetErrorStr());
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)
_throw("Invalid argument in compress()");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("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)
_throw("Invalid argument in compress()");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("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};
unsigned char *srcPlanes[3], *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)
_throw("Invalid argument in compressFromYUV()");
if(org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
_throw("Mismatch between Java and C API");
if((*env)->GetArrayLength(env, srcobjs)<nc)
_throw("Planes array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcOffsets)<nc)
_throw("Offsets array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcStrides)<nc)
_throw("Strides array is too small for the subsampling type");
jpegSize=tjBufSize(width, height, subsamp);
if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
_throw("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)
_throw(tjGetErrorStr());
if(srcOffsets[i]<0)
_throw("Invalid argument in compressFromYUV()");
if(srcStrides[i]<0 && srcOffsets[i]-planeSize+pw<0)
_throw("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)
_throw("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)
_throw(tjGetErrorStr());
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], 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)
_throw("Invalid argument in encodeYUV()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF
|| org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
_throw("Mismatch between Java and C API");
if((*env)->GetArrayLength(env, dstobjs)<nc)
_throw("Planes array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jDstOffsets)<nc)
_throw("Offsets array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jDstStrides)<nc)
_throw("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)
_throw("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)
_throw(tjGetErrorStr());
if(dstOffsets[i]<0)
_throw("Invalid argument in encodeYUV()");
if(dstStrides[i]<0 && dstOffsets[i]-planeSize+pw<0)
_throw("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)
_throw("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)
_throw(tjGetErrorStr());
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)
_throw("Invalid argument in encodeYUV()");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("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)
_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)*srcElementSize<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)
_throw(tjGetErrorStr());
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)
_throw("Invalid argument in encodeYUV()");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("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) _throw(tjGetErrorStr());
(*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) _throw(tjGetErrorStr());
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)
_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;
}
/* 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)
_throw("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)
_throw(tjGetErrorStr());
(*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)
_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");
actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];
if((*env)->GetArrayLength(env, dst)*dstElementSize<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[y*actualPitch + x*tjPixelSize[pf]], width, pitch, height, pf,
flags)==-1)
_throw(tjGetErrorStr());
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)
_throw("Invalid argument in decompress()");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("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)
_throw("Invalid argument in decompress()");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("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)
_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);
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)
_throw(tjGetErrorStr());
for(i=0; i<nsf; i++)
{
scaledWidth=TJSCALED(jpegWidth, sf[i]);
scaledHeight=TJSCALED(jpegHeight, sf[i]);
if(scaledWidth<=width && scaledHeight<=height)
break;
}
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)
_throw(tjGetErrorStr());
if(dstOffsets[i]<0)
_throw("Invalid argument in decompressToYUV()");
if(dstStrides[i]<0 && dstOffsets[i]-planeSize+pw<0)
_throw("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)
_throw("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)
_throw(tjGetErrorStr());
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)
_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)
_throw(tjGetErrorStr());
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};
unsigned char *srcPlanes[3], *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)
_throw("Invalid argument in decodeYUV()");
if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF
|| org_libjpegturbo_turbojpeg_TJ_NUMSAMP!=TJ_NUMSAMP)
_throw("Mismatch between Java and C API");
if((*env)->GetArrayLength(env, srcobjs)<nc)
_throw("Planes array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcOffsets)<nc)
_throw("Offsets array is too small for the subsampling type");
if((*env)->GetArrayLength(env, jSrcStrides)<nc)
_throw("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)
_throw("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)
_throw(tjGetErrorStr());
if(srcOffsets[i]<0)
_throw("Invalid argument in decodeYUV()");
if(srcStrides[i]<0 && srcOffsets[i]-planeSize+pw<0)
_throw("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)
_throw("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)
_throw(tjGetErrorStr());
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], 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)
_throw("Invalid argument in decodeYUV()");
if(tjPixelSize[pf]!=sizeof(jint))
_throw("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) _throw(tjGetErrorStr());
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)
_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);
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 *)¶ms[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))
_throw("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)
_throw(tjGetErrorStr());
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);
}