| /* |
| * Copyright (C)2011 D. R. Commander. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * - Neither the name of the libjpeg-turbo Project nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "turbojpeg.h" |
| #include <jni.h> |
| #include "java/org_libjpegturbo_turbojpeg_TJCompressor.h" |
| #include "java/org_libjpegturbo_turbojpeg_TJDecompressor.h" |
| #include "java/org_libjpegturbo_turbojpeg_TJ.h" |
| |
| static const int _pixelsize[org_libjpegturbo_turbojpeg_TJ_NUMPFOPT]= |
| {3, 3, 4, 4, 4, 4, 1}; |
| |
| static const int _flags[org_libjpegturbo_turbojpeg_TJ_NUMPFOPT]= |
| {0, TJ_BGR, 0, TJ_BGR, TJ_BGR|TJ_ALPHAFIRST, TJ_ALPHAFIRST, 0}; |
| |
| #define _throw(msg) { \ |
| jclass _exccls=(*env)->FindClass(env, "java/lang/Exception"); \ |
| if(!_exccls) goto bailout; \ |
| (*env)->ThrowNew(env, _exccls, msg); \ |
| goto bailout; \ |
| } |
| |
| #define bailif0(f) {if(!(f)) goto bailout;} |
| |
| #define gethandle() \ |
| jclass _cls=(*env)->GetObjectClass(env, obj); \ |
| jfieldID _fid; \ |
| if(!_cls) goto bailout; \ |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "handle", "J")); \ |
| handle=(tjhandle)(long)(*env)->GetLongField(env, obj, _fid); \ |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSize |
| (JNIEnv *env, jclass cls, jint width, jint height) |
| { |
| jint retval=(jint)TJBUFSIZE(width, height); |
| if(retval==-1) _throw(tjGetErrorStr()); |
| |
| bailout: |
| return retval; |
| } |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV |
| (JNIEnv *env, jclass cls, jint width, jint height, jint subsamp) |
| { |
| jint retval=(jint)TJBUFSIZEYUV(width, height, subsamp); |
| if(retval==-1) _throw(tjGetErrorStr()); |
| |
| bailout: |
| return retval; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_init |
| (JNIEnv *env, jobject obj) |
| { |
| jclass cls; |
| jfieldID fid; |
| tjhandle handle; |
| |
| if((handle=tjInitCompress())==NULL) |
| _throw(tjGetErrorStr()); |
| |
| bailif0(cls=(*env)->GetObjectClass(env, obj)); |
| bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J")); |
| (*env)->SetLongField(env, obj, fid, (long)handle); |
| |
| bailout: |
| return; |
| } |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIII_3BIII |
| (JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch, |
| jint height, jint pf, jbyteArray dst, jint jpegsubsamp, jint jpegqual, |
| jint flags) |
| { |
| tjhandle handle=0; int pixelsize; |
| unsigned long size=0; |
| unsigned char *srcbuf=NULL, *dstbuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPFOPT) |
| _throw("Invalid argument in compress()"); |
| flags|=_flags[pf]; |
| pixelsize=_pixelsize[pf]; |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjCompress(handle, srcbuf, width, pitch, height, pixelsize, dstbuf, |
| &size, jpegsubsamp, jpegqual, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstbuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| if(srcbuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| return (jint)size; |
| } |
| |
| JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIII_3BIII |
| (JNIEnv *env, jobject obj, jintArray src, jint width, jint pitch, |
| jint height, jint pf, jbyteArray dst, jint jpegsubsamp, jint jpegqual, |
| jint flags) |
| { |
| tjhandle handle=0; |
| unsigned long size=0; |
| unsigned char *srcbuf=NULL, *dstbuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPFOPT) |
| _throw("Invalid argument in compress()"); |
| if(_pixelsize[pf]!=sizeof(jint)) |
| _throw("Pixel format must be 32-bit when compressing from an integer buffer."); |
| flags|=_flags[pf]; |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjCompress(handle, srcbuf, width, pitch*sizeof(jint), height, |
| sizeof(jint), dstbuf, &size, jpegsubsamp, jpegqual, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstbuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| if(srcbuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| return (jint)size; |
| } |
| |
| 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 jpegsubsamp, jint flags) |
| { |
| tjhandle handle=0; int pixelsize; |
| unsigned char *srcbuf=NULL, *dstbuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPFOPT) |
| _throw("Invalid argument in encodeYUV()"); |
| flags|=_flags[pf]; |
