diff options
Diffstat (limited to 'src/3rdparty/jasper/src/libjasper/jpg/jpg_dec.c')
| -rw-r--r-- | src/3rdparty/jasper/src/libjasper/jpg/jpg_dec.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/src/3rdparty/jasper/src/libjasper/jpg/jpg_dec.c b/src/3rdparty/jasper/src/libjasper/jpg/jpg_dec.c deleted file mode 100644 index 8d851e9..0000000 --- a/src/3rdparty/jasper/src/libjasper/jpg/jpg_dec.c +++ /dev/null @@ -1,340 +0,0 @@ -/* - * Copyright (c) 2001-2003 Michael David Adams. - * All rights reserved. - */ - -/* __START_OF_JASPER_LICENSE__ - * - * JasPer License Version 2.0 - * - * Copyright (c) 2001-2006 Michael David Adams - * Copyright (c) 1999-2000 Image Power, Inc. - * Copyright (c) 1999-2000 The University of British Columbia - * - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person (the - * "User") obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, and/or sell copies of the Software, and to permit - * persons to whom the Software is furnished to do so, subject to the - * following conditions: - * - * 1. The above copyright notices and this permission notice (which - * includes the disclaimer below) shall be included in all copies or - * substantial portions of the Software. - * - * 2. The name of a copyright holder shall not be used to endorse or - * promote products derived from the Software without specific prior - * written permission. - * - * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS - * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER - * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS - * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING - * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO - * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL - * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING - * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE - * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE - * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. - * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS - * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL - * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS - * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE - * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE - * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL - * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, - * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL - * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH - * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, - * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH - * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY - * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. - * - * __END_OF_JASPER_LICENSE__ - */ - -/******************************************************************************\ -* Includes. -\******************************************************************************/ - -#include <stdio.h> -#include <assert.h> -#include <ctype.h> - -#include "jasper/jas_tvp.h" -#include "jasper/jas_stream.h" -#include "jasper/jas_image.h" -#include "jasper/jas_string.h" - -#include "jpg_jpeglib.h" -#include "jpg_cod.h" - -/******************************************************************************\ -* Types. -\******************************************************************************/ - -/* JPEG decoder data sink type. */ - -typedef struct jpg_dest_s { - - /* Initialize output. */ - void (*start_output)(j_decompress_ptr cinfo, struct jpg_dest_s *dinfo); - - /* Output rows of decompressed data. */ - void (*put_pixel_rows)(j_decompress_ptr cinfo, struct jpg_dest_s *dinfo, - JDIMENSION rows_supplied); - - /* Cleanup output. */ - void (*finish_output)(j_decompress_ptr cinfo, struct jpg_dest_s *dinfo); - - /* Output buffer. */ - JSAMPARRAY buffer; - - /* Height of output buffer. */ - JDIMENSION buffer_height; - - /* The current row. */ - JDIMENSION row; - - /* The image used to hold the decompressed sample data. */ - jas_image_t *image; - - /* The row buffer. */ - jas_matrix_t *data; - - /* The error indicator. If this is nonzero, something has gone wrong - during decompression. */ - int error; - -} jpg_dest_t; - -/******************************************************************************\ -* Local functions. -\******************************************************************************/ - -static void jpg_start_output(j_decompress_ptr cinfo, jpg_dest_t *dinfo); -static void jpg_put_pixel_rows(j_decompress_ptr cinfo, jpg_dest_t *dinfo, - JDIMENSION rows_supplied); -static void jpg_finish_output(j_decompress_ptr cinfo, jpg_dest_t *dinfo); -static int jpg_copystreamtofile(FILE *out, jas_stream_t *in); -static jas_image_t *jpg_mkimage(j_decompress_ptr cinfo); - -/******************************************************************************\ -* Code for load operation. -\******************************************************************************/ - -/* Load an image from a stream in the JPG format. */ - -jas_image_t *jpg_decode(jas_stream_t *in, char *optstr) -{ - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - FILE *input_file; - jpg_dest_t dest_mgr_buf; - jpg_dest_t *dest_mgr = &dest_mgr_buf; - int num_scanlines; - jas_image_t *image; - - /* Avoid compiler warnings about unused parameters. */ - optstr = 0; - - image = 0; - input_file = 0; - if (!