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Diffstat (limited to 'indra/llkdu/llimagej2ckdu.h')
-rw-r--r-- | indra/llkdu/llimagej2ckdu.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/indra/llkdu/llimagej2ckdu.h b/indra/llkdu/llimagej2ckdu.h new file mode 100644 index 0000000000..5628f69eeb --- /dev/null +++ b/indra/llkdu/llimagej2ckdu.h @@ -0,0 +1,90 @@ +/** + * @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 +// +#include "kdu_elementary.h" +#include "kdu_messaging.h" +#include "kdu_params.h" +#include "kdu_compressed.h" +#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); + +private: + void setupCodeStream(LLImageJ2C &base, BOOL keep_codestream, ECodeStreamMode mode); + void cleanupCodeStream(); + BOOL initDecode(LLImageJ2C &base, LLImageRaw &raw_image, F32 decode_time, ECodeStreamMode mode, S32 first_channel, S32 max_channel_count ); + + // Encode variable + LLKDUMemSource *mInputp; + kdu_codestream *mCodeStreamp; + kdu_coords *mTPosp; // tile position + kdu_dims *mTileIndicesp; + + // Temporary variables for in-progress decodes... + LLImageRaw *mRawImagep; + LLKDUDecodeState *mDecodeState; +}; + +#if LL_WINDOWS +# define LLSYMEXPORT __declspec(dllexport) +#elif LL_LINUX +# define LLSYMEXPORT __attribute__ ((visibility("default"))) +#else +# define LLSYMEXPORT +#endif + +extern "C" LLSYMEXPORT const char* engineInfoLLImageJ2CKDU(); +extern "C" LLSYMEXPORT LLImageJ2CKDU* createLLImageJ2CKDU(); +extern "C" LLSYMEXPORT void destroyLLImageJ2CKDU(LLImageJ2CKDU* kdu); + +#endif |