| pixelsize=_pixelsize[pf]; |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjEncodeYUV(handle, srcbuf, width, pitch, height, pixelsize, dstbuf, |
| jpegsubsamp, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _throw(tjGetErrorStr()); |
| } |
| |
| bailout: |
| if(dstbuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| if(srcbuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3IIIII_3BII |
| (JNIEnv *env, jobject obj, jintArray src, jint width, jint pitch, |
| jint height, jint pf, jbyteArray dst, jint jpegsubsamp, jint flags) |
| { |
| tjhandle handle=0; |
| unsigned char *srcbuf=NULL, *dstbuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPFOPT) |
| _throw("Invalid argument in compress()"); |
| if(_pixelsize[pf]!=sizeof(jint)) |
| _throw("Pixel format must be 32-bit when encoding from an integer buffer."); |
| flags|=_flags[pf]; |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjEncodeYUV(handle, srcbuf, width, pitch*sizeof(jint), height, |
| sizeof(jint), dstbuf, jpegsubsamp, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _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, (long)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/TJ$ScalingFactor")); |
| 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 size) |
| { |
| tjhandle handle=0; |
| unsigned char *srcbuf=NULL; |
| int width=0, height=0, jpegsubsamp=-1; |
| |
| gethandle(); |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| |
| if(tjDecompressHeader2(handle, srcbuf, (unsigned long)size, |
| &width, &height, &jpegsubsamp)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _throw(tjGetErrorStr()); |
| } |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); srcbuf=NULL; |
| |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I")); |
| (*env)->SetIntField(env, obj, _fid, jpegsubsamp); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I")); |
| (*env)->SetIntField(env, obj, _fid, width); |
| bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I")); |
| (*env)->SetIntField(env, obj, _fid, height); |
| |
| bailout: |
| return; |
| } |
| |
| JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIII |
| (JNIEnv *env, jobject obj, jbyteArray src, jint size, jbyteArray dst, |
| jint width, jint pitch, jint height, jint pf, jint flags) |
| { |
| tjhandle handle=0; int pixelsize; |
| unsigned char *srcbuf=NULL, *dstbuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPFOPT) |
| _throw("Invalid argument in decompress()"); |
| flags|=_flags[pf]; |
| pixelsize=_pixelsize[pf]; |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjDecompress(handle, srcbuf, (unsigned long)size, dstbuf, width, pitch, |
| height, pixelsize, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _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_TJDecompressor_decompress___3BI_3IIIIII |
| (JNIEnv *env, jobject obj, jbyteArray src, jint size, jintArray dst, |
| jint width, jint pitch, jint height, jint pf, jint flags) |
| { |
| tjhandle handle=0; |
| unsigned char *srcbuf=NULL, *dstbuf=NULL; |
| |
| gethandle(); |
| |
| if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPFOPT) |
| _throw("Invalid argument in decompress()"); |
| if(_pixelsize[pf]!=sizeof(jint)) |
| _throw("Pixel format must be 32-bit when decompressing to an integer buffer."); |
| flags|=_flags[pf]; |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjDecompress(handle, srcbuf, (unsigned long)size, dstbuf, width, |
| pitch*sizeof(jint), height, sizeof(jint), flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _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_TJDecompressor_decompressToYUV |
| (JNIEnv *env, jobject obj, jbyteArray src, jint size, jbyteArray dst, |
| jint flags) |
| { |
| tjhandle handle=0; |
| unsigned char *srcbuf=NULL, *dstbuf=NULL; |
| |
| gethandle(); |
| |
| bailif0(srcbuf=(*env)->GetPrimitiveArrayCritical(env, src, 0)); |
| bailif0(dstbuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0)); |
| |
| if(tjDecompressToYUV(handle, srcbuf, (unsigned long)size, dstbuf, flags)==-1) |
| { |
| (*env)->ReleasePrimitiveArrayCritical(env, dst, dstbuf, 0); |
| (*env)->ReleasePrimitiveArrayCritical(env, src, srcbuf, 0); |
| _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_TJDecompressor_destroy |
| (JNIEnv *env, jobject obj) |
| { |
| Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy(env, obj); |
| } |