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Diffstat (limited to 'drivers/jpg/tinyjpeg-internal.h')
| -rw-r--r-- | drivers/jpg/tinyjpeg-internal.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/drivers/jpg/tinyjpeg-internal.h b/drivers/jpg/tinyjpeg-internal.h deleted file mode 100644 index b2d5fe42aa..0000000000 --- a/drivers/jpg/tinyjpeg-internal.h +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Small jpeg decoder library (Internal header) - * - * Copyright (c) 2006, Luc Saillard <luc@saillard.org> - * 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 author 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 OWNER 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. - * - */ - - -#ifndef __TINYJPEG_INTERNAL_H_ -#define __TINYJPEG_INTERNAL_H_ - -#ifdef _MSC_VER - -typedef signed __int8 int8_t; -typedef unsigned __int8 uint8_t; -typedef signed __int16 int16_t; -typedef unsigned __int16 uint16_t; -typedef signed __int32 int32_t; -typedef unsigned __int32 uint32_t; -typedef signed __int64 int64_t; -typedef unsigned __int64 uint64_t; - -#else - -#ifdef NO_STDINT_H -typedef unsigned char uint8_t; -typedef signed char int8_t; -typedef unsigned short uint16_t; -typedef signed short int16_t; -typedef unsigned int uint32_t; -typedef signed int int32_t; -typedef long long int64_t; -typedef unsigned long long int64_t; -#else -#include <stdint.h> -#endif -#endif - - -#include <setjmp.h> - -#define SANITY_CHECK 1 - -struct jdec_private; - -#define HUFFMAN_BITS_SIZE 256 -#define HUFFMAN_HASH_NBITS 9 -#define HUFFMAN_HASH_SIZE (1UL<<HUFFMAN_HASH_NBITS) -#define HUFFMAN_HASH_MASK (HUFFMAN_HASH_SIZE-1) - -#define HUFFMAN_TABLES 4 -#define COMPONENTS 3 -#define JPEG_MAX_WIDTH 4096 -#define JPEG_MAX_HEIGHT 4096 - -struct huffman_table -{ - /* Fast look up table, using HUFFMAN_HASH_NBITS bits we can have directly the symbol, - * if the symbol is <0, then we need to look into the tree table */ - short int lookup[HUFFMAN_HASH_SIZE]; - /* code size: give the number of bits of a symbol is encoded */ - unsigned char code_size[HUFFMAN_HASH_SIZE]; - /* some place to store value that is not encoded in the lookup table - * FIXME: Calculate if 256 value is enough to store all values - */ - uint16_t slowtable[16-HUFFMAN_HASH_NBITS][256]; -}; - -struct component -{ - unsigned int Hfactor; - unsigned int Vfactor; - float *Q_table; /* Pointer to the quantisation table to use */ - struct huffman_table *AC_table; - struct huffman_table *DC_table; - short int previous_DC; /* Previous DC coefficient */ - short int DCT[64]; /* DCT coef */ -#if SANITY_CHECK - unsigned int cid; -#endif -}; - - -typedef void (*decode_MCU_fct) (struct jdec_private *priv); -typedef void (*convert_colorspace_fct) (struct jdec_private *priv); - -struct jdec_private -{ - void *(*allocate_mem)(unsigned int amount); - void (*free_mem)(void *mem); - - /* Public variables */ - uint8_t *components[COMPONENTS]; - unsigned int width, height; /* Size of the image */ - unsigned int flags; - - /* Private variables */ - const unsigned char *stream_begin, *stream_end; - unsigned int stream_length; - - const unsigned char *stream; /* Pointer to the current stream */ - unsigned int reservoir, nbits_in_reservoir; - - struct component component_infos[COMPONENTS]; - float Q_tables[COMPONENTS][64]; /* quantization tables */ - struct huffman_table HTDC[HUFFMAN_TABLES]; /* DC huffman tables */ - struct huffman_table HTAC[HUFFMAN_TABLES]; /* AC huffman tables */ - int default_huffman_table_initialized; - int restart_interval; - int restarts_to_go; /* MCUs left in this restart interval */ - int last_rst_marker_seen; /* Rst marker is incremented each time */ - - /* Temp space used after the IDCT to store each components */ - uint8_t Y[64*4], Cr[64], Cb[64]; - - jmp_buf jump_state; - /* Internal Pointer use for colorspace conversion, do not modify it !!! */ - uint8_t *plane[COMPONENTS]; - - uint8_t decomp_block[16][16*3]; - -}; - -#if defined(__GNUC__) && (__GNUC__ > 3) && defined(__OPTIMIZE__) -#define __likely(x) __builtin_expect(!!(x), 1) -#define __unlikely(x) __builtin_expect(!!(x), 0) -#else -#define __likely(x) (x) -#define __unlikely(x) (x) -#endif - -#define IDCT tinyjpeg_idct_float -void tinyjpeg_idct_float (struct component *compptr, uint8_t *output_buf, int stride); - -#endif - |