(input_file = tmpfile())) { - goto error; - } - if (jpg_copystreamtofile(input_file, in)) { - goto error; - } - rewind(input_file); - - /* Allocate and initialize a JPEG decompression object. */ - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_decompress(&cinfo); - - /* Specify the data source for decompression. */ - jpeg_stdio_src(&cinfo, input_file); - - /* Read the file header to obtain the image information. */ - jpeg_read_header(&cinfo, TRUE); - - /* Start the decompressor. */ - jpeg_start_decompress(&cinfo); - - /* Create an image object to hold the decoded data. */ - if (!(image = jpg_mkimage(&cinfo))) { - goto error; - } - - /* Initialize the data sink object. */ - dest_mgr->image = image; - dest_mgr->data = jas_matrix_create(1, cinfo.output_width); - dest_mgr->start_output = jpg_start_output; - dest_mgr->put_pixel_rows = jpg_put_pixel_rows; - dest_mgr->finish_output = jpg_finish_output; - dest_mgr->buffer = (*cinfo.mem->alloc_sarray) - ((j_common_ptr) &cinfo, JPOOL_IMAGE, - cinfo.output_width * cinfo.output_components, (JDIMENSION) 1); - dest_mgr->buffer_height = 1; - dest_mgr->error = 0; - - /* Process the compressed data. */ - (*dest_mgr->start_output)(&cinfo, dest_mgr); - while (cinfo.output_scanline < cinfo.output_height) { - num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer, - dest_mgr->buffer_height); - (*dest_mgr->put_pixel_rows)(&cinfo, dest_mgr, num_scanlines); - } - (*dest_mgr->finish_output)(&cinfo, dest_mgr); - - /* Complete the decompression process. */ - jpeg_finish_decompress(&cinfo); - - /* Destroy the JPEG decompression object. */ - jpeg_destroy_decompress(&cinfo); - - jas_matrix_destroy(dest_mgr->data); - - fclose(input_file); - - if (dest_mgr->error) { - goto error; - } - - return image; - -error: - if (image) { - jas_image_destroy(image); - } - if (input_file) { - fclose(input_file); - } - return 0; -} - -/******************************************************************************\ -* -\******************************************************************************/ - -static jas_image_t *jpg_mkimage(j_decompress_ptr cinfo) -{ - jas_image_t *image; - int cmptno; - jas_image_cmptparm_t cmptparm; - int numcmpts; - - image = 0; - numcmpts = cinfo->output_components; - if (!(image = jas_image_create0())) { - goto error; - } - for (cmptno = 0; cmptno < numcmpts; ++cmptno) { - cmptparm.tlx = 0; - cmptparm.tly = 0; - cmptparm.hstep = 1; - cmptparm.vstep = 1; - cmptparm.width = cinfo->image_width; - cmptparm.height = cinfo->image_height; - cmptparm.prec = 8; - cmptparm.sgnd = false; - if (jas_image_addcmpt(image, cmptno, &cmptparm)) { - goto error; - } - } - - if (numcmpts == 3) { - jas_image_setclrspc(image, JAS_CLRSPC_SRGB); - jas_image_setcmpttype(image, 0, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R)); - jas_image_setcmpttype(image, 1, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G)); - jas_image_setcmpttype(image, 2, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)); - } else { - jas_image_setclrspc(image, JAS_CLRSPC_SGRAY); - jas_image_setcmpttype(image, 0, - JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y)); - } - - return image; - -error: - if (image) { - jas_image_destroy(image); - } - return 0; -} - -/******************************************************************************\ -* Data source code. -\******************************************************************************/ - -static int jpg_copystreamtofile(FILE *out, jas_stream_t *in) -{ - int c; - - while ((c = jas_stream_getc(in)) != EOF) { - if (fputc(c, out) == EOF) { - return -1; - } - } - if (jas_stream_error(in)) { - return -1; - } - return 0; -} - -/******************************************************************************\ -* Data sink code. -\******************************************************************************/ - -static void jpg_start_output(j_decompress_ptr cinfo, jpg_dest_t *dinfo) -{ - /* Avoid compiler warnings about unused parameters. */ - cinfo = 0; - - dinfo->row = 0; -} - -static void jpg_put_pixel_rows(j_decompress_ptr cinfo, jpg_dest_t *dinfo, - JDIMENSION rows_supplied) -{ - JSAMPLE *bufptr; - int cmptno; - JDIMENSION x; - uint_fast32_t width; - - if (dinfo->error) { - return; - } - - assert(cinfo->output_components == jas_image_numcmpts(dinfo->image)); - - for (cmptno = 0; cmptno < cinfo->output_components; ++cmptno) { - width = jas_image_cmptwidth(dinfo->image, cmptno); - bufptr = (dinfo->buffer[0]) + cmptno; - for (x = 0; x < width; ++x) { - jas_matrix_set(dinfo->data, 0, x, GETJSAMPLE(*bufptr)); - bufptr += cinfo->output_components; - } - if (jas_image_writecmpt(dinfo->image, cmptno, 0, dinfo->row, width, 1, - dinfo->data)) { - dinfo->error = 1; - } - } - dinfo->row += rows_supplied; -} - -static void jpg_finish_output(j_decompress_ptr cinfo, jpg_dest_t *dinfo) -{ - /* Avoid compiler warnings about unused parameters. */ - cinfo = 0; - dinfo = 0; -} |