738 lines
26 KiB
C
738 lines
26 KiB
C
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/*
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* Copyright (C)2011-2013 D. R. Commander. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the libjpeg-turbo Project nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "turbojpeg.h"
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#ifdef WIN32
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#include "tjutil.h"
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#endif
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#include <jni.h>
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#include "java/org_libjpegturbo_turbojpeg_TJCompressor.h"
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#include "java/org_libjpegturbo_turbojpeg_TJDecompressor.h"
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#include "java/org_libjpegturbo_turbojpeg_TJ.h"
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#define _throw(msg) { \
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jclass _exccls=(*env)->FindClass(env, "java/lang/Exception"); \
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if(!_exccls) goto bailout; \
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(*env)->ThrowNew(env, _exccls, msg); \
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goto bailout; \
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}
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#define bailif0(f) {if(!(f)) { \
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char temps[80]; \
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snprintf(temps, 80, "Unexpected NULL condition in line %d", __LINE__); \
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_throw(temps); \
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}}
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#define gethandle() \
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jclass _cls=(*env)->GetObjectClass(env, obj); \
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jfieldID _fid; \
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if(!_cls) goto bailout; \
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bailif0(_fid=(*env)->GetFieldID(env, _cls, "handle", "J")); \
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handle=(tjhandle)(jlong)(*env)->GetLongField(env, obj, _fid); \
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JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSize
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(JNIEnv *env, jclass cls, jint width, jint height, jint jpegSubsamp)
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{
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jint retval=(jint)tjBufSize(width, height, jpegSubsamp);
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if(retval==-1) _throw(tjGetErrorStr());
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bailout:
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return retval;
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}
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JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV
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(JNIEnv *env, jclass cls, jint width, jint height, jint subsamp)
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{
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jint retval=(jint)tjBufSizeYUV(width, height, subsamp);
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if(retval==-1) _throw(tjGetErrorStr());
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bailout:
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return retval;
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}
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JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_init
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(JNIEnv *env, jobject obj)
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{
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jclass cls;
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jfieldID fid;
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tjhandle handle;
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if((handle=tjInitCompress())==NULL)
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_throw(tjGetErrorStr());
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bailif0(cls=(*env)->GetObjectClass(env, obj));
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bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J"));
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(*env)->SetLongField(env, obj, fid, (jlong)handle);
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bailout:
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return;
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}
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JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIIIII_3BIII
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(JNIEnv *env, jobject obj, jbyteArray src, jint x, jint y, jint width,
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jint pitch, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,
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jint jpegQual, jint flags)
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{
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tjhandle handle=0;
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unsigned long jpegSize=0;
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jsize arraySize=0, actualPitch;
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unsigned char *srcBuf=NULL, *jpegBuf=NULL;
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gethandle();
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if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
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|| pitch<0)
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_throw("Invalid argument in compress()");
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if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
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_throw("Mismatch between Java and C API");
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actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;
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arraySize=(y+height-1)*actualPitch + x+width;
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if((*env)->GetArrayLength(env, src)<arraySize)
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_throw("Source buffer is not large enough");
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jpegSize=tjBufSize(width, height, jpegSubsamp);
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if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
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_throw("Destination buffer is not large enough");
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bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
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bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
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if(tjCompress2(handle, &srcBuf[y*actualPitch + x*tjPixelSize[pf]], width,
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pitch, height, pf, &jpegBuf, &jpegSize, jpegSubsamp, jpegQual,
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flags|TJFLAG_NOREALLOC)==-1)
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{
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(*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
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(*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
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jpegBuf=srcBuf=NULL;
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_throw(tjGetErrorStr());
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}
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bailout:
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if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
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if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
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return (jint)jpegSize;
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}
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JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIII_3BIII
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(JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch,
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jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual,
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jint flags)
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{
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return Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIIIII_3BIII(
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env, obj, src, 0, 0, width, pitch, height, pf, dst, jpegSubsamp, jpegQual,
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flags);
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}
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JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIIIII_3BIII
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(JNIEnv *env, jobject obj, jintArray src, jint x, jint y, jint width,
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jint stride, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,
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jint jpegQual, jint flags)
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{
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tjhandle handle=0;
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unsigned long jpegSize=0;
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jsize arraySize=0, actualStride;
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unsigned char *srcBuf=NULL, *jpegBuf=NULL;
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gethandle();
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if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1
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|| stride<0)
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_throw("Invalid argument in compress()");
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if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)
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_throw("Mismatch between Java and C API");
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if(tjPixelSize[pf]!=sizeof(jint))
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_throw("Pixel format must be 32-bit when compressing from an integer buffer.");
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actualStride=(stride==0)? width:stride;
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arraySize=(y+height-1)*actualStride + x+width;
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if((*env)->GetArrayLength(env, src)<arraySize)
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_throw("Source buffer is not large enough");
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jpegSize=tjBufSize(width, height, jpegSubsamp);
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if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)
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_throw("Destination buffer is not large enough");
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bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));
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bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));
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||
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if(tjCompress2(handle, &srcBuf[(y*actualStride + x)*sizeof(int)], width,
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stride*sizeof(jint), height, pf, &jpegBuf, &jpegSize, jpegSubsamp,
|
||
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jpegQual, flags|TJFLAG_NOREALLOC)==-1)
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{
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||
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(*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
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(*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
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jpegBuf=srcBuf=NULL;
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_throw(tjGetErrorStr());
|
||
|
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}
|
||
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||
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bailout:
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||
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if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);
|
||
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if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);
|
||
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return (jint)jpegSize;
|
||
|
|
}
|
||
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|
|
||
|
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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)
|
||
|
|
{
|
||
|
|
return Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIIIII_3BIII(
|
||
|
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env, obj, src, 0, 0, width, pitch, height, pf, dst, jpegSubsamp, jpegQual,
|
||
|
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flags);
|
||
|
|
}
|
||
|
|
|
||
|
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JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3BIIII_3BII
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(JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch,
|
||
|
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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 stride,
|
||
|
|
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
|
||
|
|
|| stride<0)
|
||
|
|
_throw("Invalid argument in encodeYUV()");
|
||
|
|
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=(stride==0)? width*height:stride*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, stride*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_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)
|
||
|
|
{
|
||
|
|
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)<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)
|
||
|
|
{
|
||
|
|
(*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_3BIIIII
|
||
|
|
(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst,
|
||
|
|
jint width, jint pitch, jint height, jint pf, jint flags)
|
||
|
|
{
|
||
|
|
Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIIIII
|
||
|
|
(env, obj, src, jpegSize, dst, 0, 0, width, pitch, height, pf, flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
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)
|
||
|
|
{
|
||
|
|
tjhandle handle=0;
|
||
|
|
jsize arraySize=0, actualStride;
|
||
|
|
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");
|
||
|
|
actualStride=(stride==0)? width:stride;
|
||
|
|
arraySize=(y+height-1)*actualStride + x+width;
|
||
|
|
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[(y*actualStride + x)*sizeof(int)], width, stride*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_decompress___3BI_3IIIIII
|
||
|
|
(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jintArray dst,
|
||
|
|
jint width, jint stride, jint height, jint pf, jint flags)
|
||
|
|
{
|
||
|
|
Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIIIII
|
||
|
|
(env, obj, src, jpegSize, dst, 0, 0, width, stride, height, pf, flags);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
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];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
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((unsigned long)(*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);
|
||
|
|
}
|