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/**
* @file llimagej2ckdu.h
* @brief This is an implementation of JPEG2000 encode/decode using Kakadu
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLIMAGEJ2CKDU_H
#define LL_LLIMAGEJ2CKDU_H
#include "llimagej2c.h"
//
// KDU core header files
//
#define KDU_NO_THREADS
#include "kdu_elementary.h"
#include "kdu_messaging.h"
#include "kdu_params.h"
// don't *really* want to rebuild KDU so turn off specific warnings for this header
#if LL_DARWIN
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-private-field"
#include "kdu_compressed.h"
#pragma clang diagnostic pop
#else
#include "kdu_compressed.h"
#endif
#include "kdu_sample_processing.h"
class LLKDUDecodeState;
class LLKDUMemSource;
class LLImageJ2CKDU : public LLImageJ2CImpl
{
public:
enum ECodeStreamMode
{
MODE_FAST = 0,
MODE_RESILIENT = 1,
MODE_FUSSY = 2
};
LLImageJ2CKDU();
virtual ~LLImageJ2CKDU();
protected:
virtual bool getMetadata(LLImageJ2C &base);
virtual bool decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, S32 first_channel, S32 max_channel_count);
virtual bool encodeImpl(LLImageJ2C &base, const LLImageRaw &raw_image, const char* comment_text, F32 encode_time=0.0,
bool reversible=false);
virtual bool initDecode(LLImageJ2C &base, LLImageRaw &raw_image, int discard_level = -1, int* region = NULL);
virtual bool initEncode(LLImageJ2C &base, LLImageRaw &raw_image, int blocks_size = -1, int precincts_size = -1, int levels = 0);
virtual std::string getEngineInfo() const;
void findDiscardLevelsBoundaries(LLImageJ2C &base);
private:
bool initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count, int discard_level = -1, int* region = NULL);
void setupCodeStream(LLImageJ2C &base, bool keep_codestream, ECodeStreamMode mode);
void cleanupCodeStream();
// Encode variable
LLKDUMemSource *mInputp;
kdu_codestream *mCodeStreamp;
kdu_coords *mTPosp; // tile position
kdu_dims *mTileIndicesp;
int mBlocksSize;
int mPrecinctsSize;
int mLevels;
// Temporary variables for in-progress decodes...
LLImageRaw *mRawImagep;
LLKDUDecodeState *mDecodeState;
};
#endif
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